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挖掘机前端装置的特点介绍

日期:2018-09-06   来源:http://www.dyqicheng.com/
挖掘机标准臂就相当于人胳膊中的 胳膊肘,动臂相当于人的手臂,斗杆相当于人的手!挖掘机初设计灵感,就来自于人的手臂。
The standard arm of the excavator is equivalent to the elbow in the human arm, the moving arm is equivalent to the human arm, and the bucket bar is equivalent to the human hand! The excavator initially designed inspiration from the human arm.
动臂、斗杆是指挖掘机的一种工作装置,通常也叫大臂、小臂,主要作用是用来支配挖斗的挖掘、装车等动作。与机架相连的臂较长,所以俗称为标准大臂,其术语称作动臂;与挖斗相连的臂较小,所以俗称为标准小臂,术语称作斗杆,所以俗称它们为挖掘机标准大小臂。
The boom and bucket pole refer to a kind of working device of the excavator, usually called the forearm and forearm. The main function is to control the excavation and loading of the bucket. The arm connected with the frame is longer, so it is commonly called the standard arm, its terminology is called the movable arm; and the arm connected with the bucket is smaller, so it is commonly called the standard arm, terminology is called the bucket bar, so they are commonly called the standard arm of excavator.
标准大臂的形状结构
Shape and structure of standard big arms
反铲挖掘机大臂的形状,一般来讲都是有一定的弯位的,这样能较好的针对停机面以下的土壤进行强行挖掘,正铲挖掘机却一般都是直的,这样也能更好地针对停机面以上的土壤进行强行挖掘。其结构一般是箱体式的,上、下两块是盖板,侧面两块是墙板,相机架相连处是大臂座套,与动大臂缸杆相连处是大臂中套,与中缸筒相连处是中缸筒耳座,与小臂相连处是大臂钗。标准大臂上装有动臂油缸和斗杆油缸控制其动作。
加长臂挖掘机出租
Generally speaking, the shape of the backhoe excavator arm has a certain bending position, so that it can better for the soil under the stopping surface for forced excavation, but the backhoe excavator is generally straight, so it can better for the soil above the stopping surface for forced excavation. Its structure is generally box-type, the upper and lower two are the cover plate, the side two are the wallboard, the camera frame is connected with the arm seat sleeve, with the arm cylinder rod is connected with the middle arm sleeve, with the middle cylinder cylinder ear seat, with the arm is connected with the arm bracket. The standard boom is equipped with boom cylinder and bucket cylinder to control its movements.
标准小臂的形状结构
Shape structure of standard arm
不管是反铲或是正铲挖掘机小臂,一般来讲都是直的,其结构主要是由上下盖板、左右墙板、中缸杆耳座、铲斗缸筒耳座、小臂后套、小臂中套、小臂前套等构件组成。小臂上装有铲斗油缸控制其动作。前端配重挖斗。
Whether it is backhoe or shovel excavator arm, generally speaking, are straight, its structure is mainly from the upper and lower cover plate, left and right wallboard, cylinder rod ear seat, bucket cylinder ear seat, arm back sleeve, arm middle sleeve, forearm sleeve and other components. The bucket is equipped with a bucket oil cylinder to control its movements. Front counterweight digging bucket.
动臂油缸与铲斗油缸的布置
Arrangement of boom cylinder and bucket cylinder
动臂油缸装在动臂的前下方,动臂的下支承点(即动臂与转台的铰点)设在转台回转中心之前并稍高于转台平面,这样的布置有利于反铲的挖掘深度。油缸活塞杆端部与动臂的铰点设在动臂箱体的中间,这样虽然削弱了动臂的结构强度,但不影响动臂的下降幅度。并且布置中,动臂油缸在动臂的两侧各装一只,这样的双动臂在结构上起到加强筋的作用,以弥补前面的不足。
The boom cylinder is installed at the front and bottom of the boom, and the lower supporting points of the boom (i.e. the hinge points of the boom and the turntable) are located before the turntable center and slightly higher than the turntable plane. This arrangement is beneficial to the excavation depth of the backhoe. The end of the piston rod of the cylinder and the hinge point of the boom are arranged in the middle of the boom box, which weakens the structural strength of the boom, but does not affect the decline of the boom. And in the arrangement, the boom cylinder is installed on both sides of the boom, so that the double boom plays the role of reinforcing ribs in the structure to make up for the shortcomings in front.
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