Anti-slide pile or retaining wall multi-track drill with double horizontal cantilevers and variable-angle sawteeth

Abstract

The utility model discloses an anti-slide pile or retaining wall multi-track drill with double horizontal cantilevers and variable-angle sawteeth, which comprises a horizontally arranged orthogonal track drill assembly, a vertically arranged transverse cutting track drill and a vertically arranged conical drill assembly, and the orthogonal track drill assembly, the transverse cutting track drill and the conical drill assembly are all mounted on a U-shaped steel frame; each orthogonal track drill assembly comprises two orthogonal track drills and two translation assemblies, and the translation assemblies drive the corresponding orthogonal track drills to move horizontally; the conical drill assembly comprises a conical drill U-shaped steel frame, a conical drill and a rotating assembly. The conical drill U-shaped steel frame is of a box-shaped structure with a lateral opening. The drill bit has the advantages that through the conical drill assembly and the orthogonal track drill assembly, component force block holes and horizontal cantilever holes are drilled and dug in a rock-soil body, and the bending resistance and the sliding resistance of a slide-resistant pile or a retaining wall are improved; the component force block hole with the optimal vertical component force angle with the residual gliding force is drilled according to the residual gliding force directions of different side slopes.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-sliding pile or retaining wall drilling machine equipment, in particular to a double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-crawler drill. Background Art

[0002] In slope support, roadbed construction, foundation pit excavation, and tunnel entrance and exit construction, anti-slide piles or retaining walls are the most effective measures to transfer the lateral thrust of rock and soil to the stable stratum below the sliding surface, resist lateral thrust, and control engineering and geological disasters. They are widely used in various engineering fields. When the landslide thrust acts on the anti-slide piles or retaining walls, the direction of the residual sliding force is usually not horizontal, but at a certain angle to the horizontal direction. The angle of most landslides is between 10 and 30°. According to the residual sliding force vector analysis, there are horizontal and vertical components. The commonly used anti-slide piles or retaining walls only resist the horizontal component, and the vertical component only acts on the anti-slide piles or retaining walls to transfer to the sliding bed, and has no direct effect on ordinary anti-slide piles or retaining walls. For the retaining wall with multiple rows of sawtooth force blocks at the cantilever end of the anti-sliding pile or retaining wall, the force blocks can exert the vertical force of the remaining sliding force, provide the same horizontal force to produce the opposite bending moment, and improve the bending resistance of the anti-sliding pile or retaining wall, but it is extremely difficult to make holes for the force blocks of the sawtooth anti-sliding pile or retaining wall. The traditional rectangular cross-section anti-sliding pile or retaining wall has a large cross-section and cannot fully utilize the strength of the rock and soil in front of the pile or wall. For the anti-sliding pile or retaining wall with a horizontal cantilever structure, the horizontal cantilever can fully utilize the strength of the rock and soil in front of the pile or wall to improve the anti-sliding ability of the anti-sliding pile or retaining wall, but it is extremely difficult to make holes for the horizontal cantilever of the anti-sliding pile or retaining wall with a horizontal cantilever. Traditional anti-sliding pile or retaining wall holes are usually excavated manually and mechanically. The collapse caused by the construction of manually excavated piles accounts for 65% of the total collapse accidents, and it is inefficient and costly. Mechanical excavation is safer and more efficient. Therefore, the use of mechanical drilling with horizontal cantilever and variable sawtooth angle anti-slip piles or retaining wall holes in rock and soil layers is of great significance for ensuring the safety of construction workers and improving efficiency.

[0003] At present, there are various drilling equipment and mechanical excavation methods. For example, the existing anti-slip pile drilling machinery has patent number CN103244053 A "Rectangular Drilling Machine", which mainly drives two T-shaped cutters evenly distributed at the bottom of the two steel frames to move toward each other and reciprocate through two cam bodies to cut the soil into a rectangular hole. Patent number CN 104533300 A "Rectangular Drilling Machine" sets a conical drill bit at the bottom of the rectangular transmission box and a cross-shaped long knife on the four sides. The conical drill bit drills into a circular pile hole, and then the cross-shaped long knife is rotated and cut to trim it into a rectangular pile hole. Patent number CN 105951798 A "A Rectangular Drilling Machine" mainly drives four concave waist cylinders with stirring knives to cut the soil through a motor to drill into a rectangular pile hole. Existing retaining wall slotting technologies mainly include bucket type and milling wheel type. Patent number CN 114687393A "A Continuous Wall Construction Equipment and Construction Method" uses a rotary drill and a grab bucket to circulate and drill the ground-connected wall slot. Patent No. CN 110258693A "A hydraulic grab and underground continuous wall construction equipment" realizes the switching between the hydraulic grab and the double-wheel milling machine through movable buckles and connecting parts, achieving multiple uses of one machine for drilling and digging underground continuous wall trenches. In order to realize the construction of ground-connected walls in low clearance, patent number CN 114086618A "A modular milling groove device for underground ground-connected wall construction" modularizes the functional components of the ground-connected wall groove forming equipment into milling and cutting modules, slurry extraction modules, winding and hanging modules and accessory reel modules, and connects them from front to back and lays them on the track; patent number CN 216108696 U "A truss chain milling and mixing ground-connected wall machine" and patent number CN 115897551 A "A continuous wall construction equipment and construction method based on TRD drilling rig" are both equipped with a chain with multiple milling and stirring heads evenly distributed on a truss with active and passive driving mechanisms at both ends, and the chain with milling and stirring heads is driven by the active driving mechanism to drill the ground-connected wall grooves.

