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Double Beam Electric Overhead Bridge Crane 15t 25t 35t Lifting Capacity Used for Chemical Machinery Factory1
Crane, Overhead Crane, Lifting Machinery
Shanghai Hexin Crane Machinery Co., Ltd.
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Product Description Product DescriptionTop Running Double Girder Crane ? Fabricated Box Construction ? Dual Hoist Top running double girder cranes are designed with end trucks that travel on fixed rails attached to the top flange of runway beams or girders. These cranes are ideal for heavy-duty applications, capable of handling spans of up to 45 meters and lifting capacities of up to 64 tons. Their robust construction makes them suitable for a wide range of demanding environments and diversified industrial applications.A Top Running Double Girder (TRDG) bridge crane is similar to a TRSG crane, except for an additional bridge beam. With the addition of a second bridge beam, both top running and under hung hoist trolleys can be used. For most cases, a TRDG crane can have the best high hook (compared to other crane styles) because the hook can be mounted between the two bridge beams. Double girder cranes also have a better means of handling large moments caused by a stackers, part manipulators or components other than a hook.Why Choose Dual Hoists?Lifting long, awkward shaped loads overhead may require the use of two wire rope hoists. Dual hoist lifting can be designed with two hoists running on one crane girder, allowing for full load lifting on one overhead crane. Alternatively, two hoists can be synchronized on two overhead cranes for dual hoist lifting.When two hoists can lift on one crane girder, this allows your operations to lift with one hoist or both. This can add flexibility for your operations. The hoists can be used independently for different lifting processes, meeting the capacity requirements of the crane and hoist. Then both hosts can be synchronized to lift a load when required. If this is the lifting solutions for your operations, make sure you also know the single hoist loads you will be lifting so the crane can be engineered to meet your needs.Product DetailsFabricated Box Construction? Fabricated with Plate Steel? Improved Lateral and Torsional Stiffness? Up to 45 Meters Span? Dual Hoist? Tandem Lift? Up to 2 x 32 Ton Capacity Standard Equipment Available Options? Sliding Push Button Pendant Controls? 2-Speed Bridge Travel? 2-Speed Trolley Travel? 2-Speed Hoisting Travel? Upper and Lower Travel Limit Switches? Load Block Activated Secondary Upper Limit Switch? Bridge Travel Limit Switch ? Radio Remote Controls? Anti Collision Systems? Audible Horn? VFD Trolley Travel? VFD Bridge Travel? VFD Hoisting Travel? Explosion Proof Components with Spark Resistant FeaturesUnderstanding the Structure of a Double Girder Bridge CraneThe structure of a double girder bridge crane is a compact yet robust system, designed for efficient handling of medium to heavy-duty loads. By understanding its core components-such as the main girders(bridge), hoist, and end trucks - operators can optimize crane performance, reduce wear and tear, and ensure smooth operations. A clear understanding of the crane's structure empowers users to operate safely, minimize downtime, and maximize productivity and longevity.BridgeA load-bearing beam that runs the width of the building. This is the primary structural component that connects the runways and moves the hoist forward and backward using a trolley.A bridge can be comprised of one or two beams-more often referred to as a single girder or double girder design. Girders can be made of rolled steel or can be fabricated by welding the beams into a steel box design. Trolley and Hoisting MechanismThe trolley is a mobile platform that runs along the length of the main beams. It houses the hoisting mechanism, which is responsible for lifting and lowering loads. The hoisting mechanism includes a system of ropes, pulleys, and a motor-driven hoist drum that enables the lifting operation.Hoist Drum and Ropes: The hoist drum winds and unwinds the steel ropes that are attached to the bulk, controlling the vertical movement of the lifted load. High-tensile ropes are used to ensure the safety and durability of the hoisting system.Trolley Motor: The trolley is powered by motors that allow it to move horizontally along the crane's main beams, positioning the hoist directly above the load being lifted or placed. End TruckLocated at each end of the crane, the end trucks enable the gantry crane to travel along the rails using a set of wheels that run smoothly on the tracks.Depending on the crane's capacity, each end truck can be equipped with 2, 4, or 8 wheels, ensuring optimal stability and performance. HookOur cranes are equipped with a variety of lifting tools designed for diverse applications.The hook is ideal for general lifting tasks, providing a reliable connection for lifting and moving loads safely.The grab bucket is perfect for handling bulk materials, allowing for efficient and secure lifting of loose or granular items.Additionally, we offer a range of other specialized lifting tools tailored to meet specific operational needs, ensuring maximum efficiency and safety for your lifting operations. Controls Control boxs are typically mounted on the crane or hoist and the pendant or remote console allows the operator to run the crane. The controls operate the drive and hoist motors, and can control Variable Frequency Drives (VFDs) to control hoist speed for precise load positioning. Power Supply SystemInsulated conductor bars, festoon systems (flat cables), or cable reels bring power to the crane. Safety Devices: To ensure the seamless operation of the crane and to prevent potential personal injuries or mechanical failures, our safety apparatusgoes beyond basic electric protective devices or alarm bells. It includes a comprehensive range of essential equipment, as detailed below:1. Overload Limit Switch2. Rubber Buffers3. Electric Protective Devices4. Emergency Stop System5. Voltage Lower Protection Function6. Current Overload Protection System7. Rail Anchoring8. Lifting Height Limit DeviceOf course, we also offer a customized service.To provide you with the most accurate and tailored design solution, please share the following details:1.Lifting Capacity:Please