CN214532768U

CN214532768U - Screw pile driver

Info

Publication number: CN214532768U
Application number: CN202120756755.XU
Authority: CN
Inventors: 彭桂皎; 彭樱; 陈海同; 谭燕姬; 李华源; 陈宋斌
Original assignee: Zhuo Dian Design Hainan Co ltd; Zhuodian Robot Hainan Co ltd; Hainan Zhuodian High Technology Development Co ltd
Current assignee: Hainan Zhuodian High Technology Development Co ltd; Zhuo Dian Design Hainan Co ltd; Zhuodian Robotics Haikou Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-10-29
Anticipated expiration: 2031-04-14

Abstract

The utility model provides a screw pile driver, which relates to the technical field of construction machinery. The screw pile driver includes a rotary power mechanism, a drill pipe, a soil extruding drill and a rock drilling tool; the drill pipe includes a first end and a second end, and the rotary power mechanism is connected with the first end of the drill pipe for driving the drill pipe to rotate. ; Both the soil extruding drilling tool and the rock drilling tool can be connected with the second end of the drill pipe, and either the soil extruding drilling tool or the rock extracting drilling tool can be connected to the second end of the drilling pipe; the soil extruding drilling tool is used for Driven to rotate under the drive to dig out the pile hole underground; the rock drilling tool is used to rotate under the drive of the drill pipe to cut the boulder in the pile hole and accommodate the cut stone core. The screw pile driver can complete the digging and rock breaking work by replacing the drilling tool, and the cost is lower, and the rotary power mechanism of the screw pile driver usually has the characteristics of low speed and high torque, no water is required when breaking the rock, and the columnar shape can be taken out. The stone core can ensure the quality of the pile and will not produce stone core waste.

Description

Screw pile machine

Technical Field

The utility model belongs to the technical field of the construction machinery technique and specifically relates to a screw rod stake machine is related to.

Background

The screw pile is a soil-squeezing or semi-soil-squeezing type cast-in-place pile, and has the advantages of high strength, short construction period, high efficiency, small settlement, earthquake resistance, no soil taking, no slurry discharge, no pollution, no influence of underground water on construction and pile forming quality, wide application range, suitability for various soil layers and the like.

The existing construction machinery for constructing the screw pile is a screw pile machine, the screw pile machine comprises a rotary power mechanism, a drill rod and a drilling tool, the rotary power mechanism is connected above the drill rod, the drilling tool is connected below the drill rod, a conical drill bit is arranged at the bottom end of the drilling tool, the drill rod and the drilling tool can rotate under the driving of the rotary power mechanism, so that the conical drill bit is driven to rotate, the drilling tool and the drill rod above the conical drill bit can be driven to drill into a soil body and extrude the soil body together after the conical drill bit rotates, and then a pile outlet hole is constructed. In the screw pile construction process, the situation of encountering underground boulders and rocks exists, a drill bit of the conventional screw pile machine is difficult to drill after encountering the boulders and the rocks, and a special drilling machine such as a water mill drilling machine is required to be used for assisting in breaking the rocks. And after the boulder and the rock are broken, taking out the generated broken stone as waste residue, and operating the screw pile machine to return to the pile position to continue to carry out pore-forming pile-forming construction.

Special drilling machines generally use a drill capable of coring, which consists of two parts: a cylindrical coring bit and a driving rod piece connected to the upper part of the bit. The cylindrical coring bit can be driven to rotate by the rotation of the driving rod piece, and then the cylindrical coring bit sinks by the self weight of the drilling tool to cut a stone body. However, the special drilling machine has the characteristics of high rotating speed and low torque, so that water injection construction is required, soil is easy to loosen and soften, pile forming quality is affected, stone core waste residues needing to be transported outside can be generated in the stone breaking process, adverse effects are caused to the environment, and the cost can be increased due to the use of the special drilling machine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw rod stake machine to when alleviating the special rig that exists among the prior art and being applied to screw rod stake construction, need the water injection construction, easily cause the soil body to relax and soften, influence becomes stake quality, and broken stone in-process can produce the stone core waste residue that needs the outward transportation, causes adverse effect to the environment, and the use of special rig can increase cost's technical problem moreover.

