雙鳥HSZ-A619型手拉葫蘆外殼采用三角形設計，保存了產品外形美觀、結構緊湊的特點。主要部件和產品性能均進過嚴格的檢查，使用起來安全可靠。雙鳥HSZ-A619型手拉葫蘆在產品結構和產品材質上具有以下特點：
1、上下吊鉤選用優質合金鋼采用鍛打式技術進行處理，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的突然性斷裂現象。
2、手拉葫蘆外殼選用優質合金結構的鋼板進行制作，保留了產品安全、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轉平穩、維修保養簡單的優點；
4、制動器選用雙棘爪制動器保證了制動的安全可靠；
5、導鏈板選用雙導輪結構的沖壓件導鏈板，在拉動鏈條時更為流暢，整機運行更輕松；
6、單向離合器的獨特超載裝置，即使是超載運行，短時間內也不會造成事故的發生；
7、起重鏈條選用800Mpa級高強度鏈條，有效保證了起重過程中的安全。
雙鳥HSZ-A619型手拉葫蘆應用十分廣泛，目前已經在核電、火電、輸變電等重要行業中采用，雙鳥將以其獨特的優點證明自己的實用性。

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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