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Backhoe Loader Braking System

If we talk about the backhoe loader braking system also, then a lot has been done on this front too.

BHL braking system

Just like your car, BHL also need the brakes to stop its movement. Wondering as to how this happens? How the force is transferred from your leg to the wheels of BHL? How the force is multiplied so that it stops something as big as a BHL? Well, this is achieved through the powerful brake mechanism of the BHL.

These days, BHLs use hydraulically actuated self-adjusting disc brakes to stop the BHLs. Backhoes also feature separate parking brake that is applied with a hand lever by the operator.

The reliability of the complex brake actuation system of BHL depends directly upon the quality of the data and the accuracy of the system designer.

Features of BHL braking system

Some features of hydraulic power braking system in the some of the leading BHLs at present include:

1. Hydraulically actuated 4-wheel braking system

2. Self-adjusting and multi-disc brakes

3. Completely enclosed and sealed system

4. Ensures low effort, effective and fade-free braking

5. Include twin brake pedals which provide tighter turning circle and enhanced steering control on slippery ground

6. Include automatic compensation ensuring straight machine braking

7. Ensures accumulator backup providing maximum safety under all conditions and in the case of dead engine applying 4-wheel braking

8. Makes use of the main hydraulic system oil eliminating the need for a separate brake oil reservoir which also reduces service costs.

9. Have proportional braking effort throughout the pedal travel.

10. For reducing friction and saving fuel, increased back off in the brake packs is included

11. The service brakes are operated by independent foot pedals, joined together for normal operation.

12. Parking or the secondary brakes independent of the service brake system

13. For effective braking, the park brake is always applied to front and rear axles

14. The integral park brake is a ball and ramp, oil immersed type located within the transmission for minimum maintenance and a long operating life. It is over-centre type, adjustable within the cab with transmission disconnect to prevent premature brake pad wear.

All the modern BHLs possess above mentioned features and Mahindra EarthMaster is no less. It features hydraulically actuated, self-adjusting, maintenance free, oil immersed multi-disc services brakes on the rear axle. Its parking brakes are inbuilt on the rear axle and are low-maintenance too.

In a nutshell

Modern braking systems of BHLs are highly sophisticated and their applications are many and varied. It goes without saying that numerous factors affect the functioning of this system in a BHL. So, to achieve maximum efficiency, the BHL operator must have a thorough understanding of all the components. They should carefully study the operating parameters and performance specifications, so as to get good results.

Road Construction Equipment and Their Uses

Proposals ad tenders for construction of National highways and local roads have been passed on the fast track. Many old projects that have been on hold for years have been restarted to push development of world class infrastructure. The government has been working with private players both nationally and internationally to bring the road density across the nation at global standard. While initiatives have been put in place, it is the road construction equipments that will be working round the clock to make these plans a solid reality.

Here is a brief look at the most popular machines use for road construction.

1. Excavators: Depending on the size of the project various excavators are used to take care of all the deign work on the job site. Huge excavators are use for highway and flyover projects while the smaller road construction jobs can manage with backhoe loaders and mini excavators to do the job. Excavators are useful for digging up the land, breaking asphalt, levelling the area, moving the dug debris from one place to another and taking care of certain lifting jobs to. Excavators on a general note are a must have for all sorts of road construction jobs.

2. Motor Graders: These machines are typically used in construction and maintenance of dirt and gravel roads. When constructing saved roads the graders are used to create an even flat surface to lay the asphalt on. they are also use dot set native soil foundation pads to finish grades prior to construction. These days various types and sizes of motor graders are available and used for various road construction jobs.

3. Road Roller: The road roller is basically a compactor use dot compact soil, gravel and asphalt during construction of roads. For larger highways four wheel compactors with a pad foot drum and a blade are likely to be used while the regional roads may see use of a single pad foot drum machine. Road rollers are also used for compacting the land before the asphalt can be laid after the graders have done their work. The rollers are used to press the asphalt in place and bind the various layers of the road together.

4. Asphalt mixing plants: These can vary in size depending on the size of the road construction job in question. These machines are used to manufacture road stone like asphalt, cement and other coated road stones used to make the top layer of the roads both regional and national. The plant is used to create a mixture of cement, stone, soil, minerals, fills etc as per the requirements of the road. Additionally the plant helps keep the mixture hot for use. These are just some of the basic equipments used for road construction which are to play a vital role in turning the India 2020 dream into a reality.