[0004] In terms of mechanical hole-making methods, for example, patent No. CN 108678661 A "Square anti-slip pile hole-making method and square drill bit for hole-making" uses a circular drill bit of a rotary drilling rig to drill at least one row of circular guide holes in sequence along the length direction of the cross-section of the square anti-slip pile hole, and each row of circular guide holes is connected, and the side walls of the square anti-slip pile holes are tangent to the edges of the adjacent circular guide holes. Then, a square drill bit is used to sweep the hole so that the square drill bit cuts the remaining soil downward along the contour line of the square anti-slip pile hole, and the cycle is repeated until the design requirements are met. Patent No. CN110593753 A "Mechanical rapid hole-forming construction method for rectangular anti-sliding piles" first uses a rotary drilling auger round drill bit to drill pilot holes at the four corners until the pilot holes are drilled to the designed pile bottom elevation; then the pilot holes are trimmed in three parts using a slotting machine, and the construction is carried out in three grabs: the first time, the pilot hole position along the long side of the anti-sliding pile is grabbed until the designed hole depth; the second time, the pilot hole position along the other long side of the anti-sliding pile is grabbed until the designed hole depth; the third time, the remaining part in the middle is grabbed until the designed hole depth. If encountering complex and hard strata such as hard ginger stone soil and calcareous cementation layer, the slotting machine stops grabbing the soil, and the hard layer is crushed with a long-arm breaker. Patent No. CN 110820733 A "An improved simple rectangular anti-sliding pile mechanical rapid hole-forming construction method" mainly uses two rotary excavations of circular pile holes, the circular pile holes are connected and over-excavated over the rectangular pile hole contour, and a rectangular steel cylinder is placed in the pile hole and the over-excavated part is cast to form a rectangular pile hole. Patent No. CN 110714460A "A Mechanical Hole Construction Method for Rectangular Anti-sliding Piles with Reduced Filling Coefficient" and Patent No. CN 113605387 "A Fully Mechanical Construction Method for Rectangular Anti-sliding Piles" are mainly to form rectangular pile holes by rotary excavating circular pile holes twice or more, the circular pile holes are connected or partially overlapped and tangent to the rectangular pile hole contour, and the rectangular pile holes are formed by mechanically removing slag and repairing holes around the pile holes. The existing slotting construction method, Patent No. CN 115288115 A, uses a slotting machine to grab and excavate the rock and soil in the slotted holes to form a continuous ground wall after excavating the vertical slots at intervals. Patent No. CN 115094915 A "A method for constructing a trench for underground continuous wall in slightly weathered volcanic rock" arranges the lead holes as required in the first opening unit and the closing unit, first drills the lead holes, then mills the rocks between the lead holes to achieve trenching, and during construction, multiple construction units are alternately constructed. After one construction unit completes the drilling of the lead holes, the rock between the adjacent lead holes of the construction unit is milled, and the lead holes of another construction unit are drilled at the same time, realizing a reasonable combination of drilling and milling and cyclic alternating trenching. Patent No. CN 114658050 A "Construction method for trenching of underground continuous wall containing medium-weathered rock formations" adjusts the drilling rig drilling hole spacing to 2 m, and then uses a double-wheel milling machine for trenching construction. When milling the trench, the two drums rotate at a low speed in opposite directions, and the milling teeth mill and crush the rock formation, and the rock slag and mud excavated by the drill are discharged to the ground mud station through the sand suction port in the middle of the milling wheel, and the cycle is repeated until the final hole is trenched.Patent No. CN 114687393A "A continuous wall construction equipment and construction method thereof" uses a rotary drill and a grab bucket to drill and dig a ground continuous wall groove in a combined cycle.

[0005] Although the existing anti-slip pile or retaining wall slotting machines have solved some hole-making and slotting problems, the following problems still exist: (1) The existing drilling rigs mainly form vertical rectangular pile holes or wall slots in the rock and soil, and cannot drill force block holes and horizontal cantilever structure holes in the rock and soil; (2) The residual sliding force of different slopes has different horizontal angles, and it is impossible to drill force block holes with the optimal vertical force component angle with the residual sliding force; (3) Other machinery or auxiliary measures are required for hole repair, and the drilling construction efficiency is low and the cost is high. It is impossible to drill slots or holes in one go; (4) Anti-slip piles or retaining wall holes require auxiliary equipment to clean the debris in the pile holes or slots, and the drilling and slag removal equipment has a low integration level, and the drilling construction efficiency is low and the cost is high. Summary of the invention

[0006] The purpose of the utility model is to provide a double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill according to the deficiencies of the above-mentioned prior art, which is composed of an orthogonal track drill assembly, a cross-cutting track drill and a conical drill assembly with adjustable horizontal angle, and drills vertical pile holes / vertical wall holes in rock and soil through the orthogonal track drill assembly and the cross-cutting track drill, drills force distribution block holes in rock and soil through the conical drill assembly with adjustable horizontal angle, and drills horizontal cantilever holes on both sides of the vertical pile hole / vertical wall hole through the orthogonal track drill assembly; the force distribution block It can bring into play the vertical component of the residual sliding force, provide a bending moment in the opposite direction of the horizontal force, and drill the force block hole with the optimal angle to the vertical component of the residual sliding force according to the direction of the residual sliding force of different slopes; at the same time, the horizontal cantilever can make full use of the strength of the rock and soil in front of the anti-sliding pile or retaining wall, improve the bending and sliding resistance of the anti-sliding pile or retaining wall, reduce the anchoring length of the anti-sliding pile or retaining wall, and save construction costs; the drilling and slag discharge equipment is highly integrated, which saves construction time and construction costs, improves work efficiency, and ensures project quality and the safety of construction personnel.

[0007] The purpose of this utility model is achieved by the following technical solutions:

[0008] A double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill, comprising a horizontally arranged orthogonal track drill assembly, a vertically arranged cross-cutting track drill, and a vertically arranged conical drill assembly, wherein the orthogonal track drill assembly, the cross-cutting track drill, and the conical drill assembly are all installed on a U-shaped steel frame;

[0009] The orthogonal crawler drill assembly comprises two orthogonal crawler drills and two translation assemblies, wherein the translation assembly drives the corresponding orthogonal crawler drills to move horizontally, and the translation assembly comprises a U-shaped driving frame, a translation motor and a sliding block, wherein the translation motors of the two translation assemblies are respectively mounted on both sides of the U-shaped steel frame, and a support seat is provided in the middle between the translation motors of the two translation assemblies, wherein the support seat is fixed to the U-shaped steel frame through a supporting plate, and the translation screws of the translation motors of the two translation assemblies are respectively rotatably connected to the support seat, and the sliding block cooperates with the translation screw and is mounted on the translation screw, and the sliding block is fixed on the U-shaped driving frame, and the U-shaped driving frame is connected to the orthogonal crawler drill;

[0010] The conical drill assembly includes a conical drill U-shaped steel frame, a conical drill and a rotating assembly. The conical drill U-shaped steel frame is a box-shaped structure with a side opening. The conical drill and the rotating assembly are both installed in the conical drill U-shaped steel frame. There are multiple conical drills, a single conical drill is horizontally arranged, and multiple conical drills are arranged in a matrix; the rotating assembly includes a linkage plate and a rotating hydraulic cylinder. The linkage plate is vertically arranged and the vertical ends of the linkage plate are connected to the rotating hydraulic cylinder, the rotating hydraulic cylinder is fixed on the conical drill U-shaped steel frame, and the rotating hydraulic cylinder drives the linkage plate to rotate.

