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zj90DB Derrick

2016-07-12 10:07      Click£ºtimes
Features of Derrick:
 
¡ñ Section of Derrick is k-shaped, namely front-opening type. 

¡ñ Derrick is installed at low position and lifted completely. Derrick is divided into several sections which are connected in plane, and double conic pin is inserted into holes so as to connect sections tightly and properly.

¡ñ Main body of Derrick is laminar structure which is easy to assemble & disassemble and transport.

¡ñ Major stressed parts of Derrick such as legs and A-frame are made from H-steel. 

¡ñ Adjustment of center of well: its left and right direction is adjusted by adding/reducing pads under bracket of Derrick and front/ rear direction is adjusted by eccentric wheel at rear bracket of A-frame (however, if bracket of derrick’s leg is below sub-structure, it is adjusted on the floor). 

¡ñ Derrick meets API Spec 4F regulations so that it is allowed to put on an API. Label.



[Click the picture to enlarge]

 

 
Performance Parameter of Derrick:

Model
JJ 135/31.5
JJ 225/43
JJ 315/43-¢ò
JJ 315/43
JJ 450/45
JJ 450/45S
JJ 450/45K
JJ 585/45
Maximum static load(KN)
1350
2250
3150
3150
4500
4500
4500
5850
Working height (meter)
31.5
43
43
45
45
45
45
45
Top span distance(meter)
1.7
1.8
1.8
1.8
2.1
Facad: 2.1
Side: 2.05
2.1
2.4
Bottom span distance(meter)
6
7.5
8
9
9
9
9
9
Working height of racking platform
17.5
16.5
26.5
25.5
24.5
26.5
25.5
24.5
26.5
25.5
24.5
26.5
25.5
24.5
26.5
25.5
24.5
26.5
25.5
24.5
26.5
25.5
24.5
Setback capacity
2500
4000
5000
6050
6500
7280
7280
9200
Height of A-frame(meter)
5
7.565
7.2
7.5
7.9
9.4
9.4
8.0
Anti-wind capacity
Non-working state£¨without setback and hooking load£©KM/h
172
180
180
180
170
172
172
172
Non-working state£¨Full of setback and without hooking load£©KM/h
130
130
130
130
130
130
130
130
Lift and release mast KM/h
30
30
20
20
30
30
30
30
Weight(Kg)
25640
36963
37420
47193
51540
72967
93440
120150

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