KR20130104230A - A non-slip tree grates on demand and manufacturing method thereof - Google Patents

Abstract

PURPOSE: A manufacturing method for an anti-skid roadside tree protection cover is provided to prevent slipperiness by forming an uneven surface of a roadside tree protection cover. CONSTITUTION: A connection frame (10) is connected according to the central part of each frame. Multiple slits (20) are arranged at regular intervals and form a drain hole. A cover frame (30) is positioned between the silts, and a surface of a roadside tree protection cover is formed with a long penetration hole which is narrow and has a width of 6.0-7.5 mm. The cover frame is classified into a square shape in which multiple lattice shapes form the whole surface, and a semicircular shape concave groove is formed at each square shape. The square shape has a width of 4-6 mm, a length of 4-6 mm and a circumference width of 0.8-1.2 mm. A road side tree ball (12) is one among the road side tree balls formed in an inner side adjacent to each side of the road side tree protection cover.

Description

Non-slip tree-lined protective cover and its manufacturing method {A non-slip tree grates on demand and manufacturing method

The present invention relates to a non-slip roadside protective cover and a method for manufacturing the same, and more particularly, to form a plurality of irregularities on the surface of the roadside protective cover to prevent slipping by the irregularities to ensure safe walking and safety accidents such as pedestrians. If the roadside side cover is planted on the road or sidewalk due to the roadside planting environment, or the base part is too large when the existing roadside protection cover is replaced, the roadside protection cover of the ready-made product cannot be installed. The present invention relates to a non-slip roadside protective cover and a method for manufacturing the non-slip roadside protective cover to reduce the production cost by processing steel sheet to meet the specifications of the roadside protective cover.

In general, trees such as roadside trees can provide environmental beautification, pollution prevention, and noise prevention effects on roadsides and are planted on sidewalks such as roadsides and parks.

Such trees are protected by a transverse protective cover installed at the lower periphery of the tree, and the aesthetics of the transverse protective cover which is manufactured in various forms can keep the aesthetics of the road more beautiful.

Thus, the roadside protection cover is installed in the lower end of the tree is made of a weight body such as cast iron in order to reduce the damage caused by walking or other external impact, and formed into a split type to provide convenience of work according to the installation construction It is to be assembled to the bottom circumference of the planted tree.

In the case of the conventional roadside protective cover is made of steel plate (rolled steel plate SS400), which is the most slippery material, which is most likely to be wet in the rain or slippery in winter because it does not have an anti-slip structure, the area where the pedestrians step on The risk of accidents was high because it was flat and wide.

In addition, when the roadside protection cover needs to be repaired or replaced, there is a problem in that the roadside protection cover of the ready-made product in the middle of the roadside work is not repairable and replaceable when the roadside is biased to one side.

That is, the roadside protection cover of the ready-made product in the middle of the roadwork has a problem that can not be used as the roadside protection cover (ST) as shown in FIG.

In order to solve this problem, the front mild steel sheet, which is a roadside protective cover, is cut and used according to the standard of the roadside protective cover, but in this case, there was a problem that a lot of edges occurred in the process of cutting the roadside protective cover and it was uneconomical.

The present invention has been invented to solve various battles and problems caused by the conventional roadside protection cover, the object of which is to form a plurality of irregularities on the surface of the roadside protection cover to prevent slipping by the irregularities such as pedestrians, etc. The present invention provides a non-slip roadside protective cover and a method of manufacturing the same, which can safely prevent walking and safety accidents.

Another object of the present invention is a non-slip roadside protective cover and a method of manufacturing a non-slip roadside protective cover that can be produced arbitrarily through the plasma processing method of the production method of the rolled steel in accordance with the roadside planted by the roadside planting environment. To provide.

Another object of the present invention is custom made, so it is not necessary to cut the front mild steel sheet, which is a roadside protection cover according to the specifications of the roadside protection cover, to eliminate the occurrence of the edges generated during the cutting process, thereby bringing about economical improvement. An anti-slip roadside protective cover and a method of manufacturing the same are provided.