Close Relationship Between Backhoe, Loader and Excavator

Before we get into the close relationship between these three machines lets take a look at what these machines are.

Backhoe: A Backhoe is usually attached to the back of the tractor assembly and the name mostly refers to the movement by which it picks up dirt to get the job done and not its location. Backhoes are usually mounted on tires and have a restricted range of motion at about 220 degrees on the horizontal plane. Unlike the excavator the backhoe has a swivelling chair while the excavator has a swivelling cabin that rotates full 360 degrees.

Loader: A loader is usually attached to the front of the machine and usually loads and unloads dirt in the forward motion unlike a backhoe. Loaders may be mounted on both tires and tracks. Loaders usually have a restricted range of vertical motion that is used for loading and unloading dirt. Loaders are usually used to move stock piled materials. The loader assembly may be removable or permanent.

Excavator: An excavator is a specialised machine mounted on tracks used for excavation. Excavators are available in a variety of sizes but the operating mechanism usually remains more or less the same. Excavators being specialised machines have a 360 degree range of motion. These days smaller excavators called compact excavators are becoming increasingly popular since they have the compact size of the smaller ones and the power of the bigger ones.

Industry insiders are of the opinion that all the three machines are used for similar tasks and the only difference is the machine and its operation system. As a matter of fact operators well versed with backhoes find it much easier to operate the loader and excavator as and when required. The three machines are inherently very different but have enough similarities that knowing how to operate one of these makes it a lot easier to operate the remaining two.

Operators are bound to very comfortable when required to swap between the machines for tasks like digging trenches. While the machines have their similarities and the way the tasks are performed are quite similar, the way each of them is manoeuvred and stabilised is very different.

When compared, backhoes and loaders are different in the sense that backhoes are usually one single unit while the loaders are usually articulated. Due to this difference in the build, both the machines require different skills for manoeuvring and driving them. The operating system for all of these are different and need practice to get accustomed to.

The tasks may be the same, but the machines used to perform these tasks have their own set of similarities and differences making each of them suitable and unsuitable for certain tasks and job sites owing to its size, power and the way it operates.

What is the Difference Between Backhoe and Loader

While some of the functions like moving dirt may be similar, the method and speed of time taken vary by a sizeable margin.

A loader is a heavy equipment used in construction. A loader is also called a bucket loader, front loader/front end loader, shovel loader wheel loader etc. A loader is attached to the front end of the machine on which it is mounted. A loader is used for various moving and loading materials like asphalt, dirt,snow, demolition debris, gravel, logs raw minerals, rock salt, sand wood chips etc.

A loader is a type of tractor usually wheeled and at times tracked. The loader has a square bucket attached to the front at two booms to collect the loose material from the ground and move it from one place to another. A loader is usually used to collect piled material to an awaiting dumbstruck for transportation.

The assembly of the loader may be removable or attached permanently. The bucket can be replaced with other attachments like clamshell buckets, bale grapplers, forklifts etc. Large loaders with only a front bucket are called front loaders while the smaller machines with a small backhoe are called backhoe loaders. A loader is not the best machine for digging since it can not dig very deep below the level of its wheel.

A backhoe loader is also known as a rear or back actor. The backhoe is an excavating equipment digger that has a bucket at the end of a two part articulated arm. The backhoe is usually mounted on the back end of the tractor. It is called backhoe due to its digging motion which is in the backward direction towards the machine unlike the way humans shovel things straight outwards. The backhoe is capable of digging much deeper compared to the loader. It is primarily use for excavations and material handling.

The bucket of the backhoe can be replaced with hydraulic power attachments like the tilt rotator, auger, grapple, breaker etc. The bucket of a backhoe is much smaller compared to that of a loader. While both the backhoe and the loader both move dirt, loaders are usually articulated while the backhoe is one articulated unit. The boom stick and dipper arrangement make it easier for the backhoe to gig deep and with much faster cycles due to its hydraulic power.

While both the machines have their differences, it is when both these machines come together that the much loved backhoe loader takes shape to become one of the most versatile heavy equipment available in the market today.

What is Construction Equipment Management?

Expenses related to construction equipment have a major impact on wether the company’s balance sheet shows profits or losses and in what quantity. Keeping the economic viability of the company in mind managing the construction equipment and the related expenses becomes top priority at construction equipment companies.