[0011] The cone drill includes a cutter head assembly, a power assembly and a horizontal hydraulic cylinder connected in sequence. The power assembly drives the cutter head assembly to rotate. One end of the horizontal hydraulic cylinder is fixed on the linkage plate, and the other end is connected to the power assembly through a telescopic rod to drive the cone drill to move horizontally.

[0012] The cutter disc assembly includes a conical cutter disc and a plurality of cutting slag feed holes arranged along the circumference of the cutter disc, and a cutting knife is installed at the edge of each cutting slag feed hole on the outer wall of the cutter disc; the power assembly includes a protective cover shell, a baffle, a base plate and a rotary cutting motor, the baffle plate and the base plate are respectively installed at both ends of the protective cover shell, a shaft hole is provided at the center of the baffle plate, the rotary cutting motor is fixed between the baffle plate and the base plate, the rotary cutting motor shaft on the rotary cutting motor passes through the shaft hole on the baffle plate and is connected to the center of the inner wall of the cutter disc, the rotary cutting motor shaft is provided with a plurality of steel supports along its circumference, and the rotary cutting motor shaft is connected to the inner wall of the cutter disc through the steel supports.

[0013] The U-shaped steel frame is composed of a left guard plate of the drilling rig, a right guard plate of the drilling rig and a front guard plate of the drilling rig, and each of the left guard plate of the drilling rig and the right guard plate of the drilling rig is provided with a drill hole allowing the orthogonal crawler drill to pass through; the conical drill U-shaped steel frame is surrounded by a lower guard plate of a conical drill, an upper guard plate of a conical drill, a left guard plate of a conical drill and a rear guard plate of a conical drill; the left guard plate of the conical drill and the front guard plate of the drilling rig are respectively provided with two slide grooves along their length directions; both sides of the conical drills in the top row and the conical drills in the bottom row are provided with sliding shafts matched with the slide grooves, and the conical drills in the top row and the conical drills in the bottom row are connected by the sliding shafts.

[0014] The U-shaped steel frame is hoisted by a lifting assembly, which includes a cable fixing frame, a lifting beam, a cable motor and a cable. The cable fixing frame is fixed to the bottom surface of the lifting beam, and the cable motor is fixed to the lifting beam via the cable motor shaft thereon. The cable motor is used to drive the cable and the U-shaped steel frame hoisted by its lower end to perform lifting movements.

[0015] The orthogonal crawler drill comprises a rotary motor assembly, a crawler assembly and a connecting plate. The rotary motor assembly consists of a rotary motor rotor and a gear ring. Two gear rings are relatively arranged on the left and right sides and the rotary motor rotor is fixed on the inner ring of the gear ring. Two connecting plates are relatively arranged on the front and back sides and the two ends of the connecting plates are respectively fixedly connected to the same end of the rotary motor fixed shaft of the two rotary motor rotors. The two ends of the U-shaped driving frame are respectively fixedly connected to the two ends of the rotary motor fixed shaft.

[0016] The track assembly includes a track and a reamer assembly. The track is annular and is provided with a plurality of teeth along the circumference of its inner ring. The teeth on the track are meshed with the teeth on the outer ring of the gear ring. The reamer assembly is evenly arranged along the circumference of the outer ring of the track. The reamer assembly includes a reamer base and a reamer obliquely mounted on the reamer base.

[0017] It also includes a slag discharge system, which includes a slag discharge main pipe, a conical drill slag discharge pipe, a vertical drill slag discharge pipe and a slag discharge main pipe. The conical drill slag discharge pipe is horizontally arranged in the conical drill and connected to the slag discharge main pipe through a telescopic pipe. The slag discharge main pipe is vertically arranged in the U-shaped steel frame of the conical drill. The top of the slag discharge main pipe is connected to the slag discharge main pipe and the bottom is connected to the vertical drill slag discharge pipe. The lower end of the vertical drill slag discharge pipe extends into the orthogonal crawler drill assembly and is arranged close to the orthogonal crawler drill. A suction head with a slag suction valve is installed on the vertical drill slag discharge pipe.

[0018] The advantages of the utility model are:

[0019] (1) Through the conical drill assembly and the orthogonal crawler drill assembly, force block holes and horizontal cantilever holes can be drilled in the rock and soil to improve the bending and sliding resistance of anti-sliding piles or retaining walls;

[0020] (2) Drilling a force block hole with an optimal vertical force component angle to the residual sliding force according to the direction of the residual sliding force of different slopes;

[0021] (3) The horizontal cantilever can make full use of the strength of the rock and soil of the anti-sliding pile or the retaining wall embedded section to resist the deformation of the anti-sliding pile or retaining wall caused by soil pressure;

[0022] (4) The horizontal cantilever can eliminate the soil pressure inside the anti-sliding pile or retaining wall, which causes the anti-sliding pile or retaining wall to bulge at the contact point with the embedded section;

[0023] (5) Reduce the anchorage length of anti-slide piles or retaining walls to save construction costs;

[0024] (6) Vertical piles or walls, force blocks and horizontal cantilevers in the rock and soil can be bored at one time;

[0025] (7) The drilling and slag removal equipment is highly integrated, achieving the goal of improving construction efficiency and saving construction and equipment costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the multi-track drill of the utility model (I);

[0027] Figure 2 It is a schematic diagram of the multi-track drill of the utility model (II);

[0028] Figure 3 It is a schematic diagram of the multi-track drill of the utility model (III);

[0029] Figure 4 for Figure 1 Cross-section of the middle AA;

[0030] Figure 5 for Figure 1 Cross-section of the middle BB;

[0031] Figure 6 for Figure 1 Cross-section of the middle CC;

