Overhead Cranes for the Precast Concrete Manufacturing Introduction
Overhead cranes for efficient cement production play a vital role in the demanding environments of precast concrete factories and construction sites. These settings are often harsh and require frequent heavy lifting—whether it’s handling finished prefabricated components or moving bagged premix materials. In the precast concrete industry, gantry cranes and bridge cranes are indispensable at both the plant and job site. Cranes significantly impact the productivity and efficiency of prefabricated operations, making it crucial to select the right crane system for your specific needs. In any application, the rated load of a prefabricated crane or hoist remains a key consideration.
The rated load is a key factor when selecting overhead cranes for efficient cement handling in precast concrete applications. It defines a specific service level—ranging from rare to severe—based on various factors such as lifting capacity, frequency of lifts within a set time frame, and the surrounding operating environment. To ensure safety, reliability, and compliance, it is essential to work with a local crane dealer or manufacturer that meets regional standards.
Overhead Cranes for Efficient Cement Classification
Pontes Rolantes de Viga Única
Vantagens
- Componentes de alta confiabilidade
- Excelente desempenho operacional
- Especialmente projetado
- Indicado para trabalhos em geral
- Altamente efetivo
- Baixo ruído de operação
How overhead cranes for efficient cement can help improve cement production efficiency
Overhead cranes for efficient cement are used in different stages of cement production, storage, and transportation. The following are some ways to use bridge cranes at each stage：
Cement production:
- Raw material handling: Overhead cranes for efficient cement are used to transport raw materials such as limestone, clay, and sand from one area of the factory to another.
- Kiln maintenance: Overhead cranes are used to lift and move heavy equipment (such as kiln components) for maintenance and repair.
Cement storage:
- Silo filling: Use a bridge crane with a grab to fill the silo with cement.
- Silo extraction: Use a bridge crane with a grab or clamshell bucket to extract cement from the silo for transportation or further processing.
Cement transportation:
- Loading and unloading trucks: Use bridge cranes to unload cement from trucks and transport it to construction sites or other locations.
- Loading and unloading train carriages: Use bridge cranes to load and unload cement in train carriages for long-distance transportation.
- Loading and unloading ships: bridge cranes are used to load and unload cement on ships for international distribution.
- Overall, bridge cranes play a vital role in the cement production process, which enables workers to lift and move heavy objects quickly and efficiently. The specific function of the bridge crane depends on the needs of the factory and the materials processed.
Pontes Rolantes de Viga Dupla
Vantagem
- The main beam adopts a truss structure, which has the advantages of being light weight, able to withstand a large load, and being highly wind resistant.
- O link de pino e parafuso é desconectado a cada 12 metros, o que é conveniente para transferência e transporte.
- Adopting walking forward, the middle outrigger does not walk on the bridge deck, so erecting a longitudinal moving track is unnecessary. This can save construction costs and improve erection efficiency.
- O estabilizador possui uma placa central de ângulo ajustável, que pode se adaptar à ponte inclinada em qualquer ângulo abaixo de 45°.
- O veículo está equipado com peças de reposição elétricas Siemens ou Schneider como padrão
- Opcional: conversão de frequência para ajustar a velocidade
- Opcional: monitoramento de segurança, controle PLC
- Opcional: grupo gerador a diesel
Overhead Cranes for Efficient Cement Cases
Double girder overhead cranes grasps concrete prefabricated parts
Double girder overhead cranes installed in concrete prefabricated parts
Long and heavy precast concrete pipeline handling by double trolley overhead crane
Grab Cranes For Garbage
Vantagem
- The garbage grab crane is the core equipment of the garbage feeding system of various waste incineration power plants in modern cities.
- The crane is generally located above the garbage storage pit and is mainly responsible for feeding, handling, mixing, picking, and weighing garbage.
- This crane can realize manual, semi-automatic and fully automatic control.
Overhead Cranes for Efficient Cement Cases
Grab crane for garbage used in cement plant
Grab crane for garbage used in cement plant
Grab crane for garbage used in cement plant
Guindastes de pórtico de viga dupla
Gantry cranes are installed in precast concrete yards and are used to carry concrete pipes, wall panels, core panels, sleepers, concrete poles, etc.
Gantry cranes are used for block forming, handling and material handling in the process of palletizing in the manufacturing process of concrete blocks.
