1) multi-core pre-fabricated branched cable
多芯预制分支电缆
1.
In terms of large size multi-core pre-fabricated branched cables,this paper explores the key manufacturing processes for the main cable and branch,conductor crimping and insulation of the connection box.
对大截面多芯预制分支电缆的主干线和分支线、导体压接、连接盒绝缘体等制造工艺要点进行了探讨。
2) prefabricated branched cable
预制分支电缆
1.
This paper presents the necessity of the voltage test in water of branch connection box in prefabricated branched cables and improvement in the manufacture of branch connection box to meet the requirement of the testing, beginning from analysis of the existing standards of prefabricated branched cable
从预制分支电缆现有标准分析入手,提出预制分支电缆的分支连接盒浸水电压试验的必要性,以及如何改进分支盒的制造工艺,以满足该试验的要求。
2.
The injection molding material and process for the insulation on the connector in the prefabricated branched cables with low smoke HFFR polyolefine insulation were analyzed.
对无卤低烟阻燃聚烯烃型预制分支电缆连接体注塑的绝缘材料应用、注塑工艺进行分析,并从设备改造、模具设计、材料开发等要点入手,探讨解决的途径。
3) pre-fabricated branched cable
预制分支电缆
1.
Application of pre-fabricated branched cable in power supply system;
预制分支电缆在供配电系统中应用的讨论
2.
This paper presents the procedures of manufacture and installation of pre-fabricated branched cables, considering the problems occurred during the cable production and customers requirements.
该文就预制分支电缆的制造过程中出现的问题并结合用户要求,提出了进行预制分支电线电缆的制造和安装的几个步骤。
4) pre-fab branched cable
预制分支电缆
1.
The common problems in the production of pre-fab branched cables are analyzed in detail.
对预制分支电缆制造中经常遇到的若干问题进行了较详细地分析,提出了一些预防措施和解决方法。
2.
This paper presents the construction,performance and manufacturing process of low smoke HFFR polyolefine insulated pre-fab branched cables,in a view to promote the production and application of pre-fab branched cables in China.
介绍了无卤低烟阻燃聚烯烃型预制分支电缆的结构、性能和工艺,旨在促进我国预制分支电缆的应用和制造。
5) Preparing to make the branch cable
预制分支电力电缆
6) ready-made branch cable
预分支电缆
1.
Effects of the blends of a metal oxide solid solution together with ATH on flame retardancy, smoke suppression, physical and mechanical properties, processability, thermal stability and evolution of HCI of PVC for ready-made branch cable are studied.
研究了1种金属氧化物固溶体与氢氧化铝(ATH)的共混物对聚氯乙烯(PVC)预分支电缆专用料的阻燃性、消烟性、物理机械性能、成型加工性、热稳定性以及HCl释放量的影响。
2.
Brings the checking principles of ready-made branch cable ,expecting to get better comprehensive economical value.
结合工程实例给出预分支电缆校验的原则,以期获得较好的综合经济价值。
补充资料:多层厂房预制钢筋混凝土框架结构安装
多层厂房预制钢筋混凝土框架结构安装
installation of precast reinforced concrete frame structure for multilayer workshop building
定.11 ~.。」:柱1一可下门- 杯形井礴11铆椒,甲丫一目一一丫 位板沙父父护科月黔今了牛’J一一确r一一土- 二黑交哪嗯浮i钊粼减图“连接板埋设件连接法 图1柱子固定示意图柱子四面的连接板和埋设件,然后进行连接板外表面 的刷油和涂装。 由于混凝土的抗弯性能所限,混凝土柱不能过长。梁和板的安装在第一节柱安装完成后,及时将对较高的多层框架柱,一般都设计成多段,在预制厂分预制梁、板安装好,以尽快形成整体框架,保持结构的节制作,运至现场后,由安装者在高空对接成整根柱。稳定。梁与柱的连接多采用柱肩梁承接式,通过梁端头这种多节柱安装的关键在于柱与柱之间对接接口的施上下两面的埋设件与柱的埋设件焊接、固定(图4)。梁工,常用的接口型式有湿式连接(图2)和连接板埋设固定后,将预应力钢筋混凝土板座落在梁上,通过将大件连接(图3)两种。(1)湿式连接法。起吊前先实地板两端下边的埋设件与梁上面的埋设件焊接在一起,量测预留钢筋接头的尺寸,将接头调直,开好坡口;将将板固定起来(图5),使框架形成一个空间刚体。如接头处的混凝土面打毛处理,在柱头上事先系3一4根此逐层依次施工,直至完成多层厂房框架结构的全部缆绳,用于调整柱子就位后的垂直度。起吊后将上下柱安装工作的钢筋接头对准,并用两台经纬仪同时测量柱子相邻丁粉可-两面的垂直度,用缆绳进行校正。垂直度合格后进行对!」下称焊接,先焊接头支承面的钢板埋设件,再焊柱子四角!华卜一,一一洲二二的钢筋和全部对接钢筋,然后复核上下柱中心的垂直1七口,杏一一.州.去盛,度,若无偏差立即支模灌浆。(2)连接板埋设件连接法。IJ}}将柱子起吊后与下柱对准就位,并用两台经纬仪同时!//~测童校正相邻两面的中心线垂直度,合格后进行焊接。
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