Custom non-slip roadside protective cover of the present invention for achieving the above object is formed through the connecting portion 10 and a constant interval to connect the circumference portion thicker than the circumference than the circumference portion and the center portion of each flesh, and drained at regular intervals A plurality of slits 20 forming a hole; The slits 20 are formed between the slits 20 and the slits 20 to form a surface of the roadside protection cover, and the slits 20 are formed by narrow and long through holes having a width of 6.0 7.5 mm. 30 is divided into a square forming a plurality of lattice on the whole surface is formed in each square semi-circular concave groove is formed of a non-slip surface structure of the concave groove and the square circumference forming an uneven surface on the cover surface, Cover plate 30 is characterized in that the upper surface is wide and the lower surface has a narrow inverter stepper structure is formed in the horizontal hole 12 in any position.

The present invention forms a plurality of irregularities on the surface of the roadside protection cover to prevent the sliding by the unevenness to prevent the safe walking and safety accidents such as pedestrians in advance, planted toward the road or sidewalk by the roadside planting environment It is not only possible to fabricate the road handwork according to the roadside tree by the plasma processing method, which is a method of rolling steel, but also because it is custom made, it is not necessary to cut the front mild steel plate which is the roadside protection cover to the standard of the roadside protection cover. There is a special advantage that the economical improvement by eliminating the occurrence of the stuttering source.

1 is a view showing the installation state of the roadside protection cover when the roadside is biased to one side,
Figure 2a to 2c is a view showing the position of forming a variety of water holes of the custom non-slip roadside protective cover according to the present invention,
Figure 3a and Figure 3b is a view showing the formation position of the water hole according to the shape of the present invention non-slip roadside protective cover,
4 is a process flow chart for manufacturing the present invention non-slip roadside protective cover,
5a to 5e is a molding process of the steel sheet according to the present invention,
6 is a perspective view of a steel sheet according to the present invention,
7 is an enlarged perspective view of portion A of FIG. 6;
8 is a perspective view of a case where the horizontal water hole of the custom non-slip roadside protective cover according to an embodiment of the present invention is in the center,
9 is a perspective view of a case where the horizontal hand of the non-slip roadside protective cover according to an embodiment of the present invention is biased to one side,
Figure 10a and Figure 10b is a plan view of the present invention non-slip roadside protective cover formed in any position the roadwork;
11 is a plan view showing the deformation form and the formation position of the tree according to the present invention non-slip roadside protective cover when the base of the tree is large,
12A and 12B are plan views of the present invention non-slip roadside protective cover formed with a pattern on the surface for aesthetic appearance.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention non-slip roadside protective cover and its manufacturing method.

Figures 2a to 2c is a view showing the position of forming a variety of water holes of the custom non-slip roadside protective cover according to the present invention, Figures 3a and 3b is a forming position of the waterway according to the shape of the invention non-slip roadside protective cover 4 is a process flow chart for manufacturing the present invention non-slip roadside protection cover, Figures 5a to 5e is a forming process of the steel sheet according to the present invention, Figure 6 is a perspective view of a steel sheet according to the present invention, Figure 7 6 is an enlarged perspective view of a portion A of FIG. 6, FIG. 8 is a perspective view of a case where a horizontal hole of a custom non-slip roadside protective cover according to an embodiment of the present invention is in the center, and FIG. 10A and 10B are perspective views when the horizontal handwork of the roadside protection cover is biased to one side, and the present invention is made of non-slip according to the invention. 11 is a plan view showing the deformation form and the formation position of the waterworks according to the present invention non-slip roadside protection cover when the base of the tree is large, Figure 12a and 12b is a pattern on the surface for aesthetic appearance As a plan view of the present invention non-slip roadside protective cover formed of the present invention, the non-slip roadside protective cover of the present invention is connected to the circumferential portion thicker than the portion other than the circumference and the connecting part 10 connected along the center of each flesh; A plurality of slits 20 formed at regular intervals to form drainage holes; The slits 20 are formed between the slits 20 and the slits 20 to form the surface of the roadside protection cover, and the slits 20 have a narrow and long through-hole having a width of 6.0 to 7.5 mm, and the cover The flesh 30 is divided into squares whose entire surfaces form a plurality of lattice shapes, and semicircular concave grooves are formed in each square, and the concave grooves and the circumferences of the square are formed of an anti-slip surface structure that forms an uneven surface on the cover surface. The cover strip 30 has a wider top surface and a narrow bottom surface of the inverted stepper structure, so that the horizontal hole 12 is formed at an arbitrary position.

