CN116274326A - Novel in-situ double-shaft four-section type soil restoration device - Google Patents
Novel in-situ double-shaft four-section type soil restoration device Download PDFInfo
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- CN116274326A CN116274326A CN202310067207.XA CN202310067207A CN116274326A CN 116274326 A CN116274326 A CN 116274326A CN 202310067207 A CN202310067207 A CN 202310067207A CN 116274326 A CN116274326 A CN 116274326A
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- 239000002689 soil Substances 0.000 title claims abstract description 161
- 238000011065 in-situ storage Methods 0.000 title claims description 18
- 239000003814 drug Substances 0.000 claims abstract description 114
- 238000005553 drilling Methods 0.000 claims abstract description 43
- 238000002156 mixing Methods 0.000 claims abstract description 40
- 230000001360 synchronised effect Effects 0.000 claims description 66
- 238000007789 sealing Methods 0.000 claims description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 230000007704 transition Effects 0.000 claims description 15
- 238000003491 array Methods 0.000 claims description 8
- 229940079593 drug Drugs 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000575 pesticide Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 23
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000000306 component Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 229910001385 heavy metal Inorganic materials 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000005067 remediation Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The utility model provides a novel normal position biax syllogic soil restoration device, including the automobile body, the chassis, crawler-type running gear, the driver's cabin, a power system, hydraulic pressure station, lift gallows and the broken syllogic drilling device that mixes medicine of biax soil, the driver's cabin sets up in the left front portion of automobile body, the power system sets up the rear portion at the automobile body, hydraulic pressure station sets up the left side portion at the automobile body, the lift gallows sets up the upside in the front side of automobile body, the broken syllogic drilling device that mixes medicine of biax soil is installed on the lift gallows, power system provides power for crawler-type running gear and hydraulic pressure station through the power reduction box, hydraulic pressure station provides hydraulic power for lift gallows and the broken syllogic drilling device that mixes medicine of biax soil. According to the invention, the four-section drill bit integrating crushing and mixing is adopted, so that soil particles can be effectively crushed layer by layer in a scanning way, medicine soil particles are fully and uniformly mixed, double-shaft operation can be carried out, two-position soil restoration operations can be carried out at one time, the working efficiency is effectively improved, the operation frequency is saved, and the energy consumption is reduced.
Description
Technical Field
The invention belongs to the technical field of soil remediation, and particularly relates to a novel in-situ biaxial four-section soil remediation device.
Background
At present, various common in-situ soil restoration devices mainly change the particle size of soil and increase the combination degree of the soil and the medicament through the forms of strong cutting, rolling and the like. In the equipment for repairing the heavy metal contaminated soil of the existing site, the common in-situ uniform mixing equipment mainly comprises a turner/roller mixer and a spiral drilling machine/guniting machine, and has the advantages of high universality to the site and weak uniform mixing performance of the soil and the repairing agent; soil remediation operation cannot be performed for different soil depths. Domestic site repair projects are often designed to purchase or rent equipment of this type. Even if there is domestic equipment, KH200 environment restoration all-in-one machine of the Heikang Hengjingjingsha company is mainly imported. The existing home position soil restoration device in China has the problem of low efficiency: the in-situ soil remediation device has the advantages that the crushing efficiency is high, the uniform mixing efficiency of the medicament and the soil is low, or the in-situ soil remediation device has the advantages that the uniform mixing efficiency of the soil is high, the crushing rate is low, and meanwhile, the problems of difficult equipment maintenance and short service life are solved; cannot meet the current soil restoration environment requirements. This would be detrimental to the scale and high quality of the in situ soil remediation device while affecting the effectiveness of heavy metal soil remediation.
In summary, efficiency improvement, intelligent control and localization of core components are the problems to be solved in repair equipment. Therefore, how to provide a novel in-situ soil restoration device for solving the problems of low crushing rate, poor uniform mixing property, low automation degree and the like in the treatment process of soil heavy metals with different depths, the diversified operation modes of automatic soil crushing, medicine discharging and uniform mixing are realized, a large amount of labor force in the soil restoration process is saved, the passivation efficiency of the soil heavy metals is improved, the problems of low efficiency, short service life, complex structure and convenient control of the traditional common soil restoration device are solved, and the problems to be solved by the technicians in the field are urgent.
Disclosure of Invention
The invention aims to provide a novel in-situ double-shaft four-section type soil restoration device which is scientific in design, reasonable in structure, simple to operate and convenient to control, adopts a four-section type drill bit integrating crushing and mixing into a whole, can effectively scan and crush soil particles layer by layer, fully and uniformly mix soil particles, adopts double-shaft operation, can perform two-position soil restoration operations at one time, effectively improves the working efficiency, saves the operating frequency and reduces the energy consumption.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a novel normal position biax syllogic soil restoration device, which comprises a vehicle body, a chassis, crawler-type running gear, the driver's cabin, a power system, the hydraulic pressure station, lift gallows and biax soil are broken to mix medicine syllogic drilling device, the automobile body sets up the upper portion on the chassis, crawler-type running gear installs the left and right sides on the chassis, the driver's cabin sets up the left front portion at the automobile body, a power system sets up the rear portion at the automobile body, the hydraulic pressure station sets up the left side portion at the automobile body, the lift gallows sets up the front side upper portion at the automobile body, biax soil is broken to mix medicine syllogic drilling device installs on the lift gallows, power system provides power through the power reducing gear box and gives crawler-type running gear and hydraulic pressure station, hydraulic pressure station provides hydraulic pressure power for lift gallows and biax soil and broken to mix medicine syllogic drilling device electric signal connection, the control the platform respectively with lift gallows and biax soil.