[0032] Figure 7 for Figure 1 Cross-section of the middle DD;

[0033] Figure 8 for Figure 1 Cross-section of EE;

[0034] Fig. 9 This is a construction flow chart of the retaining wall hole of the utility model;

[0035] Fig.10 for Fig. 9 Cross-section of the middle FF;

[0036] Fig.11 This is a force relationship diagram of the retaining wall of the utility model;

[0037] Fig.12 for Fig.11 Enlarged view of middle g;

[0038] Fig.13 It is a three-dimensional schematic diagram of the force dividing block of the utility model;

[0039] like Figures 1 to 13 As shown, the marks in the figure represent respectively:

[0040] 1. Orthogonal crawler drill assembly, 2. Cross-cut crawler drill, 3. Conical drill assembly, 4. U-shaped steel frame, 5. Lifting assembly;

[0041] 11. Orthogonal crawler drill, 12. Translation assembly;

[0042] 111. Rotating motor assembly, 112. Track assembly, 113. Connecting plate;

[0043] 1111. Rotating motor rotor, 1112. Rotating motor fixed shaft, 1113. Gear ring, 1114. Teeth;

[0044] 1121. crawler, 1122. reamer assembly, 11221. reamer base, 11222. reamer;

[0045] 121. U-shaped driving frame, 122. shaft hole, 123. translation screw, 124. translation motor, 125. sliding block, 126. support seat, 127. support plate;

[0046] 31. Cone drill, 32. Cone drill U-shaped steel frame, 33. Slag removal system;

[0047] 311. Cutter head assembly, 312. Power assembly, 313. Horizontal hydraulic cylinder, 314. Rotation assembly;

[0048] 3111. Cutter head, 3112. Cutting slag hole, 3113. Cutting knife, 3114. Steel support;

[0049] 3121. protective cover, 3122. baffle, 3123. conical drill slag suction pipe hole, 3124. shaft hole, 3125. bottom plate, 3126. conical drill slag discharge pipe hole, 3127. rotary cutting motor, 3128. rotary cutting motor shaft;

[0050] 3141. Sliding shaft, 3142. Linkage plate, 3143. Rotating hydraulic cylinder;

[0051] 321. Conical drill for lower guard plate, 322. Conical drill for upper guard plate, 323. Conical drill for left guard plate, 324. Conical drill for rear guard plate, 325. Vertical drill for slag discharge pipe hole, 326. Slag discharge main pipe hole, 327. Chute;

[0052] 331. Slag discharge main pipe, 332. Conical drill slag discharge pipe, 333. Telescopic pipe, 334. Vertical drill slag discharge pipe, 335. Suction head, 336. Slag suction valve, 337. Slag discharge main pipe;

[0053] 41. Drilling rig left guard plate, 42. Drilling rig right guard plate, 43. Drilling rig front guard plate, 44. Drilling mouth;

[0054] 51. Cable fixing frame, 52. Lifting beam, 53. Cable motor, 54. Cable motor shaft, 55. Cable;

[0055] a. Multi-track drill, b. Geotechnical slope, b1. Landslide body, b2. Sliding bed, b3. Sliding surface, c1. Vertical drilling, c2. Horizontal drilling, c3. Conical hole, c4. Vertical wall hole, c5. Horizontal cantilever hole, c6. Force component hole, d. Force component, e. Vertical wall, h. Horizontal cantilever;

[0056] T. Sliding force, M T .Moment of sliding force, T v .Vertical component of sliding force, T h .Horizontal component of sliding force, M Tv .Moment of the vertical component of the sliding force, F.Vertical reaction force, M F .Moment of vertical reaction force, G.Gravity, M G .The torque of gravity. DETAILED DESCRIPTION

[0057] The following is a further detailed description of the features of the present invention and other related features through embodiments in conjunction with the accompanying drawings to facilitate understanding by technicians in the same industry:

[0058] Example: Figures 1 to 13As shown, the present embodiment relates to a double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill, which mainly includes a U-shaped steel frame 4, a lifting assembly 5, an orthogonal crawler drill assembly 1, a cross-cutting crawler drill 2, a conical drill assembly 3 and a slag removal system 33. The lifting assembly 5 is used to lift the U-shaped steel frame 4, the orthogonal crawler drill assembly 1, the cross-cutting crawler drill 2 and the conical drill assembly 3 are all installed on the U-shaped steel frame 4, and the orthogonal crawler drill assembly 1 is horizontally arranged, the cross-cutting crawler drill 2 and the conical drill assembly 3 are both vertically arranged, the bottom of the orthogonal crawler drill assembly 1 and the bottom and side of the cross-cutting crawler drill 2 are all exposed outside the bottom of the U-shaped steel frame 4, and the orthogonal crawler drill assembly 1 is horizontally arranged, and the cross-cutting crawler drill 2 and the conical drill assembly 3 are both vertically arranged. The crawler drill assembly 1 and the cross-cutting crawler drill 2 have the same bottom surface, and are used to drill vertical pile holes or vertical wall holes in the rock and soil to form vertical piles or vertical walls; the orthogonal crawler drill assembly 1 can move horizontally, that is, the horizontal direction of the orthogonal crawler drill assembly 1 can move outside the U-shaped steel frame 4, and is used to drill horizontal cantilever holes in the rock and soil to form horizontal cantilevers; the conical drill assembly 3 is used to drill force block holes to form force blocks, and the horizontal angle of the conical drill assembly 3 is adjustable, and the horizontal angle of the conical drill assembly 3 here refers to the horizontal angle between the conical drill 31 of the conical drill assembly 3 and the conical drill U-shaped steel frame 32 of the conical drill assembly 3. The slag removal system 33 is used to remove soil slag generated when drilling the rock and soil.