Construction equipment management refers to continuous evaluation of the construction equipment fleet and its cost while at the same time considering the projects at hand. The process of balancing the expense and use of the construction equipment against the timelines and income from the projects can be called construction equipment management. A construction equipment manager needs to be able to take practical decisions with regards to management of the construction equipment to ensure maximum benefits with minimal expenses for the company.

Construction equipment should ideally pay for themselves by helping the owner earn more than it costs to own, operate, maintain, store and use the machine. Operation costs are a recurring expense based on frequency of use while idle sitting machines are a drain to the income. Construction fleets should be evaluated continuously to determine wether

> New equipment need to be added to the fleet.

> Equipment or any of its parts need to be replaced.

> If and when under utilised or damaged machines need to be discarded and at what cost.

The choice of construction equipment for a job site is a key factor to be considered for timely completion of the project within the stipulated budget.It is crucial that the construction equipment managers thoroughly understand the tasks that need to be completed, the machines that need to be used, the budget and time constraints for the same for flawless execution of the construction project.

Construction equipment management can either be taken up project wise or for the company as a whole. Cost-effectiveness is a major criteria of construction equipment management. Following are the things to be considered for effective construction equipment management

1. The choice of construction equipment and the number in which each of the equipments is required for a certain project or projects.

2. Wether it makes more sense to own, lease or rent the equipment and its effect on the bottom line of the balance sheet.

3. Planning which equipment will be working on which job site at what time and for how long.

4. Considering the transportation and operating costs when dealing with multiple projects and their time lines.

5. How to make the most of the construction equipment at hand.

6. Another major aspect of effective construction equipment management is preventive maintenance of the construction equipment which can help save a lot of down time, money and reduce delays in the project.

All in all effective construction equipment is the answer to making construction projects more cost effective while ensuring timely completion of projects.

Difference Between an Excavator and Backhoe

Design: The backhoe is pretty much a tractor fitted with a shovel /bucket at front end and a backhoe on the back. the excavator on the other end consisted of a boom, stick, bucket and cabin mounted on a rotating platform. The excavators are more of speciality machines when compared to the backhoe loader which are much more versatile.

Size: The excavators are usually rather large and can weigh upto 90 metric tonnes in the standard category. The mini excavators weight upto 6 metric tonnes while the midi excavators usually weigh anything between 6-10 metric tonnes. The backhoe loaders usually weigh under 10 metric tonnes. Compared to the standard crawler excavator the backhoe loader are relatively much smaller and compact.

Wheels: The backhoe loader usually has tires while the excavator usually has tracks instead of tires. the tracks may be made of metal or rubber depending the size of the machine and requirement of the job site.The wheels of the backhoe loader leave visible tyre tracks and can damage the top layer of the soil while the tracks of the excavator are much easier on the top layer of the soil.

Swing: The excavator has a 360 degree swing while the backhoe loader has a restricted 200 degree swing on the left and right side.

Expense: The owning expense of a standard excavator is much higher compared to the standard backhoe. The storage, transportation, maintenance and renting/ leasing costs follow suit. Using a backhoe usually fits in even the most constricted budgets.

Cabin: The cab of the excavator sits on a rotating platform while the cabin in a backhoe is stationary. The backhoe loader has a swivelling seat to position the operator in the appropriate direction depending on which end of the backhoe is being used.

Transportation: The excavator needs to be transported from one place to another on a carrier vehicle. The backhoe loader on the other hand can be driven at speeds of upto 25 Kmph and transported easily on its own. The transportation costs of the excavator are relatively high when compared to those of backhoe loaders.

Job site management: The standard crawler excavators are better suited for heavy duty work on bigger job sites with sufficient open spaces. The backhoe loaders are usually preferred for relatively smaller and constricted job sites with much less leg room for movement. The backhoe loader are usually preferred for light to medium duty work.

Work profile: Backhoe loaders are usually used for light transportation of building material, construction, small demolitions, excavation, digging trenches and holes, breaking asphalt, paving roads, land scaring etc. The excavators on the other hand are primarily used for excavation jobs. However, with appropriate attachments the excavators can be used for boring, ripping, crushing, ripping and cutting etc.