The lifting hanger comprises two groups of drilling mast components, the two groups of drilling mast components are identical in structure and are symmetrically arranged left and right, the left drilling mast component comprises a mast, a triangular support, lifting connecting rods, a first telescopic synchronous hydraulic cylinder and a second telescopic synchronous hydraulic cylinder, the mast is vertically arranged in front of a vehicle body, the triangular support is vertically arranged in front of and behind the vehicle body, three corners of the triangular support are distributed front, down and back, front corners of the triangular support are hinged to the lower side of the rear side of the mast, hinge shafts of the triangular support are horizontally arranged in left and right directions, the lifting connecting rods are horizontally arranged side by side and are obliquely arranged between the vehicle body and the triangular support in front-back high and low, lower ends of the two lifting connecting rods are hinged to the front side edge of the vehicle body and the hinge shafts of the lifting connecting rods are horizontally arranged in left and right directions, upper ends of the two lifting connecting rods are hinged to the lower corners of the triangular support and the hinge shafts of the lifting connecting rods are horizontally arranged in left and right directions, the first telescopic synchronous hydraulic cylinders are arranged left and right side by side and are arranged between the two lifting connecting rods in a front-high and rear-low inclined way, the lower ends of the cylinder bodies of the two first telescopic synchronous hydraulic cylinders are hinged to the front side part of the vehicle body, the hinge shafts of the two first telescopic synchronous hydraulic cylinders are horizontally arranged along the left-right direction, the piston rods of the two first telescopic synchronous hydraulic cylinders extend forwards and upwards, the upper ends of the piston rods of the two first telescopic synchronous hydraulic cylinders are hinged to the lower sides of the rear corners of the triangular support and the hinge shafts of the two first telescopic synchronous hydraulic cylinders are horizontally arranged along the left-right direction, the second telescopic synchronous hydraulic cylinders are arranged left and right side by side and are arranged above the triangular support in a front-high and rear-low inclined way, the lower ends of the cylinder bodies of the two second telescopic synchronous hydraulic cylinders are hinged to the upper sides of the rear corners of the triangular support and the hinge shafts of the two second telescopic synchronous hydraulic cylinders are horizontally arranged along the left-right direction, the piston rod upper ends of the two second telescopic synchronous hydraulic cylinders are both hinged to the middle part of the rear side of the mast, the hinge shafts of the two second telescopic synchronous hydraulic cylinders are horizontally arranged along the left-right direction, a steel wire rope lifting mechanism for lifting the double-shaft soil crushing and drug mixing four-section drilling device is arranged on the mast, the hydraulic station is respectively connected with each first telescopic synchronous hydraulic cylinder and each second telescopic synchronous hydraulic cylinder through a hydraulic pipeline, and the control table is respectively connected with each first telescopic synchronous hydraulic cylinder and each second telescopic synchronous hydraulic cylinder through signals.
The steel wire rope hoisting mechanism comprises a hydraulic winch, the hydraulic winch is fixed at the lower part of the rear side of a mast, a first fixed pulley positioned above the hydraulic winch is rotatably arranged at the upper side of the rear side of the mast, a crane head horizontally arranged along the front-rear direction is arranged at the upper end of the mast, a front U-shaped groove which is transparent up and down and open at the front side is formed at the front end of the crane head, a rear U-shaped groove which is transparent up and down and open at the rear side is formed at the rear end of the crane head, a second fixed pulley positioned at the front upper side of the mast is rotatably arranged in the front U-shaped groove, a guide sheave positioned right above the first fixed pulley is rotatably arranged in the rear U-shaped groove, the central shafts of the first fixed pulley, the second fixed pulley and the guide sheave are horizontally arranged along the left-right direction, a steel wire rope wound on the drum of the hydraulic winch extends upwards and sequentially winds at the rear upper part of the rear side of the first fixed pulley, then the steel wire rope horizontally extends forwards and winds at the front upper part of the second fixed pulley, then the steel wire rope vertically extends downwards and is connected with the top of the double-shaft soil breaking and mixing four-section hoisting device, a hydraulic motor is connected with a hydraulic motor of the hydraulic winch through a hydraulic control valve.
The double-shaft soil crushing and chemical mixing four-section drilling device comprises a pesticide feeding box and two soil crushing drilling machine components, wherein the two soil crushing drilling machine components are identical in structure and are vertically arranged on the front sides of two masts respectively in bilateral symmetry, and the pesticide feeding box is arranged on the upper parts of the two soil crushing drilling machine components;
the left soil breaking drilling machine component comprises a full hydraulic power head, a drill rod and a four-section drill bit, wherein the full hydraulic power head is vertically and slidably connected to the front side of a left mast, the drill rod and the four-section drill bit are vertically arranged, the upper end of the drill rod is coaxially and in transmission connection with the lower end of an output shaft of the full hydraulic power head, the lower end of the drill rod is coaxially and in threaded connection with the upper end of the four-section drill bit, the drill rod and the four-section drill bit are of hollow structures, a medicament dragon conveyor is concentrically arranged in the drill rod, a hydraulic motor of the medicament dragon conveyor is positioned at the upper end of an inner hole of the drill rod, a central shaft of the medicament dragon conveyor is concentrically arranged in the drill rod and the four-section drill bit, a helical blade of the medicament dragon conveyor is spirally arranged along the central shaft of the drill rod, a plurality of circumferential arrays are arranged on the outer wall of the lower side of the four-section drill bit and are internally communicated with the four-section drill bit, the top of the full hydraulic power head is connected with a hydraulic cable of a hoisting machine at the left side, and a hydraulic station of the hydraulic motor of the full hydraulic power head is respectively connected with a hydraulic power station of the hydraulic power head through a hydraulic power station and a hydraulic power pipeline;
the medicine feeding box is horizontally arranged, the medicine feeding cover is arranged on the front side plate of the medicine feeding box, the two drill rods vertically penetrate through the medicine feeding box, the top plate and the bottom plate of the medicine feeding box are connected with the two drill rods in a rotating mode through sealing bearings, two left-right spaced sealing sleeves are arranged in the medicine feeding box, the upper ends and the lower ends of the sealing sleeves are fixedly connected to the inner surfaces of the top plate and the bottom plate of the medicine feeding box respectively, the two sealing sleeves are sleeved outside the corresponding two drill rods in a concentric mode respectively, the inner diameter of each sealing sleeve is larger than the outer diameter of each drill rod, a plurality of medicine feeding holes are formed in the side walls of the two sealing sleeves, and a plurality of medicine feeding holes located in the corresponding sealing sleeves are formed in the side walls of each drill rod.
