JP6476816B2 - Pile cradle device - Google Patents

Description

  The present invention relates to a pile cradle device provided at an opening portion of a pile hole when a ready-made pile is built in the pile hole.

  In construction sites where prefabricated piles are laid, a so-called “joint pile construction method” in which a plurality of prefabricated piles are added through welded joints, non-welded joints, or the like is employed. That is, with respect to the pre-bored pile hole, the top of the lower pile is held on the ground, the upper pile is hung on the top of the lower pile, and both piles are sequentially integrated in a substantially vertical direction. To the pile hole. In that work process, to hold the top of the lower pile on the ground, place a pile cradle in the opening of the pile hole and wind the wire fixed to the pile cradle around the outer peripheral surface of the ready-made pile Patent Document 1 discloses a technique for holding a ready-made pile.

  However, with the increase in the height of buildings built on pile foundations and the increase in size, the diameter of ready-made piles is increased to about 1200 mm, and the weight is increased to about 70 t. Various problems occurred in work efficiency at the construction site. A pile cradle device that can hold a lower pile by attaching a pile holding member to the gantry as a conventional technology that allows the upper pile and the lower pile to be connected without using wires when connecting a plurality of pre-made piles. Is disclosed in Patent Document 2. Patent Document 3 discloses a holding means such as a holding cylinder that can form a locking means having a shape and size that fits within a pile hole diameter at a predetermined distance from the upper end of a ready-made pile, and can lock the locking means. A method is disclosed in which an upper pile and a lower pile can be connected without using a wire by installing the pile on a pile holder and holding it on the lower pile.

JP 2009-097203 A Japanese Utility Model Publication No. 6-85438 Japanese Patent No. 4437234

  As mentioned above, pile holding by wire has various problems in terms of safety and work efficiency at the construction site, etc.In recent years, a pile holding device that can hold the lower pile is installed in the pile cradle, The upper pile and the lower pile are connected without using a wire. In order to connect the upper pile and the lower pile with high accuracy using the pile holding device, it is necessary to support the pile in the vertical direction without tilting, and the pedestal member on which the pile holding device provided in the pile cradle device is tilted It is desirable to maintain the horizontal direction.

  However, if the construction site where the ready-made piles are built is a ground with loose undulations or a ground with uneven surface strength, etc. It is necessary to install ready-made piles. In order to install and hold a pile holding device at such a construction site, it is necessary to install the pile holding device horizontally corresponding to the ground ups and downs. That is, it is desired to maintain the pedestal member on which the pile holding device is placed in a horizontal state in a construction site having undulations. In patent documents 1 thru | or 3, all are not mentioned regarding maintaining the base member of a pile cradle apparatus in a horizontal state in the construction site which has undulation, and the construction site where the intensity | strength of surface layer ground is not uniform.

  The present invention has been made in view of the above problems, and is a novel and capable of reliably maintaining a pedestal member in a horizontal direction even at a construction site having undulations or a construction site where the strength of the surface layer ground is not uniform. An object is to provide an improved pile cradle device.

  One aspect of the present invention is a pile cradle device installed so as to surround an opening of a pile hole into which a ready-made pile is built, and when installed on the ground of the opening, A pair of pedestal members arranged in parallel, a connection member connected to one end of each of the pedestal members, and fixing the pedestal members in parallel at a predetermined interval; and the pedestal member or the connection member A height adjustment unit that is provided at a predetermined interval at any one of the parts facing the ground and is capable of adjusting a height with respect to the ground while supporting the base member or the connecting member. Features.

  According to one aspect of the present invention, the pedestal member is maintained in the horizontal direction by adjusting the height of the pedestal member or the connecting member with respect to the ground, so that even in a construction site having undulations, The pedestal member can be reliably supported in the horizontal direction without fail.

  At this time, in one aspect of the present invention, the height adjusting portion may be provided on each end side of the pedestal member.

  In this way, the base member can be supported in the horizontal direction in a more reliable and stable state.

  In one embodiment of the present invention, the connecting member may be configured to be adjustable in length in the longitudinal direction.

  If it does in this way, according to the magnitude | size of the diameter of a pile hole, a base member can be stably supported now in a horizontal direction.

  In the aspect of the invention, the base member may be provided with a plurality of locking members on which a plate-like scaffold member can be placed.

  If it does in this way, the scaffold for carrying out the operation | work which builds a ready-made pile in the state which supported the base member stably in the horizontal direction can be ensured.

  In one aspect of the present invention, a single support plate member may be provided on the bottom side of the height adjusting unit for mounting the height adjusting unit.