The precast concrete handling gantry crane moves vertically on the embedded track, the gantry crane trolley moves laterally on the crane gantry, and the hook rises and falls to realize the movement and turnover of materials.There is a set of independent lifting mechanisms on the trolley.
The gantry crane consists of the main parts such as the gantry steel structure, the trolley, the trolley operating mechanism, and the electrical system.Gantry cranes working outdoors are also equipped with track clamps, anchoring devices, anchor cable devices, anemometers and other devices.
Vantagens
- Os guindastes de pórtico são mais rápidos e fáceis de instalar e desmontar, é a escolha ideal para uso em uma fábrica alugada ou em vários locais de trabalho
- Equipado com todos os dispositivos de segurança necessários: interruptor de limite de sobrecarga, interruptor de limite de deslocamento, interruptor de limite de altura, trava de segurança do gancho
- High reliability component: hook, winch, drum, wheel, motor, etc.
- Alto serviço de trabalho, pode suportar capacidade pesada e maior extensão
- Needn’t any column, runway beam, just travel on the ground’s rail
- Adequado para ambientes externos e internos
Overhead Cranes for Efficient Cement Cases
Double girder gantry crane prefabricated cement concrete pipeline handling
Double girder gantry crane for cement concrete brick handling in prefabricated yard
Used in precast concrete yards
Guindastes de pórtico de viga única
The single girder gantry crane adopts a wire rope electric hoist as the lifting mechanism. It forms a three-dimensional working space through the up and down movement of the hook, the left and right movement of the hoist trolley, and the front and rear movement of the gantry to realize hoisting. It is widely used in open-air conditions such as docks, cargo yards, warehouses, and construction sites.
Single-beam gantry cranes can be used for lifting molds, concrete slabs, other small projects, or maintenance work.
Vantagem
- Gantry cranes are more quickly and easily installed and disassembled, it is an ideal choice for use in a rented factory or in multipleworkplace
- Equipped with all the necessary safety devices： overload limit switch, travel limit switch, height limit switch, hook safety latch
- High-reliability components : hook, winch, drum, wheel, motor, etc
- Serviço de trabalho leve
- Needn’t any column, or runway beam, travel on the ground’s rail
- Suit for both outdoor and indoor
Overhead Cranes for Efficient Cement Cases
Single girder gantry crane for handling prefabricated components
Single girder gantry crane for handling prefabricated components
Single girder gantry crane for handling cement concrete blocks in prefabricated yards
Guindastes semi-pórtico
Vantagens
- Os guindastes de pórtico são mais rápidos e fáceis de instalar e desmontar, é a escolha ideal para uso em uma fábrica alugada ou em vários locais de trabalho
- Equipado com todos os dispositivos de segurança necessários: interruptor de limite de sobrecarga, interruptor de limite de deslocamento, interruptor de limite de altura, trava de segurança do gancho
- High reliability component: hook, winch, drum, wheel, motor etc
- Serviço de trabalho leve
- Adequado para ambientes externos e internos
Guindastes de pórtico treliçados
The truss gantry cranes move vertically on the track, and the trolley moves laterally on the crane gantry and the lifting operation of the reclaiming device to realize the movement, loading, unloading, and stacking of materials or concrete bridges. The trolley has a set of independent lifting mechanisms. The car comes with a rain cover.
Description: A truss gantry crane is a gantry crane that travels on a fixed track. They are usually used in concrete block production facilities with clear production lines and fixed workstations.
Application: Truss gantry cranes are suitable for concrete block factories with a structured layout, allowing precise and repeatable movement along a fixed path.
Vantagens
- Os guindastes de pórtico são mais rápidos e fáceis de instalar e desmontar, é a escolha ideal para uso em uma fábrica alugada ou em vários locais de trabalho
- Equipado com todos os dispositivos de segurança necessários: interruptor de limite de sobrecarga, interruptor de limite de deslocamento, interruptor de limite de altura, trava de segurança do gancho
- High reliability component: hook, winch, drum, wheel, motor etc
- Alto serviço de trabalho, pode suportar capacidade pesada e maior extensão
- Needn’t any column, runway beam, just travel on the ground’s rail
- Adequado para ambientes externos e internos
- Estrutura treliçada é a melhor escolha para ano aberto.