The four-section drill bit comprises a drill shaft and a positioning drill tip, wherein the upper end of the drill shaft is coaxially and in threaded connection with the lower end of a drill rod, the positioning drill tip is a conical positioning tip with a large upper part and a small lower part, the upper end of the positioning drill tip is welded at the lower end of the drill shaft, the drill shaft is a hollow shaft, an inner hole of the drill shaft is correspondingly communicated with the inner hole of the drill rod up and down, the lower end of a central shaft of the medicament dragon conveyor rotates at the lower end part of the inner hole of the drill shaft, the outer circumference of the drill shaft is divided into four sections from bottom to top, the outer circumference of the drill shaft is provided with a plurality of circumferential arrays and spiral blades which are spirally arranged along the axial direction, each circumferential array of drug discharge holes is arranged on the outer circumference of the first section drill shaft, each spiral blade is circumferentially and alternately arranged with drug discharge holes, the lower end edges of each spiral blade extend to the outer circumference of the drill shaft, the lower end edges of each spiral blade are provided with bucket teeth, the outer circumference of the second section drill shaft is uniformly distributed with a plurality of circumferential arrays and radially arranged along the third spiral blades, and the third spiral blades are radially and circumferentially arranged along the third spiral blades are uniformly arranged along the transition section; and the outer circumference of the fourth section of drill shaft is spirally provided with uniform mixing stirring helical blades along the axial direction.
The diameter of the outer circle of the digging spiral blade is smaller than that of the transition spiral blade, the diameter of the outer circle of the uniformly mixed stirring spiral blade is smaller than that of the digging spiral blade, the diameter of the outer circle of the sawtooth cutter is larger than that of the digging spiral blade and smaller than that of the transition spiral blade, and the diameter of the outer circle of the rotary blade is the same as that of the transition spiral blade.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and specifically, the working principle of the invention is as follows: at first, each first telescopic synchronous hydraulic cylinder and each second telescopic synchronous hydraulic cylinder are in a contracted state, then two masts are in a state of being horizontally folded and stored in the upper part of a vehicle body, an operator can open a dosing cover to add a medicament into a dosing box, after dosing is finished, the dosing cover is closed, the operator drives the novel in-situ double-shaft four-section soil restoration device to a working place in a cab, then the operator controls each first telescopic synchronous hydraulic cylinder and each second telescopic synchronous hydraulic cylinder to act through a control console, piston rods of each first telescopic synchronous hydraulic cylinder synchronously extend, so that two masts are upwards lifted under the action of corresponding lifting connecting rods, simultaneously piston rods of each second telescopic synchronous hydraulic cylinder synchronously extend, the two masts are enabled to be horizontally rotated forwards to a vertical state, the two masts are perpendicular to the ground, the lower ends of the two masts are supported on the ground, then the two hydraulic winches are controlled to start, the two hydraulic winches slowly unwind steel wire ropes, and then the corresponding two full hydraulic power heads are slowly lowered, shaking caused by rapid lowering is avoided, and meanwhile, the four drill bits can be controlled to move through the four-section drill bits to reach the ground by the control of the four-section drill bit real-time control platform; when the two four-section drill bits are 10cm away from the ground, an operator starts the two full-hydraulic power heads through the control table, the two full-hydraulic power heads drive the corresponding drill rods to rotate, the two full-hydraulic power heads transmit torque and pressure to the corresponding four-section drill bits through the corresponding drill rods, after the two four-section drill bits reach the target working rotating speed, the two four-section drill bits start to drill the ground, the two hydraulic winches are controlled to slowly unwind the steel wire ropes, the two full-hydraulic power heads slowly move downwards along the corresponding masts, and the two four-section drill bits slowly move downwards; when the corresponding positioning drill point starts to move downwards to the surface of a soil layer, the positioning drill point can slowly destroy the corresponding soil at the central position, so as to realize the first time of crushing of the soil, after the positioning drill point realizes the first time of crushing of the soil, the drill shaft continuously moves downwards until the lower end edge of the drill rod is contacted with the soil, the bucket teeth at the lower end edge of the drill rod continuously crush soil layer around the positioning drill point for the second time to form massive soil, meanwhile, the first time of expansion of an operation area can be realized in the process of the second time of crushing, then, the drill rod continuously moves downwards until the upper end edge of the drill rod is contacted with the soil, the second time of expansion of the operation area can be realized, the first section of drill shaft is completely drilled into the soil, the medicament in the process of digging and breaking the soil along with the downward movement of the drill rod, the medicament in a medicament box continuously enters into a ring cavity between the corresponding sealing sleeve and the drill rod through each medicament feeding hole on the two sealing sleeves, and then continuously enters the corresponding medicament in the corresponding inner part through the medicament feeding hole on the corresponding sealing sleeve, and the medicament is uniformly sprayed into the soil through the two corresponding drill rod shafts, and the medicament particles in the corresponding drill rod is uniformly sprayed into the soil is transported through the two drill rods, and the medicament particles in the soil is uniformly is transported to be completely sprayed into the soil when the soil is transported through the corresponding drill rod and the soil is broken by the corresponding soil is completely; then the drill rod continuously moves downwards under the action of the full hydraulic power head, large soil crushed by the pit digging spiral blade is conveyed to the periphery of the second section of drill shaft along with the spiral surface of the pit digging spiral blade, the second section of drill shaft starts to drill into the soil, and each serrated knife further crushes the large soil into small-particle-size soil, so that the third crushing of the soil is realized, the third expansion of an operation area is realized, and the second uniform mixing of the medicament and soil particles is also realized; the drill rod continues to move downwards, the second section of drill shaft completely drills into the soil, the third section of drill shaft starts to drill into the soil, the transition helical blades move downwards along with the drill shaft to contact with the soil, meanwhile, each rotary tillage cutter breaks the small-grain-size soil for the fourth time, further, smaller soil is obtained, and meanwhile, the medicament and soil particles can be uniformly mixed for the third time; when the drill rod continues to move downwards, the third section drill shaft completely drills into the soil, the medicament and the soil particles which are uniformly mixed for the third time are conveyed to the periphery of the fourth section drill shaft on the spiral surface of the transition spiral blade, the fourth section drill shaft starts to drill into the soil, and the medicament and the soil particles are fully stirred and uniformly mixed by the uniform mixing spiral blade, so that the fourth uniform mixing of the medicament and the soil particles is realized, and the crushing of the soil particles and the uniform mixing of the medicament are completed; when the four-section drill bit is about to reach the target depth, the steel wire rope lowering speed is slowed down, the positioning drill tip is in flexible contact with the hole bottom, the phenomenon that the excessive steel wire rope is released due to rigid bottoming is avoided, the rope disorder is prevented, after the four-section drill bit reaches the target depth, the two hydraulic winches stop unreeling the steel wire rope, the two full hydraulic power heads continue to work for a certain time, further crushing and mixing operation is kept for a certain time, after the crushing and mixing operation is completed, the two full hydraulic power heads are controlled to slowly reversely rotate, meanwhile, the two hydraulic winches are controlled to start to slowly wind the steel wire rope, the two full hydraulic power heads are lifted to the soil layer surface, soil backfilling is carried out, and soil restoration operation of once deep crushing and mixing is completed.