  In this way, by using the support plate member as the reference surface, the accuracy of height adjustment by the height adjustment unit is improved, so that the pedestal member can be adjusted more reliably in the horizontal direction.

  Further, in one aspect of the present invention, the measurement unit that measures the inclination of the pedestal member with respect to the horizontal direction, and the height of the height adjustment unit is adjusted based on the measurement result of the measurement unit, and the inclination of the pedestal member It is good also as providing the control part which controls so that becomes horizontal.

  In this way, the pedestal member can be more reliably supported in a stable state in the horizontal direction according to the undulation of the ground.

  As described above, according to the present invention, the height adjusting portion that supports the base member adjusts the height relative to the ground to a desired height, so that the base member is maintained in the horizontal direction. For this reason, it becomes possible to stably support the pedestal member in the horizontal direction without fail even at the construction site having undulations.

It is a perspective view which shows the use condition of the pile cradle apparatus which concerns on one Embodiment of this invention. It is AA sectional drawing of FIG. (A) is a top view which shows schematic structure of the pile cradle apparatus which concerns on one Embodiment of this invention, (B) is a BB side view of FIG. 3 (A), (C) FIG. 4 is a CC side view of FIG. (A) is a top view which shows the structure of the principal part of the pile cradle apparatus which concerns on one Embodiment of this invention, (B) is DD side view of FIG. 4 (A). It is a top view which shows schematic structure of the modification of the pile cradle apparatus which concerns on one Embodiment of this invention. It is a top view which shows schematic structure of the other modification of the pile cradle apparatus which concerns on one Embodiment of this invention. It is a block diagram which shows schematic structure of the pile cradle apparatus which concerns on other embodiment of this invention.

  Hereinafter, preferred embodiments of the present invention will be described in detail. The present embodiment described below does not unduly limit the contents of the present invention described in the claims, and all the configurations described in the present embodiment are essential as means for solving the present invention. Not necessarily.

  First, the specification aspect of the pile receiving apparatus which concerns on one Embodiment of this invention is demonstrated using drawing. FIG. 1 is a perspective view showing a usage state of a pile cradle device according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line AA of FIG.

  The pile holder device 60 according to one embodiment of the present invention is a pile holding device that holds the ready-made pile 10 in a substantially vertical direction when the ready-made pile 10 is built in the pile hole 50 provided in the ground GN of the construction site. In order to mount 100, it installs so that the opening part 50a of the pile hole 50 may be enclosed. In the pile cradle device 60, a pair of pedestal members 61 and 62 on which the pile holding device 100 is placed are arranged in parallel at a predetermined interval having a size close to the outer diameter of the pile hole 50, and the pedestal members 61 and 62 The end portions 61a and 62a (see FIG. 3A) are connected to the connecting member 63 by welding or the like to form a substantially U-shape.

  Thus, when the base members 61 and 62 are connected to the connecting member 63 so as to have a substantially U-shaped shape, when the pile receiving device 60 is installed in the opening 50 a of the pile hole 50, The members 61 and 62 are arranged in parallel through the opening 50a. For this reason, by placing the pile holding device 100 on the pedestal members 61 and 62, stable pile holding by wireless connecting the upper pile and the lower pile without using a wire is performed.

  Moreover, when building the ready-made pile 10 using the pile holding device 100, when the pile holding device 100 is supported only by the base members 61 and 62, the base members 61 and 62 are pile holes by the weight of the ready-made pile 10. There is a possibility that the pile holding device 100 cannot be stably supported by inclining inward toward 50. For this reason, in this embodiment, the base member 61, 62 is connected to the connecting member 63, and the base member 61, 62 is fixed in parallel at a predetermined interval, so that the connecting member 63 is connected to the base member 61, 62. Since it functions as a rotation stopper, stable pile holding by the pile holding device 100 is realized.

  Furthermore, in the present embodiment, a portion such as a jack that can adjust the height relative to the ground GN while supporting the pedestal members 61, 62 is provided at a portion of the pedestal member 61, 62 facing the ground GN in the pile cradle device 60. The height adjusting portion 64 is provided on both end sides of the base members 61 and 62. One support plate member 68 is provided on the bottom side of the height adjustment unit 64 in order to increase the accuracy of height adjustment. By providing the height adjusting portion 64 in this manner, the pedestal members 61 and 62 can be reliably supported in the horizontal direction even at a construction site having undulations.

