CN220599721U - Rectangular shallow hole drill machine with synchronous horizontal cantilever and suitable for soil stratum - Google Patents
Rectangular shallow hole drill machine with synchronous horizontal cantilever and suitable for soil stratum Download PDFInfo
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- CN220599721U CN220599721U CN202322320157.XU CN202322320157U CN220599721U CN 220599721 U CN220599721 U CN 220599721U CN 202322320157 U CN202322320157 U CN 202322320157U CN 220599721 U CN220599721 U CN 220599721U
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 12
- 239000002689 soil Substances 0.000 title claims description 34
- 238000005553 drilling Methods 0.000 claims abstract description 149
- 239000002893 slag Substances 0.000 claims abstract description 129
- 238000003756 stirring Methods 0.000 claims abstract description 98
- 239000010802 sludge Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 48
- 239000010959 steel Substances 0.000 claims description 48
- 238000007599 discharging Methods 0.000 claims description 31
- 238000009412 basement excavation Methods 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims 4
- 238000010276 construction Methods 0.000 abstract description 22
- 238000005520 cutting process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 238000007569 slipcasting Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000251133 Sphyrna tiburo Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a synchronous rectangular shallow hole drill with a horizontal cantilever, which is suitable for an earthen stratum, and comprises a drill carriage with a vertical drill rod, wherein the lower end of the vertical drill rod is sequentially connected with a sludge treatment mechanism, a sliding horizontal drill assembly and a vertical drill device from top to bottom; the sludge treatment mechanism comprises a stirring device, a sludge suction system, a crushing device, a grouting system and a slag discharge system; the sliding horizontal drilling assembly comprises a horizontal drilling device, a horizontal hydraulic cylinder and a horizontal drilling reaction frame, wherein the horizontal hydraulic cylinder is fixed on the horizontal drilling reaction frame and drives the horizontal drilling device to move laterally. The utility model has the advantages that: the horizontal cantilever structure and the vertical pile body can be formed at one time without other mechanical assistance, so that the purposes of improving the construction efficiency and saving the construction and equipment cost are achieved.
Description
Technical Field
The utility model relates to the field of anti-slide pile drilling equipment, in particular to a synchronous rectangular shallow hole drilling machine with a horizontal cantilever, which is suitable for an earthen stratum.
Background
In the projects such as side slope support, roadbed construction, foundation pit excavation, tunnel entrance and exit construction and the like, the slide-resistant pile is the most effective measure capable of transmitting the side thrust of a rock-soil body into a stable stratum below a sliding surface, resisting the side thrust and treating the projects and geological disasters. The slide-resistant piles are divided into rectangular section slide-resistant piles and circular section slide-resistant piles. The rectangular anti-skid pile has the advantages of high lateral rigidity, high single pile bearing capacity and the like, and can effectively enhance the anti-skid force and improve the anti-skid coefficient. Therefore, rectangular-section slide piles are widely used in various engineering fields.
The traditional rectangular section slide-resistant pile has a larger section and can not fully utilize the strength of rock-soil mass in front of the pile. For the anti-slide pile with the horizontal cantilever structure, the horizontal cantilever can fully utilize the strength of rock and soil mass in front of the pile, so that the anti-slide capacity of the anti-slide pile is improved, but the hole forming difficulty of a horizontal cantilever pile hole of the rectangular anti-slide pile with the horizontal cantilever is extremely high. The traditional rectangular section slide-resistant pile adopts a manual excavation and mechanical excavation mode, collapse caused by manual hole digging pile construction accounts for 65% of the total number of collapse accidents, and the traditional rectangular section slide-resistant pile is low in efficiency, high in cost, and safer and more efficient in mechanical excavation. Therefore, the mechanical drilling of pile holes with the horizontal cantilever rectangular anti-slide piles in the rock and soil layers has important significance for ensuring the safety of constructors and improving the efficiency.
At present, rectangular drilling equipment and excavation modes are various, for example:
the patent number CN 106836354A 'rectangular anti-slide pile mechanical pore-forming device' is characterized in that a rectangular shovel head is formed by a plurality of cutting blades, and a counterweight or a hydraulic propulsion device is arranged at the rear end of the shovel head to drill rectangular pile holes.
The patent number CN 103244053A rectangular drilling machine mainly drives T-shaped cutter heads uniformly distributed at the lower parts of two steel frames to move in opposite directions and reciprocate through two cam bodies, and cuts soil into rectangular holes.
The patent number CN 104533300A rectangular drilling machine is characterized in that a conical drill bit is arranged at the bottom of a rectangular transmission case, cross-shaped long cutters are arranged on four sides of the rectangular transmission case, the conical drill bit drills to form a circular pile hole, and then the circular pile hole is trimmed into the rectangular pile hole through rotary cutting of the cross-shaped long cutters.
The patent No. CN 207715083U, a rectangular anti-slide pile hole-forming drilling machine, mainly sets a round drilling cylinder and a rectangular drilling cylinder at the bottom of a drill rod, the round drilling cylinder is screwed into a round pile hole, and then the rectangular pile hole is formed by cutting soil around the round pile hole through the rectangular drilling cylinder.
The patent No. CN 105951798A 'rectangular drilling machine' mainly uses a motor to drive four concave waist cylinders with stirring blades to cut soil body, and drills rectangular pile holes.
