Backhoe loaders are highly versatile pieces of construction equipment. They combine the functions of a loader at the front and a backhoe at the rear. The front loader bucket, attached to strong lift arms, can scoop up and transport materials like soil, gravel, and debris with ease. Meanwhile, the rear backhoe, with its extendable boom and digging bucket, is capable of excavating trenches, foundations, and holes. Powered by a reliable engine, they offer good mobility and can work on various terrains. The operator's cab is designed for comfort, providing clear visibility and ergonomic controls, making them suitable for a wide range of small to medium-sized construction projects.
| Performance parameters of backhoe loader | ||
| Description | Specifications | Unit |
| Bucket capacity(heaped) | 1.0 | m3 |
| Digger capacity | 0.3 | m3 |
| Dumping clearance | 2650 | mm |
| Dumping reach | 930 | mm |
| Max.steering angle | ±35 | º |
| Max.steering angle of dig working device | ±85 | º |
| Traceing speed l/ll/lll/IV | 0-6.2/0-12/0-20/0-30 | km/h |
| Back l/ll speed | 0-8/0-28.5 | km/h |
| Diesel Model | YC4A110-T310/YC4B90-T20 | |
| Modality | Four-stroke water-cooled inline/four-stroke water-cooled inline | |
| Rated power | 73.5 (turbo)/65 | kW |
| Rated speed | 2200 | r/min |
| Wheel base | 2600 | mm |
| Tread | 1700 | mm |
| Tires | 16/70-24 | |
| Max.digging depth | 4400 | mm |
| Max.digging radium | 5471 | mm |
| Overall dimensions(LxWxH) | 8000x2310x3424 | mm |
| Operating weight | 9500 | kg |
1. The chassis of a backhoe loader is the main structural support. It's usually a heavy-duty, welded steel frame that provides stability and strength. The frame is designed to withstand the forces exerted during both loading and digging operations.
2. Bucket: The front loader bucket is a crucial component. It's typically made of high-strength steel and comes in different shapes and sizes.
3. Lift Arms: The lift arms connect the bucket to the front of the chassis. They are powered by hydraulic cylinders that allow the bucket to be raised, lowered, and tilted.
4. Hydraulic Cylinders for Loading: These cylinders control the movement of the lift arms and bucket. By pressurizing hydraulic fluid, they can extend or retract, allowing for precise control of the bucket's position.
5. Boom: The backhoe boom is an extendable arm that projects from the rear of the machine. It's made of heavy-steel tubing and is usually hinged to allow for vertical and horizontal movement.
6. Stick (Arm): The stick, or arm, is attached to the end of the boom and provides additional flexibility in digging. It's also made of strong steel and is connected to the digging bucket.
7. Digging Bucket: The digging bucket at the end of the stick is designed for various types of soil and material excavation.
8. Hydraulic Cylinders for Digging: These cylinders are responsible for the movement of the boom, stick, and bucket in the backhoe assembly.
9. The engine is the power source of the backhoe loader. It's usually a diesel-powered engine, known for its high-torque output.
10. The operator's cab is designed to provide a comfortable and functional workspace. It's equipped with an ergonomic seat to reduce operator fatigue during long-working hours.
11. The axles connect the wheels to the chassis. The front axle is often designed to handle the loads and forces exerted by the front loader, while the rear axle supports the backhoe operations.
1. Digging Depth and Reach: Determine the maximum digging depth and reach you need for your projects.
2. Loader Bucket Capacity: Consider the volume of materials you'll be loading. The loader bucket size can vary, and you should choose a capacity that matches the amount of soil, gravel, or other materials you'll handle.
3. Versatility: If you require a machine for a wide range of tasks such as excavation, loading, and light demolition, a backhoe loader with interchangeable attachments (like different buckets, hammers, etc.) is a good choice.
4. Frequency of Use: For occasional use, a more basic model might suffice. But for heavy - duty, daily use, you'll need a more durable and powerful backhoe loader.
5. A more powerful engine provides better performance for digging and loading. Look for an engine with sufficient horsepower and torque to handle the toughest materials and terrains.
6. The hydraulic system is crucial for smooth operation. Check the flow rate and pressure of the hydraulic pump.
7. Consider the overall size and weight of the backhoe loader. A compact model might be better for working in tight spaces or on small job sites.
8. If you'll be working on rough, uneven terrains like construction sites or farms, a backhoe loader with good ground clearance and strong tires or tracks is necessary.
9. In urban or confined work areas, a backhoe loader with a small turning radius and compact dimensions is beneficial.
10. A comfortable cab with an ergonomic seat, good climate control, and low noise and vibration levels reduces operator fatigue.
The most distinctive feature of a backhoe loader is its combination of a front-end loader and a rear-end backhoe. The front loader is designed for scooping and transporting materials such as soil, gravel, and debris.
Backhoe loaders are highly versatile due to their ability to use a wide range of attachments. In addition to the standard loader bucket and digging bucket, they can be equipped with attachments like hydraulic hammers for demolition work, augers for drilling holes, and pallet forks for material handling.
These machines typically have a relatively compact design, which gives them excellent maneuverability. They can operate in confined spaces such as urban construction sites or small farms.
A well-designed hydraulic system is a key feature of backhoe loaders. The hydraulic system powers the movements of the loader's lift arms and bucket, as well as the backhoe's boom, arm, and bucket.
The operator's cab of a backhoe loader is designed with the comfort and convenience of the operator in mind. It offers a good view of both the front-loading area and the rear-digging area through large windows and well-placed mirrors.
Backhoe loaders are built with a heavy-duty frame and components to withstand the rigors of heavy-duty work. The loader bucket, backhoe boom and arm, and other structural parts are made of high-strength steel to resist wear and tear.
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