Jiangsu Bada Heavy Industry Technology Co., Ltd.

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  1. WYS80 Crawler -typed Grabber
  2. WYS80 Crawler -typed Grabber
  3. WYS80 Crawler -typed Grabber
  4. WYS80 Crawler -typed Grabber

WYS80 Crawler -typed Grabber

  • Model No.:WYS80
  • Max lifting weight :30T
  • Total weight:80T
  • Max. lifting moment:1200kn.m
  • Max. swing torque:5.5 r/min

 This heavy-duty grab is a patented product of "double power" invention with internal combustion engine and 380V electric interchange operation, which is optimized, designed and refitte

  1. Detailed information

 

  • This heavy-duty grab is a patented product of "double power" invention with internal combustion engine and 380V electric interchange operation, which is optimized, designed and refitted on the basis of the structure of the 70 ton mining shovel imported from Liebherr in China. This "heavy-duty, high mobility" energy-saving and environmentally friendly bulk cargo handling and grab operation equipment.

  • The equipment adopts a high-power "national three" standard engine, a 380V Siemens motor, and the world's first "dual power" grabber that uses Schneider control system to drive and control two sets of Rexroth hydraulic power mechanisms and pilot hydraulic control. The machine is designed with a wide structural beam and a reinforced two-section main boom that can replace positive and negative difference. The maximum lifting weight is 25 tons and the maximum operating radius is 18 meters. Within the operation radius of 5 to 12M, it can be equipped with 5.0m3 clamshell grab or 2.5m3 plum shaped scrap grab.

  • The electric operation of this equipment is safe and energy-saving, which can save 60% energy consumption compared with internal combustion engine drive; The hydraulic grab of different uses can be quickly replaced, and the multi-purpose function of one machine is realized. The overall features are as follows:

  • ● equipped with "dual power" interworking and interlocking (patented technology) devices for alternating driving operation of internal combustion engine and 380V power;

  • ● Siemens motor is selected for electric operation, and a complete set of electrical components using Schneider control system are equipped with overcurrent, overload, overheating and leakage protection devices;

  • ● equipped with step-down starting device;

  • ● automatic identification of phase sequence to prevent reverse rotation of oil pump;

  • ● power and oil cut-off self-locking and self-stop protective devices of hydraulic system;

  • ● there are multiple compound actions during operation to improve operation efficiency;

  • ● the hydraulic system is equipped with anti tilting torque limit to ensure operation safety;

  • ● the gripper can rotate and change direction 360 degrees automatically;

  • ● when working in the upper control room, there is a dual-purpose air conditioning device;

  • ● it has the lifting function of the cab, and the driver has a good vision during operation, which is safe and efficient;

  • Progressiveness of electric drive system:

  • ● the motor adopts YX3 series new generation high-efficiency and energy-saving motor, with efficiency up to 96%, power factor of 0.9, energy saving and power saving.

  • ATS48C59Q soft starter is used for motor starting control, which greatly simplifies the control circuit. ATS48 series soft start appliances have the functions of limited current, voltage regulation and torque regulation (the actual starting current is less than twice the rated current of the motor, which is quite ideal). The parameters such as starting voltage, current and torque can be set and adjusted according to different motors and loads.

  • ● it has protection functions such as overheating, overload, overcurrent, undervoltage, overvoltage, short circuit, phase loss, phase to phase imbalance, and all protection parameters are adjustable. The built-in display screen can realize real-time self diagnosis and alarm for motor startup operation parameters.

  • ● the engine adopts CAN bus control and J1939 communication protocol. The control circuit is simple and reliable.

  • ● the programmable monitor integrated with heshman (Weika) monitoring is used to realize automatic control of engine throttle. H (heavy load), s (standard) and l (light load) modes can be selected for engine throttle according to different working loads to save energy and fuel. The automatic idling function of the engine is realized by cooperating with the pressure switch of the hydraulic system to save energy and fuel, and the throttle, maximum and idle throttle of each mode of the engine are adjustable. It can realize the display of engine parameters, hydraulic oil temperature and fuel level, fault self diagnosis and alarm functions, and each alarm point can be adjusted.

  • ● adopt integrated maintenance free aviation technology electric slip ring.

  • ● rear mounted automatic or manual cable reels are available.

  • Main technical parameters:

category

 items

unit

numbers 

     grab ability                    (including grab accessories

rated lifting moment

kN.m

1200

      scope of operation     (including grab accessories

 

Min. working radius

m

5

Max. working radius

m

18

 Max working depth

m

-6.5

max.working height

m

15.8

Max.working height (center of boom shaft hole)

m

17.95

weight  (including grab accessories

total weight in full configuration

t

80

 left track distribution weight

t

38

 right track distribution weight

t

39.5

 walking parameters

walking speed

km/h

03.5

 max climbing gradient

%

30

Grounding specific voltage

MPa

0.092

overall dimensions

 

 overall length

m

16.7

overall width

m

5.15

overall height

m

5.3

tail turning radius

m

4.8

 clearance of turntable to the ground

m

1.4

底盘参数 chassis  

total chassis length

m

6.2

track wheelbase

m

5.36

chassis total width

m

5.15

track gauge

m

4.37

 chassis ground clearance

m

0.45

 working speed

 Max. Slewing speed

r/min

6.5


Power

 engine power

kw

315

engine speed

r/min

1900

motor power

kw

220

 motor speed

r/min

1490


Hydraulic system

 max.total working flow

L/min

2×380

working pressure

Mpa

32

control mode

/

 Hydraulic pilot control

pilot system pressure

Mpa

3.5

fuel tank volume

 Hydraulic oil tank

L

610

diesel tank

L

850

optional accessories (options )

 

ZYB series clamshell grab

4.05.0

ZYG series multi segment grab

2.02.5

ZYM series wood grab (holding diameter)

m

1.8—2.2

The parameters of hydraulic grippers or electromagnetic suction cups and other accessories are determined according to the actual needs of users and equipment performance.


Working  scope

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Construction scene 

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