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Overhead crane, gantry crane, jib crane FAQs

01 Sep, 2017

Frequently Asked Questions on overhead crane, gantry crane, jib crane and electric hoist  inculding on hoist and crane production, safety, delivery, installation, and crane workshop or factory visiting are presented for your reference.  Check the common questions on overhead crane, gantry crane, jib crane, electric hoist, etc., to get your pleasant answers now.

FAQ on Hoist and Crane Production

Crane production - Overhead crane beam production

Crane production - Overhead crane beam production

1. Whether you can offer customized overhead crane, gantry crane, jib crane, or hoist crane?

Yes, of course, we are a crane manufacturer, and we have our own crane engineer group. They can work out customized crane design according to your requirement. The most important thing is that you tell us all the needed information and parameters for customized your crane requirements. Dongqi Hoist and Crane offers types of crane project design, overhead crane design, gantry crane design, jib crane design, etc. All you need to do is to confirm your crane requirements, and get your crane drawing on overhead crane, gantry crane, jib crane now. 

2.Which crane is the most suitable, among the overhead crane, gantry crane, jib crane or hoist crane?

According to your practical crane usage and workshop’s application situation, Please check the following questions or contact with Dongqi crane salesman they will recommend the suitable one crane for you.

  • Overhead crane: No occupation of ground area; widely used indoor, also can be used outdoor; Suitable if the workspace is limited or the working ground is occupied with many equipment or goods; Need to install stand column, support bracket, runway beam and rails.
  • Gantry crane: Occupy ground area; More suitable if there is no stand column; widely used outdoor, also can be used indoor. Need install foundation and pave rails on ground.
  • Jib crane: Can be used outdoor and indoor;Need install foundation on ground; Occupy small ground area covering little working area; Have up down, left right work direction and 360 degree rotation.

3. What’s information or parameters is required to get precise crane quotation & best design for the application?

  • Overhead Crane: Span? Lift Height? Lift Capacity?
  • Gantry Crane: Lift Height? Lift Capacity? Span? Any Cantilever?
  • Jib Crane: Arm Length? Lift Height? Lift Capacity? Rotation Degree?
  • What is the loads? Loads dimensions?
  • Indoor/outdoor?
  • Lift Speed: Single/Double/Variable?
  • Travel Speed: Single/Double/Variable?
  • Use Environment: Any explosive, combustible air? Temperature?
  • Workshop practical situation? Drawing.
  • Use frequently? How many hours/day? How many times/hour?

If you have any need on overhead crane, gantry crane, jib crane, electric hoist, winch or othey Types of cranes, please feel free to contact us. 

4. If want to use overhead crane, but there is no stand column and support bracket, which crane design shall be selected?

The most economic crane design is gantry crane, but if there are many equipment and goods on ground, we suggest to use overhead crane to save the working space.

5. If the gantry crane is wanted, but the factory has finished establishment, could the gantry crane be installed without breaking the ground?

Yes, at once the ground’s concrete width is more than 20cm, then there is no need to dig the ground. Just need pave belt steel plate, and fix it on the concrete floor with bolts. Then weld the rails is okay.

gantry crane

Gantry crane

6. When work temperature under 20℃, what is the crane different? When work temperature is too high, what is the difference?

Under 20℃, the crane’s steel plate will reply by Q345. When temperature is too high, will use H grade motor, and increase the cable’s insulation grade, also will increase the crane’s ventilation.

7. As for overhead crane, if the height from runway beam’s surface to workshop’s lowest point is too low, what special design can make?

Different connection of main beam and end beam can reduce the height;Different crane design can shorten crane’s self-height.

8. What’s Dongqi Crane’s painting standard?

For electric hoists, there is automatic painting line. For large crane painting, two times base paint, and two times final paint, use epoxy polyamide paint.

Crane produciton - crane main beam paiting

Crane produciton - crane main beam paiting

9. Whether you can offer the matched crane and hoist spare parts?

Yes, as a hoist and crane manufacturer, we offer all the related hoist and crane spare parts, such as motor, hoists, drums, wheels, grabs, hooks, rails, travel beams, enclosed bus bar etc.

10. How can you ensure the good quality with short production?

Every department will work together to serve you, please see the following cooperation picture. Please check detailed information of Dongqi crane production process.

11. What kind of operate method you can offer?

By pendent button/By remote control/By cabin.

Crane control- pendent button

crane control- pendent button

12. Can you offer special hanger for different usage?

Yes, we can offer clamshell grab, orange grab, electromagnet, C hooks, belt or other hangers.

13. What is the safety device you can offer?

Dongqi cranes are mainly consisted of metal structure (which is assembled with main beams, side beams, platform, ladder, railings, and trolley frame, etc.), machining parts, purchased parts (such as, bearings, fasteners, standard parts, etc.), cooperation parts (such as, the hook) and electrical spare parts, etc. And every different parts, there are different safety control devices and safety measures are adopted. Check Dongqi Crane safety overviews to get more information. 

FAQ on crane delivery and installation

 Crane installation: Overhead crane installation and gantry crane installation

crane installation: Overhead crane installation and gantry crane installation

1. How long will the hoist and crane production take?

Within 20-30 work days after the PO and down payment.

2. If the hoist and crane is needed very urgently, how can it be realized?

For urgent order, Donqqi Crane will try our best shorten our production period, and prioritize your crane's production. What you need to do is confirm the hoist and crane design and let us know it is urgent.

3. How the hoist and crane will be delivery by Dongqi Crane?

Withplenty experience of exporting, Dongqi Crane will select the most suitable and economical transportation for your products. The following transportation methods is available. By container, by bulk, by LCL, by flat rack all is okay for us. And  please check the suggestion of crane transportation and beam delivery method. There will have reinforcement during package and load to ensure safe delivery.

4. What is Dongqi Crane’s common delivery port?

Qingdao—By container & LCL; Tianjin—By bulk.

 Crane transportation with 32 meters long

32 meters crane transportation

5. When the main girder is too long, how to delivery by container?

The main girder will be designed and produced into different sections, the length of which is is within 11.8m. And the different sections could be connected by high strength bolt.More information please check Overhead cane girder division and overhead crane girder connection

6. How Dongqi Crane help you to install the hoist or crane?

Dongqi Crane has professional hoist and crane installation team, who has gone to many countries to assist the installation. If you need hoist and crane installation technician please let us know in advance.

7. Can you help us arrange the shipment?

Yes, we have professional and independent Logistics & Document Department. They will be responsible for arranging the logistics. Just tell salesman the destination port.

FAQ on factory visting 

1. How to get to Dongqi Crane?

It is very convient for you to visit our crane factory. There are direct flight & high-speed rail from Beijing, Shanghai, Guangzhou, and Tianjin to our area, we can fetch you at the airport or train station.

2. How is the transportation like in the area where Dongqi Crane is located?

The transportation is very convenient. There are direct light & high-speed rail to Beijing Shanghai, Guangzhou, Tianjin and other cities. Tell us your next destination in advance, and we will recommend the most convenient for you. Besides, we will send you to the airport/train station, please do not worry this.

Dongqi crane factory

Dongqi crane factory 

Overhead crane, gantry crane, jib crane and electric hoist FAQ on hoist and crane production, safety, delivery, installation, and crane workshop or factory visiting for your reference to get your pleasant answers now. If you have any doubts or need any help, please feel free to contact us. Email: sales@cranesdq.com. WhatsApp: +86 150 3617 7583.

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