According to the statistics, machinery processing industry production 1 ton every product, electric wire rope hoists in the process of processing to loading and unloading, carrying 50 tons of material in the process of casting to carrying 80 tons of materials. 1 tonnes per smelting in metallurgical industry, it is necessary to carry 9 tons of raw material, the workshop between the capacity of 63 tons, workshop within the capacity of 160 tons. Lifting transportation cost also has a higher proportion in the traditional industries, foundry crane such as machinery manufacturing for lifting transportation costs 15-30% of all production costs, metallurgical industry for lifting transportation costs 35-45% of the total production cost, loading and unloading of goods storage transportation industry relies on lifting transportation machinery

electric overhead crane

Calculating local bending moment caused by wheel pressure in the first quarter. When CHS center of gravity axis of the intersection point of the string section centroid eccentricity, double girder overhead travelling crane to calculate its impact. Check the strength of each bar, hydraulic components and the stability of the axial compression member and fatigue of the bar. The node must carry on the strength and fatigue calculation. To check girder crane beam and brake structure deformation. The slenderness ratio of member to conform to the requirements of the specification. Crane beam arch camber to reduce large span crane beam may arise when using large downward deflection phenomenon, electric overhead crane to avoid affecting the normal operation of the crane, and in the production of crane beam, beam arch up in advance. When deciding the arch since size, want to consider the convenience of crane rail laid.

over head cranes

At present, China produces most of the use of overhead cranes were driven approach , it has light weight , workshop crane easy installation and maintenance. Transitional institutions throughout crane driven carts before and after the workshop along the length direction.Crane metal body materials, primarily steel. The manufacture of ordinary carbon steel eot crane  metal most commonly used materials, according to the chemical composition and deoxidation method, industrial overhead cranes is divided into four grades. Crane metal structure provides important bearing member using metal body components for general crane, when the design temperature not lower than , allowing the use of boiling steel, working-level A7 and overhead gantry crane  metal structure should  killed steelor special killed steel Need to reduce the structural weight, you can use 16Mn or 15MnTI, for outdoor work influenced by the temperature of the crane, such as gantry crane, over head cranes with its metal structure must be carefully chosen.

grab bucket crane

For an enterprise, it shall strictly implement the production safety law of the People's Republic of China, the special equipment safety supervision regulations, grab bucket crane and laws and regulations concerning production safety. Develop and implement the responsibility system for production safety of the hoisting machinery safety management is not only the category of enterprise equipment management, is an important content of safety production management, thus establish and improve the safe production responsibility system, the implementation of safety management is a precondition for the safe operation of the hoisting machinery and the important guarantee. The safe production responsibility system is the experience of years of production practice and summary, bridge cranes is the enterprise one of the most basic and effective security system.

electric wire rope hoist manufacturers

Chang and others mainly adopts fuzzy logic to meet bridge crane at the request of the position precision and angular inhibition. Fang Yongchun , electric wire rope hoist manufacturers the control method based on energy, by increasing the car between the load and dynamic characteristics of coupling to achieve good control of crane system; In addition, in the literature, electric wire rope hoist manufacturer several advanced nonlinear control method is applied to the bridge crane system

grab bucket crane

Since putting into production, from five years of operation, grab bucket crane equipment and pipe is analyzed.the achieves a higher level, the scale of production to meet the design basic ability. Actual use prove that these imported equipment is advanced, operation is reliable. 1 the characteristics of the imported equipment electrical devices 1.1 reliable these imported equipment more than a dozen companies from six countries, mixer, vulcanizing machine, inspection and testing equipment, a total of more than 50 Taiwan ,all products for the mid - 80 - s, technically mature, driving scheme is reasonable, and has been used in some countries, therefore, crane spare part to run the reliability is high. The quality of electrical device is stable, reliable, electrical components comply with IEC standard.