  Moreover, in this embodiment, as shown in FIG. 1, the plate-shaped scaffold member 67 by which the mesh | network was provided in the outer frame in the outer edge side of the pile cradle apparatus 60 is installed. The scaffold member 67 is supported by a plurality of locking members 65 and 66 provided on the pedestal members 61 and 62, respectively, and a scaffold for performing the work of building the ready-made pile 10 is secured. In addition, the detailed description of a structure and operation | movement of the pile cradle apparatus 60 which concerns on this embodiment is mentioned later.

  In the present embodiment, the pile holding device 100 holds the ready-made pile 10 in a substantially vertical direction when the ready-made pile 10 provided with the annular convex portion 18 on the outer peripheral surface 12c of the pile main body 12 is built in the pile hole 50. And installed in the opening 50 a of the pile hole 50. As shown in FIG. 1, the pile holding device 100 is wound around a predetermined portion of the outer peripheral surface 12 c of the ready-made pile 10, and has a substantially cylindrical holding cylinder 102 that holds the ready-made pile 10 in a substantially vertical direction; A flange 104 is provided on the bottom side of the holding cylinder 102 and has a larger outer diameter than the holding cylinder 102.

  When the pile holding device 100 is installed in the pile hole opening 50a, the pile holding device 60 is provided with a substantially U-shaped pile receiving device 60 around the opening 50a. It is placed and installed in the opening 50 a of the pile hole 50. In this embodiment, the flange portion 104 is provided as an auxiliary member in order to place the pile holding device 100 on the pile cradle device 60. However, the auxiliary member is not limited to the flange shape, for example, A vertical rib attached to the outer peripheral surface side of the holding cylinder 102 may be used.

  The holding cylinder 102 is formed in a substantially cylindrical shape by connecting a plurality of (for example, four) holder pieces 103 that are substantially arc-shaped curved plates in an annular arrangement. In the present embodiment, the holding cylindrical body 102 is formed with an annular recess that can be fitted to the annular protrusion 18 formed on the outer peripheral surface 12c of the pile body 12 of the ready-made pile 10 on the inner peripheral surface side. The ready-made pile 10 is supported in a substantially vertical direction by being wound around the ready-made pile 10 so as to cover the portion 18. That is, the holding cylinder 102 is wound around a portion of the pile body 12 where the annular protrusion 18 is provided, and supports the ready-made pile 10 in a substantially vertical direction. In the present embodiment, as shown in FIG. 2, as an annular recess, a tapered surface formed by increasing the diameter from the bottom 102 b side to the top 102 a side at a certain rate on the inner peripheral surface side of the holding cylinder 102. 102c is provided.

  The tapered surface 102c is formed in an annular shape along the inner peripheral surface side of the holding cylinder 102, and an impact buffer member 108 made of hard rubber or the like having rubber hardness within a predetermined range is provided on the inner peripheral surface side. It is done. In this embodiment, when attaching the pile holding device 100 to the ready-made pile 10, the shock to the ready-made pile 10 is reliably mitigated, and the ready-made pile 10 in the case where there is a clearance based on manufacturing errors of the ready-made pile 10, etc. The rubber hardness of the shock absorbing member 108 is in the range of 50 degrees or more and less than 100 degrees so that the rattling is reduced and stable holding at a fixed position is possible. That is, in order to hold the ready-made pile 10 in a fixed position while buffering the impact due to the load of the ready-made pile 10 that is increased in weight as the diameter increases, the numerical range of the rubber hardness of the shock-absorbing member 108 is 50 It is preferable that it is not less than 100 degrees and less than 100 degrees.

  The impact buffering member 108 provided on the tapered surface 102c only needs to have a rubber hardness within the above range. For example, a rubber-based material such as chloroprene rubber, ethylene propylene rubber, urethane rubber, silicon rubber, or fluorine rubber, A material used as an elastic material or a buffer material such as a synthetic resin material such as polystyrene is applied. “Rubber hardness” in the present specification refers to the hardness of an elastic material or a buffer material measured using a durometer based on the standards of ISO7619 or JIS_K — 6253 as a measuring instrument.

  Thus, in this embodiment, when the ready-made pile 10 is supported by the pile holding device 100, the tapered surface 14 (pile-side tapered surface) provided on the annular convex portion 18 of the ready-made pile 10 and the holding cylinder 102 Tapered surfaces 102c (support side tapered surfaces) provided on the inner peripheral surface side are configured to face each other with the shock absorbing member 108 interposed therebetween. For this reason, when supporting the ready-made pile 10 with the pile holding | maintenance apparatus 100, it becomes easy to apply a load equally to the pile side taper surface 14 which opposes the support side taper surface 102c. Therefore, when the ready-made pile 10 which has been increased in weight with the increase in diameter is built in the pile hole 50, it is possible to support it in a stable state at a fixed position.