In addition, the connecting bar (10) and the cover bar (30) is made of synthetic resin or iron, it is preferable to use polyethylene (PE; polyetylene / related standards KS M 3842) in the case of synthetic resin, rolled steel (SS400 / related) It is preferable to use standard KS D 3503) or cast iron (GC200 / related standards KS D 4301, GCD500 / related standards KS D 4302), more preferably cast iron (GC200 or GCD500) having an anti-slip surface structure. .

It is preferable that the said squares are 4 6 mm similarly in width and length, and the width | variety of a circumference is 0.8-1.2 mm.

The squares may be arranged in a lattice form from front to back, left and right, or may be arranged in a lattice form at an inclination of 45 in front.

Here, the tree-hole 12 may be any one of the tree-holes 12a to 12d formed on the inner side adjacent to each side of the roadside protective cover ST, as shown in FIG. 2A, and as shown in FIG. 2B. It may be any one of the horizontal holes (12e ~ 12h) formed in the corner portion of the protective cover (ST), as shown in Figure 2c along the inside of the curved side of the roadside protective cover (ST) formed in accordance with the shape of the road It may be any one of the formed horizontal holes 12i-12k.

The horizontal hole 12 may be formed at various positions as described above even when the shape of the horizontal protective cover ST is not square or rectangular, that is, as illustrated in FIG. 3A. Even when the shape of the protective cover ST is circular, the formation position of the horizontal water hole 12 may be formed at any one of the horizontal water holes 12l to 12o, and the horizontal water protection cover as shown in FIG. 3B. Even when the shape of the ST is a horseshoe type, the position at which the horizontal holes 12 are formed may be formed at any one of the horizontal holes 12p to 12r. That is, as shown in FIGS. 10A and 10B, the horizontal hole 12 may be formed at an arbitrary position of the street guard cover ST according to a user's order, and may not only promote convenience in use, but also the shape of the slit 20. It can be formed in various shapes. For example, the slits 20 may be formed in a shape as shown in FIGS. 8 and 9, and the slits 20 may be formed in the shapes shown in FIGS. 10A and 10B.

In addition, as shown in FIG. 11, when the base part of a tree is large, the shape of the horizontal hole 12 can be deform | transformed like a crushed circle, and can be formed in arbitrary positions according to an order of an orderer.

And, the production method of the non-slip roadside protective cover of the present invention mold manufacturing step (S1 step) for manufacturing the upper and lower molds (1a, 1b) having the size and thickness of the roadside protective cover (ST) to be produced; Foundry sand preparation step (S2 step) to prepare the foundry sand by kneading the addition of bentonite and sikol (Sea Coal) to washing No. 6 or artificial silica sand No. 7; A mold preparation step (S3 step) of placing the upper and lower molds (1a, 1b) of the steel plate protective cover on the mold (2), and attaching an anti-slip convex plate (3) to the upper mold (1a); Molding step (S4) to place the mold (4) on the upper and lower molds (1a, 1b), and filling the casting sand in the mold (4) to perform the vibration and compression for a predetermined time to form the upper and lower molds (5a, 5b) (S4 Step); A molding step (step S5) of separating the upper and lower molds (5a, 5b) from the upper and lower molds (1a, 1b) to mold the upper and lower molds (5a, 5b); A molten metal injection step (S6 step) of injecting molten metal into the molded upper and lower molds 5a and 5b and solidifying the molten metal; A mold dismantling step (S7 step) of disassembling the mold frame 4 to obtain a steel plate 10 'on which an anti-slip uneven surface 11 is formed; Drawing production step (S8 step) for producing a drawing of the roadside protective cover according to the order according to the position of the roadwork 12; According to the drawing is made of a CNC cutting process step (S9 step) to form the horizontal hand 12 by cutting the steel sheet 10 'with a plasma cutter.

Next, an embodiment according to the manufacturing method of the present invention non-slip roadside protective cover (ST) configured as described above will be described in detail with reference to FIGS. 4 and 5a to 5e.

