CN211715038U

CN211715038U - Drilling rod weight hammer hammering drilling device for CFG (cement fly-ash gravel) pile

Info

Publication number: CN211715038U
Application number: CN202020038557.5U
Authority: CN
Inventors: 崔珂玮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-10-20
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a drilling rod heavy hammer hammering drilling device of a CFG pile, which relates to a CFG pile machine and comprises a drilling tool and a heavy hammer device; the drilling tool comprises a hollow drilling rod and a drill bit arranged at the bottom of the drilling rod; the drill bit and the drill rod can synchronously rotate, and the drill bit can move up and down at the bottom of the drill rod; the heavy hammer device comprises a heavy hammer, a traction chain and a power device; the heavy hammer is a cylindrical solid steel column and is vertically suspended in the hollow drill rod through a traction chain; the lower end of the traction chain is connected with the top end of the heavy hammer, and the upper end of the traction chain is connected with the power device; the power device is arranged on a lifting frame of the power head and used for lifting the heavy hammer and releasing the heavy hammer to hammer the hammer head of the drill bit so as to break hard soil layers or stones and enable the drill rod to drill into the drill bit more quickly; the device solves the problem that the existing CFG pile machine is difficult to drill when encountering a hard soil layer or pebbles or rocks during drilling; the device is used for breaking hard soil layers, pebbles and rock layers, so that the drill rod can drill into the rock layers more quickly.

Description

Drilling rod weight hammer hammering drilling device for CFG (cement fly-ash gravel) pile

Technical Field

The utility model relates to a CFG stake machine, in particular to drilling rod weight hammering of CFG stake creeps into device.

Background

The CFG pile machine is foundation and foundation treatment equipment, is suitable for CFG construction method, precast pile, cast-in-place pile, underground continuous wall, soft foundation reinforcement and the like, and is particularly suitable for pile foundation construction of settlement engineering; the CFG pile machine can also be used as a hole forming device for drilling a cast-in-place pile and drilling and driving a precast pile; the pile frame of the CFG pile machine mainly comprises a top pulley block, a stand column, an inclined stay bar, a chassis, a walking mechanism, a slewing mechanism, a hoisting mechanism, an operating room, a hydraulic system and an electrical system; the upright column is a folding type or a column type, and adopts a box section and circular section structure type and a flange connection mode; the two sides of the upright post are provided with round or square slideways which are used as the guide and torsion resistance of the power head and the drill rod to move up and down; the box-shaped foldable upright column provided by the drilling machine can be lifted and descended by utilizing the hydraulic cylinder, is convenient and quick, and does not need to be disassembled during transportation; the lower part of the upright post is hinged with the upper disc, the middle rear part of the upright post is hinged with the diagonal brace, and the top of the upright post is provided with a pulley block for completing the lifting of the power head, the reinforcement cage, the grouting guide pipe and the like; the power head can slide up and down along the slideway; the power head adopts a three-ring speed reducing mechanism which is a rather mature product; the reducer with the large central hole has high loading overload capacity, compact structure, low noise and long service life, and is the most ideal power device for the drilling machine in China at present; the device consists of two air-cooled motors, a speed reducer, an elbow, an exhaust device, a lifting frame and a slide block; when the drilling machine works, the two motors drive the speed reducer to rotate at a high speed through the coupler, and the power low-speed shaft drives the drill rod and the drill bit to rotate through the flange.

When the existing CFG pile machine drills, when encountering a hard soil layer or pebbles or rocks, the existing CFG pile machine is difficult to drill; for this reason, the inventor designs and manufactures a drill rod hammer hammering drilling device of the CFG pile, which is used for crushing hard soil layers, pebbles and rock layers and enabling the drill rod to drill into the soil layers, pebbles and rock layers more quickly.

Disclosure of Invention

The utility model aims to provide a drilling rod heavy hammer hammering drilling device of a CFG pile, which solves the problem that the drilling is difficult to be carried out when the existing CFG pile machine is drilled with hard soil layers or pebbles or rocks; the device is used for breaking hard soil layers, pebbles and rock layers, so that the drill rod can drill into the rock layers more quickly.

