JPH0510529U - Installation device for foundation pile columns - Google Patents

Abstract

(57) [Summary] [Purpose] Easily and highly accurately install and adjust columns for foundation piles in concrete that has been cast into the ground. [Structure] A column pedestal 4 installed on the ground surface to support a pillar 3 for foundation piles, a casing 11 inserted into the pile hole 1, and an installation adjusting device 13 inserted into the casing 11 and supporting the pillars 3 for foundation piles. And the verticality measuring devices 16 and 17 disposed on the foundation pile pillar 3, the foundation pile pillar 3 and the installation adjusting device 13 are hung on the hook 7 and inserted into the casing 11, and the lower end of the foundation pile pillar 3 is When it reaches a predetermined position above the concrete 2, the verticality is measured by a laser or the like, and the built-in adjusting device 13 is operated based on this value to vertically move the foundation pile column 3 to the column receiving stand 4. Hold on.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an installation adjusting device for vertically installing a pile for a foundation pile with high accuracy in concrete that has been cast into the ground.

[0002]

[Prior Art]

 It is important to pour concrete into the pile holes excavated in the ground, to penetrate the concrete for the piles for foundation piles, and to vertically build the pillars for foundation piles with high accuracy, as this will affect the beam installation work between the pillars. Is. The conventional method will be explained with reference to FIG. 4. When concrete 2 is first cast into the pile hole 1 excavated in the ground and the foundation pile column 3 is vertically installed at the top of the concrete 2, the ground surface of the pile hole 1 A column receiving stand 4 having a guide roller 5 is arranged in the column, the column 3 for foundation pile is hung by a hooking wire 6 on the hook 7 of the crane, and the column 3 for foundation pile is lowered along the guide roller 5 into the pile hole 1 and driven. After penetrating into the installed concrete 2, the suspension point of the crane was moved and the fall of the foundation pile column 3 was corrected using the guide roller 5 as a fulcrum to adjust the installation.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned conventional installation adjustment method, since the adjustment is performed by moving the suspension point of the crane by the sling wire 6 with the guide roller 5 of the column base 3 as a fulcrum, it is not possible to perform highly accurate installation adjustment. have. In particular, there is a case where the verticality cannot be completely corrected because the foundation pile column 3 is moved after the concrete 2 is penetrated.

The present invention solves the above problem, and provides a stakeout adjusting device capable of easily and accurately adjusting a stake for a foundation pile in a concrete that has been punched into the ground. The purpose is to

[0005]

Means for Solving the Problems In order to achieve the above-mentioned object, a foundation pile post installation adjusting device of the present invention includes a column mount 4 installed on a ground surface for supporting a foundation pile post 3 and a pile hole 1 inside. A casing 11 that is inserted into the casing 11, an installation adjusting device 13 that is inserted into the casing 11 to support the foundation pile column 3, and verticality measuring devices 16 and 17 that are disposed on the foundation pile column 3. It is characterized in that the verticality of the foundation pile column 3 can be adjusted by the inclusion adjusting device 13. It should be noted that the numbers added to the above-mentioned configurations are for comparison with the drawings for easy understanding, and the configurations of the present invention are not limited thereby.

[0006]

[Action]

 In the present invention, for example, as shown in FIG. 1, a pile 7 for a foundation pile and a building adjustment device 13 are hung on a hook 7 of a crane and inserted into a casing 11, and the lower end of the foundation pile pillar 3 is above the concrete 2. When it reaches a predetermined position, the verticality is measured by a laser or the like, and the built-in adjusting device 13 is actuated based on this value to vertically hold the pillar 3 for foundation piles with the pillar receiving base 4. Then, in this state, the foundation pile column 3 is lowered along the guide rollers of the column pedestal 4 and the fixed guide rollers 22 and the adjustable guide rollers 23 of the building adjustment device 13 to penetrate into the concrete 2.

[0007]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show one embodiment of a foundation pile post installation adjusting device of the present invention, FIG. 1A is a conceptual view showing a state before installation, FIG. 1B is a conceptual view showing a state after installation, 2 is a plan view of the installation adjustment device, and FIG. 3 is a side view of the installation adjustment device.

In FIG. 1, a pile hole 1 is excavated in the ground and concrete 2 is placed therein. A casing 11 is inserted into the pile hole 1 up to above the concrete 2, and a column receiving stand 4 is arranged on the work floor on the ground surface. The pillar support 4 is provided with the guide roller 5 described with reference to FIG. Inside the casing 11, a plurality of support pipes 12 are arranged so as to pass through the column mount 4.

A construction adjusting device 13 is fixed to a lower end of the support pipe 12, and an upper end of the supporting pipe 12 is suspended from a balance 15 by a wire 14, and further, a hook of a crane is suspended by a sling wire 6. Suspended at 7. Further, the foundation pile columns 3 are suspended on the hooks 7 by sling wires 6, and the foundation pile columns 3 are arranged inside the support pipes 12 along the guide rollers 5 of the column receiving base 4. In addition, 9 is a reinforcing plate for joining and 10 is a jack support plate.

Inside the foundation pile column 3, a verticality measuring pipe 19 having a laser transmitter 16 at an upper portion and a light receiver 17 at a lower portion is arranged. An oil pressure control device 20 for controlling the built-in adjustment device 13 by the laser transmitter 16 and the light receiver 17 is arranged on the ground.

Next, the installation adjusting device 13 according to the present invention will be described with reference to FIGS. 2 and 3.

