摘要：【中文】本发明公开了一种液压支架的限位机构，液压支架包括通过销轴铰接的前顶梁和后顶梁，前顶梁与后顶梁之间还连接有副销轴，前顶梁或后顶梁上与副销轴配合的铰孔为过孔，过孔的内壁与副销轴之间留有间隙，预留的尺寸即为前顶梁与后顶梁之间的最大限位空间。用于液压支架为滑移式巷道超前支护装置，改变限位机构，有效的解决了顶梁低头角度过大，移架过程磨损顶梁铰接处的顶板的问题。 【EN】The invention discloses a limiting mechanism of a hydraulic support, wherein the hydraulic support comprises a front top beam and a rear top beam which are hinged through a pin shaft, an auxiliary pin shaft is further connected between the front top beam and the rear top beam, a hinge hole matched with the auxiliary pin shaft on the front top beam or the rear top beam is a through hole, a gap is reserved between the inner wall of the through hole and the auxiliary pin shaft, and the reserved size is the maximum limiting space between the front top beam and the rear top beam. The hydraulic support is a sliding roadway advanced support device, the limiting mechanism is changed, and the problems that the top beam head lowering angle is too large and the top plate at the hinged position of the top beam is abraded in the support moving process are effectively solved.

摘要：【中文】本发明公开了一种滑移支架立柱与顺槽底板的自适应装置，包括立柱、刚性套管、托梁，刚性套管为两端通透结构，立柱的柱头为球头结构，托梁内设有与柱头对应的柱窝；柱头与柱窝接触安装，并装上刚性套管后，托梁、立柱与刚性套管之间设有对应的第一铰接孔，第一销轴将三者连接；刚性套管与立柱之间设有对应的第二铰接孔，第二销轴将二者连接。第一销轴的轴线方向与滑移支架的前进方向垂直。立柱在支架前进方向有自由度，通过托梁箱体与刚性套管的机械限位，立柱可沿着支架前进方向小幅度摆动，通过摆动角度让立柱底盘适应顺槽底板的地形条件。在滑移支架支护时，立柱可保持直立状态，解决第一销轴断裂的问题和支架使用时可能倾倒的安全隐患。 【EN】The invention discloses a self-adaptive device of a sliding support upright post and a crossheading bottom plate, which comprises an upright post, a rigid sleeve and a joist, wherein the rigid sleeve is of a structure with two through ends, a post head of the upright post is of a ball head structure, and a post socket corresponding to the post head is arranged in the joist; the column cap is installed in contact with the column socket, after the rigid sleeve is installed, corresponding first hinge holes are formed among the joist, the upright column and the rigid sleeve, and a first pin shaft connects the joist, the upright column and the rigid sleeve; and a corresponding second hinge hole is formed between the rigid sleeve and the upright column, and the rigid sleeve and the upright column are connected through a second pin shaft. The axis direction of the first pin shaft is perpendicular to the advancing direction of the sliding support. The stand column has freedom degree in the advancing direction of the support, the stand column can swing in a small range along the advancing direction of the support through mechanical limit of the joist box body and the rigid sleeve, and the stand column chassis can adapt to the topographic condition of the crossheading bottom plate through the swing angle. When the support that slides strutted, the stand can keep upright state, the cracked problem of first round pin axle and the potential safety hazard that probably emptys when the support uses are solved.

摘要：【中文】本发明公开了一种个性化巷道支护设备折叠防护网装置，包括2件一级挂网，2件一级挂网之间设有1件二级挂网；折叠状态下，2件一级挂网之间用销轴和D型销连接，并用螺栓螺母锁紧固定，二级挂网重叠于2件一级挂网之间的对接处；打开状态下，2件一级挂网之间分开，二级挂网拼装于所述2件一级挂网之间的开口处，其两侧分别与2件一级挂网用销轴和D型销连接。折叠防护网的耳板通过圆环链及卸扣悬挂于滑移支架的前后顶梁之间。应用于综采工作面顺槽和回风巷道超前支架。具有强度高、移动速度快、支护性能好、安全可靠等特性。 【EN】The invention discloses a folding protective net device of personalized roadway support equipment, which comprises 2 primary hanging nets, wherein 1 secondary hanging net is arranged between the 2 primary hanging nets; in a folded state, 2 primary hanging nets are connected through pin shafts and D-shaped pins and are locked and fixed through bolts and nuts, and the secondary hanging net is overlapped at the butt joint part of the 2 primary hanging nets; under the open state, 2 first-level hanging nets are separated, the second-level hanging net is assembled at an opening between the 2 first-level hanging nets, and two sides of the second-level hanging net are respectively connected with the 2 first-level hanging nets through pin shafts and D-shaped pins. The ear plate of the folding protective net is suspended between the front top beam and the rear top beam of the sliding support through the round-link chain and the shackle. The method is applied to the forepoling of the crossheading and the return air roadway of the fully mechanized coal mining face. The support has the characteristics of high strength, high moving speed, good support performance, safety, reliability and the like.