JP2018071112A - Pile guide and pile driving method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To drive the piles into the ground independently regardless of the progress of the work of constructing the structure supported by the pile.SOLUTION: The pile guide 1a includes a first end portion 2 for detachably holding the first pile 101 driven on the ground, a guide arm portion 3 having one end attached to the first end portion 2 and the other end extending to the side of the first pile 101, a second end portion 4 provided at the other end of the guide arm portion 3 and guiding the second pile 102 to be driven on the ground. The second end portion 4 detachably holds the second pile 102 guided by the second end portion 4 and driven on the ground. The first end portion 2 detached from the first pile 101 is supported by the second end portion 4, that holds the second pile 102, and the guide arm portion 3, rotates around the second pile 102 with the second pile 102 as a rotation axis, and guides the third pile driven on the ground.Therefore, regardless of the progress of the work of constructing the structure supported by the pile, it is possible to independently drive the piles on the ground.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a pile guide and a pile driving method.

  It is difficult to accurately drive piles supporting bridges constructed between mountains, piers constructed on coasts, rivers, and lakes into the ground because mountainous landforms, coastal seawater, and the like become obstacles. Therefore, a technique for easily and accurately driving a pile constructed to support a bridge constructed between mountains or a pier constructed on a coast into the ground has been proposed. For example, in the technique described in Patent Document 1, a jetty panel is fixed to an end portion of a floor slab of an existing jetty so as to expand the floor slab. The pier panel is provided with a cylindrical connecting portion for guiding a pile supporting the pier panel. By inserting the pile from above into the tubular connecting portion of the jetty panel fixed to the end of the existing floor slab, the pile is driven into the ground while guiding the pile to the tubular connecting portion. When the pile driven into the ground is connected to the cylindrical connecting portion, the pier panel is supported by the pile.

Japanese Patent No. 3211673

  By the way, in the above technique, the progress of the work of driving the pile into the ground is influenced by the progress of the work of constructing the structure such as the pier panel supported by the pile, and the driving of the pile into the ground is performed independently. It is impossible. For this reason, there is a demand for a technique capable of independently driving the pile into the ground regardless of the progress of the work for constructing the structure supported by the pile.

  Accordingly, an object of the present invention is to provide a pile guide and a pile driving method capable of independently driving a pile into the ground regardless of progress of work for constructing a structure supported by the pile. To do.

  In the present invention, a first end that detachably holds a first pile driven into the ground, and one end thereof is attached to the first end, and the other end extends to the side of the first pile. By providing a guide arm portion and a second end portion that is provided at the other end of the guide arm portion and guides a second pile driven into the ground, the second end portion is guided by the second end portion. The second pile driven into the ground is detachably gripped, and the first end removed from the first pile is supported by the second end and the guide arm portion gripping the second pile. It is a pile guide which can freely rotate around the second pile around the second pile as a rotation axis and guides the third pile driven into the ground.

  According to this structure, the 1st end part which detachably holds the 1st pile driven into the ground, and the one end are attached to the 1st end part, and the other end is extended to the side of the 1st pile. In the pile guide provided with the existing guide arm part and the second end part which is provided at the other end of the guide arm part and guides the second pile driven into the ground, the second end part is the second end part. The second end driven into the ground is detachably gripped, and the first end removed from the first pile includes the second end and the guide arm that grips the second pile. In order to guide the third pile driven around the second pile around the second pile with the second pile as the rotation axis while being supported by the part, the work of constructing the structure supported by the pile Regardless of the progress, the pile can be driven independently into the ground.

  In this case, the first end portion detachably grips the third pile driven into the ground by being guided by the first end portion, and the second end portion removed from the second pile is the second end portion. Guide the fourth pile driven into the ground, being rotatable around the third pile with the third pile as a rotation axis while being supported by the first end and the guide arm portion holding the three pile. Is preferred.

  According to this configuration, the first end portion is detachably gripped by the third pile driven into the ground by being guided by the first end portion, and is removed from the second pile. The fourth pile driven into the ground is rotatable around the third pile with the third pile as a rotation axis while being supported by the first end holding the third pile and the guide arm portion. In order to guide, a plurality of piles can be driven continuously regardless of the progress of the work for constructing the structure supported by the piles.

  Moreover, it is preferable that a guide arm part has a guide arm expansion-contraction mechanism part which changes the distance of a 1st end part and a 2nd end part so that expansion-contraction is possible.

  According to this structure, since the distance between the first end portion and the second end portion of the guide arm portion is telescopically changed by the guide arm expansion / contraction mechanism portion, any position from the pile already driven into the ground can be obtained. A new stake can be driven into.

  In addition, any one of the first end portion, the second end portion, and the guide arm portion preferably includes a tension member connecting portion that is connected to a tension member that transmits a tension having an upper component.

  According to this configuration, any of the first end portion, the second end portion, and the guide arm portion is transmitted with the tension having the upper component via the tension member coupling portion coupled to the tension member. The first end portion, the second end portion, and the guide arm portion that are transmitted can be guided on the pile driven into the ground while being reliably supported on the ground.

  In this case, the first pile, the second pile driven into the ground, the third pile driven into the ground, and the first pile, the second pile driven into the ground and the second pile driven into the ground It is preferable that the tension member is given tension by a winch installed in one of the structures supported by any of the three piles.

