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Without tower cranes, it’s likely that many iconic buildings and structures we know and love would not be standing. Not only do these steel giants look striking, they are also integral to modern construction and development. Tower cranes are the go-to tool used to bring even the largest and grandest construction projects to life. To help you develop a better understanding of how these mammoth machines do the seemingly impossible, we’ve outlined the key mechanisms that make tower cranes work. Building a Tower Crane There are an abundance of tower cranes in cities. So much that you may be fooled into believing that they reach sky-scraping heights with ease. In reality, erecting a tower crane takes weeks of prior preparation. To make the erection process as efficient as possible crew members typically stick to a predetermined set of sequences. Assembly procedures differ depending on the type of tower crane used. Broadly speaking, tower cranes typically fall into general categories of either Luffing Jib or Trolley Jib types. Luffing jib tower cranes have jib arms that “luff” or pivot up/down similar to ground based mobile cranes. Trolley jib tower cranes have a horizontal jib arm and a trolley assembly that positions the load along the length of the jib. We’ve outlined the assembly process for a freestanding, trolley jib tower crane as these are some of the most commonly used tower cranes nationally. The Crane Base The process of erecting a crane begins with creating a secure foundation from which the structure will be built upon. The integrity of the base is crucial in supporting the crane’s structure and balance for assembly and operation. Prior to the crane’s arrival on site, the first piece of the vertical mast is secured to a concrete foundation using heavy duty anchor bolts or embedded stools. The exact quantity of concrete needed will depend on various factors including the configuration of the tower crane and the local code requirements, but the entire weight of the base usually exceeds 400,000 lbs. Crane Transportation The next order of business is the transportation of the equipment to the worksite, this may sound simple enough, but for the crew many factors have will need to be taken into account. Transportation considerations include: Transportation Budget – To transport the parts of the tower crane heavy hauling services are required, this will incur additional costs. Transportation Routes – Particular road routes and travel times are restricted when hauling loads over a certain weight or dimension. Transportation Schedule -The transportation of equipment requires precise coordination, to ensure the tower crane components arrive on site in the order needed, along with any additional equipment needed for the assembly. Erecting a Crane The tower crane will arrive on site in multiple parts. First, the vertical mast is erected by adding additional mast sections on top of the base using other types of lifting equipment such as mobile or crawler cranes. Once the desired mast height has been reached, the operator’s cab and a turntable, which provides rotation, will be placed and secured atop the lengthy mast, this section is usually the heaviest element of a tower crane. The apex of the crane is then attached – aptly named the tower top. A working arm or jib is connected to the turntable and extends horizontally. Attached to the jib is a trolley mechanism, hoist & hook. These provide the various functions needed for lifting. Behind the cab and in alignment with the working jib is the counter-jib. This section contains counterweights, motors, and electronics. For the tower crane to become functional, ropes must be attached and connected to the working elements. Operating a Tower Crane The majority of cranes are designed to be operated from the cabin at the top of the crane. For efficiency and safety, a team of skilled individuals are employed to oversee the operation of the crane. Each member of the team resumes responsibility for various processes. For example, ‘the appointed person’ has a range of duties including assessing risk and managing the overall planning of the lift. A ‘crane coordinator’ will take on the responsibility of scheduling the lifts, managing the sequencing the lifts and ensuring clashes do not occur. A “Signal person” is responsible for acting as the operator’s second set of eyes and communicating to the operator which direction(s) to move the load. The ‘crane operator’, obviously, is responsible for operating the crane and lifting/positioning loads as required and directed by others. Dismantling Tower Cranes The basic steps to dismantle a tower crane are the same as assembly, just in reverse order. However, it must be consider that when a tower crane is erected, typically the jobsite is mostly empty as the primary structure hasn’t started without the tower crane. When it comes down, the opposite is true as the completed structure usually occupies most of the available space on the site. Hence, with limited room to setup a mobile crane or set the tower crane components down, dismantlement is often a far more complicated task. Maxim Crane is a coast-to-coast provider of crane rental and lifting services. As specialists within our field, we offer innovative solutions to meet your project’s needs. Situated in over 50 locations, each branch is able to provide management services, including transportation, risk management, safety and insurance programs that are unparalleled in the industry. Visit: https://www.cranerental.com0 Posted by Talk. Build
