JP3282778B2 - Fiber laying device for reinforced earth method by continuous fiber - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fiber arranging apparatus for a reinforced earth method using continuous fibers.

[0002]

2. Description of the Related Art As is well known, a fiber arranging apparatus for a reinforced earth method using a continuous fiber stores a yarn of a continuous fiber yarn, and a yarn supply device having a guide stay for sending out the yarn from the yarn winding. A spraying machine having a belt conveyor and a material hose in a fiber arranging device consisting of an ejector for injecting yarn from a water tank from a water tank via a high pressure pump via a high pressure pump using a high pressure water from an injection nozzle. And a sand supply device comprising:

[0003] In the ejector, the yarn is inserted into the injection nozzle, and when high-pressure water is discharged from the injection nozzle, the yarn is also injected from the injection nozzle. on the other hand,
The sand is transported to the yarn jetting destination by a belt conveyor and a material hose, and is directly jetted and mixed with the yarn.

[0004] The continuous fiber (multifilament non-twisted yarn) of about 0.15 to 0.2% (dry weight ratio) of the sand used in this way is jetted together with jet water and mixed three-dimensionally with the sand to obtain a shear strength. Therefore, a more stable and strong soil structure can be constructed.

[0005] Such a construction method can be widely applied to road habits and embankments, slope protection, embankment foundations on soft ground, earthquake-resistant and earthquake-proof foundations, protection of structures against impacts, dam filter layers, and the like. is there.

[0006] By the way, the yarn supply device is conventionally
For example, as shown in Japanese Patent Application No. 6-100415 previously proposed by the applicant, a device having one guide stay that entangles and sends out yarns from a plurality of bobbins is defined as a supply device in units of one unit. A plurality of supply devices are mounted on the same truck.

[0007] Then, the truck is moved to a construction site for work. If it is difficult to move the bogie on a slope, etc., only the ejector will move to the construction site, and the distance between the yarn supply device and the ejector will be long. A support having a guide ring is provided upright, and a thread is inserted through the guide ring.

[0008]

In the conventional example in which a plurality of divided supply devices are loaded on the same truck, the truck cannot be moved to a slope or the like. In such a case, a support is required between the ejector and the ejector. In addition to the need for many members, the number of operations such as installation of columns is also increased, resulting in poor workability.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned disadvantages of the prior art, and to easily transfer a yarn supply device to a slope or the like. Equipment is provided.

[0010]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention firstly provides a yarn supplying device for storing a continuous fiber yarn, and a high-pressure water or compression yarn supplied from the supplying device. In a fiber arranging device for a reinforced earth method by a continuous fiber comprising an ejector ejected from an injection nozzle using air, a yarn supply device has one guide stay that entangles and sends out yarns from a plurality of bobbins. The gist of the present invention is that one portable bobbin case is provided as a unit, and a plurality of the bobbin cases are independently provided.

Second, in the bobbin case, a plurality of bobbin supports are installed via a load cell on a bobbin case base, a bobbin is attached to the bobbin support, and the whole is covered with a bird cage-shaped case cover. The gist is that.

[0012]

According to the first aspect of the present invention, the weight per bobbin case is reduced, so that it can be easily moved one by one to a slope or the like, and the installation space can be secured for each one. Because it is good, it can be easily installed at any construction site without choosing a place, and it can be arranged near the ejector, so workability is good.

Further, since each bobbin case functions independently and independently, there is no problem even if the bobbin cases are separately moved and installed.
The whole is covered with a birdcage-shaped case cover, making it easy to transport.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a front view of a bobbin case which is a main part of a fiber arranging device for a reinforced earth method using continuous fibers according to the present invention.
FIG. 11 is a plan view of the fiber arranging apparatus, and FIG.
Will be described.

