Under-slung launching gantry
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Under-slung launchinggantry
Theloading-bearing main girder system is situated under the bridge, and outsidemould system sits on the loading-bearing main girder. The main girder systemsits on the platform by outrigger, which are anchored on the pier by the highprecision rolling thread steel. Outside mould template opens with the maingirder transversely or opens transversely singly to avoid the pier whilepassing through the hole. The outrigger can perform an auto forward flip or bythe auxiliary crane. Outside mould system can move longitudinally with maingirder. Its clearance under bridge is large and the height of the bridge pieris generally more than 4m, which has a stronger adaptability for high piers.
Performance and parameters：
Applicable spanand girder weight ；40m/1300t
Applicable heightof the bridge pier: 4m
Applicablelongitudinal gradient: 4%
Applicable curveradius: 1000m
Compared with:
Up-slung launching gantry
1) Double main girder andtwo-span structure, more secure, faster. Applicable to the low pier andclearance under bridge is not demanded. Simple construction, needless todismantle the main girder and outside mould parts;
2) Outside mould system opens and closes transversely,original design and ingenious conception;
3) Transverse movement and hoisting is propelled bythe power, easily and fast;
4) Lifting and opening, closing are controlled by thehydraulic pressure, with steady movement which is secure and reliable. Reducethe labor intensity and upgrade the construction efficiency;
5) All the legs can pass through the wholeautomatically and erect, reducing the investment of auxiliary equipments,reducing the construction cost.
Performance and parameters：
Applicable longitudinal gradient: 2.0%
Applicable curve radius: ≥1500m
Requirements for environment wind pressure:
Maximum allowable wind pressure during shifting: 150N/㎡
Maximum allowable wind pressure during casting: 800N/㎡ ( or to be anchored)
Total power by using the whole machine:About 95kw
Kinetic condition: 4Ac, 380v, 50Hz
Hydraulic system pressure: 32Mpa
Shift speed: 0-1.5m/min
Deflection of main girder: Less than L/700( only considering the deflectioncaused by the concrete loading and internal mould weight)
Via Hole Stability Factor: k>1.5
Transportation condition: meet the limits of railway and highwaytransportation.
Unit Weight: About 530t (without separated mould situated in the support)
Construction cycle: 10 days/span
- Q:What subjects are specialized in mechanical manufacturing in secondary schools?
- We already have: Metalworking Training, mechanical design, basic curriculum design, training, fitter training, CNC machining training, "machinery manufacturing foundation", "now control technology"
- Q:The development trend of mechanical specialty
- Mechanical engineering and automation graduates employment counterparts rate of 30.43%, construction machinery post salary increase
- Q:Explain the balance in an Accumulated Depreciation Machinery account and what it represents. Are they funds to replace the machinery when it wears out? If not, what does it represent?
- Each year, capital equipment depreciates according to a schedule. The amount is debited to the Equipment account and credited to the Accum. Depr. Mach. account. It does not represent any actual transfer of money. It is a paper loss.
- Q:What will this mean for the U.S. military?
- I just wish I could find something Made In America when shopping at the store.
- Q:whats the best exersise machine to use for 30 mins 5 times a week for losing thigh weight and bum weight?i was thinking a tredmill? but could a cross trainer give better results? whatever the answer give specifics and if you can try and like make my timetable better or more likely to lose weight!
- the okorder /
- Q:What about the prospects for employment in machinery manufacturing and automation?
- Although it is a traditional profession, it has a long history. In particular, China is developing from manufacturing power to manufacturing intensity, with a promising employment outlook, and the annual employment rate is among the best. To tell the truth, the treatment is not very high.
- Q:How to make simple account for construction machinery rental?
- Now many accounting software such as Kingdee U8 ah, ah, ah but you don't know it's really not accounting method, accounting is done, when receiving the money
- Q:Anyone know anything about Machinery Technician (MK) in the coast guard reserves? Is it true they would train you on working with engines? Anyone know if positions are guaranteed in CG or no? The website says 12 weeks in Yorktown, VA, *or* on the job training, has anyone ever gotten on the job training for this position instead and where at?
- the MK does all the engine repairs for the most part, aside from the muliti missions of search and rescue, law enforcement and boarding. the have guaranteed school IF there is availability. when you go to a recruiter as if there is or not for that time. on the job training is called striking. if you score high enough on your ASVAB you can have the option to strike, which means you will follow around a MK to learn everything rather than go to school. it takes a but longer but Worth it for people who really dont do well with classes. striking can occur where ever they send you-doesn't have to be one specific place
- Q:Big mechanical engineering machinery, or other, the bigger the better
- There are TC2000300 tons of car out of West Germany (flower, crane boom and counterweight need another crane assembled). Steel structure workshop general domestic hoisting crane most commonly used, but must calculate the crane position and radius of gyration. There are 200 tons of motor cranes in Japan in recent years, telescopic rod, fully self-propelled.
- Q:Suppose that a piston is moving straight up and down and that its position at time t seconds iss = Acos(2πbt)with A and b positive. The value of A is the amplitude of the motion and b is the frequency(the number of times the piston moves up and down each second). What effect does doubling the frequency have on the piston's velocity and jerk?Follow up question, why does machinery break when you run it too fast?
- Q1 === If you double the frequency, this means that you are doubling the number of times that the cylinder goes up, hits it's highest point, turns around and comes back down again in a second. You must be doubling the distance the piston travels. The time is one second, so effectively you are doubling the speed. Q2 === Jerk in this sense is one of those wonderful descriptive words that works in the real world, but is hard to put into a formula. I wonder if you have to do that. Certainly the force increases because the turn around time is much smaller when the frequency is doubled. That means time in this formula F = m*(vf - vi)/t is much smaller and that makes the force larger. Q3 == So machinery must break down because the force on moving the piston up and down has become much larger.
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Under-slung launching gantry
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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