Best Use of Construction Machinery in Building Project

  • A 4 wheel drive backhoe loader like the Mahindra 4WD can be used to plough landscapes as and when required during the monsoon season in difficult terrains across the country.
  • The extended reach provides the user with 4-5 feet additional reach. It increases the scope of what work can be done with a loader. The extendable dipper helps save time that would usually be used to set up and reset the machine. While the extended dipper comes at a cost, it is well worth the money being shelled out since it saves a lot of time and get work done much faster.
  • While there are specialised machines available for various jobs, none combines the power, reach and speed like the backhoe loader making it a requisite for most job sites.
  • The joystick controls available in most backhoe loader these days make movements more precise, smoother and faster. Whether you are using the backhoe to dig, lift heavy weights or place the weight imprecise locations, the joysticks accomplish work much easier, faster and precisely compared to the old controls.
  • Backhoes are more often than not used for digging, trenching, breaking rock, breaking cement and asphalt, backfilling, compaction etc. The hydraulics of the backhoe loader provide it with the power and precision required for both heavy duty tasks and the intricate ones like digging around utility lines and placing pipes in dug trenches. Be it construction, small demolitions, light transportation of building material, powering building equipment, digging holes/ excavation, landscaping, breaking asphalt, or ping roads, the backhoe loader is up for the task.
  • Backhoe loaders are pretty much the definition of durability and are created to withstand a lot of use, climatic wear and tear in addition to a slight degree to abuse at human hands. The available options of using various kinds of attachments makes the backhoe an all in one machine suitable for all sorts of jobs.
  • Hydraulics of the backhoe are created for power despite its small size. In the hands of a skilled operator the backhoe can easily and quite comfortable so be used for jobs well beyond its specified scope of work.
  • Powered attachments like the breaker, auger, stump grinder can be used instead of the bucket to increase the machine’s utilisation on the job site. Some loader buckets come with retractable clam shells which make emptying loads easier and faster.

Getting to know, using the available features of the machine and getting a little creative is the simplest and the best way to make the best use of your construction machinery in a project.

Different Types of Cranes Used in Construction Industry

Out of all, cranes are the most popular hoisting equipment.

Cranes for hoisting materials at construction sites

Cranes are equipped with a hoist, wire ropes or chains and sheaves which can be used to lift and lower materials and move them horizontally. They are extremely valuable asset for the construction industry because they make working with heavy machinery and materials easy.

Typically, on a construction site, cranes serve two main purposes i.e., help to transport or deliver heavy building materials and supplies from one place to another and lift and place things like heavy steel beams and pre-stressed concrete sections for buildings. They also perform a host of other essential jobsite material handling tasks.

Different types of cranes used in construction industry

Cranes used in construction industry are classified into two main categories i.e., fixed and mobile cranes, both of which have many types. Whereas, in the fixed cranes category, tower cranes are the most popular, in the mobile cranes category, vehicle mounted cranes, rough terrain cranes, crawler cranes and telescopic handler cranes capture the major market share.

1. Fixed cranes: In these types of cranes, the main structure is basically fixed in one place and does not move during the period of use. They are used for carrying greater loads and reaching greater heights.

  • Tower cranes: Fixed to the ground, they are generally used in construction of tall buildings. They are always mounted over a strong concrete pad so that anchor bolts can be embedded into the pad. This helps in holding the tower crane firmly while it lifts the heavy load. Tower cranes can easily reach up to 265 feet and lift load up to 20 tons (approx). For high-end infrastructure projects, tower cranes that can reach up to 800 meters are used.

2. Mobile cranes: They are one of the most basic types of cranes found on a construction site and consist of a truss or telescopic boom mounted on a mobile platform.

  • Vehicle mounted cranes: Sometimes the cranes are mounted on vehicles like trucks to move them easily on the job site. These types of mobile cranes are called vehicle mounted cranes. From the base of the truck, when this crane is erected at the building construction site, outriggers are extended horizontally and then vertically to stabilise the crane during hoisting.
  • Rough terrain cranes: They are mounted on an undercarriage that has rubber tyres specifically used for off-road applications. The outriggers extends vertically and horizontally to stabilise the crane when hoisting.
  • Crawler cranes: They are mounted on a chassis with a set of tracks instead of tyres and do not require outriggers for stability. They have a lifting capacity from 40 to 3500 tons (approx.).
  • Telescopic handler cranes: Having a telescopic extendable boom, these cranes are like forklift trucks. They are often used to handle pallets of bricks and install frame trusses on many new building sites.

Simply put, while there are many types of cranes available in the market, contractors must choose the one which is most suitable for their job site.