  Moreover, in this embodiment, since the height adjustment part 64 is provided in the base members 61 and 62 of the pile receiving stand apparatus 60, the base member 61 which mounts the pile holding apparatus 100 corresponding to the undulation of the ground GN. 62 can be adjusted in height as appropriate and maintained in the horizontal direction. That is, when performing the wireless joint pile construction method using the pile holding device 100 to connect the upper pile and the lower pile without using a wire, the base member of the pile receiving device 60 on which the pile holding device 100 is placed. The need to maintain 61 and 62 in a horizontal state can be met. In particular, when using the pile holding device 100 to perform the wireless joint pile construction method of the ready-made pile 10 in which the annular convex portion 18 having the tapered surface 14 is provided on the outer peripheral surface 12c of the pile body 12, the pile holding device 100 is used. Since the ready-made pile 10 can be reliably held in the vertical direction at a fixed position, the efficiency and accuracy of the work of adding the ready-made pile 10 is improved.

  Next, the configuration of a pile cradle device according to an embodiment of the present invention will be described using the drawings. FIG. 3 (A) is a plan view showing a schematic configuration of a pile cradle device according to an embodiment of the present invention, and FIG. 3 (B) is a BB side view of FIG. 3 (A). FIG. 3C is a CC side view of FIG. FIG. 4 (A) is a plan view showing the configuration of the main part of the pile cradle device according to one embodiment of the present invention, and FIG. 4 (B) is a DD side view of FIG. 4 (A). FIG. 4A and 4B show a state where the scaffold member 67 is removed.

  As shown in FIG. 3 (A), the pile cradle device 60 according to one embodiment of the present invention has a pair of pedestal members 61 and 62 arranged in parallel at a predetermined interval, and these pedestal members 61 and 62. The end portions 61a and 62a are connected to the connecting member 63 by welding or the like to form a substantially U-shape. In addition, as shown in FIGS. 3B and 3C, height adjustment portions 64 for maintaining the pedestal members 61 and 62 in the horizontal direction are provided on both end sides of the pedestal members 61 and 62, respectively. ing. In the present embodiment, a jack or the like that can be moved in the height direction by a mechanism such as a hydraulic type or a gear is used as the height adjusting unit 64. However, in order to hold the weighted ready-made pile 10 wirelessly, It is preferred to use a jack of the formula.

  By providing the height adjusting portion 64 on the pedestal members 61 and 62 in this way, for example, when the inclination of the pedestal members 61 and 62 with respect to the horizontal direction is confirmed with a level or the like, either Is adjusted so that the base members 61 and 62 are in a horizontal state. Note that “horizontal” referred to in the present specification means a horizontal state that is strictly 0 degrees with respect to the horizontal direction, or an approximately straight line having a gentle inclination of, for example, about 5 degrees that is greater than 0 degrees with respect to the horizontal direction. Including horizontal state.

  In the present embodiment, a total of four height adjusting portions 64 are provided on both end sides of the pedestal members 61 and 62, but the installation location and number of the height adjusting portions 64 are different from each other. It is good. In other words, theoretically, the height adjusting portion 64 is not arranged on at least a predetermined interval in three straight lines at any one of the base members 61 and 62 or the portion of the connecting member 63 facing the ground GN. Since the plane is fixed to one by the height adjusting unit 64, the three height adjusting units 64 may be installed in this manner. However, in order to support the pedestal members 61 and 62 in the horizontal direction in a more stable and stable state, it is preferable to provide the height adjusting portions 64 on both ends of the pedestal members 61 and 62.

  In addition, on the bottom side of the height adjustment unit 64, as shown in FIGS. 3A to 3C, one sheet on which each of the height adjustment units 64 is placed in order to increase the accuracy of height adjustment. The support plate member 68 is provided. On the center side of the support plate member 60, a hole 68a having an inner diameter substantially the same size as the pile hole 50 is provided. By providing such a support plate member 68 on the bottom side of the height adjusting portion 64, the support plate member 68 is used as a reference surface for height adjustment. Therefore, the pedestal members 61 and 62 can be reliably used even at construction sites having undulations. Can be stably supported in the horizontal direction, and the height adjustment drive of the height adjustment unit 64 can be stabilized. In the present embodiment, the support plate member 68 is formed of a single steel plate or the like. For example, the support plate member 68 is configured as a foldable type formed of a plurality of steel plates so as to be spread on the construction site to become one. May be.