First, in consideration of the size and thickness of the roadside protection cover (ST) to be produced in the mold manufacturing step (step S1), the steel plate for the roadside protection cover (ST) (10 ') ), Upper and lower molds 1a and 1b were produced (FIG. 5A).

The upper and lower molds (1a, 1b) is preferably made of aluminum having good durability and precision because the molding step needs to be changed according to the shape and size of the steel plate 10 'for the roadside protection cover (ST).

Subsequently, bentonite and sicoal (Sea Coal) were added and kneaded to the washing No. 6 or artificial quartz sand No. 7 in the foundry sand preparation step (step S2) to prepare the foundry sand.

Here, it is preferable to use a molding sand having sufficient moldability and heat resistance and a low generation of harmful gases due to high temperature, and to use a recyclable material in order to reduce production costs. It has sufficient moldability and heat resistance and can be recycled.

Then, in the mold preparation step (step S3), the upper and lower molds 1a and 1b of the steel plate 10 'for the roadside protection cover ST are placed on the mold 2, respectively, and are prevented from slipping on the upper mold 1a. The uneven plate 3 was attached (FIG. 5B).

Here, the anti-slip uneven plate 3 is to form a fine and various uneven surface of the pattern.

Subsequently, in the molding step (step S4), the mold 4 is placed on the upper and lower molds 1a and 1b, and the molding sand is filled in the mold 4 to perform vibration and compression for a predetermined time to perform the upper and lower molds 5a. , 5b) (FIG. 5C).

Then, in the molding step (step S5), the upper and lower molds 5a and 5b were separated from the upper and lower molds 1a and 1b to mold the upper and lower molds 5a and 5b (FIG. 5D).

Then, injecting molten metal into the molded upper and lower molds 5a and 5b in the molten metal injection step (step S6), the molten metal flowed into the upper and lower molds 5a and 5b to solidify (FIG. 5E).

Subsequently, in the mold dismantling step (step S7), the mold case 4 was dismantled to obtain a steel plate 10 'having an anti-slip uneven surface 11 as shown in Figs.

Subsequently, in the drawing production step (step S8), a drawing of the roadside protection cover ST was produced according to the order according to the position of the roadside work 12 of the roadside protection cover ST.

Here, the drawing production is to carry out the drawing work by the CAD program connected to the plasma cutting machine 12 and the slit 20 of the roadside protective cover (ST) ordered.

Finally in the CNC cutting process step (step S9) in accordance with the drawing on the back surface of the steel sheet 10 'formed with the anti-slip uneven surface 11 by cutting the roadside protective cover (ST) with a plasma cutting machine by the horizontal handwork (12) By forming the slit 20, it was possible to obtain the roadside protection cover ST in which the roadway hole 12 was formed at an arbitrary position.

At this time, it is preferable to form a special pattern on the top surface of the roadside protective cover (ST) to make the appearance beautiful, Figure 12a and 12b is a stem-shaped pattern of the plant on the top surface of the roadside protective cover (ST) and stars, respectively The formation of the pattern of the shape is shown.

Here, a specific method of plasma cutting using a plasma cutter is a general technique, and a description thereof will be omitted, and the present invention is limited to a plasma cutter as a cutter, but is not limited to a plasma cutter.

The roadside protective cover ST manufactured by the manufacturing method as described above has a non-slip uneven surface 11 formed on the surface thereof to increase the surface frictional force to prevent the pedestrian's sliding during rainy weather and freezing, such as a safety accident. It can be prevented, can be produced according to the ordered position of the horizontal handwork (12).

The roadside protective cover (ST) manufactured by the manufacturing method as described above is to be divided into two plates to install the support frame of the roadside protective cover (ST) in the peripheral portion of the bottom of the roadside tree and the roadside protective cover ( By assembling and installing ST), air or water will seep into the soil under the trees.

In addition, when the roadside side cover is planted by the roadside planting environment or when the existing roadside protection cover is replaced, the roadside protection part of the ready-made product cannot be installed due to the excessively large roadside protection cover. Ball 12, various designs, etc. can be produced, and by manufacturing the steel sheet cast to meet the specifications of the roadside protection cover to reduce the production cost by reducing the amount of pods will be reduced.