In a first aspect, the utility model provides a screw pile machine, including rotary power mechanism, still include drilling rod, crowded native drilling tool and get the stone drilling tool;

the drill rod comprises a first end and a second end, and the rotary power mechanism is connected with the first end of the drill rod and used for driving the drill rod to rotate;

the soil squeezing drilling tool and the stone taking drilling tool can be connected with the second end of the drill rod, and one of the soil squeezing drilling tool and the stone taking drilling tool is connected with the second end of the drill rod;

the soil-squeezing drilling tool is driven by the drill rod to rotate automatically so as to dig out a pile hole underground in a rotary mode; the stone taking drilling tool is driven by the drill rod to rotate so as to cut the stone body in the pile hole and accommodate the cut stone core.

In an alternative embodiment, the outer wall of the drill rod is provided with a helical blade with a constant diameter, the stone-taking drill comprises a cylinder with a constant diameter, and the outer diameter of the helical blade of the drill rod and the diameter of the cylinder are both equal to the diameter of the pile hole.

In an alternative embodiment, the stone drill further comprises a plurality of cutting pieces, and the plurality of cutting pieces are arranged on the side edge of the opening of the cylinder body at intervals along the circumferential direction of the cylinder body.

In an optional embodiment, the stone drill further comprises a clamping member;

the side wall of the barrel body close to the barrel opening is provided with a mounting hole, the clamping piece is mounted in the mounting hole, and one end of the clamping piece extends into the barrel body to be abutted against the stone core in the barrel body.

In an optional embodiment, the clamping members and the mounting holes are both multiple, the multiple mounting holes are arranged on the side wall of the cylinder body at equal intervals along the circumferential direction of the cylinder body, and the multiple clamping members are mounted in the multiple mounting holes in a one-to-one correspondence manner.

In an alternative embodiment, the clip is inserted into the mounting hole.

In an alternative embodiment, the second end of the drill rod is fitted with a tool joint;

the barrel bottom of the barrel body comprises a back surface positioned outside the barrel body; and the back surface of the cylinder bottom and one end of the soil-squeezing drilling tool are respectively provided with a drill rod joint matched with the drilling tool joint, and the drill rod joint is detachably connected with the drilling tool joint.

In an alternative embodiment, the drill rod joint of the cylinder bottom is arranged in the middle of the back surface of the cylinder bottom;

the back of the cylinder bottom is vertically provided with a plurality of reinforcing plates, the reinforcing plates are distributed at equal intervals along the circumferential direction of the cylinder bottom, and each reinforcing plate is fixed between the outer edge of the back of the cylinder bottom and the outer wall of the drill rod joint of the cylinder bottom.

In an optional embodiment, the device further comprises a lifting driving mechanism;

the lifting driving mechanism is connected with the rotating power mechanism to drive the rotating power mechanism to ascend or descend.

In an optional embodiment, the rotary power mechanism comprises a rotary power head and a driving rod, wherein one end of the driving rod is connected with the lifting driving mechanism, and the other end of the driving rod is connected with the first end of the drill rod;

the rotary power head is installed on the driving rod and used for driving the driving rod to rotate, and the rotary power head can move on the driving rod along the axial direction of the driving rod.

The utility model provides a screw rod stake machine includes rotary power unit, drilling rod, crowded native drilling tool and gets the stone drilling tool. The drill rod comprises a first end and a second end, and the rotary power mechanism is connected with the first end of the drill rod and used for driving the drill rod to rotate. The soil squeezing drilling tool and the stone taking drilling tool can be connected with the second end of the drill rod, and one of the soil squeezing drilling tool and the stone taking drilling tool is connected with the second end of the drill rod. The soil-squeezing drilling tool is driven by the drill rod to rotate automatically so as to dig out a pile hole underground; the stone taking drilling tool is driven by the drill rod to rotate so as to cut a stone body in the pile hole and accommodate the cut stone core. In the process of constructing the screw pile, when the pile hole needs to be dug in a rotary mode, the soil squeezing drilling tool is connected with the second end of the drill rod, namely, the soil squeezing drilling tool is assembled on the screw pile machine, and the screw pile machine can be used for driving the soil squeezing drilling tool to dig out the pile hole underground in a rotary mode. If the situation that stones such as boulders, rocks and the like exist in the pile hole, the soil squeezing drilling tool is withdrawn from the pile hole, then the soil squeezing drilling tool is detached from the second end of the drill rod, and the stone taking drilling tool is connected with the second end of the drill rod, namely, the stone taking drilling tool is assembled on the screw pile machine, and then the screw pile machine can be used for driving the stone taking drilling tool to enter the pile hole to cut the stones. Because the rotary power mechanism of the screw pile machine is the driving force required by pile forming construction, the screw pile machine generally has the characteristics of low rotating speed and large torque, water is not needed in the process of cutting a stone body, and a columnar stone core can be obtained by cutting. And the stone taking drilling tool can contain the columnar stone core, so that the columnar stone core can be taken out together after the stone taking drilling tool is taken out from the pile hole. The columnar stone core is complete in shape, so that the columnar stone core can be filled into soil around the pile hole to reinforce the soil, the columnar stone core is recycled, and no stone core waste residue is generated to pollute the environment.