  Furthermore, in this embodiment, as shown to FIG. 3 (A) thru | or (C), in order to ensure the scaffold at the time of work on the outer edge side of the pile cradle apparatus 60, the plate-shaped scaffold member 67 is provided. is set up. The scaffold member 67 is a mesh-like plate-like member having a mesh provided in the outer frame, and is supported by a plurality of locking members 65 and 66 extending toward the outside of the base members 61 and 62. .

  As shown in FIGS. 3 (A) and 3 (B), two locking members 65 extend in a substantially vertical direction with respect to the longitudinal direction of the base members 61 and 62, respectively. 4A and 4B, the locking member 65 extends in a direction substantially perpendicular to the longitudinal direction of the base members 61 and 62 when in use, and the base member 61 when not in use. , 62 is folded in the longitudinal direction. That is, as shown in FIG. 4A, the locking member 65 is configured to be openable and closable via the rotation shaft 65a.

  On the other hand, as shown in FIGS. 3 (A) and 3 (C), the locking member 66 extends in the longitudinal direction from the inside of the base members 61 and 62, and as shown in FIGS. 4 (A) and 4 (B). When in use, it extends in the longitudinal direction of the pedestal members 61, 62, and when not in use, it is removed from the locking cylinder portion 66a provided inside the pedestal members 61, 62. That is, the locking member 66 is configured to be detachable from the locking cylinder portion 66a.

  In the present embodiment, since the plurality of locking members 65 and 66 on which the scaffold member 67 can be placed are provided on the base members 61 and 62, the base members 61 and 62 are stably supported in the horizontal direction. A scaffold for building the ready-made pile 10 can be secured. In addition, as long as the width | variety of the base members 61 and 62 has sufficient magnitude | size for the operation | work which builds the ready-made pile 10, it is not necessary to set it as the structure which can install the scaffold member 67. FIG.

  As described above, in the pile cradle device 60 of the present embodiment, the height adjusting unit 64 that supports the base members 61 and 62 adjusts the height with respect to the ground GN, so that the base members 61 and 62 are in the horizontal direction. Maintained. For this reason, since the pedestal members 61 and 62 are reliably supported in a horizontal state even in a construction site having undulations or a construction site where the strength of the surface layer ground is not uniform, the pile holding device 100 is attached to the pile cradle device 60. By mounting, wireless joint pile construction can be performed efficiently and accurately.

  In addition, according to the magnitude | size of the diameter of the pile hole 50, in order to be able to support the base members 61 and 62 stably in a horizontal direction, the connection member 63 becomes a structure which can adjust the length of a longitudinal direction. It may be. The modification of the pile cradle apparatus which concerns on one Embodiment of this invention is demonstrated using drawing. FIG. 5: is a top view which shows schematic structure of the modification of the pile cradle apparatus which concerns on one Embodiment of this invention.

  In the present embodiment, as shown in FIG. 5, the connecting member 163 provided in the pile cradle device 160 has a connecting member 163 for arranging and fixing the base members 161 and 162 in parallel at a predetermined interval at the end. It is comprised from several connection member 163a, 163b, 163c provided with the flange 171 fastened with the volt | bolt 172. FIG. Then, by attaching a member having a desired length as the central connecting member 163b that is a portion to which both ends are fastened by bolts 172, the interval between the base members 161 and 162 is adjusted to a desired size.

  That is, the flange 171 and the bolt 172 provided in the connecting member 163 serve as the interval adjusting unit 170 for adjusting the interval between the base members 161 and 162 to a desired size via the connecting member 163b. Note that the connecting member 163 may have another configuration in which the length is automatically adjusted by a movable jack driven by a motor or the like as long as the size of the connecting member 163 can be adjusted in the longitudinal direction. Good.

  Further, the interval adjusting means 175 for adjusting the interval between the base members 161 and 162 to have a desired size may be configured as shown in FIG. That is, as a configuration in which a flange 173 fastened by a detachable bolt 174 to a connecting member 163d (163) extending in a direction substantially perpendicular to the longitudinal direction of the base members 161 and 162 is provided at one end of the base members 161 and 162. The installation locations of the base members 161 and 162 may be movable along the connecting member 163d so that the base members 161 and 162 have a desired interval.

