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双(Shuang)折(Zhe)线(Xian)绳(Sheng)槽(Cao)在(Zai)大(Da)型(Xing)启(Qi)闭(Bi)机(Ji)设(She)计(Ji)中(Zhong)的(De)应(Ying)用(Yong)

2024-01-31

主(Zhu)题(Ti): 对(Dui)于(Yu)多(Duo)层(Ceng)缠(Chan)绕(Rao)的(De)启(Qi)闭(Bi)机(Ji),(?)钢(Gang)丝(Si)绳(Sheng)的(De)乱(Luan)绳(Sheng)、(?)咬(Yao)绳(Sheng)问(Wen)题(Ti)一(Yi)直(Zhi)是(Shi)困(Kun)扰(Rao)设(She)备(Bei)可(Ke)靠(Kao)运(Yun)行(Xing)的(De)的(De)关(Guan)键(Jian),(?)而(?)双(Shuang)折(Zhe)线(Xian)绳(Sheng)槽(Cao)卷(Juan)筒(Tong)的(De)应(Ying)用(Yong)**的(De)解(Jie)决(Jue)了(Liao)这(Zhe)一(Yi)问(Wen)题(Ti)。(?)下(Xia)面(Mian)以(Yi)水(Shui)布(Bu)垭(Ya)水(Shui)利(Li)枢(Shu)纽(Niu)放(Fang)空(Kong)洞(Dong)闸(Zha)门(Men)启(Qi)闭(Bi)机(Ji)为(Wei)例(Li),(?)对(Dui)双(Shuang)折(Zhe)线(Xian)绳(Sheng)槽(Cao)卷(Juan)筒(Tong)在(Zai)启(Qi)闭(Bi)机(Ji)中(Zhong)的(De)设(She)计(Ji)和(He)应(Ying)用(Yong)作(Zuo)简(Jian)要(Yao)介(Jie)绍(Shao)。(?)水(Shui)布(Bu)垭(Ya)闸(Zha)门(Men)*大(Da)扬(Yang)程(Cheng)达(Da)159m,(?)启(Qi)门(Men)力(Li)3200kN,(?)属(Shu)于(Yu)高(Gao)扬(Yang)程(Cheng)、(?)大(Da)容(Rong)量(Liang)启(Qi)闭(Bi)机(Ji),(?)此(Ci)工(Gong)程(Cheng)的(De)成(Cheng)功(Gong)实(Shi)例(Li),(?)为(Wei)将(Jiang)来(Lai)在(Zai)其(Qi)它(Ta)水(Shui)电(Dian)站(Zhan)上(Shang)使(Shi)用(Yong)同(Tong)类(Lei)机(Ji)型(Xing),(?)提(Ti)供(Gong)了(Liao)可(Ke)借(Jie)鉴(Jian)的(De)经(Jing)验(Yan)。(?)

1. 启(Qi)闭(Bi)机(Ji)的(De)组(Zu)成(Cheng):(?)