[0059] like Figures 1 to 8 As shown, the U-shaped steel frame 4 is composed of a left drill guard plate 41, a right drill guard plate 42 and a front drill guard plate 43, and each of the left drill guard plate 41 and the right drill guard plate 42 is provided with a drill hole 44 for allowing the orthogonal crawler drill assembly 1 (orthogonal crawler drill 11) to pass through. The lifting assembly 5 includes a cable fixing frame 51, a hanging beam 52, a cable motor 53 and a cable 55. The cable fixing frame 51 is fixed to the bottom surface of the hanging beam 52, and the cable motor 53 is fixed to the hanging beam 52 via the cable motor shaft 54 ​​thereon. The cable motor 53 is used to drive the cable 55 and the U-shaped steel frame 4 hoisted at its lower end to perform lifting and lowering movements to ensure the normal operation of the orthogonal crawler drill assembly 1, the cross-cutting crawler drill 2 and the conical drill assembly 3. Among them, the cable 55 is respectively connected to the left drill guard plate 41 and the right drill guard plate 42 of the U-shaped steel frame 4.

[0060] like Figures 1 to 8As shown, the orthogonal crawler drill assembly 1 includes two orthogonal crawler drills 11 and two translation assemblies 12. The translation assembly 12 drives the corresponding orthogonal crawler drill 11 to move horizontally, that is, the translation assembly 12 drives the corresponding orthogonal crawler drill 11 to pass through the corresponding drill opening 44 and move to the outside of the U-shaped steel frame 4 to drill horizontal cantilever holes in the rock and soil. The orthogonal crawler drill 11 includes a rotating motor assembly 111, a crawler assembly 112 and a connecting plate 113. The rotating motor assembly 111 is composed of a rotating motor rotor 1111 and a gear ring 1113. Two gear rings 1113 are relatively arranged on the left and right, and the rotating motor rotor 1111 is fixed on the inner ring of the gear ring 1113. Two connecting plates 113 are relatively arranged on the front and back, and the two ends of the connecting plates 113 are respectively fixedly connected to the same end of the rotating motor fixed shaft 1112 of the two rotating motor rotors 1111. The connecting plate 113 is provided with an axial hole 122 corresponding to the rotating motor fixed shaft 1112, and the gear ring 1113 is provided with a plurality of teeth 1114 along the circumference of its outer ring. The crawler assembly 112 includes a crawler 1121 and a reamer assembly 1122. The crawler 1121 is annular and is provided with a plurality of teeth 114 along the circumference of its inner ring. The teeth 114 on the crawler 1121 mesh with the teeth 114 on the outer ring of the gear ring 1113. The reamer assembly 1122 is evenly arranged along the circumference of the outer ring of the crawler 1121. The reamer assembly 1122 includes a reamer base 11221 and a reamer 11222 obliquely mounted on the reamer base 11221. The rotating motor rotor 1111 drives the gear ring 1113 to rotate, so as to drive the crawler 1121 to rotate, thereby driving the reamer 11222 of the reamer assembly 1122 to reamer the rock and soil. The inclined arrangement of the reamer 11222 is more conducive to reamer excavation of the rock and soil.

[0061] The translation assembly 12 includes a U-shaped driving frame 121, a translation motor 124 and a sliding block 125. The translation motors 124 of the two translation assemblies 12 are respectively installed on both sides of the U-shaped steel frame 4 (the left guard plate 41 of the drilling rig and the right guard plate 42 of the drilling rig). A support seat 126 is provided in the middle between the translation motors 124 of the two translation assemblies 12. The support seat 126 is fixed to the U-shaped steel frame 4 (the front guard plate 43 of the drilling rig) through a support plate 127. The translation screw rods 123 of the translation motors 124 of the two translation assemblies 12 are respectively rotatably connected to the support seat 126. The sliding block 125 cooperates with the translation screw rod 123 and is installed on the translation screw rod 123. The sliding block 125 is fixed to the middle part of the U-shaped driving frame 121. The two ends of the U-shaped driving frame 121 are respectively fixedly connected to the two ends of a rotating motor fixed shaft 1112. Both ends of the U-shaped driving frame 121 are provided with shaft holes 122 corresponding to the rotating motor fixed shaft 1112. The translation motor 124 drives the translation screw 123 to rotate, so as to drive the sliding block 125 to move along the length direction of the translation screw 123 , thereby realizing the horizontal movement of the orthogonal crawler drill 11 .

[0062] In this embodiment, except that the cross-cutting crawler drill 2 is vertically arranged, and the two ends of the fixed shaft 1112 of the rotating motor of the cross-cutting crawler drill 2 are respectively fixedly connected to the left guard plate 41 and the right guard plate 42 of the drilling rig of the U-shaped steel frame 4 (the connecting plate 113 is not provided), the remaining structures of the cross-cutting crawler drill 2 are the same as those of the orthogonal crawler drill 11, so they are not repeated here.

[0063] like Figures 1 to 8As shown, the conical drill assembly 3 includes a conical drill U-shaped steel frame 32, a conical drill 31 and a rotating assembly 314. The conical drill U-shaped steel frame 32 is a box-shaped structure with a side opening. The conical drill 31 and the rotating assembly 314 are both installed in the conical drill U-shaped steel frame 32. A plurality of conical drills 31 are provided. A single conical drill 31 is horizontally arranged and a plurality of conical drills 31 are arranged in a matrix. The conical drill U-shaped steel frame 32 is surrounded by a conical drill lower guard plate 321, a conical drill upper guard plate 322, a conical drill left guard plate 323 and a conical drill rear guard plate 324. The cone drill 31 includes a cutter head assembly 311, a power assembly 312 and a horizontal hydraulic cylinder 313 which are connected in sequence. The power assembly 312 drives the cutter head assembly 311 to rotate. One end of the horizontal hydraulic cylinder 313 is fixed to the rotating assembly 314 (linkage plate 3142), and the other end is connected to the power assembly 312 (bottom plate 3125) through a telescopic rod to drive the cone drill 31 to move horizontally, that is, the horizontal hydraulic cylinder 313 drives the cone drill 31 in the cone drill U-shaped steel frame 32 to move outside the cone drill U-shaped steel frame 32 or to make the cone drill 31 outside the cone drill U-shaped steel frame 32 retract into the cone drill U-shaped steel frame 32. The rotating assembly 314 includes a linkage plate 3142 and a rotating hydraulic cylinder 3143. The linkage plate 3142 is vertically arranged and both vertical ends of the linkage plate 3142 are connected to the rotating hydraulic cylinder 3143. The rotating hydraulic cylinder 3143 is fixed on the U-shaped steel frame 32 of the cone drill (the lower guard plate 321 of the cone drill and the upper guard plate 322 of the cone drill). In this embodiment, each of the vertical ends of the linkage plate 3142 is respectively connected to two rotating hydraulic cylinders 3143. The rotating hydraulic cylinder 3143 drives the linkage plate 3142 to rotate, so as to drive the cone drill 31 to rotate horizontally (not self-rotate). In addition, the left guard plate 323 of the cone drill and the front guard plate 43 of the drilling rig are respectively provided with two slide grooves 327 along their length direction. Correspondingly, both sides of the cone drills 31 in the top row and the cone drills 31 in the bottom row are provided with sliding shafts 3141 that match the slide grooves 327. The two sides of the cone drills 31 in the top row (the cone drills 31 in the bottom row) here refer to the two cone drills 31 at the ends of the cone drills 31 in the top row (the cone drills 31 in the bottom row). When the rotating assembly 314 drives the cone drills 31 to rotate, the sliding shaft 3141 rotates in the slide groove 327 (will not be separated from the slide groove 327), which can limit the cone drills 31, and can play a guiding role when the horizontal hydraulic cylinder 313 drives the cone drills 31 to move horizontally. The cone drills 31 in the top row and the cone drills 31 in the bottom row are connected by the sliding shaft 3141 to enhance the integrity. In this embodiment, the sliding shaft 3141 is disposed on the baffle 3122 of the power assembly 312 .