The utility model adopts the technical scheme as follows: a drilling rod heavy hammer hammering drilling device for a CFG pile comprises a drilling tool and a heavy hammer device; the drilling tool comprises a hollow drilling rod and a drill bit arranged at the bottom of the drilling rod; the upper end of the drill bit is a cylindrical hammer head part, and a section of prism-shaped connecting part is arranged below the hammer head part; the connecting part is provided with a first flange, the center of the first flange is provided with a through hole matched with the cross section of the connecting part, and the connecting part can move up and down in the through hole without generating relative rotation motion; the diameter of the circular cross section of the hammer head part is larger than that of the circumscribed circle of the connecting part, and the first flange plate is clamped on the connecting part; the bottom of the drill rod is provided with a second flange plate, and the center of the second flange plate is provided with a circular through hole; the upper end of the drill bit is connected with the lower end of the drill rod through two flange plates, and the hammer head part at the upper end of the drill bit penetrates through the through hole in the second flange plate and extends into the drill rod; through the connecting structure, the drill bit and the drill rod can synchronously rotate, and the drill bit can move up and down at the bottom of the drill rod;

the heavy hammer device comprises a heavy hammer, a traction chain and a power device; the heavy hammer is a cylindrical solid steel column and is vertically suspended in the hollow drill rod through a traction chain; the lower end of the traction chain is connected with the top end of the heavy hammer, and the upper end of the traction chain is connected with the power device; the power device is arranged on a lifting frame of the power head and used for lifting the heavy hammer and then releasing the heavy hammer to hammer the hammer head part of the drill bit so as to break hard soil layers or stones and enable the drill rod to drill into the drill bit more quickly.

Preferably, the connecting part may be hexagonal prism-shaped or pentagonal prism-shaped.

Preferably, the power device comprises a cubic supporting frame, a guide rail, a moving frame, a pulley, a chain connecting rod and a transmission device;

the supporting frame is of a cubic frame structure, the top of the supporting frame is provided with an opening, and the supporting frame is arranged on a lifting frame of the power head; two parallel guide rails are vertically fixed in the supporting frame and in the centers of the front surface and the rear surface; the bottom surface of the supporting frame is a frame supporting plate;

the movable frame is a square frame, and the front and rear surfaces of the outer side of the movable frame are provided with pulleys matched with the guide rail through a protruding pulley shaft, so that the movable frame can smoothly slide up and down along the guide rail, and friction is reduced; specifically, the pulleys in front of the outer side of the moving frame are provided with two vertical rows, and the guide rails are clamped between the two vertical rows of pulleys; two vertical rows of pulleys are also arranged at the back to clamp the guide rail in the middle; the center of the bottom of the movable frame is provided with a horizontal chain connecting rod; the upper end of the traction chain penetrates through a through hole in the frame supporting plate and is connected to the chain connecting rod; the upper center of the right side surface of the movable frame is provided with a hook which consists of two rectangular hook plates with front and back opposite to each other;

the transmission device is chain transmission and comprises a transmission shaft I, a transmission shaft II, a transmission shaft III, a chain wheel I, a chain wheel II, a chain wheel III, a chain wheel IV, a transmission chain I, a transmission chain II, a hanging rod, a speed reducer and a traction motor;