specify the maximum weight your crane needs to lift. This critical information enables us to design a system that can handle your loads safely and efficiently.2.Span Length (Rail Center to Rail Center):Provide the distance between the centers of the rails. This measurement directly impacts the overall structure and stability of the crane we'll design for you.3.Lifting Height (Hook Center to Ground):Indicate how high the hook needs to reach from the ground level. This helps determine the appropriate mast or girder height for your lifting operations.4. Rail Installation:Have you already installed the rails?If not, would you like us to supply them?Additionally, please specify the required rail length. This information helps us plan the complete setup for your crane system.5. Power Supply:Specify the voltage of your power source.Different voltage requirements affect the electrical components and wiring design of the crane.6. Working Conditions:Describe the types of materials you'll be lifting and the ambient temperature. These factors influence the choice of materials, coatings, and mechanical properties for the crane to ensure its durability and optimal performance.7. Workshop Drawing/Photo:If possible, sharing a drawing or photo of your workshop would be highly beneficial. This visual information helps our team better understand your space, layout, and any potential obstacles, allowing us to tailor the crane design more precisely to your site.Company ProfileFounded in 2007, our company's entrepreneurial journey began in the lifting machinery industry. As the business expanded, we established a modern manufacturing facility to meet growing demand. In 2024, we launched the brand Hexin Crane and set up our office in Shanghai. Our mission remains clear: Helping to Lift World.At Hexin Crane, we specialize in the design and production of both standardized and customized lifting machinery. With extensive expertise, particularly in overhead cranes and gantry cranes, we provide tailored solutions to meet the specific needs and operational requirements of our clients. No material or design challenge is too complex for us-our team is committed to delivering innovative solutions that ensure maximum efficiency and safety.Our products are exported to over 20 countries worldwide, serving a diverse range of customers, including end-user factories, distributors, and industry peers. In addition to complete crane systems, we supply crane components and OEM services to clients abroad.With a strong international presence, it's likely we already offer our products and services in your region. Feel free to reach out-we look forward to helping you with your lifting needs.CertificationsExhibitionsOur quality and reputation attracts many customersPackaging & ShippingFAQQ1: Are you a manufacturer or a trading company?We are an integrated production and trading enterprise, with our own independent R&D team, manufacturing facility, and professional marketing department. This integrated structure allows us to offer comprehensive solutions and maintain a competitive edge in the market. Q2: Are customization options available?Absolutely. We understand that each customer's needs are unique. That's why we offer full customization on all our products to suit your specific operational requirements. To ensure we provide the best solution, we encourage you to provide detailed information about your needs. Our expert team will then design the most optimal solution, tailored to meet your exact specifications, while minimizing costs and maximizing efficiency.Q3: How long is your warranty coverage?We offer a 2-year warranty on the crane itself and an 18-month warranty on electric components. Should any issues arise, our dedicated after-sales team and professional engineers will promptly assist in troubleshooting and resolving the issue. Support is available via email or video conference for efficient diagnosis. If the issue is found to be related to quality, we will swiftly send any necessary replacement parts via air freight to minimize downtime and ensure a quick resolution.Q4: Do you provide overseas installation services by engineers?While we typically provide a detailed instruction manual for self-installation, we also offer the option of overseas installation services in specific cases. Our products are carefully packaged and designed for easy installation, which helps reduce costs and streamline the setup process. If necessary, we can arrange for our engineers to assist with installation at your location.Q5: What other types of products do you offer?We offer a broad range of lifting solutions, including but not limited to overhead bridge cranes, gantry cranes, jib cranes, monorail cranes, workstation cranes, and various other construction lifting machinery. Our sales specialists are always available to help you choose the most suitable equipment for your specific needs.Q6: If we have an urgent need, can you arrange prompt delivery?Yes, we understand the urgency of your requirements. Once your order parameters are confirmed, we prioritize urgent orders and work diligently to expedite the production and shipping process. Our efficient production systems and logistics network ensure that you receive your products quickly and reliably, without compromising on quality.Q7: I have limited headroom in my workshops.Is it possible to install a crane in that space? Definitely. We offer specialized crane solutions designed for workshops with low headroom. Our experienced engineers will work with you to create a customized design that fits your space perfectly, ensuring both optimal performance and space efficiency.Q8: Do you supply lifting and rigging tools?Yes, we provide a full range of lifting and rigging tools, including hooks, electromagnetic devices, grab buckets, and more. Please consult with our sales team to discuss the specific tools and accessories that best suit your needs.Q9: Do you accept OEM/ODM business?Certainly. We have extensive experience in OEM/ODM manufacturing and have collaborated with leading crane brands and customers worldwide. Whether you need customized products or full OEM solutions, we are equipped to meet your specifications.Q10. What payment methods do you accept?We accept T/T, bank transfers, L/C, PayPal, and other major payment platforms.
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