  According to this configuration, the first pile, the second pile driven into the ground, the third pile driven into the ground, and the first pile, the second pile driven into the ground, and the ground Since the tension member is given a tension by a winch installed in one of the structures supported by any of the third piles, the first end, the second end, and the guide to which the tension is transmitted The arm portion can guide the pile driven into the ground while being more reliably supported on the ground.

  In addition, any one of the first end, the second end, and the guide arm portion includes the first pile, the second pile driven into the ground, the third pile driven into the ground, and the first pile. And a support member connecting portion that is detachably connected to a support member connected to any one of the structures supported by either the second pile driven into the ground or the third pile driven into the ground. Is preferred.

  According to this configuration, the first pile, the second pile driven into the ground, the third pile driven into the ground, and the first pile, the second pile driven into the ground, and the ground The support member connected to one of the structures supported by any one of the third piles is connected to the support member in a detachable manner via the support member connecting portion, the first end, the second end Since either the first part or the guide arm part is supported, the supported first end part, second end part and guide arm part are supported more securely on the ground, and guide the pile driven into the ground. Can do.

  In addition, it is preferable that the first end portion, the second end portion, and the guide arm portion are respectively provided at the same position in plan view and at a plurality of positions in side view.

  According to this configuration, since the first end portion, the second end portion, and the guide arm portion are provided at the same position in plan view and at a plurality of positions in side view, the pile driven into the ground is more accurate. Good vertical guidance.

  In this case, it is preferable that the first end portion, the second end portion, and the guide arm portion at a plurality of positions in a side view are connected to each other by a bar-like and plate-like vertical connecting member.

  According to this configuration, any one of the first end, the second end, and the guide arm portion at a plurality of positions in a side view is connected to each other by the rod-like and plate-like vertical connecting members. The pile to be driven can be guided vertically with higher accuracy.

  A first end and a guide for guiding a third pile driven into the ground at a plurality of positions in plan view, each having a first end, a second end, and a guide arm at a plurality of positions in plan view. Any one of the arm portions is connected to each other by the first horizontal connecting member, and at any of a plurality of positions in plan view, any one of the second end portion and the guide arm portion that guides the second pile driven into the ground is first. It is preferable that the first horizontal connecting member and the second horizontal connecting member are connected to each other.

  According to this configuration, the first end portion, the second end portion, and the guide arm portion are provided at a plurality of positions in plan view, respectively, and the third pile driven into the ground is guided at the plurality of positions in plan view. Any one of the first end portion and the guide arm portion is connected to each other by the first horizontal connecting member, and the second end portion and the guide arm portion for guiding the second pile driven into the ground at a plurality of positions in plan view. Are connected to each other by either the first horizontal connecting member or the second horizontal connecting member. Therefore, it is possible to accurately guide the relative positions of the piles driven into the ground.

  Moreover, this invention is a pile driving | running method which drives a 2nd pile and a 3rd pile into the ground using the pile guide of the said invention.

  According to the pile guide and pile driving method of the present invention, the pile can be driven into the ground independently regardless of the progress of the work for constructing the structure supported by the pile.

(A) is a top view of the pile guide which concerns on 1st Embodiment, (B) is a side view of the pile guide which concerns on 1st Embodiment. It is sectional drawing by the (alpha) -alpha line of FIG. 1 (B). It is a front view which shows the state which cancelled | released fixation of the fixing | fixed part of a 2nd edge part, and extracted the wedge. (A) is a top view which shows the state which located the division | segmentation surface of the outer ring | wheel part of a 2nd edge part, and the division | segmentation part of an inner ring | wheel part so that it may become on the same plane, (B) is the 2nd of (A). It is a top view which shows the state which made the base part of the outer ring part of an edge part slide outward, (C) is a top view which shows the state which opened the outer ring part and inner ring part of the 2nd end part of (B). is there. It is a side view which shows the state which guides the 2nd pile driven into the ground by the 2nd edge part of the pile guide of FIG. 1 (A) and FIG. 1 (B). It is a side view which shows the state which reduced the distance of a 1st edge part and a 2nd edge part by a guide arm expansion-contraction mechanism part, after removing the 1st edge part of the pile guide of FIG. 5 from a 1st pile. While the distance between the first end and the second end is increased by the guide arm telescopic mechanism of the pile guide of FIG. 6, the first end is rotated around the second pile with the second pile as the rotation axis. It is a side view which shows the state made to do. It is a side view which shows the state which guides the 3rd pile driven into the ground by the 1st edge part of the pile guide of FIG. It is a side view which shows the state which reduced the distance of a 1st edge part and a 2nd edge part by a guide arm expansion-contraction mechanism part, after removing the 2nd edge part of the pile guide of FIG. 8 from a 2nd pile. While the distance between the first end and the second end is increased by the guide arm telescopic mechanism of the pile guide of FIG. 9, the second end is rotated around the third pile with the third pile as the rotation axis. It is a side view which shows the state made to do. It is a side view which shows the state which guides the 4th pile driven into the ground with the 2nd edge part of the pile guide of FIG. It is a side view which shows the state which guides the 2nd pile driven into the ground with the 2nd edge part of the pile guide which concerns on 2nd Embodiment. It is a side view which shows the state which guides the 3rd pile driven into the ground by the 1st edge part of the pile guide of FIG. It is a side view which shows the state which guides the 2nd pile driven into the ground with the 2nd edge part of the pile guide which concerns on 3rd Embodiment. In the pile guide which concerns on 4th Embodiment, it is a top view which shows the state which guides the 2nd pile driven into a ground by a 2nd edge part, while guide arm parts are mutually connected by the 2nd horizontal connection member. It is a top view which shows the state which cancelled | released the connection of the guide arm parts by the 2nd horizontal connection member of the pile guide of FIG. FIG. 17 is a plan view showing a state in which, in the pile guide of FIG. 16, the guide arm portions are connected to each other by the first horizontal connecting member and guide the third pile driven into the ground by the first end portion.

