KR20070016292A - Pile construction apparatus capable of drilling and piling at a time - Google Patents

Abstract

The present invention relates to a pile construction device capable of drilling and driving at the same time, is moved up and down by the crane 200, is connected to a single auger 110 and a single auger 110 to provide rotational force, The bit part 121 for the excavation is provided, the drilling rod 120 for excavating the pile hole in the ground by the driving of the single auger 110, and installed to move up and down by the crane 200, vertical vibration The driving means 130 and the driving means 130 to generate a, and the pile (1) or the casing is excavated at the pile hole excavated by the drilling rod 120 by the vibration of the driving means 130 at the same time It includes a pile clamp 140 that clamps the pile 1 or casing around the perforated rod 120 for insertion. Therefore, it is possible to simultaneously carry out the drilling work of the file hole for inserting a file or casing and the piercing operation of inserting the file or casing into the file hole, thereby reducing the time and cost required for the construction of the file or casing. Even if it is a seat type, U type or box type, it does not need a separate guide frame, which simplifies work, and it is possible to insert a file or a casing with a small amount of stroke, thereby reducing the noise caused by the driving. Since it can be inserted as it is without rotating, it does not disturb the surrounding ground and has the effect of improving the construction quality such as verticality.

Description

PILE CONSTRUCTION APPARATUS CAPABLE OF DRILLING AND PILING AT A TIME}

1 is a side view showing a pile factory that can be punched and driven at the same time according to the present invention,

Figure 2 is a front view showing a pile municipal factory capable of drilling and driving operations at the same time according to the present invention,

3 is a partial cross-sectional view showing a state in which an air hammer is mounted on the perforated rod according to the present invention,

4 is a front view showing a pile clamp according to the present invention,

5 is a plan sectional view showing a state in which a file clamp according to the present invention clamps a U-shaped file,

Figure 6 is a cross-sectional view showing a state in which the file clamp according to the present invention clamping the box-type pile,

7a to 7e is a view sequentially showing the pile construction process by the pile construction apparatus capable of drilling and driving operations according to the present invention,

8 is a plan view for explaining the U-type pile construction procedure using a pile factory that can be punched and driven operation simultaneously according to the present invention.

<Description of Symbols for Main Parts of Drawings>

110: single auger 111: auger housing

112: rotating body 120: punched rod

121: bit portion 122: guide screw

123: air hammer 130: driving means

131: main body 132: vibro hammer

140: file clamp 141: clamp housing

142: clamp 143: cylinder

146: pressure tip 147: rotary connection

200: crane 210: reader

The present invention relates to a file construction apparatus capable of drilling and driving operations at the same time, and more particularly, file construction by enabling the drilling operation of the file hole for inserting the file and the driving operation for inserting the file into the file hole at the same time. The present invention relates to a pile construction apparatus that can reduce the time required for the construction and simultaneously perform drilling and driving operations with excellent construction quality.

In general, when constructing reinforced concrete structures or other structures, foundation works are constructed by embedding PHC, steel pipe piles or H-beams in the ground to strengthen the foundation of the ground. Construction of such piles is very important in constructing structures and buildings.

As a method for constructing piles in basic construction, pour construction and excavation construction are used.

The casting method uses the lifting rope installed on the upper part of the reader installed vertically in the crane to raise and drop the hammer of heavy weight to pile the pile, or to raise and lower the hammer by using the compressed air of the compressor. It is a method of inserting and installing in the ground, and these construction methods have a lot of restrictions on its use due to the problem of large blow sound and vibration when placing the upper end of the pile as a hammer.

Excavation method is to rotate the screw rod mounted on the auger machine to excavate the ground to form the pile ball, and then reverse the screw rod to remove it from the excavated pile ball, and then insert the pile into the pile ball. The construction method has the problem that when the screw rod is pulled out from the excavated pile hole, the soil around the pile hole collapses to fill the pile hole as well as increase the air due to the separate drilling and pile driving operations. .

In order to solve the problems of the excavation construction method, a casing treatment method for digging a pile hole using a hollow casing rod and then inserting a pile through the hollow part of the casing rod has been recently used.

