QY25H Truck Crane

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Brief Introduction

QY25H truck crane is developed and manufactured independently by Beijing Jingcheng Heavy Industry Co.,Ltd. It features nice appearance, convenient operations, great reliability, electric-hydraulic proportional control and convenient operation, and can meet the requirements of different end users. Equipped with five-section telescopic boom of U-shape structure and one-cylinder double-rope telescoping mechanism, its lifting performance is superior to other similar products.

Specifications

Max. rated capacity25,000 kg
Max. traveling speed73 km/h
Gradeability38%
G.V.W.32000 kg
         Front axle load7300 kg
         Rear axle load25300 kg
Min. turning radius10.5 m
Main boom 
SectionFive-section U profile telescopic boom
        Length fully retracted10.5 m
        Length fully extended40.1 m
        Telescoping speed135 s
        Elevation speedRising boom: 55 s    Falling boom: 60 s
JibOne section lattice jib, equipped with a one-way pulley at boom end
        Length9 m
Hoisting systemVariable hoist mechanism with integrated planetary gear, double
 grooved drum and anti-swing wire rope;
 Using variable motor to make the lifting mechanism speed in proportional
 control;
 Main hoist system with built-in normally closed brake and balance valve;
Line pull(Fourth layer) 35000 N
Line speed(Third layer) 140 m/min
Wire ropeDiameter···16 mm
 Length···185 m
OutriggersFour H-type hydraulically controlled outriggers and 1 front fifth pad. Independent
 horizontal and vertical movement controlled from each side of carrier
 and the superstructure cab. All four outriggers are equipped
 hydraulically controlled check valve. Electronic crane level indicators.
Outriggers footprintsFull·······6,100 mm
 Partial·····5,100 mm
Chassis manufacturerJCHI
Chassis modelBCW5334JQZ
Engine 
       ModelD10.27A-40 (National )
      Type6 cylinder in line, 4 strokes, water-cooled, turbocharged, intercooled, common rail
      Displacement9.726 L
      Rated power198/2200 kW/rpm
      Max. torque1100/11001600 N·m/rpm
Gearbox8 speeds forward, 1 reverse
Slewing system2.6 r/min (Free slewing and foot brake)
Hydraulic system 
      Hydraulic pumpQuadruple gear pump driven by engine through P.T.O.
     Control valveMultiple control valves actuated by control stick with integrated pressure relief valve
     Hydraulic oil tank470 L
     Oil filterReturn oil filter
Safety devicesRelief valve
 Hydraulic lock
 Over release auto control
 Overwinding auto control alarm
 Counter balance valve
 Load indicator
 Height limiter
 Overweight control alarm

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Q:What are the four kinds of truck cranes?
the boom of the boom (the elevation angle of the adjustment boom), the horizontal cylinder of the leg and the vertical cylinder of the leg.
Q:What are the classification of mobile cranes?
Car cranes can not be mounted on the road, and the body length, turning radius, and therefore through the poor performance.
Q:What are the safety measures for car cranes to eliminate hidden dangers?
The reverse oil path of the hydraulic check valve is only connected when it controls the oil input to a certain pressure oil
Q:For hydraulic cranes, why adjust the legs must be carried out without load
That is, reverse open, spool frequently open and close at this time to open the leg there is danger, Xuzhou Maske Machinery
Q:What is the weight of a truck crane?
, The input conditions after the computer will prompt you to have several configurations can be completed lifting, you can choose their own
Q:What is the difference between a truck crane and a truck crane?
Car cranes can only be a separate hoisting, in addition to crane can be hoisting, but also to the transport of goods, so that a dual-use vehicles.
Q:What is the basic structure of a car crane?
The truck crane is mainly composed of lifting, changing, turning, lifting and car chassis.
Q:What operating permits are required for truck cranes?
3, the truck crane driver should be made in the provinces and cities of the Quality and Technical Supervision issued by the special equipment operation permit;
Q:What is the difference between the performance of a truck crane and a crawler crane?
The biggest difference is the difference on the chassisTire type: chassis is the use of car chassis, motor performance is good.
Q:What is the failure of the crane crane and the slow speed of the crane?
If this is no problem is to open the crane between the steel, which loose wire rope, it can be slightly tighten it.

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