品名：電動葫蘆吊鉤
技術要求
1、購置吊鉤應有制造廠的合格證等技術文件方可使用；重要部門采購吊鉤如：鐵路、港口等，吊鉤出廠需嚴格檢驗（探傷）。
2、吊鉤不得有影響安全使用性能的缺陷；吊鉤缺陷不得焊補；吊鉤表面應光滑，不得有裂紋、折迭、銳角、毛刺、剝裂、過燒等缺陷。
3、可在吊鉤開口最短距離處選定二個適當位置打印不易磨損的標志，測出標志的距離，作為使用中檢測開口度是否發生變化的依據。
4、吊鉤材料可選用20優質碳素鋼或吊鉤專用材料DG20Mn、DG34CrMo等鍛造制成，嚴禁使用鑄造吊鉤。板鉤的材料一般應用A3、C3普通碳素鋼，或16Mn低合金鋼
5、自制吊鉤的技術條件應符合GB 10051.1-88～GB 10051.5-88的規定（新標準：GB10051.1-2010～GB 10051.5-2010）
6、板鉤鉤片的縱軸，必須位于鋼板的軋制方向，且鉤片不允許拼接。
7、板鉤鉤片應用沉頭鉚釘鉚接，而在板鉤與起吊物吊點接觸的高應力彎曲部位不得用鉚釘連接。
8、板鉤疊片間不允許全封閉焊接，只允許有間斷焊。
9、對已進行過超負荷試驗的吊鉤應作報廢處理。
Item description: electric hoist hook
The technical requirements
1, the purchase of technical documents such as hook should have the factory certificate for use; Important sector procurement hook such as railways, ports, hook need to strict inspection (testing).
2, hook may have affect the safe use of performance defects; Hook defects shall not be welding repair; Hook surface should be smooth, can not have crack, folding, acute Angle, defects such as burrs, pares crack, burnt.
3, can be selected in hook open shortest distance place two place a sign of print is not easy to wear, measure the distance of symbol, as is used in testing whether the basis of a change.
4, hook material can choose 20 high-quality carbon steel or hook is special material DG20Mn, DG34CrMo such as forging, casting hook is strictly prohibited. Board hook materials commonly used A3, C3 ordinary carbon steel, 16 mn or low alloy steel
5, homemade hook technology conditions should comply with the GB - 88 ~ 10051.1 GB 10051.1 88 regulations (new standard: GB10051.1-2010 - GB 10051.5 2010)
6, the longitudinal axis of the board hook hook, must be in the direction of steel rolling, and hook does not allow joining together.
7, plate hook hook application countersunk rivet riveting, and in the hook of the lifting and hanging point contact high stress bending part of the rivet connection shall not be used.
8, do not allow the closed welding between laminated plate hook, only the discontinuous welding is allowed.
9, hook has been overloaded test should be done to scrap processing.