Compared with the prior art, the utility model provides a screw rod stake machine need not the supplementary broken stone of special rig, digs pile hole soon and relies on same screw rod stake machine change drilling tool with broken stone work and can accomplish, therefore the efficiency of construction is higher, and economic benefits is more obvious. In addition, in order to be capable of rotary excavating the pile hole, a rotary power mechanism adopted by the screw pile machine generally has the characteristics of low rotating speed and large torque, the rotary power mechanism is utilized to drive the stone taking drilling tool to break the stone, water is not needed, the soil squeezing and hole forming in dry operation can be kept to increase the compactness of the soil body, and further the pile forming quality can be guaranteed. And after the rotary power mechanism is utilized to drive the stone taking drilling tool to break stones, the columnar stone core can be taken out, and can be filled into soil around the pile hole for repeated use, so that the soil can be hardened, waste residues can not be generated, and the environment pollution can be prevented while the safety of the screw pile is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a screw pile machine equipped with a soil-squeezing drilling tool according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the screw pile machine in FIG. 1 when a pile hole is dug by a rotary drill;

FIG. 3 is another schematic structural diagram of the screw pile machine in FIG. 1 during rotary pile hole digging;

FIG. 4 is a schematic structural view of the screw pile machine in FIG. 1 during another pile hole is dug by a rotary drill;

FIG. 5 is another schematic structural diagram of the screw pile machine in FIG. 1 during rotary drilling of another pile hole;

FIG. 6 is a schematic view of another structure of the screw pile driver in FIG. 1 during rotary digging of another pile hole;

fig. 7 is a schematic structural diagram of a screw pile machine equipped with a stone removing drill according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of the screw pile machine in FIG. 7 cutting a stone body in a pile hole;

FIG. 9 is a schematic structural view of the screw pile machine of FIG. 7 in which a cut cylindrical stone core is removed;

FIG. 10 is a schematic structural view of the screw pile machine in FIG. 7 when a columnar stone core is filled into a pile hole;

FIG. 11 is a schematic structural view of the screw pile machine in FIG. 1 during pile forming in construction;

FIG. 12 is a schematic view of the configuration of the stone drill of FIG. 7;

FIG. 13 is an axial cross-sectional view of the rock drill of FIG. 7;

fig. 14 is a radial cross-sectional view of the stone drill of fig. 7.

Icon: 1-a rotary power mechanism; 11-rotating the power head; 12-a drive rod; 2-a drill rod; 21-a first end; 22-a second end; 23-a helical blade; 3-a soil-squeezing drilling tool; 4-a stone taking drilling tool; 41-cylinder body; 411-mounting holes; 412-a stiffener plate; 413-a baffle; 42-a cutter; 43-a fastener; 5-pile hole; 6-through holes; 7-drill pipe joint.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Example (b):

as shown in fig. 1 to 11, the screw pile machine provided by the present embodiment includes a rotary power mechanism 1, a drill rod 2, an earth-squeezing drilling tool 3, and a stone-taking drilling tool 4. The drill rod 2 comprises a first end 21 and a second end 22, and the rotary power mechanism 1 is connected with the first end 21 of the drill rod 2 and used for driving the drill rod 2 to rotate. The soil-squeezing drilling tool 3 and the stone-taking drilling tool 4 can be connected with the second end 22 of the drill rod 2, and one of the soil-squeezing drilling tool 3 and the stone-taking drilling tool 4 is connected with the second end 22 of the drill rod 2. The soil-squeezing drilling tool 3 is driven by the drill rod 2 to rotate automatically so as to dig out a pile hole 5 underground in a rotary mode; the stone taking drilling tool 4 is driven by the drill rod 2 to rotate so as to cut a stone body in the pile hole 5 and contain a cut stone core.

