JPH08333731A - Guard cable - Google Patents

Abstract

PURPOSE: To make improvements in buffer catching performance and safety together with workability. CONSTITUTION: Two arcuate guides 5 and 15 are installed at the outside of each terminal support 1 in response to vertical spaces of cables 6, and at least a pair of the terminal supports 1 are erected at an interval, while a series of cables are inserted through both the terminal supports 1 and they are set up plural stages at turnover vertical spaces by guidance of the arcuate guides, and both ends of the cables 6 are tightened and anchored to the terminal supports 1, thereby stretching them multistagely. In addition, a rod 7b of a rope end fitting 7 installed in the ends of the cables is inserted through the terminal supports 2, and two buffer members 9 and 19 are fitted in an insertional side of the rod, then the buffer members are tightened and interposed between the terminal supports 1 and 1, anchoring them to the ends of the cables 6. Subsequently, a ring part with a reinforced fitting is installed in the ends of the cables 6, connecting this ring part to a base end ring part of the rod of the rope end fitting 7. Moreover, two intermediate parts of the cables 6 are connected by a winding grip, forming them into serialization.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guard cable suitable for relatively short construction on a road or a parking lot.

[0002]

2. Description of the Related Art A guard cable constructed on a road or a parking lot (entrance or surrounding area) is usually constructed by arranging terminal columns and intermediate columns with a concrete foundation at appropriate intervals to form an intermediate portion of a plurality of cables. While fixing the cable to the front part of the bracket of the intermediate column, tighten both ends of each cable to the terminal column with rope end fittings etc. with rods to fix it, and apply a predetermined tension to the cable at each stage to stretch it in multiple stages. The structure is designed to buffer and support the vehicle, etc., by buffering it with the excellent proof strength and appropriate elongation of each stage of cable.

[0003]

When the conventional guard cable is constructed relatively shortly, the cable at each stage becomes short, and it takes time and labor to fix both ends, resulting in high cost. Further, there is a problem that the amount of flexure of a cable when an impact load is applied by a vehicle or the like is small, the buffer absorption performance is deteriorated, the vehicle or the cable or the like is largely damaged, and the safety is deteriorated.

The present invention was developed in order to solve the above-mentioned problems. The object of the present invention is to arrange a series of cables by folding back a plurality of stages by an arc-shaped guide provided on a terminal support. In addition, a cushioning member was inserted in the fixing part of the cable end, the cable end was connected with a reinforcing ring, and the cable middle part was connected with a wrapping grip to improve the workability as well as the buffer receiving performance and safety. To provide a guard cable.

[0005]

SUMMARY OF THE INVENTION According to the present invention, an arc-shaped guide is attached to the outer side of a terminal support column so as to correspond to the vertical spacing of a cable, and at least a pair of both terminal support columns are installed with a spacing between them to connect a series of cables. Insert it into the terminal column and fold it back with the guide of the arc-shaped guide with a vertical interval and arrange in multiple stages,
By tightening both ends of the cable to the terminal stanchions and tensioning it in multiple stages, it is easy to install and the tension of the cables in each stage is equalized and can be transmitted to the upper and lower stages to improve the shock absorbing and absorbing performance of the shock load, Improves cushioning performance and reliability.

Further, the rod of the cable end fitting provided at the end of the cable is inserted into the terminal support, and the cushioning member is fitted on the insertion side of the rod, and the cushioning member is tightened with a nut to secure the space between the terminal support. The end of the cable is fixed by mounting it on the cable, and this buffer member further enhances the buffer absorption performance, and a ring part with a reinforcing metal fitting is provided at the end of the cable, and this ring part is the base end ring of the rod of the cable end fitting. Similarly, the buffer absorption performance is further enhanced with both ring parts, and the middle part of the cable is connected with a winding grip to form a series, making it easier to assemble the cable to the terminal support. I have to.

[0007]

[Operation] An arc-shaped guide is attached to the outside of the terminal support in correspondence with the vertical spacing of the cables, and at least a pair of terminal support is installed at intervals, and a series of cables are inserted into both terminal support to guide the arc-shaped guide. It is easy to construct as a guard cable by reducing the fixing member and facilitating cable fixing by tightening and fixing both ends of the cable to the terminal pillars and arranging in multiple stages with the vertical spacing between them To be done.

