CN106801579B - A curved square pile forming equipment for municipal civil engineering - Google Patents

Abstract

The invention belongs to the technical field of pile foundations, and particularly relates to arc-shaped square pile forming equipment for municipal civil engineering. Two side dumping mechanisms are respectively arranged at two sides of the arc-shaped shell and have the same structure. The universal joint is used for connecting the soil discharging units in the side soil discharging mechanism in the device, and the universal joint can change the force transmission direction, so that the side soil discharging mechanism can rotate along the arc-shaped soil discharging guide rod, and the aim of forming an arc-shaped square pile foundation by the device is fulfilled; the use of the spiral sheet and the connecting soft sheet ensures that the equipment forms a complete spiral structure on the arc-shaped soil discharging guide rod, and soil blocks and broken stones can be smoothly discharged. The universal joints are used on two sides of the side dumping mechanism, so that the side dumping mechanism can rotate along an arc line, the structure is simple, and the practical effect is better.

Description

A curved square pile forming equipment for municipal civil engineering

Technical field

The invention belongs to the technical field of pile foundations, and in particular relates to an arc-shaped square pile forming device for municipal civil engineering.

Background technique

At present, in the field of pile foundation technology, the pile forming equipment for construction is generally a round pile. As the building becomes higher and higher, the strength requirements for the pile foundation are getting higher and higher. If the traditional round pile wants to meet the requirements, the pile needs to be driven deeper and increase the density of the pile. On the one hand, this will use more building materials and increase the cost. On the other hand, it is not conducive to the improvement of construction efficiency. Therefore, it is necessary to design a device without increasing the cost and reducing the density.

The present invention designs a kind of curved square pile forming equipment used in municipal civil engineering to solve the above problems.

Contents of the invention

In order to solve the above-mentioned defects in the prior art, the present invention discloses an arc-shaped square pile forming equipment for municipal civil engineering, which is realized by adopting the following technical scheme.

A curved square pile forming equipment for municipal civil engineering, characterized in that it includes a side discharge mechanism, a cement conduit, a steel conduit, an arc shell, a cement end plug, a steel channel, a drill bit, a cement channel, and a drill motor , Drill bit cavity, flexible shaft, hydraulic telescopic rod, end plug slot, side soil discharge slot, drill bit slide hole, slot slope, lift ring, lift guide ring, drill turn slot, end plug block, block slope, support Plate, support plate support, wherein the support plate is supported and installed on the upper side of the arc-shaped shell through two support plates, one end of the support plate is connected with the upper end surface of the arc-shaped shell, and the other end is connected with the support plate; the arc-shaped shell There is a side soil discharge groove on each of the two sides, and the two side soil discharge mechanisms are installed at both ends of the support plate, and are respectively located in the side soil discharge groove; there is a cement channel in the middle of the arc-shaped shell, and the arc is the same as the arc. The upper side of the cement channel is installed with a cement conduit, the inner lower end of the cement channel is provided with an end plug slot, and the lower edge of the end plug slot is provided with a slot inclined surface, and two end plugs are installed on the cement end plug. Block, there is a block slope on the end plug block, and the slope of the slot matches with the slope of the block; the four reinforcement channels are symmetrically distributed in pairs in the arc-shaped shell with the cement channel as the center, on the upper side of each reinforcement channel A cement conduit is installed on both sides of the arc-shaped shell. There is a drill cavity on each side of the arc-shaped shell. Each drill cavity is located between the steel bar channel and the side soil discharge groove. There is a drill slide hole under the drill cavity, and the drill cavity does not go through upwards. Out of the top surface of the arc-shaped shell, the structures in the two drill chambers are exactly the same. For any one of the drill chambers, the drill motor is installed on the upper side of the drill chamber, one end of the flexible shaft is installed on the shaft of the drill motor, and the other end is installed on the drill. , the lifting guide ring is installed on the lifting ring, and the lifting ring is installed on the outer edge of the top of the drill bit through the cooperation of the lifting guide ring and the drill bit turning groove. On the wall of the drill cavity.