List of Equipment Used in Construction

Excavating and loading: Excavating refers to digging the earth and loading refers moving the dug earth form one place to another. The machines usually used are what we call the crane shovel family. These usually have three major components

  • A mounting or carrier as we call it which is used to mount the deck and transport the machine from one place to another. It helps provide stability and mobility to the machine.
  • A revolving deck aka turntable that usually has the operator’s pit containing the control unit.
  • Front end attachments for various functions.

The mountings are usually either crawler, truck or wheel mountings for this family of machines. A tractor with a crawler mounting and an earth moving blade becomes a bulldozer while a bucket assembly attached to the front end makes it a bucket loader. Other types of attachments include a claim shell, crane and hook, dragline, backhoe, pile driver shovel etc., to name a few.

  • Compaction and Grading: Compaction refers to artificially creating higher density soil while grading refer to the final shape and elevation of the earthwork done. Different types of rollers are used to perform various tasks. Towed sheep foot roller, self-propelled tamping foot roller, self-propelled vibratory tamping foot roller grid roller and grid roller to name a few. Motor graders and grade trimmers are usually used for grading and surface finishing on most sites.
  • Drilling and blasting: Rock excavation is usually done by either drilling, blasting or using both in combination. Drilling depends on a lot of variable depending on the type and quality of rocks in question. Drilling usually requires different types of drills like percussion drills, rotary drills or percussion rotary drills. Which drill to be used depends on the site where it has to be used. Blasting usually requires explosives which are exploded in a set way to get the desired results.
  • Lifting and erecting: Tower cranes are used to lift loads to great heights. Horizontal boom type cranes are especially used when constructing high rises while the inclined boom is used to erect steel structures. Then come the derricks which can be either guy derricks or stiff leg derricks depending on the nature of the job site and task at hand.
  • Mixing and paving: Machines used for paving include machines that dispense asphalt, cement and other bituminous materials for pavement surfaces. Concrete mixers are used for construction jobs other than paving. These mixers are used to mix a slurry of cement, sand, gravel and water for construction purposes like making roads and filling slabs in buildings etc. Truck mixers have mixers mounted on a truck, which act as the central plant for manufacturing the mixture for various jobs on the site.

Each of these family of machines occupy a major chunk in the list of equipment used in construction.

Benefits About Backhoe Loaders

ent i.e., tractor, loader and backhoe combined into one unit. All the three pieces of equipment are suited to do various sorts of work.

The backhoe tractor is designed to move easily over the rough terrain. While the loader is attached in the front and is designed to do several tasks like picking and carrying large amounts of loose materials from one place to the other and pushing dirt, backhoe is attached at the back and is used to dig up hard and compact material, usually earth or to lift heavy loads. The backhoe has three segments i.e., boom, stick and bucket.

Primary benefits of backhoe loaders

The tractor is used for moving the other two components from place to place. As for the loader and backhoe, when you dig up a lot of dirt to make a hole, you generally require a loader to either move the dirt out of the area or to fill it back when the work is done. Thus, the most common application of a backhoe loader is digging a trench with the backhoe and then filling it back with the loader.

Apart from performing the above mentioned basic tasks, backhoe loaders have other benefits as well. In fact, backhoe loader is one of the most useful multi-purpose machinery and is known for its versatility on any construction site. While the most common uses of backhoe loaders are digging ditches, laying pipes, planting underground cables or laying the foundation for buildings and drainage systems, with few additional attachments, they can do much more.

Other benefits of backhoe loaders

If an augur is attached to the backhoe, it can be used to drill holes for planting trees, signs and fencing projects in a variety of soil types. By joining a bucket for cleaning the ditch on the rear, grading and slope-cutting can be easily done with the backhoe loader. Asphalt cutter can be attached to the backhoe to repair roads, gas and sewer lines.

Apart from the above, various others attachments are also available which can be easily attached to the backhoe loaders to perform some of the most difficult tasks at the job site such as grabbing objects, dozing or levelling the ground. Thus, backhoe loaders can be put to various uses.

Cost of backhoe loaders in India

Keeping in mind the extensive usage and demand, one may think that the cost of backhoe loaders in India would be way beyond their capacity. However, the truth is different. There are many companies in India offering backhoe loaders at competitive and affordable prices.

So, what are you waiting for? Employ a backhoe loader at your construction site and reap the benefits of this magic machine.