The method is convenient to control and high in efficiency, and realizes effective improvement of the soil breaking rate, the medicine soil uniform mixing property and the integral operation automation degree and the passivation efficiency of soil heavy metals in the soil heavy metal treatment process with different depths.
The four-section drill bit is scientific in design, reasonable in structure, simple to operate and convenient to control, integrates crushing and mixing, can effectively crush soil particles layer by layer and fully and uniformly mix soil particles.
The invention adopts double-shaft operation, can perform two soil restoration operations at one time, effectively improves the working efficiency, saves the operation frequency and reduces the energy consumption.
Drawings
Fig. 1 is an isometric view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a right side view of fig. 2.
Fig. 4 is a top view of the present invention.
Fig. 5 is a partial enlarged view at a in fig. 1.
Fig. 6 is a partial enlarged view at B in fig. 3.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1-6, the novel in-situ double-shaft four-section type soil restoration device comprises a vehicle body 1, a chassis 2, a crawler-type running gear 3, a cab 4, a power system 5, a hydraulic station, a lifting hanging bracket and a double-shaft soil crushing and mixing four-section type drilling device, wherein the vehicle body 1 is arranged on the upper portion of the chassis 2, the crawler-type running gear 3 is arranged on the left side and the right side of the chassis 2, the cab 4 is arranged on the left front portion of the vehicle body 1, the power system 5 is arranged on the rear portion of the vehicle body 1, the hydraulic station 30 is arranged on the left side of the vehicle body 1, the lifting hanging bracket is arranged on the middle upper portion of the front side of the vehicle body 1, the double-shaft soil crushing and mixing four-section type drilling device is arranged on the lifting hanging bracket, the power system 5 provides power for the crawler-type running gear 3 and the hydraulic station 30 through a power reduction box 29, the hydraulic station 30 provides hydraulic power for the lifting hanging bracket and the double-shaft soil crushing and mixing four-section type drilling device, an operating console is arranged in the cab 4, and the operating console is respectively connected with electric signals of the power system 5, the lifting hanging bracket and the double-shaft soil crushing and the four-section type drilling device.
The lifting hanger comprises two groups of drilling mast components, the two groups of drilling mast components are identical in structure and are symmetrically arranged left and right, the left drilling mast component comprises a mast 6, a triangular support 7, lifting connecting rods 8, a first telescopic synchronous hydraulic cylinder 9 and a second telescopic synchronous hydraulic cylinder 10, the mast 6 is vertically arranged in front of a vehicle body 1, the triangular support 7 is vertically arranged along the front-back direction, three corners of the triangular support 7 are distributed front, lower and back, front side corners of the triangular support 7 are hinged to the lower side of the rear side of the mast 6 and hinge shafts of the triangular support 7 are horizontally arranged along the left-right direction, the lifting connecting rods 8 are horizontally arranged side by side in a left-right side manner and are obliquely arranged between the vehicle body 1 and the triangular support 7 in a front-high-back-low manner, lower ends of the two lifting connecting rods 8 are hinged to the front side edge of the vehicle body 1 and hinge shafts of the lifting connecting rods 8 are horizontally arranged along the left-right direction, the first telescopic synchronous hydraulic cylinders 9 are arranged left and right side by side and are arranged between the two lifting connecting rods 8 in a front-high and rear-low inclined way, the lower ends of the cylinder bodies of the two first telescopic synchronous hydraulic cylinders 9 are hinged on the front side part of the vehicle body 1, the hinge shafts of the two first telescopic synchronous hydraulic cylinders 9 are horizontally arranged along the left-right direction, the piston rods of the two first telescopic synchronous hydraulic cylinders 9 extend forwards and upwards, the upper ends of the piston rods of the two first telescopic synchronous hydraulic cylinders 9 are hinged on the lower sides of the rear corners of the triangular support 7, the hinge shafts of the two first telescopic synchronous hydraulic cylinders 9 are horizontally arranged along the left-right direction, the second telescopic synchronous hydraulic cylinders 10 are arranged left and right side by side and are arranged above the triangular support 7 in a front-high and rear-low inclined way, the lower ends of the cylinder bodies of the two second telescopic synchronous hydraulic cylinders 10 are hinged on the upper sides of the rear corners of the triangular support 7, and the hinge shafts of the two second telescopic synchronous hydraulic cylinders are horizontally arranged along the left-right direction, the piston rods of the two second telescopic synchronous hydraulic cylinders 10 extend forwards and upwards, the upper ends of the piston rods of the two second telescopic synchronous hydraulic cylinders 10 are hinged to the middle of the rear side of the mast 6, the hinge shafts of the two second telescopic synchronous hydraulic cylinders are horizontally arranged along the left-right direction, a steel wire rope hoisting mechanism for hoisting the double-shaft soil crushing and mixing four-section drilling device is arranged on the mast 6, the hydraulic station 30 is respectively connected with each first telescopic synchronous hydraulic cylinder 9 and each second telescopic synchronous hydraulic cylinder 10 through hydraulic pipelines, and the control platform is respectively connected with each first telescopic synchronous hydraulic cylinder 9 and each second telescopic synchronous hydraulic cylinder 10 through hydraulic pipelines.
