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下載手機APP 近日，國家知識產權局信息顯示，上海外高橋造船有限公司申請一項名為“一種用於橋式起重機的控製電路及起重機”的專利，公開號CN120117530A，申請日期為2025年02月。
專zhuan利li摘zhai要yao顯xian示shi，本ben發fa明ming涉she及ji起qi重zhong機ji技ji術shu領ling域yu，具ju體ti公gong開kai了le一yi種zhong用yong於yu橋qiao式shi起qi重zhong機ji的de控kong製zhi電dian路lu及ji起qi重zhong機ji，該gai用yong於yu橋qiao式shi起qi重zhong機ji的de控kong製zhi電dian路lu包bao括kuo凸tu輪lun控kong製zhi器qi、起升機構、第di一yi延yan時shi繼ji電dian器qi和he第di二er延yan時shi繼ji電dian器qi。由you於yu凸tu輪lun控kong製zhi器qi的de長chang時shi間jian使shi用yong後hou觸chu點dian磨mo損sun且qie操cao作zuo人ren員yuan操cao作zuo過guo快kuai，上shang升sheng接jie觸chu器qi的de電dian弧hu未wei完wan全quan熄xi滅mie前qian而er下xia降jiang接jie觸chu器qi接jie通tong，容rong易yi造zao成cheng電dian弧hu短duan路lu，將jiang第di一yi延yan時shi繼ji電dian器qi並bing聯lian於yu上shang升sheng接jie觸chu器qi，且qie串chuan聯lian於yu下xia降jiang接jie觸chu器qi；tongshijiangdieryanshijidianqibinglianyuxiajiangjiechuqi，qiechuanlianyushangshengjiechuqi，rucishezhi，dangxuyaotongguotulunkongzhiqiqiehuanshangshengjiechuqihexiajiangjiechuqishi，nenggoutongguodiyiyanshijidianqihedieryanshijidianqiyanchishangshengjiechuqiyuqishengdianji、下降接觸器與起升電機之間的接通時間，從而避免出現電弧短路，容易造成設備跳閘的情況。
