Home > Products > Featured Hoist and Crane

Top-running crane, Top overhead running crane

22 Sep, 2016

Chinese top running crane for sale, good quality and price from Dongqi Hoist and Crane, the top crane manufacteur and supplier in China. Dongqi Hoist and Crane is able to provide you types of cranes, such as overhead crane, gantry crane, jib crane, and electric hoist, etc.

Top running crane - Doulble girder top running crane

Top running cranes are the most effective lifting solution as you have the best coverage within your facility. Offered in both single, double and box girder designs, there are enough options to suit your application.

Top running overhead bridge cranes are designed to travel on top of a runway system that is either supported by engineered columns or building columns.
Double girder designs typically provide you a better hook height than single girder designs as the hoist is mounted on top of the bridge rather than underneath.

Top running crane

Top-running crane is a type of crane with the end trucks or end carriage supported on crane rails, which are attached to the top of the crane runway.For buildings with limited headroom, top running crane provide greater lifting height than an underhung crane. That’s because a top running crane rides on rails on top of the beam. If head room and lifting height are the biggest factors in your decision, a double girder, top running crane provides the greatest headroom optimization.

Compared to underhung cranes, top running crane are typically larger and a better choice for higher capacity lifting applications, such as those involving 20 tons or more. Other advantages of top running crane overhead crane systems include easier installation and wide availability of parts. Additionally, the wheels of a top running crane are easier to service, as the crane does not have to be suspended from above.

Top running crane vs. Under running overhead crane

Top running crane vs. Under running overhead crane

Top running crane systems, on the other hand, are useful for applications requiring the lift and transfer of heavier loads. Usually, when the lifting capacity of the loads is 20 tons or more, a top running crane system is the top choice. Top running cranes are designed for heavy lifting rather than ease of use and flexibility. Top running cranes require the use of a bracket attached to the steel support of the buildings or independent support columns for heavier capacities. If your loads are 20 tons or less, using a lighter and more flexible under-running crane system is usually the best option.

A top running crane configuration can also be beneficial when extremely high headroom is necessary or when the facility has very limited headroom. Because a top running crane system travels on the top of the crane runway, it will increase the headroom. A double girder top running crane system actually offers the most overhead space possible for facilities where it’s the top concern.

Overhead top running crane

Top running crane is generally grouped in single girder, double girder, box girder top running cranes, which are selected according to your application conditions. Top running overhead bridge cranes are designed to travel on top of a runway system that is either supported by engineered columns or building columns. Double girder designs typically provide you a better hook height than single girder designs as the hoist is mounted on top of the bridge rather than underneath. Contact us for your custom top running crane now.

Single girder overhead top running crane

Single girder top running crane

Top running crane - Single girder overhead crane 

Single girder top running crane has the features:

  • Providing you excellent value for your custom application,
  • Single girder designs make the top running crane be cost effective without compromising performance.
  • Over the lifetime of the top running crane, you will save on new support structures as it has reduced wheel loads, which enables your This allows you to add more lifting capabilities to your runway structurewithout upgrading.

Benefits of single girder overhead top running crane

  • Lifting capacity: 1/4-ton to 20 tons
  • Girder span: Under 65 feet
  • Service class: Light to medium duty
  • Applications: light assembly line, warehousing facilities, regular maintenance and repair centers, Light manufacturing, fabrication and machine shops, and others, etc.
  • Low deadweight.
  • More overhead room space
  • Faster electric hoist and trolley speed
  • Lower production cost / lower overall price for less production material required

Double girder overhead top running crane

Top running crane - Dongqi top running overhead crane

Top running crane - Dongqi top running double girder overhead crane

Double girder top running crane has the following features:

  • Double girder is designed for applications with load capacities typically over 25 tons for heavy material handling.
  • Double girder top running cranes are used when you need a complete lifting solution.
  • Top running Double girder cranes give a better height of lift compared to a single girder crane as the hook travels between the beams.

Benefits of double girder overhead top running crane

  • Lifting capacity: 20-500 tons
  • Crane girder span: Over 65 feet
  • Crane service class: Medium to heavy duty
  • Applications: Metal mill and steel mills, steel coil handling, large fabrication and stamping facilities, foundries, boilers plant, paper mills, casting plants, and other types of large-scale tool and die facilities, etc.
  • Provides best hook and lifting height because electric hoist and trolley can run on top of the two bridge girders
  • Provides the most overhead floor space
  • High speed

Single leg gantry top running crane

Another type of overhead crane that utilizes both the top running crane and under-hung crane configuration is the single-leg gantry crane. Single-leg gantries are a great material handling solution because they provide coverage in plants that can’t fit a double leg gantry due to narrow, confined spaces or crowded machinery.

Gantry top running crane- Dongqi double girder semi-gantry crane

Gantry top running crane- Dongqi double girder semi-gantry crane

A single leg gantry top running gantry crane is usual called a semi-gantry, which is an overhead top running crane with one leg that runs on the floor on wheels, while the other end runs overhead on a wall-mounted I-beam. The end that runs overhead is mounted onto an end truck or end carriage that travels on either the topside of the crane runway beam or on the bottom flange of the runway beam. Which side of the runway beam it travels on depends on whether it’s a top running crane configuration or under-hung configuration. Semi-gantries utilize two motors: one to drive the wheels along the floor and another for the overhead track

Top running crane- Single grider semi-gantry

Top running crane- Single grider semi-gantry

Top running crane of Dongqi Hoist and Crane

  • Double girder top running crane with hook

    Double girder top running crane with hook

    Double girder top running crane with hook parameters
    Lifting Capacity: 15-100t
    Span Length: 10.5~31.5m
    Lifting Height: 6~18m
    Working Class: A4

  • LH type double girder hoist top running trolley crane

    LH type double girder hoist top running trolley crane

    Lifting Capacity: 15
    Span Length: 10.5~31.5m
    Lifting Height: 6~18m
    Working Class: A4

  • QB type explosion proof top running crane

    QB type explosion proof top running crane

    QB type explosion proof top running crane parameters
    Lifting Capacity: 5~75t
    Span Length: 10.5~31.5m
    Lifting Height: 6~18m
    Working Class: A4
    Explosion-proof Grade:ExdⅡBT4、ExdⅡCT4

  • QD type double girder top running crane with hook

    QD type double girder top running crane with hook

    QD type double girder top running crane with hook parameters
    Lifting capacity :5-320t
    Span Length: 10.5~31.5m
    Lifting Height: 6~18m
    Working Class: A5, A6
    Ambient Temperature: -20~40℃

  • QDY type foundry top running crane

    QDY type foundry top running crane

    QDY type foundry top running crane crane parameters
    Lifting Capacity: 5~30t
    Span Length: 10.5~31.5m
    Lifting Height: 6~35m
    Crane Dive:IP54 or IP44,level F insulation
    Working Class: A5 A6

  • Top running crane with carrier-beam

    Top running crane with carrier-beam

    Top running crane crane with carrier-beam parameters
    Lifting Capacity: 1~350t
    Span Length: 6~45m
    Lifting Height: 3~60m
    Lifting Speed: 7.8-15.5m/min
    Crane Speed: 20-30m/min
    Working Class: A3-A7

More information on overhead crane,gantry crane,jib crane, and electric hoist is at Dongqi Hoist and Crane Product Center. Contact Dongqi Hoist and Crane for more information on the underhung crane now. Contact Dongqi Hoist and Crane for more information on the Top running crane. Buy overhead crane now.

Top