The steel wire rope hoisting mechanism comprises a hydraulic winch, the hydraulic winch is fixed at the lower part of the rear side of a mast 6, a first fixed pulley 11 positioned above the hydraulic winch is rotatably arranged at the upper side part of the rear side of the mast 6, a crane head 12 horizontally arranged in the front-rear direction is arranged at the upper end of the mast 6, a front U-shaped groove 13 which is transparent up and down and open at the front side is arranged at the front end part of the crane head 12, a rear U-shaped groove 14 which is transparent up and down and open at the rear side is arranged at the rear end part of the crane head 12, a second fixed pulley 15 positioned at the front upper side of the mast 6 is rotatably arranged in the front U-shaped groove 13, a guide sheave 16 positioned right above the first fixed pulley 11 is rotatably arranged in the rear U-shaped groove 14, the central shafts of the first fixed pulley 11, the second fixed pulley 15 and the guide sheave 16 are horizontally arranged in the left-right direction, a steel wire rope wound on a reel of the hydraulic winch stretches upwards and sequentially around the rear side part of the first fixed pulley 11 and the rear upper part of the guide sheave 16, then the steel wire rope horizontally extends forwards around the front upper part of the second fixed pulley 15, then the steel wire rope vertically extends downwards and is connected with a hydraulic motor of a hydraulic control station through a hydraulic control signal cable, and a hydraulic control station of the hydraulic winch, and a hydraulic control station is connected with the hydraulic control system.
The double-shaft soil crushing and chemical mixing four-section drilling device comprises a pesticide feeding box 17 and two soil crushing drilling machine components, wherein the two soil crushing drilling machine components are identical in structure and are vertically and symmetrically arranged on the front sides of two masts 6 respectively, and the pesticide feeding box 17 is arranged on the upper parts of the two soil crushing drilling machine components;
the left soil breaking and drilling machine assembly comprises a full hydraulic power head 18, a drill rod 19 and a four-section drill bit, wherein the full hydraulic power head 18 is vertically and slidably connected to the front side of a left mast 6, the drill rod 19 and the four-section drill bit are vertically arranged, the upper end of the drill rod 19 is coaxially and in transmission connection with the lower end of an output shaft of the full hydraulic power head 18, the lower end of the drill rod 19 is coaxially and in threaded connection with the upper end of the four-section drill bit, the drill rod 19 and the four-section drill bit are of hollow structures, a medicament dragon conveyor is concentrically arranged in the drill rod 19, a hydraulic motor of the medicament dragon conveyor is positioned at the upper end of an inner hole of the drill rod 19, a central shaft of the medicament dragon conveyor is concentrically arranged in the drill rod 19 and the four-section drill bit, the lower end of the central shaft of the medicament dragon conveyor is rotated at the lower end of the inner hole of the four-section drill bit, spiral blades of the medicament dragon conveyor are spirally arranged along the central shaft, a plurality of circumferential arrays are formed in the outer wall of the lower side of the four-section drill bit from top to bottom, medicament discharge holes 20 are communicated with the inside the four-section drill bit, and the hydraulic motor of the full-section drill bit is connected with a hydraulic cable 18 through a hydraulic cable of the hydraulic motor of the hydraulic power station and a hydraulic power station of the full hydraulic power cable 18, and a hydraulic station of the hydraulic power cable is respectively connected to the hydraulic power station of the hydraulic power machine;
the medicine feeding box 17 is horizontally arranged, the medicine feeding cover is arranged on the front side plate of the medicine feeding box 17, the two drill rods 19 vertically penetrate through the medicine feeding box 17, the top plate and the bottom plate of the medicine feeding box 17 are connected with the two drill rods 19 in a rotating mode through sealing bearings, two left-right spaced sealing sleeves are arranged in the medicine feeding box 17, the upper end and the lower end of each sealing sleeve are fixedly connected to the inner surfaces of the top plate and the bottom plate of the medicine feeding box 17 respectively, the two sealing sleeves are sleeved outside the corresponding two drill rods 19 in a concentric mode respectively, the inner diameter of each sealing sleeve is larger than the outer diameter of each drill rod 19, a plurality of medicine feeding holes are formed in the side walls of the two sealing sleeves, and a plurality of medicine feeding holes located in the corresponding sealing sleeves are formed in the side walls of each drill rod 19.
The four-section drill bit comprises a drill shaft 21 and a positioning drill tip 22, wherein the upper end of the drill shaft 21 is coaxially and in threaded connection with the lower end of a drill rod 19, the positioning drill tip 22 is a conical positioning tip with a large upper part and a small lower part, the upper end of the positioning drill tip 22 is welded at the lower end of the drill shaft 21, the drill shaft 21 is a hollow shaft, an inner hole of the drill shaft 21 is correspondingly communicated with the inner hole of the drill rod 19 up and down, the lower end of a central shaft of the medicament auger conveyor rotates at the lower end of the inner hole of the drill shaft 21, the outer circumference of the drill shaft 21 is divided into four sections from bottom to top, a plurality of circumferential arrays of digging spiral blades 23 which are axially and spirally arranged are arranged on the outer circumference of the first section drill shaft 21, each digging spiral blade 23 and each drug discharge hole 20 are circumferentially arranged on the outer circumference of the first section drill shaft 21, the lower end edges of each digging spiral blade 23 extend to the outer circumference of the drill shaft 21, the lower end edges and the upper end edges of each digging spiral blade 23 are provided with bucket teeth 24, a plurality of third spiral blades 27 are uniformly distributed on the outer circumference of the first section drill shaft 21, and a plurality of spiral blades 27 are radially and circumferentially arranged on the third spiral blades 27 are uniformly distributed on the outer circumference of the spiral drill shaft 21; the fourth drill shaft 21 has a uniformly mixed stirring helical blade 28 spirally arranged in the axial direction on the outer circumference thereof.
The diameter of the outer circle of the digging spiral blade 23 is smaller than that of the transition spiral blade 26, the diameter of the outer circle of the uniform mixing spiral blade 28 is smaller than that of the outer circle of the digging spiral blade 23, the diameter of the outer end of the saw blade 25 is larger than that of the outer circle of the digging spiral blade 23 and smaller than that of the transition spiral blade 26, and the diameter of the outer end of the rotary blade 27 is the same as that of the outer circle of the transition spiral blade 26.
