Most of the conveying mechanisms below the ground of the coal mine are arranged in the condition that the conveying belt lines in the roadway are staggered, which will lead to the abnormality of material transportation conflict. Therefore, improving the composition of the belt conveyor and increasing and lengthening its specification can ensure the effect of cross track effective work on the premise of normal locomotive transportation. The specific scheme is as follows:

在主运巷内并行铺设工作轨道和皮带机线体，并在现有轨道侧构建另一条远距离皮带机，该机需跨轨道与主运巷机体搭接，所以需在该机机端安装加长卸载斗，设计初衷结构简单、拆装方便、稳定性强，使之卸载装置可顺利跨越下部轨道，保证每条线体运送时互不干涉；

The working track and belt conveyor line are laid in parallel in the main transport lane, and another long-distance belt conveyor is built on the side of the existing track. The machine needs to cross the track and overlap with the main transport lane body, so it is necessary to install an extended unloading bucket at the machine end of the machine. The original design intention is simple structure, convenient disassembly and strong stability, so that the unloading device can smoothly cross the lower track, Ensure that each line body does not interfere with each other during transportation;

经实测验证，所用皮带机卸载装置理论高度，可据机车外形尺寸将卸载机的下沿距轨道的高度加以提升，为其他的轨道运送腾出空间，为保证卸载长度，皮带机加长段需确保充足的横向尺寸供机车通行，当把加长段调整为理论数值后，整个加长卸载装置就可与运巷输送机顺利接轨，为便于运输和安装可将加长段设成两段，每段间由刚性板和螺栓联接，同时为保证稳定性，在加长段间增设拉梁即可，采用槽钢为框架，焊接上皮带机机身纵梁管后，所安装的缓冲托辊组及其支架就可以承受煤矿物料的冲击；

According to the actual measurement and verification, the theoretical height of the unloading device of the belt conveyor can be raised from the lower edge of the unloader to the track according to the overall dimensions of the locomotive, so as to make room for other track transportation. In order to ensure the unloading length, the extension section of the belt conveyor needs to ensure sufficient transverse dimensions for the passage of the locomotive. When the extension section is adjusted to the theoretical value, The whole extended unloading device can be smoothly connected with the roadway conveyor. In order to facilitate transportation and installation, the extended section can be set into two sections. Each section is connected by rigid plates and bolts. At the same time, in order to ensure stability, pull beams can be added between the extended sections. Channel steel is used as the frame, and the longitudinal beam pipe of the upper belt conveyor body is welded, The installed buffer idler group and its support can withstand the impact of coal mine materials;

另外在卸载料端采用皮带输送机的标准卸载机构，既可简化加工量，又可与带式输送机的标准件通用，利用皮带机机头顶所用的连接孔，该孔设有由对称的两片垫架所组成的加高架，能够满足机车通过的要求，垫架上下部通过螺栓与机头连接，上部与加长段连接，以使得加长卸载装置与皮带机机头组合为整体，考虑到橡胶传送带通过时坡度大，无法平缓运卸煤，且皮带与加高卸载装置间不能干涉，为保证稳定及可靠性，我们可通过布置线性加高的托辊支架，固定在皮带机机头及其折返架上，可起到橡胶皮带平缓运送的效果；

In addition, the standard unloading mechanism of the belt conveyor is adopted at the unloading end, which can not only simplify the processing volume, but also be common with the standard parts of the belt conveyor. The connecting hole used at the top of the belt conveyor is used. The hole is provided with a raised frame composed of two symmetrical cushion frames, which can meet the requirements of the passing of the machine and vehicle. The upper and lower parts of the cushion frame are connected with the head through bolts, and the upper part is connected with the extension section, In order to combine the extended unloading device with the belt conveyor head as a whole, considering the large slope when the rubber conveyor belt passes through, it is impossible to transport and unload coal smoothly, and there is no interference between the belt and the heightening unloading device, in order to ensure stability and reliability, we can arrange the linearly heightening idler support and fix it on the belt conveyor head and its turn back frame, It can have the effect of smooth transportation of rubber belt;

由于加长段的跨度尺寸大，普通小型皮带输送机的斜支撑则无法承受其载荷，因此在卸载端下可设成带有地脚固定的支腿，并通过斜拉梁来共同支撑整个加长后的卸载机构，但是由于胶带机运转中振动比较大，会导致卸载位置偏离、稳定性低的不足，可增设吊挂孔及高强链的方式将卸载装置固定到顶板上，可实现缓冲吸振、确保卸载位准确的效果，环形橡胶皮带通过逐级加高的缓冲托辊组后可平顺地过渡到加长卸载装置，再经加长段步入皮带机线体卸载臂，待卸料后经改向滚筒，由V型调心托辊支架组等运送到机体的包胶电动滚筒端，完成输送规格经加长后的循环工作过程；

Due to the large span size of the extended section, the inclined support of ordinary small belt conveyor can not bear its load. Therefore, the outrigger with fixed foundation can be set under the unloading end, and the whole extended unloading mechanism can be supported together through the inclined beam. However, due to the large vibration during the operation of the belt conveyor, the unloading position will deviate and the stability will be low, The unloading device can be fixed to the top plate by adding hanging holes and high-strength chains, which can achieve the effect of cushioning and vibration absorption and ensure the accuracy of unloading position. The annular rubber belt can smoothly transition to the extended unloading device after passing through the buffer idler group increased step by step, and then enter the line unloading arm of the leather belt machine through the extended section. After unloading, it will be changed to the drum, The V-shaped self-aligning idler support group is transported to the rubber coated electric roller end of the machine body to complete the cyclic working process after the conveying specification is extended;

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