CN214005675U - Collapsible loess reinforcing construction pile machine - Google Patents

Abstract

The utility model provides a collapsible loess consolidates construction stake machine drives the vibration of vibrating arm through the bobbing to effect through auxiliary medium makes the structural damage and the closely knit reorganization of loess around the vibration point, makes the collapsible nature of loess eliminate, forms closely knit stake, consolidates closely knit stake and peripheral loess, with satisfy the intensity requirement, auxiliary medium is highly compressed gaseous phase medium and/or liquid phase medium. The method has the advantages of convenient construction and simple operation, embodies the concepts of environmental protection and energy conservation, reduces the construction cost, and mainly has the following advantages: the construction method does not use materials, and is low-carbon, environment-friendly and energy-saving; the construction efficiency is high, and the construction cost is low; after construction, the collapsibility of the loess is completely eliminated, the strength is high, the next procedure can be immediately carried out, waiting for the age is not needed, and the construction period is saved; the intelligent operation can be carried out, the labor cost is reduced, and the construction quality is ensured.

Description

Collapsible loess reinforcing construction pile machine

Technical Field

The utility model relates to a technical field of foundation processing method, especially a collapsible loess reinforcement construction stake machine.

Background

A large amount of loess is distributed in northwest areas of China, the loess has the characteristics of deep layer thickness, wide distribution and complex cause types, the area reaches 63 ten thousand square kilometers, and the loess occupies about 6.6 percent of the area of the national soil. In the process of forming loess, carbonate, calcium sulfate and the like are dried due to local climate, carbonate, calcium sulfate and the like contained in the soil are separated out on the surface of the soil to form a cementing material, and the cementing material, adhesive water and capillary water form better viscosity together, so that large holes and pores formed in the soil in dead-weight summer can not be solidified and are in an under-solidified state, after the soil is wetted by water, water molecules are introduced among particles to destroy original connection and cause salt dissolution, the shear strength is reduced, under the action of dead weight or external force, a soil framework is destroyed, and soil particles fall into the large holes or are compacted to cause wet collapse. The collapse is easy to occur under the action of external loads (such as earthquakes, engineering vibration and the like) and water, and landslide, seismic subsidence and wet subsidence occur. There are three main reasons for loess collapse: the mechanical property of loess changes the condition that the loess is immersed in water and subjected to external load factors, so that the shear stress exceeds the shear strength, and thus the loess is subjected to collapse. Secondly, the soil is infiltrated by water, the self friction of the soil is reduced, and the soil is subjected to the action of external force to cause the collapse. And thirdly, the inner structure of the loess is disintegrated, so that the bonding strength among the loess particles is weakened, the loess particles migrate relatively, and small particles enter large gaps along with the loess particles. Meanwhile, because the cementation between particles is dissolved by water, the strength is unbalanced under the action of external disturbance, and the soil structure is damaged.

In the construction of collapsible loess areas, if the foundation is not treated properly, the building is unevenly settled, and the building and the structure are largely deformed. In recent years, accidents caused by the accidents are increased sharply, so that the lives and properties are threatened seriously, and huge economic losses are born by the nation and the society. With the continuous promotion of the construction of the economic zone of one-by-one and the stable implementation of the western major development strategy in China, the scale of the engineering construction in the loess area is larger and larger, and the problem of loess foundation treatment becomes the key point and the difficulty of the attention in the fields of engineering geology and geotechnical engineering.

The common collapsible loess foundation treatment methods comprise a dynamic compaction method, a soil replacement cushion layer method, a pile compaction method, a chemical reinforcement method and the like, and the reinforcement methods are widely used at present and generally have the defects of high manufacturing cost, low work efficiency, environmental pollution and the like through a large amount of engineering practices.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to prior art, a collapsible loess reinforcement construction stake machine that efficient, time limit for a project short, intensity is high is proposed.

