Spiral drilling machine for forming pile foundation hole

By using spray water to wet the hole wall and motor-driven lifting screw in the auger, the drilling and automatic cleaning design is solved, and the existing auger is not able to clean automatically during the drilling process, achieving efficient and safe drilling and extending the service life of the drill bit.

CN119843987APending Publication Date: 2025-04-18湖北迪工展志建设工程有限公司 +1
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Patent Information

Application Number
CN202510244754.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2025-04-18

AI Technical Summary

Technical Problem

The existing auger drilling rigs are difficult and inefficient in drilling due to lack of lubrication during drilling, and the drill bit is prone to high heat damage and cannot be automatically cleaned and affect subsequent use.

Method used

A spiral drilling rig for pile foundation hole forming is designed, which moistens the hole wall by spraying water, reduces the friction between the drill bit and the hole wall, and drives the lifting screw to drive the box body and the rotary rod to move simultaneously, realizing drilling and automatic cleaning.

Benefits of technology

The device can reduce friction by spraying water during the drilling process, improve drilling efficiency and safety, and extend the service life of the drill bit by automatic cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of spiral drilling machines, and discloses a pile foundation hole forming spiral drilling machine which comprises a base, a stand column is fixedly installed on the top face of the base, a supporting plate is fixedly installed at the top end of the stand column, a connecting plate is arranged on the outer side of the stand column in a sleeving mode, and the connecting plate is in sliding connection with the stand column. A box body is fixedly installed on the left end face of the connecting plate, a rotating rod is longitudinally arranged on the box body, the rotating rod is connected with the top and the bottom of the box body through bearings, and a drill bit is coaxially and fixedly installed at the bottom end of the rotating rod. According to the spiral drilling machine for pile foundation hole forming, it can be guaranteed that water is sprayed in the drilling process, soil on the hole wall face is wetted, friction between a drill bit and the hole wall is reduced, rapid, safe and effective drilling can be facilitated, cooling of the drill bit can be facilitated, and the service life of the drill bit is prolonged; and meanwhile, the drill bit and the spiral blade can be automatically cleaned after drilling is finished, so that follow-up use is facilitated.
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Description

Technical Field

[0001] The invention relates to the technical field of spiral drilling machines, in particular to a spiral drilling machine for forming pile foundation holes. Background Art

[0002] The auger drill is a kind of spiral blade drilling machine, which is a mechanical equipment used for excavating holes. With the development of economy and the acceleration of infrastructure construction, the auger drill is more widely used in pile foundation hole forming construction, but the existing auger drill still has certain defects, such as:

[0003] The "Photovoltaic Power Station Pile Foundation Drilling Device and Drill Rod" with application number CN201520612738.3, during the drilling process, due to the large friction between the drill bit and the soil on the inner wall of the hole and the lack of lubrication, not only makes the drilling difficult and inefficient, but also easily causes the drill bit to be damaged by high heat, which is not conducive to the safe, stable and effective use of the spiral drilling machine; at the same time, after drilling, the spiral blades and the drill bit are automatically cleaned reciprocatingly, which is not conducive to subsequent use;

[0004] In view of this, in-depth research was conducted on the above-mentioned problems, and a spiral drilling rig for pile foundation hole forming was proposed. Summary of the invention

[0005] The object of the present invention is to provide a spiral drill for pile foundation hole forming, so as to solve the problems mentioned in the above background technology that the existing spiral drill is not conducive to the safe, stable and effective use of the spiral drill and cannot be automatically cleaned, affecting subsequent use.

[0006] To achieve the above object, the present invention provides the following technical solution: an auger drilling machine for pile foundation hole forming, comprising a base,

[0007] A column is fixedly installed on the top surface of the base, and a support plate is fixedly installed on the top of the column, a connecting plate is sleeved on the outer side of the column, and the connecting plate is slidably connected to the column, a box body is fixedly installed on the left end surface of the connecting plate, and a rotating rod is longitudinally arranged on the box body, the rotating rod is connected to the top and bottom bearings of the box body, and a drill bit is coaxially fixedly installed on the bottom end of the rotating rod, a spiral blade is fixedly installed on the surface of the rotating rod, and the spiral blade is located between the box body and the drill bit;