该(Gai)设(She)备(Bei)为(Wei)多(Duo)层(Ceng)缠(Chan)绕(Rao)固(Gu)定(Ding)卷(Juan)扬(Yang)式(Shi)启(Qi)闭(Bi)机(Ji),(?)整(Zheng)机(Ji)由(You)两(Liang)套(Tao)对(Dui)称(Cheng)布(Bu)置(Zhi)的(De)起(Qi)升(Sheng)机(Ji)构(Gou)、(?)固(Gu)定(Ding)机(Ji)架(Jia)、(?)电(Dian)气(Qi)控(Kong)制(Zhi)3部(Bu)分(Fen)组(Zu)成(Cheng)。(?)起(Qi)升(Sheng)机(Ji)构(Gou)由(You)钢(Gang)丝(Si)绳(Sheng)、(?)卷(Juan)筒(Tong)装(Zhuang)置(Zhi)、(?)动(Dong)滑(Hua)轮(Lun)组(Zu)、(?)定(Ding)滑(Hua)轮(Lun)组(Zu)、(?)平(Ping)衡(Heng)滑(Hua)轮(Lun)及(Ji)过(Guo)载(Zai)保(Bao)护(Hu)装(Zhuang)置(Zhi)、(?)行(Xing)程(Cheng)限(Xian)位(Wei)装(Zhuang)置(Zhi)、(?)闭(Bi)式(Shi)减(Jian)速(Su)器(Qi)、(?)电(Dian)动(Dong)机(Ji)等(Deng)组(Zu)成(Cheng),(?)并(Bing)在(Zai)减(Jian)速(Su)器(Qi)的(De)高(Gao)速(Su)轴(Zhou)两(Liang)端(Duan)分(Fen)别(Bie)设(She)置(Zhi)了(Liao)工(Gong)作(Zuo)制(Zhi)动(Dong)器(Qi)、(?)安(An)全(Quan)制(Zhi)动(Dong)器(Qi)。(?)两(Liang)套(Tao)起(Qi)升(Sheng)机(Ji)构(Gou)的(De)动(Dong)滑(Hua)轮(Lun)组(Zu)通(Tong)过(Guo)平(Ping)衡(Heng)梁(Liang)与(Yu)闸(Zha)门(Men)的(De)吊(Diao)轴(Zhou)相(Xiang)联(Lian)接(Jie),(?)在(Zai)两(Liang)套(Tao)起(Qi)升(Sheng)机(Ji)构(Gou)中(Zhong)某(Mou)一(Yi)套(Tao)的(De)动(Dong)滑(Hua)轮(Lun)组(Zu)与(Yu)另(Ling)一(Yi)套(Tao)动(Dong)滑(Hua)轮(Lun)组(Zu)在(Zai)高(Gao)度(Du)差(Cha)达(Da)*大(Da)时(Shi)((?)由(You)卷(Juan)筒(Tong)直(Zhi)径(Jing)加(Jia)工(Gong)误(Wu)差(Cha)引(Yin)起(Qi))(?),(?)平(Ping)衡(Heng)梁(Liang)将(Jiang)发(Fa)生(Sheng)小(Xiao)于(Yu)4°(?)的(De)倾(Qing)斜(Xie),(?)但(Dan)闸(Zha)门(Men)与(Yu)平(Ping)衡(Heng)梁(Liang)相(Xiang)联(Lian)的(De)吊(Diao)点(Dian)为(Wei)单(Dan)吊(Diao)点(Dian),(?)闸(Zha)门(Men)将(Jiang)始(Shi)终(Zhong)保(Bao)持(Chi)垂(Chui)直(Zhi)。(?)

2. 启(Qi)闭(Bi)机(Ji)的(De)主(Zhu)要(Yao)参(Can)数(Shu):

额(E)定(Ding)启(Qi)门(Men)力(Li) 3200kN

总(Zong)起(Qi)升(Sheng)高(Gao)度(Du)/坝(Ba)面(Mian)以(Yi)上(Shang) 159/13.85m

起(Qi)升(Sheng)速(Su)度(Du) 2.64m/min

卷(Juan)筒(Tong)底(Di)直(Zhi)径(Jing) 1650mm

钢(Gang)丝(Si)绳(Sheng)直(Zhi)径(Jing) 36mm

缠(Chan)绕(Rao)层(Ceng)数(Shu) 3

3. 启(Qi)闭(Bi)机(Ji)的(De)设(She)计(Ji)

⑴(?)采(Cai)用(Yong)双(Shuang)折(Zhe)线(Xian)绳(Sheng)槽(Cao)卷(Juan)筒(Tong)

