Tower Crane Dxz Slewing Limit Switch for Safe Load Indicator
China Tower Crane Dxz Slewing Limit Switch for Safe Load Indicator, Find details about China Load Limit Switch, Hoist Limit Switch from Tower Crane Dxz Slewing Limit Switch for Safe Load Indicator
Basic Info.
Model NO.
1: 64/1: 274/1: 960
Type
Under-Slewing Crane
Product Name
Limit Switch
Applications
Tower Crane
Types
1:960
Trademark
SYM
Transport Package
in Carton
Specification
1: 61
Origin
China
HS Code
8431499900
Model NO.
1: 64/1: 274/1: 960
Type
Under-Slewing Crane
Product Name
Limit Switch
Applications
Tower Crane
Types
1:960
Trademark
SYM
Transport Package
in Carton
Specification
1: 61
Origin
China
HS Code
8431499900
Product Desciption
Tower Crane Spare Parts DXZ Hoist Trolley Load Limit Switch
Dxz Slewing Limit Switch Tower Crane Spare Parts
Specifications :
The products are according to the followlng technical parameters Raw material control:
1.The steel material selected 100 % comes from our natlonal large-scale steel corporations .
2.The critical materials that steel,welding material etc are all examed by chemical detection , then They are allowed into workshop for batch production.
3.Strictly conforms to drawing requirements, we make the products with 16 Manganese,40 Chromium and 45#steel etc .
4,Every parts of our products that pins ,axles,sleeves etc are strictly obey quenching and tempering procedures .
5,Every parts of our products strictly conforms to the procedure requirements : mill ,plane, polish, press ,test etc in turn.
6,As for have finished products ,we perform the requirements of the ISO9001 Quality System and national standard strictly.General introduction of tower crane main mechanisms .
( 1 ) Main raw material of tower crane's body and tower-cap are 16 Manganese,Q345B Steels , which are selected from heavy wall seamless steel pipe manufactured by Ansteel Steel Group.
( 2 ) Hoisting mechanism " Jiuhe " and " Yibin " brand are provided by national-level manufacturer. To adopt eddy current brake,four-speed winding hoist.
( 3 ) Slewing bearing : appointed corporation of Fangyuan Slewing Bearing Factory .
( 4 ) Slewing mechanism : equipped with four-speed winding motor and "Shengjian " brand, the quality is the same with exporting supplier
( 5 ) Luffing mechanism is double-speed cone rotor motor, so It's needn't refill gear lubricant or maintenance , and double-planetary reducer.
( 6 ) Electrical apparatus system : The main contactor is from Siemens. The operating system is a high-quality product ( integrated pellet ) ,which provided by Sanmen Sangang ,and is durable in use.
( 7 ) Welding : welding is carbon-dioxide shielded and automatic submerged arc welding. Feature: advanced technology,strong connectivity.
( 8 ) Driver cab : With arc space capsule , toughened glass , wide field of vision , clear and safe ,auto wiper, air conditioner.
( 9 ) Basic mast section : square strengthened steel, repeatedly applicable, convenient in tower crane displacement. But lower in cost.
( 10 ) Mast section : 3 meters in length , strengthened bolted with 10.9 grade high-strength bolt . each mast section with 12 bolts .(common manufacturers adopts 8.8 grade).
DXZ series multi-functional turning angle type travel limiter is a kind of new safety protection drvice disigned and produced
domestically after the introduction of products from France,applicable to space three-cooodinate bilateral control,control of any position, turning angle and travel and analog sensory control, widely used in tower cranes, port cranes,various windlasses and other construction machinery, as well as control circuit of similar machinery.
The product has a variety of functions, such as small size, large transmission ratio, high accuracy, convenient installation and debugging versatility and so on, having been applied more and more widely.
Standard Ratio
Nonstandard ratio
Dxz Slewing Limit Switch Tower Crane Spare Parts
Specifications :
The products are according to the followlng technical parameters Raw material control:
1.The steel material selected 100 % comes from our natlonal large-scale steel corporations .
2.The critical materials that steel,welding material etc are all examed by chemical detection , then They are allowed into workshop for batch production.
3.Strictly conforms to drawing requirements, we make the products with 16 Manganese,40 Chromium and 45#steel etc .