The above-mentioned side soil discharge mechanism includes a soil discharge motor, a soil discharge guide rod, a gear, a soil discharge unit, a drive ring cylinder, a first universal joint, and a second universal joint. The two soil discharge motors are symmetrically installed on the two ends of the support plate On the end face, the gear is installed on the rotating shaft of the earth-discharging motor, and one end of the driving ring cylinder has ring teeth, which mesh with the gear. The driving ring is connected with the soil-discharging unit, and the two ends of the soil-discharging unit are respectively installed on the soil-discharging guide rod through the first universal joint, and the adjacent two soil-discharging units are connected together through the second universal joint .

The above-mentioned first universal joint includes a third rotating shaft, a second universal ring, a third universal ring and a fourth rotating shaft, wherein the inner edge surface of the third universal ring is installed on the soil discharge guide rod through bearings, and the two fourth The rotating shaft is symmetrically installed on the outer edge of the third universal ring, the second universal ring is installed on the outside of the third universal ring through two fourth rotating shafts, and the third rotating shaft is installed on the outer peripheral surface of the second universal ring in a straight line superior.

The above-mentioned second universal joint includes a first rotating shaft, a first universal ring, and a second rotating shaft. The second rotating shaft is installed on the inner edge of the first universal ring and cooperates with the outer edge of the rotating shell. The first rotating shaft is installed on the Between the first universal ring and the rotating ring.

The above-mentioned soil-discharging unit includes a rotating shell, a rotating ring, a rotating ring support, and a spiral piece, wherein both ends of the rotating shell are installed on the soil-discharging guide rod through the first universal joint, and the rotating ring is supported on one end of a soil-discharging unit. The ring is installed on the support of the rotating ring, and the spiral piece is installed on the outer surface of the rotating ring.

Adjacent helical sheets on the above-mentioned adjacent soil-discharging units are connected by connecting soft sheets.

Compared with the traditional pile foundation technology, the soil-discharging unit of the side soil-discharging mechanism in the present invention is nested on the soil-discharging guide rod through two first universal joints, so that the rotating shell can rotate freely on the soil-discharging guide rod , the third universal ring is installed on the outside of the soil discharge guide rod through bearings, the fourth rotating shaft is symmetrically installed between the second universal ring and the third universal ring, and the third rotating shaft is symmetrically installed between the second universal ring and the rotating shell Among them, the use of two universal rings realizes the free rotation of the rotating shell around its own axis on the soil-discharging guide rod; multiple soil-discharging units are connected through the second universal joint, and the rotation of the soil-discharging unit The shell is connected to the second rotating shaft, and the rotating ring is connected to the first rotating shaft. The use of this structure realizes mutual transmission when there is an included angle between adjacent soil-discharging units, and the rotation axes of adjacent soil-discharging units are not collinear , causing the spacing between the spiral pieces on adjacent soil-discharging units to change with the change of the soil-discharging unit, the designed spiral pieces are installed together by connecting soft pieces to form a continuous spiral structure, and the elastic deformation capacity of the connecting pieces It can overcome the influence of the change of the distance between the helical blades, so that the clods and gravel can be discharged smoothly; the drill bit motor is installed on the upper side of the drill bit cavity, one end of the flexible shaft is installed on the drill bit motor shaft, and the other end is installed on the drill bit. The shaft is to make the drill bit keep rotating when it comes out of or enters the drill bit slide hole; the lifting guide ring is installed on the lifting ring, and the lifting ring is installed on the outer edge surface of the top of the drill bit through the cooperation of the lifting guide ring and the drill bit turning groove , the hydraulic telescopic rod is symmetrically installed on the upper end surface of the lifting ring, and the hydraulic telescopic rod controls the drill bit to enter and exit the drill bit slide hole through its own expansion and contraction; there are four slopes at the lower end of the arc-shaped shell, so that the lower side of the arc-shaped shell forms a four-slope type Inclined surface, when the arc-shaped shell is pressed into the ground, the advantage of this design is that it can reduce the force-bearing area of the lower end of the arc-shaped shell, making it easier for the equipment to be pressed into the ground, and guide the soil so that the soil can reach both sides smoothly. At the side of the soil discharge mechanism; the upper end of the cement channel located in the center of the arc-shaped shell is equipped with a cement conduit, and the end plug slot at the lower end of the cement channel is provided with a slot slope, and the end plug installed on the cement end plug is matched with it. There is a block slope on the block. When the cement end plug is under the pressure from the cement, the end plug block on the cement end plug slides downward from this slope, and the cement end plug slides out of the cement channel. The advantage of this design is that it will not break Stone and soil blocks cannot enter the cement channel, but after the cement is sprayed into the cement channel, the cement can smoothly enter the ground; there is a steel bar channel inside the arc-shaped shell, and the steel bars are pressed in from the steel bar channel, so that the steel bars can be arranged in an orderly manner, and the steel bar channel And the design of the cement channel is to make the steel bar and cement enter at the same time when the equipment enters the ground, and the arc pile is formed at one time.