the first transmission shaft is arranged on a lifting frame of the power head and positioned on the right side of the supporting frame, the front end of the first transmission shaft is arranged on a bearing with a seat, and the rear end of the first transmission shaft is connected with a traction motor through a speed reducer; a first chain wheel which synchronously rotates is arranged on the first transmission shaft; the transmission shaft II is arranged on the left side of the transmission shaft I in parallel and is positioned at the lower part of the right side of the support frame, the front end and the rear end of the transmission shaft II are arranged on a bearing with a seat, and the bearing with the seat is arranged at the lower part of the right side of the support frame; a second chain wheel and a third chain wheel which synchronously rotate are arranged on the second transmission shaft; the second chain wheel is positioned on the front side of the third chain wheel and is positioned on the left side of the first chain wheel; the transmission shaft III is arranged above the transmission shaft II in parallel and is positioned in the front upper part of the right side of the support frame, the front end and the rear end of the transmission shaft III are arranged on a bearing with a seat, and the bearing with the seat is arranged at the upper part of the right side of the support frame; a fourth chain wheel which synchronously rotates is arranged on the third transmission shaft, and the fourth chain wheel is positioned right above the third chain wheel; the first transmission chain is arranged on the first chain wheel and the second chain wheel, and the first transmission shaft drives the second transmission shaft to rotate through the first transmission chain; the transmission chain II is arranged on the chain wheel III and the chain wheel IV, and the transmission shaft II drives the transmission shaft III to rotate through the transmission chain II; the second transmission chain penetrates through a space between the two opposite hook plates, and the front side surface and the rear side surface of the second transmission chain are provided with hanging rods on the same straight line; the hanging rod is cylindrical, the hanging rod is arranged in parallel with the right side face of the movable frame, the front end and the rear end of the hanging rod exceed the hanging hook plates, the hanging rod is clamped at the lower edges of the two hanging hook plates when rotating along with the second transmission chain from bottom to top and passing through the hanging hook plates, the movable frame and the heavy hammer are lifted, the hanging rod moves in a rightward arc-shaped track when rotating to the fourth chain wheel, and the hanging rod is separated from the lower edges of the hanging hook plates; the movable frame and the heavy hammer fall freely to realize hammering of the hammer head of the drill bit; the movable frame falls to the frame support plate and stops falling.

Furthermore, the frame supporting plate is further provided with an elastic cushion pad, and the cushion pad is made of rubber and used for buffering impact force on the bottom of the supporting frame when the movable frame falls.

The beneficial effects of the utility model reside in that: the utility model provides a drilling rod heavy hammer hammering drilling device of a CFG pile, which solves the problem that the drilling is difficult to be carried out when the existing CFG pile machine is drilled with hard soil layers or pebbles or rocks; the device is used for breaking hard soil layers, pebbles and rock layers, so that the drill rod can drill into the rock layers more quickly.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic perspective view of the entire drilling apparatus.

Fig. 3 is a schematic perspective view of the drill.

Fig. 4 is a schematic perspective view of the drill bit mounted on the lower end of the drill rod.

Fig. 5 is a top view of the power plant.

Fig. 6 is a schematic perspective view of the power device.

Fig. 7 is a schematic structural view of the hanging rod.

Fig. 8 is a bottom view of the moving frame.

Fig. 9 is a schematic view of the installation of the cushion pad.

In the figure: the drilling rod comprises a drilling rod 1, a drilling head 2, a hammer head part 201, a connecting part 202, a first flange 3, a second flange 4, a heavy hammer 5, a traction chain 6, a power device 7, a power head 8, a lifting frame 9, a supporting frame 10, a frame supporting plate 101, a guide rail 11, a moving frame 12, a pulley shaft 1201, a pulley 13, a chain connecting rod 14, a transmission device 15, a first transmission shaft 1501, a second transmission shaft 1502, a third transmission shaft 1503, a first chain wheel 1504, a second chain wheel 1505, a third chain wheel 1506, a fourth chain wheel 1507, a first transmission chain 1508, a second transmission chain 1509, a hanging rod 1510, a speed reducer 1511 and a traction motor 1512; hook 16, hook plate 1601, cushion 17.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1 and 2, a drill rod hammer hammering drilling device for a CFG pile comprises a drilling tool and a hammer device; the drilling tool comprises a hollow drilling rod 1 and a drilling head 2 arranged at the bottom of the drilling rod 1; the specific structure of the drill bit 2 is shown in fig. 3 and 4, the upper end of the drill bit 2 is a cylindrical hammer head portion 201, a section of prism-shaped connecting portion 202 is arranged below the hammer head portion 201, and the connecting portion 202 may be hexagonal prism-shaped or pentagonal prism-shaped; the connecting part 202 is provided with a flange plate I3, the center of the flange plate I3 is provided with a through hole matched with the cross section shape of the connecting part 202, and the connecting part 202 can move up and down in the through hole without relative rotation motion; the diameter of the cross section of the hammer head part 201 is larger than that of the circumscribed circle of the connecting part 202, and the flange plate I3 is clamped on the connecting part 202; the bottom of the drill rod 1 is provided with a second flange plate 4, and the center of the second flange plate 4 is provided with a circular through hole; the upper end of the drill bit 2 is connected with the lower end of the drill rod 1 through two flange plates, and the hammer head part 201 at the upper end of the drill bit 2 penetrates through the through hole in the second flange plate 4 and extends into the drill rod 1; through above-mentioned connection structure, drill bit 2 and drilling rod 1 can rotate in step, and drill bit 2 can reciprocate in drilling rod 1 bottom.

