KR20120006739A

KR20120006739A - Cushion member for using in pile driver and method for fabrication the same

Info

Publication number: KR20120006739A
Application number: KR1020100067374A
Authority: KR
Inventors: 최영덕
Original assignee: (주) 포유엔지니어링; 최영덕
Priority date: 2010-07-13
Filing date: 2010-07-13
Publication date: 2012-01-19

Abstract

Disclosed is a pile cushioning material and a method of manufacturing the same, which are used to protect the piles from being damaged by the hammering force of the hammer for the construction of the pile used in the foundation work. The pile driving cushioning material manufacturing method, twisting the fibers to form a rope; Weaving the rope to form a mat; Stacking the mats several layers and fixing the mats to form plates; And cutting the plate to a desired size to form a cushioning material. By weaving and using a strong tensile fiber, it is very resistant to impact force compared to conventional wood (3-5 times increase in durability at the time of experiment), and moisture resistance is greatly increased. As a result, the replacement cycle of the cushioning material is much longer, which significantly reduces the air length due to the cushioning material replacement. It also has the effect of preventing damage to the jungle, like wood.

Description

Cushion material for pile driving and its manufacturing method {CUSHION MEMBER FOR USING IN PILE DRIVER AND METHOD FOR FABRICATION THE SAME}

The present invention relates to a pile driving cushioning material and a method for manufacturing the same, and to a pile driving cushioning material used to prevent the pile from being damaged by the impact force of the hammer for the pile during the construction of the pile used in the foundation construction and its manufacturing method will be.

In civil engineering and building work, foundation work is carried out in which piles are embedded in the ground in order to distribute or transmit the load of the structure to the ground. As a method of embedding the pile into the ground as described above, a method of applying a hitting force to the top of the pile using a hammer for driving is widely used. In order to prevent the hammer and pile from being damaged, a pile hitting cushion is used between the hammer and the top of the pile.

Conventional pile driving cushion material was mainly used to form wood disk, especially plywood and the like disk. However, the cushion material formed of wood is weak to the impact, there is a problem that safety accidents and work efficiency is lowered because the work must be replaced during each pile hit.

In addition, the wood is weak to moisture, there is a problem that it is easily damaged during the rainy season, and also vulnerable to heat, there is a fear of fire during the driving operation that generates a strong pressure and heat.

Above all, wood has a disadvantage of environmental pollution due to excessive logging, which is not environmentally friendly and has a disadvantage of high cost.

Embodiments of the present invention have been made to solve the above problems, to provide a strong impact, moisture and heat, environmentally friendly pile cushioning material and a method of manufacturing the same can be used for a long time.

Embodiment of the present invention to solve the above problems, to form a rope by twisting the fibers; Weaving the rope to form a mat; Stacking the mats several layers and fixing the mats to form plates; And cutting the plate to a desired size to form a cushioning material.

The cushion member is cut in a circle.

On the other hand, the cushion material may be cut into polygons.

The forming of the plate may include forming a plurality of the mats on a forming cylinder, filling a bonding material between the mats, and then compressing and molding the mats.

It is preferable that the said bonding material is natural resin.

On the other hand, in another embodiment of the present invention, by twisting the fibers to form a rope; Weaving the rope to form a mat; Cutting the mat to a desired size to form a disc; And fixing a plurality of the disks with a binding member for coupling.

The coupling member 241 is formed of the same material as the disk.

It is preferable that the fiber is a natural fiber.

In another category of the present invention, the present invention provides a cushioning material for pile driving, characterized in that the outer periphery is formed in a circular disk shape, a plurality of fixing protrusions are formed at regular intervals on the outer peripheral side.

On the other hand, in another embodiment of the present invention, rolling the rope on a plane, forming a plate; And using a binding member, the step of binding between the rope; provides a method for producing a pile cushioning material comprising a.

As described above, according to the present invention, various effects including the following can be expected. However, the present invention does not necessarily achieve the following effects.

The present invention forms a plate using natural fibers that can be procured at low cost, and is used as a cushioning material. In this way, by using the woven fiber with a strong tensile strength, compared with conventional wood, it is very resistant to impact force (3 to 5 times increase in durability at the time of experiment), and the moisture resistance is greatly increased.