  Hereinafter, a pile guide and a pile placing method according to an embodiment of the present invention will be described in detail with reference to the drawings.

  The pile guide 1a of this embodiment shown in FIG. 1 (A) and FIG. 1 (B) includes a first end portion 2, a guide arm portion 3, and a second end portion 4. The pile guide 1a of this embodiment is used to guide a pile driven into the ground. The pile driven in this embodiment is a pile that supports a bridge constructed between mountains, a pier constructed on a coast, a river, and a lake, and is a steel pipe pile having a diameter of, for example, 300 to 3000 [mm]. .

  The first end portion 2 detachably holds the first pile driven into the ground. The first pile is a pile that has already been driven into the ground and supports a structure such as a bridge or a pier. In addition, the 1st pile does not need to support the structure. Moreover, in the following description, the ground includes both an object in which the ground is not covered with water and an object in which the ground is located below the water surface. One end of the guide arm portion 3 is attached to the first end portion 2, and the other end extends to the side of the first pile held by the first end portion 2. The 2nd end part 4 is provided in the other end of the guide arm part 3, and guides the 2nd pile driven into the ground. The second pile is a pile driven into the ground by being guided by the pile guide 1a.

  The second end portion 4 detachably grips the second pile driven into the ground by being guided by the second end portion 4. The first end 2 removed from the first pile rotates around the second pile with the second pile as a rotation axis while being supported by the second end and the guide arm portion that grips the second pile. It is free to guide the third pile driven into the ground. The third pile is also a pile driven into the ground by being guided by the pile guide 1a.

  The first end portion 2 detachably grips the third pile driven into the ground by being guided by the first end portion 2. In addition, the second end 4 removed from the second pile is supported by the first end 2 and the guide arm portion 3 that hold the third pile, and the third pile with the third pile as the rotation axis. It can freely rotate around and guide the fourth pile driven into the ground. The fourth pile is also a pile driven into the ground by being guided by the pile guide 1a.

  Hereinafter, details of the first end 2 and the second end 4 will be described. Since the first end 2 and the second end 4 have the same structure, details of the second end 4 will be described below as a representative. The second end portion 4 includes an outer ring portion 5 having a cylindrical shape, and an inner ring portion 6 having a cylindrical shape and an outer peripheral surface thereof in contact with the inner peripheral surface of the outer ring portion 5. The inner ring portion 6 has an inner peripheral surface extending in the vertical direction, and guides the piles such as the second pile and the fourth pile by the inner peripheral surface. An inner diameter of the inner ring portion 6 is a size corresponding to a diameter of a pile such as the second pile 102. The outer ring part 5 includes a split surface 7 parallel to the vertical direction and the extending direction of the guide arm part 3 at the end part far from the guide arm part 3. The inner ring portion 6 has a pair of dividing surfaces 8 parallel to the vertical direction and the radial direction of the cylindrical circular opening at positions facing each other with the center of the cylindrical circular opening interposed therebetween in plan view. including.

  In plan view, the outer ring portion 5 is an end portion closer to the guide arm portion 3, and includes a pair of base portions 9 and an opening / closing portion 10 on both sides of the dividing surface 7. The outer ring portion 5 includes a lock mechanism portion 11 and a lock fitting 12 at an end portion on the side far from the guide arm portion 3. The functions of the base 9, the opening / closing part 10, the lock mechanism part 11, and the lock fitting 12 will be described later. The inner ring portion 6 has an upper edge portion and a lower edge portion of its outer peripheral surface exposed from the upper end portion and the lower end portion of the outer ring portion 5. The inner ring portion 6 includes an outer peripheral gear 14 at the upper edge portion of the outer peripheral surface thereof. The outer peripheral gear 14 meshes with a pinion gear 13 provided on the upper surface of the second end. The pinion gear 13 is rotated by a power source such as an electric motor (not shown).

  As shown in FIG. 2, the outer ring portion 5 includes a fitting portion 23 on its inner peripheral surface, and the inner ring portion 6 includes a fitting portion 24 on its outer peripheral surface. The fitting part 23 of the outer ring part 5 and the fitting part 24 of the inner ring part 6 are fitted to each other. In addition, the fitting part 23 is not provided in the area between a pair of opening-and-closing parts 10 in the near side from the guide arm part 3 of the outer ring part 5. Therefore, in the section between the pair of opening / closing parts 10, the outer ring part 5 and the inner ring part 6 are not in contact with each other with a gap. The outer ring portion 5 includes a roller 25 in contact with the outer peripheral surface of the inner ring portion 6 on the inner peripheral surface thereof. The outer ring part 5, the inner ring part 6 and the roller 25 constitute a roller bearing. For this reason, when the pinion gear 13 is rotated by a power source (not shown), the power of the power source is transmitted to the inner ring portion 6 via the outer peripheral gear 14 meshing with the pinion gear 13, and the inner ring portion 6 is rotated.

