Expressway launching Equipments

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Applications:

This beam launcher has been widely used in highway and railway bridge projects to install T-beam, I-beam and box beams of 30m to 55m spans and 60t to 250t weight.


Features:

DFIII beam launcher.

DFIII beam launcher is more adaptable to install beams in curvatures, and more adaptable to install varying spans.

Till the year 2011, over 160 numbers of such Equipments have been provided.


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Q:The name of the mechanical of the concrete
Concrete mixer, vibrator, polishing machine, concrete cutting machine
Q:The maximum allowable deviation of the vertical is the vertical degree when the construction elevator is installed
5 kinds of circumstances. 1: the height of the elevator guide frame is less than 70 meters, and the vertical deviation should not be greater than one in 1000 of the height of the guide frame. (assuming the rail frame is 70 meters high, the deviation cannot be greater than 70mm) 2: the rail frame is greater than 70 meters and is less than 100 meters, and the deviation is less than or equal to 70 mm. 3: the guide frame is larger than 100 meters and is less than 150 meters. The deviation is less than or equal to 90 mm. 4: the guide frame is larger than 150 meters is less than or equal to 200 meters. The deviation is less than or equal to 110 mm. 5: the guide frame is greater than 200 meters, and the deviation is less than 130 mm. This is based on the requirement of 5.2.2.1 from GB10054 to 2005. (it used to be a direct copy.)
Q:What is the normal speed in the transportation of the concrete mixer
In the case of idle speed (engine speed of 600 r/min) generally feed mixing every 4 r/min, when discharging at around 6 r/min, the gas engine speed from 1500 to 2000 r/min when the hydraulic pump and motor mechanical efficiency is highest, feed mixing around 10 r/min, when discharging 12 to 14 r/min. Speed is adjustable, through adjust the driving torque of each point, can make the speed increase or decrease, when the stirring speed too fast will affect the service life of the hydraulic system, general stirring speed in the process of transportation for the 3 revolutions per minute.
Q:How many square concrete can be produced in an hour of concrete mixer
The blender can produce 50L concrete at a time, which is 0.05 square concrete. The blender is about 20 times before the concrete is produced. Mixer, it is a kind of with the blade shaft rotating in the cylinder or tank, will a variety of raw materials mixing, make it become a kind of mixture or machine suitable for consistency. The blender is divided into several kinds, such as strong mixing machine, single-sleeper shaft mixer, two-sleeper shaft mixer and so on. Note: mixers and automatic feeding machines must be cleaned, especially in winter, which can prolong life. A blender is a mixer because the mixing machine is commonly used to mix and stir all kinds of dry mortar
Q:What can be done to remove the concrete from the concrete mixer truck
The shovel shovel Conditional to buy a pneumatic spatula knife, only to find in the area of material removal lon-izing dozen, can a small amount of hydrochloric acid or outside the shovel shovel shovel, car or flushing timely, keep clean can adhere to, once the dirty is not in the mood in the lane
Q:The difference between the derrick and the construction elevator?
You want the picture to still want to explain, the words to go to baidu search all can. The derrick is not to be multiplied by the person, the setting height is not more than 30 meters, now most of the place begin to phase out the use of the derrick, because the safety coefficient is low. The construction elevator can carry cargo, set up a height of 150 meters, and can carry a weight of 1-3 tons
Q:The concrete, a car, is a plate right? The mix of concrete, one machine at a time, is a dish right
When the concrete is made, the concrete is a plate of concrete. The construction site USES concrete, which can be set in one car.
Q:How long will it take for a concrete mixer to beat ten square?
The first set of 10 square is 120, and the first set of 2 squares is calculated from the above, and the time is saved by 4 minutes in 4 minutes, the average of 15 minutes is calculated by C50 high performance concrete. If it's a C20 no water reducer, just five minutes!
Q:What are the three main parts of the concrete mixer car
The three main parts of a concrete mixer are oil pump, motor and speed reducer. The function of oil pump: provide constant power for hydraulic oil. The function of the motor: converts the power of the hydraulic oil into mechanical power and is transmitted to the decelerator. Decelerator: reduce the speed of the hydraulic motor
Q:s the collapse of four concrete mixer trucks
The degree of slump refers to the ease of concrete, which is specifically to ensure the normal operation of the construction, including the water retention, liquidity and cohesion of the concrete. Workability is refers to the concrete mixture is easy to operation, mixing, transportation, pouring and tamping), and uniform quality, compacted concrete performance. It is a comprehensive technical property, including water retention, liquidity and cohesion. The main factors of influence and ease are the water usage, the ratio of water ash ratio, the ratio of sand, including the variety of cement, aggregate condition, time and temperature, admixture and so on.

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