{"type":"product","schema_version":"1.0","item_id":"100583102375","canonical_url":"https://tw.bid.yahoo.com/item/100583102375","title":"【夜市王】液壓升降臺 益智拼裝玩具 DIY液壓升降平臺99元","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-07-27T00:14:37.011Z","current_price":99,"original_price":null,"stock_status":"in_stock","available_quantity":996,"sold_quantity":3,"seller":{"id":"Y4703356977","name":"夜市王","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/fccf83cf-1eff-4939-acea-e61f74b02fdb.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/59a8ef16-c4d4-41b6-b64c-a24e2bbd70fa.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/6bb91556-b22f-46d5-8406-f881e25e3678.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/4b3cc9fd-84a3-4d8c-b07a-613e9f883c5f.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null}],"description":"液壓升降平臺：\n\n一、上升運動\n\n液壓油由葉片泵形成一定的壓力，經濾油器、閥門進入液缸下端，使液缸的活塞向上運動，提升重物，液缸上端回油經隔爆型電磁換向閥回到油箱，其額定壓力通過溢流閥進行調整，通過壓力錶觀察壓力錶讀數值。\n\n二、下降運動\n\n液缸的活塞向下運動（既重物下降）。液壓油經防爆型電磁換向閥進入液缸上端，液缸下端回油經閥門回到油箱。為使重物下降平穩，制動安全可靠，在回油路上設置平衡閥，平衡回路、保持壓力，使下降速度不受重物而變化,由節流閥調節流量，控制升降速度。 為使制動安全可靠，防止意外，增加液控單向閥，即液壓鎖，保證在液壓管線意外爆裂時能安全自鎖。安裝了超載聲控報警器,用以區別超載或設備故障。","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"26018","category_name":"其他益智遊戲/玩具","breadcrumb":[{"id":"25464","name":"玩具、模型與公仔","url":"/tw/%E7%8E%A9%E5%85%B7%E3%80%81%E6%A8%A1%E5%9E%8B%E8%88%87%E5%85%AC%E4%BB%94-25464-category.html"},{"id":"2092074497","name":"益智遊戲/玩具","url":"/tw/%E7%9B%8A%E6%99%BA%E9%81%8A%E6%88%B2-%E7%8E%A9%E5%85%B7-2092074497-category.html"},{"id":"26018","name":"其他益智遊戲/玩具","url":"/tw/%E5%85%B6%E4%BB%96%E7%9B%8A%E6%99%BA%E9%81%8A%E6%88%B2-%E7%8E%A9%E5%85%B7-26018-category.html"}],"view_count":0,"watch_count":6}