[0008] A box is fixedly installed on the top surface of the support plate, and a driving mechanism for driving the connecting plate to move up and down is arranged in the box, a transmission mechanism is arranged on the driving mechanism, and a rotating mechanism for driving the rotating rod to rotate is arranged at the bottom end of the transmission mechanism, a reciprocating mechanism is arranged on the driving mechanism, and an infusion mechanism is arranged on the left end of the reciprocating mechanism, a diversion mechanism is connected to the bottom end of the infusion mechanism, a hose is arranged at the bottom of the diversion mechanism, and the hose is fixedly passed through the support plate, and the hose is connected to a through pipe through a connecting mechanism, the through pipe is fixedly passed through the rotating rod and extends to the inside of the drill bit, and a nozzle is passed through the through pipe, and the nozzle passes through the surface of the drill bit, a connecting pipe is arranged at the left end of the diversion mechanism, and the connecting pipe is fixedly passed through the left side wall of the box and the supporting plate in sequence, and a nozzle is fixedly passed through the right side of the connecting pipe at an equidistant and uniform distance, and the nozzle is located on the left side of the rotating rod.

[0009] The above technical solution is adopted to facilitate efficient, stable, safe and effective drilling, and can automatically clean the drill bit and spiral blades.

[0010] As a preferred technical solution of the present invention, the driving mechanism includes a motor, which is fixedly mounted on the inner top surface of the box body, and the shaft end of the motor is keyed to a lifting screw, and the lifting screw bearing is arranged through the support plate, the lifting screw passes through the connecting plate, and the lifting screw is threadedly connected to the connecting plate, and the bottom end of the lifting screw is connected to the top surface bearing of the base.

[0011] By adopting the above technical solution, it is convenient to drive the lifting screw rod to rotate through the motor, so that the connecting plate drives the box body to move up and down.

[0012] As a preferred technical solution of the present invention, the transmission mechanism includes a driving gear, which is fixedly sleeved on the surface of the lifting screw, and the lifting screw is located inside the box body. The lifting screw is meshed and connected with a driven gear, and a rotating shaft is coaxially fixedly installed on the bottom of the driven gear, and the bearing is arranged through the support plate.

[0013] By adopting the above technical solution, the lifting screw can be automatically driven to rotate the rotating shaft through the arrangement of the driving gear and the driven gear.

[0014] As a preferred technical solution of the present invention, the rotating mechanism includes a hollow tube, the longitudinal bearing of the hollow tube is arranged through the top and bottom of the box body, and a transmission rod is movably arranged inside the hollow tube, the top end of the transmission rod is coaxially fixedly connected with the bottom end of the rotating shaft, and the bottom end of the transmission rod is connected to the top surface bearing of the base, the structural shape of the transmission rod is square, and the hollow tube is a structure with an outer circle and an inner square that matches the transmission rod, the outer wall surface of the hollow tube is fixedly sleeved with a connecting gear, and the connecting gear is located inside the box body, the connecting gear is meshed with the connecting transmission gear, and the transmission gear is fixedly sleeved on the surface of the rotating rod.

[0015] By adopting the above technical solution, the rotating shaft can drive the transmission rod to rotate, so that the transmission rod drives the hollow tube to rotate, and drives the rotating rod, the drill bit and the spiral blade to rotate through the connecting gear and the transmission gear.

[0016] As a preferred technical solution of the present invention, the reciprocating mechanism includes a bevel gear group, the bevel gear group is fixedly mounted on the surface of the lifting screw, and a reciprocating screw is fixedly mounted on the left side of the bevel gear group, a moving plate is sleeved on the outer side of the reciprocating screw, and the reciprocating screw is threadedly connected to the moving plate, and the top surface of the moving plate is laterally slidably connected to the inner top surface of the box.

[0017] By adopting the above technical solution, when the lifting screw is rotated, the reciprocating screw is driven to rotate through the bevel gear set, so that the moving plate produces reciprocating movement.