  As shown in FIGS. 1A, 1B, and 2, the inner ring portion 6 includes a wedge insertion mechanism 15 at the upper end portion and the lower end portion thereof. The wedge insertion mechanism 15 inserts the wedge 26 between, for example, the outer peripheral surface of a pile such as the second pile 102 and the inner peripheral surface of the inner ring portion 6. By the wedge insertion mechanism 15 and the wedge 26, the second end portion 4 grips a pile such as the second pile 102. As shown by a broken line in FIG. 3, when the second end portion 4 holds a pile such as the second pile 102, the outer ring portion 5 is divided by the lock fitting 12 lowered by the lock mechanism portion 11. Opening from surface 7 is prevented.

  On the other hand, when the second end portion 4 is removed from the pile such as the second pile 102, first, as shown in FIG. 3, the lock fitting 12 is raised by the lock mechanism portion 11, and the outer ring portion 5 is divided into the split surfaces. 7 can be opened. Further, the wedge insertion mechanism 15 allows the wedge 26 inserted between the outer peripheral surface of the pile such as the second pile 102 and the inner peripheral surface of the inner ring portion 6 to be removed. As shown in FIG. 4 (A), the inner ring portion 6 is rotated by the pinion gear 13, and the split surface 7 of the outer ring portion 5 and the split surface 8 of the inner ring portion 6 are positioned on the same plane.

  As shown in FIG. 4B, each of the pair of base portions 9 of the outer ring portion 5 is arranged so that the outer ring portions 5 separated from each other by the dividing surface 7 are separated from each other and away from the guide arm portion 3. Slide towards. On the side near the guide arm portion 3 on the inner peripheral surface of the outer ring portion 5, a part of the section between the pair of opening / closing portions 10 does not slide outward and remains in the vicinity of the end portion of the guide arm portion 3. As described above, the outer ring portion 5 and the inner ring portion 6 are fitted to each other by the fitting portion 23 and the fitting portion 24, but the pair of the opening / closing portions 10 on the side closer to the guide arm portion 3 of the outer ring portion 5. Since the fitting portion 23 is not provided in the section between the outer ring portion 5 and the inner ring portion 6, the outer ring portion 5 and the inner ring portion 6 are not in contact with each other with a gap therebetween. Along with the movement, the inner ring portions 6 divided from each other by the dividing surface 8 are also separated from each other and moved outwardly away from the guide arm portion 3. The pinion gear 13 and the outer peripheral gear 14 of the inner ring portion 6 that are meshed with each other are also separated from each other.

  As shown in FIG. 4C, each of the pair of opening / closing parts 10 of the outer ring part 5 is formed by bending the outer ring part 5 outwardly in each of the opening / closing parts 10, thereby dividing the outer ring part 5 and the inner ring separated from each other. The space between the parts 6 is further expanded. Thereby, it becomes possible to remove the 2nd end part 4 from piles, such as the 2nd pile 102 grade | etc.,. When the second end 4 guides a pile such as the second pile 102, the operations of FIG. 4 (A), FIG. 4 (B) and FIG. 4 (C) as described above are performed in reverse. As shown by a broken line in FIG. 3, the lock fitting 12 is lowered by the lock mechanism portion 11, and the wedge 26 is moved by the wedge insertion mechanism 15 between the outer peripheral surface of the pile such as the second pile 102 and the inner peripheral surface of the inner ring portion 6. Left uninserted in between. When the second end 4 grips a pile such as the second pile 102, the wedge 26 is moved between the outer peripheral surface of the pile such as the second pile 102 and the inner peripheral surface of the inner ring portion 6 by the wedge insertion mechanism 15. Inserted between. The first end 2 also has the same structure as the second end 4 described above.

  Returning to FIGS. 1A and 1B, the guide arm portion 3 includes an outer tube portion 16 on the first end portion 2 side and an inner tube portion 17 on the second end portion 4 side. The inner cylinder part 17 is surrounded by the outer cylinder part 16 and is extendable in the extending direction of the guide arm part 3. Moreover, the guide arm part 3 has the guide arm expansion-contraction mechanism part 18 which changes the distance of the 1st end part 2 and the 2nd end part 4 so that expansion-contraction is possible. The guide arm expansion / contraction mechanism 18 includes, for example, a hydraulic cylinder joined to the outer cylinder 16 and a piston rod joined to the inner cylinder 17. For example, the distance between the first end 2 and the second end 4 when the guide arm 3 is enlarged to the maximum is 20 to 30 [m], and the first when the guide arm 3 is reduced to the minimum. The distance between the end 2 and the second end 4 can be about 12 to 18 [m].

  Any of the first end 2, the second end 4, and the guide arm portion 3 includes a tension member connecting portion that is connected to a tension member that transmits a tension having an upper component. In the example of FIGS. 1A and 1B, the guide arm portion 3 has a tension member connecting portion 19 at the upper end portion in the vicinity of the first end portion 2, and in the vicinity of the second end portion 4. The tension member connecting portion 20 is provided at the upper end of the. A tension member connecting portion may be provided at another portion of the guide arm portion 3 or at the first end portion 2 and the second end portion 4.

  Further, any one of the first end portion 2, the second end portion 4 and the guide arm portion 3 includes a first pile, a second pile 102 driven into the ground, a third pile driven into the ground, and A support that is detachably connected to a support member that is connected to any one of the first pile, the second pile 102 that is driven into the ground, and the third pile that is driven into the ground. It has a member connection part. In the example of FIGS. 1A and 1B, the guide arm portion 3 has a support member connecting portion 21 at the lower end portion in the vicinity of the first end portion 2, and in the vicinity of the second end portion 4. The support member connecting portion 22 is provided at the lower end portion of the. Support member connecting portions may be provided at other portions of the guide arm portion 3 or at the first end portion 2 and the second end portion 4. Further, support member connecting portions may be provided at the upper ends of the first end portion 2, the second end portion 4 and the guide arm portion 3.