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By Talk. Build Without tower cranes, it’s likely that many iconic buildings and structures we know and love would not be standing. Not only do these steel giants look striking, they are also integral to modern construction and development. Tower cranes are the go-to tool used to bring even the largest and grandest construction projects to life. To help you develop a better understanding of how these mammoth machines do the seemingly impossible, we’ve outlined the key mechanisms that make tower cranes work. Building a Tower Crane There are an abundance of tower cranes in cities. So much that you may be fooled into believing that they reach sky-scraping heights with ease. In reality, erecting a tower crane takes weeks of prior preparation. To make the erection process as efficient as possible crew members typically stick to a predetermined set of sequences. Assembly procedures differ depending on the type of tower crane used. Broadly speaking, tower cranes typically fall into general categories of either Luffing Jib or Trolley Jib types. Luffing jib tower cranes have jib arms that “luff” or pivot up/down similar to ground based mobile cranes. Trolley jib tower cranes have a horizontal jib arm and a trolley assembly that positions the load along the length of the jib. We’ve outlined the assembly process for a freestanding, trolley jib tower crane as these are some of the most commonly used tower cranes nationally. The Crane Base The process of erecting a crane begins with creating a secure foundation from which the structure will be built upon. The integrity of the base is crucial in supporting the crane’s structure and balance for assembly and operation. Prior to the crane’s arrival on site, the first piece of the vertical mast is secured to a concrete foundation using heavy duty anchor bolts or embedded stools. The exact quantity of concrete needed will depend on various factors including the configuration of the tower crane and the local code requirements, but the entire weight of the base usually exceeds 400,000 lbs. Crane Transportation The next order of business is the transportation of the equipment to the worksite, this may sound simple enough, but for the crew many factors have will need to be taken into account. Transportation considerations include: Transportation Budget – To transport the parts of the tower crane heavy hauling services are required, this will incur additional costs. Transportation Routes – Particular road routes and travel times are restricted when hauling loads over a certain weight or dimension. Transportation Schedule -The transportation of equipment requires precise coordination, to ensure the tower crane components arrive on site in the order needed, along with any additional equipment needed for the assembly. Erecting a Crane The tower crane will arrive on site in multiple parts. First, the vertical mast is erected by adding additional mast sections on top of the base using other types of lifting equipment such as mobile or crawler cranes. Once the desired mast height has been reached, the operator’s cab and a turntable, which provides rotation, will be placed and secured atop the lengthy mast, this section is usually the heaviest element of a tower crane. The apex of the crane is then attached – aptly named the tower top. A working arm or jib is connected to the turntable and extends horizontally. Attached to the jib is a trolley mechanism, hoist & hook. These provide the various functions needed for lifting. Behind the cab and in alignment with the working jib is the counter-jib. This section contains counterweights, motors, and electronics. For the tower crane to become functional, ropes must be attached and connected to the working elements. Operating a Tower Crane The majority of cranes are designed to be operated from the cabin at the top of the crane. For efficiency and safety, a team of skilled individuals are employed to oversee the operation of the crane. Each member of the team resumes responsibility for various processes. For example, ‘the appointed person’ has a range of duties including assessing risk and managing the overall planning of the lift. A ‘crane coordinator’ will take on the responsibility of scheduling the lifts, managing the sequencing the lifts and ensuring clashes do not occur. A “Signal person” is responsible for acting as the operator’s second set of eyes and communicating to the operator which direction(s) to move the load. The ‘crane operator’, obviously, is responsible for operating the crane and lifting/positioning loads as required and directed by others. Dismantling Tower Cranes The basic steps to dismantle a tower crane are the same as assembly, just in reverse order. However, it must be consider that when a tower crane is erected, typically the jobsite is mostly empty as the primary structure hasn’t started without the tower crane. When it comes down, the opposite is true as the completed structure usually occupies most of the available space on the site. Hence, with limited room to setup a mobile crane or set the tower crane components down, dismantlement is often a far more complicated task. Maxim Crane is a coast-to-coast provider of crane rental and lifting services. As specialists within our field, we offer innovative solutions to meet your project’s needs. Situated in over 50 locations, each branch is able to provide management services, including transportation, risk management, safety and insurance programs that are unparalleled in the industry. Visit: https://www.cranerental.comJan 03, 2019 0 -
The demand for magnetic drilling services is increasing rapidly across the world with each passing day. Magnetic drilling is the process of creating accurate holes on ferrous metals with the use of heavy duty drilling machines and specialized equipment. It’s very important that magnetic drilling experts maintain high safety standards while using advanced tools and equipment to stay away from potential injuries and accidents. Your failure to follow important safety rules while executing magnetic drilling projects to meet your fabrication and construction needs can create a lot of trouble for you, so it’s better to stick to them. Here are some of the safety tips for magnetic drilling professionals to prevent injuries and accidents while using drilling machines. Refer The User Manual Before using any drilling machine, it’s very important for you to refer the user manual for enhancing your understanding of operational and safety issues. Being a drilling expert you can’t afford to use a cutting and drilling equipment without referring user manual, as that invites injuries and accidents. Considering the fact that the user manual consists of all the major and minor details about operating a machine, it’s crucial for you to go through it effectively. Get Proper Training You should never touch a tool without seeking proper training, otherwise, you will end up injuring yourself. If you start using a new tool without knowing much about it, you won’t know what kind of safety measures you should be taking to prevent injuries. So, it’s important to get proper training. Unplug Tools While Making Adjustments If in case you want to make any adjustments to your drilling machine make sure that you unplug in the first place. In other words, don’t ever try to carry out any maintenance and repair jobs without unplugging the machine, otherwise, you