​Hydraulic conductor tensioners

SA-YQZ Hydraulic Tensioner

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SA-YQZ Hydraulic Tensioner

The machine is suitable to string various conductor,earthwires,OPGW optic cable compounded earthwire and ADSS self-stand optic cable etc.The bull-wheel grooves are made up of high resistance interchangeable nylon sectors.

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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.

Performance

SA-YQZ40C		SA-YQZ40D		SA-YQZ60
Max tension / Max pull	40kN/40kN	Max tension / Max pull	40kN/40kN	Max tension / Max pull	60kN/60kN
Continuous line pull / tensioner (kN)	35kN/35kN	Continuous line pull / tensioner (kN)	35kN/35kN	Continuous line pull / tensioner (kN)	55kN/55kN
Max speed	5km/h	Max speed	5km/h	Max speed	5km/h
Note:the basic machine performance is calculated at 20°C and at sea level

Characteristics

SA-YQZ40C		SA-YQZ40D		SA-YQZ60
Bull-wheel diameter	1200mm	Bull-wheel diameter	1200mm	Bull-wheel diameter	1500mm
Max conductor diameter	32mm	Max conductor diameter	32mm	diameterMax conductor diameter	40mm
Mass	3600kg	Mass	3600kg	Mass	4800kg
Dimensions	4170x1850x2400	Dimensions	3600x1850x2400	Dimensions	5500x1890x2400

Engine

SA-YQZ40C		SA-YQZ40D		SA-YQZ60
Engine	Deutz F4L912(import)	Engine	Cummins 4BT3.9(Dong Feng)	Engine	Deutz BF4L914(import)
Diesel	51 Kw/2500 rpm	Diesel	60 Kw/2000 rpm	Diesel	82.5 Kw/2500 rpm
Cooling system	Air	Cooling system	Air	Cooling system	Air
Electrical system	12V	Electrical system	12V	Electrical system	12V

Main component

Main pump	Rexroth(BOSCH)
Main pump	Rexroth(BOSCH)
Reducer	RR(Italian)
Radiator	AKG
Hydraulic instrument	WIKA
Hydraulic valve	Rexroth(BOSCH)

Hydraulic Transmission
Hydraulic open circuit that provides very sensitive tensioning control and negligible deviations of tension in case of speed change.

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 and easy to transport.

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

Working pictures:

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