overhead gantry crane

The characteristics of the imported equipment electrical devices and the basic situation of imported equipment in operation and maintenance characteristics and basic situation in operation and maintenance of electrical devices TengBaoYu (liaoning at liaoning 122009) are introduced in this paper introduced the main characteristics of complete sets of overhead gantry crane electrical devices, problems found during the use and maintenance experience. The article points out that the advanced technology and equipment must have the corresponding staff, management system and accessories to ensure corresponding, to give full play to the introduction of device of high efficiency, high quality. overhead gantry crane trade from our factory in the UK Deng Lupu international engineering co., LTD., has introduced the production of 150000 sets of full load of steel wire radial tire production line, early in 1989 through the national acceptance.

bridge gantry crane

bridge gantry crane bridge is a bridge crane runs on an elevated track, also known as the crane. Overhead crane lay on both sides of the bridge along the elevated track longitudinal run, lifting the car along the track laid on the bridge sideways, forming a rectangle the scope of work, you can take full advantage of the space below the lifting bridge materials, not hampered by ground equipment.Overhead Crane is widely used in indoor and outdoor warehouses,factories, docks and outdoor storage yard and other places. Bridge crane bridge crane can be divided into ordinary, foundry crane simple girder bridge crane and metallurgical dedicated bridge crane three.

Widespread use of classified gantry crane

semi gantry crane is a variation of the bridge crane. In the port, mainly used for outdoor yard, yard goods, bulk cargo loading and unloading operations. Its metal structure shaped like a door frame, carrying the main beam install two feet down, you can walk directly to the track on the ground, both ends of the main beam may have overhanging cantil...ever. Gantry crane with a high utilization of space, large operating range, wide adaptation, versatility, etc., are widely used in the port yard.Gantry crane girder by primary form can be divided into single-girder gantry crane and double girder gantry crane. Wherein, single girder gantry crane structure is simple, easy to manufacture and installation, low quality of their main beam mostly Partial rail box-shaped frame structure. Compared with the double girder gantry crane, the overall stiffness weaker. Therefore, when the starting weight Q≤50t, when the span S≤35m, can this form.

Rough terrain crane

electric wire rope hoist manufacturerOff-road tyre crane in the workDeveloped a kind of crane is 70 s, its similar to tyre crane hoisting function, also can undertake no leg hoisting and lifting. The difference is the structure of the chassis and the unique chassis structure caused by the improvement of the performance of the drive. This kind of cr...ane motor are mounted on a chassis, chassis has two axle and four large diameter cross-country decorative pattern of the tire. Four wheels are the driving wheels and the steering wheel, when on the uneven muddy construction site transfer station, the four wheels are passing the power, namely, four-wheel drive, to improve the ability of through the muddy ground and uneven road surface. When in the flat surface with faster speed, only the two front axle and rear axle wheel drive, in order to reduce energy consumption. In random file, crane with four-wheel drive, 4 * 4 4 x 2 said four has two wheels is driving wheel axle. The model is suitable for the work in the narrow. Can realize stepless speed change continuously, under the condition of the pavement resistance mutations will not shut down engine, thus greatly convenient for the operation of the driver. Can the cross-country tire crane is a kind of extended performance, powerful and flexible tyre crane.double girder overhead crane manufacturers

electric wire rope hoists

double girder overhead travelling craneHumans use hoisting machinery has several one thousand years of history, ancient Egypt and the Roman empire with original crane, built huge walls. But when the crane is fixed legs more. After entering the industrial age, movable mechanical crane arises at the historic moment. After hundreds of years of develop...ment, the mobile crane has been derived ground crane truck crane, crawler crane, and etc., large branch. This is drawn according to the description of the ancient Roman engineer Vitruvius block and tackle, crane with two fixed pulley and a movable pulley. There are ancient books claimed this crane was invented by the third century BC by Archimedes. electric wire rope hoists，This is drawn according to the description of the ancient Roman engineer Vitruvius block and tackle, crane with two fixed pulley and a movable pulley. There are ancient books claimed this crane was invented by the third century BC by Archimedes.  Auto Crane, Truck Crane,) in the early twentieth century originated in Europe. Its use truck chassis,