折(Zhe)线(Xian)卷(Juan)筒(Tong)结(Jie)构(Gou)形(Xing)式(Shi)分(Fen)双(Shuang)折(Zhe)线(Xian)绳(Sheng)槽(Cao)卷(Juan)筒(Tong)和(He)单(Dan)折(Zhe)线(Xian)绳(Sheng)槽(Cao)卷(Juan)筒(Tong),(?)此(Ci)卷(Juan)扬(Yang)式(Shi)启(Qi)闭(Bi)机(Ji)卷(Juan)筒(Tong)结(Jie)构(Gou)形(Xing)式(Shi)为(Wei)双(Shuang)折(Zhe)线(Xian)绳(Sheng)槽(Cao)卷(Juan)筒(Tong)。(?)绳(Sheng)槽(Cao)卷(Juan)筒(Tong)底(Di)径(Jing)为(Wei)1650mm,(?)两(Liang)斜(Xie)线(Xian)绳(Sheng)槽(Cao)对(Dui)应(Ying)圆(Yuan)周(Zhou)角(Jiao)各(Ge)为(Wei)52°(?),(?)两(Liang)直(Zhi)线(Xian)绳(Sheng)槽(Cao)对(Dui)应(Ying)圆(Yuan)周(Zhou)角(Jiao)各(Ge)为(Wei)128°(?),(?)斜(Xie)线(Xian)绳(Sheng)槽(Cao)段(Duan)和(He)直(Zhi)线(Xian)绳(Sheng)槽(Cao)段(Duan)相(Xiang)间(Jian)对(Dui)称(Cheng)布(Bu)置(Zhi)。(?)实(Shi)验(Yan)证(Zheng)明(Ming),(?)启(Qi)闭(Bi)机(Ji)实(Shi)际(Ji)调(Diao)试(Shi)运(Yun)行(Xing)中(Zhong),(?)钢(Gang)丝(Si)绳(Sheng)从(Cong)直(Zhi)径(Jing)绳(Sheng)槽(Cao)段(Duan)进(Jin)入(Ru)斜(Xie)线(Xian)绳(Sheng)槽(Cao)段(Duan)平(Ping)稳(Wen)顺(Shun)利(Li),(?)斜(Xie)线(Xian)段(Duan)钢(Gang)丝(Si)绳(Sheng)排(Pai)列(Lie)整(Zheng)齐(Qi)有(You)序(Xu)、(?)无(Wu)相(Xiang)互(Hu)挤(Ji)压(Ya)的(De)现(Xian)象(Xiang)。(?)双(Shuang)折(Zhe)线(Xian)绳(Sheng)槽(Cao)使(Shi)钢(Gang)丝(Si)绳(Sheng)在(Zai)各(Ge)层(Ceng)之(Zhi)间(Jian)的(De)负(Fu)荷(He)均(Jun)匀(Yun)分(Fen)布(Bu),(?)卷(Juan)绕(Rao)平(Ping)稳(Wen)光(Guang)滑(Hua),(?)同(Tong)时(Shi)减(Jian)少(Shao)了(Liao)钢(Gang)丝(Si)绳(Sheng)损(Sun)害(Hai)。(?)

⑵(?)采(Cai)用(Yong)阶(Jie)梯(Ti)挡(Dang)环(Huan)

