Anti-slide pile or retaining wall pore-forming double-track drill with rotary horizontal cantilever and sawteeth

Abstract

The utility model discloses an anti-slide pile or retaining wall pore-forming double-track drill with a rotary horizontal cantilever and sawteeth. The anti-slide pile or retaining wall pore-forming double-track drill comprises a horizontally-arranged rotary orthogonal track drill assembly, a vertically-arranged transverse cutting track drill and a vertically-arranged conical drill assembly. The rotary orthogonal track drill assembly comprises a rotary orthogonal track drill and a translation assembly, and the translation assembly drives the rotary orthogonal track drill to horizontally move and rotate; the conical drill assembly comprises a conical drill U-shaped steel frame and a plurality of conical drills, wherein the conical drill U-shaped steel frame is of a box-shaped structure with a lateral opening, and the conical drills are installed in the conical drill U-shaped steel frame. Each conical drill is horizontally arranged, and the multiple conical drills are arranged in a matrix mode. The drill bit has the advantages that component force block holes and horizontal cantilever holes are drilled and dug in a rock-soil body through the conical drill assembly and the rotary orthogonal track drill assembly, and the bending resistance and the sliding resistance of a slide-resistant pile or a retaining wall are improved; the horizontal cantilevers can fully utilize the strength of rock-soil bodies of built-in sections of the slide-resistant piles or the retaining walls to resist deformation of the slide-resistant piles or the retaining walls caused by soil pressure.

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 an anti-sliding pile or retaining wall hole-forming double-crawler drill with a rotating horizontal cantilever and saw teeth. Background Art

[0002] In slope support, roadbed construction and other projects, anti-slide piles / 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 retaining walls with multiple rows of sawtooth force blocks at the cantilever end of the anti-slide piles or retaining walls, the force blocks can exert the vertical component of the residual sliding force, provide a bending moment in the opposite direction of the horizontal force, and improve the bending resistance of the anti-slide piles or retaining walls. However, it is extremely difficult to drill holes for the force blocks of sawtooth anti-sliding piles or retaining walls. The cross-section of traditional anti-sliding piles or retaining walls is large, and the strength of the rock and soil in front of the anti-sliding piles or retaining walls cannot be fully utilized. For anti-sliding piles or retaining walls with horizontal cantilever structures, the horizontal cantilever can fully utilize the strength of the rock and soil in front of the anti-sliding piles or retaining walls, and improve the anti-sliding ability of the anti-sliding piles or retaining walls. However, it is extremely difficult to drill holes for the horizontal cantilever of anti-sliding piles or retaining walls with horizontal cantilever structures. Traditional anti-sliding pile or retaining wall holes are usually excavated manually and mechanically. Collapses caused by manual bored pile construction account for 65% of the total collapse accidents, and are inefficient and costly. Mechanical excavation is safer and more efficient. Therefore, the use of mechanical drilling and digging of sawtooth anti-sliding piles or retaining wall holes in the rock and soil layer is of great significance to ensure the safety of construction workers and improve 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 wall in low clearance, patent number CN 114086618A "A modular milling slot device for underground ground-connected wall construction" modularizes the functional components of the ground-connected wall slotting equipment into milling and cutting modules, slurry extraction modules, coiling 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 stirring 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 heads evenly distributed on the truss with active and passive drive mechanisms at both ends, and the chain with milling heads is driven by the active drive mechanism to drill the ground-connected wall slot. Although the existing anti-slip pile or retaining wall slotting machine has solved some hole and slotting problems. However, the following problems still exist: (1) Existing drilling rigs mainly form vertical rectangular pile holes or wall grooves in the rock and soil, and are unable to drill force block holes and horizontal cantilever structure holes in the rock and soil; (2) Other mechanical or auxiliary measures are required to repair the holes, resulting in low drilling efficiency and high cost, and it is impossible to drill a groove or hole in one go; (3) Anti-slip piles or retaining wall holes require auxiliary equipment to clean the debris in the pile holes or grooves, the drilling and slag removal equipment has a low integration level, and the drilling efficiency is low and the cost is high. Summary of the invention

