The cable trays in various industries have shown good application effects, which shows what application advantages in industrial applications. Next, we will continue to make the following simple arrangements for the cable tray at Yexin, and provide relevant explanations to understand the application of cable trays in industry together. With the widespread application of cable bridges, they have gradually performed well in various industries and their applications in industry have also become increasingly widespread.

此外，新工业方法的开发和应用不应影响实际效果。在丰富的时代，更好的电缆桥架制造商在全新的发展模式中主要有着需求。桥架结构在工业模式中的应用具有很大的影响。索桥结构在工业模式中的应用越来越多，其未来的发展和改进需要可以得到更好的利用。电缆桥的实际需求是人们可以根据不同的行业要求来实施。

In addition, the development and application of new industrial methods should not affect actual results. In the era of rich brands, better cable tray manufacturers mainly have a demand in the new development model. The application of bridge structures in industrial models has a significant impact. The application of cable bridge structures in industrial models is increasing, and their future development and improvement need to be better utilized. The actual demand for cable bridges is that people can implement them according to different industry requirements.

通过对各用户改进工作的深入分析，可以看出原生产厂家不局限于电缆桥架生产厂家。也许对未来改革的新需求应该以产业优化模式为必然选择。好的选择自然有好的优势。对生产者的认知可能始于工业需求的运作

Through in-depth analysis of the improvement work of various users, it can be seen that the original manufacturers are not limited to cable tray manufacturers. Perhaps the new demand for future reforms should be based on the industrial optimization model as the inevitable choice. Good choices naturally have good advantages. The perception of producers may begin with the operation of industrial demand

电缆桥架在我国北方地区，热胀冷缩现象会十分明显，在东北地区，夏季高温度达40度，冬季低温度零下40度，这就要求电缆桥架要随温度的变化能正常使用。所以，要正确设计收缩量，如下：

The phenomenon of thermal expansion and contraction of cable trays is very obvious in the northern region of China. In the northeast region, the high temperature in summer can reach 40 degrees Celsius, and the low temperature in winter can reach minus 40 degrees Celsius. This requires that cable trays can be used normally with temperature changes. Therefore, it is necessary to correctly design the shrinkage as follows:

Δt=11.2 ×10-6×60deg(度)×

Δ T=11.2 × 10-6 × 60deg (degrees) ×

由此得出结论：

From this, it can be concluded that:

温差为60℃时 ,Δι

When the temperature difference is 60 ℃, Δι

温差为50℃时, Δι

When the temperature difference is 50 ℃, Δι

温差为40℃时, Δι

When the temperature difference is 40 ℃, Δι

工程设计中直线段电缆汇线桥架应考虑伸缩接头,伸缩接头的间距建议按以下取定：

In engineering design, expansion joints should be considered for the straight section cable tray, and the spacing of expansion joints is recommended to be determined as follows:

当温差为40℃时为

When the temperature difference is 40 ℃

当温差为50℃时为

When the temperature difference is 50 ℃

当温差为60℃时为

When the temperature difference is 60 ℃

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