[0064] The cutterhead assembly 311 includes a cutterhead 3111, a cutting slag feed hole 3112 and a cutting knife 3113. The cutterhead 3111 is conical, and a plurality of cutting slag feed holes 3112 are arranged along the circumference of the cutterhead 3111. The cutting slag feed holes 3112 extend from the side of the cutterhead 3111 to the middle of the cutterhead 3111, and the inner diameter gradually decreases. A cutting knife 3113 is installed at the edge of each cutting slag feed hole 3112 on the outer wall of the cutterhead 3111, and the cutting knife 3113 is also arranged along the circumference of the cutterhead 3111, and the extending direction of the cutting knife 3113 is also the same as the extending direction of the cutting slag feed hole 3112, that is, the extending direction of the cutting knife 3113 is from the side of the cutterhead 3111 to the middle of the cutterhead 3111. The cutting knife 3113 is used for cutting rock and soil, and the cut rock and soil can enter the inside of the cutterhead 3111 through the cutting slag feed hole 3112.

[0065] The power assembly 312 includes a protective cover 3121, a baffle 3122, a base plate 3125 and a rotary cutting motor 3127. The protective cover 3121 is cylindrical, and the baffle 3122 and the base plate 3125 are both circular. The baffle 3122 and the base plate 3125 are respectively installed at both ends of the protective cover 3121. A shaft hole 3124 is opened at the center of the baffle 3122. The rotary cutting motor 3127 is fixed between the baffle 3122 and the base plate 3125. The rotary cutting motor shaft 3128 on the rotary cutting motor 3127 passes through the shaft hole 3124 on the baffle 3122 and is connected to the center of the inner wall of the cutter disc 3111. The rotary cutting motor 3127 drives the rotary cutting motor shaft 3128 thereon to rotate, so as to drive the cutter disc 3111 to rotate, thereby realizing the cutting of rock and soil by the cutting knife 3113. The cutter disc 3111 is rotatably connected to the baffle plate 3122 to prevent rock and soil from entering through the gap between the cutter disc 3111 and the baffle plate 3122. The rotary cutting motor shaft 3128 is provided with a plurality of steel supports 3114 along its circumference. The rotary cutting motor shaft 3128 is connected to the inner wall of the cutter disc 3111 through the steel supports 3114 to play a role in connection reinforcement, and each steel support 3114 is located between two adjacent cutting slag holes 3112 of the cutter disc 3111, which will not hinder rock and soil from entering the cutter disc 3111. The cutter disc 3111 is driven to rotate by the rotary cutting motor 3127 to drive the cutting blade 3113 on the cutter disc 3111 to cut rock and soil, and the horizontal hydraulic cylinder 313 is used to drive the cone drill 31 to move horizontally to drill the force distribution block hole.

[0066] like Figures 1 to 8As shown, the slag discharge system 33 includes a slag discharge main pipe 331, a cone drill slag discharge pipe 332, a vertical drill slag discharge pipe 334 and a slag discharge main pipe 337. A cone drill slag suction pipe hole 3123 is opened on the side of the baffle 3122, and a cone drill slag discharge pipe hole 3126 is opened on the side of the bottom plate 3125. The position and size of the cone drill slag suction pipe hole 3123 correspond to the position and size of the cone drill slag discharge pipe hole 3126 respectively. A cone drill slag discharge pipe 332 is arranged between the cone drill slag suction pipe hole 3123 and the cone drill slag discharge pipe hole 3126. A slag suction valve 336 is arranged on the cone drill slag discharge pipe 332. The cone drill slag discharge pipe 332 is connected to the slag discharge main pipe 331 through a telescopic pipe 333. The setting of the telescopic pipe 333 can adapt to the horizontal movement of the cone drill 31. The slag discharge main pipe 331 is vertically arranged in the U-shaped steel frame 32 of the cone drill. The top of the slag discharge main pipe 331 is connected to the slag discharge main pipe 337 and the bottom is connected to the vertical drill slag discharge pipe 334. The top and bottom of the slag discharge main pipe 331 are in the form of telescopic pipes 333 to adapt to the rotation of the cone drill 31, and the slag discharge main pipe 337 is connected to the slag suction device. The cone drill lower guard plate 321 and the cone drill upper guard plate 322 are respectively provided with vertical drill slag discharge pipe holes 325 and slag discharge main pipe holes 326. The bottom end of the slag discharge main pipe 331 is installed in the vertical drill slag discharge pipe hole 325, and the slag discharge main pipe 337 is installed in the slag discharge main pipe hole 326. The lower end of the vertical drill slag discharge pipe 334 extends into the orthogonal crawler drill assembly 1 and is arranged close to the orthogonal crawler drill 11. The vertical drill slag discharge pipe 334 is installed with a suction head 335 with a slag suction valve 336. In this embodiment, the rotary cutting motor 3127 drives the cutting knife 3113 on the cutter disc 3111 to cut the rock and soil, and opens the slag suction valve 336 on the conical drill slag discharge pipe 332. The cut rock and soil enter the cutter disc 3111 through the cutting slag inlet hole 3112, and then pass through the conical drill slag discharge pipe 332, the telescopic pipe 333, the slag discharge main pipe 331 and the slag discharge main pipe 337 in sequence, and are finally discharged through the slag suction device; the rotating motor rotor 1111 drives the reamer 11222 on the crawler 1121 to excavate the rock and soil, and opens the slag suction valve 336 on the suction head 335. The excavated rock and soil pass through the suction head 335, the vertical drill slag discharge pipe 334, the slag discharge main pipe 331 and the slag discharge main pipe 337, and are finally discharged through the slag suction device.