The existing drilling machine mainly forms vertical rectangular pile holes in a rock-soil body, but has the following problems: (1) The rectangular anti-slide pile hole with the horizontal cantilever structure cannot be drilled in the soil body; (2) The rectangular pile holes of the horizontal cantilever structure and the vertical pile body cannot be synchronously drilled in the soil body; (3) Other machines (grab buckets) or auxiliary measures (a mud positive circulation deslagging method) are adopted to clean the slag soil in the pile holes, and the integration level of drilling and deslagging equipment is low, the drilling construction efficiency is low and the cost is high.
Disclosure of Invention
According to the defects of the prior art, the rectangular shallow hole drilling machine with the horizontal cantilever is suitable for the soil stratum, the rectangular shallow hole drilling machine adopts a drill carriage with a vertical drill rod to drive a sliding horizontal drilling assembly and a vertical drilling device to synchronously construct rectangular shallow holes with the horizontal cantilever, namely, the vertical drilling device excavates a vertical rectangular pile hole by adopting a cylindrical drilling assembly distributed in a matrix form, and after the vertical rectangular pile hole is excavated to the designed depth of the horizontal cantilever, the vertical drilling device continues to drill the vertical pile hole and simultaneously drives the horizontal drilling device to drill the horizontal cantilever pile hole by a horizontal hydraulic cylinder; and retracting the sliding horizontal drilling assembly after the drilling of the horizontal cantilever pile hole is completed, and finally continuously downwards drilling the rectangular pile hole to the designed depth through the vertical drilling device.
The utility model is realized by the following technical scheme:
the rectangular shallow hole drilling machine is characterized by comprising a drill carriage with a vertical drill rod, wherein the lower end of the vertical drill rod is sequentially connected with a sludge treatment mechanism, a sliding horizontal drilling assembly and a vertical drilling device from top to bottom; wherein:
the mud residue treatment mechanism comprises a stirring device, a mud residue suction system, a crushing device, a grouting system and a slag discharge system, wherein a mud residue suction port of a stirring box of the stirring device is communicated with the mud residue suction system through the crushing device, a mud residue inlet of the stirring box is communicated with the grouting system, and a slag discharge port of the stirring box is communicated with the slag discharge system;
the sliding horizontal drill assembly comprises a horizontal drill device, a horizontal hydraulic cylinder and a horizontal drill reaction frame, wherein the horizontal hydraulic cylinder is fixed on the horizontal drill reaction frame and drives the horizontal drill device to move laterally; the horizontal drilling device comprises a plurality of cylindrical drilling components which are horizontally arranged and vertically form a rectangular excavation surface; the horizontal drilling reaction frame of the sliding horizontal drilling assembly comprises a reaction plate, an upper side plate, a lower side plate and a hydraulic side guard plate, wherein the upper side plate and the lower side plate are respectively arranged at the upper part and the lower part of the reaction plate, the hydraulic side guard plates are respectively arranged at the two sides of the reaction plate, the horizontal drilling device is arranged between the upper side plate and the lower side plate, the horizontal hydraulic cylinder is arranged in a space formed by the upper side plate, the lower side plate, the hydraulic side guard plate and the reaction plate, the end face of a cylinder barrel of the horizontal hydraulic cylinder is fixed on the reaction plate, a piston rod of the horizontal hydraulic cylinder is connected with the horizontal drilling device, vertical guide grooves for installing vertical guide plates are respectively formed in the upper side plate and the lower side plate, and the vertical guide plates penetrate through the vertical guide grooves on the upper side plate and the lower side plate and two ends of the vertical guide plates are respectively connected with the stirring box and the vertical drilling device.
The lower side plate is circumferentially provided with a rigid enclosing baffle along the bottom surface, and the rigid enclosing baffle is provided with a circle of rubber pad.
The drill carriage comprises a vehicle-mounted platform, a steel upright post, a pull rod, a hinged shaft, a guide rail, a sliding block, a steel cantilever beam and a rotating motor, wherein the steel upright post is vertically arranged on the vehicle-mounted platform, the upper end of the pull rod is hinged with the upper end of the steel upright post, the lower end of the pull rod is hinged with the hinged shaft fixed on the vehicle-mounted platform, the guide rail is vertically arranged and fixed along the steel upright post, the sliding block is slidably assembled on the guide rail, the steel cantilever beam is fixed on the sliding block, and the rotating motor is fixed on the steel cantilever beam and drives the vertical drill rod to rotate.
The stirring mechanism comprises a main gear and a plurality of auxiliary gears which are meshed with the main gear for transmission, the lower end of the vertical drill rod drives the main gear to rotate, a stirring main rotating shaft which extends into the stirring box is coaxially arranged on the main gear, and stirring blades are arranged on the stirring main rotating shaft; the auxiliary gear is coaxially provided with a stirring auxiliary rotating shaft extending into the stirring box, and the stirring auxiliary rotating shaft is provided with stirring blades.
