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Grab two-maxillary one-rope (two-maxillary ladle) – Plasma Company Ltd. | all.biz
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Grab two-maxillary one-rope (two-maxillary ladle)
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Grab two-maxillary one-rope (two-maxillary ladle)

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Ukraine, Kharkov
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Description

Grab two-maxillary one-rope (two-maxillary ladle)

- it is a kind of cargo capture which is applied during the loading and unloading works with lumpy and bulks (sand, slag, crushed stone, gravel, coal, etc.). It is applied on goat, bridge and tower cranes, and also on excavators instead of a usual ladle.

The one-rope grab is the grab having one rope. The running cycle of the device - a zacherpyvaniye, lifting of loads, disclosure of jaws and lowering of the grab is conducted by one rope working from one winch. The main advantage of the one-rope grabs allowing to use one-drum drives of load-lifting mechanisms (truck crane) consists in it. The one-rope grab is hung directly on a hook of the load-lifting mechanism and is quick-change load gripping adaptation. By means of the one-rope grab perhaps on the existing load-lifting equipment to mechanize loading and unloading works on transportation of loose freights.

By the principle of opening of jaws one-rope grabs are divided into several systems:
1. Grabs which jaws open at a contact of a basic surface.
2. Grabs which jaws open at any height (within the course of a hook of the load-lifting mechanism) by means of the rope or operated switching-off device.
3. Grabs which jaws open at a certain height by means of a suspended bell.
Two last systems have remote control, demanding separate mechanical communications (ropes, etc.) that is an essential shortcoming.
Grabs which jaws open at a contact of a basic surface are subdivided into two subsystems:
1. Grabs with the falling lever.
2. Grabs with the compensating drum (the main shortcoming - complexity of a design and the subsequent repair).

Technical characteristics of two-maxillary one-rope grabs:

Standard size / p, t Settlement volume, m ³ Mass of freight, t Density of freight, t/m ³ Mass of the grab, t
DG2-0,5-C3-1k-0,1 0,5 0,1 0,2 1,6-2,0 0,3
DG2-1-L2-1k-0,35 1,0 0,35 0,35 0,8-1,0 0,41
DG2-2-C3-1k-0,5 2,0 0,5 1,0 1,6-2,0 0,88
DG2-3,2-C3-1k-0,8 3,2 0,8 1,6 1,6-2,0 1,0
DG2-5-C3-1k-1,0 5,0 1,0 2,0 1,6-2,0 1,5
DG2-5-T1-1k-1,0 5,0 1,0 2,5 2,0-2,5 1,8
DG2-5-C3-1k-1,5 5,0 1,5 2,7 1,8 1,8
DG2-10-C3-1k-2,5 10 2,5 5,0 1,6-2,0 3,2
DG2-12-C3-1k-3,0 12 3,0 6,0 1,6-2,0 6,0
DG2-15-S1l-1k-7,0 15 7,0 7,0 1,0 8,0


Delivery of two-maxillary one-rope grabs with the following technical characteristics is also possible:

  • 5-C3-1k-V-1
  • DG2-5-C2-1k-V-1
  • DG2-5-C3-1k-V-1
  • DG2-5-T2t-1k-V-1
  • DG2-8-C3-1k-V-1,5

5-C3-1k-V-1
It is intended for loading and unloading of loose and melkosypuchy materials with a volume weight up to 2000 kg/m ³ Management is made directly by the crane operator. Ease of management is caused by a special design of the one-rope grab, do not demand an additional zapasovka of a rope (are hung on a crane hook), are quick-change load-lifting body, are suitable for an overload of materials according to the scheme: car warehouse. The grab one-rope has the big geometrical capacity, and also big mass of the scooped freight that allows to save operating time significantly.

Key parameters and sizes of the grab 5-C3-1k-B-1:

Loading capacity of the crane, t 5,0
Number of ropes of the grab 1
Diameter of a rope, mm 18
Frequency rate of a polyspast 2
Settlement volume, m ³ 1
Bulk density of freight, t/m ³ 1,6-2,0
Admissible weight zacherp. freight, t 2
Mass of the grab, kg 1600
Number of jaws 2
Group of freight in accordance with GOST 24599-87 C3
Height, mm:
Open 2770
Closed 2370
Length, mm:
Open 2220
Closed 1720
Width, mm 1480

DG2-5-C2-1k-V-1
The grab two-maxillary one-rope for an overload of construction materials DG2-5-C2-1k-V-1 of plaster, lime, salt, sulfur.
Appointment: an overload of plaster, lime, salt, sulfur according to the scheme the car warehouse.

Key parameters and sizes of grab DG2-5-C2-1k-V-1:

Loading capacity of the crane, t 5,0
Number of ropes of the grab 1
Diameter of a rope, mm 18
Frequency rate of a polyspast 3
Settlement volume, m ³ 1
Bulk density of freight, t/m ³ 1,25-1,6
Admissible weight zacherp. freight, t 1,6
Mass of the grab, kg 1200
Number of jaws 2
Group of freight in accordance with GOST 24599-87 C2
Height, mm: 2450
Length, mm: 1870
Width, mm 1480

DG2-5-C3-1k-V-1
The grab two-maxillary one-rope for an overload of gravel, sand, slag and crushed stone DG2-5-C3-1k-V-1.
Appointment: overload of gravel, sand, slag and crushed stone.

Key parameters and sizes of grab DG2-5-C3-1k-V-1:

Loading capacity of the crane, t 5,0
Number of ropes of the grab 1
Diameter of a rope, mm 18
Frequency rate of a polyspast 2
Settlement volume, m ³ 1
Bulk density of freight, t/m ³ 1,6-2,0
Admissible weight zacherp. freight, t 2
Mass of the grab, kg 1600
Number of jaws 2
Group of freight in accordance with GOST 24599-87 C3
Height, mm:
open 2770
closed 2370
Length, mm:
open 2220
closed 1720
Width, mm 1480

DG2-5-T2t-1k-V-1
The grab two-maxillary one-rope for an overload of ore, slime DG2-5-T2t-1k-V-1.
Appointment: overload of ore, slime.

Key parameters and sizes of grab DG2-5-T2t-1k-V-1:

Loading capacity of the crane, t 5,0
Number of ropes of the grab 1
Diameter of a rope, mm 18
Frequency rate of a polyspast 3
Settlement volume, m ³ 1
Bulk density of freight, t/m ³ 1,55-2,85
Admissible weight zacherp. freight, t 2,9
Mass of the grab, kg 1750
Number of jaws 2
Group of freight in accordance with GOST 24599-87 T2t
Height, mm:
open 2430
closed 2050
Length, mm:
open 2560
closed 1700
Width, mm
open 1300

DG2-8-C3-1k-V-1,5
The grab two-maxillary one-rope for an overload of bulks DG2-8-C3-1k-V-1,5 of crushed stone, gravel and sand.
Appointment: overload of crushed stone, gravel and sand.

Key parameters and sizes of grab DG2-8-C3-1k-V-1,5:

Loading capacity of the crane, t 8,0
Number of ropes of the grab 1
Diameter of a rope, mm 18
Frequency rate of a polyspast 5
Settlement volume, m ³ 1,5
Bulk density of freight, t/m ³ 1,4-1,85
Admissible weight zacherp. freight, t 2,8
Mass of the grab, kg 2500
Number of jaws 2
Group of freight in accordance with GOST 24599-87 C3
Height, mm:
open 3480
closed 3150
Length, mm:
open 2600
closed 1900
Width, mm 1580
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