抽油杆大钩使用说明书
Instruction for Suck Rod Hook
（2012版·VERSION OF 2012）
·本公司已通过API 产品质量认证
OUR CORPORATION HAS PASSED ATTESTAION OFAPI Spec 8A/8C
授权号ACCREDIT NO.：API Spec 8A – 0056，8C-0068
·本公司已通过ISO9001-2008 质量体系认证
OUR CORPORATION HAS PASSED ATTESTAION OF ISO9001-2008 QUALITY
SYSTEM
证书号 CERTIFICATE NO.：01410Q10448R4M
·本公司生产的吊钳、卡瓦、吊卡、吊环已获全国工业产品生产
许可证办公室颁发的生产许可证
WE HAVE THE LICENCE ISSUED BY THE OFFICE OF THE
NATIONAL INDUSTRY PRODUCT PERMITTED PRODUCTION
FOR THE MANUAL TONGS, ROTARY SLIPS, ELEVATORS AND
LINKS.
江苏如通石油机械股份有限公司
Jiangsu Rutong Petro-Machinery Co., Ltd.
地址：江苏省如东经济开发区新区淮河路 33 号
Add：No. 33 Huaihe Road, New Economic Development Zone, Rudong County,
Jiangsu, China.
电话：0513-84510292/84129120
Tel：+86 0513 84510292/84129120
传真：0513-84523102
邮编：226400
Fax：+86 0513-84523102
P.C.：226400
Http://www.rutong.com
E-mail: rdty@rutong.com
一、简介 General
抽油杆大钩由大钩体、提环和安全锁紧装置组成。工作时，无须人工
打开锁臂，抽油杆吊卡提环就能卡入大钩内，当吊卡提环就位后，在弹簧
的作用下，锁臂复位（防止抽油杆吊卡提环脱钩）
，从而确保抽油杆大钩提
升安全；另外 RH-25 大钩在弹簧外加用衬套，以防异物堵塞造成安全锁紧
装置失灵。产品按 API Spec 8C 设计制造。
Suck rod hook is composed of hook, bail and locking assembly. The bail of
suck rod is able to get into the hook without opening the locking arm. After the
bail is on right place, locking arm reset (preventing the bail of suck rod get out
of hook) under the function of spring which ensures the lifting safety of suck rod
hook. In addition, the type RH-25 hook put a bush on the spring in case the
something gets into the locking assembly and get the locking assembly lost the
function. They are designed and manufactured according to API Spec 8C－
specification for drilling and production Hoisting Equipment.
二、主要技术参数 Technical parameter
型号 Type
RH-25
FH-25
R-35
最大额定载荷
Max Related Load
25tons
（225kN）
25tons
（225kN）
35tons
（315kN）
大钩开口宽度
Hook Open
Dimension
1.7/8 in
（47.6mm）
1.7/8in
（47.6mm）
1.7/8in
（47.6mm）
三、注意事项 Caution
1、抽油杆大钩严禁超过最大额定载荷使用，最低使用温度≥-20℃；
Don’t allow the suck rod hook to be used beyond the Max related load and
shall be used below -20℃.
2、严禁使用安全锁紧装置失灵的抽油杆大钩；
Don’t allow the using of suck rod hook with the function of locking
assembly.
3、提环油杯孔内应定期注入润滑脂；
Regularly add the grease into the grease hole of bail.
4、大钩体、提环是合金钢铸件，不应随意焊接；
Hook body and bail is alloy cast steel, don’t allow to be welded.
5、抽油杆大钩的维护应符合 API RP 8B 的规定。
The maintain of suck rod hook should be conformed to API RP 8B.
四、运输和贮存 Transportation and packing
1、抽油杆大钩在运输过程中，应避免碰撞、雨淋；
Be avoiding the bump and rain during the transportation of suck rod hook.
2、抽油杆大钩应存放在干燥通风处，严禁接触酸、碱、盐类腐蚀性物质。
The suck rod hook should be placed into the dry and ventilating site, don’t
allow getting a contact with acid, alkali and saline material.