The slag sucking system comprises a slag sucking main pipe, a vertical slag sucking branch pipe and a horizontal slag sucking branch pipe, wherein the vertical slag sucking branch pipe and the horizontal slag sucking branch pipe are branched from a suction port of the slag sucking main pipe, a suction head of the vertical slag sucking branch pipe is connected into the vertical drilling device, a suction head of the horizontal slag sucking branch pipe is connected into the sliding horizontal drilling assembly, slag sucking valves are arranged at the suction heads respectively, and a pipe body of the vertical slag sucking branch pipe and a pipe body of the horizontal slag sucking branch pipe are telescopic pipes.
The grouting system comprises a grouting main pipe and a grouting pump, wherein one end of the grouting main pipe is connected with the grouting pump which is positioned on the ground, and the other end of the grouting main pipe is connected with the grouting inlet on the stirring box.
The slag discharging system comprises a slag discharging pipe and a slag discharging pump, wherein one end of the slag discharging pump is connected with the slag discharging pipe, and the other end of the slag discharging pump is connected with the slag discharging port on the stirring box.
The upper part of the stirring mechanism is provided with a pipeline fixing frame which is sleeved on the outer side of the vertical drill rod.
The slag suction main pipe, the grouting main pipe and the slag discharging pipe are all arranged and fixed along the pipeline fixing frame.
The vertical drilling device comprises a U-shaped fork plate and a plurality of cylindrical drilling components which are arranged on the U-shaped fork plate and form a rectangular excavation surface in the horizontal direction, wherein the U-shaped fork plate of the vertical drilling device consists of a web plate, wing plates arranged on two sides of the bottom surface of the web plate and a steel support arranged in the middle of the bottom surface of the web plate; the cylindrical drilling assembly of the vertical drilling device comprises two cylindrical drills and a motor for driving the cylindrical drills to rotate, the cylindrical drills are formed by a cylinder and a plurality of stirring cutter assemblies which are uniformly arranged on the surface of the cylinder, a rotating shaft of the motor penetrates through the cylinder on two sides, the end parts of the rotating shaft are correspondingly arranged on two sides of the U-shaped fork plate in rotating shaft holes of the wing plates, and a shell of the motor is welded and fixed on the steel support.
The utility model has the advantages that:
(1) The rectangular pile hole of the horizontal cantilever structure is drilled in the shallow soil body through a drill rod and a telescopic horizontal cylindrical drill with a stirring cutter;
(2) The aim of improving the construction efficiency can be achieved by synchronously drilling the horizontal cantilever and the pile hole of the embedded section;
(3) The horizontal cantilever structure and the vertical pile body can be formed at one time without other mechanical assistance, so that the purposes of improving the construction efficiency and saving the construction and equipment cost are achieved;
(4) The construction environment is improved and the mud cost is saved by combining vacuum slag suction and mud slag discharge;
(5) The soil body is crushed for the second time by the crushing box, so that the pile hole can be better discharged, and the blockage of the slag discharge pipe is prevented;
(6) Meanwhile, the drilling machine has the functions of drilling and deslagging, the integration level of the drilling machine is high, uninterrupted synchronous drilling and deslagging are realized, the construction procedures are reduced, the construction cost is saved, and the drilling construction efficiency is improved.
Drawings
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is a schematic view of the cross-sectional positions of the present utility model;
FIG. 3 is a partial schematic view of the present utility model;
FIG. 4 is a cross-sectional view A-A of FIG. 2 in accordance with the present utility model;
FIG. 5 is a front view of the vertical drilling apparatus of the present utility model;
FIG. 6 is a cross-sectional view B-B of FIG. 5 in accordance with the present utility model;
FIG. 7 is a cross-sectional view of the C-C of FIG. 2 in accordance with the present utility model;
FIG. 8 is a D-D cross-sectional view of FIG. 2 according to the present utility model;
FIG. 9 is a cross-sectional view E-E of FIG. 2 in accordance with the present utility model;
FIG. 10 is a cross-sectional view of F-F of FIG. 2 in accordance with the present utility model;
FIG. 11 is a schematic view of a sliding horizontal drill assembly of the present utility model;
FIG. 12 is a section view of the G-G of FIG. 11 in accordance with the present utility model;
FIG. 13 is a section view H-H of FIG. 2;
FIG. 14 is a cross-sectional view I-I of FIG. 2;
FIG. 15 is a section view of J-J of FIG. 2;
FIG. 16 is a cross-sectional view of K-K of FIG. 2;
FIG. 17 is a cross-sectional view of L-L of FIG. 2;
FIG. 18 is a schematic view of the construction steps of the horizontal cantilever rectangular shallow hole drilling machine adapted to the soil strata synchronization belt according to the present utility model;
as shown in fig. 1-18, the labels in the figures are respectively:
1. the vertical drilling device comprises a vertical drilling device, a sliding horizontal drilling assembly, a stirring device, a crushing device, a slag sucking system, a pipeline fixing frame, a slag discharging system, a grouting system and a drill carriage, wherein the vertical drilling device comprises a vertical drilling device, a sliding horizontal drilling assembly, a stirring device, a crushing device, a slag sucking system, a pipeline fixing frame, a slag discharging system, a grouting system and a drill carriage;
11. the vertical slag sucking pipe comprises a cylindrical drill assembly 111, a cylinder 112, a stirring cutter assembly 113, a motor 114, a motor rotating shaft 1121, a stirring cutter base 1122, a stirring cutter 12, a U-shaped fork plate 121, a wing plate 122, a web plate 123, a steel support 124, a rotating shaft hole 125 and a vertical slag sucking branch pipe through hole;
21. the horizontal drilling device comprises a horizontal drilling device 211, a horizontal slag suction branch pipe through hole 22, a horizontal hydraulic cylinder 23, a horizontal drilling reaction frame 231, a hydraulic side guard plate 232, an upper side plate 233, a lower side plate 234, a reaction plate 235, a slag suction main pipe through hole 236, a vertical guide groove 237, a rigid enclosing block 238, a rubber pad 239 and a vertical guide plate.