[0018] As a preferred technical solution of the present invention, the infusion mechanism includes a cylinder, which is fixedly installed on the left inner wall of the box, and the left end of the reciprocating screw is connected to the right side bearing of the cylinder, a sliding rod is arranged through the right side wall of the cylinder for transverse sliding, and the right end of the sliding rod is fixedly connected to the left side of the movable plate, a piston is fixedly installed on the left end of the sliding rod, and the diameter of the piston matches the inner diameter of the cylinder, water inlet pipes are fixedly arranged at both the left and right ends of the top of the cylinder, and a one-way water inlet valve is arranged on the water inlet pipe, a water pumping pipe is fixedly arranged at the top of the water inlet pipe, water outlet pipes are fixedly arranged at both the left and right ends of the bottom of the cylinder, and a one-way water outlet valve is arranged on the water outlet pipe, and a water supply pipe is fixedly arranged at the bottom end of the water outlet pipe.

[0019] By adopting the above technical solution, the reciprocating movement of the movable plate drives the sliding rod and the piston to reciprocate, so that the external water is extracted and transported.

[0020] As a preferred technical solution of the present invention, the right end of the water pumping pipe is fixedly passed through the lower end of the left side wall of the water tank, and the water tank is fixedly installed on the top surface of the support plate.

[0021] The adoption of the technical solution makes it easy to store water in the water tank.

[0022] As a preferred technical solution of the present invention, the diversion mechanism includes a diversion cylinder, which is fixedly installed on the left inner wall of the box body, and the top of the diversion cylinder is fixedly connected to the bottom end of the water pipe, the bottom of the diversion cylinder is fixedly connected to the top of the hose, and the left side wall of the diversion cylinder is fixedly connected to the connecting pipe, the connection between the diversion cylinder and the hose is located on the right side of the connection between the diversion cylinder and the water pipe, the right side wall of the diversion cylinder is laterally slidably connected with a straight rod, and the left end of the straight rod is fixedly installed with a sealing plug, and the diameter of the sealing plug matches the inner diameter of the diversion cylinder, the right end of the straight rod is fixedly installed with a slide plate, and the bottom surface of the slide plate is laterally slidably connected to the top surface of the support plate, an electric telescopic rod is provided on the left side of the slide plate, and the electric telescopic rod is fixedly installed on the top surface of the support plate, and the output end of the electric telescopic rod is fixedly connected to the left side of the slide plate.

[0023] By adopting the above technical solution, it is convenient to start the electric telescopic rod to drive the moving plate, the straight rod and the sealing plug to move, thereby realizing the control of the water flow direction.

[0024] As a preferred technical solution of the present invention, the connecting mechanism includes a fixed angle bracket, which is fixedly installed on the top surface of the box body, and the top bearing of the fixed angle bracket is connected with a connecting angle tube, and one end of the connecting angle tube is fixedly connected to the hose, and the other end of the connecting angle tube is connected to the top of the through pipe through a rotating joint.

[0025] The above technical solution is adopted to ensure that water is effectively transported to the through pipe, and at the same time ensure that the through pipe can rotate relative to the connecting angle pipe.

[0026] As a preferred technical solution of the present invention, the nozzles are arranged in two groups up and down, and each group of the nozzles has a plurality of nozzles evenly arranged at equal angles.

[0027] The adoption of the above technical solution facilitates ensuring uniform and effective water spraying and ensures the effect of water spraying.

[0028] Compared with the prior art, the beneficial effects of the present invention are as follows: the spiral drilling machine for pile foundation hole forming can ensure that water is sprayed during the drilling process to moisten the soil on the hole wall and reduce the friction between the drill bit and the hole wall, which is not only convenient for fast, safe and effective drilling, but also conducive to cooling the drill bit and prolonging the service life of the drill bit. At the same time, the drill bit and spiral blades can be automatically cleaned after the drilling is completed, which is conducive to subsequent use;

[0029] 1. The motor is started to drive the lifting screw to rotate, so that the connecting plate drives the box body to move downward, thereby driving the hollow tube and the rotating rod to move downward synchronously, and the hollow tube moves relative to the transmission rod. When the lifting screw rotates, the driving gear and the driven gear drive the rotating shaft to rotate, so that the rotating shaft drives the transmission rod to rotate, thereby driving the hollow tube to rotate, and the connecting gear and the transmission gear are used to rotate the rotating rod, the drill bit and the spiral blade, so that the rotating rod, the drill bit and the spiral blade move downward and rotate at the same time, so as to realize drilling;

[0030] 2. When the lifting screw rotates, the reciprocating screw is driven to rotate through the bevel gear set, so that the moving plate drives the slide rod and the piston to reciprocate, thereby sucking water into the cylinder and outputting it into the diversion cylinder. The water can flow out through the hose and enter the through pipe through the connecting angle pipe and then be sprayed out by the nozzle, thereby moistening the hole wall and improving the drilling effect and efficiency.