The basic structure is the same as that of the prior art. A yarn supply device 1 and a high-pressure water sent from a water tank 3 through a high-pressure pump 4 to a yarn 2 fed from the supply device 1 by a high-pressure pump 5 are used. And an ejector 7 for jetting from a jet nozzle 6, which is combined with a sand supply device 8.

As is well known in the art, a sand supply device 8 includes a weighing device 11 connected to a hopper 10 by a belt conveyor 9a,
It comprises a spraying machine 12 connected to the measuring device 11 via a belt conveyor 9b. In the figure, reference numeral 13 denotes a tractor excavator that conveys sand from a sand pile 14, and 15 denotes a compressor that supplies compressed air to the spraying machine 12.

Reference numeral 16 denotes a generator serving as a power source of the measuring device 11 and the like, reference numeral 17 denotes a distribution board, and reference numeral 18 denotes a measuring device for measuring the amount of yarn fed from the yarn supplying device 1.

In the fiber arranging device having such a configuration, in the present invention, as the configuration of the yarn supply device 1, one guide stay 20 for tangling and sending out the yarns 2 from a plurality of (four in the illustrated example) yarn windings 19 is used. The portable bobbin case 21 having the above is provided as a single unit, and a plurality of the bobbin cases 21 (four in the illustrated example) are independently provided.

The bobbin case 21 is a combination of a base 22 and a support frame 23 as shown in FIGS. 1 and 2, and the base 22 is provided inside a rectangular frame 22a as shown in FIGS. The support bars 22b were crossed and mounted, and connecting pins 22c were protruded from the four corners of the frame 22a.

As shown in FIGS. 5 and 6, the supporting frame 23 is formed by lowering four frame members whose upper portions are curved in an arc shape.
The case 22 is raised from the four corners, fixed to the base 22 with the connecting pins 22c and the connecting pins 24, and the entire case is formed in a bird cage shape in combination with the base 22, and is covered with a cover.

A load cell 25 also shown in FIG. 8 is fixed to the bottom of the case with a lower pin 25a, and a weighing stand 26 composed of a cross-shaped bar is attached to the upper part via an upper pin 25b.

A lower bobbin receiving stand 27 and an upper bobbin receiving stand 28 are provided on the bar of the weighing stand 26 in a total of four squares. As shown in FIGS. 9 and 10, the lower bobbin pedestal 27 is formed of a plane cross-shaped oblique plate, and a ring-shaped upper bobbin pedestal 28 is combined on the sloping plate to form the lower bobbin pedestal 27 and the upper bobbin. Bobbin mounting shaft 29 with cradle 28
To join.

In this case, the four bobbin mounting shafts 29 are installed inclining toward the center of the case, and the bobbin 19 mounted on the bobbin mounting shaft 29 also inclines toward the center of the case accordingly. In the figure, reference numeral 30 denotes a yarn feeding port.

The load cell 25 installed in each bobbin case 21 of the yarn supply device 1 configured as described above is connected to the measuring device 18.

Next, the operation will be described. The four bobbin cases 21 are carried into a construction site such as the slope 31 and are moved to an appropriate place. In this case, since each of the four bobbin cases 21 can be moved separately and can be arranged in a separate place,
The installation location is not limited. In each of the bobbin cases 21 of the yarn supply device 1, four yarns 2 as continuous fibers drawn out from the four bobbins 19 are twisted into one, and a payout port 30,
It exits from the guide stay 20 and is inserted into the ejection nozzle 6 of the ejector 7.

In the ejector 7, when high-pressure water sent from a water tank 3 through a supply pipe 5 via a high-pressure pump 4 is jetted from an injection nozzle 6, the yarn 2 is also discharged along with the jet 2 and is discharged from the spraying machine 12. It is directly sprayed and mixed with the blasting sand. The supply amount of the yarn 2 is detected by the load cell 25 and measured by the measuring device 18.

The ejector 7 is not high-pressure water,
Injection may be performed from an injection nozzle using compressed air.