As a result, the replacement cycle of the cushioning material is much longer, thereby reducing the air lengthening due to the cushioning material replacement. It also has the effect of preventing damage to the jungle, like wood.

Figure 1a is a block diagram showing a method for producing a pile cushioning material of the first embodiment of the present invention
Figure 1b is a block diagram showing a method for manufacturing a pile cushioning material of a second embodiment of the present invention
2A is a conceptual sectional view of the manufacturing apparatus used in the plate forming step of the first embodiment;
Fig. 2B is a conceptual sectional view of the manufacturing apparatus used in the disc joining step of the second embodiment.
3 to 6 are perspective views showing various examples of the pile driving cushioning material produced by the first and second embodiments of the present invention
7 is a cross-sectional view of the pile driving using the cushioning material of FIG.
Figure 8 is a block diagram showing a method for manufacturing a pile driving cushioning material of a third embodiment of the present invention
9 to 12 are perspective views showing various examples of the pile driving cushioning material manufactured by the third embodiment
13 to 17 are plan views of pile driving cushioning materials formed using the pile driving cushioning method manufacturing method of the fourth embodiment.
18 to 22 are views showing the pile driving cushioning material of the fifth embodiment

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

Figure 1a is a block diagram showing a method for manufacturing a pile cushioning material of the first embodiment of the present invention.

As shown in FIG. 1, the method for manufacturing a pile driving cushioning material according to the first embodiment of the present invention includes a step of forming a rope by twisting fibers 10, and a step 20 of weaving the rope to form a mat. And stacking the multiple layers of the mat 50 and fixing them to each other to form a plate 30, and cutting the plate to a desired size to form a cushioning material 60.

Fibers are preferably extracted from natural materials. In particular, cocoa fiber, jute, manila hemp, straw and the like extracted from the shell of cocoa fruit or palm tree bark are preferable. As such, the use of natural fibers has the advantage that they are not harmful to the environment at all, even after being used in the field. Step 10 of forming the rope is formed using a method of forming a common rope.

Forming the mat 30 is formed by weaving the rope described above.

In the step 30 of forming the plate, a plurality of the mats 50 are stacked on a forming cylinder 41, and a bonding material is filled between the mats, and then compressed and molded. Bonding material has the advantage that can reduce the risk of environmental pollution that is a natural resin.

Step 40 of forming the cushioning material 60 is formed by cutting the plate into a desired shape, as shown in FIGS. 3 is a cushion member 60 is formed in a simple circular shape, in Figure 4 is a cushion member 60b is formed of a polygonal patent octahedron, in Figure 5 is formed in a disk shape of the outer circumference is circular, a plurality of fixed to the outer peripheral side The protruding portions 61 and 361 are formed at regular intervals. 6 illustrates a cushioning material 60d formed in an octagonal ring shape. As shown in Figs. 4 to 6, the outer periphery is not circular, but the protrusions 61 and 361 or the edges are formed, so that the cushioning materials 60, 60b, 60c, and 60d are formed on the inner circumference of the anti-taking cap 1 as shown in Fig. 7. When fitted, the projections 61 and 361 or the corner portions can be fitted more firmly because they are fitted into the inner circumference of the cap 1. Therefore, when the driving cap 1 moves up and down, it can be prevented from leaving the driving cap 1.

As described above, the present invention forms a plate using natural fibers that can be procured at low cost, and is used as a cushioning material. In this way, by using the woven fiber with a strong tensile strength, compared with conventional wood, it is very resistant to impact force (3 to 5 times increase in durability at the time of experiment), and the moisture resistance is greatly increased.

As a result, the replacement cycle of the cushioning material is much longer, which significantly reduces the air length due to the cushioning material replacement. It also has the effect of preventing damage to the jungle, like wood.

Figure 1b is a block diagram showing a method for manufacturing a pile cushioning material of a second embodiment of the present invention.

As shown in Figure 1b, the method for producing a pile cushioning material of the second embodiment, the step of twisting the fibers to form a rope (10) and weaving the rope to form a mat (20), and the mat Step 130 to form a disk 61 by cutting to a desired size, and a step (140) of molding the cushioning material (60, 60b, 60c, 60d) by stacking the disk in a plurality of layers and fixed to each other.

