A wearable lumbar power-assisted exoskeleton, comprising: a back module (1), a power supply module (2), and leg modules (5). The power supply module (2) is installed at one end of the back module (1), and the leg modules (5) are detachably connected to the power supply module (2). The power supply module (2) has a detachably connected power supply interface. One side of the power supply interface is provided with a pull button (8). One end of the pull button (8) has a convex point (7). The initial position of the pull button (8) is a locked position. The convex point (7) of the pull button (8) located in the locked position snaps into a lock hole on the side wall of the power supply interface and extends to the inner part of the power supply interface. The leg modules (5) are detachably connected to two sides of the power supply module (2). The leg module (5) on either side comprises a leg bar (20), and an adjustment fast release mechanism (3) disposed at one end of the leg bar (20). The leg modules (5) of the exoskeleton can achieve fast electrical assembly and connection and fast disassembly and separation, thereby facilitating the use of the exoskeleton. Moreover, the exoskeleton employs an active form, and has a significant power-assisted effect. At the same time, the exoskeleton does not affect the normal walking of a human body, and has a good follow-up effect while employing mechanical limit protection, and is safe and reliable.
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