The rotary power mechanism 1 is of an existing structure, and the rotary power mechanism 1 of the screw pile machine generally has the characteristics of low rotating speed and large torque in order to meet the driving force required by pile forming construction.

The drill rod 2 and the soil-extruding drilling tool 3 can also be of the existing structure, the drill rod 2 is hollow, and the outer wall of the drill rod 2 can be provided with a helical blade 23 for extruding soil. And the soil squeezing drilling tool 3 comprises a hollow drill cylinder and a conical drill bit hinged at the bottom of the drill cylinder, wherein the conical drill bit can close or open the drill cylinder. When the cone bit seals the drill barrel, the cone bit is driven by the drill rod 2 and the drill barrel to rotate, and then the cone bit drills into a soil body, and plays a guiding role in the process of rotatably digging the pile hole 5. The drill rod 2 and the drill cylinder can be filled with concrete, and the conical drill bit can open the bottom of the drill cylinder at the moment, so that the concrete can fall into the pile hole 5 after passing through the drill cylinder to form a concrete pile in the pile hole 5.

The stone drill 4 may also be a drill capable of coring on an existing dedicated drilling machine, and thus the stone cutting principle and the coring principle thereof will not be described in detail herein.

In the process of constructing the screw pile, when the pile hole 5 needs to be dug by the rotary drill, as shown in fig. 1, the soil-squeezing drilling tool 3 is firstly connected with the second end 22 of the drill rod 2, that is, the soil-squeezing drilling tool 3 is assembled on the screw pile machine. Then, as shown in fig. 2, the screw pile machine is utilized to drive the soil extrusion drilling tool 3 to dig out the pile hole 5 in the underground in a rotary manner, and the outer wall of the drill rod 2 is provided with the helical blade 23, so that the dug-out pile hole 5 is the pile hole 5 with threads, and the screw pile can be formed after concrete is introduced into the pile hole 5. As shown in fig. 3, if a rock body such as a boulder or a rock is encountered during the rotary drilling of the pile hole 5, the earth-moving drill 3 can be withdrawn from the pile hole 5. In order to improve the construction efficiency, after the earth-squeezing drilling tool 3 is withdrawn from the pile hole 5, as shown in fig. 4, 5 and 6, the screw pile machine can be continuously utilized to repeat the step of rotary-digging the pile hole 5 at one side of the pile hole 5 to construct other through holes 6, and the other through holes 6 are used for burying the stone core generated after stone cutting, so that the through holes 6 need to be deep enough to meet the requirement of filling the cut stone core.

After the other through holes 6 are constructed, as shown in fig. 7, the earth-squeezing drilling tool 3 is detached from the second end 22 of the drill rod 2, and the stone-removing drilling tool 4 is connected with the second end 22 of the drill rod 2, that is, the stone-removing drilling tool 4 is assembled on the screw pile machine. Then, as shown in fig. 8, the screw pile machine is used to drive the stone-taking drilling tool 4 into the pile hole 5 to cut the stone body. Because the rotary power mechanism 1 has the characteristics of low rotating speed and large torque, water is not needed in the process of cutting the stone body, and the columnar stone core can be obtained by cutting. And because the stone extractor 4 can accommodate the columnar stone core, the columnar stone core can be taken out together after the stone extractor 4 is taken out from the pile hole 5, as shown in fig. 9. The columnar stone core is complete in shape, so that the columnar stone core can be filled into soil around the pile hole 5 to reinforce the soil, and the columnar stone core can be recycled. As shown in fig. 10, after the columnar stone core is taken out, the columnar stone core can be filled into other through holes 6 dug in advance by using a screw pile machine, and at the moment, the columnar stone core can be used for reinforcing soil around the pile hole 5, so that the pollution of waste slag of the stone core to the environment is avoided. After the columnar stone core is filled, as shown in fig. 11, the concrete extruding drill 3 can be replaced to the second end 22 of the drill rod 2 again, the screw pile machine is moved to the pile hole 5, then concrete can be introduced into the drill rod 2 and the concrete extruding drill 3, the concrete can fall into the pile hole 5 after passing through the drill rod 2 and the concrete extruding drill 3, and the screw pile can be formed after the concrete is solidified.