The equipment described in the present invention moves in an arc shape under the action of other equipment, and the drill bit rotates on a fixed axis under the action of a certain pressure and rotational force and performs a feeding motion, slowly going deep into the ground, breaking the soil layer and stones, and at the same time, discharging The soil motor drives the gear to rotate, the gear drives the drive ring to rotate, and the drive ring drives the soil discharge unit connected to it to rotate. The soil discharge unit is nested on the soil discharge guide rod through the second universal joint, and the soil discharge unit rotates The soil guide rod rotates, and the first universal joint is used to connect the soil discharge units. The whole side soil discharge mechanism rotates with the soil discharge guide rod as the axis. The rotation of the side soil-discharging mechanism is taken out, and the soil-discharging mechanism is subjected to the downward reaction force of the soil layer at the same time. Under the action of this reaction force and external force, the whole device goes deep into the ground. When the specified depth is reached, the drill bit is completely retracted into the drill bit slide hole under the contraction of the hydraulic telescopic rod, which prevents the cement from corroding the drill bit. The cement is sprayed from the cement conduit, passes through the cement channel, and breaks away the cement end at the lower end of the cement channel. Plug, the cement flows out from the cement passage, and under the action of external force, the steel bar is pressed in from the steel bar pipe and enters the ground through the steel bar pipe. With the entry of cement, the arc-shaped shell of the device in the present invention slowly withdraws outward under the action of external force , and the arc-shaped square pile is formed.

Description of drawings

Figure 1 is a schematic diagram of the driving ring cylinder.

Figure 2 is a schematic diagram of the structure of the earth-discharging mechanism.

Fig. 3 is a cross-sectional view of the earth-discharging mechanism.

Fig. 4 is a schematic diagram of the positions of adjacent helical sheets.

Fig. 5 is a perspective view of the structure of the soil removal unit.

Fig. 6 is a sectional view of the internal structure of the soil removal unit.

Figure 7 is a schematic diagram of the installation of the spiral piece.

Fig. 8 is a schematic structural diagram of the second universal joint.

Fig. 9 is a schematic structural diagram of the first universal joint.

Figure 10 is a schematic diagram of the distribution of the overall components.

Fig. 11 is a perspective view of the overall structure.

Figure 12 is a side view of the overall structure.

Figure 13 is a perspective view of the arc housing.

Fig. 14 is a sectional view of the drill cavity.

Figure 15 is a cross-sectional view of the reinforcement channel.

Fig. 16 is a sectional view of the cement channel.

Fig. 17 is a schematic diagram of the arc surface of the lower end of the arc-shaped housing.

Fig. 18 is a sectional view of the internal structure of the drill cavity.

Fig. 19 is a schematic diagram of drill bit installation.

Fig. 20 is a sectional view of the lifting ring.

Fig. 21 is a schematic diagram of the drill bit structure.

Fig. 22 is a schematic diagram of the structure of the cement end plug.

Fig. 23 is a schematic diagram of the working mode of the device.