[0004] The purpose of the utility model is to provide a double crawler drill for anti-slip piles or retaining wall holes with a rotating horizontal cantilever and saw teeth in accordance with the deficiencies of the above-mentioned prior art, which is composed of a rotating orthogonal crawler drill assembly, a cross-cutting crawler drill and a conical drill assembly. Vertical pile holes / vertical wall holes are drilled in the rock and soil by rotating the orthogonal crawler drill assembly and the cross-cutting crawler drill, horizontal cantilever holes are drilled in the rock and soil by rotating the orthogonal crawler drill assembly, and force component block holes are drilled in the rock and soil by the conical drill assembly. The force component blocks can exert the vertical component of the remaining sliding force and provide a bending moment in the opposite direction to the horizontal force. At the same time, the horizontal cantilever can make full use of the strength of the rock and soil in front of the anti-slip pile or retaining wall, thereby improving the bending and sliding resistance of the anti-slip pile or retaining wall; reducing the anchoring length of the anti-slip pile or retaining wall and saving construction costs; the drilling and slag removal equipment has a high degree of integration, which saves construction period and construction costs, improves work efficiency, and ensures project quality and the safety of construction personnel.

[0005] The purpose of this utility model is achieved by the following technical solutions:

[0006] A double crawler drill for anti-sliding piles or retaining walls with a rotating horizontal cantilever and saw teeth, comprising a horizontally arranged rotating orthogonal crawler drill assembly, a vertically arranged cross-cutting crawler drill assembly and a vertically arranged conical drill assembly, wherein the rotating orthogonal crawler drill assembly, the cross-cutting crawler drill assembly and the conical drill assembly are all installed on a U-shaped steel frame;

[0007] The rotary orthogonal crawler drill assembly includes a rotary orthogonal crawler drill and a translation assembly, and the translation assembly drives the rotary orthogonal crawler drill to move horizontally and rotate; the translation assembly includes a U-shaped driving frame, a translation motor, a sliding block, a support seat, a driving plate and a rotating motor, the support seat and the translation motor are respectively fixed on both sides of the U-shaped steel frame, the translation screw of the translation motor is rotatably connected to the support seat, the sliding block cooperates with the translation screw and is installed on the translation screw, the sliding block is fixed on the driving plate, the rotating motor and the U-shaped driving frame are respectively arranged on both sides of the driving plate, and the rotating shaft of the rotating motor passes through the driving plate and is fixedly connected to the U-shaped driving frame;

[0008] The conical drill assembly comprises a conical drill U-shaped steel frame of a box-shaped structure with a side opening and a plurality of conical drills installed in the conical drill U-shaped steel frame. A single conical drill is horizontally arranged and a plurality of conical drills are arranged in a matrix.

[0009] The cone drill includes a cutter head assembly, a power assembly and a horizontal hydraulic cylinder which are connected in sequence. The power assembly drives the cutter head assembly to rotate. One end of the horizontal hydraulic cylinder is fixed to the U-shaped steel frame of the cone drill, and the other end is connected to the power assembly through a telescopic rod to drive the cone drill to move horizontally.

[0010] 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.

[0011] The rotary 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.

[0012] 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.

[0013] 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 a 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; the U-shaped steel frame is composed of a left guard plate of a drilling rig, a right guard plate of a drilling rig and a front guard plate of a drilling rig, and a drill hole is provided on the right guard plate of the drilling rig to allow the rotating orthogonal crawler drill to pass through.

[0014] The conical drill U-shaped steel frame is formed by enclosing a conical drill lower guard plate, a conical drill upper guard plate, a conical drill left guard plate and a conical drill rear guard plate.

[0015] 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 rotating orthogonal crawler drill assembly and is arranged close to the rotating orthogonal crawler drill. A suction head with a slag suction valve is installed on the vertical drill slag discharge pipe.

[0016] The advantages of the utility model are:

[0017] (1) Through the conical drill assembly and the rotating 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;

[0018] (2) 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;

[0019] (3) 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;

[0020] (4) Reduce the anchorage length of anti-slide piles or retaining walls to save construction costs;

[0021] (5) Vertical piles or walls, force blocks and horizontal cantilevers in the rock and soil can be bored at one time;

[0022] (6) 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

[0023] Figure 1 Schematic diagram of the double crawler drill for hole forming of the utility model (I);

[0024] Figure 2 Schematic diagram of the double crawler drill for hole forming of the utility model (II);

[0025] Figure 3 Schematic diagram of the double crawler drill for hole forming of the utility model (III);

[0026] Figure 4 for Figure 1 Cross-section of the middle AA;

[0027] Figure 5 for Figure 1 Cross-section of the middle BB;

[0028] Figure 6 for Figure 1 Cross-section of the middle CC;

[0029] Figure 7 for Figure 1 Cross-section of the middle DD;

[0030] Figure 8 This is a schematic diagram of the construction process of the retaining wall hole of the utility model;