[0031] 3. After the pile foundation hole is formed, the motor is used to rotate the lifting screw in the opposite direction, so that the connecting plate drives the box body to move upward, thereby causing the rotating rod, the drill bit and the spiral blade to rotate and move upward at the same time;

[0032] 4. The slide plate drives the straight rod and the piston to move to the right through the electric telescopic rod, so that water is output through the connecting pipe and sprayed out from the nozzle, thereby realizing automatic cleaning of the drill bit and spiral blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0034] Figure 2 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0035] Figure 3 This is a schematic diagram of the main cross-sectional structure of the box body of the present invention;

[0036] Figure 4 It is a schematic diagram of the main cross-sectional connection structure of the through pipe, the drill bit and the nozzle of the present invention;

[0037] Figure 5 It is a schematic diagram of the three-dimensional cross-sectional connection structure of the through pipe, the drill bit and the nozzle of the present invention;

[0038] Figure 6 This is a schematic diagram of the three-dimensional connection structure between the connecting plate and the box body of the present invention;

[0039] Figure 7 This is a schematic diagram of the main cross-sectional structure of the box body of the present invention;

[0040] Figure 8 This is a schematic diagram of the three-dimensional connection structure between the connecting gear and the transmission gear of the present invention;

[0041] Fig. 9 It is a schematic diagram of the three-dimensional cross-sectional structure of the cylinder of the present invention.

[0042] In the figure: 1, base; 2, column; 3, support plate; 4, connecting plate; 5, box body; 6, rotating rod; 7, drill bit; 8, spiral blade; 9, box body; 10, motor; 11, lifting screw; 12, driving gear; 13, driven gear; 14, rotating shaft; 15, hollow tube; 16, transmission rod; 17, connecting gear; 18, transmission gear; 19, bevel gear set; 20, reciprocating screw; 21, moving plate; 22. Cylinder; 23. Slide rod; 24. Piston; 25. Water inlet pipe; 26. Water suction pipe; 27. Water outlet pipe; 28. Water delivery pipe; 29. ​​Water tank; 30. Diverter cylinder; 31. Straight rod; 32. Sealing plug; 33. Slide plate; 34. Electric telescopic rod; 35. Hose; 36. Through pipe; 37. Spray pipe; 38. Fixed angle bracket; 39. Connecting angle pipe; 40. Rotary joint; 41. Connecting pipe; 42. Spray nozzle. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] See also Figure 1 - Fig. 9 , the technical solution of the present invention: a spiral drilling machine for forming pile foundation holes, comprising a base 1, a column 2 is fixedly installed on the top surface of the base 1, and a support plate 3 is fixedly installed on the top of the column 2, a connecting plate 4 is sleeved on the outer side of the column 2, and the connecting plate 4 is slidably connected to the column 2, a box body 5 is fixedly installed on the left end surface of the connecting plate 4, and a rotating rod 6 is longitudinally arranged on the box body 5, the rotating rod 6 is connected to the top and bottom bearings of the box body 5, and a drill bit 7 is coaxially fixedly installed on the bottom end of the rotating rod 6, and a spiral blade 8 is fixedly installed on the surface of the rotating rod 6, and the spiral blade 8 is located between the box body 5 and the drill bit 7;