Label names in the figure: 1. Soil removal motor, 2. Soil removal guide rod, 3. Gear, 4. Soil removal unit, 5. Drive ring cylinder, 6. Connecting film, 7. Spiral piece, 8. The first universal direction Section, 9, the second universal joint, 10, the rotating shell, 11, the rotating ring, 12, the rotating ring support, 13, the first rotating shaft, 14, the first universal ring, 15, the second rotating shaft, 16, the third Rotating shaft, 17, the second universal ring, 18, the third universal ring, 19, the fourth rotating shaft, 21, support plate, 22, cement conduit, 23, steel pipe, 24, support plate support, 25, arc shell Body, 26, cement end plug, 27, steel bar channel, 28, drill bit, 29, side soil discharge mechanism, 30, cement channel, 31, drill bit motor, 32, drill bit cavity, 33, flexible shaft, 34, hydraulic telescopic rod, 35, end plug slot, 36, side soil discharge slot, 37, drill bit slide hole, 38, slot slope, 39, lifting ring, 40, lifting guide ring, 41, drill turning groove, 42, end plug block, 43, block inclined-plane.

Detailed ways

When using the device of the present invention to drive piles, the device of the present invention makes an arc movement under the action of other devices. As shown in Figures 10 and 11, it comprises a side soil discharge mechanism 29, a cement conduit 22, a reinforcement conduit 23, an arc housing 25, a cement end plug 26, a reinforcement channel 27, a drill bit 28, a cement channel 30, a drill bit motor 31, Drill cavity 32, flexible shaft 33, hydraulic telescopic rod 34, end plug slot 35, side discharge slot 36, drill slide hole 37, slot slope 38, lift ring 39, lift guide ring 40, drill turn slot 41, end Block block 42, block inclined surface 43, support plate 21, support plate support 24, wherein as shown in Figure 10, support plate 21 is installed on the upper side of arc housing 25 by two support plate supports 24, and support plate supports One end of 24 is connected with the upper end surface of the arc-shaped shell 25, and the other end is connected with the support plate 21; The earth-discharging mechanism 29 is installed on both ends of the support plate 21, and is respectively located in the side earth-discharging groove 36; wherein as shown in Figure 16, there is a cement passage 30 in the middle of the arc-shaped housing 25, and the arc is the same as that of the arc-shaped housing 25. Similarly, a cement conduit 22 is installed on the upper side of the cement channel 30, as shown in Figure 17, an end plugging groove 35 is opened at the inner lower end of the cement channel 30, and a carding groove slope 38 is opened on the lower edge of the end plugging groove 35, as shown in FIG. As shown in Figure 22, two end plug blocks 42 are installed on the cement end plug 26, and there is a block slope 43 on the end plug block 42, and the groove slope 38 matches with the block slope 43; as shown in Figures 11 and 15 As shown, the four reinforcement passages 27 are symmetrically distributed in pairs in the arc-shaped housing 25 with the cement passage 30 as the center, and a cement conduit 22 is installed on the upper side of each reinforcement passage 27; as shown in Figures 11 and 14, Arc housing 25 both sides respectively have a bit cavity 32, each bit cavity 32 is all positioned between steel bar channel 27 and side soil discharge groove 36, has drill bit sliding hole 37 below the bit cavity 32, and bit cavity 32 upwards Through the top surface of the arc-shaped housing 25, the structures in the two drill chambers 32 are exactly the same. For any one of the drill chambers 32, as shown in Figures 18 and 19, the drill motor 31 is installed on the upper side of the drill chamber 32, and the flexible shaft 33 one end is installed on the drill bit motor 31 rotating shafts, the other end is installed on the drill bit 28, and the lifting guide ring 40 is installed on the lifting ring 39, and the lifting ring 39 is installed outside the top of the drill bit 28 by cooperation of the lifting guide ring 40 and the drill bit turning groove 41 Edge surface, two hydraulic expansion rods 34 one ends are symmetrically installed on the lifting ring 39 upper end faces, and the other end is installed on the drill bit cavity 32 cavity walls.

