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關于二手叉車的知識你了解多少?

來源:http://nukkadh.com/ 日期:2018-12-05 發布人:admin

所謂叉車是用貨叉或其他工作裝置自行裝卸貨物的起升車輛。屬于物料搬運機械。廣泛應用于車站、港口、機場、工廠、倉庫等國民經濟各部門,是機械化裝卸、堆垛和短距離運輸的高效設備。自行式叉車出現于1917年。第二次世界大戰期間,叉車得到發展。中國從20世紀50年代初開始制造叉車。叉車按結構分類有:平衡重叉車、前移叉車、側面叉車、插腿叉車、跨車和特種叉車6類。其中平衡重叉車應用廣,常簡稱為叉車。叉車搬運的對象大多是成件物品。將貨叉換裝各種器具(叉車屬具)后,又可搬運多種貨物。叉車主要由以下幾種裝置組成:①動力裝置。如內燃機和蓄電池-電動機等。②傳動裝置。分為機械、液力和液壓傳動裝置。③轉向裝置。如轉向器、轉向輪、轉向拉桿等。④工作裝置。又稱門架,由內門架、外門架、貨叉架、貨叉、鏈輪、鏈條、起升油缸和傾斜油缸等組成。⑤液壓系統和制動裝置。表示叉車性能的主要參數是在標準起升高度和標準載荷中心距下的額定起重量。載荷中心距是貨物重心到貨叉垂直段前壁的距離。