That is, in the first embodiment, the mat 50 is stacked in multiple layers to form a plate, and then cut into a desired shape. In the second embodiment, the mat 50 is cut to form discs 61 having individual shapes. After that, the disk 61 is laminated and then compression molded to form a cushioning material as shown in Figs.

In the step 140 of forming the cushioning material, a plurality of disks 61 are stacked on the molding cylinder 42 and molded by applying pressure using the piston 44. At this time, a bonding material is filled between the disks 61. In addition, in order to manufacture a plurality of cushioning materials in one process, a plurality of cushioning materials 60 are stacked, and the separating member 43 is positioned between the cushioning materials 60. The separating member 43 is a disk member formed in the size of the cross section of the molding cylinder 42, and it is sufficient if it is possible to separate between the plurality of cushioning materials 60. Therefore, there is an advantage that a plurality of cushioning material 60 can be molded in one compression process.

8 is a block diagram showing a method for manufacturing a pile driving cushioning material according to a third embodiment of the present invention.

The method for manufacturing a pile cushioning material according to the third embodiment includes the steps of forming a rope by twisting fibers (10), forming a mat by weaving the ropes (20), and cutting the mat to a desired size of a disc. And forming (231) and fixing (240) the plurality of disks to the binding member (241).

Step 10 of forming the rope, step 20 of forming the mat and step 230 of forming the disk is the same as the second embodiment, detailed description thereof will be omitted.

The binding member 241 may be a wire, a band, or the like, and the fixing step 240 of the binding member 241 may be secured to penetrate or surround the disk 231 stacked by the binding member 241. Various methods, such as a method, can be used. The coupling member 241 is formed of the same material as the disk.

The shape of the cushioning materials 260a, 260b, 260c, and 60d formed in this manner may be formed in a disk shape as shown in FIG. 9, or a polygonal disk shape as shown in FIG. 10, a circular ring shape as shown in FIG. 11, and as shown in FIG. 12. It may be formed in a polygonal ring shape.

13 to 17 are plan views of the pile driving cushioning material formed using the pile driving cushioning material manufacturing method of the fourth embodiment.

A method for manufacturing a pile cushioning material of a fourth embodiment includes rolling a rope 362 on a plane to form a plate and using a binding member 363 to bind between the ropes.

As in the first to third embodiments, the disks are not formed by stacking a plurality of layers. Instead, the ropes 362 are rolled in a spiral shape as shown in FIG. It is fixed by using.

There are various shapes of the cushioning material which can be formed using the method for manufacturing the pile driving cushioning material of the fourth embodiment.

That is, FIG. 13 illustrates forming the plate in the shape of a disc in the step of forming the plate.

FIG. 14 illustrates rolling the rope 362 around the fixing cylinder 370 to form the plate in a circular ring shape.

Fig. 15 illustrates forming the plate in a polygonal disk shape.

Fig. 16 illustrates the rolling of the rope around a fixed polygonal pillar 371 to form the plate in a polygonal polygonal ring shape.

FIG. 17 illustrates that a plurality of fixing protrusions 361 are fixed at regular intervals on the outer circumferential surface of the plate of the cushion member of FIG. 13.

18 to 19 is a view showing a pile driving cushioning material of a fifth embodiment of the present invention.

As shown in Figure 18, the pile driving cushioning material of the fifth embodiment of the present invention is formed of a rope, and comprises a plurality of rings (461 ~ 464) of different sizes, the said ring is smaller in size The plate 465 is inserted into the ring sequentially and a binding member 466 for binding the rings in the radial direction of the plate 465.

That is, a rope having a thick thickness is formed into circular rings 461 to 464 having different diameters, and then the circular rings 461 to 464 are sequentially inserted as shown in FIG. 18 to form a plate 465.

The binding member 466 is formed of a band connecting the inner surface of the smallest ring 464 having the smallest size among the rings and the outer surface of the largest ring 464 having the largest size among the rings. In addition, the ring 461 ~ 464 further comprises a tightening band (467) for tightening the binding member.

In this way, the binding member 466 and the fastening band (467) for tightening the binding member for each bar, there is an advantage that can be more firmly fixed to the plurality of rings (461 ~ 464).