As shown in Figures 2 and 4, the above-mentioned side soil discharge mechanism 29 includes a soil discharge motor 1, a soil discharge guide rod 2, a gear 3, a soil discharge unit 4, a driving ring cylinder 5, a first universal joint 8, a second universal joint Section 9, wherein as shown in Figures 1 and 10, two soil-discharging motors 1 are symmetrically installed on the upper end surfaces of both ends of the support plate 21, the gear 3 is installed on the rotating shaft of the soil-discharging motor 1, and one end of the driving ring cylinder 5 has ring gears , mesh with the gear 3 Xu, the soil discharge guide rod 2 is installed on the lower side of both ends of the support plate 21, and the driving ring tube 5 is installed on the outside of the soil discharge guide rod 2; as shown in Figures 3 and 6, the driving ring tube 5 and the row The soil unit 4 is connected together, the two ends of the soil removal unit 4 are installed on the soil removal guide bar 2 through the first universal joint 8 respectively, and the two adjacent soil removal units 4 are connected by the second universal joint 9 Together.

As shown in Figure 8, the above-mentioned first universal joint 8 includes a third rotating shaft 16, a second universal ring 17, a third universal ring 18, and a fourth rotating shaft 19, wherein the inner edge surface of the third universal ring 18 passes through the bearing Installed on the soil guide bar 2, two fourth rotating shafts 19 are symmetrically installed on the outer edge of the third universal ring 18, and the second universal ring 17 is installed on the third universal ring 18 through the two fourth rotating shafts 19 On the outside, the third rotating shaft 16 is installed on the outer peripheral surface of the second universal ring 17 in a straight line.

As shown in Figure 9, the above-mentioned second universal joint 9 includes a first rotating shaft 13, a first universal ring 14, and a second rotating shaft 15, and the second rotating shaft 15 is installed on the inner surface of the first universal ring 14, and is connected with The outer surface of the rotating shell 10 is matched, and the first rotating shaft 13 is installed between the first universal ring 14 and the rotating ring 11 .

As shown in Figures 6 and 7, the above-mentioned soil removal unit 4 includes a rotary shell 10, a rotary ring 11, a rotary ring support 12, and a spiral piece 7, wherein both ends of the rotary shell 10 are installed on the soil discharge guide through the first universal joint 8. On the rod 2, the rotating ring support 12 is installed on one end of a soil removal unit 4, the rotating ring 11 is installed on the rotating ring support 12, and the spiral piece 7 is installed on the outer edge surface of the rotating ring 11.

As shown in FIG. 2 , the adjacent helical pieces 7 on the above-mentioned adjacent soil removal units 4 are connected by connecting soft pieces 6 .