The control platform, the hydraulic winch, the medicament dragon conveyor, the medicament adding cover, the sealing sleeve, the sealing bearing, the medicament feeding hole and the medicament feeding hole are not shown in the figure, the chassis 2, the crawler-type running gear 3, the cab 4, the control platform, the power system 5, the hydraulic station 30, the first telescopic synchronous hydraulic cylinder 9, the second telescopic synchronous hydraulic cylinder 10, the hydraulic winch, the full hydraulic power head 18, the power reduction box 29, the medicament dragon conveyor and the positioning drill point 22 are all conventional technologies, the specific structure and the working principle are not repeated, the control platform is equipment for an operator to control the whole vehicle and each moving part in the cab 4, the equipment comprises various control buttons, control rods and the like, and the control equipment commonly used in large engineering vehicles can refer to the conventional medium-large rotary drilling rig; the power system 5 is a diesel engine, an output shaft of the diesel engine drives the crawler-type running gear 3 and the hydraulic station 30 respectively through the power reduction box 29, the diesel engine is started through an electric motor, the conventional technology for starting the vehicle is adopted, the specific working principle is not repeated, and the engine is usually started in automobiles, tractors and large-scale vehicles.
The hydraulic lines and communication lines associated with the present invention are not shown.
The working principle of the invention is as follows: at first, each first telescopic synchronous hydraulic cylinder 9 and each second telescopic synchronous hydraulic cylinder 10 are in a contracted state, then two masts 6 are in a state of being horizontally folded and stored on the upper part of a vehicle body 1, an operator can open a dosing cover to add a medicament into a dosing box 17, after dosing is finished, the dosing cover is closed, the operator drives the novel in-situ double-shaft four-section soil restoration device to a working place in a cab 4, then the operator controls each first telescopic synchronous hydraulic cylinder 9 and each second telescopic synchronous hydraulic cylinder 10 to act through a control console, piston rods of each first telescopic synchronous hydraulic cylinder 9 synchronously extend, so that two masts 6 are upwards lifted under the action of corresponding lifting connecting rods 8, simultaneously, the piston rods of each second telescopic synchronous hydraulic cylinder 10 synchronously extend, the two masts 6 are horizontally rotated forwards to a vertical state, the lower ends of the two masts 6 are vertical to the ground, then the two hydraulic windlass is controlled to start, the two hydraulic windlass slowly unwinds a steel wire rope, and then the corresponding two full-power heads 18 are slowly unwound, and the corresponding drill bit can be prevented from shaking by the four-section drill bit real-time relative to the ground through the control console, and the four-section drill bit control distance can be prevented from being generated by the corresponding drill bit control platform; when the two four-section type drill bits are 10cm away from the ground, an operator starts the two full-hydraulic power heads 18 through the control table, the two full-hydraulic power heads 18 drive the corresponding drill rods 19 to rotate, the two full-hydraulic power heads 18 transmit torque and pressure to the corresponding four-section type drill bits through the corresponding drill rods 19, after the two four-section type drill bits reach the target working rotating speed, the earth boring operation is started, the two hydraulic windlass is controlled to slowly unwind the steel wire ropes, and then the two full-hydraulic power heads 18 slowly move downwards along the corresponding masts 6, and the two four-section type drill bits slowly move downwards; when the corresponding positioning drill point 22 starts to move downwards to the surface of a soil layer, the positioning drill point 22 slowly damages the corresponding soil at the central position, so as to realize the first time of crushing of the soil, after the positioning drill point 22 realizes the first time of crushing of the soil, the drill shaft 21 continues to move downwards until the lower end edge of the hole digging spiral blade 23 contacts the soil, the bucket teeth 24 at the lower end edge of the hole digging spiral blade 23 crush the soil of the soil layer around the positioning drill point 22 for the second time, so as to form massive soil, meanwhile, the first time of expansion of an operation area can be realized in the process of the second time of crushing, then, the drill rod 19 continues to move downwards until the upper end edge of the hole digging spiral blade 23 contacts the soil, the first section of drill rod 21 completely drills into the soil, the medicine in the hole digging spiral blade 23 moves downwards along with the drill rod 19, the medicine in the working process of the hole digging spiral blade is continuously filled with the two medicine supplying holes in the two sealing sleeves into the corresponding cavities between the sealing sleeves and 19, the medicine is filled into the corresponding medicine holes in the two sealing sleeves through the corresponding medicine supplying holes in the two sealing sleeves, the medicine boxes 19 is continuously filled into the corresponding medicine filling holes in the two sealing sleeves, the medicine is filled into the corresponding medicine holes in the two medicine filling boxes in the corresponding drill rod holes 21 is continuously filled into the corresponding drill rod 19, and the medicine is filled into the corresponding medicine is filled into the medicine holes in the two medicine filling boxes, and is filled into the medicine holes in the medicine is filled into the medicine holes, and is filled into the medicine; then the drill rod 19 continues to move downwards under the action of the full hydraulic power head 18, large soil crushed by the pit digging spiral blade 23 is conveyed to the periphery of the second section of drill shaft 21 along with the spiral surface of the pit digging spiral blade 23, the second section of drill shaft 21 starts to drill into the soil, and each serrated knife 25 further crushes the large soil into small-particle-size soil, so that the third crushing of the soil is realized, the third expansion of an operation area is realized, and the second uniform mixing of the medicament and soil particles is also realized; the drill rod 19 continues to move downwards, the second section of drill shaft 21 is completely drilled into the soil, the third section of drill shaft 21 starts to drill into the soil, the transition helical blades 26 move downwards along with the drill shaft 21 to be in contact with the soil, meanwhile, each rotary blade 27 breaks the small-particle-size soil for the fourth time, further, smaller soil is obtained, and meanwhile, the medicament and the soil particles can be uniformly mixed for the third time; when the drill stem 19 continues to move downwards, the third section drill shaft 21 completely drills into the soil, and the medicament and the soil particles which are uniformly mixed for the third time are conveyed to the periphery of the fourth section drill shaft 21 on the spiral surface of the transition spiral blade 26, the fourth section drill shaft 21 starts to drill into the soil, and the medicament and the soil particles are fully stirred and uniformly mixed by the uniform mixing spiral blade 28, so that the fourth uniform mixing of the medicament and the soil particles is realized, and the crushing of the soil particles and the uniform mixing of the medicament are completed; when the four-section drill bit is about to reach the target depth, the steel wire rope lowering speed is slowed down, the positioning drill tip 22 is in flexible contact with the hole bottom, the phenomenon that excessive steel wire ropes are released due to rigid bottoming is avoided, mess ropes are prevented, after the four-section drill bit reaches the target depth, the two hydraulic winches stop unreeling the steel wire ropes, the two full hydraulic power heads 18 continue to work for a certain time, further crushing and mixing operation is kept for a certain time, after the crushing and mixing operation is completed, the two full hydraulic power heads 18 are controlled to slowly reversely rotate, meanwhile, the two hydraulic winches are controlled to start to slowly roll the steel wire ropes, the two full hydraulic power heads 18 are lifted to the soil layer surface, soil backfilling is carried out, and soil restoration operation of primary deep crushing and mixing is completed.