Therefore, compared with the prior art, the screw pile machine provided by the embodiment does not need a special drilling machine to assist in breaking the stone, the rotary pile hole 5 and the stone breaking work can be completed by replacing the drilling tool of the same screw pile machine, so that the construction efficiency is higher, and the economic benefit is more obvious. In addition, in order to be capable of rotary excavating the pile hole 5, the rotary power mechanism 1 adopted by the screw pile machine generally has the characteristics of low rotating speed and large torque, the rotary power mechanism 1 is utilized to drive the stone taking drilling tool 4 to break stones, water is not needed, the dry operation soil squeezing and hole forming can be kept to increase the soil body compactness, and further the pile forming quality can be guaranteed. And after the rotary power mechanism 1 is utilized to drive the stone taking drilling tool 4 to break stones, the columnar stone core can be taken out, and can be filled into soil around the pile hole 5 for repeated use, so that the soil can be hardened, waste residues cannot be generated, and the environment pollution can be prevented while the safety of the screw pile is improved.

As shown in fig. 1 and 7, the outer wall of the drill rod 2 is provided with the helical blade 23 with the same diameter, the stone removing drill 4 comprises a cylinder 41 with the same diameter, and the outer diameter of the helical blade 23 of the drill rod 2 and the diameter of the cylinder 41 are equal to the diameter of the pile hole 5.

The diameter of a cylindrical core bit of the existing special drilling machine is equal to the diameter of a pile, but a driving rod piece is usually a thin rod, the diameter of the driving rod piece is smaller than that of the cylindrical core bit, and when the special drilling machine is applied to screw pile construction, the driving rod piece cannot form a protection wall for a pile hole, so that the hole collapse is easy.

In the screw pile machine provided by the embodiment, the stone taking drilling tool 4 enters the pile hole 5 before the drill rod 2, and the outer diameter of the helical blade 23 of the drill rod 2 and the diameter of the cylinder 41 are equal to the diameter of the pile hole 5, so that the drill rod 2 can play a wall protection role on the pile hole 5, prevent the pile hole 5 from collapsing, further ensure the pile forming quality and improve the construction efficiency.

In this embodiment, the outer wall of the drill cylinder of the earth-squeezing drill 3 may also be provided with helical blades of equal diameter, the outer diameter of which is also equal to the diameter of the pile hole 5.

It should be noted that the helical blade 23 with the same diameter is arranged on the drill rod 2 in a full length manner, that is, when the helical blade 23 is fully arranged between the first end 21 and the second end 22 of the drill rod 2, the helical blade 23 can play a role of a wall protection, and when the helical blade 23 is only arranged between the second end 22 and the middle part of the rod body of the drill rod 2, the helical blade can also play a role of a wall protection.

As shown in fig. 12 and 13, the stone drill 4 further includes a plurality of cutters 42, and the plurality of cutters 42 are installed on the side of the cylindrical body 41 at the mouth thereof at intervals in the circumferential direction of the cylindrical body 41.

The cutting member 42 may be a plate-shaped alloy structure with a blade, and the cutting member 42 is used for cutting a stone body such as a boulder, a rock, etc. during the rotation of the cylinder 41 driven by the drill rod 2.

As shown in fig. 13 and 14, the rock drill 4 further includes a fastener 43. The side wall of the cylinder 41 close to the cylinder opening is provided with a mounting hole 411, the clamping member 43 is mounted in the mounting hole 411, and one end of the clamping member 43 extends into the cylinder 41 to abut against the stone core in the cylinder 41.

The clamping and fixing piece 43 is used for being abutted against the stone core in the cylinder 41, and the friction force of the stone taking drilling tool 4 to the stone core is increased so as to prevent the stone core from sliding off in the process of lifting the stone taking drilling tool 4.

The card fixing member 43 may be an existing U-shaped card.

Further, as shown in fig. 14, the clamping members 43 and the mounting holes 411 are multiple, the multiple mounting holes 411 are arranged on the side wall of the cylinder 41 at equal intervals along the circumferential direction of the cylinder 41, and the multiple clamping members 43 are mounted in the multiple mounting holes 411 in a one-to-one correspondence manner.

The plurality of mounting holes 411 are provided on the side wall of the cylinder 41 at equal intervals in the circumferential direction of the cylinder 41, so that the plurality of the fastening pieces 43 can be made to abut on the circumferential side of the stone core uniformly, and the stability of the stone core in the cylinder 41 can be improved.