[0031] Fig. 9 for Figure 8 Cross-section of EE;

[0032] Fig.10 This is a force diagram of the retaining wall of the utility model;

[0033] Fig.11 for Fig.10 Enlarged view of middle g;

[0034] Fig.12 It is a three-dimensional schematic diagram of the force dividing block of the utility model;

[0035] like Figures 1 to 12 As shown, the marks in the figure represent respectively:

[0036] 1. Rotating orthogonal crawler drill assembly, 2. Cross-cutting crawler drill, 3. Conical drill assembly, 4. U-shaped steel frame, 5. Lifting assembly;

[0037] 11. Rotating orthogonal crawler drill, 12. Translation assembly;

[0038] 111. Rotating motor assembly, 112. Track assembly, 113. Connecting plate;

[0039] 1111. Rotating motor rotor, 1112. Rotating motor fixed shaft, 1113. Gear ring, 1114. Teeth;

[0040] 1121. crawler, 1122. reamer assembly, 11221. reamer base, 11222. reamer;

[0041] 121. U-shaped driving frame, 122. shaft hole, 123. translation screw, 124. translation motor, 125. sliding block, 126. supporting seat, 127. driving plate, 128. rotating motor, 129. rotating shaft;

[0042] 31. Cone drill, 32. Cone drill U-shaped steel frame, 33. Slag removal system;

[0043] 311. Cutter head assembly, 312. Power assembly, 313. Horizontal hydraulic cylinder;

[0044] 3111. Cutter head, 3112. Cutting slag hole, 3113. Cutting knife, 3114. Steel support;

[0045] 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;

[0046] 321. Conical drilling of lower guard plate, 322. Conical drilling of upper guard plate, 323. Conical drilling of left guard plate, 324. Conical drilling of rear guard plate, 325. Vertical drilling of slag discharge pipe hole, 326. Slag discharge main pipe hole;

[0047] 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;

[0048] 41. Drilling rig left guard plate, 42. Drilling rig right guard plate, 43. Drilling rig front guard plate, 44. Drilling mouth;

[0049] 51. Cable fixing frame, 52. Lifting beam, 53. Cable motor, 54. Cable motor shaft, 55. Cable;

[0050] a. Double crawler drill for drilling holes, 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;

[0051] 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 .The moment of vertical reaction force. DETAILED DESCRIPTION

[0052] 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:

[0053] Example: Figures 1 to 12As shown, the present embodiment relates to a double crawler drill for anti-sliding piles or retaining walls with a rotating horizontal cantilever and saw teeth, which mainly comprises a U-shaped steel frame 4, a lifting assembly 5, a rotating 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 rotating 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 rotating orthogonal crawler drill assembly 1 is horizontally arranged, the cross-cutting crawler drill 2 and the conical drill assembly 3 are both vertically arranged, and the bottom of the rotating orthogonal crawler drill assembly 1 and The bottom and side of the cross-cutting crawler drill 2 are exposed outside the bottom of the U-shaped steel frame 3. The bottom surfaces of the rotating orthogonal crawler drill assembly 1 and the cross-cutting crawler drill 2 are flush with each other, 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 rotating orthogonal crawler drill assembly 1 can be rotated and moved horizontally, that is, the rotating orthogonal crawler drill assembly 1 is first rotated, and then the rotating orthogonal crawler drill assembly 1 is moved horizontally to the outside of the U-shaped steel frame 3 to drill horizontal cantilever holes in the rock and soil to form horizontal cantilever. The conical drill assembly 3 is used to drill force block holes to form force blocks. The slag removal system 33 is used to remove soil slag generated when drilling the rock and soil.

[0054] like Figures 1 to 7 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 a drill hole 44 is provided on the right drill guard plate 42 to allow the rotary orthogonal crawler drill assembly 1 (rotary 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 a 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 rotary 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.

[0055] like Figures 1 to 7As shown, the rotary orthogonal crawler drill assembly 1 includes a rotary orthogonal crawler drill 11 and a translation assembly 12. The translation assembly 12 drives the rotary orthogonal crawler drill 11 to move horizontally, that is, the translation assembly 12 drives the rotary orthogonal crawler drill 11 to pass through the drill mouth 44 and move to the outside of the U-shaped steel frame 4 to drill a horizontal cantilever hole in the rock and soil. The rotary orthogonal crawler drill 11 includes a rotary motor assembly 111, a crawler assembly 112 and a connecting plate 113. The rotary motor assembly 111 is composed of a rotary motor rotor 1111 and a gear ring 1113. Two gear rings 1113 are relatively arranged on the left and right, and the rotary 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 rotary motor fixed shaft 1112 of the two rotary motor rotors 1111. The connecting plate 113 is provided with an axial hole 122 corresponding to the rotary 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 track assembly 112 includes a track 1121 and a reamer assembly 1122. The track 1121 is annular and is provided with a plurality of teeth 114 along the circumference of the inner ring thereof. The teeth 114 on the track 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 track 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 track 1121 to rotate, thereby driving the reamer 11222 of the reamer assembly 1122 to reamer the rock and soil. The oblique setting of the reamer 11222 is more conducive to reamer excavation of the rock and soil.

