JPH11324092A - Sliding reduction ditch cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To constitute the auxiliary member of an open type ditch cover for a long span so that it is oblique (diagonal) between lateral member pitched since sliding is reduced in the wide ditch cover or constitute it of the ditch cover adding the auxiliary member right and left alternately inclined between the main member of the ditch cover. SOLUTION: The ditch cover is a wide steel-made ditch cover composed of disposing a large main member 1 provided at each constant interval, an auxiliary member in parallel with the large main member between the large main members respectively and a horizontal member 3 orthogonal to the main large main member and auxiliary member at each constant interval. An oblique auxiliary member 4 alternately repeated and folded in the form of right and left diagonal in each lattice of each array formed of the large main member, the auxiliary member and the lateral member is provided symmetrically to each lattice of the adjacent array.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slip reducing groove cover.

[0002]

2. Description of the Related Art Conventionally, groove covers are provided in parallel with a road for side gutters of a road, or are provided in grooves provided for crossing a road so as to cross the road, respectively. Even if it is a lid, it may be a wide grooved lid called for long span, and when a vehicle passes over this grooved lid, it may slip in rainy weather etc. because the material is made of metal, and a traffic accident Was feared.

For this reason, in recent years, a groove cover structural material has been provided with means for preventing slippage by attaching a slip reducing projection to a panel (surface). It has been recognized that the slip reducing effect acting in the perpendicular direction is higher than that in the parallel direction, and is described in Japanese Utility Model Publication No. 5-19425.

[0004]

SUMMARY OF THE INVENTION Therefore, in order to eliminate these disadvantages, the present invention has been invented to reduce slippage in a wide groove cover, and has an open type groove for a long span (wide). The auxiliary member of the lid is configured to be oblique (diagonal) between the horizontal member pitches, or
It is constituted by a groove cover to which an auxiliary member configured to be inclined left and right alternately is added between the main members of the groove cover.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-described problems, the present invention provides a wide groove cover in which an auxiliary member is arranged so as not to be parallel to a traveling direction of a vehicle tire. It is intended to develop a slip reducing groove lid provided with an oblique direction auxiliary member in which the auxiliary member is disposed obliquely.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. Referring to FIGS. 1 to 3, large main members (1) provided at regular intervals and a large An auxiliary member (2) in which the slip reducing projections (X) are arranged in parallel on the upper surface or a plain (one having no slip reducing projection) auxiliary member (2) is arranged in parallel with the main member. Slip reducing projections (X) are lined up on the upper surface of a wide steel groove cover composed of member (1) and auxiliary member (2) with transverse members (3) orthogonally arranged at regular intervals. Or plain (without slip-reducing projections) auxiliary member (2)
And a diagonal auxiliary member that alternately repeats and bends left and right diagonally alternately in each grid of each row formed by the large main member (1), the auxiliary member (2), and the horizontal member (3). (4) is constituted by a slip reducing groove lid characterized in that it is provided symmetrically with each lattice in an adjacent row, and (5) is a strip.

[0007] The main member (1) of the groove cover in FIG.
Is an I-beam, the horizontal member (3) is rectangular and has a pitch of 100 mm, and the groove cover of another embodiment of the invention shown in FIG. 4 has a horizontal member pitch of 50 mm. In any case, a diagonal auxiliary member (4) that alternately repeats and bends left and right diagonally is attached, and the auxiliary member (2) and the left and right diagonal are alternately provided. On the upper surface of the oblique direction auxiliary member (4) which is repeatedly or bent, a plain auxiliary member (2) provided with a slip reducing projection (X) or not provided at all is provided.

Next, another embodiment of the present invention will be described with reference to FIGS. 7 to 9. The groove cover is made of steel, and a plurality of band-shaped main members (1a) are provided at regular intervals. An oblique direction auxiliary member (4a) having a slip reducing projection (X) on the upper surface thereof is provided in a frame with a horizontal member (3a) in which a plurality of steel bars are twisted, which is orthogonal to (1a). An oblique direction auxiliary member (4) that alternately repeats and bends left and right diagonally in each grid of each row formed by the main member (1a) and the horizontal member (3a).
a) is provided with a slip-reducing groove cover characterized in that it is provided symmetrically with each lattice in an adjacent row, and (5)
a) is a band plate, and the oblique direction auxiliary member (4a) may not be provided with a projection (X) on the upper surface.

The cross member of the horizontal member (3) and the diagonal auxiliary member (4) that alternately repeats and bends diagonally left and right in each lattice of each row, and the horizontal member ( 3a), the diagonal auxiliary members (4b) alternately repeated and bent diagonally to the left and right in each lattice of each row formed by cutting a notch into one of them and welding. Things.