Further, the cable tension of each stage is transmitted to the upper and lower stages by the guide of the arc-shaped guide and equalized to increase the amount of cable deflection in each stage, effectively improving the shock absorbing and absorbing performance of a vehicle or the like. And excellent cushioning performance and reliability. Therefore, damage to the vehicle, cables, and columns is significantly reduced, and safety is enhanced.

Also, the rod of the cable end fitting provided at the end of the cable is inserted into the terminal support, and a cushioning member is fitted on the insertion side of the rod, and the cushioning member is tightened with a nut to connect with the terminal support. By fixing the end portion of the cable by interposing on the above, the buffer absorption performance is further enhanced. By providing a ring portion with a reinforcing metal fitting at the end of the cable and connecting this ring portion to the base end ring portion of the rod of the rope end metal fitting, the shock absorbing performance is further enhanced in both ring portions. Furthermore, the middle part of the cable is connected by a winding grip to form a series, thereby making it easier to assemble the cable into the terminal support.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention is shown in FIGS. 1A, 1B, 1C and 1E, and a second embodiment of an arc guide is shown in FIG.
FIG. 1 (F) shows a second embodiment of the buffer member, FIG. 2 shows a second embodiment of cable end connection, and FIG. 3 shows an example of cable connection. In the figure, 1 is a terminal column with a support 3, 5, 15
Is an arc-shaped guide, 6 is a cable, 7 is a cable end fitting of the cable end, 9 and 19 are cushioning members, and 17 is a mechanism for connecting the ends of the cables.

The first embodiment (see FIGS. 1A, 1B, 1C, 1E) will be described in detail. As shown in FIG. 1A, the terminal support 1 is formed of a steel pipe or various shaped steel, and the base plate 2 and The support 3 is provided, and insertion holes (not shown) for the cables 6 are provided in the terminal support 1 and the support 3 in a plurality of stages,
The arc-shaped guides 5 and 1 are provided outside in accordance with the intervals of the insertion holes.
5 is fixed and the lower part is embedded in the concrete foundation c and built.

The arc-shaped guide 5 is shown in FIGS.
As shown in (C), an arc-shaped steel pipe or the like is vertically divided, and is formed in an arc shape or a semi-elliptical shape in a side view, a cross-arc shape or a semi-elliptical shape, and a fitting groove for the cable 6 is formed on the outer peripheral side. , A vertical gap is provided outside the terminal support column 1 corresponding to the insertion hole of the cable 6 and fixed by means such as welding, and the middle portion of the cable inserted into the insertion hole of the terminal support column 1 is fitted into the fitting groove on the outer peripheral side. The structure is such that they are guided together and folded back to be inserted into the insertion hole in the next stage. Further, as shown in FIG. 1D, the arc-shaped guide 15 of the second embodiment has a larger transverse shape than that of the arc-shaped guide 5 described above, and has a cushioning material 15a (rubber material) with a fitting groove for the cable 6 on the outer peripheral side. Is formed), and the intermediate portion of the cable is provided with a cushioning material 15
It has a structure in which it is fitted in the fitting groove of a and buffers the cable appropriately to guide and fold it back. The arc-shaped guides 5 and 15 in the illustrated example are formed in a semi-ring shape such as a side-view arc shape or a semi-elliptical shape in which a cable fitting groove is provided on the outer peripheral side. The plate is formed in a semi-ring shape when viewed from the side, and the outer peripheral side surface of the arc shape or the semi-elliptical shape when viewed from the side is formed as the wide guide surface of the cable, or the main body is a semi-circular shape or semi-elliptical shape when viewed from the side. It is also possible to form the plate member with the above-mentioned plate member and form a cable fitting groove or a wide guide surface on the outer peripheral portion of the plate member.

For the cable 6, various kinds of wire ropes having a 3 × 7 structure or a 7 × 7 structure, for example, are applied, and if necessary, rust-proof or marking is enhanced, and the vinyl is colored to match with the natural environment. Apply jacketed cable.

Further, the cable end fitting 7 has a socket portion 7 into which the end portion of the cable 6 is fitted, as shown in FIGS. 1 (A) and 1 (E).
a, a threaded rod 7b protruding from the other side of the socket,
It consists of a washer 7c and a nut 7d etc.
Insert the rod 7b into the terminal strut 1 (fitting the cushioning member 9 or 19 if necessary), tighten the cushioning member with the washer 7b and the nut 7c, and insert the cushioning member between the washer and the terminal strut 1. Then, the cable 6 has a structure in which an appropriate elasticity is added to fix the cable 6.