  Hereinafter, a pile driving method for driving piles such as the second pile 102 and the third pile into the ground using the pile guide 1a of the present embodiment will be described. As shown in FIG. 5, the first pile 101 driven into the ground is detachably held by the first end 2 of the pile guide 1a. The wedge 26 is inserted between the outer peripheral surface of the first pile 101 and the inner peripheral surface of the inner ring portion 6 by the wedge insertion mechanism 15, so that the first end 2 is driven into the ground. 101 is detachably gripped. The first pile 101 supports a structure 110 such as a bridge or a pier. The second pile 102 driven into the ground is guided by the second end 4 of the pile guide 1a. The inner periphery of the inner ring portion 6 of the second end portion 4 in which the wedge 26 is not inserted by the wedge insertion mechanism 15 in the second pile 102 suspended from the crane 140 installed on the structure 110. Guided by the face. The position of the second end 4 that guides the second pile 102 is determined by the rotation of the second end 4 around the first pile 101 by the pinion gear 13 and the outer peripheral gear 14 of the first end 2 and the guide arm. It is adjusted as appropriate by changing the distance between the first end 2 and the second end 4 by the telescopic mechanism 18.

  The tension member connecting portion 20 in the vicinity of the second end portion 4 of the pile guide 1a is connected to a tension member 30 that transmits a tension having an upper component. The tension member 30 is given tension by the winch 130 installed in the structure 110 supported by the first pile 101 via the pole 120 installed in the structure 110 supported by the first pile 101. . The first pile 101, the second pile 102 driven into the ground, the third pile driven into the ground, and the first pile 101, the second pile driven into the ground and the second pile driven into the ground The tension member 30 may be tensioned by a winch 130 installed in any of the structures 110 supported by any of the three piles.

  As shown in FIG. 6, after the second pile 102 is driven into the ground, the second end portion 4 is guided by the second end portion 4 so that the second pile 102 driven into the ground is attached and detached. Grasp freely. The wedge 26 is inserted between the outer peripheral surface of the second pile 102 and the inner peripheral surface of the inner ring portion 6 by the wedge insertion mechanism 15, so that the second end 4 is driven into the ground. 102 is detachably gripped. The tension member 30 is removed from the tension member connecting portion 20, and the first end 2 of the pile guide 1 a is removed from the first pile 101. After the first end 2 is removed from the first pile 101, the distance between the first end 2 and the second end 4 is reduced by the guide arm telescopic mechanism 18.

  As shown in FIG. 7, the distance between the first end 2 and the second end 4 is increased by the guide arm telescopic mechanism 18 of the pile guide 1 a, while the first end 2 moves the second pile 102. The second pile 102 can be rotated as a rotation axis. The tension member connecting portion 19 in the vicinity of the first end 2 of the pile guide 1a is connected to a tension member 30 that transmits a tension having an upper component. Note that the tension member 30 is removed from the tension member connecting portion 20 after the second pile 102 is driven into the ground and before the first end 2 of the pile guide 1a is detached from the first pile 101. Alternatively, the tension member connecting portion 19 may be connected.

  As shown in FIG. 8, the third pile 103 driven into the ground is guided by the first end 2 of the pile guide 1a. The inner periphery of the inner ring portion 6 of the first end portion 2 in which the wedge 26 is not inserted by the wedge insertion mechanism 15 in the third pile 103 suspended from the crane 140 installed on the structure 110. Guided by the face. The position of the first end 2 that guides the third pile 103 is determined by the rotation of the first end 2 around the second pile 102 by the pinion gear 13 and the outer peripheral gear 14 of the second end 4 and the guide arm. It is adjusted as appropriate by changing the distance between the first end 2 and the second end 4 by the telescopic mechanism 18.

  As shown in FIG. 9, after the third pile 103 is driven into the ground, the first end 2 is attached to and detached from the third pile 103 driven into the ground by being guided by the first end 2. Grasp freely. The wedge 26 is inserted between the outer peripheral surface of the third pile 103 and the inner peripheral surface of the inner ring portion 6 by the wedge insertion mechanism 15, so that the first end portion 2 is driven into the ground. 103 is detachably gripped. The tension member 30 is removed from the tension member connecting portion 19, and the second end portion 4 of the pile guide 1 a is removed from the second pile 102. After the second end 4 is removed from the second pile 102, the distance between the first end 2 and the second end 4 is reduced by the guide arm telescopic mechanism 18.

  As shown in FIG. 10, the distance between the first end 2 and the second end 4 is increased by the guide arm telescopic mechanism 18 of the pile guide 1 a, while the second end 4 moves the third pile 103. It can be rotated around the third pile 103 as a rotation axis. The tension member connecting portion 20 in the vicinity of the second end portion 4 of the pile guide 1a is connected to a tension member 30 that transmits a tension having an upper component. The tension member 30 is removed from the tension member connecting portion 19 after the third pile 103 is driven into the ground and before the second end portion 4 of the pile guide 1a is detached from the second pile 102. Alternatively, the tension member connecting portion 20 may be connected.