The to-be-solved technical problem of the utility model is realized through following technical scheme, a collapsible loess reinforcement construction stake machine, including mobilizable chassis, mast, promotion hoist, bobbing hammer and vibrating arm, the upper end and the bobbing hammer of vibrating arm meet, and the lower extreme of vibrating arm is connected with the drill bit portion, and its characteristics are: be equipped with auxiliary medium conveying system, auxiliary medium conveying system exports and sets up the upper portion import on vibrting spear upper portion including setting up in the lower of drill bit portion, the vibrting spear sets up the transfer passage to auxiliary medium, the upper portion import is met with gas-liquid supply mechanism through the air supply line, gas-liquid supply mechanism includes a high pressure gas holder and provides high-pressure gas's air compressor machine for high pressure gas holder, high pressure gas holder passes through the constant pressure valve and meets with the air supply line, be equipped with liquid phase medium on the air supply line and insert the mouth, liquid phase medium through the liquid phase medium of measurement inserts the mouth input, it backfills the mechanism to be equipped with the loess in chassis front portion, and be equipped with the vibration disc with vibrting spear accordant connection.

The utility model discloses the technical problem that solve can also further realize through following technical scheme, is equipped with liquid supply tank and high-pressure measuring pump, and the liquid phase medium inserts the mouth and meets with high-pressure measuring pump.

The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, and the vibrating arm is equipped with hollow core pipe, and the conveying passageway of core pipe structure auxiliary medium is radial distribution at the core pipe periphery and has a plurality of broken earth blades.

The utility model discloses the technical problem who solves can also further realize through following technical scheme, and the outer edge of broken earth blade sets up to the cockscomb structure, and the region between the adjacent broken earth blade is equipped with a plurality of broken earth cross arms, and vertical spaced is provided with the hack through-hole on broken earth blade.

The utility model discloses the technical problem who solves can also further realize through following technical scheme, and drill bit portion is equipped with the core bar with the vibrating arm butt joint, is radial distribution at the core bar periphery and has a plurality of triangle-shaped to bore the leaf, is equipped with the medium injection chamber that is linked together with the auxiliary medium transfer passage of vibrating arm in the core bar, is equipped with on the core bar to pour into the communicating medium blowout mouth in chamber with above-mentioned medium into.

The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, and the bottom of core bar is connected with the drill point.

The utility model discloses the technical problem who solves can also further realize through following technical scheme, is equipped with loess backfill mechanism in the chassis front portion, and loess backfill mechanism includes a spiral defeated native device, and the chassis front portion is equipped with the support of installation spiral defeated native device, but spiral defeated native device dress is in a level to wobbling rocker below, and the rocker is articulated with above-mentioned support, is equipped with rocker actuating mechanism between rocker and the support.

The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, be equipped with the elevating gear who adjusts spiral soil conveying device and cut the native degree of depth between spiral soil conveying device and the rocker.

The to-be-solved technical problem of the utility model can also further realize through following technical scheme, the spiral is defeated native device includes that a cuts native rotation axis, is equipped with the spiral on the rotation axis and cuts native conveyor blade, cuts native rotation axis top and is equipped with the apron.

The utility model discloses the technical problem that solve can also further realize through following technical scheme, be equipped with the vibrating arm accordant connection vibration disc, vibration disc and vibrating arm external diameter phase-match, the drill bit portion of tip passes through the bolt connection under vibration disc and the vibrating arm.

The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, be equipped with the centering conveying mechanism who is used for carrying vibration disc to vibrating arm bottom and automatic centering in the chassis front portion.

The to-be-solved technical problem of the utility model can also further realize through following technical scheme, and centering conveying mechanism includes a tray that is used for placing the vibration disc, but is equipped with the slip table structure that the back-and-forth movement, removes about, reciprocates and realize the centering and adjust between tray and the chassis.

