MG450 Rail-mounted Gantry Crane

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MG450type Rail-mounted Gantry Crane is  widely used to carry, hoist or load precast beams at precasting beamyard. The whole machine can run on both longitudinal and transverse tracks by 90°steering of cart running mechanism.

Working Class: A3

Use Level:M4

Rated Lifting Capacity:450t

Span:30m-45m

Lifting Height: 10m-35m

Wheel Press of Cart: 18t-40t

Wheel Press of Trolley: 33t

Lifting speed:   0 — 0.5m/min (heavy load)

0 — 1.0 m/min (no load)

Running speed of cart         0 — 7.5m/min (heavy load)

0 — 15 m/min (no load)

Running speed of trolley    0 — 3.0m/min (heavy load)

0 — 6.0m/min (no load)

Allowable wind pressure    ≤250N/ m2 (working),

≤800N/ m2(non-working)

Woking Power: 50H~380V

Overall Capacitance:180Kw~200Kw

Overall Weight:300t – 480t


Working Class: A3

Use Level:M4

Rated Lifting Capacity:450t

Span:30m-45m

Lifting Height: 10m-35m

Wheel Press of Cart: 18t-40t

Wheel Press of Trolley: 33t

Lifting speed:   0 — 0.5m/min (heavy load)

0 — 1.0 m/min (no load)

Running speed of cart         0 — 7.5m/min (heavy load)

0 — 15 m/min (no load)

Running speed of trolley    0 — 3.0m/min (heavy load)

0 — 6.0m/min (no load)

Allowable wind pressure    ≤250N/ m2 (working),

≤800N/ m2(non-working)

Woking Power: 50H~380V

Overall Capacitance:180Kw~200Kw

Overall Weight:300t – 480t



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Q:Where can a concrete mixer be used?
Construction sites, Bridges, roads and so on are indispensable
Q:Construction elevator positioning should consider which problems
First make sure that the whole fence can be put down, and there should be no other extension of the fence that does not interfere with the lifting up and down of the cage Considering the length of the wall support, ensure the effective adjustment of the enclosed wall Then consider the installation of the wall support Consider whether access to the building is appropriate Some sites have been put into buildings directly, and some sites have considered scaffolding between them
Q:What type of concrete mixer is needed for each hour of concrete 90 cubic meters?
If it's a theoretical one, it's going to build 90 lines per hour, which is 90 square hours per hour, and if it's actually 90 square, it's going to be at least 120 stations.
Q:Safety device for construction elevator
When the cage is in an emergency for various reasons during the operation, the driver can press the stop switch at any time, making the cage stop running. The fast stop must be a non-self-restoring safety device, usually installed in the top of the cageConstruction lifter lifting door, protective enclosure door are equipped with electric interlock switch, which can effectively prevent because of hoisting cage or protective enclosure door open it up and running and materials caused by falling, only when the hoisting cage door and protective enclosure fully closed to start running.
Q:Concrete mixstations belong to no special equipment
Is not mixing station is places or facilities, equipment, for whether the equipment belongs to the special equipment to check the catalog of special equipment, included in the directory is the special equipment, is not included.
Q:The construction site adopts commercial concrete
General concrete, only concrete, including transportation to the construction site and helping you to deliver concrete to the construction site. So, you have to have your own construction workers and construction tools. But there may also be a business mixing station offering full service, package concrete, package delivery, and construction, but all of these are charged separately. Different grade concrete price, plus freight transportation distance multiplied by the unit of distance, to the construction site by car or car pump, drag pump after the concrete pumping concrete is poured to the construction site also want to charge, if you are also required to provide other services, as well as for the money, just look at mixing station have the service.
Q:How many years does the concrete agitator truck go away?
A. wanxiang rotation is part of the fault area. The grease should be added on time, and the wear condition should be checked regularly to repair the replacement. The team should have a spare, versatile shaft assembly to ensure that the work will be restored within a few minutes once the malfunction occurs. B. keep the hydraulic oil clean. It is necessary to prevent the sewage and silt from entering the hydraulic system. Hydraulic oil should be changed regularly according to the manual. Once the water or silt is found in the hydraulic fluid, the hydraulic system and the hydraulic oil are replaced immediately. C. ensure the hydraulic cooling unit is effective. Be sure to clean the hydraulic oil radiator regularly, prevent the radiator from being blocked by cement, check whether the radiator electric fan is running properly and prevent the hydraulic oil from exceeding the temperature. The hydraulic part should be clean only for hydraulic oil, usually not very much. But unlike manufacturers, service life is different
Q:What mechanical equipment is used for the demolition of the road?
A crusher, like a digger, is the same thing as a big iron spike
Q:What is the safety device for construction elevator?
Fence threshold position, threshold position, both inside and outside ladder ladder cage cage up and down limit, limit switch, for safety device, weight limiter and ladder to the top of cage outside the door stop, on the abrupt stop switch. The highest point is a toothless standard day. There are elevators and ultra high sensing switches.
Q:What is the thickness of the shotcrete and the corresponding machinery?
The thickness depends on the thickness of the design in your calculation. The shotcrete is usually a large air compressor and special injector.

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