[0045] A box body 9 is fixedly mounted on the top surface of the support plate 3, and a driving mechanism for driving the connection plate 4 to move up and down is arranged in the box body 9, a transmission mechanism is arranged on the driving mechanism, and a rotating mechanism for driving the rotating rod 6 to rotate is arranged at the bottom end of the transmission mechanism, a reciprocating mechanism is arranged on the driving mechanism, and an infusion mechanism is arranged at the left end of the reciprocating mechanism, and the bottom end of the infusion mechanism is connected to a shunt mechanism, and a hose 35 is arranged at the bottom of the shunt mechanism, and the hose 35 is fixedly passed through the support plate 3, and the hose 35 is connected to the support plate 3 through the connecting mechanism. A through pipe 36 is provided, the through pipe 36 is fixedly passed through the rotating rod 6 and extends to the inside of the drill bit 7, and a nozzle 37 is provided through the through pipe 36, and the nozzle 37 passes through the surface of the drill bit 7, and the nozzle 37 is provided in two groups up and down, and each group of nozzles 37 is evenly provided with a plurality of nozzles 37 at equal angles, a connecting pipe 41 is provided at the left end of the flow dividing mechanism, and the connecting pipe 41 is fixedly passed through the left side wall of the box body 9 and the supporting plate 3 in sequence, and a nozzle 42 is evenly and evenly fixedly passed through the right side of the connecting pipe 41, and the nozzle 42 is located on the left side of the rotating rod 6;

[0046] The driving mechanism includes a motor 10, which is fixedly mounted on the inner top surface of the box body 9, and the shaft end of the motor 10 is keyed to a lifting screw 11, and the bearing of the lifting screw 11 passes through the support plate 3, the lifting screw 11 passes through the connecting plate 4, and the lifting screw 11 is threadedly connected to the connecting plate 4, and the bottom end of the lifting screw 11 is connected to the top surface bearing of the base 1;

[0047] The transmission mechanism includes a driving gear 12, which is fixedly sleeved on the surface of the lifting screw 11, and the lifting screw 11 is located inside the box 9. The lifting screw 11 is meshed and connected with a driven gear 13, and a rotating shaft 14 is coaxially fixedly installed at the bottom of the driven gear 13, and the bearing is set through the support plate 3;

[0048] The rotating mechanism includes a hollow tube 15, the longitudinal bearing of the hollow tube 15 is set through the top and bottom of the box body 5, and a transmission rod 16 is movably set inside the hollow tube 15, the top of the transmission rod 16 is coaxially fixedly connected with the bottom end of the rotating shaft 14, and the bottom end of the transmission rod 16 is connected with the top surface bearing of the base 1, the structure of the transmission rod 16 is square, and the hollow tube 15 is a structure of outer circle and inner square that matches the transmission rod 16, the outer wall surface of the hollow tube 15 is fixedly sleeved with a connecting gear 17, and the connecting gear 17 is located inside the box body 5, the connecting gear 17 is meshed with a transmission gear 18, and the transmission gear 18 is fixedly sleeved on the surface of the rotating rod 6;

[0049] The reciprocating mechanism includes a bevel gear set 19, which is fixedly mounted on the surface of the lifting screw 11, and a reciprocating screw 20 is fixedly mounted on the left side of the bevel gear set 19, and a moving plate 21 is sleeved on the outer side of the reciprocating screw 20, and the reciprocating screw 20 is threadedly connected to the moving plate 21, and the top surface of the moving plate 21 is laterally slidably connected to the inner top surface of the box body 9;

[0050] The infusion mechanism includes a cylinder 22, which is fixedly mounted on the left inner wall of the box body 9, and the left end of the reciprocating screw 20 is connected to the right side bearing of the cylinder 22. A slide bar 23 is provided through the right side wall of the cylinder 22 for horizontal sliding, and the right end of the slide bar 23 is fixedly connected to the left side of the moving plate 21. A piston 24 is fixedly mounted on the left end of the slide bar 23, and the diameter of the piston 24 coincides with the inner diameter of the cylinder 22. The top left and right ends of the cylinder 22 are fixedly penetrated. A water inlet pipe 25 is provided, and a one-way water inlet valve is provided on the water inlet pipe 25. A water pumping pipe 26 is fixedly provided at the top of the water inlet pipe 25. The right end of the water pumping pipe 26 is fixedly provided through the lower end of the left wall of the water tank 29, and the water tank 29 is fixedly installed on the top surface of the support plate 3. Water outlet pipes 27 are fixedly provided at both left and right ends of the bottom of the cylinder 22, and a one-way water outlet valve is provided on the water outlet pipe 27, and a water delivery pipe 28 is fixedly provided at the bottom of the water outlet pipe 27.