[0067] like Figures 1 to 10As shown, in this embodiment, a multi-track drill a is used to drill a retaining wall hole in a rock slope b, wherein the rock slope b includes a landslide body b1 and a slide bed b2, a sliding surface b3 is provided between the landslide body b1 and the slide bed b2, a vertical wall hole c4 of the retaining wall hole is located in the landslide body b1 and the slide bed b2, and the vertical wall hole c4 is obtained by vertical drilling c1, and the vertical drilling c1 is composed of a free section and an embedded section, the free section is located in the landslide body b1, and the embedded section is located in the slide bed b2. The force component hole c6 of the retaining wall hole is located in the landslide body b1, and the force component hole c6 is obtained by a conical hole c3, that is, the conical hole c3 is first drilled, and then the force component hole c6 is obtained by performing horizontal rotation drilling. The horizontal cantilever hole c5 of the retaining wall hole is located in the slide bed b2, and the horizontal cantilever hole c5 is obtained by horizontal drilling c2. The steps of the construction method of the retaining wall hole are as follows:

[0068] The telescopic rod of the horizontal hydraulic cylinder 313 of the conical drill 31 is placed in a standby state with the minimum stroke, and the horizontal directions of the two orthogonal crawler drills 11 are both located within the U-shaped steel frame 4. The orthogonal crawler drill 11 and the cross-cutting crawler drill 2 are controlled to drill the vertical bore hole c1 downward until the designed depth of the vertical bore hole c1 is reached, and the cross-cutting crawler drill 2 is used to drill the vertical bore hole c1 horizontally to form a vertical wall hole c4. Lift the multi-track drill a upward to move the conical drill assembly 3 to the designed depth of the force component hole c6, adjust the horizontal angle between the conical drill 31 and the conical drill U-shaped steel frame 32 by rotating the assembly 314, and use the rotary cutting motor 3127 and the horizontal hydraulic cylinder 313 to control the conical drill 31 to drill the conical hole c3 outward. At this time, the conical drill 31 does not retreat into the conical drill U-shaped steel frame 32, and moves the multi-track drill a along the length direction of the vertical wall hole c4, and drills the conical hole c3 through the conical drill 31 to form the force component hole c6. The translation motor 124 of the translation assembly 12 is used to control the two orthogonal crawler drills 11 to drill the horizontal bore holes c2 outward. After the drilling of this group of horizontal bore holes c2 is completed, the translation motor 124 of the translation assembly 12 drives the two orthogonal crawler drills 11 to retreat into the U-shaped steel frame 3, and then moves the multi-crawler drill a along the length of the vertical wall hole c4 to drill the next group of horizontal bore holes c2, and repeats this cycle until the excavation of the horizontal cantilever hole c4 is completed.

[0069] like Figures 11 to 13 As shown, the retaining wall includes a vertical wall e, a horizontal cantilever h and a force component d (a plurality of force component blocks d form a sawtooth structure), the horizontal cantilever h is respectively arranged on both sides of the vertical wall e, wherein the horizontal cantilever h not located on the same side of the vertical wall e as the force component d is the first horizontal cantilever, and the horizontal cantilever h located on the same side of the vertical wall e as the force component d is the second horizontal cantilever. The sliding force T of the rock slope b acts on the retaining wall, and the sliding force T is decomposed into the vertical component force T of the sliding force v and the horizontal component of the sliding force T h , the moment of the sliding force T is M T, the vertical wall e is used to block the horizontal component of the sliding force T h , the force block d is used to convert the vertical component of the sliding force T v Converted into torque M Tv , and the moment M Tv With torque M T On the contrary, the bending resistance of the retaining wall is improved; by utilizing the strength of the rock and soil under the first horizontal cantilever, the first horizontal cantilever and the rock and soil of the embedded section generate an upward vertical reaction force F, and the moment M of the vertical reaction force F F Moment M with sliding force T T On the contrary, the deformation capacity of the retaining wall is further improved; the rock and soil on the second horizontal cantilever exerts gravity G on the second horizontal cantilever, and the moment M of gravity G G Moment M with sliding force T T The same is used to improve the pull-out resistance of the retaining wall.

[0070] The beneficial technical effects of this embodiment are:

[0071] (1) Through the conical drill assembly and the orthogonal crawler drill assembly, force block holes and horizontal cantilever holes can be drilled in the rock and soil to improve the bending and sliding resistance of anti-sliding piles or retaining walls;

[0072] (2) According to the direction of the residual sliding force of different slopes, the force component hole with the optimal vertical force component angle with the residual sliding force is drilled;

[0073] (3) The horizontal cantilever can make full use of the strength of the rock and soil of the anti-sliding pile or the retaining wall embedded section to resist the deformation of the anti-sliding pile or retaining wall caused by soil pressure;

[0074] (4) The horizontal cantilever can eliminate the soil pressure inside the anti-sliding pile or retaining wall, which causes the anti-sliding pile or retaining wall to bulge at the contact point with the embedded section;

[0075] (5) Reduce the anchorage length of anti-slide piles or retaining walls to save construction costs;

[0076] (6) Vertical piles or walls, force blocks and horizontal cantilevers in the rock and soil can be bored at one time;

[0077] (7) The drilling and slag removal equipment is highly integrated, achieving the goal of improving construction efficiency and saving construction and equipment costs.

[0078] Although the above embodiments have described the concepts and embodiments of the purpose of the utility model in detail with reference to the accompanying drawings, ordinary technicians in this field can recognize that various improvements and modifications can still be made to the utility model without departing from the scope of the claims, so they are not described one by one here.

