SHD1900-1100/3000 Quick Response Hydraulic Dynamometer
Introduction
SHD hydraulic dynamometer drives the rotor synchronously through
the coupling and agitates the water in the working chamber.
Resulting from the rotor rotating centrifugal force, and the role
of rotor pits, water between the side of the shell produce strong
water vortex, it produces rotational torque. The torque of the
engine is transferred from the rotor to the housing, the power arm
mounted on the housing will follow the rotation angle.
The size of braking torque is displayed by electronic digital
display device.
Dynamometer through the electric drain valve control butterfly
valve opening, or through the automatic regulating device to
control the drain actuator, by the drain actuator control butterfly
valve opening, to change the dynamometer working chamber water
pressure size to change the size of the absorbed power. The braking
torque is then transmitted to the pressure sensor connected with
the brake arm. The size of braking torque is displayed by
electronic digital display device.
The dynamometer controls the opening of the butterfly valve through
the electric drain valve, or through the automatic regulating
device to control the drainage actuator. The opening of the
butterfly valve is controlled by the drain actuator. The absorbed
power can be changed by the pressure of water in the working
chamber of dyno. At the same time, the speed of dynamometer can be
measured by speed sensor, displayed it on an electronic display
device. Since it is a pressure-controlled hydraulic dyno, and by
changing the opening of the butterfly valve to adjust the pressure
of the working chamber. The whole process must be an automatic
closed-loop control system. Therefore, the pressure dynamometer
must be equipped with an electric control cabinet with automatic
control function.
SHD series hydraulic dynamometer has 12 specifications, which are
controlled by electric drainage butterfly valve. By changing the
opening of the butterfly valve to change the size of the absorption
power. Braking power range from 20kW to 5900kW.The product can be
used to test the effective power of various diesel engines,
gasoline engines, motors and other power machines. It is an
indispensable equipment in the test of power machine and the
efficiency test of transmission machinery.
The product is single direction test, if the user needs to
two-direction test when ordering, please put forward the
requirements, we will give special customization.
Technical specification
| Item | Sensor | Measuring range | Accuracy |
| Rotated speed | ZSB Magneto electric speed sensor | 300-7500r/min | ±1r/min |
| Torque | Strain gauge pressure sensor | Match the range of dynamometer | ±0.2%F.S |
| Water valve position | Precision potentiometer (DPF, SHDZ60 water gate actuator) | 0-100% | 0.2%F.S |
| Throttle position | Precision potentiometer (SHDZ60, SHDZ60A throttle actuator) | 0-100% | 0.2%F.S |