31. Stirring box 32, double-layer big blade 33, stirring main rotating shaft 34, double-layer small blade 35, stirring auxiliary rotating shaft 36, single-layer small blade, 37, 38, 39, 310, 311, 312, drill pipes;
41. the crushing box, 42, middle partition plates, 43, connecting pipes, 44, a rack, 45, a fan motor, 46, fan blades, 47, crushing cutters and 48, and a filter screen;
51. the slag sucking main pipe is 52, the vertical slag sucking branch pipe is 53, the horizontal slag sucking branch pipe is 54, the telescopic pipe is 55, the suction head is 56, the vertical slag sucking valve is 57;
61. the grouting device comprises a top steel plate, a middle steel plate, a bottom steel plate, a side vertical plate, a circular through hole, a slag discharging pipe fixing hole and a grouting pipe fixing hole, wherein the top steel plate, the middle steel plate, the bottom steel plate, the side vertical plate, the circular through hole and the circular through hole are respectively arranged at the bottom and the top and the bottom;
71. slag discharging pipe 72. Slag discharging pump;
81. grouting main pipe 82. Grouting pump;
91. the vehicle-mounted platform comprises a rotating motor, 92, a steel cantilever beam, 93, a sliding block, 94, a steel upright post, 95, a guide rail, 96, a hinged shaft, 97, a pull rod and 98;
a. soil stratum b, drilling machine c, free section pile hole d, horizontal cantilever pile hole e, embedding and fixing section pile hole.
Description of the embodiments
The features of the present utility model and other related features are described in further detail below by way of example in conjunction with the following drawings, to facilitate understanding by those skilled in the art:
examples: as shown in fig. 1-17, the present embodiment specifically relates to a synchronous rectangular shallow hole drill with a horizontal cantilever, which is suitable for an earthen stratum, and comprises a drill carriage 9, a pipeline fixing frame 6, a sludge treatment mechanism, a sliding horizontal drill assembly 2 and a vertical drill device 1; the drill carriage 9 is provided with a vertically arranged drill rod 312, the pipeline fixing frame 6 is sleeved on the rod body of the drill rod 312, and the sludge treatment mechanism, the sliding horizontal drill assembly 2 and the vertical drill device 1 are sequentially connected from top to bottom from the lower end of the drill rod 312, wherein the sludge treatment mechanism comprises a stirring device 3, a crushing device 4, a sludge suction system 5, a slag discharge system 7 and a grouting system 8.
As shown in fig. 1, the drill carriage 9 includes a vehicle-mounted platform 98, a steel upright post 94, a pull rod 97, a hinge shaft 96, a guide rail 95, a sliding block 93, a steel cantilever beam 92 and a rotating motor 91, wherein the vehicle-mounted platform 98 is provided with a track wheel capable of running and is positioned on the ground, the steel upright post 94 is vertically erected at the front end of the vehicle-mounted platform 98, the pull rod 97 forms a diagonal bracing reinforcing effect on the steel upright post 94, and in particular, the upper end of the pull rod 97 is hinged with the upper end of the steel upright post 94, and the lower end of the pull rod 97 is hinged with the hinge shaft 96 on the vehicle-mounted platform 98; the guide rail 95 is attached and fixed along the steel upright post 94 to form a track in the vertical direction, and the sliding block 93 is slidably assembled on the guide rail 95 and can slide in the vertical direction under the drive of the power mechanism; the steel cantilever beam 92 is fixed on the sliding block 93, the rotating motor 91 is installed on the steel cantilever beam 92, and the vertically arranged drill rod 312 is driven to rotate by the rotating motor 91 and can move along with the sliding block 93 in the vertical direction, namely, the drill rod 312 can drill downwards under the driving of the sliding block 93.
As shown in fig. 1-9, the vertical drilling device 1 may be used for shallow hole drilling of rectangular slide piles. The vertical drilling device 1 mainly comprises a plurality of cylindrical drilling assemblies 11 and a U-shaped fork plate 12 used as a mounting frame, wherein the U-shaped fork plate 12 mainly comprises a web 122 and wing plates 121 positioned on two sides of the web 122, and a steel support 123 is vertically welded in the middle of the web 122 based on the number of the cylindrical drilling assemblies 11. Each set of cylindrical drill assembly 11 is composed of two cylindrical drills, a motor 114 and a motor shaft 115, and in this embodiment, the number of cylindrical drills of the vertical drill device 1 is 4, and the cylindrical drills are distributed in a matrix to form rectangular cutting surfaces, and rectangular pile holes are formed in the downward cutting process. The cylindrical drill comprises a cylinder 111 and stirring cutter assemblies 112 uniformly distributed on the surface of the cylinder 111, a centrally arranged steel support 123 is welded or connected with a motor 114 shell, a motor rotating shaft 115 of the motor 114 drives the cylinders 111 on two sides to rotate, and the end parts of the motor rotating shaft 115 are supported in rotating shaft holes 124 of wing plates 121 on two sides. The stirring blade assembly 112 comprises a stirring blade base 1121 and a stirring blade 1122, and the stirring blade 1122 is in an inclined installation posture under the fixation of the stirring blade base 1121 so as to facilitate stirring and digging of soil. In addition, the web 122 is further provided with a vertical slag sucking branch pipe through hole 125 for fixing the vertical slag sucking branch pipe 52 of the slag sucking system 5.