The technical problem to be solved by the utility model can be further realized by the following technical proposal,

compared with the prior art, the utility model, beneficial effect: this stake machine construction convenience, easy operation have embodied environmental protection, energy-conserving theory, have reduced engineering cost, and its advantage mainly has:

(1) the construction pile machine does not use materials, and is low-carbon, environment-friendly and energy-saving;

(2) the construction efficiency is high, and the construction cost is low;

(3) after construction, the collapsibility of the loess is completely eliminated, the strength is high, the next procedure can be immediately carried out, waiting for the age is not needed, and the construction period is saved;

the intelligent operation can be carried out, the labor cost is reduced, and the construction quality is ensured.

Drawings

FIG. 1 is a schematic view of the structure of the machine for reinforcing columns of the present invention;

FIG. 2 is a schematic view of a gas-liquid supply mechanism;

FIG. 3 is a schematic structural view of a vibrating disk centering conveying mechanism;

FIG. 4 is a schematic structural view of a loess backfill mechanism;

FIG. 5 is a schematic view of a vibrating rod;

FIG. 6 is a sectional view of several structures of a vibration rod;

FIG. 7 is a schematic view of a drill bit portion;

FIG. 8 is a schematic cross-sectional view of several configurations of the bit portion;

fig. 9 is a construction process diagram for the reinforcement operation of collapsible loess.

Detailed Description

The embodiments of the present invention will be described in detail below, so as to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, and to make those skilled in the art understand the present invention further, and in the following, the embodiments of the present invention will be combined to clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A collapsible loess reinforcing construction pile machine comprises a movable chassis 3, a mast 4, a lifting winch 2, a vibration hammer 5 and a vibration rod 6, wherein the upper end of the vibration rod is connected with the vibration hammer, the lower end of the vibration rod is connected with a drill bit part 8, an auxiliary medium conveying system 1 is arranged, the auxiliary medium conveying system comprises a lower outlet arranged at the drill bit part and an upper inlet arranged at the upper part of the vibration rod, the vibration rod is arranged as a conveying channel of an auxiliary medium, the upper inlet is connected with a gas-liquid supply mechanism 1 through an air supply pipeline 7, the gas-liquid supply mechanism comprises a high-pressure gas storage tank 12 and an air compressor 11 for supplying high-pressure gas to the high-pressure gas storage tank, the high-pressure gas storage tank is connected with the air supply pipeline 7 through a constant pressure valve 13, the air supply pipeline is provided with a liquid-phase medium access port, the metered liquid-phase medium is input through the liquid-phase medium access port, and the front part of the chassis is provided with a loess backfilling mechanism, and a vibration disk which is connected with the vibration rod in a matching way is arranged. The device is provided with a liquid supply tank 15, a water valve 16 and a high-pressure metering pump 14, and a liquid medium access port is connected with the high-pressure metering pump.

The vibrating rod is provided with a hollow core pipe 33 which constitutes a conveying channel of the auxiliary medium, and a plurality of soil breaking blades 31 are radially distributed on the periphery of the core pipe.

Broken soil blade outer edge sets up to cockscomb structure 34, and the region between the adjacent broken soil blade is equipped with a plurality of broken soil cross arms 35, and vertical spaced is provided with hack through-hole 32 on broken soil blade.

The drill bit part is provided with a core rod 40 butted with the vibrating rod, a plurality of triangular drill blades 37 are radially distributed on the periphery of the core rod, a medium injection cavity communicated with the auxiliary medium conveying channel of the vibrating rod is arranged in the core rod, and a medium ejection port 39 communicated with the medium injection cavity is arranged on the core rod.

The bottom end of the core rod is connected with a drill tip 36. The core rod 40 is provided with a cleaning hole 38 below the medium ejection port, and the cleaning hole is in a closed state in the working process.

The loess backfilling mechanism 9 is arranged at the front part of the chassis and comprises a spiral soil conveying device, the front part of the chassis is provided with a support 22 for mounting the spiral soil conveying device, the spiral soil conveying device is arranged below a swinging frame 23 which can horizontally swing, the swinging frame is hinged with the support, and a swinging frame driving mechanism is arranged between the swinging frame and the support.