阶(Jie)梯(Ti)挡(Dang)环(Huan)的(De)作(Zuo)用(Yong)是(Shi)使(Shi)钢(Gang)丝(Si)绳(Sheng)从(Cong)下(Xia)层(Ceng)平(Ping)稳(Wen)地(Di)过(Guo)渡(Du)到(Dao)上(Shang)一(Yi)层(Ceng),(?)并(Bing)使(Shi)钢(Gang)丝(Si)绳(Sheng)顺(Shun)利(Li)返(Fan)回(Hui),(?)即(Ji)对(Dui)钢(Gang)丝(Si)绳(Sheng)起(Qi)抬(Tai)升(Sheng)和(He)返(Fan)绳(Sheng)导(Dao)向(Xiang)作(Zuo)用(Yong)。(?)对(Dui)于(Yu)双(Shuang)折(Zhe)线(Xian)绳(Sheng)槽(Cao)卷(Juan)筒(Tong),(?)配(Pei)套(Tao)的(De)阶(Jie)梯(Ti)挡(Dang)环(Huan)由(You)3段(Duan)组(Zu)成(Cheng),(?)第(Di)1段(Duan)与(Yu)卷(Juan)筒(Tong)第(Di)1个(Ge)斜(Xie)绳(Sheng)槽(Cao)段(Duan)对(Dui)应(Ying),(?)沿(Yan)轴(Zhou)向(Xiang)宽(Kuan)度(Du)由(You)一(Yi)个(Ge)绳(Sheng)槽(Cao)宽(Kuan)度(Du)逐(Zhu)渐(Jian)变(Bian)为(Wei)半(Ban)个(Ge)绳(Sheng)槽(Cao)宽(Kuan)度(Du),(?)沿(Yan)径(Jing)向(Xiang)的(De)厚(Hou)度(Du)由(You)0逐(Zhu)渐(Jian)增(Zeng)加(Jia)为(Wei)一(Yi)个(Ge)钢(Gang)丝(Si)绳(Sheng)层(Ceng)高(Gao),(?)其(Qi)作(Zuo)用(Yong)是(Shi)当(Dang)钢(Gang)丝(Si)绳(Sheng)绕(Rao)*此(Ci)时(Shi),(?)挡(Dang)环(Huan)将(Jiang)它(Ta)抬(Tai)高(Gao)*上(Shang)一(Yi)层(Ceng)钢(Gang)丝(Si)绳(Sheng)的(De)高(Gao)度(Du);第(Di)2段(Duan)与(Yu)卷(Juan)筒(Tong)直(Zhi)绳(Sheng)槽(Cao)段(Duan)对(Dui)应(Ying),(?)其(Qi)宽(Kuan)度(Du)为(Wei)半(Ban)个(Ge)绳(Sheng)槽(Cao)宽(Kuan),(?)厚(Hou)度(Du)一(Yi)个(Ge)层(Ceng)高(Gao),(?)是(Shi)一(Yi)个(Ge)等(Deng)厚(Hou)等(Deng)宽(Kuan)的(De)环(Huan)面(Mian),(?)其(Qi)作(Zuo)用(Yong)是(Shi)使(Shi)被(Bei)抬(Tai)高(Gao)后(Hou)的(De)钢(Gang)丝(Si)绳(Sheng)落(Luo)在(Zai)由(You)挡(Dang)环(Huan)段(Duan)和(He)邻(Lin)近(Jin)的(De)下(Xia)一(Yi)层(Ceng)钢(Gang)丝(Si)绳(Sheng)所(Suo)共(Gong)同(Tong)形(Xing)成(Cheng)的(De)沟(Gou)槽(Cao)内(Nei);第(Di)3段(Duan)与(Yu)卷(Juan)筒(Tong)第(Di)2个(Ge)斜(Xie)绳(Sheng)槽(Cao)段(Duan)对(Dui)应(Ying),(?)其(Qi)宽(Kuan)度(Du)由(You)半(Ban)个(Ge)绳(Sheng)槽(Cao)宽(Kuan)逐(Zhu)渐(Jian)变(Bian)为(Wei)0,(?)厚(Hou)度(Du)均(Jun)为(Wei)一(Yi)个(Ge)钢(Gang)丝(Si)绳(Sheng)层(Ceng)高(Gao),(?)其(Qi)作(Zuo)用(Yong)是(Shi)使(Shi)钢(Gang)丝(Si)绳(Sheng)返(Fan)回(Hui),(?)钢(Gang)丝(Si)绳(Sheng)在(Zai)返(Fan)绳(Sheng)挡(Dang)环(Huan)垫(Dian)和(He)钢(Gang)丝(Si)绳(Sheng)水(Shui)平(Ping)拉(La)力(Li)和(He)共(Gong)同(Tong)作(Zuo)用(Yong)下(Xia)与(Yu)下(Xia)层(Ceng)钢(Gang)丝(Si)绳(Sheng)交(Jiao)叉(Cha),(?)并(Bing)跨(Kua)半(Ban)个(Ge)节(Jie)距(Ju)过(Guo)渡(Du)到(Dao)相(Xiang)邻(Lin)的(De)下(Xia)一(Yi)层(Ceng)钢(Gang)丝(Si)绳(Sheng)形(Xing)成(Cheng)的(De)直(Zhi)线(Xian)沟(Gou)槽(Cao)内(Nei),(?)从(Cong)而(?)完(Wan)成(Cheng)钢(Gang)丝(Si)绳(Sheng)层(Ceng)与(Yu)层(Ceng)之(Zhi)间(Jian)的(De)过(Guo)渡(Du)。(?)