As shown in FIGS. 1 (A) and 1 (E), the buffer member 9 is made of urethane rubber or the like, and plates 9a, 9 are provided at both ends thereof.
As a structure in which b is assembled, it is fitted on the insertion side of the rod 7b of the rope end fitting 7 inserted through the terminal support 1, and is tightened with a washer 7c and a nut 7d to be interposed between the washer and the terminal support, and The cable 6 has a structure in which a proper elasticity is added through the end fitting 7 to fix the cable 6. Also, the cushioning member 19 of the second embodiment.
Is formed on a metal ring having an appropriate width as shown in FIG. 1 (F) and the rod 7b of the rope end fitting 7 is shown as shown.
It is fitted to the insertion side of the cable and is inserted between the washer 19a and a washer or nut similar to the one described above between the washer and the terminal support so as to add appropriate elasticity to the cable to fix it. .

In the illustrated first embodiment, the arc-shaped guides 5 are provided outside the terminal support 1 with the base plate 2 and the support 3 at a vertical interval of the cable 6, and the terminal support 1,
1 is built with a concrete foundation c or the like at intervals, a series of cables 6 are alternately inserted into both end columns 1 and folded back by the guides of the arc-shaped guides 5 and arranged at a plurality of steps with vertical intervals and both ends of the cable 6. Rod 7 of rope end fitting 7 provided in the section
The end portion of b is inserted into the terminal support column 1 and fixed by tightening it with washers 7c and nuts 7d, and the cable 6 is arranged in a plurality of stages to be easily installed as a guard cable with a proper tension. Further, if necessary, an intermediate column (not shown) is built with a proper space between both terminal columns 1, and a guard cable having a structure in which the intermediate portion of the cable 6 is attached to the front face of the bracket of the intermediate column is also constructed. .

As described above, in the guard cable of the first embodiment, a series of cables 6 are alternately inserted into both end columns 1 and folded back by the guides of the arc-shaped guides 5 to be stretched in a plurality of stages. Since the structure is such that both ends are fixed to the terminal support 1, the fixing member at the end of the cable is remarkably saved, and the fixing is easy. Further, since the series of cables 6 are folded back by the guide of the arc-shaped guide 5 and arranged in a plurality of stages, the tension of the cables in each stage is easily transmitted to the upper and lower stages, and the cable tension in each stage is equalized. As in the case of a long cable, the flexure amount of each stage is remarkably increased, and the shock absorbing performance of a shock load by a vehicle or the like, that is, the buffer receiving performance, and the reliability are remarkably improved. Therefore, damage to the vehicle, cables, etc. is significantly reduced and safety is enhanced.

Further, when the arc-shaped guide 15 of the second embodiment is applied in place of the above-mentioned arc-shaped guide 5 to guide the folded-back portion of the cable 6 in each step, each step is performed by the cushioning material 15a with a fitting groove of the arc-shaped guide 15. The appropriate elasticity is added to each of the cables, and the buffer absorbing performance, that is, the buffer receiving performance is further enhanced.

Further, in the first embodiment, the rod 7b of the cable end fitting 7 provided at the end of the cable 6 is inserted into the terminal support 1, and the cushioning member 9 is fitted on the insertion side of the rod 7b. When a buffer cable 9 is appropriately tightened by a washer 7c and a nut 7d to form a guard cable which is interposed and fixed between the terminal support 1 and the terminal support 1, the buffer member 9 further adds appropriate elasticity to the cable 6, The buffer absorption performance, that is, the buffer receiving performance, is further improved, and the fixing performance and reliability of the cable end portion are further improved. Instead of the cushioning member 9, the cushioning member 19 of the second embodiment is fitted to the end portion of the rod 7b, and the cushioning member 1 is constructed with washers 19a, 7c and nut 7d.
Even if 9 is fastened by being inserted between the tightening terminal post 1 and the terminal post 1, the same action and effect as described above can be obtained by the buffer member 19.

Further, the second embodiment shown in FIG.
In the above-mentioned guard cable, the ring portion 17b with the reinforcing metal fitting 17a is provided at the end of the cable 6,
7b is a base end ring portion 17 of a rod 17d of the rope end fitting 17.
The guard cable is characterized by the connecting mechanism at the end of the cable connected to e. In the figure, 17c is a ring portion 17
It is a metal fitting forming b.