  Furthermore, the measurement results of the inclination of the pedestal members 61 and 62 with respect to the horizontal direction may be fed back so that the pedestal members 61 and 62 can be adjusted to be in a horizontal state. A pile cradle device according to another embodiment of the present invention will be described with reference to the drawings. FIG. 7 is a block diagram showing a schematic configuration of a pile cradle device according to another embodiment of the present invention.

  In the present embodiment, as shown in FIG. 7, the pile cradle device 260 includes a pair of pedestal members 261 and 262 arranged in parallel at a predetermined interval, and one end side of these pedestal members 261 and 262. The connecting member 263 is connected to each other by welding or the like, and has a substantially U shape. Further, height adjustment portions 264 such as jacks for maintaining the pedestal members 261 and 262 in the horizontal direction are provided on both end sides of the pedestal members 261 and 262, respectively.

  Moreover, the pile cradle device 260 of this embodiment further includes a measurement unit 269 and a control unit 270. The measurement unit 269 is configured by a level or the like that measures the inclination of the base members 261 and 262 with respect to the horizontal direction, and is provided in each of the base members 261 and 262. Further, the control unit 270 drives the height adjustment unit 264 based on the measurement result of the measurement unit 269 to adjust the height of the base members 261 and 262, so that the inclination of the base members 261 and 262 is zero. It has a function to control the degree.

  Thus, by feeding back the measurement result of the inclination of the pedestal members 261 and 262 with respect to the horizontal direction and driving the height adjustment unit 264 by the control unit 270, the pedestal members 261 and 262 are moved according to the undulation of the ground GN. It can be supported in a stable state in the horizontal direction. That is, in the present embodiment, the pedestal is automatically formed by the control unit 270 based on the measurement result of the inclination of the pedestal members 261 and 262 with respect to the horizontal direction even at the construction site having undulations or the construction site where the strength of the surface layer ground is not uniform. The members 261 and 262 are maintained in a horizontal state.

  Although each embodiment of the present invention has been described in detail as described above, it is easily understood by those skilled in the art that many modifications can be made without departing from the novel matters and effects of the present invention. It will be possible. Therefore, all such modifications are included in the scope of the present invention.

  For example, a term described with a different term having a broader meaning or the same meaning at least once in the specification or the drawings can be replaced with the different term in any part of the specification or the drawings. Further, the configuration and operation of the pile receiving device are not limited to those described in each embodiment of the present invention, and various modifications can be made.

DESCRIPTION OF SYMBOLS 10 Ready-made pile, 12 pile main body, 12c outer peripheral surface, 14 taper surface (pile side taper surface), 18 annular convex part, 50 pile hole, 50a opening part, 60, 160, 260 pile receiving device, 61, 62, 161 162, 261, 262 Base member, 61a, 62a End, 63, 163, 163a, 163b, 163c, 163d, 263 Connecting member, 64, 164, 264 Height adjusting portion, 65, 66 Locking member, 65a Rotation Shaft, 66a Locking cylinder, 67 Scaffolding member, 68 Support plate member, 68a, 168a, 268a Hole, 100 Pile holding device, 102 Holding cylinder, 102a Top, 102b Bottom, 102c Tapered surface (annular recess), 103 Holder piece, 104 flange part, 108 shock absorbing member, 170 interval adjusting means, 171 flange, 172 bolt, 269 Measurement unit, 270 control unit

Claims (4)

A pile cradle device installed so as to surround an opening of a pile hole into which a ready-made pile is built,
When installed on the ground of the opening, a pair of pedestal members arranged in parallel via the opening;
A connecting member connected to one end of each of the pedestal members and fixing the pedestal members in parallel at a predetermined interval;
A height at which at least three of the pedestal member or the connecting member facing the ground are provided at predetermined intervals, and the height relative to the ground can be adjusted while supporting the pedestal member or the connecting member. for example Bei an adjustment unit, the,
The height adjusting portion is provided on each end side of the pedestal member,
The pile cradle device , wherein the connecting member is configured to be adjustable in length in the longitudinal direction . The pile pedestal device according to claim 1 , wherein the base member is provided with a plurality of locking members on which a plate-like scaffold member can be placed. The pile pedestal device according to claim 1 or 2 , wherein a single support plate member is provided on the bottom side of the height adjustment unit to place each of the height adjustment units. . A measurement unit that measures the inclination of the pedestal member with respect to the horizontal direction, and a control that controls the inclination of the pedestal member to be horizontal by adjusting the height of the height adjustment unit based on the measurement result of the measurement unit. The pile cradle device according to any one of claims 1 to 3 , further comprising a portion.

Images