Claims

1. A double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill, characterized in that: It comprises a horizontally arranged orthogonal crawler drill assembly, a vertically arranged cross-cutting crawler drill assembly and a vertically arranged conical drill assembly, wherein the orthogonal crawler drill assembly, the cross-cutting crawler drill assembly and the conical drill assembly are all installed on a U-shaped steel frame; The orthogonal crawler drill assembly comprises two orthogonal crawler drills and two translation assemblies, wherein the translation assembly drives the corresponding orthogonal crawler drills to move horizontally, and the translation assembly comprises a U-shaped driving frame, a translation motor and a sliding block, wherein the translation motors of the two translation assemblies are respectively mounted on both sides of the U-shaped steel frame, and a support seat is provided in the middle between the translation motors of the two translation assemblies, wherein the support seat is fixed to the U-shaped steel frame through a supporting plate, and the translation screws of the translation motors of the two translation assemblies are respectively rotatably connected to the support seat, and the sliding block cooperates with the translation screw and is mounted on the translation screw, and the sliding block is fixed on the U-shaped driving frame, and the U-shaped driving frame is connected to the orthogonal crawler drill; The conical drill assembly includes a conical drill U-shaped steel frame, a conical drill and a rotating assembly. The conical drill U-shaped steel frame is a box-shaped structure with a side opening. The conical drill and the rotating assembly are both installed in the conical drill U-shaped steel frame. There are multiple conical drills, a single conical drill is horizontally arranged, and multiple conical drills are arranged in a matrix; the rotating assembly includes a linkage plate and a rotating hydraulic cylinder, the linkage plate is vertically arranged, and the vertical ends of the linkage plate are both connected to the rotating hydraulic cylinder, the rotating hydraulic cylinder is fixed on the conical drill U-shaped steel frame, and the rotating hydraulic cylinder drives the linkage plate to rotate.

2. A double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill according to claim 1, characterized in that: The cone drill comprises a cutter head assembly, a power assembly and a horizontal hydraulic cylinder connected in sequence. The power assembly drives the cutter head assembly to rotate. One end of the horizontal hydraulic cylinder is fixed on the linkage plate, and the other end is connected to the power assembly through a telescopic rod to drive the cone drill to move horizontally.

3. A double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill according to claim 2, characterized in that: The cutter disc assembly includes a conical cutter disc and a plurality of cutting slag feed holes arranged along the circumference of the cutter disc, and a cutting knife is installed at the edge of each cutting slag feed hole on the outer wall of the cutter disc; the power assembly includes a protective cover shell, a baffle, a base plate and a rotary cutting motor, the baffle plate and the base plate are respectively installed at both ends of the protective cover shell, a shaft hole is provided at the center of the baffle plate, the rotary cutting motor is fixed between the baffle plate and the base plate, the rotary cutting motor shaft on the rotary cutting motor passes through the shaft hole on the baffle plate and is connected to the center of the inner wall of the cutter disc, the rotary cutting motor shaft is provided with a plurality of steel supports along its circumference, and the rotary cutting motor shaft is connected to the inner wall of the cutter disc through the steel supports.

4. A double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill according to claim 1, characterized in that: The U-shaped steel frame is composed of a left guard plate of the drilling rig, a right guard plate of the drilling rig and a front guard plate of the drilling rig, and each of the left guard plate of the drilling rig and the right guard plate of the drilling rig is provided with a drill hole allowing the orthogonal crawler drill to pass through; the conical drill U-shaped steel frame is surrounded by a lower guard plate of a conical drill, an upper guard plate of a conical drill, a left guard plate of a conical drill and a rear guard plate of a conical drill; the left guard plate of the conical drill and the front guard plate of the drilling rig are respectively provided with two slide grooves along their length directions; both sides of the conical drills in the top row and the conical drills in the bottom row are provided with sliding shafts matched with the slide grooves, and the conical drills in the top row and the conical drills in the bottom row are connected by the sliding shafts.

5. A double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill according to claim 1, characterized in that: The U-shaped steel frame is hoisted by a lifting assembly, which includes a cable fixing frame, a lifting beam, a cable motor and a cable. The cable fixing frame is fixed to the bottom surface of the lifting beam, and the cable motor is fixed to the lifting beam via the cable motor shaft thereon. The cable motor is used to drive the cable and the U-shaped steel frame hoisted by its lower end to perform lifting movements.

6. A double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill according to claim 1, characterized in that: The orthogonal crawler drill comprises a rotary motor assembly, a crawler assembly and a connecting plate. The rotary motor assembly consists of a rotary motor rotor and a gear ring. Two gear rings are relatively arranged on the left and right sides and the rotary motor rotor is fixed on the inner ring of the gear ring. Two connecting plates are relatively arranged on the front and back sides and the two ends of the connecting plates are respectively fixedly connected to the same end of the rotary motor fixed shaft of the two rotary motor rotors. The two ends of the U-shaped driving frame are respectively fixedly connected to the two ends of the rotary motor fixed shaft.

7. A double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill according to claim 6, characterized in that: The track assembly includes a track and a reamer assembly. The track is annular and is provided with a plurality of teeth along the circumference of its inner ring. The teeth on the track are meshed with the teeth on the outer ring of the gear ring. The reamer assembly is evenly arranged along the circumference of the outer ring of the track. The reamer assembly includes a reamer base and a reamer obliquely mounted on the reamer base.

8. A double-horizontal cantilever and variable-angle sawtooth anti-sliding pile or retaining wall multi-track drill according to claim 1, characterized in that: It also includes a slag discharge system, which includes a slag discharge main pipe, a conical drill slag discharge pipe, a vertical drill slag discharge pipe and a slag discharge main pipe. The conical drill slag discharge pipe is horizontally arranged in the conical drill and connected to the slag discharge main pipe through a telescopic pipe. The slag discharge main pipe is vertically arranged in the U-shaped steel frame of the conical drill. The top of the slag discharge main pipe is connected to the slag discharge main pipe and the bottom is connected to the vertical drill slag discharge pipe. The lower end of the vertical drill slag discharge pipe extends into the orthogonal crawler drill assembly and is arranged close to the orthogonal crawler drill. A suction head with a slag suction valve is installed on the vertical drill slag discharge pipe.

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