安全卡瓦说明书.docVIP

安全卡瓦使用说明书 Instruction Of The Safety Clamps 江 苏 如 石 机 械 有 限 公 司 JIANGSU RUSHI MACHINERY CO.,LTD （原如东石油机械厂） 地址：江苏省如东县栟茶镇卫海北路60号 Add: 60 Weihai Road N. ,Bencha,Rudong,Jiangsu,China 电话（Tel）座机电话号码、座机电话号码 传真（Fax）：座机电话号码 一、General: 安全卡瓦适用于石油、天然气钻井作业中上扣或卸扣时，防止钻具下滑的工具，可通过调整牙板套环节数改变卡持管径范围。 The safety clamps are designed for coupling and uncoupling in oil natural gas drilling operation. It can prevent the drill tools from slipping down. When changing the working range, it is only necessary to adjust the No. Of chain links. 二、Main technical parameters: 型 号 Type 扣合管径 Pipe O.D（in） No. of Chain Links WA-T 11/8-2 4 21/8-31/4 5 31/2-41/2 6 WA-C 31/2-45/8 7 41/2-55/8 8 51/2-6.5/8 9 61/2-75/8 10 71/2-85/8 11 81/2-95/8 12 91/2-105/8 13 101/2-115/8 14 111/2-125/8 15 121/2-135/8 16 131/2-145/8 17 141/2-155/8 18 MP-S 27/8-41/8 7 4-5 8 MP-R 41/2-55/8 7 51/2-7 8 63/4-81/4 9 8-91/4 10 91/4-101/2 11 MP-M 101/2-111/2 12 111/2-121/2 13 121/2-135/8 14 135/8-143/4 15 143/4-157/8 16 MP-L 157/8-17 17 17-181/2 18 181/8-193/8 19 MP-XL 193/8-203/8 19 203/8-211/2 20 21-225/8 21 225/8-233/4 22 233/4-247/8 23 247/8-26 24 26-271/8 25 293/8-301/2 28 35-361/8 33 三、Usage caution and maintenance: 1. 使用前，必须根据不同规格的管柱或钻具，选择装配相应的环节数。 Select the suitable No. of chain links according to various type of pipes or drill tools before the operation. 2. 使用前，应检查各连接销、开口销是否完好。 Whether the connecting pins and the split cotters are good or not should be checked before the operation. 3. 经常清洗、润滑，以保持卡瓦的表面清洁，预防锈蚀。 The surface of the safety clamps should be always kept clean and lubricated against rusty. 4. 经常检查牙板的磨损情况，一旦发现磨损严重，即须全部更换，切忌将新、旧牙板混装、混用。 Often check the wear condition of the inserts. The inserts should be replaced entirely in time once found it is worn out, be careful do not use old inserts with the new one at the same time. 5. 长期不用时，应将安全卡瓦清洗干净，并涂防锈油脂，放置干燥通风处。 When the safety clamps are not in use for a longer time, they should be cleaned and