A lifting device 24 for adjusting the soil cutting depth of the spiral soil conveying device is arranged between the spiral soil conveying device and the swing frame.

The spiral soil conveying device comprises a soil cutting rotating shaft 26, wherein spiral soil cutting conveying blades 27 are arranged on the rotating shaft, and a cover plate 25 is arranged above the soil cutting rotating shaft.

The cover plate 25 is connected with the swing frame through the lifting device 24, the swing frame driving mechanism comprises a hydraulic rotary oil cylinder 29 vertically arranged on the support, and a multi-stage up-and-down motion oil cylinder 28 is connected between the lower end part of an output shaft of the rotary oil cylinder and the cover plate 25.

The vibration disc 20 is connected with the vibration rod in a matching mode, the vibration disc is matched with the outer diameter of the vibration rod, and the vibration disc is connected with a drill bit portion at the lower end portion of the vibration rod through a bolt.

And a centering conveying mechanism 10 for conveying the vibration disk to the bottom of the vibration rod and automatically centering is arranged at the front part of the chassis.

The centering conveying mechanism comprises a tray 21 for placing the vibrating disk 20, and a sliding table structure which can move back and forth, left and right and up and down to realize centering adjustment is arranged between the tray and the chassis. Comprises a front-back moving oil cylinder 18, a left-right moving oil cylinder 17 and an up-down moving oil cylinder 19.

The specific operation is as follows:

a. leveling the field: leveling the field to an elevation according to design requirements;

b. lofting: according to design requirements, well placing construction points;

c. positioning: moving an intelligent vibrating rod compaction pile machine, and aligning a combined drill bit to the placed pile position; the combined drill bit is formed by freely combining Y-shaped, six-claw-shaped, cross-shaped and meter-shaped drill bits in a threaded connection mode, the drill bits in various shapes are generally 50-80cm in length, the aim is to cut the soil body for multiple times and destroy the soil body structure by combining the drill bits in different shapes in view of high structural performance of collapsible loess, the soil body structure is conveniently reconstructed by vibrating compaction, and the principle of combination is that a vibrating hammer is in the working range of 12-18HZ frequency, and soil blocks are not clamped between the drill bit blades in each shape; the bottom of the combined drill bit is in a Y shape or a cross shape with few blades, so that the combined drill bit is convenient to break the ground when entering the ground, and the conical tip is arranged at the bottommost part, so that the pile position can be accurately positioned and the guiding function of the combined drill bit when entering the ground is convenient; the bottommost drill bit of the combined drill bit consists of round steel and a triangular steel plate with a certain thickness, the round steel is drilled with a cleaning hole, a nozzle and a water or air vent, the cleaning hole is arranged at the lower part of the nozzle and has a certain distance so as to be convenient for precipitating impurities and cleaning, a plug is arranged on the nozzle, a hole with the diameter of 1-2mm is drilled on the plug, the hole is conical, the outer part is large and the inner part is small so that sprayed water or high-pressure air is vaporous, the function of the combined drill bit is to eliminate the collapsibility and cut a soil body so as to granulate the soil body, and vibration compaction and recombination are facilitated; the upper part of the combined drill bit adopts a six-claw type and Chinese character 'mi' type drill bit with more blades; the blades of the combined drill bit are triangular, so that soil breaking is facilitated, and the circular holes are formed in the blades, so that the cut and broken soil can move among the blades under vibration of a certain frequency and can be broken again;

d. the displayed data is collected by a verticality sensor (the precision: 0.005 degree), and the verticality is adjusted;

e. starting a vibration hammer (according to geological conditions, the working frequency is generally between 12 and 18 HZ), starting a winch, loosening a steel wire rope at a certain speed (the speed of loosening the steel wire rope is based on the condition that the steel wire rope is kept in a tensioning state), and enabling a combined drill bit to enter the soil;