In the fifth embodiment, Fig. 18 shows an example in which a plurality of circular rings are combined, and Fig. 20 shows an example in which a plurality of polygonal (octagonal) rings are combined, and Fig. 21 shows a plate using a plurality of circular rings. It is shown that the shape is implemented to be a circular ring shape as a whole, Figure 22 shows that the plate shape is implemented as a whole polygonal ring shape using a plurality of polygonal ring.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope described in the claims.

DESCRIPTION OF REFERENCE NUMERALS
10: forming a rope 20: forming a mat
50: mat 30: forming a plate
60: cushioning material 40: forming a cushioning material
41: molding cylinder 231: disk
230: forming a disk 241: binding member for coupling
240: steps 61, 361: fixing protrusions
362: rope

Claims

Twisting the fibers to form a rope (10);
Weaving the rope to form a mat (20);
Stacking the mats (50) in several layers and fixing them to form plates (30); And
Cutting the plate to a desired size to form a cushioning material (60);
Pile driving cushioning material manufacturing method comprising a.

The method of claim 1,
The cushion material 60 is pile cushioning method for producing a cushioning material, characterized in that the cut.

The method of claim 1,
The cushioning material (60b) is a method for producing a pile cushioning material, characterized in that the cut to the polygon.

The method according to any one of claims 1 to 3,
Forming the plate 30,
A plurality of the mats are laminated on a forming cylinder (41), and a bonding material is filled between the mats, and then compressed and molded.

The method of claim 4, wherein
The bonding material is a method for producing a pile cushioning material, characterized in that the natural resin.

Twisting the fibers to form a rope (10);
Weaving the rope to form a mat (20);
Cutting (230) the mat to a desired size to form a disc (231); And
Fixing (240) a plurality of said disks;
Pile driving cushioning material manufacturing method comprising a.

The method according to claim 6,
The fixing step is a pile driving cushioning material manufacturing method characterized in that the fixing by the binding member (241).

The method according to claim 6,
The fixing step, after stacking the plurality of disks, filling the bonding material between the disks and molding by applying pressure to the pile driving method characterized in that the molding.

The method of claim 8,
The fixing step,
A method for manufacturing a pile cushioning material, characterized in that a plurality of the cushioning material is formed at the same time by applying pressure after stacking the plurality of disks before and after the separating member.

The method according to any one of claims 1, 2, 3, 6, 7, 7, 8 or 9,
The fiber is a method for producing a pile cushioning material characterized in that the natural fiber.

It is formed in a disk shape of the outer circumference, a plurality of fixing projections (61, 361) on the outer circumferential side is a pile driving cushioning material, characterized in that formed at a predetermined interval.

Rolling the rope 362 on a plane to form a plate; And
Using the binding member 363 to bind between the ropes;
Pile driving cushioning material manufacturing method comprising a.

The method of claim 12,
The forming of the plate may include forming the plate in a disc shape.

The method of claim 12,
The forming of the plate may include rolling the rope around a fixing cylinder to form the plate in a circular ring shape.

The method of claim 12,
The forming of the plate may include forming the plate in a polygonal disk shape.

The method of claim 12,
The forming of the plate may include rolling the rope around a fixing polygonal pillar to form the plate in a plate-shaped polygonal ring shape.

The method according to claim 13 or 14,
Pile driving cushioning material manufacturing method, characterized in that for fixing a plurality of fixing protrusions on the outer peripheral surface of the plate at a predetermined interval.

Claims 1, 2, 3, 12, 13, 14, 15 or 16, wherein the pile driving cushioning material produced by the method for producing a cushioning material for the pile driving.

A plate formed of a rope and including a plurality of rings of different sizes, wherein the small rings are sequentially inserted into the large rings; And
A binding member for binding the rings in the radial direction of the plate;
Pile driving cushioning material comprising a.

The method of claim 19,
The binding member,
A band connecting the inner face of the smallest ring with the smallest size among the rings and the outer face of the largest ring with the largest size among the rings;
Pile driving cushioning material characterized in that it further comprises.

The method of claim 20,
A tightening band for tightening the binding member between the rings;
Pile driving cushioning material characterized in that it further comprises.