[0056] like Figures 1 to 7As shown, the translation assembly 12 includes a U-shaped driving frame 121, a translation motor 124, a sliding block 125, a support seat 126, a driving plate 127 and a rotating motor 128. The support seat 126 and the translation motor 124 are respectively fixed on both sides of the U-shaped steel frame 3 (the left guard plate 41 of the drilling rig and the right guard plate 42 of the drilling rig), the translation screw 123 of the translation motor 124 is rotatably connected to the support seat 126, the sliding block 125 cooperates with the translation screw 123 and is installed on the translation screw 123, and the sliding block 125 The rotating motor 128 and the U-shaped driving frame 121 are fixed on the driving plate 127, respectively, and are arranged on the two sides of the driving plate 127. The rotating motor 128 is fixed on the driving plate 127, and the rotating shaft 129 of the rotating motor 128 passes through the driving plate 127 and is connected to 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, and the two ends of the U-shaped driving frame 121 are provided with shaft holes 122 corresponding to the rotating motor fixed shaft 1112. The rotating motor 128 drives the rotating shaft 129 to rotate, so as to drive the rotating orthogonal crawler drill 11 to rotate; 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 rotating orthogonal crawler drill 11.

[0057] 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 rotating orthogonal crawler drill 11, so they are not repeated here.

[0058] like Figures 1 to 7 As shown, the cone drill assembly 3 includes a cone drill U-shaped steel frame 32 of a box-shaped structure with a side opening and a plurality of cone drills 31 installed in the cone drill U-shaped steel frame 32. A single cone drill 31 is horizontally arranged and a plurality of cone drills 31 are arranged in a matrix. The cone drill U-shaped steel frame 32 is surrounded by a cone drill lower guard plate 321, a cone drill upper guard plate 322, a cone drill left guard plate 323 and a cone 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 cone drill U-shaped steel frame 32 (cone drill rear guard plate 324), 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 makes the cone drill 31 outside the cone drill U-shaped steel frame 32 retract into the cone drill U-shaped steel frame 32.

[0059] 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.

[0060] 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.

[0061] like Figures 1 to 7As 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 pipe 331 is vertically arranged in the U-shaped steel frame 32 of the cone drill. The top of the slag discharge 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 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 a vertical drill slag discharge pipe hole 325 and a slag discharge main pipe hole 326. The top and bottom ends of the slag discharge pipe 331 are respectively installed in the slag discharge main pipe hole 326 and the vertical drill slag discharge pipe hole 325. The lower end of the vertical drill slag discharge pipe 334 extends into the rotating orthogonal crawler drill assembly 1 and is arranged close to the rotating 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.

[0062] like Figures 8 and 9As shown, taking the drilling of retaining wall holes as an example, a retaining wall hole is excavated in a rock slope b by a double crawler drill a, 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, and 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 through the vertical hole c1, and the vertical hole 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 through the 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 construction method of the retaining wall hole is as follows:

[0063] 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 direction of the rotating orthogonal crawler drill 11 is located in the U-shaped steel frame 4. At this time, the rotating motor fixed axis 1112 of the rotating orthogonal crawler drill 11 is horizontally set, and the rotating 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. 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 hole-forming double crawler drill a upward, move the rotating orthogonal crawler drill assembly 1 to the designed depth of the horizontal cantilever plate hole c5, move the conical drill assembly 3 to the designed depth of the force component hole c6, and rotate the motor 128 to drive the rotating orthogonal crawler drill 11 to rotate 90 degrees. At this time, the rotating motor fixed axis 1112 of the rotating orthogonal crawler drill 11 is set vertically, and the translation motor 124 of the translation assembly 12 is used to control the rotating orthogonal crawler drill 11 to drill the horizontal borehole c2 outward, and the rotary cutting motor 3127 and the horizontal hydraulic cylinder 313 are used to control the conical drill 31 to drill the conical hole c3 outward. (Along the length direction of the vertical wall hole c4) Drill the horizontal borehole c2 and the conical hole c3 horizontally, so as to obtain the horizontal cantilever hole c5 and the force component hole c6 respectively.