[0028]

As described above, the fiber arranging device of the present invention for reinforced earth method using continuous fibers is provided with a yarn supplying device for storing the yarns of the continuous fibers and a high-pressure yarn supplied from the supplying device. In the fiber arranging device for reinforced earth method by continuous fiber consisting of an ejector ejecting from an injection nozzle using water or compressed air, the yarn supplying device is constituted by a plurality of bobbin cases that can be independently transported independently. It can be easily relocated to slopes, etc., and can be installed near the ejector, improving workability.

Since the bobbin cage is formed in a bird cage shape which is entirely covered with a cover, the bobbin cage can be easily moved.

[Brief description of the drawings]

FIG. 1 is a front view of a bobbin case which is a main part of a fiber arranging device for a reinforced earth method using continuous fibers according to the present invention.

FIG. 2 is a plan view of a bobbin case which is a main part of a fiber arranging device for a reinforced earth method using continuous fibers of the present invention.

FIG. 3 is a front view of a base portion of the bobbin case of the present invention.

FIG. 4 is a plan view of a base portion of the bobbin case of the present invention.

FIG. 5 is a front view of a support frame portion of the bobbin case of the present invention.

FIG. 6 is a plan view of a support frame portion of the bobbin case of the present invention.

FIG. 7 is a plan view of a weighing platform portion of the bobbin case of the present invention.

FIG. 8 is a front view of a load cell portion of the bobbin case of the present invention.

FIG. 9 is a front view of a lower bobbin receiving base of the bobbin case of the present invention.

FIG. 10 is a plan view of a lower bobbin receiving portion of the bobbin case of the present invention.

FIG. 11 is an explanatory view of a reinforced earth method using continuous fibers.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Thread supply device 2 ... Thread 3 ... Water tank 4 ... High pressure pump 5 ... Supply pipe 6 ... Injection nozzle 7 ... Ejector 8 ... Sand supply device 9a, 9b ... Belt conveyor 10 ... Hopper 11 ... Measuring device 12 ... Spraying Machine 13 ... Tractor excavator 14 ... Sand pile 15 ... Compressor 16 ... Generator 17 ... Distribution board 18 ... Metering device 19 ... Pincushion 20 ... Guide stay 21 ... Bobbin case 22 ... Base 22a ... Frame 22b ... Support bar 22c ... Connecting pin 23 ... support frame 24 ... connecting pin 25 ... load cell 25a ... lower pin 25b ... upper pin 26 ... weighing stand 27 ... lower bobbin receiving stand 28 ... upper bobbin receiving stand 29 ... bobbin mounting shaft 30 ... payout port 31 ... slope

Continuing from the front page (72) Inventor Takashi Yuyama 8-14-14 Ginza, Chuo-ku, Tokyo Nittoku Construction Co., Ltd. (72) Inventor Shinichi Ito 8-14-14 Ginza, Chuo-ku, Tokyo Nippon Construction (56) References JP-A-2-256719 (JP, A) JP-A-2-74723 (JP, A) JP-A-8-158373 (JP, A) JP-A-2-232421 (JP, A) A) (58) Field surveyed (Int. Cl. ⁷ , DB name) E02D 17/18 E02D 17/20 103 E02D 3/00

Claims (1)

(57) [Claims] 1. A continuous fiber reinforcing device comprising: a yarn supplying device for storing a continuous fiber yarn winding; and an ejector for ejecting a yarn fed from the supplying device from an injection nozzle using high-pressure water or compressed air. In the fiber arranging device for an earthwork method, the yarn supplying device is configured such that a portable bobbin case having one guide stay for tangling and feeding yarns from a plurality of bobbins is a unit, and the bobbin case is a bobbin case.
Multiple bobbin receiving via load cell on case base
Install a table, attach a bobbin to the bobbin receiving stand,
A fiber arranging device for a reinforced earth method using continuous fibers , which is covered with a birdcage-shaped case cover, and a plurality of such members are arranged independently.