f. the lower part of the vibrating rod is connected with the combined drill bit through threads or a clamping plate, the upper part of the vibrating rod is connected with the vibrating hammer through a flange, and the vibrating rod gradually enters the soil under the combined action of the self weight and the exciting force of the vibrating hammer; the vibrating rod is cross-shaped and is formed by welding a steel pipe and four blades with certain thickness, the inner hole of the steel pipe is used as a channel for water or high-pressure air, the upper part of the steel pipe is provided with a joint to be connected with a conveying pipe, the outer sides of the blades are triangular and zigzag, and the vibrating rod has the effect of better breaking the soil under the action of a vibrating hammer; four pieces of triangular iron with certain size are welded on the blade at certain intervals, the triangular iron is vertical to the blade, the welding position of the triangular iron and the blade on the upper layer of the triangular iron is opposite to the position of the blade welded by the triangular iron on the lower layer, the welding position of each layer of the triangular iron is alternately carried out, and the effect is that the soil is repeatedly broken under the action of a vibration hammer; round holes with certain sizes are arranged on the blades at certain intervals, and the effect is that the soil after being cut and crushed can move mutually between the blades under the vibration of certain frequency and be crushed again;

g. when the combined drill bit enters the soil, the air and water supply device is started; collapsible loess has different structure and water content according to different causes, but has collapsible property, generally has stronger structure when the water content is lower, but the strength is rapidly reduced when the water content is met; when the water content is higher, the fabric has certain collapsibility although the structure is not strong; in order to eliminate the collapsible property and ensure the reinforcement strength, an air supply and water supply device is additionally arranged, when the natural water content of the collapsible loess is higher, air supply and water supply are carried out (the sum of the water supply amount and the backfill natural water content is not more than the optimum reinforcement water content), and when the natural water content of the collapsible loess is more than the optimum reinforcement water content, only air supply and no water supply are carried out (the excessive water content is prevented, and the reinforcement strength is reduced); the air and water supply device consists of an air compressor, an air storage tank, an air valve, a water tank, a water valve, a flowmeter and the like; when the combined type water-saving and water-saving device works, the air compressor is started, the generated high-pressure air is delivered to the air storage tank (the pressure is generally controlled to be 0.5-1.0 Mpa according to needs), when air and water are supplied, the air valve is firstly opened, then the water valve is opened, the high-pressure air forms negative pressure on water when passing through the three-way pipe, the water is taken out (the water quantity is controlled by the water valve through the display of the flow meter), the high-pressure air is mixed with a certain water quantity and is sprayed out from the combined drill bit nozzle in a mist shape through the delivery pipe and the vibrating rod, and the effect is to cut soil; when only air is supplied, the air valve is opened, high-pressure air is sprayed out from the nozzle of the combined drill bit in a mist shape through the conveying pipe and the vibrating rod, and the effect of the high-pressure air is to cut soil;

h. after the combined drill bit enters the soil, soil is crushed under the combined action of blade cutting in different directions and high-pressure gas impact, the crushed soil flows through the circular holes on the blades under the influence of the vibration frequency of the vibration hammer and is crushed again, the vibration rod enters the soil along with the increase of the depth, the crushed soil is crushed under the vibration action of the blades in different directions of the vibration rod, meanwhile, the crushed soil flows among the circular holes of the blades of the vibration rod and is crushed until the designed depth is reached, and in the process, the water injection amount is uniformly sprayed at one time according to the difference value between the natural water content of the soil and the optimal reinforcement water content;

i. stopping the rotation of the winch, closing the water valve, keeping air supply and keeping vibration for 5-15 seconds;

j. the winch rotates reversely, starts to lift (keeps supplying air) at a certain speed, and rotates reversely every 2-3 meters, so that the combined drill bit and the vibration drill bit downwards to perform reverse insertion, the combined drill bit has the function of compacting the soil after crushing and recombination until the combined drill bit is lifted out of the ground, and holes of 2-3 meters are generally formed in the processes;

