One of the most famous and easily recognized vehicles utilized in construction projects, is the dump truck. Around the world, you will find dump trucks. The hauling of materials is necessary in the construction industry. This construction equipment comes in huge and daunting sizes. Learn about the 6 dump truck mechanical systems & how they work.
Dump Truck Bed
The dump bed allows for the consolidation of loose materials. By utilizing a hydraulic lift, the operator can raise and lower the dump bed. The fluid contained within the hydraulic system is incompressible. This allows for the raising and lowering of the dump truck bed.
Power Take Off (PTO)
Allows for the transfer of power to an implement or separate machine. This transfer of power is how the dump truck driver can raise and lower the dump truck bed.
Dump Truck Steering
For the significant part, the standard dump truck operates just like every other vehicle. The basic dump truck as two axles, the front steering axle and the rear axle. Two axles only allow for light weight hauling and small volume of material transfer. To haul additional tonnage and volumes of materials, dump trucks add more wheels/axles. The additional axles allow for the displacement of additional tonnage over the roadway surface. Dump truck axles can be steerable or non steerable. A steerable axle allows for the wheels to turn in the direction of the truck. A non-steerable axle only works in straight line driving.
Dump Truck Engine
Dump truck engines, come in a variety of applications, including gas, diesel, electric and propane. We will focus on basic diesel engine operation. Diesel engines work by air compression. The process of air compression raises air temperature, this occurs in the engine cylinder, where diesel fuel can be combined. The combination of air and diesel will achieve combustion. Combustion causes the downward stroke of the piston. Numerous pistons working in this manner provide for crankshaft rotation. The crank shaft is the centralized power of the diesel engine.
Dump Truck Transmission
We will focus on the two basic types of transmissions, automatic and manual.
The automatic transmission is a self shifting transmission, which frees the driver from having to shift the gears manually. This is accomplished with a torque converter. This is fluid coupling which uses a separate pump within the transmission housing. As the transmissions spins the torque converter hydraulic pressure is developed in the transmission. Through a series of valves, the hydraulic pressure is directed to clutches and gears housed in the transmission case.
The manual transmission is driver-operated with a clutch, engaged and disengaged by a foot pedal or hand lever. The transfer of torque power from the engine is accomplished with a gear selector. The gear selector is operated by hand. The need for foot and hand coordination is key for the proper use of a manual transmission.
Dump Truck Brakes
There are two types of dump truck braking systems, hydraulic and air:
The hydraulic braking system works in an arrangement of where foot application directs pressure to a brake cylinder. This pressure is accomplished with cylinder, piston and brake fluid. As you apply foot pressure you push the piston in the cylinder. This increases the fluid pressure is directed to the brake pads or brake discs. As the brake pressure increases, the brakes apply friction to the brake drum or disc. This allows for the speed reduction of the dump truck.
The air brake system uses compressed air. Foot pedal action from the driver regulates the compressed air. Increased brake pressure applies friction to the dump truck brake drum or brake disc.
Why I Need A Dump Truck?
The removal of large volumes of material require a dump service. Dump truck services allow for the relocation of larger quantities of material in an efficient manner.
4 Reasons To Hire Dump Truck Service
Bulk delivery of landscape materials can save you money.
Construction Material Delivery
Delivery of large volumes of material can reduce costs with the use of a dump truck service provider.
Removal Of Site Materials
If you have just dug a pond or added a building, you usually collect surplus site materials. Often times, the removal of site materials is a must for continued project progress. With dump trucks you can efficiently and economically remove the materials from your job site.
Dump trucks allow for local jurisdictions to remove snow from areas to improve traffic flow for it’s citizens.
Dump Truck Hauling Options
The first way is by the hour. You contact the the dump truck service provider and he will provide the truck and driver for an hourly rate. This can include the travel time to and from the job site. This option can reduce efficiency. The service provider/driver lacks incentive. As an hourly hire the lack of incentive does not motivate the movement of materials. The longer time on the job the more money. That brings us to the second option, you pay by the sump truck load. This options incentives the service provider/driver. The more loads hauled each day, the more it pays. This works toward the favor of the customer, more loads hauled each day.
Dump Truck Hauling Services Near Me
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