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The complete assembling hydraulic actuator ELMO-GM 17x4/35
PURPOSE: The hydraulic actuator ELMO-GM 17×4/35 is intended for subpressing of power transformers’ windings during service and repair works.
The hydraulic actuator ELMO-GM 17×4/35 provides:
- required specific pressure on the transformer’s winding being subpressing with providing of exact calibration of necessary technological effort;
- holding (keeping) the winding in the tense state during the required time at the steady-state actuating force from the power hydrocylinders of the hydraulic actuator;
- choice of the technological effort required value which depends on pressure value and which is monitoring on a manometer.
Name ELMO-GM 17×4/35 interpretation:
ELMO – means wiring equipment;
GM – means assembling hydraulic actuator;
17 – technological effort created by one power hydrocylinder, t;
4 – number of the power hydrocylinders in the actuator;
35 – technological pressure in hydraulic system, MPa.
The hydraulic actuator ELMO-GM 17×4/35 contains a pump unit YGр3/50-15/1 (1 item on fig.1), 4 power hydrocylinders SGv 17/35 (11 – 14 items), 5 pump high pressure hoses RVD 6/40 (5 – 9 items) and distributing collector (10 item).
Figure 1 – Layout chart of the hydraulic actuator ELMO-GM 17×4/35
1 – the pump unit YGр3/50-15/1; 2 – drain valve; 3 – manometer;
4 – connecting pipe; 5…9 – pump high pressure hose Dy6 (Py 40 MPa);
10 – distributing collector ; 11…14 – power hydrocylinders SGv 17/35.
The pump unit YGр3/50-15/1
YG – type of the pump unit;
р – manual drive;
3 – useful displacement at pressure from 0 to 50 MPa, sm³;
50 – maximum working pressure, MPa;
15 – useful displacement at pressure from 0 to 1 MPa (less then 10kg/sm² ), sm³ ;
1 – idling working pressure, MPa;
Dry weight of the pump unit is 9 kg.
The power hydrocylinder SGv 17/35
SGv – a power hydrocylinders with a forcing screw;
17 – rated operating effort, t;
35 – rated pressure, MPa;
Weight of the power hydrocylinder is 5 kg;
Piston stroke is 38 mm;
Thread of screw is 30 mm;
Tilt angle of back-up plate is 5о.
The power hydrocylinder structural features:
- The forcing screw placed in the piston lets do away the gap between the back-up plate of the hydrocylinder and an object.
- The power hydrocylinder equipped with floating bearing which leads to decreasing of radial loading on piston during off-axis loads.
- Concentric heat-treated riffles on the back-up plate surface protect load from sliding.
- The power hydrocylinder works in horizontal and vertical directions.
- The power hydrocylinder works from the pump unit with manual drive.
STANDARD DELIVERY SET
| Nomenclature | Purpose | Quantity |
| The pump unit YGр3/50-15/1 | Providing of necessary specific technological effort in pump fluid of hydraulic system from 0 to 50 MPa | 1 |
| The power hydrocylinders SGv 17/35 | Providing of necessary technological effort | 4 |
| Pump high pressure hose (Dу6) Ру 40 MPa, l=4 m | Pump fluid feed from the pump unit to the distributing collector | 1 |
| Pump high pressure hose (Dу6) Ру 40 MPa, l=8 m | Pump fluid feed from the distributing collector to the power hydrocylinders | 4 |
| The distributing collector | Distribution of pump fluid to the power hydrocylinders | 1 |
| Spare parts, tools and accessories set | 1 |