In the casing processing method, the single auger and casing processing method uses the casing closed at the bottom of the casing, so the cross section of the lower part of the casing is wide when the pile is drilled, which causes severe resistance and impedes the soil of the perforated soil. Due to this, there is a disadvantage that it can be constructed only in a limited ground structure, and the retractable method using the single auger and the casing is a shoe-opening type of the lower part of the casing, so it can be reused, thereby reducing the cost by the discarded shoe method that requires the shoe at the bottom to be dead. However, there is a disadvantage that there is a limitation in the depth of the ground applied to the drilling depth, but these casing processing methods also require a long time for pile construction because the drilling and pile driving operations are performed separately. Not only is it longer, but it also increases costs. I was losing.

The present invention is to solve the above-mentioned conventional problems, an object of the present invention by allowing the drilling of the pile hole for inserting the file or casing and the piercing operation for inserting the file or casing into the pile hole at the same time Reduces the time and cost required for the construction of piles and casings.Even if the piles are sheet piles, U-shaped or box-type piles, a separate guide frame is not required. Or casing can be inserted to reduce noise caused by driving, and can be inserted as it is without rotating the file or casing, so as not to disturb the surrounding ground, and to make excellent construction quality such as verticality At the same time it is possible to provide a pile factory.

The present invention for realizing the above object is a construction device for a pile or a casing installed in a crane, which is moved up and down by a crane, connected to a single auger for providing rotational force, and connected to a single auger, and excavated at the tip. Is provided with a bit part for, the drilling rod for excavating the pile hole in the ground by the drive of a single auger, installed to move up and down by a crane, the driving means for generating vertical vibration, coupled to the driving means, pile The casing is characterized in that it comprises a pile clamp for clamping the pile or the casing around the perforated rod for insertion at the same time as the excavation into the pile hole excavated by the perforated rod by the vibration of the driving means.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

1 is a side view showing a pile factory that can be punched and driven at the same time according to the present invention, Figure 2 is a front view showing a pile factory that can be punched and driven at the same time according to the present invention. As shown, the pile construction device 100 capable of drilling and driving operations according to the present invention is a device for inserting the pile or casing into the ground, a single auger installed to move up and down by the crane (200) 110, a perforated rod 120 vertically connected to the single auger 110, driving means 130 is installed adjacent to the single auger 110 to move up and down by the crane 200, and driving means A pile clamp 140 coupled to 130.

On the other hand, since the casing is the same structure as the hollow pile 1 in the present embodiment will be described in the present embodiment taking the hollow pile (1) as an example.

Single auger 110 is coupled to the reader 210 is installed vertically to the crane 200, one side of the auger housing 111 is slidable up and down, the auger housing (220) on the lifting rope 220 of the crane (200) 111, the upper rope connecting portion 113 is connected to be guided by the reader 210 by winding and unwinding the hoisting rope 220 to reciprocate vertically. Single auger 110 has a reducer for reducing the rotational force of the motor and the motor inside to provide a rotational force for the pile hole excavation, the rotating body 112 is rotated to the rotational force of the motor is transmitted through the reducer at the bottom It is installed so that the perforated rod 120 is vertically connected to the rotating body (112).

The drilling rod 120 is flanged to the rotating body 112 of the single auger 110, the upper end is provided with a bit portion 121 is formed of a high-strength material for excavation, the driving of the single auger 110 The guide screw 122 for discharging the excavated soil excavated at the time of rotation to drill the pile hole in the ground by the ground is formed in a spiral form along the longitudinal direction on the outer peripheral surface.

The bit part 121 is fixed by the pile clamp 140 and has a diameter suitable for drilling the pile hole into which the pile 1 positioned around the drilling rod 120 can be inserted. It has a diameter that can be pulled out of the pile (1) while leaving the pile (1) intact.

The drilling rod 120 is another embodiment, as shown in Figure 3, the air hammer 123 for crushing the rock located in the excavation location by the impact of the piston driven by the compressed air bit portion 121 Can be installed at the tip

The driving means 130 is slidably coupled up and down to the reader 210 of the crane 200, and is installed adjacent to the single auger 110, and generates vertical vibration for the pile 1 driving. Being connected to the lifting rope 230 of the crane 200 is guided by the leader 210 by winding and unwinding the lifting rope 230 to reciprocate in the vertical direction.