[0064] like Figures 10-12 As shown in the figure, taking the retaining wall as an example, the retaining wall includes a vertical wall e, a horizontal cantilever h and a force component d (multiple force components d form a sawtooth structure). 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 of the sliding force T 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 TOn the contrary, the bending resistance of the retaining wall is improved; by utilizing the strength of the rock and soil under the horizontal cantilever h, the horizontal cantilever h 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.

[0065] The beneficial technical effects of this embodiment are:

[0066] (1) Through the conical drill assembly and the rotating 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;

[0067] (2) 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;

[0068] (3) 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;

[0069] (4) Reduce the anchorage length of anti-slide piles or retaining walls to save construction costs;

[0070] (5) Vertical piles or walls, force blocks and horizontal cantilevers in the rock and soil can be bored at one time;

[0071] (6) The drilling and slag removal equipment is highly integrated, achieving the goal of improving construction efficiency and saving construction and equipment costs.

[0072] 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 crawler drill with a rotating horizontal cantilever and saw teeth for drilling holes in piles or retaining walls. Features: It comprises a horizontally arranged rotating orthogonal crawler drill assembly, a vertically arranged cross-cutting crawler drill assembly and a vertically arranged conical drill assembly, wherein the rotating 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 rotary orthogonal crawler drill assembly includes a rotary orthogonal crawler drill and a translation assembly, and the translation assembly drives the rotary orthogonal crawler drill to move horizontally and rotate; the translation assembly includes a U-shaped driving frame, a translation motor, a sliding block, a support seat, a driving plate and a rotating motor, the support seat and the translation motor are respectively fixed on both sides of the U-shaped steel frame, the translation screw of the translation motor is rotatably connected to the support seat, the sliding block cooperates with the translation screw and is installed on the translation screw, the sliding block is fixed on the driving plate, the rotating motor and the U-shaped driving frame are respectively arranged on both sides of the driving plate, and the rotating shaft of the rotating motor passes through the driving plate and is fixedly connected to the U-shaped driving frame; The conical drill assembly comprises a conical drill U-shaped steel frame of a box-shaped structure with a side opening and a plurality of conical drills installed in the conical drill U-shaped steel frame. A single conical drill is horizontally arranged and a plurality of conical drills are arranged in a matrix.

2. A double crawler drill for drilling holes for anti-sliding piles or retaining walls with a rotating horizontal cantilever and saw teeth as claimed in claim 1, Features: The cone drill includes a cutter head assembly, a power assembly and a horizontal hydraulic cylinder which are connected in sequence. The power assembly drives the cutter head assembly to rotate. One end of the horizontal hydraulic cylinder is fixed to the U-shaped steel frame of the cone drill, 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 crawler drill for drilling holes for anti-sliding piles or retaining walls with a rotating horizontal cantilever and saw teeth as claimed in claim 2, Features: 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 crawler drill for drilling holes for anti-sliding piles or retaining walls with a rotating horizontal cantilever and saw teeth as claimed in claim 1, Features: The rotary 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.

5. A double crawler drill with a rotating horizontal cantilever and saw teeth for drilling holes in anti-sliding piles or retaining walls as claimed in claim 4, Features: 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.

6. A double crawler drill with a rotating horizontal cantilever and saw teeth for drilling holes in piles or retaining walls as claimed in claim 1, Features: 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 a 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; the U-shaped steel frame is composed of a left guard plate of a drilling rig, a right guard plate of a drilling rig and a front guard plate of a drilling rig, and a drill hole is provided on the right guard plate of the drilling rig to allow the rotating orthogonal crawler drill to pass through.

7. A double crawler drill for drilling holes for anti-sliding piles or retaining walls with a rotating horizontal cantilever and saw teeth as claimed in claim 1, Features: The conical drill U-shaped steel frame is formed by enclosing a conical drill lower guard plate, a conical drill upper guard plate, a conical drill left guard plate and a conical drill rear guard plate.

8. A double crawler drill with a rotating horizontal cantilever and saw teeth for drilling holes in piles or retaining walls as claimed in claim 1, Features: 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 rotating orthogonal crawler drill assembly and is arranged close to the rotating orthogonal crawler drill. A suction head with a slag suction valve is installed on the vertical drill slag discharge pipe.

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