may encounter huge problems. Keep Your Equipment Safely It is very important for you to keep your equipment safely to avoid accidents. Make sure that you do not expose your power tools to water and rain. You shouldn’t be using such tools in wet locations. In addition to that, you should never use these drilling tools in the presence of flammable liquids. Whenever you are not using any tool, then make sure that it is stored in a locked-up place. Keep Your Work Area Clean & Well Lit A cluttered job site not only makes it difficult for you to carry out your work effectively but also invites accidents. Therefore, it’s mandatory to keep your site well-lit and in proper order. Keep all the walkways and pathways free from material supply and equipment, so that you can walk freely. Use Protective Gear & Clothing Whenever you execute a magnetic drilling project, you must wear protective gear and clothing. Don't ever wear loose clothes while using heavy duty tools because they make you extremely unconformable, as they can easily come in contact with the moving parts of the machine, thereby inviting a horrific accident. It means you should always use tight fitted clothes, robust footwear, safety glasses, ear plugs, dust mask, and protective gloves while using heavy duty drilling machines. When you wear right protective gear, you can safeguard your skin and other body parts from getting injured. Maintain Your Tools Effectively It's very important that you keep your cutting and drilling tools sharp and clean for effective performance. Examine your tool cords regularly and if you find them damaged make sure that you repair them effectively before using them. While changing accessories make sure that you follow the instructions that are provided in the user manual. In addition to that, it is also crucial for you to keep handles of your equipment free from oil and grease. Inspect Your Tools before Using Them You should always carry out a quick inspection of all the important parts of your machines before using them. It helps in enhancing your safety as well as productivity while using a tool. So, whenever you use power tools make sure that you maintain all the important safety standards to prevent the risk of injuries. By: Krysta Jackson Visit: http://www.cadrillers.com0 Posted by Talk. Build
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By Talk. Build The demand for magnetic drilling services is increasing rapidly across the world with each passing day. Magnetic drilling is the process of creating accurate holes on ferrous metals with the use of heavy duty drilling machines and specialized equipment. It’s very important that magnetic drilling experts maintain high safety standards while using advanced tools and equipment to stay away from potential injuries and accidents. Your failure to follow important safety rules while executing magnetic drilling projects to meet your fabrication and construction needs can create a lot of trouble for you, so it’s better to stick to them. Here are some of the safety tips for magnetic drilling professionals to prevent injuries and accidents while using drilling machines. Refer The User Manual Before using any drilling machine, it’s very important for you to refer the user manual for enhancing your understanding of operational and safety issues. Being a drilling expert you can’t afford to use a cutting and drilling equipment without referring user manual, as that invites injuries and accidents. Considering the fact that the user manual consists of all the major and minor details about operating a machine, it’s crucial for you to go through it effectively. Get Proper Training You should never touch a tool without seeking proper training, otherwise, you will end up injuring yourself. If you start using a new tool without knowing much about it, you won’t know what kind of safety measures you should be taking to prevent injuries. So, it’s important to get proper training. Unplug Tools While Making Adjustments If in case you want to make any adjustments to your drilling machine make sure that you unplug in the first place. In other words, don’t ever try to carry out any maintenance and repair jobs without unplugging the machine, otherwise, you may encounter huge problems. Keep Your Equipment Safely It is very important for you to keep your equipment safely to avoid accidents. Make sure that you do not expose your power tools to water and rain. You shouldn’t be using such tools in wet locations. In addition to that, you should never use these drilling tools in the presence of flammable liquids. Whenever you are not using any tool, then make sure that it is stored in a locked-up place. Keep Your Work Area Clean & Well Lit A cluttered job site not only makes it difficult for you to carry out your work effectively but also invites accidents. Therefore, it’s mandatory to keep your site well-lit and in proper order. Keep all the walkways and pathways free from material supply and equipment, so that you can walk freely. Use Protective Gear & Clothing Whenever you execute a magnetic drilling project, you must wear protective gear and clothing. Don't ever wear loose clothes while using heavy duty tools because they make you extremely unconformable, as they can easily come in contact with the moving parts of the machine, thereby inviting a horrific accident. It means you should always use tight fitted clothes, robust footwear, safety glasses, ear plugs, dust mask, and protective gloves while using heavy duty drilling machines. When you wear right protective gear, you can safeguard your skin and other body parts from getting injured. Maintain Your Tools Effectively It's very important that you keep your cutting and drilling tools sharp and clean for effective performance. Examine your tool cords regularly and if you find them damaged make sure that you repair them effectively before using them. While changing accessories make sure that you follow the instructions that are provided in the user manual. In addition to that, it is also crucial for you to keep handles of your equipment free from oil and grease. Inspect Your Tools before Using Them You should always carry out a quick inspection of all the important parts of your machines before using them. It helps in enhancing your safety as well as productivity while using a tool. So, whenever you use power tools make sure that you maintain all the important safety standards to prevent the risk of injuries. By: Krysta Jackson Visit: http://www.cadrillers.comFeb 21, 2018 0