The method is convenient to control and high in efficiency, and realizes effective improvement of the soil breaking rate, the medicine soil uniform mixing property and the integral operation automation degree and the passivation efficiency of soil heavy metals in the soil heavy metal treatment process with different depths.
The four-section drill bit is scientific in design, reasonable in structure, simple to operate and convenient to control, integrates crushing and mixing, can effectively crush soil particles layer by layer and fully and uniformly mix soil particles.
The invention adopts double-shaft operation, can perform two soil restoration operations at one time, effectively improves the working efficiency, saves the operation frequency and reduces the energy consumption.
The above embodiments are merely for illustrating the technical aspects of the present invention, and it should be understood by those skilled in the art that the present invention is described in detail with reference to the above embodiments; modifications and equivalents may be made thereto without departing from the spirit and scope of the invention, which is intended to be encompassed by the claims.
Claims (6)
1. Novel normal position biax syllogic soil restoration device, its characterized in that: including automobile body, chassis, crawler-type running gear, the driver's cabin, a power system, hydraulic pressure station, lift gallows and biax soil are broken to mix medicine syllogic drilling device, the automobile body sets up the upper portion on the chassis, crawler-type running gear installs the left and right sides on chassis, the driver's cabin sets up the left front portion at the automobile body, a power system sets up the rear portion at the automobile body, hydraulic pressure station sets up the left side portion at the automobile body, lift gallows sets up the upper portion in the front side of automobile body, biax soil is broken to mix medicine syllogic drilling device installs on the lift gallows, a power system provides power for crawler-type running gear and hydraulic pressure station through the power reducing gear box, hydraulic pressure station provides hydraulic power for lift gallows and biax soil broken to mix medicine syllogic drilling device, be equipped with the control platform in the driver's cabin, control the platform respectively with lift gallows and biax soil broken to mix medicine syllogic drilling device electric signal connection.
2. The novel in-situ biaxial four-segment soil restoration device according to claim 1, characterized in that: the lifting hanger comprises two groups of drilling mast components, the two groups of drilling mast components are identical in structure and are symmetrically arranged left and right, the left drilling mast component comprises a mast, a triangular support, lifting connecting rods, a first telescopic synchronous hydraulic cylinder and a second telescopic synchronous hydraulic cylinder, the mast is vertically arranged in front of a vehicle body, the triangular support is vertically arranged in front of and behind the vehicle body, three corners of the triangular support are distributed front, down and back, front corners of the triangular support are hinged to the lower side of the rear side of the mast, hinge shafts of the triangular support are horizontally arranged in left and right directions, the lifting connecting rods are horizontally arranged side by side and are obliquely arranged between the vehicle body and the triangular support in front-back high and low, lower ends of the two lifting connecting rods are hinged to the front side edge of the vehicle body and the hinge shafts of the lifting connecting rods are horizontally arranged in left and right directions, upper ends of the two lifting connecting rods are hinged to the lower corners of the triangular support and the hinge shafts of the lifting connecting rods are horizontally arranged in left and right directions, the first telescopic synchronous hydraulic cylinders are arranged left and right side by side and are arranged between the two lifting connecting rods in a front-high and rear-low inclined way, the lower ends of the cylinder bodies of the two first telescopic synchronous hydraulic cylinders are hinged to the front side part of the vehicle body, the hinge shafts of the two first telescopic synchronous hydraulic cylinders are horizontally arranged along the left-right direction, the piston rods of the two first telescopic synchronous hydraulic cylinders extend forwards and upwards, the upper ends of the piston rods of the two first telescopic synchronous hydraulic cylinders are hinged to the lower sides of the rear corners of the triangular support and the hinge shafts of the two first telescopic synchronous hydraulic cylinders are horizontally arranged along the left-right direction, the second telescopic synchronous hydraulic cylinders are arranged left and right side by side and are arranged above the triangular support in a front-high and rear-low inclined way, the lower ends of the cylinder bodies of the two second telescopic synchronous hydraulic cylinders are hinged to the upper sides of the rear corners of the triangular support and the hinge shafts of the two second telescopic synchronous hydraulic cylinders are horizontally arranged along the left-right direction, the piston rod upper ends of the two second telescopic synchronous hydraulic cylinders are both hinged to the middle part of the rear side of the mast, the hinge shafts of the two second telescopic synchronous hydraulic cylinders are horizontally arranged along the left-right direction, a steel wire rope lifting mechanism for lifting the double-shaft soil crushing and drug mixing four-section drilling device is arranged on the mast, the hydraulic station is respectively connected with each first telescopic synchronous hydraulic cylinder and each second telescopic synchronous hydraulic cylinder through a hydraulic pipeline, and the control table is respectively connected with each first telescopic synchronous hydraulic cylinder and each second telescopic synchronous hydraulic cylinder through signals.