k. the vibration hammer stops vibrating, the tray mechanism is started, the vibration disc (the diameter of the vibration disc is equal to that of the combined drill bit) is sent to the bottom of the combined drill bit, then the vibration disc is fixed to the bottom of the combined drill bit through the bolt, and the tray mechanism is removed; the tray mechanism consists of a left-right movement oil cylinder, a left-right auxiliary rod, a guide wheel, a slideway, a front-back movement oil cylinder, a front-back auxiliary rod, an up-down movement oil cylinder, an up-down auxiliary rod, a tray and a vibration disc; the vibrating disc is placed on the tray, when the vibrating disc needs to be installed, the vibrating disc is conveyed to the bottom of the combined drill bit through the action of the left-right, front-back and up-down moving oil cylinders, a cross groove is formed in the center of the vibrating disc, triangular irons are arranged on the sides of the groove, the inclination angle of the triangular irons is consistent with that of blades at the bottom of the combined drill bit, the vibrating disc is tightly assembled and positioned with the bottom of the combined drill bit, the triangular irons on the vibrating disc are tightly combined with the blades at the bottom of the combined drill bit, stress concentration is dissipated during working, the vibrating disc is protected from being damaged, and the vibrating disc is fixed by bolts after being assembled with the combined drill bit; when the vibrating disc is moved away, the bolt is firstly pulled out and is moved to a set position through the actions of the left-right, front-back and up-down moving oil cylinders; the auxiliary rod is used for increasing the strength of the oil cylinder working system and preventing the oil cylinder from rotating during working;

starting a vibration hammer, starting a winch, loosening a steel wire rope at a certain speed, vibrating the soil body at the upper part in the hole by a vibration disc to be compact, reversing the winch, and lifting the vibration disc out of the ground;

m, opening the soil feeding mechanism, feeding soil on the ground outside the hole into the hole, and filling the hole; the soil conveying mechanism comprises an upward rotating moving oil cylinder, an upward and downward moving oil cylinder, a multi-stage upward and downward moving oil cylinder, a hinge joint, a helical blade, a hydraulic motor (motor) and the like; when soil needs to be fed, the up-and-down motion oil cylinder and the multi-stage up-and-down motion oil cylinder are started to move downwards (the two oil cylinders work synchronously), then the hydraulic motor (motor) is started, a certain rotation speed is kept, the speed is controlled based on the feeding of the soil into the hole, when the helical blade enters the soil, the up-and-down motion oil cylinder is started to rotate in a reciprocating mode within a certain range, after the helical blade starts to enter the soil, the motion speeds of the up-and-down motion oil cylinder and the multi-stage up-and-down motion oil cylinder are controlled, the normal soil output is guaranteed to be accurate, and the phenomenon that the speed is too high, the load is too high, and the equipment is damaged is avoided; when the soil is not needed to be conveyed, the upward-rotating moving oil cylinder and the hydraulic motor (motor) are closed, the upward-downward moving oil cylinder and the multi-stage upward-downward moving oil cylinder move upwards, and when the ground is at a certain height, the movement is stopped;

n, reversely rotating the winch, loosening the steel wire rope at a certain speed, vibrating the soil body backfilled in the hole by the vibrating disc to compact the soil body,

o, repeating m and n until the holes are filled;

p, stopping the vibration hammer, loosening the steel wire rope at a certain speed by the winch, using the self weight of the vibration hammer, the vibration rod and the combined drill bit, and using the vibration disc to carry out static pressure on soil at the hole opening;

q, reversing the winch, lifting the combined drill bit, opening the tray mechanism, conveying the tray to the position below the vibrating disc, pulling out the plug pin, and moving the vibrating disc away;

and r, completing collapsible loess construction (the construction process is shown in the attached drawing).

s, after determining each construction parameter through technical pile testing, inputting the construction parameters into a control program, and carrying out automatic operation on each action;

all construction parameters are transmitted to the cloud processor in real time, the monitoring system monitors the working condition of the construction equipment in real time through the cloud processor, and when illegal construction or abnormal conditions occur, the machine can be shut down through remote operation.

