Cable duct box device for rail transportation
A cable trough box and rail transit technology, applied in the field of rail transit, can solve the problems of environmental erosion and freeze-thaw damage of cement products, inconvenient maintenance and replacement of cement cable troughs, and limited use of regions, etc. Anisotropy, the effect of increasing the oxygen index
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Embodiment 1
[0033] The cable trough box device for rail transit in this embodiment includes a plurality of cable trough box units made of composite materials connected end to end in sequence, a sealing component and a load-bearing component arranged at the joints of the cable trough box units. The sealing assembly includes a sealing bead 2 and a spacer 1, wherein the spacer 1 is arranged at the bottom of the junction of the unit body of the cable groove box, and the sealing bead 2 is sealed and pressed on the upper surface and the side of the junction of the unit body of the cable groove box, There is a detachable connection between the sealing bead 2 and the spacer 1 . The load-bearing assembly includes a fixed bead 3 and a pad 1, the pad 1 is arranged at the bottom of the middle part of the cable groove box unit body, the fixed bead 3 is pressed on the upper surface and the side of the cable groove box unit body, the fixed bead 3 and The pads 1 are detachably connected. The fixed bead ...
Embodiment 2
[0044] The new composite material cable duct for rail transit in this embodiment includes a cable duct box unit body, a spacer 1 , a sealing bead 2 and a fixing bead 3 . The specific structure is the same as in Embodiment 1, and will not be described in detail here.
[0045] The unit body of the cable trough box is prepared by the pultrusion process of each component with the following weight:
[0046]
[0047] The preparation method is as follows: add the release agent to the unsaturated polyester resin, stir with a high-speed disperser at a speed of 1000 rpm for 1 minute, and add the other components to the above resin in turn. During the addition process, the high-speed dispersant should be Continue to disperse, and keep the stirring speed above 1000 revolutions per minute. After all the materials are added, continue to disperse for 5 minutes to obtain an unsaturated polyester resin paste; use glass fiber ply roving to fully soak in the above mixture. Some pultrusion mo...
Embodiment 3
[0051] The new composite material cable duct for rail transit in this embodiment includes a cable duct box unit body, a spacer 1 , a sealing bead 2 and a fixing bead 3 . Concrete structure is with embodiment 1.
[0052] The unit body of the cable trough box is prepared by the pultrusion process of each component with the following weight:
[0053]
[0054] The preparation method is as follows: add the release agent to the unsaturated polyester resin, stir with a high-speed disperser at a speed of 1000 rpm for 1 minute, and add the other components to the above resin in turn. During the addition process, the high-speed dispersant should be Continue to disperse, and keep the stirring speed above 1000 revolutions per minute. After all the materials are added, continue to disperse for 5 minutes to obtain an unsaturated polyester resin paste; use glass fiber ply roving to fully soak in the above mixture. Some pultrusion molding techniques make glass fiber plied roving, chopped ...
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