IMPLEMENTATIONS COMPLETED

Double-drum hoisting machine for Kazzinc TOO. Kazakhstan

Contract: “Technical task for the development of design and construction documentation, manufacture and delivery of a 2Ц-4.0х1.7/AC-6m/s mining hoisting machine for Kazzinc TOO, Republic of Kazakhstan” implemented as a turnkey project.

Scope of the project

replacement of the hoisting machine 2Ц-4.0х1.7/AC-6m/s,
replacement of the “ШАСС Микон” shaft signalling and communication system,
development of technical documentation for the entire scope of the task,
production and supply of hoisting machine components and shaft signalling and communication equipment,
supervision of the installation of the hoisting machine,
procedures related to the approval of equipment for use in the operation of a mining plant and obtain a Certificate of Conformity of products in the Eurasian Customs Union,
start-up of the supplied equipment.

2Ц-4.0×1.7/AC-6m/s hoisting machine

The 2Ц-4.0×1.7/AC-6m/s hoisting machine is a component of a mining shaft hoist, designed to transport people and materials. The machine is housed in the hoisting machine building at the shaft hoist entry level.

The hoisting machine in the mechanical part is built of the following components:

main shaft unit, comprising:
- hoisting drums: fixed and loose,
- main shaft,
- plain bearings,
- lubrication unit,
- loose drum decoupling system,
brake, comprising:
- columns with brake cylinders,
- electrohydraulic control and power unit,
- additional oil flow forcing system,
driving unit, comprising:
- drive motor,
- flexible coupling,
- toothed gear,
- gear coupling,

In the electrical part, the hoisting machine consists of the following components:

converter transformers,
frequency converters,
power and control cabinets of the hoisting machine,
control station of the hoisting machine together with a SCADA visualisation and control system computer,
additional external equipment.

Technical parameters of the type 2Ц-4.0×1.7/AC-6m/s hoisting machine:

number of hoisting drums	2
diameter of the cable winding on the drum	4000 mm
width of the cable winding zone on the drum	1700 mm
motor power	400 kW
maximum travel speed	6 m/s
maximum cable breaking load	1200 kN
the number of layers of cable wound	1
number of pairs of cylinders	4
type of brake cylinders	BSFG 408-A00-02-00