  As shown in FIG. 11, the 4th pile 104 driven into the ground is guided by the 2nd end part 4 of the pile guide 1a. The inner periphery of the inner ring portion 6 of the second end portion 4 in which the wedge 26 is not inserted by the wedge insertion mechanism 15 in the fourth pile 104 suspended from the crane 140 installed on the structure 110. Guided by the face. The position of the second end 4 that guides the fourth pile 104 is determined by the rotation of the second end 4 around the third pile 103 by the pinion gear 13 and the outer peripheral gear 14 of the first end 2 and the guide arm. It is adjusted as appropriate by changing the distance between the first end 2 and the second end 4 by the telescopic mechanism 18. By repeating the steps of FIGS. 5 to 11 described above, a plurality of piles can be further placed on the ground while being guided by the pile guide 1a.

  In the present embodiment, a first end 2 that detachably holds the first pile 101 driven into the ground, and one end of the first pile 2 are attached to the first end 2. In the pile guide 1a provided with the guide arm part 3 which an end extends, and the 2nd end part 4 which is provided in the other end of the guide arm part 3, and guides the 2nd pile 102 driven into the ground, The end 4 is detachably gripped by the second pile 4 driven into the ground by being guided by the second end 4, and the first end 2 removed from the first pile 101 is The second pile 102 is supported by the second end portion 4 and the guide arm portion 3 holding the second pile 102, and the second pile 102 can be rotated around the second pile 102 as a rotation axis, and the third pile driven into the ground. In order to guide the pile 103, it is related to the progress of the work of constructing the structure supported by the pile. It not, can be carried out independently of the driving of piles into the ground.

  Further, in the present embodiment, the first end 2 is detachably gripped by the third pile 103 driven into the ground by being guided by the first end 2, and is detached from the second pile 102. The second end 4 is rotatable around the third pile 103 around the third pile 103 as a rotation axis while being supported by the first end 2 and the guide arm portion 3 holding the third pile 103. In order to guide the fourth pile 104 to be driven into the ground, a plurality of piles can be driven continuously regardless of the progress of the work for constructing the structure supported by the pile.

  Moreover, in this embodiment, since the distance of the 1st end part 2 and the 2nd end part 4 is changed in the guide arm part 3 by the guide arm expansion-contraction mechanism part 18 so that expansion and contraction is possible, it has already been driven into the ground. A new pile can be driven in any position from the pile.

  Moreover, in this embodiment, since the guide arm part 3 is transmitted with the tension having the upper component through the tension member coupling parts 19 and 20 coupled to the tension member 30, the guide arm part 3 to which the tension is transmitted. Can guide the pile driven into the ground while being securely supported on the ground.

  Moreover, in this embodiment, since the tension member 30 is given tension by the winch 130 installed on the structure 110 supported by the first pile 101, the guide arm portion 3 to which the tension is transmitted is on the ground. The pile driven into the ground can be guided while being more reliably supported.

  Hereinafter, a second embodiment of the present invention will be described. As shown in FIG. 12, the pile guide 1b of this embodiment has the same structure as the pile guide 1a of the first embodiment, but the support member connecting portions 21, 22 of the pile guide 1b are the first pile 101. Is detachably connected to the support member 40 connected to the. Note that any one of the first end 2, the second end 4, and the guide arm 3 is the first pile 101, the second pile 102 driven into the ground, and the third pile 103 driven into the ground. And a support connected to any one of the structures such as the structure 110 supported by any one of the first pile 101, the second pile 102 driven into the ground, and the third pile 103 driven into the ground. The member 40 may be detachably connected. In addition, the support member connecting portion provided at the upper end portion of the first end portion 2, the second end portion 4 and the guide arm portion 3, the first pile 101, the second pile 102 driven into the ground, and the ground Structures such as the third pile 103 driven in, the first pile 101, the second pile 102 driven into the ground, and the structure 110 supported by any of the third piles 103 driven into the ground The support member 40 connected to one of the objects may be detachably connected.

  Similar to the first embodiment, after the second pile 102 is driven into the ground, the second end portion 4 detachably holds the second pile 102 driven into the ground. The tension member 30 is removed from the tension member connecting portion 20, and the support member 40 is removed from the support member connecting portions 21 and 22 and the first pile 101. The first end 2 is removed from the first pile 101. After the first end 2 is removed from the first pile 101, the distance between the first end 2 and the second end 4 is reduced by the guide arm telescopic mechanism 18.

  Similar to the first embodiment, the distance between the first end 2 and the second end 4 is increased by the guide arm telescopic mechanism 18 while the first end 2 causes the second pile 102 to rotate. As the second pile 102 is rotated. As shown in FIG. 13, the tension member connecting portion 19 in the vicinity of the first end 2 is connected to the tension member 30. The support member connecting portions 21 and 22 are detachably connected to the support member 40 connected to the second pile 102. The third pile 103 driven into the ground is guided by the first end 2 of the pile guide 1b. The support member 40 can cope with the change of the distance between the first end 2 and the second end 4 by the guide arm expansion / contraction mechanism 18 and the rotation of the first end 2 around the second pile 102. The support member 40 is removed from the first pile 101 after the second pile 102 has been driven into the ground and before the first end 2 of the pile guide 1b is removed from the first pile 101. The support member 40 connected to the second pile 102 and the support member connecting portions 21 and 22 may be detachably connected.