[0051] The diversion mechanism includes a diversion cylinder 30, which is fixedly installed on the left inner wall of the box body 9, and the top of the diversion cylinder 30 is fixedly connected to the bottom end of the water pipe 28, the bottom of the diversion cylinder 30 is fixedly connected to the top of the hose 35, and the left side wall of the diversion cylinder 30 is fixedly connected to the connecting pipe 41, and the connection between the diversion cylinder 30 and the hose 35 is located on the right side of the connection between the diversion cylinder 30 and the water pipe 28. The right side wall of the diversion cylinder 30 is laterally slidably connected with a straight rod 31, and the left end of the straight rod 31 is fixedly installed with a sealing plug 32, and the diameter of the sealing plug 32 coincides with the inner diameter of the diversion cylinder 30. A slide plate 33 is fixedly installed on the right end of the straight rod 31, and the bottom surface of the slide plate 33 is laterally slidably connected to the top surface of the support plate 3, and an electric telescopic rod 34 is arranged on the left side of the slide plate 33, and the electric telescopic rod 34 is fixedly installed on the top surface of the support plate 3, and the output end of the electric telescopic rod 34 is fixedly connected to the left side of the slide plate 33;

[0052] The connecting mechanism includes a fixed angle bracket 38, which is fixedly installed on the top surface of the box body 5, and the top bearing of the fixed angle bracket 38 is penetrated and connected with a connecting angle tube 39, and one end of the connecting angle tube 39 is fixedly connected to the hose 35, and the other end of the connecting angle tube 39 is connected to the top of the through pipe 36 through a rotating joint 40.

[0053] Working principle: When in use, the lifting screw 11 is driven to rotate by starting the motor 10, so that the connecting plate 4 threadedly connected to the lifting screw 11 drives the box body 5 to move downward, so that the box body 5 drives the hollow tube 15, the connecting gear 17, the transmission gear 18, the rotating rod 6, the drill bit 7 and the spiral blade 8 to move downward synchronously;

[0054] When the lifting screw 11 rotates, it drives the driving gear 12 to rotate, so that the driven gear 13 meshing with the driving gear 12 drives the rotating shaft 14 to rotate, so that the rotating shaft 14 drives the transmission rod 16 to rotate synchronously, thereby rotating the hollow tube 15, and then drives the rotating rod 6, the drill bit 7 and the spiral blade 8 to rotate through the meshing connection of the connecting gear 17 and the transmission gear 18, so that the rotating rod 6, the drill bit 7 and the spiral blade 8 move downward and rotate at the same time to drill holes;

[0055] The lifting screw 11 rotates and drives the reciprocating screw 20 to rotate through the bevel gear set 19, so that the moving plate 21 drives the slide rod 23 and the piston 24 to reciprocate, so that the water in the water tank 29 is extracted through the water extraction pipe 26 and then alternately enters the cylinder body 22 through the two water inlet pipes 25, and then alternately discharged through the two water outlet pipes 27 and enters the diversion cylinder 30 through the water delivery pipe 28;

[0056] At this time, water will flow through the hose 35, pass through the connecting angle tube 39, enter the through pipe 36, and be sprayed out through the nozzle 37, thereby moistening the soil on the hole wall, reducing the friction between the drill bit 7 and the hole wall, reducing the difficulty of drilling, improving the drilling efficiency, and at the same time cooling the drill bit 7 to ensure safe and efficient drilling;