⑶(?)采(Cai)用(Yong)两(Liang)套(Tao)双(Shuang)联(Lian)折(Zhe)线(Xian)绳(Sheng)槽(Cao)卷(Juan)筒(Tong)的(De)起(Qi)升(Sheng)机(Ji)构(Gou)

两(Liang)套(Tao)双(Shuang)联(Lian)卷(Juan)筒(Tong)在(Zai)一(Yi)定(Ding)程(Cheng)度(Du)上(Shang)平(Ping)均(Jun)分(Fen)担(Dan)了(Liao)卷(Juan)扬(Yang)机(Ji)的(De)总(Zong)容(Rong)量(Liang),(?)钢(Gang)丝(Si)绳(Sheng)直(Zhi)径(Jing)相(Xiang)对(Dui)较(Jiao)小(Xiao),(?)并(Bing)经(Jing)过(Guo)计(Ji)算(Suan)表(Biao)明(Ming)返(Fan)绳(Sheng)偏(Pian)角(Jiao)在(Zai)卷(Juan)筒(Tong)两(Liang)端(Duan)可(Ke)控(Kong)制(Zhi)在(Zai)1.5°(?)内(Nei),(?)这(Zhe)是(Shi)多(Duo)层(Ceng)缠(Chan)绕(Rao)卷(Juan)扬(Yang)机(Ji)设(She)计(Ji)的(De)关(Guan)键(Jian)点(Dian)。(?)设(She)计(Ji)时(Shi)两(Liang)个(Ge)卷(Juan)筒(Tong)分(Fen)别(Bie)由(You)各(Ge)自(Zi)电(Dian)机(Ji)驱(Qu)动(Dong),(?)优(You)点(Dian)是(Shi)当(Dang)一(Yi)台(Tai)电(Dian)机(Ji)故(Gu)障(Zhang),(?)另(Ling)一(Yi)台(Tai)单(Dan)独(Du)工(Gong)作(Zuo)仍(Reng)能(Neng)启(Qi)闭(Bi)闸(Zha)门(Men)((?)但(Dan)速(Su)度(Du)减(Jian)半(Ban))(?),(?)提(Ti)高(Gao)了(Liao)闸(Zha)门(Men)事(Shi)故(Gu)工(Gong)作(Zuo)的(De)可(Ke)靠(Kao)性(Xing)。(?)但(Dan)两(Liang)套(Tao)起(Qi)升(Sheng)机(Ji)构(Gou)的(De)驱(Qu)动(Dong)电(Dian)机(Ji)转(Zhuan)速(Su)上(Shang)必(Bi)有(You)差(Cha)别(Bie)的(De)问(Wen)题(Ti),(?)解(Jie)决(Jue)的(De)方(Fang)法(Fa)是(Shi)将(Jiang)一(Yi)根(Gen)钢(Gang)丝(Si)绳(Sheng)通(Tong)过(Guo)平(Ping)衡(Heng)滑(Hua)轮(Lun)分(Fen)别(Bie)绕(Rao)在(Zai)两(Liang)个(Ge)卷(Juan)筒(Tong)上(Shang)((?)这(Zhe)两(Liang)个(Ge)卷(Juan)筒(Tong)分(Fen)别(Bie)由(You)各(Ge)自(Zi)电(Dian)机(Ji)驱(Qu)动(Dong))(?)。(?)当(Dang)电(Dian)机(Ji)转(Zhuan)速(Su)不(Bu)同(Tong)时(Shi),(?)钢(Gang)丝(Si)绳(Sheng)通(Tong)过(Guo)平(Ping)衡(Heng)滑(Hua)轮(Lun)自(Zi)动(Dong)调(Diao)整(Zheng)两(Liang)侧(Ce)的(De)长(Chang)度(Du)((?)平(Ping)衡(Heng)滑(Hua)轮(Lun)两(Liang)侧(Ce)的(De)钢(Gang)丝(Si)绳(Sheng)分(Fen)别(Bie)缠(Chan)绕(Rao)到(Dao)不(Bu)同(Tong)电(Dian)机(Ji)驱(Qu)动(Dong)的(De)卷(Juan)筒(Tong)上(Shang))(?),(?)当(Dang)一(Yi)套(Tao)起(Qi)升(Sheng)机(Ji)构(Gou)同(Tong)轴(Zhou)线(Xian)上(Shang)的(De)两(Liang)卷(Juan)筒(Tong)直(Zhi)径(Jing)相(Xiang)同(Tong)时(Shi),(?)两(Liang)套(Tao)起(Qi)升(Sheng)机(Ji)构(Gou)的(De)吊(Diao)点(Dian)将(Jiang)在(Zai)高(Gao)度(Du)上(Shang)始(Shi)终(Zhong)保(Bao)持(Chi)一(Yi)致(Zhi),(?)从(Cong)设(She)计(Ji)上(Shang)解(Jie)决(Jue)了(Liao)电(Dian)动(Dong)机(Ji)转(Zhuan)速(Su)差(Cha)对(Dui)吊(Diao)点(Dian)高(Gao)度(Du)的(De)影(Ying)响(Xiang)。(?)