  According to this embodiment, the support member connecting portion 21 detachably connected to the support member 40 by the support member 40 connected to either the first pile 101 or the second pile 102 driven into the ground. Since the guide arm portion 3 is supported via 22, the supported guide arm portion 3 can be guided on the pile driven into the ground while being more reliably supported on the ground.

  Hereinafter, a third embodiment of the present invention will be described. As shown in FIG. 14, the pile guide 1c of this embodiment is the same position in planar view, Comprising: It is the 1st end part 2, the 2nd end part 4, and the guide arm part 3 in the several position in side view. Each is provided. In the example of FIG. 14, the pile guide 1 c includes two first end portions 2, second end portions 4, and guide arm portions 3, but three or more first end portions 2, second end portions 4, and guides. Each arm portion 3 may be provided. The guide arm portions 3 at a plurality of positions in a side view are connected to each other by rod-like vertical connecting members 50.

  Each of the guide arm portions 3 of the pile guide 1c has a vertical connecting member connecting portion 27 connected to the vertical connecting member 50 at the upper end portion and the lower end portion in the vicinity of the boundary portion between the outer tube portion 16 and the inner tube portion 17. . In the example of FIG. 14, the vertical connecting member connecting portion 27 at the lower end portion of the upper guide arm portion 3, the vertical connecting member connecting portion 27 at the upper end portion of the lower guide arm portion 3, and the tension member connecting portions 19, 20 Are connected to each other by a vertical connecting member 50. Further, the vertical connecting member connecting portion 27 at the upper end portion of the lower guide arm portion 3 and the supporting member connecting portions 21 and 22 at the lower end portion of the upper guide arm portion 3 are connected to each other by the vertical connecting member 50. Yes. Further, the support member connecting portion 21 at the lower end portion of the upper guide arm portion 3 and the tension member connecting portion 19 at the upper end portion of the lower guide arm portion 3 are connected to each other, and the lower end portion of the upper guide arm portion 3 is connected. The support member connecting portion 22 and the tension member connecting portion 20 at the upper end of the lower guide arm portion 3 are connected to each other.

  Note that any of the first end 2 and the second end 4 at a plurality of positions in a side view may be connected to each other by the vertical connecting member 50. Further, any of the first end 2, the second end 4, and the guide arm 3 at a plurality of positions in a side view may be connected to each other by a plate-like vertical connecting member. The first end 2, the second end 4 and the guide arm 3 at a plurality of positions in a side view are the same as the first end 2, the second end 4 and the guide arm 3 in the first embodiment. Operate.

  According to the present embodiment, the first end portion 2, the second end portion 4 and the guide arm portion 3 are provided at the same position in a plan view and at a plurality of positions in a side view, so that they are driven into the ground. Pile can be guided vertically with higher accuracy. Further, according to the present embodiment, any one of the first end 2, the second end 4, and the guide arm 3 at a plurality of positions in a side view is connected to each other by the rod-like and plate-like vertical coupling members 50. Therefore, the pile driven into the ground can be vertically guided with higher accuracy.

  The fourth embodiment of the present invention will be described below. As shown in FIG. 15, the pile guide 1 d according to this embodiment includes a first end 2, a second end 4, and a guide arm portion 3 at a plurality of positions in plan view. In the example of FIG. 15, the pile guide 1 d includes two first end portions 2, second end portions 4, and guide arm portions 3, but three or more first end portions 2, second end portions 4, and guides. Each arm portion 3 may be provided.

  Each of the guide arm portions 3 of the pile guide 1 d includes a first horizontal connecting member 61 connected to the tension member connecting portion 19 and a second horizontal connecting member 62 connected to the tension member connecting portion 20. The first horizontal connecting member 61 and the second horizontal connecting member 62 include a horizontal connecting portion 63 for connecting the first horizontal connecting member 61 and the second horizontal connecting member 62 to each other at the tip thereof. The first horizontal connecting member 61 and the second horizontal connecting member 62 are accommodated on the upper surface of the guide arm portion 3 when not used, and can be developed on the other guide arm portion 3 side when used.

  Each of the tension member connecting portions 20 of the guide arm portion 3 in the vicinity of the second end portion 4 that guides the second pile 102 driven into the ground at a plurality of positions in plan view is connected to each other by the second horizontal connecting member 62. Is done. In addition, each of the 2nd edge part 4 may mutually be connected by the 2nd horizontal connection member 62 connected with the 2nd edge part 4. FIG.

  As shown in FIG. 16, after the second pile 102 is driven into the ground, the second horizontal connecting members 62 connected to each other are released from each other, and the second horizontal connecting member 62 is connected to the guide arm portion 3. Is housed on the top surface of the. As shown in FIG. 17, each of the tension member connecting portions 19 of the guide arm portion 3 in the vicinity of the first end portion 2 that guides the third pile 103 driven into the ground at a plurality of positions in plan view is the first. The horizontal connecting members 61 are connected to each other. Each of the first end portions 2 may be connected to each other by a first horizontal connecting member 61 connected to the first end portion 2.

  Further, the first horizontal connecting member 61 and the second horizontal connecting member 62 may not be freely housed and deployed, and each of the first horizontal connecting member 61 and the second horizontal connecting member 62 is not provided separately. Also good. For example, any one of the second end portion 4 and the guide arm portion 3 that guides the second pile 102 driven into the ground at a plurality of positions in plan view is connected by some member, and the ground at a plurality of positions in plan view. Any one of the first end portion 2 and the guide arm portion 3 that guides the third pile 103 to be driven in may be connected by some member.

