The microstructure, surface fracture morphology, hardness and tensile strength of the failed 45 steel connecting bolt were analyzed and tested.
对45钢连接螺栓断裂件的显微组织、断口形貌、硬度和抗拉强度进行了观察分析和测试。
2 bolt force in poor condition, and the basic chassis connecting bolt section with larger diameter and base section of standard section and connecting bolt diameter smaller.
螺栓受力状况不良，底架与基础节连接的螺栓直径较大，而基础节与标准节连接的螺栓直径较小。
The existence of reticulation and mass shape ferrite, decarbonization at the screw thread surface layer which induced decline of fatigue strength of connecting bolt were also…
此外，显微组织中网状、块状铁素体的存在以及螺纹表层脱碳使连接螺栓疲劳强度下降也是造成断裂的重要原因。
Through the failure analysis of connecting bolt of down rod, it points out that it is not correct to put the thinner nut outer side if the double nut anti-loose method is adopted.
通过对游梁式抽油机对接式连杆下接头连接螺栓的失效分析，指出了采用双螺母防松时，将薄型螺母放置在外侧是不恰当的。
Connecting bolts are arranged in the plugging conical points, and an anti-rotation key and an outer six-square sleeve which can realize the linkage are arranged on the screw bolt.
封堵内置有连接螺栓，螺栓上设有防转键及实现连动的外六方套。
This paper introduced a four-body contact model of steel crown-the nodular cast-iron skirt-piston pin-connecting bolt for the steel-crown aluminum-skirt composite piston of locomotive diesel engines.
本文以机车柴油机钢顶铝裙组合活塞为对象，建立组合活塞钢顶铝裙连接螺栓-活塞销的四体接触计算模型。
Bolt: Mechanical fastener, usually used with a nut, for connecting two or more parts.
螺栓：通常与螺母一起用于连接两个或更多零件的机械紧固件。
The fracture characteristics of bolt connecting the pedestal with slipway in a two-way moving slide valve was analyzed.
对双动滑阀装置上连接基座与滑道的螺栓在使用过程中发生的断裂进行了分析。
Flanges may be made by sections; joints shall be beveled and field welded; bolt holes of two connecting flanges must be drilled together.
法兰允许按箱体分段制作固焊；接头处打坡口，工地拼接；法兰板连接孔须两两配钻制孔。
When connecting flange, add sealing mat and lock connected bolt.
法兰连接时加密封垫后均匀锁紧联接螺栓。
An FEA (Finite Element Analysis) model for two boards connecting with bolt is built and based on the model the deformation of it is calculated and analyzed by FEA software.
本文利用有限元软件建立了两块螺钉连接的板结构有限元模型。
A metal framework is embedded in the composite wear-resistant plate, and the metal framework is provided with a connecting hole or a connection bolt.
在复合耐磨板内预埋金属骨架，金属骨架上设有连接孔或者连接螺栓。
The utility model discloses a connecting mechanism, comprising a bolt (1) and a nut (2).
本实用新型公开了一种连接结构，包括螺栓(1)和螺母(2)。
The key position bolt of the engine include connecting rod, crankshaft, main bearing, cylinder head, flywheel and shock absorber bolt, all of which belong to bolt fastening.
发动机关键工位螺栓包括连杆螺栓、曲轴螺栓、主轴承盖螺栓、气缸盖螺栓、飞轮螺栓和减振器螺栓等均属螺纹联接。
The axial preloads are difficult to measure and check when the steel structure high strength bolt connecting is implemented by rotation method.
针对余热锅炉钢结构高强度螺栓在转角法工艺条件下连接，轴向预紧力难以测量和检验，提出了高强度螺栓连接安装质量监督检验的有效方法。
The technology for boring-reaming the bolt hole of pin connecting original main shaft with new runner of turbine in site of Danjiangkou hydropower plant and its effect are described.
介绍了丹江口电厂在机组改造增容中新转轮与原大轴连接销钉螺栓孔工地同镗铰所采用的方法及达到的效果。
It shows from in situ experiment and theoretical analysis that the bolt connecting chain is an effective, economical and practical supporting unit.
经现场试验和理论分析表明，锚杆联系链的支护效果很好，是一种经济、实用的新型支护材料。
There is standard bolt hole connecting with the valve or bracket. The output axis in the middle is a standard internal octagon.
壳体上有标准的螺孔与阀门或支架相连。中间输出轴为一个标准的内八角。
When installation, note flow direction of media of valve body. When connecting two flanges, add sealing mat. Then lock the bolt evenly.
安装时请注意阀体上标注介质流向，两法兰连接时必需加密封垫片，然后均匀锁紧螺栓。
A new type of nondestructive testing (NDT) probe coil has been designed for examining the connecting rod bolt of automobile engine.
本文主要阐述了汽车发动机连杆螺栓无损检测探头的结构、检测转换原理以及设计时主要参数的确定。
The structure column comprises steel tubes, a studding piece, a connecting plate, a bolt and concrete.
该结构柱包括钢管、缀件、连接板、螺栓、混凝土。
The bolt connecting pair is processed in factories, so the industrialization degree is high and the quality is more guaranteed.
由于螺栓连接副在工厂加工，故工业化程度高，质量更有保证。
The fixed connecting piece consists of a bolt and a screw cap.
固定连接件由螺栓和螺帽组成。
Install connecting rod bolt protectors on rod bolts.
在连杆螺栓上安装连杆螺栓保护件。
The pressure device is fixed at the tail end of a carriage bottom and the lock bolt is connected with the connecting rod of the pressure device;
压力装置固定 于车厢底部末端处，锁舌连接在压力装置的连杆上。
The connecting pipe elements are engaged with a spigot by an induction bell pipe, a lower connecting pipe, a connecting pipe, an outlet and a pedestal, all of which are fixed consecutively by a bolt.
联接管部件由进口喇叭管、下联接管、联接管、出口管和底座采 用止口配合，通过螺栓依次固定成一起；
The connecting pipe elements are engaged with a spigot by an induction bell pipe, a lower connecting pipe, a connecting pipe, an outlet and a pedestal, all of which are fixed consecutively by a bolt.
联接管部件由进口喇叭管、下联接管、联接管、出口管和底座采 用止口配合，通过螺栓依次固定成一起；
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