As shown in fig. 1-13, the sliding horizontal drilling assembly 2 may be used to perform excavation of horizontal cantilever pile holes. The sliding horizontal drill assembly 2 comprises a horizontal drill device 21, a horizontal hydraulic cylinder 22 and a horizontal drill reaction frame 23, wherein the horizontal hydraulic cylinder 22 is fixed on the horizontal drill reaction frame 23 and drives the horizontal drill device 21 to move laterally.
The horizontal drilling device 21 also includes a plurality of cylindrical drilling assemblies 11 and a U-shaped fork plate 12 used as an installation frame, and the structures of the cylindrical drilling assemblies 11 and the U-shaped fork plate 12 of the horizontal drilling device 21 are identical to the structures of the cylindrical drilling assemblies 11 and the U-shaped fork plate 12 of the vertical drilling device 1, and only the setting directions are different (the horizontal drilling device 21 is vertically set, and the vertical drilling device 1 is horizontally set), so that details are not repeated herein. In this embodiment, the number of cylindrical drills of the sliding horizontal drill component 2 is also 4, and the cylindrical drills are distributed in a matrix to form rectangular cutting surfaces, and rectangular horizontal cantilever pile holes are formed in the process of cutting the cylindrical drills to the side. The horizontal drill reaction frame 23 comprises a reaction plate 234, an upper side plate 232, a lower side plate 233 and a hydraulic side guard plate 231, wherein the upper side plate 232 and the lower side plate 233 are respectively arranged at the upper part and the lower part of the reaction plate 234, the hydraulic side guard plate 231 is respectively arranged at two sides of the reaction plate 234, the horizontal drill device 21 is positioned between the upper side plate 232 and the lower side plate 233, the horizontal hydraulic cylinder 22 is positioned in a space formed by the upper side plate 232, the lower side plate 233, the hydraulic side guard plate 231 and the reaction plate 234, and the hydraulic side guard plate 231 can prevent soil body from contacting with the horizontal hydraulic cylinder 22 during excavation so as to protect the horizontal hydraulic cylinder 22. The cylinder end face of the horizontal hydraulic cylinder 22 is fixed on the counter-force plate 234, the piston rod of the horizontal hydraulic cylinder 22 is connected with the horizontal drilling device 21, vertical guide grooves 236 are formed in the upper side plate 232 and the lower side plate 233, the size and the shape of each vertical guide groove 236 are matched with those of each vertical guide plate 239, each vertical guide groove 236 is used for installing each vertical guide plate 239, each vertical guide plate 239 penetrates through each vertical guide groove 236 in the upper side plate 232 and the lower side plate 233, two ends of each vertical guide plate 239 are respectively connected with the stirring box 31 of the stirring device 3 and the vertical drilling device 1, the sliding horizontal drilling assembly 2 can move along the height direction of each vertical guide plate 239, and meanwhile, each vertical guide plate 239 can limit the horizontal position of the sliding horizontal drilling assembly 2 (the horizontal drilling counter-force frame 23) and prevent the sliding horizontal drilling assembly 2 (the horizontal drilling counter-force frame 23) from moving in the horizontal direction. The lower side plate 233 is circumferentially provided with a rigid enclosure 237 along the bottom surface, the rigid enclosure 237 is provided with a circle of rubber pads 238, and when the sliding horizontal drilling assembly 2 is contacted with the vertical drilling device 1, the rubber pads 238 can prevent the rigid enclosure 237 from colliding with the horizontal drilling reaction frame 23 of the sliding horizontal drilling assembly 2, so that a buffering effect is achieved. In addition, the U-shaped fork plate 12 of the horizontal drilling device 21 is provided with a horizontal slag sucking branch pipe through hole 211 for fixing the horizontal slag sucking branch pipe 53 of the slag sucking system 5, the upper side plate 232 is provided with a slag sucking main pipe through hole 235 for fixing the slag sucking main pipe 51 of the slag sucking system 5, and the lower side plate 233 is provided with a vertical slag sucking branch pipe through hole 125 for fixing the vertical slag sucking branch pipe 52 of the slag sucking system 5.
As shown in fig. 1-17, the sludge treatment mechanism comprises a stirring device 3, a crushing device 4, a sludge suction system 5, a slag discharge system 7 and a grouting system 8.