[0057] After the drilling is completed, the pile foundation hole is formed. At this time, the motor 10 drives the lifting screw 11 to rotate in the opposite direction, so that the connecting plate 4 drives the box body 5, the hollow tube 15, the connecting gear 17, the transmission gear 18, the rotating rod 6, the drill bit 7 and the spiral blade 8 to move upward, and at the same time, the electric telescopic rod 34 is started to drive the slide plate 33 to drive the straight rod 31 and the sealing plug 32 to move to the right, so that the sealing plug 32 is placed between the water pipe 28 and the hose 35. At this time, water will be output through the connecting pipe 41 and sprayed by the nozzle 42, so as to realize automatic cleaning of the rotating rod 6, the drill bit 7 and the spiral blade 8.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A spiral drilling machine for forming a pile foundation hole, comprising a base (1), characterized in that: A column (2) is fixedly mounted on the top surface of the base (1), and a support plate (3) is fixedly mounted on the top of the column (2); a connecting plate (4) is sleeved on the outer side of the column (2), and the connecting plate (4) is slidably connected to the column (2); a box body (5) is fixedly mounted on the left end surface of the connecting plate (4), and a rotating rod (6) is longitudinally arranged on the box body (5); the rotating rod (6) is connected to the top and bottom bearings of the box body (5), and a drill bit (7) is coaxially fixedly mounted on the bottom end of the rotating rod (6); a spiral blade (8) is fixedly mounted on the surface of the rotating rod (6), and the spiral blade (8) is located between the box body (5) and the drill bit (7); A box body (9) is fixedly mounted on the top surface of the support plate (3), and a driving mechanism for driving the connecting plate (4) to move up and down is arranged in the box body (9), a transmission mechanism is arranged on the driving mechanism, and a rotating mechanism for driving the rotating rod (6) to rotate is arranged at the bottom end of the transmission mechanism, a reciprocating mechanism is arranged on the driving mechanism, and an infusion mechanism is arranged at the left end of the reciprocating mechanism, the bottom end of the infusion mechanism is connected to a diversion mechanism, a hose (35) is arranged at the bottom of the diversion mechanism, and the hose (35) is fixedly passed through the support plate (3), and the hose (35) is 5) A through pipe (36) is connected through a connecting mechanism, the through pipe (36) is fixedly passed through the rotating rod (6) and extends to the interior of the drill bit (7), and a nozzle (37) is provided through the through pipe (36), and the nozzle (37) passes through the surface of the drill bit (7), a connecting pipe (41) is provided at the left end of the diversion mechanism, and the connecting pipe (41) is fixedly passed through the left side wall of the box body (9) and the support plate (3) in sequence, and a nozzle (42) is fixedly passed through the right side of the connecting pipe (41) at equal intervals, and the nozzle (42) is located on the left side of the rotating rod (6).

2. The auger drilling machine for pile foundation hole forming according to claim 1, characterized in that: The driving mechanism comprises a motor (10), the motor (10) is fixedly mounted on the inner top surface of the box body (9), and the shaft end of the motor (10) is keyed to a lifting screw (11), and the bearing of the lifting screw (11) passes through the support plate (3), the lifting screw (11) passes through the connecting plate (4), and the lifting screw (11) is threadedly connected to the connecting plate (4), and the bottom end of the lifting screw (11) is connected to the top surface bearing of the base (1).

3. The auger drilling machine for pile foundation hole forming according to claim 2, characterized in that: The transmission mechanism comprises a driving gear (12), the driving gear (12) is fixedly sleeved on the surface of the lifting screw (11), and the lifting screw (11) is located inside the box (9), the lifting screw (11) is meshedly connected with a driven gear (13), and a rotating shaft (14) is coaxially fixedly installed at the bottom of the driven gear (13), and the bearing is arranged through the support plate (3).

4. The auger drilling machine for pile foundation hole forming according to claim 3, characterized in that: The rotating mechanism comprises a hollow tube (15), wherein a longitudinal bearing of the hollow tube (15) is arranged to penetrate the top and bottom of the box body (5), and a transmission rod (16) is movably arranged inside the hollow tube (15), wherein the top end of the transmission rod (16) is coaxially fixedly connected to the bottom end of the rotating shaft (14), and the bottom end of the transmission rod (16) is connected to the top surface bearing of the base (1), the structure shape of the transmission rod (16) is square, and the hollow tube (15) is a structure with an outer circle and an inner square that matches the transmission rod (16), and a connecting gear (17) is fixedly sleeved on the outer wall surface of the hollow tube (15), and the connecting gear (17) is located inside the box body (5), and the connecting gear (17) is meshed with a transmission gear (18), and the transmission gear (18) is fixedly sleeved on the surface of the rotating rod (6).