Next, another embodiment of the present invention will be described with reference to FIGS.
In the following description, the steel groove cover is provided with a plurality of band-shaped main members (1a) at regular intervals, and an upper surface is provided between the main member (1a) and the adjacent main member (1a). An oblique direction auxiliary member (4b) having a slip reducing projection (X)
Left and right alternately repeated and bent, provided symmetrically with the oblique direction auxiliary member (4b) in the adjacent row, and these oblique direction auxiliary members (4b) are formed in a diagonal lattice shape as a whole. (5a) is a band plate, and the one shown in FIG. 11 is one in which the main members (1a) are alternately provided and the width of the row is widened. The slip reducing projection (X) may not be provided on the upper surface of the direction assisting member (4b).

Further, the reduction projection (X) is provided with an auxiliary member, a belt-shaped main member, or a diagonal auxiliary member (4), (4a), (4b) provided by alternately repeating and bending left and right. (4c) are provided at predetermined intervals on the upper surface, and the shapes of the slip reducing projections are obliquely obliquely opposite to each other with respect to the longitudinal direction of the mold steel as a whole in plan view.

Next, still another embodiment of the present invention will be described with reference to FIGS.
A plurality of large main members (1) are provided at regular intervals, and a horizontal member (3b) orthogonal to the large main members (1) is provided to form a lattice shape. (X), two oblique direction auxiliary members (4c) and (4c) which are alternately repeated and bent left and right are provided symmetrically with the other oblique direction auxiliary members (4c). The two inclined auxiliary members (4c) in the lattice shape may be provided so as to face each other in a V-shape (see FIG. 12). They may be provided so as to cross in an X shape (see FIG. 13).

Further, the oblique direction auxiliary member (4c) may be provided with a slip reducing projection (X) on the upper surface, or may be of a plain type without the slip reducing protrusion (X).

[0014]

According to the present invention, in a wide groove cover, the effect of reducing the slip on the surface of the groove cover does not depend only on the projection shape of the groove cover, but by attaching a separate oblique direction auxiliary member. The slip reduction effect can be improved for tires in the traveling direction of the vehicle.

Further, slip reducing projections provided on the upper surface of the auxiliary member and the oblique direction auxiliary portion are provided at predetermined intervals on the upper surface, and the shape of the slip reducing projection is generally in a plan view with respect to the longitudinal direction of the die steel. By being obliquely oblique in opposite directions, extremely advantageous effects such as improvement in slip reduction performance can be achieved.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a front view showing one embodiment of the present invention.

FIG. 3 is a side view showing an embodiment of the present invention.

FIG. 4 is a plan view showing another embodiment of the present invention.

FIG. 5 is a front view showing another embodiment of the present invention.

FIG. 6 is a side view showing another embodiment of the present invention.

FIG. 7 is a plan view showing another embodiment of the present invention.

FIG. 8 is a front view showing another embodiment of the present invention.

FIG. 9 is a side view showing another embodiment of the present invention.

FIG. 10 is a plan view showing another embodiment of the present invention.

FIG. 11 is a plan view showing another embodiment of the present invention.

FIG. 12 is a plan view showing still another embodiment of the present invention.

FIG. 13 is a plan view showing still another embodiment of the present invention.

14 (a) is a plan view, FIG. 14 (b) is a front view, and FIG. 14 (c) is a cross-sectional view, showing one embodiment of the slip reducing projection used in the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Large main member 1a Belt-shaped main member 2 Auxiliary member 3 Lateral member 3a Lateral member 3b Lateral member 4 Oblique direction auxiliary member 4a Oblique direction auxiliary member 4b Oblique direction auxiliary member 5 Strip 5a Strip X X Slip reduction projection

Continuation of front page (72) Inventor Ko Yamamoto 1-24 Tsukiji-cho, Kure-shi, Hiroshima

Claims (13)