In the present embodiment, the fastener 43 is inserted into the mounting hole 411.

When the core is filled into another through hole 6, the cylinder 41 with the core is aligned with another through hole 6, and then the fastener 43 is pulled out from the mounting hole 411, so that the core can slide into another through hole 6.

It can be seen that the clamping member 43 is inserted into the mounting hole 411, so that the convenience of taking out the stone core from the cylinder 41 is improved.

As shown in fig. 1 and 7, the second end 22 of the drill pipe 2 is fitted with a tool joint. As shown in fig. 12 and 13, the bottom of the cylinder 41 includes a back surface located outside the cylinder 41, the back surface of the cylinder bottom and one end of the earth-moving drilling tool 3 are both provided with a drill rod joint 7 matched with the tool joint, and the drill rod joint 7 is detachably connected with the tool joint.

The tool joint may be a male or female joint of an existing joint assembly, and correspondingly, the drill pipe joint 7 may be a female or male joint of an existing joint assembly. The tool joint and the tool joint 7 improve the ease of connection and the stability of installation between the drill rod 2 and the earth-boring tool 3, and between the drill rod 2 and the rock drill 4.

As shown in fig. 13, the tool joint 7 of the bottom of the barrel is mounted in the middle of the back of the bottom of the barrel. A plurality of reinforcing plates 412 are vertically arranged on the back surface of the cylinder bottom, the reinforcing plates 412 are distributed at equal intervals along the circumferential direction of the cylinder bottom, and each reinforcing plate 412 is fixed between the outer edge of the back surface of the cylinder bottom and the outer wall of the drill rod joint 7 of the cylinder bottom.

The reinforcing plate 412 is used to increase the strength of the cylinder 41 and prolong the service life of the cylinder 41.

In order to protect the reinforcing plate 412 and improve the installation stability of the reinforcing plate 412 on the back surface of the barrel bottom, in the embodiment, it is preferable that an annular baffle 413 is vertically fixed at the outer edge of the back surface of the barrel body 41, and the reinforcing plate 412 is fixed between the inner wall of the baffle 413 and the outer wall of the tool joint 7 on the barrel bottom.

It should be noted that, in order not to affect the use of the tool joint 7 on the back of the bottom of the barrel, the tool joint 7 needs to protrude beyond the baffle 413.

As shown in fig. 1 and fig. 7, the screw pile machine provided in this embodiment further includes a lifting driving mechanism, and the lifting driving mechanism is connected to the rotating power mechanism 1 to drive the rotating power mechanism 1 to ascend or descend.

The lifting driving mechanism is used for adjusting the ground clearance of the rotary power mechanism 1, so that the rotary power mechanism 1 and the drill rod 2 can be driven to lift, the soil extrusion drilling tool 3 can be driven to ascend or descend, or the stone taking drilling tool 4 can be driven to ascend or descend.

The rotary power mechanism 1 can be lifted, so that the drill rod 2 can obtain rotary power and pressurizing power, the soil-squeezing drilling tool 3 can be driven to dig the pile hole 5 in a rotary mode, or the stone-taking drilling tool 4 is driven to cut a stone body.

Further, as shown in fig. 1 and 7, the rotary power mechanism 1 includes a rotary power head 11 and a driving rod 12, wherein one end of the driving rod 12 is connected to the lifting driving mechanism, and the other end is connected to the first end 21 of the drill rod 2. The rotary power head 11 is mounted on the driving rod 12, and is used for driving the driving rod 12 to rotate, and the rotary power head 11 can move on the driving rod 12 along the axial direction of the driving rod 12.

The rotary power head 11 is an existing device, and the rotary power head 11 applied to the screw pile machine has the characteristics of low rotating speed and large torque.

When the driving rod 12 is vertically arranged, and the rotary power head 11 moves on the driving rod 12 along the axial direction of the driving rod 12, the rotary power head 11 can ascend or descend, so that the position of the rotary power head 11 can be adjusted. The process that the lifting driving mechanism drives the driving rod 12 to lift has a certain lifting range, and when the driving rod 12 moves to the critical height of the lifting range, the lifting driving mechanism cannot continuously drive the driving rod 12 to lift, and the rotary power head 11 and the drill rod 2 cannot continuously lift. But the lifting height of the drill rod 2 can be continuously adjusted by rotating the power head 11 to lift on the driving rod 12.