In summary, the soil discharge unit 4 of the side soil discharge mechanism 29 in the present invention is nested on the soil discharge guide rod 2 through two first universal joints 8, in order to make the rotating shell 10 can be mounted on the soil discharge guide rod 2 The upper part is free to rotate, the third universal ring 18 is installed on the outside of the soil discharge guide rod 2 through bearings, the fourth rotating shaft 19 is symmetrically installed between the second universal ring 17 and the third universal ring 18, and the third rotating shaft 16 is symmetrically installed Between the second universal ring 17 and the rotating shell 10, the use of two universal rings enables the rotating shell 10 to freely rotate around its own axis on the soil displacement guide rod 2; The second universal joint 9 is connected, wherein the rotating shell 10 of the earth-discharging unit 4 is connected with the second rotating shaft 15, and the rotating ring 11 is connected with the first rotating shaft 13. The use of this structure realizes the connection between the adjacent earth-discharging units 4. When there is an included angle between them, they can still transmit each other, and the rotation axes of adjacent soil-discharging units 4 are not collinear, causing the distance between the spiral blades 7 on adjacent soil-discharging units 4 to change with the change of soil-discharging units 4 , the designed helical pieces 7 are installed together through the connecting film 6 to form a helical structure, the elastic deformation capacity of the connecting film 6 can overcome the influence of the change of the distance between the helical pieces 7, so that the soil clods and gravel can be discharged smoothly; Drill motor 31 is installed on the upper side of drill cavity 32, one end of flexible shaft 33 is installed on the rotating shaft of drill motor 31, and the other end is installed on the drill bit 28. Using flexible shaft 33 is to make drill bit 28 come out from drill bit slide hole 37 or enter the drill bit The sliding hole 37 keeps rotating; the lifting guide ring 40 is installed on the lifting ring 39, and the lifting ring 39 is installed on the outer edge surface of the top of the drill bit 28 through the cooperation of the lifting guide ring 40 and the drill bit turning groove 41, and the hydraulic telescopic rod 34 is installed symmetrically On the upper end surface of the lifting ring 39, the hydraulic telescopic rod 34 controls the drill bit 28 to enter and exit the drill bit slide hole 37 through its own expansion and contraction; the lower end of the arc-shaped housing 25 has four slopes, so that the lower side of the arc-shaped housing 25 forms a four-slope type Inclined surface, when the arc-shaped shell 25 is pressed into the ground, the advantage of this design is that it can reduce the force-bearing area of the lower end of the arc-shaped shell 25, making it easier for the device to be pressed into the ground, and in addition guide the soil to make the soil smooth Arrive at the earth-discharging mechanism places on both sides; The upper end of the cement channel 30 that is positioned at the center of the arc-shaped housing 25 is equipped with a cement conduit 22, and the plugging groove 35 at the lower end of the cement channel 30 has a card groove slope 38, which is installed on the There is a block slope 43 on the end plug block 42 on the cement end plug 26. When the cement end plug 26 is subjected to pressure from the cement, the end plug block 42 on the cement end plug 26 slides downward from this slope, and the cement end plug Plug 26 slides out from cement passage 30, and the advantage of designing like this is, gravel soil block can't enter cement passage 30, and after cement is sprayed into cement passage 30, cement can be made to enter underground smoothly; Reinforcing bar channel 27, reinforcing bar is pressed in from reinforcing bar channel 27, and reinforcing bar can be arranged in an orderly manner, and the design of reinforcing bar channel 27 and cement channel 30 is to be that when equipment enters underground, reinforcing bar and cement enter simultaneously, and arc-shaped pile forms once.

The equipment described in the present invention moves in an arc shape under the action of other equipment, as shown in a, b, and c in Figure 23, the drill bit 28 rotates on a fixed axis under the action of a certain pressure and rotational force and performs a feed motion, and slowly penetrates underground At the same time, the soil removal motor 1 drives the gear 3 to rotate, the gear 3 drives the drive ring cylinder 5 to rotate, and the drive ring cylinder 5 drives the soil discharge unit 4 connected to it to rotate, and the soil discharge unit 4. The second universal joint 9 is nested on the soil-discharging guide rod 2. The soil-discharging unit 4 rotates around the soil-discharging guide rod 2. The soil-discharging units 4 are connected by the first universal joint 8. The entire side soil-discharging mechanism 29 rotates with the soil-discharging guide rod 2 as the axis, and the soil clods and gravels move synchronously with the spiral structure under the action of friction, and are taken out with the rotation of the side soil-discharging mechanism 29, and the soil-discharging mechanism is pressed downward by the soil layer at the same time. The reaction force, under the action of this reaction force and external force, this equipment goes deep underground as a whole. As shown in d in Figure 23, when reaching the specified depth, the drill bit 28 completely retreats into the drill bit slide hole 37 under the contraction of the hydraulic telescopic rod 34, and the cement is sprayed from the cement conduit 22 and passes through the cement channel 30 to wash away the cement. The cement end plug 26 at the lower end of the channel 30, the cement flows out from the cement channel 30, and under the action of external force, the steel bar is pressed in from the steel bar conduit 23 and enters the ground through the steel bar tube. Body 25 slowly withdraws outwards under the action of external force, and the arc-shaped square pile is formed at this point.