  The so-called forklift truck is a lifting vehicle that loads and unloads goods by itself with forks or other working devices. It belongs to material handling machinery. It is widely used in stations, ports, airports, factories, warehouses and other departments of national economy. It is an efficient equipment for mechanized loading and unloading, stacking and short distance transportation. Self-propelled forklift truck appeared in 1917. During the Second World War, forklift trucks were developed. Forklift trucks have been manufactured in China since the early 1950s. Forklift trucks are classified by structure into six categories: balanced forklift truck, forward forklift truck, side forklift truck, legged forklift truck, crossing truck and special forklift truck. The balance weight forklift truck is the most widely used, often referred to as forklift truck. Forklift trucks mostly carry finished goods. After the fork is replaced with various appliances (forklift fittings), a variety of goods can be transported. Forklift truck is mainly composed of the following devices: 1. power plant. Such as internal combustion engine and battery-motor. 2. Transmission device. It is divided into mechanical, hydraulic and hydraulic transmission devices. 3. Steering gear. Such as steering gear, steering wheel, steering tie rod, etc. (4) working device. Also known as portal frame, by the internal portal frame, external portal frame, fork rack, fork, sprocket, chain, lifting cylinder and inclined cylinder and other components. _Hydraulic system and brake device. The main parameters for expressing the performance of forklift trucks are rated lifting weight under standard lifting height and standard load center distance. The load center distance is the distance from the center of gravity of the cargo to the front wall of the vertical section of the fork.
  叉車由動力裝置﹑輪式底盤和工作裝置三個主要部分組成﹐工作裝置包括門架﹑鏈條﹑叉架﹑貨叉和液壓缸等。門架為伸縮結構,鉸接在車軸或車架上,通過傾斜液壓缸可前后傾斜﹐以便于裝卸貨物和帶貨行駛。起升液壓缸通過鏈條傳動使裝有貨叉的叉架沿內門架升降﹐內門架叉以外門架為導軌上下伸縮﹐使叉車能以較低的門架高度﹐把貨物舉升到較高的高度。
  Forklift truck consists of three main parts: power device, wheel chassis and working device. The working device includes door frame, chain, fork frame, fork and hydraulic cylinder. The portal frame is a telescopic structure, articulated on the axle or frame, and can be tilted back and forth by tilting the hydraulic cylinder, so as to facilitate loading and unloading of cargo and driving with cargo. The lifting hydraulic cylinder is driven by chain to make the fork rack with fork lift along the inner gantry. The gantry rack outside the fork of the inner gantry is used as the guide rail to expand up and down, so that the forklift truck can lift the goods to a higher height with a lower gantry height.
  根據動力裝置分電瓶叉車和內燃叉車兩種。根據叉車的構造特點分直叉平衡重式﹑插腿式﹑前移式﹑側叉式以及各種特殊用途的特種叉車等。其中直叉平衡重式叉車應用為普遍。 直叉平衡重式叉車。貨叉裝在車體前端﹐伸出前輪中心線外。為了平衡貨物重量產生的傾覆力矩﹐在車體尾部裝有平衡重﹐作業時依靠叉車前后移動進行叉卸貨物。 插腿式叉車。兩條臂狀的支腿伸向前方﹐支腿前端裝有小直徑的車輪﹐作業時貨叉連同支腿一起插入貨物底部﹐然后使貨叉起升。由于貨物位于車輪的支承面內﹐所以整車穩定性好。 前移式叉車。是插腿式叉車的變型﹐其貨叉可在叉車縱向前后移動﹐裝卸貨物時貨叉伸出,行駛時則退回到車體中部,整車穩定性好。 側叉式叉車。門架和貨叉面向叉車一側﹐位于車體中部﹐并可橫向一起移動﹐適用于搬運長件貨物﹐叉車行駛時﹐貨物置于車體平臺上﹐整車穩定性好。
濟南二手叉車
  According to the power device, the battery forklift truck and the internal combustion forklift truck are divided. According to the structural characteristics of forklift trucks, special forklift trucks with straight fork balancing weight, inserting legs, moving forward, side fork and various special uses are adopted. Straight fork balancing forklift truck is the most widely used. Straight fork balancing forklift truck. Forklifts are mounted at the front end of the car body, extending out of the front wheel center line. In order to balance the overturning moment caused by the weight of cargo, a balance weight is installed at the rear of the body, and the forklift truck is used to move forward and backward to unload the cargo. Plug in forklift. Two arm-shaped legs stretch forward. The front end of the legs is equipped with small diameter wheels. During operation, the fork is inserted into the bottom of the cargo together with the legs, and then the fork is lifted. Because the goods are located in the supporting surface of the wheels, the stability of the whole vehicle is good. Forward fork lift truck. It is a variant of the plug-in forklift truck. Its fork can move forward and backward longitudinally. When loading and unloading the goods, the fork extends out and returns to the middle of the truck body when driving. The whole truck has good stability. Side fork forklift truck. The portal frame and fork are facing the side of the forklift truck, located in the middle of the truck body, and can move together horizontally. They are suitable for handling long cargo. When the forklift truck is running, the cargo is placed on the platform of the truck body, and the stability of the whole truck is good.
  叉車的主要技術參數是額定載重量和大起升高度。叉車不但工效高﹐而且換裝方便﹐近年來發展較快﹐已廣泛采用的可換裝的工作裝置有30余種。例如換裝側夾裝置可搬運油桶﹑捆包﹔換裝串桿裝置可搬運鋼卷﹑水泥管﹔換裝起重臂﹑吊鉤可吊裝各種重物﹔換裝鏟斗可裝卸搬運散料等。叉車機動靈活﹐適應性好﹐作業效率高﹐應用二手叉車可實現裝卸﹑搬運作業機械化﹐減少貨物破損﹐提高倉庫容積的利用率和作業安全程度﹐故為各部門所廣泛采用。
  The main technical parameters of forklift truck are rated load and maximum lifting height. Forklift trucks not only have high efficiency, but also are easy to change. In recent years, they have developed rapidly, and more than 30 kinds of replaceable working devices have been widely used. For example, changing side clamping device can carry oil drums and bundles; changing string rod device can carry steel coils and cement pipes; changing lifting arm and hook can lift various weights; changing bucket can load and unload bulk materials, etc. Forklift trucks are flexible, adaptable and efficient in operation. The use of used forklift trucks can realize mechanization of loading and unloading and handling operations, reduce cargo damage, and improve the utilization of warehouse volume and operational safety. Therefore, they are widely used by various departments.

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