In addition, the driving means 130 is preferably connected to the lifter 220, 230 to the crane 200 so that the vibration is not transmitted to the single auger 110 and can move independently of the single auger 110. And, if it is convenient to move the driving means 130 and a single auger 110 at the same time as the construction needs, the driving means 130 may be configured to be coupled to each other via a buffer member to the single auger 110. have.

The driving means 130 may equally supply the strong driving force to the pile 1 by installing the hammer 132 with a plurality of vibes in the main body 131 to which the pile clamp 140 is coupled.

The main body 131 of the driving means 130 is coupled so that one side is slidable up and down to the leader 210 of the crane 200, and the rope connection portion 135 of the upper lifting rope 230 of the crane 200 A rod through hole 133 is formed so that the punch rod 120 is vertically penetrated at the center thereof, and a pair of vibrators are disposed between the rod through holes 133 with the punch rod 120 interposed therebetween. A hammer mounting space 134 to which each of the hammers 132 is mounted is formed, and an outlet 136 is provided at one side to discharge the excavated soil transported upward by the guide screw 122 of the punching rod 120.

The vibro hammer 132 uses an electric motor vibrator hammer or a hydraulic vibrator hammer. In the former case, when the diameter of the file is large or a long length is required, a large force is required. In the latter case, the file length is relatively short, which is advantageous when demanding fine work, low noise and low vibration.

The pile clamp 140 may be configured to move the pile 1 around the drilling rod 120 so that the pile 1 is simultaneously inserted into the pile hole excavated by the drilling rod 120 by the vibration of the driving means 130. Clamp to be vertical.

As shown in FIG. 4, the pile clamp 140 includes a clamp housing 141 coupled to a lower side of the main body 131 of the driving means 130, and one or more clamps 142 hinged to the clamp housing 141. And one or more cylinders 143 that rotate each of the clamps 142.

The clamp housing 141 is formed with a through hole 144 through which the punching rod 120 penetrates, and a rod through hole 133 having a through hole 144 formed in the main body 131 of the driving means 130 is vertical. Coupled with a plurality of bolts and nuts on the lower side of the main body 131 to be connected to, the fixing part 145 is provided so that the upper end of the pile (1) is located and clamped.

The clamp 142 has a shape of “a” in this embodiment and is hinged to each of the two outer peripheral surfaces of the clamp housing 141 so as to be rotatable up and down, and by rotating downward, the ends thereof are clamp housing 141. Clamping the upper end of the pile (1) together with the fixing portion (145) of. In addition, the clamp 142 hinges the pressing tip 146 in contact with the pile 1 at the end pressurizing the pile 1 when clamping the pile 1, the pressing tip 146 from the clamp 142 By allowing vertical rotation, the contact area with the pile 1 is maximized when the pile 1 is clamped.

The pressing tip 146 has a shape corresponding to the shape of the outer circumferential surface of the pile 1 to be clamped to the surface pressing the pile 1, for example, is formed in an arc shape when the pile 1 is a circular hollow tube.

Both ends of the cylinder 143 are hinged to the upper end of the clamp 142 and the outer surface of the clamp housing 141, respectively, and the pressing tip 146 rotates the clamp 142 vertically by a compression stroke and an expansion stroke. 1) to clamp or release the clamping on the outer surface of the fixing part 145 of the clamp housing 141.

On the other hand, the fixing part 145 of the clamp housing 141 may have a variety of cross-sectional shape and size, and may have a structure that can be replaced from the clamp housing 141 as necessary, the file to be clamped is a hollow file In the case of (1), it is advantageous for clamping that the fixing part 145 has a ring-shaped cross section having an outer diameter that can be inserted into the hollow pile 1.

In addition, as shown in FIG. 5, when the file to be clamped is a U-type file 2, even if the fixing part 145 has a ring shape, the inner surface of the U-type file 2 is fixed. If the outer diameter can be located in the U-type pile (2) can be clamped, the clamping portion 145 of the clamp housing 141 is in the inner side in order to clamp the U-shaped pile (2) more stably It is also possible to clamp the U-shaped pile (2) via the hollow tube (9) fitted in the. At this time, the pressing tip 149 supporting the U-shaped pile 2 preferably has a contact surface in the same plane as the U-type pile 2 surface. Therefore, the hollow tube 9 having an outer diameter that can be located on the inner surface of the U-shaped pile 2 is inserted into the fixing portion 145 of the clamp housing 141, and then the sheet pile is disposed on the outer peripheral surface of the hollow tube 9. (2) After positioning the inner side to be in contact with each other, the cylinder 143 is driven to rotate the clamp 142 downward so that the seat pile 2 and the hollow between the pressing tip 149 and the fixing part 145 on one side. The tube 9 is to be fixed together, and the hollow tube 9 is fixed between the pressing tip 146 and the fixing portion 145 of the other side.

