摘要：【中文】本发明公开了一种井下长距离供电装置，包括底座和支撑架，所述支撑架的底部固定有万向轮，所述支撑架的顶部固定有底座，所述底座的顶部从左至右依次安装有逆变箱和控制箱，所述底座的顶部位于逆变箱和控制箱的一侧安装有高频变压器；本发明还公开了一种井下长距离供电装置的使用方法；本发明的有益效果是：通过在支撑架上设计的支撑组件，通过螺杆带动抵板推进，使得抵板抵在主回路箱的底部，起到对主回路箱的支撑，减小主回路箱所受的负荷；通过在逆变箱的表面贯通开设相对分布的通孔，且逆变箱的前表面位于通孔的外侧设置防尘机构，有助于更好的利用防护网阻隔灰尘，并散热，也便于在防护网表面积灰时，将防护网取下进行清洁。 【EN】The invention discloses an underground long-distance power supply device which comprises a base and a support frame, wherein universal wheels are fixed at the bottom of the support frame, the base is fixed at the top of the support frame, an inverter box and a control box are sequentially installed at the top of the base from left to right, and a high-frequency transformer is installed at one side, located on the inverter box and the control box, of the top of the base; the invention also discloses a using method of the underground long-distance power supply device; the invention has the beneficial effects that: the support component designed on the support frame drives the abutting plate to advance through the screw rod, so that the abutting plate abuts against the bottom of the main loop box, the main loop box is supported, and the load borne by the main loop box is reduced; through link up the through-hole of seting up relative distribution on the surface at the contravariant case, and the front surface of contravariant case is located the outside of through-hole and sets up dustproof mechanism, helps better utilization protection network separation dust to the heat dissipation, also be convenient for when protection network surface deposition, take off the protection network and clean.

摘要：【中文】本发明提供一种改善汽车车身用铝合金板材各向异性的方法，包括：步骤一，对热轧后的铝合金板进行中间退火，得到中间退火的铝合金板；步骤二，采用交叉轧制工艺，对中间退火的铝合金板进行冷轧变形，得到冷轧变形的铝合金板；步骤三，对冷轧变形的铝合金板进行固溶热处理，得到T4态板材。本发明的改善汽车车身用铝合金板材各向异性的方法可以改善固溶热处理后铝合金的组织形貌及织构特征，经过本发明方法处理的铝合金板经过冲压后，制耳率显著下降，制耳分布均匀，从而达到改善汽车用铝合金板成形过程中各向异性的效果，使得铝合金板材在强度满足服役条件下，整体性能得以提升。 【EN】The invention provides a method for improving the anisotropy of an aluminum alloy plate for an automobile body, which comprises the following steps: firstly, performing intermediate annealing on the hot-rolled aluminum alloy plate to obtain an intermediate-annealed aluminum alloy plate; step two, performing cold rolling deformation on the aluminum alloy plate subjected to intermediate annealing by adopting a cross rolling process to obtain a cold-rolled deformed aluminum alloy plate; and step three, carrying out solution heat treatment on the cold-rolled and deformed aluminum alloy plate to obtain a T4 state plate. The method for improving the anisotropy of the aluminum alloy plate for the automobile body can improve the structure appearance and the texture characteristics of the aluminum alloy after the solution heat treatment, and the lug making rate of the aluminum alloy plate treated by the method is obviously reduced and the lug making distribution is uniform after the aluminum alloy plate is stamped, so that the effect of improving the anisotropy of the aluminum alloy plate for the automobile in the forming process is achieved, and the integral performance of the aluminum alloy plate is improved under the condition that the strength meets the service condition.