Tripper Conveyor – Travelling Discharge Along the Belt Line

Tripper car and discharge chute on a belt conveyor

PRO MAKINA

Task
Selectable discharge along the line
Conveying element
Main belt conveyor
Moving unit
Rail-mounted tripper car
Destination
Silo, bin or stockpile

Overview

Distribution from One Belt Conveyor to Several Points

A tripper conveyor consists of a belt conveyor and a tripper car that travels on rails along the conveyor frame. The belt is lifted over pulleys on the car and turned back; at this point the material leaves the belt and is discharged downwards through the car's chute.

As the car travels along the line, the discharge point moves with it. A single conveyor line can therefore feed the silos, bins or stockpile bays arranged beneath it, in sequence or selectively.

The tripper car does not carry the material itself; conveying is done by the main belt conveyor. Belt route and pulley arrangement, car frame and travel drive, position sensing, cable handling and safety equipment are designed together.

01Process Flow

Tripper Conveyor Material Flow

The diagram shows the typical flow in which material is carried by the main belt conveyor and distributed via the tripper car to the selected discharge point.

Tripper conveyor material flow diagramMaterial line: main belt feed, tripper conveyor, discharge chute, selected silo or bin.MATERIAL LINE1Main feedFeed point2TRIPPER CONVEYORbelt · travelling car3Discharge chuteOn the car4Silo / binDistribution along line

Scroll horizontally to view the full diagram.

Material line

  1. 1

    Feeding from the main belt: Material is loaded onto the main belt conveyor at the feed point.

  2. 2

    Transport on the belt: The main belt carries material along the line to the tripper car.

  3. 3

    Discharge over the tripper: The belt rises over the car; material falls into the discharge chute.

  4. 4

    Distribution to the selected point: Depending on car position, material drops into the chosen silo, bin or bay.

The discharge point is determined by the car position; position sensing and travel control can be connected to the automation system.

02Applications

Tripper Conveyor Applications

Galleried belt conveyor and tripper unit above silos01

Multi-Silo Feeding

Feeding each silo in a row separately with a conveyor line running above them. The car position is set for the selected silo.

Storage and Feeding Systems
Long belt conveyor line in an enclosed storage hall02

Storage Hall Distribution

Spreading granular fertilizer or similar bulk product into different bays of an enclosed storage hall. Chute and skirt design are important for spillage and dust.

Fertilizer Plants
Tripper belt conveyor above a row of bins03

Bin Line Feeding

Feeding a row of bins ahead of the process as required. The tripper car can be controlled to change the discharge point based on level signals.

Bunkers and Hoppers

03Design & Manufacturing

Custom Tripper Conveyor Design

PRO MAKINA engineers tripper conveyors around the number and position of discharge points, travel distance and the capacity of the main conveyor. Belt arrangement, car frame, travel drive, discharge chute and control system are designed together.

  • Line layout for discharge points
  • Rail-mounted car and travel drive
  • Position sensing and control
  • Cable handling and safety

Process Design Data

  1. 01

    Discharge Points

    Number and position of silos, bins or storage bays.

  2. 02

    Travel Distance

    Total car travel and conveyor length.

  3. 03

    Material and Capacity

    Material type, density, particle size and hourly capacity.

  4. 04

    Belt and Car

    Belt type, pulley arrangement, car frame and travel mechanism.

  5. 05

    Automation and Safety

    Position sensing, level signals, cable handling and safety devices.

Car speed, travel drive power and belt properties are defined from project data; no generic values are stated on this page.

04FAQ

Tripper Conveyor FAQ

How does a tripper car work?

The belt is lifted over pulleys on the tripper car and turned back. Material leaves the belt at this point and is discharged through the car's chute. As the car moves, the discharge point changes.

Does the tripper car carry the material?

No. The main belt conveyor carries the material; the tripper car is only the moving unit that shifts the discharge point along the line.

How is the discharge point selected?

The car can be positioned manually or by automation. With position sensing and silo level signals, the discharge point can be selected automatically.

Can a tripper be added to an existing belt conveyor?

The existing frame, belt type, pulleys and line geometry are reviewed; suitability is decided for each project.

What information is needed for a quotation?

Number and position of discharge points, conveyor length, material type and capacity, belt data and the required control method.

05Resources

Related Machines and Plants

Technical Quotation

Request a technical quotation for a tripper conveyor

Share your discharge points, conveyor length and material data, and we will define the tripper conveyor system together with you.

Information Needed for a Technical Quotation

  • Number and position of silos / bins
  • Conveyor length and car travel
  • Material type and density
  • Hourly capacity (t/h)
  • Existing belt data (if any)
  • Required control method
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