The stirring device 3 mainly comprises a stirring box 31 and a stirring mechanism, wherein the stirring box 31 is fixedly arranged on the upper surface of a sliding horizontal drill component 2 (a vertical guide plate 239), the stirring mechanism comprises a main gear 37 and a plurality of auxiliary gears 39 meshed with the main gear 37 for transmission, the main gear 37 is fixedly connected with the lower end of a drill rod 312, the rotating drill rod 312 can drive the main gear 37 to rotate so as to drive the auxiliary gears 39 to rotate, a stirring main rotating shaft 33 extending into the stirring box 31 is coaxially arranged on the main gear 37, stirring blades are arranged on the stirring main rotating shaft 33, and the stirring blades adopt double-layer large blades 32; each auxiliary gear 39 is coaxially provided with a stirring auxiliary rotating shaft 35 extending into the stirring box 31, the stirring auxiliary rotating shaft 35 is also provided with stirring blades, part of stirring blades on the stirring auxiliary rotating shaft 35 adopt double-layer small blades 34, and the other part of stirring blades on the stirring auxiliary rotating shaft 35 adopt single-layer small blades 36, so that evenly mixed slurry can be obtained by stirring the sludge and the slurry of the stirring box 31, and the stirring box is beneficial to discharge. In order to avoid slurry in the stirring tank 31 from penetrating into the gear box where the main gear 37 and the auxiliary gear 39 are located during stirring, a main gear isolation pad 38 is provided at the junction of the stirring main rotating shaft 33 and the stirring tank 31, and an auxiliary gear isolation pad 310 is provided at the junction of the stirring auxiliary rotating shaft 35 and the stirring tank 31. As shown in fig. 3, a steel cover plate 311 is arranged on the top of the gear box where the main gear 37 and the auxiliary gear 39 are arranged, and is used for being connected with the pipe fixing frame 6. The stirring tank 31 is provided with a slag suction port, a slag discharge port and a slurry inlet.
The slag sucking system 5 is connected to the slag sucking port of the stirring tank 31, the slag sucking system 5 mainly comprises a slag sucking main pipe 51, a vertical slag sucking branch pipe 52 and a horizontal slag sucking branch pipe 53, one end of the slag sucking main pipe 51 is communicated with the slag sucking port of the stirring tank 31 through the crushing device 4, the other end (namely a sucking end) of the slag sucking main pipe 51 is connected with the vertical slag sucking branch pipe 52 and the horizontal slag sucking branch pipe 53, wherein the vertical slag sucking branch pipe 52 extends into the vertical drilling device 1, a suction head 55 of the vertical slag sucking branch pipe 52 is close to a cylindrical drilling component 11 of the vertical drilling device 1 so that slag can be sucked and cut out, and a vertical slag sucking valve 56 is arranged at the suction head 55 of the vertical slag sucking branch pipe 52 and used for controlling on-off of a pipeline; the horizontal slag sucking branch pipe 53 extends into the horizontal drilling device 21, the suction head 55 of the horizontal slag sucking branch pipe 53 is close to the cylindrical drilling assembly 11 of the horizontal drilling device 21 so that the horizontal slag sucking branch pipe 53 can suck, cut and dig slag, and a horizontal slag sucking valve 57 is arranged at the suction head 55 of the horizontal slag sucking branch pipe 53 and used for controlling the on-off of a pipeline. In addition, the pipe body of the vertical slag sucking branch pipe 52 and the pipe body of the horizontal slag sucking branch pipe 53 adopt telescopic pipes 54.
The pumped sludge is crushed into fine particles by the crushing device 4 and then enters the stirring tank 31, the crushing device 4 mainly comprises a crushing tank 41, a middle partition plate 42, a connecting pipe 43, a rack 44, a fan motor 45, a fan blade 46, a crushing blade 47 and a filter screen 48, the middle partition plate 42 is obliquely arranged in the crushing tank 41 to form a ramp which is beneficial to the flow of the sludge, the fan motor 45 is arranged on a top plate in the crushing tank 41 through the rack 44, the fan blade 46 is arranged on a rotating shaft of the fan motor 45, the fan motor 45 and the fan blade 46 rotating at high speed can form negative pressure suction in a sludge suction main pipe 51, a crushing blade 47 is arranged at the installation position of the fan motor 45, so that the pumped sludge can enter the stirring tank 41 through the connecting pipe 43 after being crushed by the crushing blade 47, and a screen 48 is arranged at the end face of the fan motor 45 to filter the large-particle sludge, so that the sludge is prevented from flowing into the stirring tank 31 from the fan motor 45.
The grouting system 8 from subaerial is connected with to the inlet of agitator tank 31, and grouting system 8 mainly includes slip casting main pipe 81 and slip casting pump 82, and this slip casting main pipe 81 pumps the mud of suitable concentration through slip casting pump 82 to the agitator tank 31 in order to mix with the mud sediment that draws up, makes it become the fluid, is convenient for outwards suck.
The slag discharging port of the stirring box 31 is connected with a slag discharging system 7 from the ground, the slag discharging system 7 comprises a slag discharging pipe 71 and a slag discharging pump 72, the lower end of the slag discharging pipe 71 is communicated with the slag discharging port of the stirring box 31, and the port of the slag discharging pipe is extended downwards to a certain depth so as to facilitate pumping more slurry, and the slag discharging pipe 71 pumps the uniformly stirred slurry from the stirring box 31 to the ground through the slag discharging pump 72 for collection.
