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Fully sealed inhaul cable and utilization method thereof

A fully sealed and cable-body technology, applied in the field of cables, can solve problems such as failure of protective measures and aging of sealing materials

Active Publication Date: 2013-03-06
SHANGHAI PUJIANG CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, the protection method of the anchorage part was generally to put the anchorage into the cable guide, fill part of the sealing material in the cable guide for protection, and then add a waterproof cover to the guide mouth, etc. Due to the constant vibration of the body and the aging of the sealing material, these protective measures will be partially ineffective.

Method used

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  • Fully sealed inhaul cable and utilization method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A fully sealed cable, including an anchor guard 1, a quick connector 11, an air outlet plug 12, an anchor 2, a nut 3, a connecting cylinder 4, a cable body 5, a pre-embedded cable guide 6, and an anchor plate 61 , sealing material 7, damper 8, protective liner 9 and heat-shrinkable protective sleeve 10, such as figure 1 As shown, the specific structure is: one end of the cable body 5 is inserted into the connecting tube 4 and inserted into the anchor cup of the anchor tool 2 through the connecting tube 4, and the anchor head of the anchor tool 2 is inserted into the embedded cable guide 6 and is inserted from the embedded cable guide 6. The anchor 2 and the embedded cable conduit 6 are connected by a nut 3, the other end of the cable body 5 fixes the damper 8 and passes through the other end surface of the embedded cable conduit 6, and the damper 8 is lined on the Between the cable body 5 and the pre-buried cable guide 6, there is also a sealing compound 7 between the c...

Embodiment 2

[0029] A fully sealed cable, including an anchor guard 1, a quick connector 11, an air outlet plug 12, an anchor 2, a nut 3, a connecting cylinder 4, a cable body 5, a pre-embedded cable guide 6, and an anchor plate 61 , sealing material 7, damper 8, protective liner 9 and heat-shrinkable protective sleeve 10, the specific structure is as follows figure 1 Shown, with embodiment 1 same.

[0030] The installation steps of this embodiment are the same as those of Embodiment 1.

[0031] When the present embodiment is used, proceed as follows:

[0032] a. Connect the quick connector 11 on the embedded cable conduit 6 with the hygrometer, thereby realizing the monitoring of the humidity in the embedded cable conduit 6;

[0033] b. Connect the quick connector 11 on the embedded cable conduit 6 to the blower, and use the blower to fill the embedded cable conduit 6 with dry air or inert gas;

[0034] c. Open the air outlet plug 12 on the embedded cable conduit 6, and fill the embedd...

Embodiment 3

[0036] A fully sealed cable, including an anchor guard 1, a quick connector 11, an air outlet plug 12, an anchor 2, a nut 3, a connecting cylinder 4, a cable body 5, a pre-embedded cable guide 6, and an anchor plate 61 , sealing material 7, damper 8, protective liner 9 and heat-shrinkable protective sleeve 10, the specific structure is as follows figure 1 Shown, with embodiment 1 same.

[0037] The installation steps of this embodiment are the same as those of Embodiment 1.

[0038] When the present embodiment is used, proceed as follows:

[0039] a. Connect the quick connector 11 on the anchorage protective cover 1 with the hygrometer, so as to realize the monitoring of the humidity in the anchorage protective cover 1;

[0040] b. Connect the quick connector 11 on the anchor guard 1 to the blower, and use the blower to fill the anchor guard 1 with dry air or inert gas;

[0041] c. Open the air outlet plug 12 on the anchor protective cover 1, and fill the anchor protective co...

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Abstract

The invention relates to the field of inhaul cables of a cable-stayed bridge, in particular to a fully sealed inhaul cable and a utilization method thereof. The fully sealed inhaul cable comprises an anchorage (2), a nut (3), a connecting cylinder (4), a cable body (5), an embedded cable conduit (6), sealant (7) and a damper (8). The fully sealed inhaul cable is characterized by further comprising an anchorage protecting cover (1), quick couplings (11), air outlet plugs (12), an anchor bearing plate (61), a protecting inner container (9) and a thermal-shrinkage protecting tube (10), wherein the embedded cable conduit (6) and the cable body (5) are hooped by the protecting inner container (9), and the protecting inner container (9), the embedded cable conduit (6) and the cable body (5) are hooped by the thermal-shrinkage protecting tube (10). The utilization method of the fully sealed inhaul cable includes filling dry air or inactive gas into the anchorage protecting cover (1) via an air blower. The fully sealed inhaul cable is simple in structure, good in sealing, long in service life and wide in application range.

Description

technical field [0001] The invention relates to the field of cables used for cable-stayed bridges, in particular to a fully sealed cable and a method for using the same. Background technique [0002] The cable is the upper structure of the cable-stayed bridge, and is the most important force-bearing part of the cable-stayed bridge, bearing the weight of the bridge deck. The safety of the cables is related to the safe operation of the bridge, as well as the safety of pedestrians and vehicles on the bridge. The cable is composed of an anchor and a cable body. The cable body is generally composed of high-strength galvanized steel wire and a polyethylene sheath. The polyethylene sheath protects the steel wire from corrosion. The anchors are located at both ends of the cable body. Judging from the current anti-corrosion status of bridge cables, generally speaking, in the entire cable system, the anchorage parts are relatively easy to be corroded because they are exposed to the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/16E01D19/14E01D21/00
Inventor 罗国强张海良朱金林顾庆华谢飞
Owner SHANGHAI PUJIANG CABLE
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