Fixture device for preventing bolt or nut from falling off

• Main Authors: HAN XI, NI PEIMIN, YIN KEYAN, CHEN LEI, LI LE, LI LAIBING, WU BIN, PEI CHENFEI, XIE MINGJUN, HE JIANFENG, ZHOU YONGQIANG
• Format: Patent
• Language: Chinese; English
• Published: 12.04.2024
• Subjects: BLASTING; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MACHINES FOR MAKING RAILWAYS OF ALL KINDS; MECHANICAL ENGINEERING; PERMANENT WAY; PERMANENT-WAY TOOLS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to a fixture device for preventing bolts or nuts from falling off, which is characterized by comprising two adjacent bolts (3) and a mounting base plate (1), the two adjacent bolts (3) are fixed on a turnout, the mounting base plate (1) is provided with through holes of the bolts (3) or the nuts, two sides of the bolts (3) or the nuts are provided with anti-falling buckles (2), and the anti-falling buckles (2) are fixed on the mounting base plate (1). And after the anti-dropping buckles (2) arranged on the two sides are bent, a bolt head or a nut is buckled and stopped from dropping. The clamp device for preventing the bolt or the nut from falling off can adapt to railway turnouts, does not affect normal switching of the turnouts, and is simple in structure, convenient to install, safe and reliable. 本实用新型涉及一种防止螺栓或螺母脱落的卡具装置，其特征是：包括：相邻的两根螺栓（3）和安装基板（1），相邻的两根螺栓（3）固定在道岔上，所述的安装基板（1）上有螺栓（3）或螺母的过孔，螺栓（3）或螺母的两侧设置防脱扣（2），通过两侧设置的防脱扣（2）折弯后对螺栓头或螺母进行扣压止脱。这种防止螺栓或螺母脱落的卡具装置能适应铁路道岔，不影响道岔正常转换，且结构简单，安装方便，