As shown in fig. 1 to 17, the pipe fixing frame 6 has a box-shaped structure, and includes a top steel plate 61, a middle steel plate 62, a bottom steel plate 63, and a plurality of side vertical plates 64 connecting the three, in addition, circular through holes 65 are formed in the top steel plate 61, the middle steel plate 62, and the bottom steel plate 63 of the pipe fixing frame 6 for the drill pipe 312 to pass through, and in addition, slag pipe fixing holes 66 for the slag pipes 71 to pass through and grouting pipe fixing holes 67 for the grouting main pipe 81 to pass through are formed in the top steel plate 61, the middle steel plate 62, and the bottom steel plate 63. In order to avoid pipe wobble during drilling, the pipe holder 6 may provide a fixing for each pipe passing.
As shown in fig. 1 to 18, the present embodiment further has the following construction method:
(S1) drilling a vertical rectangular pile hole by using the vertical drilling device 1 on the drilling machine b in the soil stratum a to form a free section pile hole c until the design depth of the horizontal cantilever pile hole d, and sucking slag by using the suction head 55 on the vertical slag sucking branch pipe 52 near the cylindrical drilling assembly 11 of the vertical drilling device 1.
(S2) after the sliding horizontal drilling assembly 2 reaches the bottom design elevation of the horizontal cantilever pile hole d, starting the horizontal hydraulic cylinder 22 of the sliding horizontal drilling assembly 2, extending the piston rod of the horizontal hydraulic cylinder 22 to the side of the soil body to drive the horizontal drilling device 21 to move laterally, laterally drilling the sliding horizontal drilling assembly 2 to the design length of the horizontal cantilever pile hole d, and downwards drilling the embedded section pile hole e by the vertical drilling device 1, wherein in the process, the suction head 55 on the vertical suction slag branch pipe 52 near the cylindrical drilling assembly 11 of the vertical drilling device 1 sucks slag, and the suction head 55 on the horizontal suction slag branch pipe 53 near the cylindrical drilling assembly 11 of the horizontal drilling device 21 sucks slag.
(S3) the piston rod of the horizontal hydraulic cylinder 22 is retracted to the minimum stroke, so that the horizontal drilling device 21 is retracted into the free section pile hole c, the sliding horizontal drilling assembly 2 moves downwards under the self weight and contacts with the vertical drilling device 1, the cylindrical drilling assembly 11 on the vertical drilling device 1 continues to drill downwards to the design depth of the embedded section pile hole e, and in the process, the suction head 55 on the vertical suction branch pipe 52 near the cylindrical drilling assembly 11 of the vertical drilling device 1 sucks slag.
The advantages of this embodiment are:
(1) The rectangular pile hole of the horizontal cantilever structure is drilled in the shallow soil body through a drill rod and a telescopic horizontal cylindrical drill with a stirring cutter;
(2) The aim of improving the construction efficiency can be achieved by synchronously drilling the horizontal cantilever and the pile hole of the embedded section;
(3) The horizontal cantilever structure and the vertical pile body can be formed at one time without other mechanical assistance, so that the purposes of improving the construction efficiency and saving the construction and equipment cost are achieved;
(4) The construction environment is improved and the mud cost is saved by combining vacuum slag suction and mud slag discharge;
(5) The soil body is crushed for the second time by the crushing box, so that the pile hole can be better discharged, and the blockage of the slag discharge pipe is prevented;
(6) Meanwhile, the drilling machine has the functions of drilling and deslagging, the integration level of the drilling machine is high, uninterrupted synchronous drilling and deslagging are realized, the construction procedures are reduced, the construction cost is saved, and the drilling construction efficiency is improved.
Although the foregoing embodiments have been described in some detail with reference to the accompanying drawings, it will be appreciated by those skilled in the art that various modifications and changes may be made thereto without departing from the scope of the utility model as defined in the appended claims, and thus are not repeated herein.
Claims (10)
1. The rectangular shallow hole drilling machine is characterized by comprising a drill carriage with a vertical drill rod, wherein the lower end of the vertical drill rod is sequentially connected with a sludge treatment mechanism, a sliding horizontal drilling assembly and a vertical drilling device from top to bottom; wherein:
the sludge treatment mechanism comprises a stirring device, a sludge suction system, a crushing device, a grouting system and a slag discharge system, wherein the stirring device comprises a stirring box and a stirring mechanism arranged in the stirring box, and the stirring box is provided with a sludge suction port, a slag discharge port and a slurry inlet;
the sliding horizontal drill assembly comprises a horizontal drill device, a horizontal hydraulic cylinder and a horizontal drill reaction frame, wherein the horizontal hydraulic cylinder is fixed on the horizontal drill reaction frame and drives the horizontal drill device to move laterally; the horizontal drilling device comprises a plurality of cylindrical drilling components which are horizontally arranged and vertically form a rectangular excavation surface; the horizontal drilling reaction frame of the sliding horizontal drilling assembly comprises a reaction plate, an upper side plate, a lower side plate and a hydraulic side guard plate, wherein the upper side plate and the lower side plate are respectively arranged at the upper part and the lower part of the reaction plate, the hydraulic side guard plates are respectively arranged at the two sides of the reaction plate, the horizontal drilling device is arranged between the upper side plate and the lower side plate, the horizontal hydraulic cylinder is arranged in a space formed by the upper side plate, the lower side plate, the hydraulic side guard plate and the reaction plate, the end face of a cylinder barrel of the horizontal hydraulic cylinder is fixed on the reaction plate, a piston rod of the horizontal hydraulic cylinder is connected with the horizontal drilling device, vertical guide grooves for installing vertical guide plates are respectively formed in the upper side plate and the lower side plate, and the vertical guide plates penetrate through the vertical guide grooves on the upper side plate and the lower side plate and two ends of the vertical guide plates are respectively connected with the stirring box and the vertical drilling device.