The installation adjustment device 13 includes a housing 21 supported by the support pipe 12, a fixed guide roller 22 and an adjustable guide roller 23 attached to the inner peripheral surface of the housing 21, and a hydraulic jack 24. .. An opening 25 is formed in the center of the housing 21 for penetrating the foundation pile column 3, and two fixed guide rollers 22 are arranged on the upper side and the left side of the opening 25 in FIG. 2, respectively. Four adjustable guide rollers 23 are arranged so as to face the guide rollers 22, and the adjustable guide rollers 23 have a structure capable of finely adjusting the clearance with the foundation pile columns 3. As shown in FIG. 3, the fixed guide roller 22 and the adjustable guide roller 23 are configured such that the guide roller 23b is rotated to the dotted line position in the figure by driving the hydraulic cylinder 23a. The telescopic rod 24a is expanded and contracted to adjust the positions of the housing 21 and the foundation pile column 3 in the casing 11. The guide rollers 22 and 23 are arranged so as not to collide with the guide rollers even if the foundation pile column 3 has the reinforcing plate 9.

The operation of the present invention having the above configuration will be described. First, as shown in FIG. 1A, concrete 2 is placed in a pile hole 1 and a column support stand 4 is set on the working floor by a transit to match the pile ink. Next, the foundation pile column 3 is hung on the hook 7 of the crane via the sling wire 6, and the build-in adjusting device 13 is hung on the sling wire 6, the balance 15, the wire 14 and the support pipe 12 to form a casing. Insert into 11. When the lower end of the pillar 3 for foundation pile reaches above the top of the concrete 2 by about 300 mm, the verticality of the pillar 3 for foundation pile is measured by the laser transmitter 16 and the light receiver 17, and the hydraulic control device 20 determines the verticality based on this value. The hydraulic cylinder 23a and the hydraulic jack 24 are driven to hold the foundation pile column 3 vertically. Then, in this state, the foundation pile columns 3 are lowered along the guide rollers of the column cradle 4 and the fixed guide rollers 22 and the adjustable guide rollers 23 of the built-in adjusting device 13 to penetrate into the concrete 2. As shown in FIG. 1B, the journal jack 26 is set between the column receiving stand 4 and the jack supporting plate 10 to fix and support the foundation pile column 3 at a predetermined depth, and after the concrete is cured, backfilling is performed. To do. If the foundation pile columns 3 fall down after the concrete has penetrated, readjustment is performed by operating the built-in adjustment device 13.

The present invention is not limited to the above embodiment, and various modifications can be made. For example, in the above embodiment, the laser transmitter 16 and the light receiver 17 are provided in the foundation pile column 3, but they may be provided on the outer periphery of the foundation pile column 3. Although the verticality is measured by the laser, it may be measured by other means such as an inclinometer.

[0015]

[Effect of the device]

 As is apparent from the above description, according to the present invention, a column pedestal installed on the ground surface for supporting columns for foundation piles, a casing inserted in the pile holes, and a column for pillars for foundations inserted in the casing and supporting the columns for foundation piles. Since the built-in adjusting device and the verticality measuring device arranged on the foundation pile column are provided, and the verticality of the foundation pile column can be adjusted by the built-in adjusting device, the following effects can be achieved. ..

(A) Since the vertical adjustment can be performed by the staking adjustment device before the foundation pile column penetrates into the concrete surface, the vertical adjustment can be performed more easily than the adjustment after the concrete has penetrated.

(B) By finely operating the stroke of the hydraulic jack, the verticality can be adjusted with high accuracy.

(C) After the penetration into the concrete, even if the pillar for the foundation pile falls, the readjustment can be performed by operating the built-in adjustment device.

(D) Since the installation adjusting device is set in the pile hole, it is sufficient to set a column pedestal for positioning the upper part of the foundation pile column on the work floor above the pile hole. There are few objects and workability can be improved.

[Brief description of drawings]

1 shows an embodiment of a foundation pile post-installation adjusting device of the present invention, and FIG. 1A is a conceptual diagram showing a state before the installation, FIG.
B is a conceptual diagram showing the state after construction

FIG. 2 is a plan view of a building adjustment device according to the present invention.

[FIG. 3] Similarly, a side view of the installation adjustment device.

FIG. 4 is a conceptual diagram showing a conventional foundation pile adjustment device.

[Explanation of symbols]

1 ... Pile hole, 2 ... Concrete, 3 ... Pile for foundation pile, 4 ... Column support stand 6 ... Ring wire, 7 ... Hook, 11 ... Casing,
12 ... Support pipe 13 ... Built-in adjusting device, 14 ... Wire, 19 ... Vertical measuring device, 20 ... Hydraulic control device, 21 ... Housing, 22
… Fixed guide rollers 23… Adjustable guide rollers, 24… Hydraulic jacks

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[Procedure amendment]

[Submission date] July 26, 1991

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

[Figure 1]

[Procedure Amendment 2]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 2

[Correction method] Change

[Correction content]

[Fig. 2]

[Procedure 3]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 3

[Correction method] Change

[Correction content]

[Figure 3]

[Procedure amendment 4]

[Document name to be corrected] Drawing

[Name of item to be corrected] Fig. 4

[Correction method] Change

[Correction content]

[Figure 4]

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Masaaki Nakanishi 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation

Claims (1)

[Claims for utility model registration] [Claim 1] A column cradle installed on the ground surface for supporting columns for foundation piles, a casing inserted into the pile holes, and inserted into the casing to support the columns for foundation piles. A built-in adjustment device for a foundation pile column, comprising: a built-in adjustment device and a verticality measuring device disposed on the foundation pile column, wherein the built-in adjustment device can adjust the verticality of the foundation pile column.