6, when the file to be clamped is a box-type file 3, the box-type file 3 is inserted through the screw rod 120 to fix the clamping part 141 of the clamp housing 141. 145, and then drives the cylinder 143 so that the upper end of the box-type pile (3) by the pressing tip 149 is fixed to the fixing portion (145).

The clamp housing 141 is a driving means 130 so that the file clamped by the clamp 142, in particular in the case of a seat pile or U-shaped or box-type pile (2,3) to rotate in the direction to be installed Rotational connecting portion 147 is provided to be rotatably coupled to the upper portion in order to be able to rotate from the longitudinal direction from the center.

The clamp housing 141 has an upper body 141a in which a coupling protrusion 147a is formed along an outer circumferential surface of the rotary housing 147, and a coupling groove 147b in which the coupling protrusion 147a is located along an inner circumferential surface thereof. In addition, the clamp 142 and the cylinder 143 is divided into the lower body 141b is installed, the coupling protrusion 147a of the upper body 141a is placed in the coupling groove 147b of the lower body 141b. In the hollow cover 148 to which the upper body 141a is fitted is fixed to the upper end of the lower body 141b by bolts so that the lower body 141b can rotate from the upper body 141a.

The operation of the pile construction apparatus 100 capable of drilling and driving operations according to the present invention having such a structure is as follows. In addition, since the casing has the same shape as the hollow pile 1, the hollow pile 1 will be described as an example.

As shown in FIG. 7A, the lifting load 120 is positioned inside the pile 1 to be constructed by winding and unwinding the lifting ropes 220 and 230 after moving the crane 200 to a point to be installed. Next, the upper end of the pile 1 is inserted into the fixing part 145 of the clamp housing 141, and then the cylinder 143 is operated to rotate the clamp 142 downward so that the pressing tip 146 moves the upper end of the pile 1. It is in close contact with the fixing part 145 to clamp.

When the clamping of the pile 1 is completed, the end of the punching rod 120 is positioned at the pile entry point, and as shown in FIG. 7B, the winch rope 220 is released to read the single auger 110 from the reader 210. The drill hole is excavated by rotating the punching rod 120 by driving the single auger 110 while descending along). At this time, by unwinding the hoisting rope 230 supporting the driving means 130, the driving means 130 is also lowered along the reader 210, and the drilling rod 120 is driven by driving the hammer 132 with a vibrator. The pile 1 is to be inserted into the pile hole excavated by the.

As shown in FIG. 7C, when the pile 1 is inserted to a desired position by simultaneously performing the file drilling and pile driving operations as described above, the cylinder 143 is operated to clamp the pile 1 as shown in FIG. 7D. Rotating 142 upward so that the pressing tip 146 is spaced apart from the upper end of the pile 1, and then the lifting ropes 220 and 230 are wound around the single auger 110, the drilling rod 120, and the driving means ( The construction of the pile is completed by raising 130), as shown in FIG. 7E. In addition, the construction step described above can be used in various pile or casing methods as a single process.

On the other hand, when drilling the pile hole is a rock layer such as weathering, soft rock, etc., the excavation is difficult only by the bit portion 121 of the punching rod 120, so the bit portion 121 is replaced with the air hammer 123. Excavation is performed to allow excavation by an air hammer 123 that crushes the rock layer by hitting the piston using compressed air.

As already mentioned, the vibro hammer 132 may also use an electric motor vibrator hammer or a hydraulic vibrator hammer according to the specification of the pile 1 or the ground properties. In addition, the vibratory hammer 132 can be applied to the electric motor vibrator auger (EVA) method when the sheet pile (2) is constructed using an electric motor vibratory hammer, and in addition, a separate dough auger (SDA) and a double rotator Auger (PRD), Prelocation Rotary Drilling (PRD), Cast in concrete pile (CIP), sand pile (sand pile) method, etc. can be used. In addition, the vibro hammer 132 using a hydraulic vibration hammer can be applied to the CIP (Cast in concrete pile) method, and other civil complaint areas due to noise and vibration. On the other hand, compared to the conventional method of inserting the file only with the hammer force, the file (1) is inserted into the file hole formed in accordance with the excavation progress of the drilling rod 120, so that the file (1) can be inserted with only a small drag force, the noise Can be reduced.

