The multifinger caliper tool string to be used for casing inspection was centralized using the combination of a strong, optimally placed, spring loaded roller and stiff arm centralizers.
用于检查套管尺寸的多触点井径测量工具管串，采用结实的、安放位置经过优化的、弹簧加载的滚子及刚性臂扶正器进行居中。
The utility model relates to a support arm for processing the inner ring of a cylindrical roller bearing, which belongs to the technical field of the bearing technological equipment.
本实用新型属于轴承工艺装备技术领域，涉及一种用于圆柱滚子轴承内圈加工的支撑臂。
A first swing roller is arranged on a first swing arm; the first swing arm is arranged at the front upper part of a stand through a bearing with a seat;
其第一摆动辊装在第一摆动臂上，第一摆动臂通过带座轴承安装在机座的前上部分；
The tail has a double-arm co-axial gravity tensioning device, which can adjust the tail roller synchronously.
尾部采用齿轮条重力张紧装置；同步调节尾部滚筒行程。
The invention discloses a mechanical eccentering arm with eight arms including a motor, a clutch, a roller threaded spindle, drive parts and an eccentering arm;
本发明公开了一种八臂机械推靠器，包括：电动机、离合器、滚柱丝杠、传动部件、推靠臂；
An upper fender apron, a fixing and connecting arm, a rear baffle and a roller device are also installed on the rack.
机架上还装有上挡泥板、固定连接臂、后挡板和滚轮装置。
A combined hydraulic apparatus for bending pipes consists of more than 20 general components, such as hydraulic bending unit, rocker arm, cramp, position fixture, roller and pedestal, etc.
组合式液压弯管夹具由液压弯管器、摇臂、压紧器、定位器、滚轮和支座等二十多种通用部件组成。
A combined hydraulic apparatus for bending pipes consists of more than 20 general components, such as hydraulic bending unit, rocker arm, cramp, position fixture, roller and pedestal, etc.
组合式液压弯管夹具由液压弯管器、摇臂、压紧器、定位器、滚轮和支座等二十多种通用部件组成。
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