Test Bench for Brake Cylinders

DESCRIPTION

This test bench is capable of performing all necessary tests and in automatic mode. Only some of these tests require operator interaction to control the self-adjusting device of the brake blocks, the wear compensation device, and the parking brake release. For these operations, the equipment requests the operator intervention by triggering an optical and audible signal.

The management and monitoring software is intended to run all tests and manage the equipment until the test certificate is issued.

The equipment is made from a sturdy metal structure coated with sheet metal panels.

The single-phase power supply is 230V 50Hz, the internal distribution is 24Vcc and the entire electrical system is isolated within the equipment.

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Reduction Gear Test Bench

Description

This is a rotary test bench for reduction gears, which can be used manually or automatically.

The machine is placed inside a soundproof cabin that is closed when the test is performed and insulates the sound, increasing the safety of the operator.

It is possible to include a vibration monitoring system that will be installed on the ground, consisting of a dual channel converter that analyzes the conditions of the bearing by sending pulses of 4 to 20 mA to the transducer, which are proportional to the absolute maximum value of the pulses measured on the bearing.

An additional solution to this vibration monitoring system is the Shock Pulse Method (SPM). This will measure the wave amplitude that grows if the surface of the bearing is under stress or damaged. It also varies with the speed of rotation, being able to do a complete examination of the condition of the bearing.

The reduction gear test bench is capable of carrying out tests in two different ways:

  • MANUALLY: In this mode the operator can use specific commands to choose the range of revolutions, direction of rotation, speed and maximum torque applied.
  • AUTOMATICALLY: In this mode the operator can select the test cycles that are recorded and stored in the system memory.

In both types, the system monitors the test, checking that all parameters are kept within allowable limits, triggering alarms if necessary. There are two types of alarms:

  • Warning: This indicates that some parameters have been exceeded.
  • Locking: It isolates the system if a specific parameter has been exceeded.

The values are displayed in real time and the results and graphs obtained can be saved, creating a historical data file.

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Battery Charge/Discharge Bench

DESCRIPTION

The charging and discharging system consists of a stainless steel bench together with a station for charging alkaline and lead batteries for trains.

The battery charging and/or discharging is carried out placing the battery packs in an externally vented box.

For this type of batteries, it can be defined a range of 0 to 34 VDC and 0 to 60 A of current in charge mode, and 0 to 25 A in discharge mode. A microcontroller, equipped with a 5-inch touch screen, guides the charging and discharging operations.

The software can control the charging and discharging processes with the automatic cycle indicated in the battery specifications. All parameters, voltage, current and charging/discharging time are entered to customize the cycle. Any charging and/or discharging cycle can be defined by the user.

The battery charging and discharging system consists of:

  • A cabin with air extraction for the charging/discharging process.
  • A power generator installed in a stainless steel cabinet that powers the battery bench.

In discharge mode, the battery voltage is controlled so that it does not fall below the default values, and the supplied current is always monitored.

The machine is equipped with sensors that detect any abnormal gas inside the box. These sensors trigger an alarm that starts the ventilation to remove the gas through the piping of the machine.

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