3. The novel in-situ biaxial four-segment soil restoration device according to claim 2, characterized in that: the steel wire rope hoisting mechanism comprises a hydraulic winch, the hydraulic winch is fixed at the lower part of the rear side of a mast, a first fixed pulley positioned above the hydraulic winch is rotatably arranged at the upper side of the rear side of the mast, a crane head horizontally arranged along the front-rear direction is arranged at the upper end of the mast, a front U-shaped groove which is transparent up and down and open at the front side is formed at the front end of the crane head, a rear U-shaped groove which is transparent up and down and open at the rear side is formed at the rear end of the crane head, a second fixed pulley positioned at the front upper side of the mast is rotatably arranged in the front U-shaped groove, a guide sheave positioned right above the first fixed pulley is rotatably arranged in the rear U-shaped groove, the central shafts of the first fixed pulley, the second fixed pulley and the guide sheave are horizontally arranged along the left-right direction, a steel wire rope wound on the drum of the hydraulic winch extends upwards and sequentially winds at the rear upper part of the rear side of the first fixed pulley, then the steel wire rope horizontally extends forwards and winds at the front upper part of the second fixed pulley, then the steel wire rope vertically extends downwards and is connected with the top of the double-shaft soil breaking and mixing four-section hoisting device, a hydraulic motor is connected with a hydraulic motor of the hydraulic winch through a hydraulic control valve.
4. A novel in-situ biaxial four-segment soil restoration device according to claim 3, characterized in that: the double-shaft soil crushing and chemical mixing four-section drilling device comprises a pesticide feeding box and two soil crushing drilling machine components, wherein the two soil crushing drilling machine components are identical in structure and are vertically arranged on the front sides of two masts respectively in bilateral symmetry, and the pesticide feeding box is arranged on the upper parts of the two soil crushing drilling machine components;
the left soil breaking drilling machine component comprises a full hydraulic power head, a drill rod and a four-section drill bit, wherein the full hydraulic power head is vertically and slidably connected to the front side of a left mast, the drill rod and the four-section drill bit are vertically arranged, the upper end of the drill rod is coaxially and in transmission connection with the lower end of an output shaft of the full hydraulic power head, the lower end of the drill rod is coaxially and in threaded connection with the upper end of the four-section drill bit, the drill rod and the four-section drill bit are of hollow structures, a medicament dragon conveyor is concentrically arranged in the drill rod, a hydraulic motor of the medicament dragon conveyor is positioned at the upper end of an inner hole of the drill rod, a central shaft of the medicament dragon conveyor is concentrically arranged in the drill rod and the four-section drill bit, a helical blade of the medicament dragon conveyor is spirally arranged along the central shaft of the drill rod, a plurality of circumferential arrays are arranged on the outer wall of the lower side of the four-section drill bit and are internally communicated with the four-section drill bit, the top of the full hydraulic power head is connected with a hydraulic cable of a hoisting machine at the left side, and a hydraulic station of the hydraulic motor of the full hydraulic power head is respectively connected with a hydraulic power station of the hydraulic power head through a hydraulic power station and a hydraulic power pipeline;
the medicine feeding box is horizontally arranged, the medicine feeding cover is arranged on the front side plate of the medicine feeding box, the two drill rods vertically penetrate through the medicine feeding box, the top plate and the bottom plate of the medicine feeding box are connected with the two drill rods in a rotating mode through sealing bearings, two left-right spaced sealing sleeves are arranged in the medicine feeding box, the upper ends and the lower ends of the sealing sleeves are fixedly connected to the inner surfaces of the top plate and the bottom plate of the medicine feeding box respectively, the two sealing sleeves are sleeved outside the corresponding two drill rods in a concentric mode respectively, the inner diameter of each sealing sleeve is larger than the outer diameter of each drill rod, a plurality of medicine feeding holes are formed in the side walls of the two sealing sleeves, and a plurality of medicine feeding holes located in the corresponding sealing sleeves are formed in the side walls of each drill rod.
5. The novel in-situ biaxial four-segment soil restoration device according to claim 4, characterized in that: the four-section drill bit comprises a drill shaft and a positioning drill tip, wherein the upper end of the drill shaft is coaxially and in threaded connection with the lower end of a drill rod, the positioning drill tip is a conical positioning tip with a large upper part and a small lower part, the upper end of the positioning drill tip is welded at the lower end of the drill shaft, the drill shaft is a hollow shaft, an inner hole of the drill shaft is correspondingly communicated with the inner hole of the drill rod up and down, the lower end of a central shaft of the medicament dragon conveyor rotates at the lower end part of the inner hole of the drill shaft, the outer circumference of the drill shaft is divided into four sections from bottom to top, the outer circumference of the drill shaft is provided with a plurality of circumferential arrays and spiral blades which are spirally arranged along the axial direction, each circumferential array of drug discharge holes is arranged on the outer circumference of the first section drill shaft, each spiral blade is circumferentially and alternately arranged with drug discharge holes, the lower end edges of each spiral blade extend to the outer circumference of the drill shaft, the lower end edges of each spiral blade are provided with bucket teeth, the outer circumference of the second section drill shaft is uniformly distributed with a plurality of circumferential arrays and radially arranged along the third spiral blades, and the third spiral blades are radially and circumferentially arranged along the third spiral blades are uniformly arranged along the transition section; and the outer circumference of the fourth section of drill shaft is spirally provided with uniform mixing stirring helical blades along the axial direction.
6. The novel in-situ biaxial four-segment soil restoration device according to claim 5, characterized in that: the diameter of the outer circle of the digging spiral blade is smaller than that of the transition spiral blade, the diameter of the outer circle of the uniformly mixed stirring spiral blade is smaller than that of the digging spiral blade, the diameter of the outer circle of the sawtooth cutter is larger than that of the digging spiral blade and smaller than that of the transition spiral blade, and the diameter of the outer circle of the rotary blade is the same as that of the transition spiral blade.
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| CN202310067207.XA CN116274326A (en) | 2023-02-06 | 2023-02-06 | Novel in-situ double-shaft four-section type soil restoration device |
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| CN202310067207.XA CN116274326A (en) | 2023-02-06 | 2023-02-06 | Novel in-situ double-shaft four-section type soil restoration device |
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| CN104604374A (en) * | 2015-02-15 | 2015-05-13 | 李阳铭 | Screw drilling rod of deep ploughing, grinding and ridging machine |
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