As shown in FIG. 1, the weight device comprises a weight 5, a drag chain 6, and a power device 7; the heavy hammer 5 is a cylindrical solid steel column, and the heavy hammer 5 is vertically suspended in the hollow drill rod 1 through a traction chain 6; the lower end of the traction chain 6 is connected with the top end of the heavy hammer 5, and the upper end of the traction chain is connected with the power device 7; the power device 7 is mounted on a lifting frame 9 of the power head 8 and used for lifting the heavy hammer 5 and then releasing the heavy hammer head 201 to hammer the hammer head part 201 of the drill bit 2 so as to break hard soil layers or stones and enable the drill rod 1 to drill into the drill bit more quickly.

There are various solutions of the above-mentioned power plant 7, one of which is provided for a specific description in the present application; as shown in fig. 5-8, the power device 7 includes a cubic support frame 10, a guide rail 11, a moving frame 12, a pulley 13, a chain connecting rod 14, and a transmission device 15;

the supporting frame 10 is a cubic frame structure, the top of the supporting frame is open, and the supporting frame 10 is installed on a lifting frame 9 of the power head 8; two parallel guide rails 11 are vertically fixed in the center of the front and the rear surfaces in the supporting frame 10; the bottom surface of the supporting frame 10 is a frame supporting plate 101;

as shown in fig. 5 and 6, the moving frame 12 is a square frame, and the front and rear surfaces of the outer side of the moving frame are provided with pulleys 13 engaged with the guide rail 11 through the protruded pulley shafts 1201, so that the moving frame 12 can smoothly slide up and down along the guide rail 11 to reduce friction; specifically, the pulley 13 in front of the outer side of the moving frame 12 is provided with two vertical rows, and the guide rail 11 is clamped between the two vertical rows of pulleys; two vertical rows of pulleys are also arranged at the back to clamp the guide rail in the middle; a horizontal chain connecting rod 14 is arranged at the center of the bottom of the moving frame 12; the upper end of the traction chain 14 passes through a through hole on the frame support plate 101 and is connected to the chain connecting rod 14 (as shown in fig. 8); a hook 16 is arranged at the center of the upper part of the right side of the moving frame 12, and the hook 16 is composed of two rectangular hook plates 1601 (as shown in fig. 7) with front and back opposite to each other.

As shown in fig. 6, the transmission device 15 is a chain transmission, and includes a first transmission shaft 1501, a second transmission shaft 1502, a third transmission shaft 1503, a first sprocket 1504, a second sprocket 1505, a third sprocket 1506, a fourth sprocket 1507, a first transmission chain 1508, a second transmission chain 1509, a hanging rod 1510, a speed reducer 1511 and a traction motor 1512;