Claims (12)

1. The utility model provides a collapsible loess reinforcement construction stake machine, includes mobilizable chassis, mast, promotion hoist, bobbing hammer and vibrting spear, the upper end and the bobbing hammer of vibrting spear meet, the lower extreme of bobbing spear is connected with drill bit portion, its characterized in that: be equipped with auxiliary medium conveying system, auxiliary medium conveying system exports and sets up the upper portion import on vibrting spear upper portion including setting up in the lower of drill bit portion, the vibrting spear sets up the transfer passage to auxiliary medium, the upper portion import is met with gas-liquid supply mechanism through the air supply line, gas-liquid supply mechanism includes a high pressure gas holder and provides high-pressure gas's air compressor machine for high pressure gas holder, high pressure gas holder passes through the constant pressure valve and meets with the air supply line, be equipped with liquid phase medium on the air supply line and insert the mouth, liquid phase medium through the liquid phase medium of measurement inserts the mouth input, it backfills the mechanism to be equipped with the loess in chassis front portion, and be equipped with the vibration disc with vibrting spear accordant connection.

2. The collapsible loess reinforcing construction pile machine as claimed in claim 1, wherein: the liquid medium feeding port is connected with the high-pressure metering pump.

3. The collapsible loess reinforcing construction pile machine as claimed in claim 1, wherein: the vibrating rod is provided with a hollow core pipe which constitutes an auxiliary medium conveying channel, and a plurality of soil breaking blades are radially distributed on the periphery of the core pipe.

4. The collapsible loess reinforcing construction pile machine as claimed in claim 3, wherein: the outer edge of each soil breaking blade is arranged to be a sawtooth shape, a plurality of soil breaking cross arms are arranged in the area between every two adjacent soil breaking blades, and soil breaking through holes are formed in the soil breaking blades at vertical intervals.

5. The collapsible loess reinforcing construction pile machine as claimed in claim 1, wherein: the drill bit part is provided with a core rod butted with the vibrating rod, a plurality of triangular drill blades are radially distributed on the periphery of the core rod, a medium injection cavity communicated with the auxiliary medium conveying channel of the vibrating rod is arranged in the core rod, and a medium ejection port communicated with the medium injection cavity is arranged on the core rod.

6. The collapsible loess reinforcing construction pile machine as claimed in claim 5, wherein: the bottom end of the core rod is connected with a drill point.

7. The collapsible loess reinforcing construction pile machine as claimed in claim 1, wherein: the loess backfilling mechanism comprises a spiral soil conveying device, a support for mounting the spiral soil conveying device is arranged at the front part of the chassis, the spiral soil conveying device is arranged below a swing frame which can swing horizontally, the swing frame is hinged with the support, and a swing frame driving mechanism is arranged between the swing frame and the support.

8. The collapsible loess reinforcing construction pile machine as claimed in claim 7, wherein: a lifting device for adjusting the soil cutting depth of the spiral soil conveying device is arranged between the spiral soil conveying device and the swing frame.

9. The collapsible loess reinforcing construction pile machine as claimed in claim 7 or 8, wherein: the spiral soil conveying device comprises a soil cutting rotating shaft, a spiral soil cutting conveying blade is arranged on the rotating shaft, and a cover plate is arranged above the soil cutting rotating shaft.

10. The collapsible loess reinforcing construction pile machine as claimed in claim 1, wherein: the vibrating disk is matched with the outer diameter of the vibrating rod, and the vibrating disk is connected with the drill bit part at the lower end part of the vibrating rod through a pin shaft.

11. The collapsible loess reinforcing construction pile machine as claimed in claim 10, wherein: and a centering conveying mechanism for conveying the vibration disk to the bottom of the vibration rod and automatically centering is arranged at the front part of the chassis.

12. The collapsible loess reinforcing construction pile machine as claimed in claim 11, wherein: the centering conveying mechanism comprises a tray for placing a vibrating disc, and a sliding table structure which can move back and forth, left and right and up and down to realize centering adjustment is arranged between the tray and the chassis.

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