Overhead Cranes for Efficient Cement Cases
Prefabricated component handling truss gantry crane
Prefabricated component handling truss gantry crane
Prefabricated component handling truss gantry crane
Guindastes de pórtico de contêineres com pneus de borracha
The RTG rubber tyred container gantry cranes are installed on rubber tires and have mobility and flexibility. These cranes are usually used in outdoor environments, such as concrete block yards, and can move freely between different workstations. Application: rubber tyred container gantry cranes are suitable for handling concrete blocks in outdoor storage yards and can cover large spaces without fixing tracks.
Vantagens
- Equipped with specialized container spreaders, they can lift 20′, 40′, and 45′ standard containers as well as hydraulic storage tanks.
- Os mecanismos de deslocamento do carrinho e do guindaste usam redutores três em um integrados, facilitando a manutenção.
- Os pneus oferecem direção de 90° para operações de realocação e fornecem funções de deslocamento oblíquo a 20° ou 45°.
- The electrical system adopts PLC variable frequency control, and the rubber-tired container gantry crane’s travel mechanism includes a dedicated anti-skew device.
- Os recursos incluem proteção contra sobrecarga, proteção contra excesso de velocidade do motor diesel, alta temperatura da água e sistemas de alerta de baixa pressão do óleo.
- Dispositivos de segurança adicionais incluem um indicador de velocidade do vento, dispositivo de ancoragem antitufão, botões de parada de emergência e interruptores de limite com indicadores de sinal para todos os mecanismos.
Overhead Cranes for Efficient Cement Cases
Rubber tyred container cranes are used in bridge construction
Rubber tyred container cranes are used in bridge construction
Rubber tyred container cranes are used in bridge construction
Double Girder Overhead Crane for Pipe Pile
The production of concrete pipe piles is generally a three-shift, uninterrupted process. The workshop environment is characterized by high noise, high humidity, and elevated temperatures—especially in the steaming area—while demanding high assembly line efficiency. In such harsh conditions, overhead cranes for efficient cement handling are essential for maintaining productivity.
To meet efficiency goals, crane operators often use reverse braking methods for the cart operating mechanism due to time pressure. This increases the mechanical stress on the system, making overhead cranes for efficient cement production lines subject to strict reliability requirements. Equipment failure is unacceptable, as any malfunction can paralyze the entire production workflow.
Moreover, the versatility, safety, reliability, and service life expectations for automatic fixtures are also high. These fixtures must accommodate a wide range of pipe pile specifications—typically with diameters of Φ400~Φ800 mm and lengths of 10–15 meters. Overhead cranes for efficient cement operations must work seamlessly with automatic fixtures to ensure accurate handling and secure lifting of pipe molds.
The automatic fixture’s hanging beam must travel in three dimensions alongside the crane within the workshop. During operation, overhead cranes for efficient cement transport must ensure the automatic fixture clamps securely without opening mid-air to prevent safety incidents. Furthermore, when the cart stops, the beam must not sway, enabling fast and accurate positioning and clamping of the pipe mold.
Parâmetros técnicos
QE type double trolley overhead crane，
Working level of the whole overhead crane: A7~A8，
Operation form: indoor operation，the lifting weight is optional according to the quality of ”pipe pile + pipe mold”: 8t+8t, 10t +10t, 16t +16t, 20t +20t
Lifting speed: 13~15 m/min
Trolley speed: 30~45 m/min
Maximum speed: 110~120 m/min
Guindastes de pórtico para contêineres montados em trilhos
Vantagem
- Diferente Guindastes de pórtico de contêineres com pneus de borracha, instalar um dispositivo de feedback de energia no guindaste pode economizar energia.
- The eight-rope anti-pendulum mechanism of the container spreader space effectively prevents the spreader’s swing and torsion.
- Um sistema inteligente de detecção de falhas pode analisar e alertar melhor sobre falhas no equipamento.
- A sala elétrica separada e o carrinho de operação reduzem a carga operacional e o consumo de energia.
- O avançado sistema de correção automática para que os carrinhos andem reduz o problema de carrinhos roendo os trilhos e melhora a vida útil do equipamento.
- Um sistema inteligente de monitoramento e gerenciamento de segurança é mais adequado às necessidades de monitoramento de segurança e gerenciamento automatizado do pátio de carga.
Overhead Cranes for Efficient Cement Cases
Rail mounted container gantry cranes are used to build bridges
Rail mounted container gantry cranes are used for concrete prefabricated parts of shield machines