Claims (1)

1. A curved square pile forming equipment for municipal civil works, characterized in that: it comprises a side discharge mechanism, a cement conduit, a reinforcement conduit, an arc shell, a cement end plug, a reinforcement passage, a drill bit, a cement passage, Drill motor, drill cavity, flexible shaft, hydraulic telescopic rod, end plug slot, side soil discharge slot, drill slide hole, slot slope, lift ring, lift guide ring, drill turn slot, end plug block, block slope , support plate, support plate support, wherein the support plate is supported and installed on the upper side of the arc-shaped shell through two support plates, one end of the support plate is connected to the upper end surface of the arc-shaped shell, and the other end is connected to the support plate; There is a side soil discharge groove on both sides of the shell, and the two side soil discharge mechanisms are installed at both ends of the support plate, and are respectively located in the side soil discharge groove; there is a cement channel in the middle of the arc-shaped shell, and the arc Same as the arc-shaped shell, a cement conduit is installed on the upper side of the cement channel. Two end plug slots are symmetrically opened on the inner lower end of the cement channel. The lower edge of the end plug slot is provided with a slot slope. Two end plug blocks are installed, and there is a block slope on the end plug block, and the slot slope matches with the block slope; the four reinforcement channels are distributed symmetrically in pairs in the arc-shaped shell with the cement channel as the center. A cement conduit is installed on the upper side of each reinforcement channel; a drill cavity is opened on both sides of the arc-shaped shell, and each drill cavity is located between the reinforcement channel and the side soil discharge groove, and a drill slide hole is opened under the drill cavity , the drill chamber does not pass through the top surface of the arc-shaped housing upwards, and the structures in the two drill chambers are exactly the same. For any one of the drill chambers, the drill motor is installed on the upper side of the drill chamber, and one end of the flexible shaft is installed on the drill motor shaft. The other end is installed on the drill bit, and the lifting guide ring is installed on the lifting ring. The lifting ring is installed on the outer edge of the top of the drill bit through the cooperation of the lifting guide ring and the drill bit turning groove. One end of the two hydraulic telescopic rods is symmetrically installed on the upper end surface of the lifting ring. The other end is installed on the wall of the drill cavity; The above-mentioned side soil discharge mechanism includes a soil discharge motor, a soil discharge guide rod, a gear, a soil discharge unit, a driving ring cylinder, a first universal joint, and a second universal joint. On the upper end face, the gear is installed on the rotating shaft of the soil-discharging motor; one end of the driving ring cylinder has ring teeth, which mesh with the gear; the soil-discharging guide rod is installed on the lower side of both ends of the support plate, and the driving ring cylinder is installed outside the soil-discharging guide rod ; The driving ring cylinder is connected with the soil-discharging unit, and the two ends of the soil-discharging unit are respectively installed on the soil-discharging guide rod through the first universal joint, and the two adjacent soil-discharging units are connected through the second universal joint. Together; The above-mentioned first universal joint includes a third rotating shaft, a second universal ring, a third universal ring and a fourth rotating shaft, wherein the inner edge surface of the third universal ring is installed on the soil discharge guide rod through bearings, and the two fourth The rotating shaft is symmetrically installed on the outer edge of the third universal ring, the second universal ring is installed outside the third universal ring through two fourth rotating shafts, and the two third rotating shafts are symmetrically installed on the outer edge of the second universal ring face; The above-mentioned second universal joint includes a first rotating shaft, a first universal ring, and a second rotating shaft, wherein the second rotating shaft is symmetrically installed on the inner edge surface of the first universal ring, and cooperates with the outer edge surface of the rotating shell. The rotating shaft is installed symmetrically between the first universal ring and the rotating ring; The above-mentioned earth-discharging unit includes a rotating shell, a rotating ring, a rotating ring support, and a spiral piece, wherein both ends of the rotating shell are installed on the soil-discharging guide rod through the first universal joint and the rotating shell is connected with the third rotating shaft, and the rotating ring is supported and installed At one end of the dumping unit, the rotating ring is installed on the support of the rotating ring, and the spiral blade is installed on the outer edge of the rotating ring; The adjacent helical sheets on the above two adjacent soil removal units are connected by connecting soft sheets.