In particular, existing methods, such as SDA and PRD method, but the inner auger screw is rotated forward, and the outer casing screw is rotated by the reverse, but the pile construction device 100 that can be simultaneously punched and driven operation of the present invention is Vibration without rotating the hollow pile (1), U-shaped pile (2), box-type pile (3), sheet pile or casing while drilling into the drilling rod 120 by driving the single auger 110 By incorporating into the furnace hammer 132, it shortens the time required for the construction of piles or casings and minimizes the adverse effects on the foundation by not disturbing the surrounding ground, and an expensive consumable ring at the bottom of the conventional casing screw. It avoids the inconvenience and cost increase of attaching the bit. In particular, the U-type pile (2), box-type pile (3), sheet pile construction is clamped by the pile clamp 140 does not require a separate guide frame, excellent construction quality, such as verticality, work Stability is good.

In addition, as shown in Figure 8, the U-shaped pile (2) also in contact with each other in the order of points I, II, III, IV can be easily installed in the ground continuously, CIP (Cast in concrete pile) method In addition, not only the casing can be installed by continuously inserting a plurality of casings in contact with each other, but also because there is no need to rotate the casing. Compared to the perforation method of perforating the casing in each empty space, the gap between the casings is minimized, and the verticality of the casing is excellent, so that the construction accuracy and quality can be improved.

As described above, the pile factory which is capable of drilling and driving at the same time according to the present invention enables the drilling of the pile hole for inserting the file and the driving operation for inserting the file into the pile hole at the same time. It saves time and money, and even if the file is a sheet file, it does not need a separate guide frame, which simplifies the operation. By inserting the file as it is without rotating the file, it does not disturb the surrounding ground and has the effect of improving the construction quality such as verticality.

What has been described above is just one embodiment for carrying out the pile factory that can be punched and driven at the same time according to the present invention, the present invention is not limited to the above-described embodiment, it is claimed in the claims As will be apparent to those skilled in the art to which the present invention pertains without departing from the gist of the present invention, the technical spirit of the present invention may be changed to the extent that various modifications can be made.

Claims (6)

In the construction device of the pile or casing installed in the crane, A single auger moving up and down by the crane and providing a rotational force, A boring rod connected to the single auger and provided with a bit section for digging at the tip, and excavating a pile hole in the ground by driving of the single auger; It is installed to move up and down by the crane, the driving means for generating a vertical vibration; A file coupled to the driving means, the file clamping the pile or casing to be positioned around the drilling rod so that the pile or casing is inserted into the pile hole excavated by the drilling rod by vibration of the driving means at the same time. clamp File construction apparatus capable of drilling and driving operations including a. The method of claim 1, The perforated rod is Air hammers for crushing rocks by striking pistons driven by compressed air File construction device capable of drilling and driving at the same time characterized in that. The method of claim 1, The driving means, A main body through which the perforated rod penetrates vertically and the pile clamp is coupled to the lower side; A pair of vibrating hammers, each of which is installed with the punching rod interposed on both sides of the main body File construction apparatus capable of drilling and driving operations including a. The method according to claim 1 or 3, The pile clamp, A clamp housing coupled to the lower side of the driving means and through which the punching rod passes; At least one clamp hinged to the clamp housing and rotating to press and clamp the upper end of the pile or casing to the outer surface of the clamp housing; At least one cylinder hinged to both ends of the clamp and the clamp housing to rotate the clamp in both directions to clamp or release the clamping of the pile or casing to an outer surface of the clamp housing File construction apparatus capable of drilling and driving operations including a. The method of claim 4, wherein The clamp is, Hinged coupling of the pressing tip in contact with the pile or casing during clamping File construction device capable of drilling and driving at the same time characterized in that. The method of claim 4, wherein The clamp housing, Rotating connection part is provided so that the pile or the casing clamped by the clamp can rotate from the driving means about the longitudinal axis in the longitudinal direction. File construction device capable of drilling and driving at the same time characterized in that.

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