Q:The crane is different from the crane

Crane, crane is a general term for the crane, if divided in detail from its performance and position to decide, crown is people call run on main girder,

Q:What is the difference between a port platform crane and a stationary crane?

The platform crane belongs to the portal crane, which belongs to the mobile

Q:What is the working principle of a crane? thank you

Metal layout Metal layout is a metal rolling steel (e.g., Angle steel, channel steel, i-steel, steel pipe, etc.) and steel plate as a basic component, through the way such as welding, riveting, bolts to connect, according to the rules of cohesion, accept the gravity and load of the crane steel layout. The metal layout is about 40% to 70% of the unit's components, and the heavy crane can reach 90%. It accounts for more than 30% of the total cost of the machine. Metal layout according to the layout can be divided into the solid-web (made of steel plate, also known as box layout) and lattice (usually made from steel, common root and lattice column has two kinds, the fundamental mechanical components of crane metal layout. These fundamental mechanical components have column (axial force component), beam (flexural member) and boom (hydraulic components), different combinations of various components function of different crane. Stress and disorderly, the serious, consumables and more overall mobility is crane operation feature of layout.

Q:Hydraulic double crane - who explains what the crane is?

Picture is sinochem ErJian and division of research and development of synthetic oil, taiyuan heavy industry manufacturing 6400 tons of hydraulic double crane in sinochem ErJian large mechanical construction co., LTD., the trial is successful. The project adopts the liugong Europe vimal company promotion, spring wind, beams sliding door frame ZiSheng system device, door frame sliding device, hydraulic, electrical control system, such as complete sets of equipment, including 16 sets of 600 tons of lifting jack, 6 units of 200 tons of lifting jack, 16 sets of 200 tons of jack-up jack, six crawling between rail and 30 sets of hydraulic pump station.

Q:What types of cranes are there

One, lifting machinery is divided into three categories: light and small lifting equipment, crane and elevator. (1) small lifting equipment mainly refers to the lifting mechanism of only one lifting device. There are jack, block, electric manual gourd and so on. (2) a crane is a lifting machine that can be lifted vertically and can be carried horizontally. Such as a bridge crane (also known as a crane or a skycar), a car crane, a tower crane, etc. (3) the elevator points to the fixed position of the lifting machine, the lifting line is fixed, the hoisting of the wire rope, the use of the sliding rail, and the lifting mechanism of the cage. Including elevator, hoist, winch and so on.

Q:The similarities and differences between car crane and crawler crane performance

It is a mobile crane, which is divided into tyrotype and caterpillar In the same way: the machine that USES the power to lift vertically and carry it horizontally, the original motive has the ability to walk in an unspecific place. Difference: The biggest difference is the difference in the chassis Wheel type: chassis is the chassis of the car, the maneuverability is good. Crawler type: the chassis USES the caterpillar chassis to be the same as the tank, because of the use of the crawler so the ground is large, applicable to the soft ground.

Q:What are the safety technical files of tower crane

Safety technical files include: hoisting parameters, basic geological prospecting reports, operation records, security records, test records, maintenance records and maintenance records.

Q:What is the meaning of single speed, double speed, and frequency conversion speed of crane operation?

It's the speed change of the crane Single speed and double speed through the crane machine speed, that is to change the winding connection mode make the circuit produces the crane electric pole logarithm change, realize the speed control, in general there are 3000 turn, 1500, 1000, etc And the variable speed regulation, like the name, is by changing the frequency of the power supply of the input motor, the voltage to adjust the speed of the crane

Q:The lifting equipment will be monitored once

Inspection process, for there is a significant risk of hoisting machinery, such as special operating environment, frequent accidents, etc.), the inspection institution approved by the provincial quality technical supervision department agree, can shorten the cycle of periodic inspection appropriately, but the shortest period of no less than 6 months.

Q:What does the crane main make the controller do?

The main controller is the control unit that crane operator (commonly known as a crane driver) is used to operate manually in the driver's room. The main controller is installed on the platform, the handle part is exposed on the table, the control component parts are in the interlocking box body (prevent the operator's electric shock). Is the role of the main controller driver signal the running speed of the corresponding institutions, through a cable to the agency's control cabinet (or control panel), by the controller to control motor speed corresponding mechanism, thus the purpose of the complete crane control. Most of the main controllers have a set of gear (using CAM assembly principles), and they have a gear (for example, sliding resistance type and photoelectric code type etc.). According to the specification, the control must have a self-locking function to prevent the wrong operation. The master controller has a variety of specifications and types, so I won't go into that.