4,Every parts of our products that pins ,axles,sleeves etc are strictly obey quenching and tempering procedures .
5,Every parts of our products strictly conforms to the procedure requirements : mill ,plane, polish, press ,test etc in turn.
6,As for have finished products ,we perform the requirements of the ISO9001 Quality System and national standard strictly.General introduction of tower crane main mechanisms .
( 1 ) Main raw material of tower crane's body and tower-cap are 16 Manganese,Q345B Steels , which are selected from heavy wall seamless steel pipe manufactured by Ansteel Steel Group.
( 2 ) Hoisting mechanism " Jiuhe " and " Yibin " brand are provided by national-level manufacturer. To adopt eddy current brake,four-speed winding hoist.
( 3 ) Slewing bearing : appointed corporation of Fangyuan Slewing Bearing Factory .
( 4 ) Slewing mechanism : equipped with four-speed winding motor and "Shengjian " brand, the quality is the same with exporting supplier
( 5 ) Luffing mechanism is double-speed cone rotor motor, so It's needn't refill gear lubricant or maintenance , and double-planetary reducer.
( 6 ) Electrical apparatus system : The main contactor is from Siemens. The operating system is a high-quality product ( integrated pellet ) ,which provided by Sanmen Sangang ,and is durable in use.
( 7 ) Welding : welding is carbon-dioxide shielded and automatic submerged arc welding. Feature: advanced technology,strong connectivity.
( 8 ) Driver cab : With arc space capsule , toughened glass , wide field of vision , clear and safe ,auto wiper, air conditioner.
( 9 ) Basic mast section : square strengthened steel, repeatedly applicable, convenient in tower crane displacement. But lower in cost.
( 10 ) Mast section : 3 meters in length , strengthened bolted with 10.9 grade high-strength bolt . each mast section with 12 bolts .(common manufacturers adopts 8.8 grade).
DXZ series multi-functional turning angle type travel limiter is a kind of new safety protection drvice disigned and produced
domestically after the introduction of products from France,applicable to space three-cooodinate bilateral control,control of any position, turning angle and travel and analog sensory control, widely used in tower cranes, port cranes,various windlasses and other construction machinery, as well as control circuit of similar machinery.
The product has a variety of functions, such as small size, large transmission ratio, high accuracy, convenient installation and debugging versatility and so on, having been applied more and more widely.
Standard Ratio
| Drive rate No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Drive rate | 1:13 | 1:17 | 1:46 | 1:60 | 1:78 | 1:210 | 1:274 | 1:660 | 1:960 |
Nonstandard ratio
| Ratio | 1:20 | 1:26 | 1:30 | 1:35 | 1:87 | 1:105 | 1:135 | 1:140 |
| 1:160 | 1:188 | 1:247 | 1:330 | 1:360 | 1:453 | 1:480 | 1:660 |
| DXZ limit switch use for tower crane / crane switch /amplitute sensor | ||
| 1.Small size | ||
| 2.Large transmission ratio | ||
| 3.High accuracy | ||
| 4.Convenient installation and debugging versatility and so on | ||
| ITEM:DXZ | Data | |
| Housing | Aluminum | |
| Rating load | 10A/250VAC | |
| Rated Voltage | AC 220/380V | |
| Rated Current | 6~10A | |
| Operating speed | 1mm-50cm/s | |
| Operating frequency | Mechanical | 120times/min |
| Electrical | 30times/min | |
| Insulation resistance | 100MΩ(Above)DC500V | |
| Contact resistance | 25MΩ(intial value) | |
| Withstand voltage | Non-connection wire | 1000VAC |
| Every terminal | 1500VAC | |
| Vibration | Misoperation | 10-55Hz Amplitude 1.5mm |
| Impact | Durable | 1000m/s² |
| Misoperation | 300m/s² | |
| Life | Electrical | 100,000above |
| Mechanical | 1,000,000above | |
| Protection degree | IP65 | |
| Operation temperature | "-40'C~55'C | |
| Operating humidity | ≤ 90%RH | |
| Repeatable Positioning Accuracy | Angle Error of Memory Cam ≤0.005rad (0.3°) | |
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