5. The auger drilling machine for pile foundation hole forming according to claim 4, characterized in that: The reciprocating mechanism comprises a bevel gear set (19), the bevel gear set (19) is fixedly mounted on the surface of the lifting screw (11), and a reciprocating screw (20) is fixedly mounted on the left side of the bevel gear set (19), a moving plate (21) is sleeved on the outer side of the reciprocating screw (20), and the reciprocating screw (20) is threadedly connected to the moving plate (21), and the top surface of the moving plate (21) is laterally slidably connected to the inner top surface of the box body (9).

6. The auger drilling machine for pile foundation hole forming according to claim 5, characterized in that: The infusion mechanism comprises a cylinder (22), the cylinder (22) is fixedly mounted on the left inner wall of the box (9), and the left end of the reciprocating screw rod (20) is connected to the right side bearing of the cylinder (22), a sliding rod (23) is provided on the right side wall of the cylinder (22) for transverse sliding, and the right end of the sliding rod (23) is fixedly connected to the left side of the movable plate (21), and a piston (24) is fixedly mounted on the left end of the sliding rod (23), and the diameter of the piston (24) is the same as that of the movable plate (21). The inner diameters of the cylinder (22) match each other, a water inlet pipe (25) is fixedly provided at both left and right ends of the top of the cylinder (22), and a one-way water inlet valve is provided on the water inlet pipe (25), a water extraction pipe (26) is fixedly provided at the top of the water inlet pipe (25), a water outlet pipe (27) is fixedly provided at both left and right ends of the bottom of the cylinder (22), and a one-way water outlet valve is provided on the water outlet pipe (27), and a water delivery pipe (28) is fixedly provided at the bottom of the water outlet pipe (27).

7. The auger drilling machine for pile foundation hole forming according to claim 6, characterized in that: The right end of the water pumping pipe (26) is fixedly connected to the lower end of the left wall of the water tank (29), and the water tank (29) is fixedly installed on the top surface of the support plate (3).

8. The auger drilling machine for pile foundation hole forming according to claim 6, characterized in that: The diversion mechanism comprises a diversion cylinder (30), the diversion cylinder (30) is fixedly mounted on the left inner wall of the box body (9), the top of the diversion cylinder (30) is fixedly connected to the bottom end of the water pipe (28), the bottom of the diversion cylinder (30) is fixedly connected to the top of the hose (35), and the left side wall of the diversion cylinder (30) is fixedly connected to the connecting pipe (41), the connection between the diversion cylinder (30) and the hose (35) is located on the right side of the connection between the diversion cylinder (30) and the water pipe (28), and the right side wall of the diversion cylinder (30) is laterally slidably connected to the connecting pipe (41). A straight rod (31) is provided, and a sealing plug (32) is fixedly installed at the left end of the straight rod (31), and the diameter of the sealing plug (32) matches the inner diameter of the diverter tube (30); a slide plate (33) is fixedly installed at the right end of the straight rod (31), and the bottom surface of the slide plate (33) is laterally slidably connected to the top surface of the support plate (3); an electric telescopic rod (34) is provided on the left side of the slide plate (33), and the electric telescopic rod (34) is fixedly installed on the top surface of the support plate (3), and the output end of the electric telescopic rod (34) is fixedly connected to the left side of the slide plate (33).

9. The auger drilling machine for pile foundation hole forming according to claim 1, characterized in that: The connecting mechanism comprises a fixed angle frame (38), the fixed angle frame (38) is fixedly mounted on the top surface of the box body (5), and a connecting angle tube (39) is connected through the top bearing of the fixed angle frame (38), and one end of the connecting angle tube (39) is connected to the fixed connection of the hose (35), and the other end of the connecting angle tube (39) is connected to the top end of the through pipe (36) through a rotating joint (40).

10. The auger drilling machine for pile foundation hole forming according to claim 1, characterized in that: The nozzles (37) are arranged in two groups one above the other, and each group of nozzles (37) has a plurality of nozzles (37) evenly arranged at equal angles.

Citation Information

Patent Citations

  • Photovoltaic power plant pile foundation drilling equipment and drilling rod thereof

    CN204877312U