摘要：【中文】本发明公开了一种用于重型机械的抬升装置，包括主体、传动装置和固定装置，所述主体中设置有放置槽、方形凹槽并且放置槽中卡接设置有支撑架，所述支撑架上连接设置有传动装置通过本发明设置的传动装置对于机械设备的抬升工作能够进行的更为稳定、方便检修工作人员进行检修工作，提高工作效率，通过设置的固定装置能够提高其高度位置固定的稳定性，不易产生高度偏差，进而为检修工作提高便利性和安全保证，通过设置的第一挤压板与第二挤压板、支撑杆对于机械设备在进行抬升工作过程中具有一个稳定的上升状态，进而提高工作安全性。 【EN】The invention discloses a lifting device for heavy machinery, which comprises a main body, a transmission device and a fixing device, wherein a placing groove and a square groove are arranged in the main body, a supporting frame is clamped in the placing groove, the transmission device is connected and arranged on the supporting frame, the lifting work of mechanical equipment can be more stable through the transmission device arranged on the supporting frame, the maintenance work of maintenance workers is convenient, the work efficiency is improved, the stability of the height position fixation of the mechanical equipment can be improved through the fixing device, the height deviation is not easy to generate, the convenience and the safety guarantee of the maintenance work are further improved, and the first extrusion plate, the second extrusion plate and a supporting rod are arranged to enable the mechanical equipment to have a stable lifting state in the lifting work process, so that the work safety is improved.

摘要：【中文】本发明公开了一种基于PE的高强度复合膜，其由内至外依次包括第一HDPE层、第一SBS层、第一热塑性TPU层、第一SEBS层、第一LDPE层、第二SBS层、第二热塑性TPU层、第二SEBS层以及第二HDPE层，第一HDPE层具有第一缺口埃尔门多夫撕裂强度，第一SBS层具有第二缺口埃尔门多夫撕裂强度，第一热塑性TPU层具有第三缺口埃尔门多夫撕裂强度，第一SEBS层具有第四缺口埃尔门多夫撕裂强度，第一LDPE层具有第五缺口埃尔门多夫撕裂强度，第二SBS层具有第六缺口埃尔门多夫撕裂强度，第二热塑性TPU层具有第七缺口埃尔门多夫撕裂强度，第二SEBS层具有第八缺口埃尔门多夫撕裂强度以及第二HDPE层具有第九缺口埃尔门多夫撕裂强度，其中，第一‑第九缺口埃尔门多夫撕裂强度各自具有实质不相同的数值。 【EN】The invention discloses a high-strength composite film based on PE, which sequentially comprises a first HDPE layer, a first SBS layer, a first thermoplastic TPU layer, a first SEBS layer, a first LDPE layer, a second SBS layer, a second thermoplastic TPU layer, a second SEBS layer and a second HDPE layer from inside to outside, wherein the first HDPE layer has a first notch Elmendorf tearing strength, the first SBS layer has a second notch Elmendorf tearing strength, the first thermoplastic TPU layer has a third notch Elmendorf tearing strength, the first SEBS layer has a fourth notch Elmendorf tearing strength, the first LDPE layer has a fifth notch Elmendorf tearing strength, the second SBS layer has a sixth notch Elmendorf tearing strength, the second thermoplastic TPU layer has a seventh notch Elmendorf tearing strength, the second SEBS layer has an eighth notch Elmendorf tearing strength and the second HDPE layer has a ninth notch Elmendorf tearing strength, wherein the first-ninth notched Elmendorf tear strengths each have a substantially different value.