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Main cable anti-slip device, anti-slip saddle and anti-slip cable clamp

A technology of main cables and cable clamps, applied to bridge parts, bridges, buildings, etc., can solve the problem of low anti-sliding ability, achieve the effect of enhancing anti-sliding ability and reliable anti-sliding principle

Inactive Publication Date: 2014-08-20
苏传海
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The technical problem to be solved by the present invention is the problem of low anti-skid ability between the main cable and the saddle or the cable clamp

Method used

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  • Main cable anti-slip device, anti-slip saddle and anti-slip cable clamp
  • Main cable anti-slip device, anti-slip saddle and anti-slip cable clamp
  • Main cable anti-slip device, anti-slip saddle and anti-slip cable clamp

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Embodiment Construction

[0037] In the attached figure, in a non-limiting way, a kind of cable anti-slip device related to the present invention is illustrated, and an embodiment thereof applied to the main cable saddle and cable clamp.

[0038] A cable anti-skid device (see figure 1 ), including friction zone 1, connection zone A 2 and connection zone B 3; the dotted line in it indicates the boundary of the outline of the main cable, which is composed of several prefabricated parallel steel strands, and the outline of the main cable refers to the strands contained in the main cable The convex hull of the intersection of the axis and the normal plane of the axis of the main cable; the anti-skid device passes through the middle of the cross-section of the main cable, and the friction zone is located in the main cable and is in close contact with the strands of the main cable; the friction zone is located in the connection zone A and the connection Area B is connected between and connected with it; conn...

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Abstract

The invention relates to a main cable anti-slip device, an anti-slip saddle and an anti-slip cable clamp. Anti-slip check and calculation between a main cable and the cable clamp and between the main cable and the saddle are important design content of a suspension bridge. A method that friction faces connected with the cable clamp or the saddle are increased between main cable wire strands penetrating through the cable clamp or the saddle is adopted, friction force is generated through radial force or clamping force transmitted between the main cable wire strands, and accordingly anti-slip performance between the cable clamp and the main cable and between the saddle and the main clamp is improved. By means of a reliable friction force anti-slip principle, anti-slip capacity is improved under the condition that extra pressure does not need to be applied, meanwhile, the situation that local stress of the main cable is increased or fatigue strength is reduced cannot be caused, the stress situation of a saddle groove wall can be improved, and the main cable wire strands in the saddle and the cable clamp are stressed more uniformly. The anti-slip capacity of the main cable in the saddle can be multiplied, and the cable clamp is shortened by 1 / 3. The principle is reliable, the structure is simple, construction is convenient to carry out, cost is low and practical value is achieved.

Description

technical field [0001] The present invention relates to saddles and cable clips of suspension bridges, in particular to a device for enhancing the slip resistance between the saddle or cable clip and the main cable strands therein. Background technique [0002] In recent years, the technology of long-span three-tower suspension bridges has been developed in my country. Under the action of asymmetric load, the axial force difference of the main cable on both sides of the saddle on the top of the tower in this suspension bridge is relatively large, and the anti-skid technology between the main cable and the saddle faces challenges. [0003] The main cable is generally tightly integrated by a number of galvanized high-strength steel wires, galvanized high-strength steel wire ropes, and galvanized high-strength steel strands. The saddle is the connection between the main cable and the bridge pier, and the cable clamp is the connection between the main cable and the sling. There...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/14E01D19/16
Inventor 苏传海
Owner 苏传海
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