Tower crane parts to introduce

     Tower Crane applications in the construction industry is now essential to bring a lot of convenience to the construction site, while its security is the most important issues and problems. So the quality of crane has become a top priority, can not tolerate the slightest careless. Now a brief look at the crane structure, many different types of cranes, the basic structure is unchanged under normal circumstances. We are using multi-section steel connected together. The focus problem is in its joints. That is the core of the project, part of the connection if the crane is a problem, then everything is equal to "zero."

    Crane bolt: fastening a sophisticated product, mainly used to effectively connect the crane docking site. Thus ensuring the normal operation of the crane, and high efficiency operation.
    Material: Normally it is alloy steel processing, taking into account their hardness and toughness on the current I will present alloy steel we usually use 40Cr. All aspects of its performance are able to meet national standards. It was often used.

Some repair and maintenance measures of crane accessories

Machinery and equipment maintenance and repair, brakes agencies should always be checked and gap adjustment brake shoes and brake drum, ensure flexible and reliable. In the friction surface, there should be no dirt exists, in case of contamination must be washed off with gasoline or thinner. Gearbox, transmission, gear and other external part of lubricating and hydraulic oil according to the lubrication requirements of the table. Pay attention to check whether the ministries broken wires and loose rope shares phenomenon. Exceeds the relevant provisions must be renewed immediately. Wire rope maintenance should be in strict accordance with GB5144-85 regulations. Where open gear must have a protective cover.

Always check the connections ministries, if loose should be tightened. The tower should check the tightness of bolts at the tower pressure, all connections must have a little shaft cotter pin, and the need to open fully. Always check whether the normal operation agencies, with or without noise, if found faulty and must be immediately removed. When installing, removing, and adjust the rotation mechanism, to be taken to ensure that the center line and the center line of the rotary mechanism gear reducer parallel, its engaging surface not less than 70%, meshing clearance to fit.
Tower crane shall carry out regular inspection, maintenance and repair, transmission parts should have enough oil, for wearing parts must always check, repair or replacement, bolt on machinery, especially frequent vibration parts such as the tower connecting bolts should check whether loose, loose if tightened or replaced if necessary.

Concrete pump performance

Stirring towed to the pump is a traditional commodity and commodity concrete mixing machine concrete pump grouped together to achieve a fully automated material commodity concrete construction process, mixing, pumping high pressure in one of the small commodity concrete pump , following brief stirring performance towed to pump stirred towed to pump concrete pump set commodity and commodity concrete mixing machine functions in one, saving the cost of purchase of equipment, and stirred towed to pump far more cost-effective higher commodity and commodity concrete pump concrete mixing machine. Concrete commodity stirring twice, more uniform, better quality merchandise concrete; stirring towed to pump outstanding performance excellence is also reflected in the construction, steel structure will not affect the floor, pouring the floor better quality. Stirring towed to pump operator for high efficiency and save labor. Construction of a fully automated operating system, with forklifts feeding, fully mechanized operation, the total work efficiency of conventional mixing machine plus pump 4 to 6 times, saving time, effort, significant cost savings for the building. Transport large aggregate concrete products suitable for small and medium sized, ground fight Zhuang, especially for the 4-12 group building, small bridges, field sites scattered-site mixing commercial concrete construction projects.

Concrete mixing plant equipment used in detail fine-tune the six points for attention

   Our mass production of concrete mixing plants belong to forced-efficient equipment to produce plastic, dry concrete and other hard, high production efficiency, equipment widely used in large and medium-sized construction, road and bridge engineering and manufacturing of precast concrete products plantIt is the ideal equipment for ready-mixed concrete.

Concrete mixing station equipment in use to fine-tune the details of 6 Precautions
1. Concrete Mixing standing by professional operators to adjust to;
2. concrete mixing station adjustment preceded by checking the voltage of each power supply capacity to meet the requirements, whether there is leakage, short circuit, if there should be timely repair;

3. The adjustment of concrete mixing station is also equivalent to maintenance work, adjust staff must clean up the concrete mixing station components need to be cleaned;
4. If the concrete mixing station using a belt conveyor, when you adjust if the belt deviation, the machine farther away from the body as much as possible;
5. When the adjustment if the power of the device needs to be powered down;
6. carrying gas path adjustment, in addition to which some power outside of the gas vent.

How to select tower crane standard section

     Standardsselection is an important part of the tower crane , how to buy at the time of purchase is important , first of all look at the quality of the material is not steel , then there is not a big factory to see the regular manufacturers , in addition there are a few considerations in the purchase process this relatively simple method of identification , primarily by observing .

First, look at the degree of convergence is good, each link is flexible, whether lubrication, if rust or each convergence point appears relatively slow , so it is best not to buy such a house is generally a time more often , and usually do not how to maintain, so be careful the selection criteria section .

Second, look at the production is smooth and delicate, and if so, this is generally more sophisticated , processing and other aspects are in place, such as standard deviation crane standard section will not .

Good quality is the primary consideration when purchasing , then there is inevitable considering the price , because the cost savings are to be considered , each manufacturer's prices may vary , so choose cost-effective but also ensure the quality of the manufacturers in very critical , cost-effective first refers to the direct price is not too high , not least the proposed election , this is difficult is difficult to ensure the quality , look at the second sale, in after-sales maintenance support that can compare fly .

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