It can be seen that the rotary power head 11 moves on the driving rod 12 along the axial direction of the driving rod 12, and the lifting range of the drill rod 2 can be increased on the premise of not increasing the lifting range of the driving rod 12, so that the applicability of the screw pile machine can be improved, the total height of the screw pile machine does not need to be increased, and the overturning danger of the screw pile machine can be reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A screw pile driver, comprising a rotary power mechanism (1), is characterized in that, also comprises a drill pipe (2), a soil extruding drilling tool (3) and a rock drilling tool (4);

The drill rod (2) includes a first end (21) and a second end (22), and the rotary power mechanism (1) is connected with the first end (21) of the drill rod (2) for driving The drill pipe (2) rotates;

Both the earth extruding tool (3) and the rock drilling tool (4) can be connected to the second end (22) of the drill pipe (2), and the earth extruding drill (3) and the The rock drilling tool (4) is selectively connected with the second end (22) of the drill pipe (2);

The earth extruding drill (3) is used to rotate under the driving of the drill pipe (2) to excavate the pile hole (5) underground; the rock drilling tool (4) is used for the drilling The rod (2) rotates under the drive to cut the stone body in the pile hole (5) and accommodate the cut stone core.

2. The screw pile driver according to claim 1, characterized in that, the outer wall of the drill pipe (2) is provided with an equal-diameter helical blade (23), and the rock drilling tool (4) comprises an equal-diameter cylinder The outer diameter of the helical blade (23) of the drill pipe (2) and the diameter of the cylindrical body (41) are equal to the diameter of the pile hole (5).

3 . The screw pile driver according to claim 2 , wherein the rock drilling tool ( 4 ) further comprises a plurality of cutting pieces ( 42 ), and the plurality of cutting pieces ( 42 ) are arranged along the cylindrical body ( 3 . 41) in the circumferential direction, and are installed at intervals on the side edge of the cylinder opening of the cylinder body (41).

4. The screw pile driver according to claim 3, wherein the rock drilling tool (4) further comprises a clamping member (43);

A mounting hole (411) is provided on the side wall of the cylinder body (41) close to the cylinder opening, the clamping member (43) is installed in the mounting hole (411), and the clamping member (43) is installed in the mounting hole (411). One end extends into the cylinder body (41) to abut with the stone core in the cylinder body (41).

5 . The screw pile driver according to claim 4 , characterized in that, both the clamping member ( 43 ) and the mounting hole ( 411 ) are multiple, and the multiple mounting holes ( 411 ) are along the barrel. 6 . The circumferential direction of the body (41) is equally spaced on the side wall of the cylindrical body (41), and a plurality of the fasteners (43) are installed in the plurality of the mounting holes (411) in a one-to-one correspondence.

6. The screw pile driver according to claim 4, characterized in that, the clamping member (43) is inserted into the installation hole (411).

7. The screw pile driver according to any one of claims 2-6, wherein a drill joint is installed on the second end (22) of the drill pipe (2);

The bottom of the cylindrical body (41) includes a back surface located outside the cylindrical body (41); A drill pipe joint (7) adapted to the joint is provided, and the drill pipe joint (7) is detachably connected with the drill pipe joint.

8. The screw pile driver according to claim 7, wherein the drill pipe joint (7) at the bottom of the cylinder is installed in the middle of the back of the bottom of the cylinder;

A plurality of reinforcing plates (412) are vertically installed on the back of the cylinder bottom, the plurality of reinforcing plates (412) are equally spaced along the circumference of the cylinder bottom, and each of the reinforcing plates (412) is fixed between the outer edge of the back of the barrel bottom and the outer wall of the drill pipe joint (7) of the barrel bottom.

9. The screw pile driver according to claim 1, further comprising a lift drive mechanism;

The lift driving mechanism is connected with the rotary power mechanism (1) to drive the rotary power mechanism (1) to ascend or descend.

10. The screw pile driver according to claim 9, wherein the rotary power mechanism (1) comprises a rotary power head (11) and a driving rod (12), one end of the driving rod (12) is connected to the lift drive mechanism is connected, and the other end is connected with the first end (21) of the drill pipe (2);

The rotary power head (11) is mounted on the drive rod (12) for driving the drive rod (12) to rotate, and the rotary power head (11) can be mounted on the drive rod (12) move in the axial direction of the drive rod (12).