Although the preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Various modifications may be made by those skilled in the art, and such modifications are intended to fall within the scope of the appended claims.

1a: upper mold 1b: lower mold
2: molding frame 3: anti-slip uneven plate
4: mold 5a: upper mold
5b: lower mold 10: connecting rod
10 ': steel sheet 11: non-slip uneven surface
12: Horizontal work 12a-12r: Horizontal work
20: slit 30: cover
ST: Roadside protective cover

Claims (7)

A circumferential portion thicker than a portion other than the circumference and a connecting rib 10 connected along the center portion of each flesh, and a plurality of slits 20 formed through a predetermined interval to form a drainage hole; The slits 20 are formed between the slits 20 and the slits 20 to form the surface of the roadside protection cover, and the slits 20 have a narrow and long through-hole having a width of 6.0 to 7.5 mm, and the cover The flesh 30 is divided into squares whose entire surfaces form a plurality of lattice shapes, and semicircular concave grooves are formed in each square, and the concave grooves and the circumferences of the square are formed of an anti-slip surface structure that forms an uneven surface on the cover surface. The cover strip 30 is a non-slip roadside protective cover, characterized in that the upper surface is wide and the bottom surface is narrow inverted stepper structure is formed in a random position 12. According to claim 1, wherein the square is 4 to 6mm in the same horizontal and vertical, the width of the circumference is 0.8 to 1.2mm, may be arranged in a lattice from front to back and left and right or arranged in a lattice form inclined 45 from the front. Custom non-slip roadside protective cover, characterized in that. According to claim 1, wherein the row of holes 12 is any one of the row of holes (12a to 12d) formed on the inner side adjacent to each side of the roadside protection cover (ST), or the roadside tree formed in the corner portion of the roadside protection cover (ST) The non-slip roadside protective cover, characterized in that any one of the holes (12e-12h) or any one of the waterholes (12i-12k) formed along the inner side of the curved side of the roadside protective cover (ST). [4] The non-slip roadside protective cover of claim 3, wherein the crosshole 12 forms a crushed circle whose shape is deformed according to the size and shape of the tree root. 4. The non-slip roadside protective cover of claim 3, wherein a stem-shaped pattern or a star-shaped pattern is formed on the top surface of the roadside protective cover (ST). A mold manufacturing step (S1 step) of manufacturing upper and lower molds 1a and 1b having the size and thickness of the roadside protective cover ST to be produced; Foundry sand preparation step (S2 step) to prepare the foundry sand by kneading the addition of bentonite and sikol (Sea Coal) to washing No. 6 or artificial silica sand No. 7; A mold preparation step (S3 step) of placing the upper and lower molds (1a, 1b) of the steel plate protective cover on the mold (2), and attaching an anti-slip convex plate (3) to the upper mold (1a); Molding step (S4) to place the mold (4) on the upper and lower molds (1a, 1b), and filling the casting sand in the mold (4) to perform the vibration and compression for a predetermined time to form the upper and lower molds (5a, 5b) (S4 Step); A molding step (step S5) of separating the upper and lower molds (5a, 5b) from the upper and lower molds (1a, 1b) to mold the upper and lower molds (5a, 5b); A molten metal injection step (S6 step) of injecting molten metal into the molded upper and lower molds 5a and 5b and solidifying the molten metal; A mold dismantling step (S7 step) of disassembling the mold frame 4 to obtain a steel plate 10 'on which an anti-slip uneven surface 11 is formed; Drawing production step (S8 step) for producing a drawing of the roadside protective cover according to the order according to the position of the roadwork 12; Method of manufacturing a custom non-slip roadside protective cover, characterized in that consisting of a CNC cutting process step (S9 step) of cutting the steel plate (10 ') with a plasma cutter according to the drawings to form a horizontal handwork 12 by laser processing. . The method of claim 6, wherein in the CNC cutting step (S9 step) by CNC cutting of the roadside protective cover (ST) with a plasma cutting machine on the back of the steel sheet 10 'formed with an anti-slip uneven surface 11 according to the drawing Method for producing a custom non-slip roadside protective cover, characterized in that to form a horizontal hole 12 and the slit 20 at any position.

Images