[Claims] 1. Large main members provided at regular intervals, and auxiliary members disposed between the large main members in parallel with the large main members, and orthogonal to the large main members and the auxiliary members. In a wide steel groove lid configured by arranging horizontal members at regular intervals, left and right diagonal lines are formed in each grid of each row formed by the large main member / auxiliary member and horizontal member. A sliding-reducing groove cover, wherein an oblique direction auxiliary member that is alternately repeated and bent is provided symmetrically with each lattice in an adjacent row. 2. Large main members provided at regular intervals, and auxiliary members disposed between the large main members in parallel with the large main members, and orthogonal to the large main members and the auxiliary members. In a wide steel groove lid configured by arranging horizontal members at regular intervals, slip reducing projections are arranged on the upper surface, and each of the rows formed by the large main member / auxiliary member and the horizontal member is provided. A sliding-reducing groove lid, wherein a diagonal auxiliary member that alternately repeats and bends left and right diagonally in a lattice is provided symmetrically with each lattice in an adjacent row. 3. Large main members provided at regular intervals, and auxiliary members having slip reducing projections arranged on the upper surface thereof are arranged between the large main members in parallel with the large main members. In a wide steel groove cover configured by arranging orthogonal transverse members at regular intervals on the main member and the auxiliary member, each grid in each row formed by the large main member / auxiliary member and the horizontal member And a diagonal auxiliary member that alternately repeats and bends diagonally to the left and right. 4. Large main members provided at regular intervals, and auxiliary members having slip reducing protrusions arranged on the upper surface thereof in parallel with the large main members are arranged between the large main members. In a wide steel groove cover formed by arranging orthogonal horizontal members at regular intervals on a main member and an auxiliary member, slip reducing projections are arranged on the upper surface, and the large main member / auxiliary member and the horizontal member And a diagonal auxiliary member that alternately repeats and bends diagonally to the left and right in each grid of each row formed in the above-described manner, and is provided symmetrically with each grid of an adjacent row. Groove lid. 5. A steel groove cover provided at regular intervals, formed of a plurality of belt-shaped main members and a plurality of horizontal members orthogonal to the main members in a lattice shape, wherein: Sliding reduction, characterized in that diagonal auxiliary members that alternately repeat and bend in a diagonal manner on the left and right sides are provided symmetrically with each lattice in the adjacent row, in each lattice of each row between the main members. Groove lid. 6. A steel grooved cover formed at regular intervals, formed of a plurality of band-shaped main members and a plurality of horizontal members orthogonal to the main members in a lattice shape, In each lattice of each row between the main members in which the slip reducing projections are arranged in a row, a diagonal auxiliary member that alternately repeats and bends left and right diagonally alternately,
A slip-reducing groove lid provided symmetrically with each grid in an adjacent row. 7. A steel formed in a grid by a plurality of band-shaped main members provided at regular intervals and having a plurality of slide-reducing projections arranged on an upper surface thereof and a plurality of horizontal members orthogonal to the main members. A grooved lid, and in each lattice of each row between the main members, a left and right diagonal alternately repeated and bent diagonal auxiliary members,
A slip-reducing groove lid provided symmetrically with each grid in an adjacent row. 8. A steel formed in a grid by a plurality of band-shaped main members provided at regular intervals and having an array of slip-reducing projections on an upper surface, and a plurality of horizontal members orthogonal to the main members. And a diagonal auxiliary member that alternately repeats and bends left and right diagonally alternately in each lattice of each row between the main members having the slip reducing protrusions arranged on the upper surface, the groove auxiliary being adjacent to the main member. A groove cover symmetrically provided with each of the lattices of the row. 9. A steel grooved cover formed by using a plurality of band-shaped main members provided at regular intervals, wherein left and right are alternately arranged in each row between the main members. A slant-direction auxiliary member that is bent at a predetermined angle, and is provided symmetrically with respect to the slant-direction auxiliary member in an adjacent row. 10. A steel groove cover provided at regular intervals and formed by using a plurality of belt-shaped main members, wherein each row between the main members has a slip-reducing projection arranged on an upper surface thereof. And a diagonal auxiliary member that alternately repeats and bends left and right in a diagonal manner in each of the lattices is provided symmetrically with each lattice in an adjacent row. 11. A steel groove cover formed by using a plurality of belt-shaped main members provided at regular intervals and having a plurality of slide-reducing projections arranged on an upper surface thereof, wherein each row between the main members is provided. Inside, make a diagonal auxiliary member that bends left and right alternately,
A non-slip groove cover, which is provided symmetrically with respect to an oblique direction auxiliary member in an adjacent row. 12. A steel groove cover formed by using a plurality of belt-shaped main members provided at regular intervals and having an array of slip-reducing projections on the upper surface, wherein the slip-reducing projections are arrayed on the upper surface. In each of the lattices in each row between the main members, a diagonal auxiliary member that alternately repeats and bends diagonally left and right is provided symmetrically with each lattice in an adjacent row. Sliding reduction groove lid. 13. The slide-reducing projection as a whole is obliquely obliquely opposite to the longitudinal direction of the main member, the auxiliary member, or the oblique direction auxiliary member in plan view. 2 or 3 or 4 or 6 or 7 or 8 or 1
13. The slip reducing groove lid according to 0, 11 or 12.