the first transmission shaft 1501 is installed on a lifting frame 9 of the power head 8 and is positioned on the right side of the support frame 10, the front end of the first transmission shaft 1501 is installed on a bearing with a seat, and the rear end of the first transmission shaft is connected with a traction motor 1512 through a speed reducer 1511; a first sprocket wheel 1504 which synchronously rotates is arranged on the first transmission shaft 1501; the second transmission shaft 1502 is arranged on the left side of the first transmission shaft 1501 in parallel and is positioned at the lower part of the right side of the support frame 10, the front end and the rear end of the second transmission shaft 1502 are arranged on a bearing with a seat, and the bearing with the seat is arranged at the lower part of the right side of the support frame 10; a second chain wheel 1505 and a third chain wheel 1506 which rotate synchronously are arranged on the second transmission shaft 1502; wherein the second sprocket 1505 is located on the front side of the third sprocket 1506 and is located on the left side of the first sprocket 1504; the transmission shaft three 1503 is arranged above the transmission shaft two 1502 in parallel and is positioned at the front upper part of the right side of the support frame 10, the front end and the rear end of the transmission shaft three 1503 are arranged on a bearing with a seat, and the bearing with the seat is arranged at the upper part of the right side of the support frame 10; a chain wheel IV 1507 which rotates synchronously is arranged on the transmission shaft III 1503, and the chain wheel IV 1507 is positioned right above the chain wheel III 1506; the first transmission chain 1508 is mounted on the first chain wheel 1504 and the second chain wheel 1505, and the first transmission shaft 1501 drives the second transmission shaft 1502 to rotate through the first transmission chain 1508; the second transmission chain 1509 is arranged on the third chain wheel 1506 and the fourth chain wheel 1507, and the second transmission shaft 1502 drives the third transmission shaft 1503 to rotate through the second transmission chain 1509; the second transmission chain 1509 penetrates through the space between the two opposite hook plates 1601, and the front side and the rear side of the second transmission chain 1509 are provided with hanging rods 1510 on the same straight line; the hanging rod 1510 is cylindrical, the hanging rod 1510 is arranged in parallel with the right side surface of the moving frame 12, the front end and the rear end of the hanging rod 1510 exceed the hanging hook plates 1601, the hanging rod 1510 rotates from bottom to top along with the second transmission chain 1509 and is clamped at the lower edges of the two hanging hook plates, the moving frame 12 and the heavy hammer 5 are lifted, the hanging rod 1510 moves in a rightward arc-shaped track when rotating to the fourth chain wheel 1507, and the hanging rod 1510 is separated from the lower edges of the hanging hook plates 1601; the moving frame 12 and the heavy hammer 5 fall freely to realize hammering of the hammer head 201 of the drill bit 2; the moving frame 12 falls to the frame support plate 101 and stops falling; the frame support plate 101 is further provided with a cushion pad 17 having elasticity, and the cushion pad 17 is made of rubber and is used for buffering the impact force of the moving frame 12 on the bottom of the support frame when falling (as shown in fig. 9).

When the CFG pile machine encounters a hard soil layer or a stone block during drilling, the drilling is difficult to carry out; when rotary cutting is drilled, the heavy hammer hammering drilling device is started, the drill bit drills and hammers while drilling, hard soil layers or stones are crushed, and the drill rod is made to drill faster.

Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that modifications may be made to the above-described embodiments, or equivalent changes and modifications may be made to some of the technical features of the embodiments.

Claims

1. A drilling rod heavy hammer hammering drilling device for a CFG pile comprises a drilling tool and a heavy hammer device; the drilling tool is characterized by comprising a hollow drilling rod and a drill bit arranged at the bottom of the drilling rod; the upper end of the drill bit is a cylindrical hammer head part, and a section of prism-shaped connecting part is arranged below the hammer head part; the connecting part is provided with a first flange, the center of the first flange is provided with a through hole matched with the cross section of the connecting part, and the connecting part can move up and down in the through hole without generating relative rotation motion; the diameter of the circular cross section of the hammer head part is larger than that of the circumscribed circle of the connecting part, and the first flange plate is clamped on the connecting part; the bottom of the drill rod is provided with a second flange plate, and the center of the second flange plate is provided with a circular through hole; the upper end of the drill bit is connected with the lower end of the drill rod through two flange plates, and the hammer head part at the upper end of the drill bit penetrates through the through hole in the second flange plate and extends into the drill rod; the drill bit and the drill rod can synchronously rotate, and the drill bit can move up and down at the bottom of the drill rod;

2. The drill pipe hammer peening drilling device of a CFG pile according to claim 1, wherein: the connecting part can be in a hexagonal prism shape or a pentagonal prism shape.

3. The drill pipe hammer peening drilling device for CFG pile according to claim 1 or 2, wherein: the power device comprises a cubic supporting frame, a guide rail, a moving frame, a pulley, a chain connecting rod and a transmission device;

4. The drill pipe hammer peening drilling device of the CFG pile as claimed in claim 3, wherein: the frame supporting plate is further provided with an elastic cushion pad, and the cushion pad is made of rubber and used for buffering impact force on the bottom of the supporting frame when the movable frame falls.