Method for bonding polytetrafluoroethylene plate on bottom surface of cable saddle

A technology of PTFE board and bottom surface, which is applied in the direction of construction, bridge construction, bridges, etc., can solve the problems of large volume of cable saddle structure, low bonding strength, and inability of PTFE board, so as to improve thermal bonding quality and improve bonding Quality, compactness and savings

Pending Publication Date: 2022-07-29
DEYANG TIANYUAN HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large volume and complex structure of the cable saddle structure, it is impossible for the PTFE plate to be thermally bonded to the bottom surface of the saddle body by heating one side of the saddle body, nor is it possible to heat the PTFE plate directly to the bottom surface of the saddle body. The PTFE plate is thermally bonded to the bottom surfac

Method used

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  • Method for bonding polytetrafluoroethylene plate on bottom surface of cable saddle
  • Method for bonding polytetrafluoroethylene plate on bottom surface of cable saddle
  • Method for bonding polytetrafluoroethylene plate on bottom surface of cable saddle

Examples

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Effect test

Embodiment 1

[0057] The structure of the push-pull friction pair tetrafluoro plate at the bottom of the cable saddle is not required by the present invention. The arrangement of the tetrafluoro plate on the bottom surface of the saddle body is not required. For example, each tetrafluoro plate can correspond to the push direction of the saddle body. The longitudinal arrangement structure can also be a fishtail-shaped oblique arrangement structure in which each PTFE plate corresponds to the push direction of the saddle body, and the like.

[0058] see figure 1 As shown in the figure, the method of bonding the PTFE plate on the bottom surface of the cable saddle of the present invention (usually refers to the main cable saddle of the suspension bridge; of course, it is applicable to any cable saddle that involves the jacking operation and needs to form a PTFE plate at the bottom). The method specifically includes the following process steps:

[0059] Step 1. Place the saddle body 1 with the ...

Embodiment 2

[0088] The method for bonding the tetrafluoro board on the bottom surface of the cable saddle of the present invention specifically comprises the following process steps:

[0089] Step 1. Place the saddle with the bottom side up to facilitate the bonding operation;

[0090] According to the PTFE plate arrangement structure required by the design of the saddle bottom surface, mark the area on the bottom surface of the saddle body that currently needs to be bonded to the PTFE plate;

[0091] Use organic solvent - such as acetone, to clean the bottom surface of the current bonding area of ​​the saddle body, and remove the sundries and oil stains attached to the current bonding area of ​​the saddle body bottom surface; after the current bonding area of ​​the saddle body bottom surface is cleaned, wait until it is completely dry ;

[0092] Clean the sodium naphthalene surface of the current tetrafluoro board and wait for it to dry completely;

[0093] Step 2. Apply the AB glue ev...

Embodiment 3

[0118] The method for bonding the tetrafluoro board on the bottom surface of the cable saddle of the present invention specifically comprises the following process steps:

[0119] Step 1. Place the saddle with the bottom side up to facilitate the bonding operation;

[0120] According to the PTFE plate arrangement structure required by the design of the saddle bottom surface, mark the area on the bottom surface of the saddle body that currently needs to be bonded to the PTFE plate;

[0121] Use organic solvent - such as acetone, to clean the bottom surface of the current bonding area of ​​the saddle body, and remove the sundries and oil stains attached to the current bonding area of ​​the saddle body bottom surface; after the current bonding area of ​​the saddle body bottom surface is cleaned, wait until it is completely dry ;

[0122] Clean the sodium naphthalene surface of the current tetrafluoro board and wait for it to dry completely;

[0123] Step 2. Apply the AB glue ev...

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Abstract

The invention discloses a method for bonding a polytetrafluoroethylene plate on the bottom surface of a cable saddle. The method comprises the following steps: 1, cleaning and drying the current area of the bottom surface of a saddle body and the naphthalene sodium surface of the current polytetrafluoroethylene plate; 2, adhesive is evenly smeared on the current area of the bottom face of the saddle body; a polytetrafluoroethylene plate is laid on the bottom surface of the saddle body according to the design; exhausting air in the combination seam; 3, covering a protection pad on the pushing surface of the polytetrafluoroethylene plate; a heat transfer tool is placed on the protection pad; arranging electric heating sheets on the heat transfer tool, and placing a compacting object on the heat transfer tool; 4, an electric heating piece is started, heat output by the electric heating piece acts on the polytetrafluoroethylene plate through a heat transfer tool and a protection pad, and the temperature of the pushing face of the polytetrafluoroethylene plate is higher than the room temperature and lower than the melting point temperature of the polytetrafluoroethylene plate; continuously heating for at least 1 hour; 5, closing the electric heating sheet, and naturally cooling to room temperature; removing the pressing object, the electric heating sheet, the heat transfer tool and the protection pad; and quality inspection. According to the invention, the polytetrafluoroethylene plate can reliably form hot-pressing bonding forming on the bottom surface of the saddle body, and the hot bonding quality of the polytetrafluoroethylene plate on the bottom surface of the saddle body is effectively improved.

Description

technical field [0001] The invention relates to a method for forming a cable saddle of a suspension bridge, in particular to a method for forming a thrust friction pair structure (tetrafluoro plate) of the suspension bridge at the bottom of the cable saddle, and more particularly, a method for directly thermally bonding four parts on the bottom surface of the cable saddle. Fluoroplate method. Background technique [0002] In the construction process of the suspension bridge project, in order to adapt to the change of the main cable's empty cable state and the load state of the completed bridge, the main cable saddle needs to be pre-biased to one side of the side span by a certain distance during installation. With the progress of the bridge project , the main cable saddle is gradually pushed up, so that the forces on both sides of the main tower tend to be balanced. That is to say, the pushing process of the main cable saddle of the suspension bridge is actually by changing...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D19/14
CPCE01D21/00E01D19/14
Inventor 黄安明李泽锐石红昌陈远林
Owner DEYANG TIANYUAN HEAVY IND
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