  According to this embodiment, the first end 2, the second end 4, and the guide arm unit 3 are provided at a plurality of positions in plan view, and the third is driven into the ground at the plurality of positions in plan view. Any one of the first end portion 2 and the guide arm portion 3 that guides the pile 103 is connected to each other by the first horizontal connecting member 61, and guides the second pile 102 driven into the ground at a plurality of positions in plan view. Any one of the second end portion 4 and the guide arm portion 3 is connected to each other by either the first horizontal connection member 61 or the second horizontal connection member 62. Therefore, it is possible to accurately guide the relative positions of the piles driven into the ground.

  As mentioned above, although embodiment of this invention was described, this invention is implemented in various forms, without being limited to the said embodiment. For example, in the above-described embodiment, either the first end 2 or the second end 4 may have a means for measuring its position such as GPS (Global Positioning System). Further, the application of tension by the winch 130 to the guide arm expansion / contraction mechanism section 18, the tension member connection sections 19 and 20, the support member connection sections 21 and 22, and the tension member 30 may be omitted.

  In addition, the first end 2 removed from the first pile 101 is supported by the second end 4 and the guide arm portion 3 holding the second pile 102, and the second pile 102 is used as a rotation axis. The second end 4 removed from the second pile 102 is not necessarily limited to the first end 2 and the guide arm portion 3 holding the third pile 103. The third pile 103 does not have to be rotatable around the third pile 103 with the third pile 103 as a rotation axis.

  DESCRIPTION OF SYMBOLS 1a, 1b, 1c, 1d ... Pile guide, 2 ... 1st end part, 3 ... Guide arm part, 4 ... 2nd end part, 5 ... Outer ring part, 6 ... Inner ring part, 7 ... Dividing surface, 8 ... Dividing surface , 9 ... Base part, 10 ... Opening / closing part, 11 ... Lock mechanism part, 12 ... Lock metal fitting, 13 ... Pinion gear, 14 ... Outer gear, 15 ... Wedge insertion mechanism, 16 ... Outer cylinder part, 17 ... Inner cylinder part, 18 ... guide arm telescopic mechanism part, 19, 20 ... tension member connecting part, 21, 22 ... support member connecting part, 23, 24 ... fitting part, 25 ... roller, 26 ... wedge, 27 ... vertical connecting member connecting part, 30 ... tension member, 40 ... support member, 50 ... vertical connection member, 61 ... first horizontal connection member, 62 ... second horizontal connection member, 63 ... horizontal connection part, 101 ... first pile, 102 ... second pile , 103 ... third pile, 104 ... fourth pile, 110 ... structure, 120 ... pole, 130 ... Inch, 140 ... crane.

Claims (10)

A first end for detachably holding a first pile driven into the ground;
One end of the first end is attached to the first end, and the other end of the guide arm extends to the side of the first pile.
A second end portion that is provided at the other end of the guide arm portion and guides a second pile driven into the ground;
With
The second end portion detachably grips the second pile driven into the ground by being guided by the second end portion,
The first end removed from the first pile is supported by the second end holding the second pile and the guide arm portion, and the second pile is used as the rotation axis while being supported by the second pile. A pile guide that can freely rotate around the pile and guides a third pile driven into the ground. The first end portion detachably grips the third pile driven into the ground by being guided by the first end portion,
The second end portion removed from the second pile is supported by the first end portion and the guide arm portion that hold the third pile, and the third pile as a rotation axis. The pile guide according to claim 1, wherein the pile guide is rotatable around the other pile and guides a fourth pile driven into the ground.   The pile guide according to claim 1 or 2, wherein the guide arm portion includes a guide arm expansion / contraction mechanism that changes a distance between the first end and the second end so as to be expandable / contractible.   Any one of the first end portion, the second end portion, and the guide arm portion includes a tension member connecting portion that is connected to a tension member that transmits a tension having an upper component. The pile guide according to item 1.   The first pile, the second pile driven into the ground, the third pile driven into the ground, the first pile, the second pile driven into the ground, and the ground 5. The pile guide according to claim 4, wherein the tension member is given the tension by a winch installed in one of the structures supported by any of the third piles driven into the pile.   Any one of the first end, the second end, and the guide arm portion includes the first pile, the second pile driven into the ground, and the third pile driven into the ground. And a support member connected to any one of the first pile, the second pile driven into the ground, and the structure supported by the third pile driven into the ground. The pile guide of any one of Claims 1-5 which has a supporting member connection part connected freely.   The same position in plan view, Comprising: The said 1st end part, the said 2nd end part, and the said guide arm part are each provided in the some position in side view, The any one of Claims 1-6. Pile guide.   8. The device according to claim 7, wherein any of the first end portion, the second end portion, and the guide arm portion at a plurality of positions in a side view is connected to each other by a bar-like and plate-like vertical connecting member. Pile guide. The first end portion, the second end portion and the guide arm portion are provided at a plurality of positions in plan view,
At a plurality of positions in plan view, any one of the first end portion and the guide arm portion that guides the third pile driven into the ground is connected to each other by a first horizontal connecting member,
At a plurality of positions in plan view, any one of the second end portion and the guide arm portion that guides the second pile driven into the ground is either the first horizontal connection member or the second horizontal connection member. The pile guide according to any one of claims 1 to 8, wherein the pile guides are connected to each other.   A pile driving method for driving the second pile and the third pile into the ground using the pile guide according to any one of claims 1 to 9.

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