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雙鳥HSZ-A619型手拉葫蘆外殼采用三角形設(shè)計，保存了產(chǎn)品外形美觀、結(jié)構(gòu)緊湊的特點(diǎn)。主要部件和產(chǎn)品性能均進(jìn)過嚴(yán)格的檢查，使用起來安全可靠。雙鳥HSZ-A619型手拉葫蘆在產(chǎn)品結(jié)構(gòu)和產(chǎn)品材質(zhì)上具有以下特點(diǎn)：
1、上下吊鉤選用優(yōu)質(zhì)合金鋼采用鍛打式技術(shù)進(jìn)行處理，保證了緩慢起升的安全，能夠防止在起升過程中由于超載而引發(fā)的突然性斷裂現(xiàn)象。
2、手拉葫蘆外殼選用優(yōu)質(zhì)合金結(jié)構(gòu)的鋼板進(jìn)行制作，保留了產(chǎn)品安全、耐用的特性；
3、手拉葫蘆軸承選用整體軸承，保證了使用過程中運(yùn)轉(zhuǎn)平穩(wěn)、維修保養(yǎng)簡單的優(yōu)點(diǎn)；
4、制動器選用雙棘爪制動器保證了制動的安全可靠；
5、導(dǎo)鏈板選用雙導(dǎo)輪結(jié)構(gòu)的沖壓件導(dǎo)鏈板，在拉動鏈條時更為流暢，整機(jī)運(yùn)行更輕松；
6、單向離合器的獨(dú)特超載裝置，即使是超載運(yùn)行，短時間內(nèi)也不會造成事故的發(fā)生；
7、起重鏈條選用800Mpa級高強(qiáng)度鏈條，有效保證了起重過程中的安全。
雙鳥HSZ-A619型手拉葫蘆應(yīng)用十分廣泛，目前已經(jīng)在核電、火電、輸變電等重要行業(yè)中采用，雙鳥將以其獨(dú)特的優(yōu)點(diǎn)證明自己的實用性。

Double bird HSZ-A619 type hand chain hoist shell using triangular design, save the product appearance, compact structure. The main components and product performance are in strict inspection, safe and reliable use. Double bird HSZ-A619 type hand hoist has the following characteristics in the product structure and product material:
1, hook the next selection of high quality alloy steel by forging technology for processing, to ensure the safety of lifting slowly, can prevent the lifting process due to overloading caused the sudden rupture phenomenon;
2, the hand pull gourd shell selection quality alloy structural steel plate production, preserving the product safety, durable characteristics.
3, hand chain hoist bearing selection of the overall bearing, to ensure the smooth operation of the use of the process, maintenance simple;
4, the selection of double pawl brake brake braking safety;
5, the chain guide plate with double guide structure punching chain guide plate, more smoothly in the pull chain, the machine runs more easily;
6, one-way clutch of the unique overload device, even if it is overloaded operation, in a short period of time will not cause the occurrence of accidents;
7, from the chain selection of 800Mpa grade high strength chain, effectively guarantee the safety of the process.
Two birds HSZ-A619 type hand chain hoist application is very extensive, at present already in nuclear power, thermal power, power transmission and other important industries in the, two birds will, with its unique advantages proved their usefulness.

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