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| Warranty: | 18 Months |
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QD Type Working Class A8 20T Double Girder Gantry Crane
Operating Procedures
1. Before working
a. Check the brake, hook, wire rope and safety device and other components according to the requirements of the point inspection card, and remove any abnormalities found.
b. The operator must confirm that no one is on the walking platform or track before closing the main power supply. When there is a lock on the power breaker or a notice board, it should be removed by the original person concerned before closing the main power.
2. During work
a. When lifting heavy objects for the first time in each shift (or when the load reaches the maximum weight), the heavy objects should be lowered again after lifting them off the ground at a height of 0.5 meters, checking the performance of the brake and confirming that it is reliable, and then carrying out normal operation.
b. The operator shall sound the alarm for the following operations in accordance with the regulations. lifting and landing heavy objects; driving large and small car traveling. crane traveling in the line of sight is not clear through, to continuously ring the alarm; crane traveling close to another crane within the span. lifting heavy objects close to the personnel.
c. Operation should be carried out in accordance with the unified command signal.
d. When there is a sudden power failure during the work, all the controller handles should be placed in the "zero" position, and the crane should be checked to see if the action is normal before re-working.
c. Crane trolley in normal operation, it is strictly prohibited to open the reverse brake stop; change the direction of movement of trolley, trolley, must be placed on the handle "zero" position, so that the organization stops running completely before driving in the reverse direction.
d. There are two hooks of the crane, in the main and secondary hooks for the two hooks and the height of the hooks are similar, the main and secondary hooks must be operated separately, so as to avoid collision between the two hooks.
e. Two hooks of the crane is not allowed to two hooks at the same time hanging two objects; does not work to adjust the hoisting mechanism brake.
f. Do not allow the use of limit position limiter stop, it is strictly prohibited in the case of load adjustment of the hoisting mechanism brake.
g. Strictly enforce the "ten not hanging" system.
command signal is not clear or chaotic command does not hang; more than the rated lifting capacity does not hang; spreader use is not reasonable or the object is not securely hung does not hang; lifting objects on someone or a
lifting objects on people or other floating objects do not hang; holding brake or other brake safety device failure do not hang; crane hanging heavy objects directly for processing do not hang; pulling diagonally hanging do not hang; the crooked pulling and slanting do not hang.
skewed hanging not hanging; with explosive objects not hanging; buried in the ground objects do not pull hanging; with angular block mouth objects, not well-padded not hanging; h. If any abnormality is found, please contact us.
h. If abnormalities are found, immediately stop, check the cause and timely exclusion.
3. after work
a. Raise the hook to a certain height, big car, trolley parked in the designated position, the controller handle is placed in the "zero" position; pull down the protection box switch handle, cut off the power supply.
b. Carry out routine maintenance. c. Do the handover work.
| S/N. | Crane No.s | 1 |
| 1 | Name | Double Girder Overhead Crane |
| 2 | Model | QD75/20t-19.5m |
| 3 | Working class | A6 |
| 4 | Capacity | 75tons |
| 5 | Span | 19.5m |
| 6 | Lifting height | 16m |
| 7 | Lifting speed | 6.1m/min,7.2m/min |
| 8 | Trolley travelling speed | 38.4m/min |
| 9 | Crane travelling speed | 66.2m/min |
| 10 | Control type | Cabin |
| 11 | Power supply | 380V50Hz3Ph AC |
| 12 | Lifting motor | 90KW,26KW |
| 13 | Trolley traveling motor | 13KW |
| 14 | Crane long traveling motor | 2x22KW |
| 15 | Crane weight | 72320Kgs |
The 2,700-plus-member factory covers over 680,000 square meters and has a total asset of 660 million CNY. The 1,200-plus equipment enable the company to independently conduct over 20 technological flows, including lathing, milling, planning and grinding. The 180-plus intermediate and senor technical staff are responsible for R&D and production of all the products. The products have passed CE SGS TUV BV and CU-TR verification, and factory passed ISO9001-2008 international certification, IS014001:1996 environmental and ISO28001-2001 quality, health and safety certification. Our company has perfect quality-control system, strict and comprehensive management system, strong production capability and advanced test measures, guaranteeing high quality, output, competitiveness and market share.
1. What's the information should I provide when inquiry?
More details or drawings, better.
A: Lift capacity B: span C: lift height D: power sourceor
other specials you give us will be more appreciated.
2. How many operating methods for my selection?
Standard operating methods:
A: pendent controller with push buttons .B: remote control with push buttons C: cabin(space capsule seat) control with joystick.
Choose any type as you like.
3. Can this type work in hazardous environment?
Sure! We can customize for you, acid proof or explosion proof, no problem for that.
4. Can you provide the serious lifting tools?
Sure, we can provide any lift tools such as lift sling belt, lift clamp, grab, magnet or other specials as your requirement!
5. How can we install the crane?
Our senior engineer can be your side to do the installation guide service and training. Moreover, our best sales can visit your country.
6. Safety device
Overload limiter, Limit Switch (lifting and traveling), Interlock protection device.
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