Call: +(86) 137 7712 9988
Office Location:

​No.789 Xiaying Road, Ningbo, Zhejiang China

Leading Industry:

Power Line Tools

Leading Industrial:

In China

SA-YZ4x50 Hydraulic Tensioner

SA-YZ4x50 Hydraulic Tensioner

The machine is suitable to string one to four ropes or bundled conductors with four pairs of bull-wheels with completely independent controls.
The bull-wheel grooves are made up of high resistance interchangeable nylon sectors.
The machine is completely electronically controlled.

​About E-Grid

​Ningbo Eastern Grid Power (E-Grid) is China leader in designing, manufacturing and supplying hydraulic brake tensioners for stringing operations, ideal to allow operations to be carried out with the highest accuracy, speed and safety.

Description
Performance

Max tension:4X50Kn or 2x100kN
Max speed:5km/h
Note:the basic machine performance is calculated at 20°C and at sea level

Characteristics

Bull-wheel diameter:1600mm
Max conductor diameter:40mm
Mass:11500kg
Dimensions:4700x2350x2800

Engine

Diesel:82 Kw/2500 rpm
Cooling system:Air
Electrical system:12V

Main component

Engine:Deutz air-cooled diesel engine
Main pump:Rexroth(BOSCH)
Main motor:Rexroth(BOSCH)
Reducer:RR(Italian)
Radiator:AKG
Hydraulic instrument:WIKA
Hydraulic valve:Rexroth(BOSCH)

Hydraulic Transmission

2 Hydraulic half-closed circuit that provides very sensitive tensioning control and negligible deviations of tension in case of speed change.
The machine is provided with tension pre-setting system.

Feature

1.Two Hydraulic half-closed circuit that provides very sensitive tensioning control and negligible deviations of tension in case of speed change.
2. The machine is provided with tension pre-setting system.
2. Bull wheel with wear proof MC nylon lining segment
3. Closed hydraulic circuit and bi-directional variant plunger pump .infinitely variable pull/tension control
4. Rexroth pump and motor, Italian RR reducer ,model C attached reel winder .
5. Spring applied hydraulic released brake, overload protection is on the safe side and easy operation.
6. There is a hydraulic circuit for drive , matching DW2240 A reel stand
7. Negative self-acting hydraulic brake, in case of hydraulic failure ensure to safety.
8.Hydraulic dynamometer with set-point and automatic control of maximum pull, automatic overload protection.
9.Hydraulic oil cooling system
10.Mechanical meter counter.
11.Hydraulic power pack to control 1 drum stand with hydraulic motor or 1 reel winder.
12.Gearbox with 3 operating positions:
–neutral position(with free bull-wheels for conductor loading and unloading)
–Low tensioner position.
–nominal tension position
13.Mechanical actuated front plough stabilizer.
14.Grounding device on board.

Structure

Trailer type structure, rigid scaffold, attractive appearance.

Remarks

We can supply all kinds of stringing equipment according to customers’ requirements.

Working pictures:
SA-YZ4x50 Hydraulic Tensioner
SA-YZ4x50 Hydraulic Tensioner