2. The rectangular shallow hole drill machine with the horizontal cantilever, which is adaptive to the soil stratum and is provided with the synchronous belt horizontal cantilever, is characterized in that the lower side plate is provided with a rigid enclosing board along the circumference of the bottom surface of the lower side plate, and a circle of rubber pads are arranged on the rigid enclosing board.
3. The rectangular shallow hole drill with the horizontal cantilever, which is adaptive to the soil strata, is characterized in that the drill carriage comprises a vehicle-mounted platform, a steel upright post, a pull rod, a hinge shaft, a guide rail, a sliding block, a steel cantilever beam and a rotating motor, wherein the steel upright post is vertically arranged on the vehicle-mounted platform, the upper end of the pull rod is hinged with the upper end of the steel upright post, the lower end of the pull rod is hinged with the hinge shaft fixed on the vehicle-mounted platform, the guide rail is vertically arranged and fixed along the steel upright post, the sliding block is slidably assembled on the guide rail, the steel cantilever beam is fixed on the sliding block, and the rotating motor is fixed on the steel cantilever beam and drives the vertical drill rod to rotate.
4. The rectangular shallow hole drill machine with the horizontal cantilever, which is suitable for the soil strata, is characterized in that the stirring mechanism comprises a main gear and a plurality of auxiliary gears which are meshed with the main gear for transmission, the lower end of the vertical drill rod drives the main gear to rotate, a stirring main rotating shaft extending into the stirring box is coaxially arranged on the main gear, and stirring blades are arranged on the stirring main rotating shaft; the auxiliary gear is coaxially provided with a stirring auxiliary rotating shaft extending into the stirring box, and the stirring auxiliary rotating shaft is provided with stirring blades.
5. The rectangular shallow hole drilling machine with the horizontal cantilever, which is adaptive to the soil stratum, is characterized in that the slag sucking system comprises a slag sucking main pipe, a vertical slag sucking branch pipe and a horizontal slag sucking branch pipe, wherein the vertical slag sucking branch pipe and the horizontal slag sucking branch pipe are branched from a suction port of the slag sucking main pipe, suction heads of the vertical slag sucking branch pipe are connected into the vertical drilling device, suction heads of the horizontal slag sucking branch pipe are connected into the sliding horizontal drilling assembly, slag sucking valves are arranged at the suction heads, and telescopic pipes are adopted for pipe bodies of the vertical slag sucking branch pipe and the horizontal slag sucking branch pipe.
6. The rectangular shallow hole drilling machine with the horizontal cantilever, which is adaptive to the soil stratum, is characterized in that the grouting system comprises a main grouting pipe and a grouting pump, one end of the main grouting pipe is connected with the grouting pump positioned on the ground, and the other end of the main grouting pipe is connected with the grouting inlet on the stirring box.
7. The synchronous rectangular shallow hole drill with the horizontal cantilever, which is suitable for the soil stratum, according to claim 6, is characterized in that the slag discharging system comprises a slag discharging pipe and a slag discharging pump, one end of the slag discharging pump is connected with the slag discharging pipe, and the other end of the slag discharging pump is connected with the slag discharging port on the stirring box.
8. The rectangular shallow hole drill machine with the horizontal cantilever, which is suitable for the synchronous belt of the soil stratum and is used for adapting to the soil stratum, according to claim 7, is characterized in that a pipeline fixing frame is arranged above the stirring mechanism and sleeved on the outer side of the vertical drill rod.
9. The synchronous rectangular shallow hole drill with the horizontal cantilever, which is suitable for the soil stratum, is characterized in that the slag suction main pipe, the grouting main pipe and the slag discharging pipe are all arranged and fixed along the pipeline fixing frame.
10. The synchronous rectangular shallow hole drilling machine with the horizontal cantilever, which is suitable for the soil stratum, is characterized in that the vertical drilling device comprises a U-shaped fork plate and a plurality of cylindrical drilling components which are arranged on the U-shaped fork plate and horizontally form a rectangular excavation surface, and the U-shaped fork plate of the vertical drilling device consists of a web plate, wing plates arranged on two sides of the bottom surface of the web plate and a steel support arranged in the middle of the bottom surface of the web plate; the cylindrical drilling assembly of the vertical drilling device comprises two cylindrical drills and a motor for driving the cylindrical drills to rotate, the cylindrical drills are formed by a cylinder and a plurality of stirring cutter assemblies which are uniformly arranged on the surface of the cylinder, a rotating shaft of the motor penetrates through the cylinder on two sides, the end parts of the rotating shaft are correspondingly arranged on two sides of the U-shaped fork plate in rotating shaft holes of the wing plates, and a shell of the motor is welded and fixed on the steel support.
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