The guard cable of the second embodiment is characterized by the connecting mechanism between the end of the cable 6 and the cable end fitting 17 as described above, and the reinforcing fitting 1 provided at the end of the cable.
By connecting the ring portion 17b with 7a and the base end ring portion 17e of the rod 17b, when an impact load is applied to the cable, both ring portions are appropriately expanded, and the buffer absorption performance of the cable is further enhanced. Damage to parts is reduced.

Furthermore, the third embodiment shown in FIG. 3 is characterized in that, in the above-mentioned guard cable, the middle portion of the cable 6 is connected in series by winding the end portions 21a, 21a of the winding grip 21. It is used as a guard cable.

In the guard cable of the third embodiment described above, a relatively short cable 6 is easily inserted into both end columns 1 and folded back by the guides of the arc-shaped guides 5 and 15 to be arranged in a plurality of stages. The wrapping grip 21 makes it possible to easily connect and arrange a new cable in a series, and the arrangement of the cable can be easily and efficiently performed to further improve the workability.

As the cable connecting means, various mechanisms other than the above structure can be adopted.

[0025]

As described above, according to the present invention, the arc-shaped guides are attached to the outer side of the terminal support columns so as to correspond to the vertical intervals of the cables, and at least a pair of terminal support columns are installed at intervals.
Insert a series of cables through both end columns and fold them back with arc guide guides and arrange them in multiple stages with vertical intervals and tighten both ends of the cable to the terminal columns to fix it and fix it. Significant savings and easy construction.

Further, the cable tension of each stage is transmitted to the upper and lower stages by the guide of the arc-shaped guide, the cable tension of each stage is equalized and the amount of cable bending of each stage is increased, and the impact load by the vehicle is effective. It is buffered and absorbed, and the buffer receiving performance and reliability are remarkably improved. So also
Damage to vehicles, cables, stanchions, etc. is significantly reduced and safety is enhanced.

Further, the rod of the cable end fitting of the cable end is inserted into the terminal strut, a cushioning member is fitted on the insertion side of this rod, and the cushioning member is tightened with a nut and is interposed between the end strut. By further fixing it, the buffer absorption performance is further enhanced, a ring part with a reinforcing metal fitting is provided at the cable end, and this ring part is connected to the base end ring part of the rod of the rope end metal fitting, and both ring parts are connected. In the same way, the buffer absorption performance is further enhanced, and the cable middle part is connected with a winding grip to form a series, making it easier to assemble the cable to the terminal support, etc. Supporting performance and reliability are significantly improved.

[Brief description of drawings]

FIG. 1 is an overall front view showing a first embodiment of the present invention (A).
And enlarged front view of section X (B) and sectional view of arcuate guide (C)
And a sectional view of the second embodiment thereof (D), an enlarged front view of the Y portion (E), and a side view of the cushioning member of the second embodiment (F).

FIG. 2 is a side view (A) and a plan view (B) showing a connection structure of cable end portions.

FIG. 3 is a side view showing a connecting structure of a cable middle portion (A).
FIG. 3B is a plan view (B) of the winding grip for connecting the two.

[Explanation of symbols]

 1 Terminal support 5,15 Arc guide 6 Cable 7 Cable end fitting 7b, 17d Rod 7d Nut 9,19 Buffer member 17a Reinforcing metal fitting 17b Ring part (cable) 17e Ring part (rod) 21 Winding grip

Claims (4)

[Claims] 1. An arc-shaped guide is attached to the outside of the terminal support in correspondence with the vertical spacing of the cables, and at least a pair of terminal support is installed at intervals, and a series of cables is inserted into both terminal support to guide the arc-shaped guide. It is a guard cable that is folded back by a guide and arranged in multiple steps with vertical intervals and tightened at both ends of the cable to the terminal support to be fixed and stretched in multiple steps. 2. The guard cable according to claim 1, wherein a rod of a cable end fitting provided at an end portion of the cable is inserted into a terminal support, and a cushioning member is fitted on the insertion side of the rod, and a nut is used. A guard cable characterized in that a buffer member is tightened and interposed between the terminal support and the end of the cable is fixed. 3. The guard cable according to claim 1 or 2, wherein a ring portion with a reinforcing metal fitting is provided at an end portion of the cable, and the ring portion is connected to a base end ring portion of a rod of the rope end metal fitting. A guard cable characterized in that 4. The guard cable according to claim 1, 2 or 3, wherein the intermediate portion of the cable is connected by a winding grip to form a series.