⑷(?)钢(Gang)丝(Si)绳(Sheng)偏(Pian)角(Jiao)的(De)控(Kong)制(Zhi)

在(Zai)多(Duo)层(Ceng)缠(Chan)绕(Rao)的(De)卷(Juan)扬(Yang)式(Shi)启(Qi)闭(Bi)机(Ji)设(She)计(Ji)中(Zhong),(?)钢(Gang)丝(Si)绳(Sheng)相(Xiang)对(Dui)卷(Juan)筒(Tong)轴(Zhou)线(Xian)横(Heng)截(Jie)面(Mian)的(De)角(Jiao)度(Du)称(Cheng)为(Wei)“(?)钢(Gang)丝(Si)绳(Sheng)偏(Pian)角(Jiao)”(?)。(?)它(Ta)在(Zai)钢(Gang)丝(Si)绳(Sheng)绕(Rao)入(Ru)卷(Juan)筒(Tong)的(De)过(Guo)程(Cheng)中(Zhong)是(Shi)变(Bian)化(Hua)的(De),(?)在(Zai)卷(Juan)筒(Tong)两(Liang)端(Duan),(?)钢(Gang)丝(Si)绳(Sheng)的(De)缠(Chan)绕(Rao)从(Cong)低(Di)层(Ceng)向(Xiang)高(Gao)层(Ceng)过(Guo)渡(Du)时(Shi)的(De)偏(Pian)角(Jiao),(?)称(Cheng)为(Wei)“(?)返(Fan)绳(Sheng)偏(Pian)角(Jiao)”(?),(?)是(Shi)多(Duo)层(Ceng)缠(Chan)绕(Rao)设(She)计(Ji)中(Zhong)主(Zhu)要(Yao)控(Kong)制(Zhi)参(Can)数(Shu),(?)钢(Gang)丝(Si)绳(Sheng)返(Fan)绳(Sheng)偏(Pian)角(Jiao)控(Kong)制(Zhi)的(De)目(Mu)的(De)是(Shi)希(Xi)望(Wang)钢(Gang)丝(Si)绳(Sheng)在(Zai)返(Fan)回(Hui)时(Shi)按(An)设(She)计(Ji)整(Zheng)齐(Qi)排(Pai)列(Lie),(?)每(Mei)转(Zhuan)一(Yi)圈(Quan),(?)钢(Gang)丝(Si)绳(Sheng)沿(Yan)卷(Juan)筒(Tong)轴(Zhou)线(Xian)方(Fang)向(Xiang)前(Qian)进(Jin)一(Yi)个(Ge)节(Jie)距(Ju),(?)绳(Sheng)间(Jian)不(Bu)挤(Ji)压(Ya)、(?)不(Bu)跳(Tiao)槽(Cao),(?)钢(Gang)丝(Si)绳(Sheng)在(Zai)卷(Juan)筒(Tong)上(Shang)整(Zheng)齐(Qi)排(Pai)列(Lie)。(?)本(Ben)设(She)计(Ji)通(Tong)过(Guo)合(He)理(Li)的(De)布(Bu)置(Zhi)将(Jiang)钢(Gang)丝(Si)绳(Sheng)在(Zai)卷(Juan)筒(Tong)两(Liang)端(Duan)返(Fan)绳(Sheng)偏(Pian)角(Jiao)控(Kong)制(Zhi)在(Zai)1.5°(?)以(Yi)内(Nei),(?)满(Man)足(Zu)了(Liao)折(Zhe)线(Xian)绳(Sheng)槽(Cao)对(Dui)绳(Sheng)索(Suo)偏(Pian)角(Jiao)的(De)要(Yao)求(Qiu)。(?)



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