Plug wire device
A technology of inserting and leading wires, applied in the direction of pipes/pipe joints/pipes, cable laying equipment, mechanical equipment, etc., to prevent failures
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Example Embodiment
[0146] (Example 1)
[0147] refer to figure 1 Example 1 will be described. figure 1 It is a schematic cross-sectional view of the wire insertion device of this embodiment. The vacuum suction device 1 is driven by a motor. The air hose 2 made of a rubber tube or a resin tube is fixed so as to cover the opening on the suction side of the vacuum suction device 1 . The vacuum suction device 1 sucks air through an air hose 2 .
[0148] The pipeline 3 that becomes the cable laying pipe is buried under the road. A lead wire 6 consisting of a wire helix is inserted into the line 3 . Both ends of the pipeline 3 are connected to the side surfaces of the inspection hole 7 and the inspection hole 8 . The road surface portion 9 is provided on the surface of the road. The inspection holes 7 and 8 are provided along the road at a predetermined distance, for example, about 200 meters. The insertion port of the pipeline 3 buried in the ground is open toward the wall surface of the in...
Example Embodiment
[0164] (Example 2)
[0165] refer to Image 6 Example 2 will be described. Image 6 A schematic side view of the sealed long bag 62 is shown. However, the sealed long bag 62 is subjected to a differential pressure in the pipeline 3 shown in the cross-sectional view. The sealed long bag 62 has a resin bag portion 625 made of a resin film capable of enclosing air therein, and a reinforcing portion 626 having flexibility and a tensile strength in the longitudinal direction higher than that of the resin bag portion 625 . The reinforcing portion 626 is composed of a resin mesh thicker than the resin film constituting the resin bag portion 625 , and covers the resin bag 625 .
[0166] Figure 7 It is a partially enlarged schematic side view showing a part of the reinforcing part 626 in an enlarged manner. The rear end portion (not shown) of the reinforcing portion 626 is connected to the front end of the lead wire 6 (not shown) together with the rear end portion (not shown) of ...
Example Embodiment
[0167] (Example 3)
[0168] Embodiment 3 will be described with reference to 8. FIG. Figure 8 It is a schematic radial cross-sectional view of the sealed long bag 62 . The sealed long bag 62 has a resin bag portion 625 and a reinforcing portion 626 joined to each other. The resin bag portion 625 is a bag made of a resin film and sealed. The reinforcement portion 626 is composed of a resin tape 6261 having a stronger strength than the resin bag portion 625 .
[0169] Figure 9 express Figure 8 Variation of the sealed long bag shown. A plurality of short resin tapes 6261 are dispersed on the surface of the resin bag portion 625 .
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