Building Lifter SC250/250 Cranes for Project

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Structure of SC250/250 Building Lifter Description

 

To serve the increasing demand for highrise construction, we developed the high speed VF hoist, with a max.lifting speed of 96 m/min.

It has the following structure:

1. Adopts the most advanced VF speed control device and microcomputer programmable logic controller.

2. Stepless speed control helps eliminate the concussion during  start up and braking, steady the operation process, and ensures automated leveling.

3. Adopts open loop V/F control: the speed control precision can reach ±2~3%. Realizes accurate low speed positioning of the hoist and avoids slipping during downward stopping of hoist.

4. The steadiness during running mitigates concussion to mechanical parts, reduces wears of rack,pinion and the brake and prolongs the spare parts'life.

5. The VF system also has the over voltage protection, low voltage protection, overcurrent, overload and anti-stalling protection functions.

6. The System applies the special software for hoists developed by our company, making the operation more safe and reliable.

 

Main Features of SC250/250 Building Lifter

 

1. The recomended cage dimension(L*W*H)(m): 2.0*1.0*2.5, 2.5*1.0*2.5, 2.5*1.3*2.5, 3.0*1.5*2,5, 3.2*1.5*2.5, 3.8*1.5*2.5, 4.0*1.5*2.5, 4.2*1.5*2.5 etc. We can also manufacture cages of other size according to the user.
2. The cage and the door material can be aluminum molded board, punched-plate, figured aluminum board or other type according to yout requirements.
3. The mast section and the tie-in surface can adopt paint-spray, or hot galvanizing processing.

4. Both domestic and imported driving systems are available.

SC250/250 Building Lifter Specification

SC series product also has special design, such as reinforced guide rail with cross-section of 800mm, inclined type, special for cooling tower, etc. All the double cage building hoist can be changed into single cage type,

 

  TypePayload(kg)Lifting Speed         (m/min)Motor Power(kw)Safety Device
Twin Cage HoistNo CounterweightSC100/1002*10000~602*3*112*SAJ30-1.4
SC120/1202*12000~602*3*112*SAJ30-1.4
SC160/1602*16000~602*3*152*SAJ30-1.4
SC200/2002*20000~602*3*152*SAJ40-1.4
SC250/2502*25000~602*3*18.52*SAJ50-1.4
SC270/2702*27000~602*3*18.52*SAJ50-1.4
SC300/3002*30000~602*3*222*SAJ50-1.4
SC320/3202*32000~602*3*222*SAJ50-1.4
With CounterweightSCD200/2002*20000~602*2*152*SAJ40-1.4
SCD250/2502*25000~602*2*18.52*SAJ50-1.4
SCD270/2702*27000~602*2*18.52*SAJ50-1.4
SCD300/3002*30000~602*3*152*SAJ50-1.4
SCD320/3202*32000~602*3*152*SAJ50-1.2

Images of SC250/250 Building Lifter

 

Building Lifter SC250/250 Cranes for Project

Building Lifter SC250/250 Cranes for Project

Building Lifter SC250/250 Cranes for Project

Building Lifter SC250/250 Cranes for Project

Building Lifter SC250/250 Cranes for Project

 

FAQ of SC250/250 Building Lifter

 

Q: What is the building hoist main purpose? 

A: Building hoist equipped with double or single cabin to transport the materials and labors up and down. It's the ideal 

construction equipment for vertical transportation in the field of construction.

Q: What is the main structure of building hoist? 

A: The P/M construction hoist mainly contains metal structure, driving system, electrical control system, cable guide & protection system, electrical top crane and safety device.  

Q: What is the meaning of the building hoist’s code?

 A: Take SC200/200 for example: “SC” stands for rack and pinion hoist, “200/200” stands for double cage and capacity is 2 tons per cage. “SC200” stands for single cage and capacity is 2 tons. 

Q: What is the dimension of the cage? 

A: Normally the cage dimension is 3X1.5X2.5M (L/W/H) for 2t type hoist. Details should be checked according to our quotation sheet. Also, the size can be customized according to the factual site condition.  There are two doors (entrance& exit doors) for each cage, It can be produced as up & down sliding or ramping model for safety and convenience. 

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Q:When does the construction elevator take off?
If the elevator is installed later, can the construction elevator be demolished at this time? It should not be removed because the elevator is used by the local technical supervision bureau. The unused elevator will be fined 5-200, 000 fine and the elevator installation unit will be revoked. No one will take that risk! It is usually done on rooftops, indoors and outdoors, and the materials have been transported upstairs. It is best to be able to remove the elevator when it is finished, so it doesn't affect the progress.
Q:The maximum allowable deviation of the vertical is the vertical degree when the construction elevator is installed
5 kinds of circumstances. 1: the height of the elevator guide frame is less than 70 meters, and the vertical deviation should not be greater than one in 1000 of the height of the guide frame. (assuming the rail frame is 70 meters high, the deviation cannot be greater than 70mm) 2: the rail frame is greater than 70 meters and is less than 100 meters, and the deviation is less than or equal to 70 mm. 3: the guide frame is larger than 100 meters and is less than 150 meters. The deviation is less than or equal to 90 mm. 4: the guide frame is larger than 150 meters is less than or equal to 200 meters. The deviation is less than or equal to 110 mm. 5: the guide frame is greater than 200 meters, and the deviation is less than 130 mm. This is based on the requirement of 5.2.2.1 from GB10054 to 2005. (it used to be a direct copy.)
Q:The construction elevator can not operate during the use of several stages of wind power
Well, there are no definite rules. It's up to you to decide whether to use it or not
Q:The staff on the construction platform shall not exceed the number of people
Different models have different load rating and platform lift platform size, this depends, suzhou new aluminium alloy elevator, Lin professional aluminum alloy lift platform.
Q:What's going on with the decline in construction lift
Check whether the brake contactor and normal, contactor adhesion conditions will decline, brake pads have the problem not only rise to fall, fall in the same slide. If the contactor is ok, you can see that there is a groove on the brake pad, and it is only replaced if the brake is not damaged, such as cracking. If it's a frequency conversion elevator, if you're down, see if the converter has any fault code, if you have a consulting manufacturer. The assumption is that the anchuan frequency converter, which may be a real SE failure, means that the timing error is not normal for controlling the contact of the receiver.
Q:Can a construction elevator use a single cage
Can use single hanging cage, an accident is a management issue could not be struck down so many people, if such construction lifter dual-use goods elevator belongs to the people, 19 people find this elder brothers say batter to death then top with manned elevator nor safe, in fact is a regular inspection, site do not have an accident can only say that the site is too lax
Q:How many meters must be installed in the construction elevator search?
There is an elevator quota in the budget quota, but how many floors can be priced?
Q:Is the construction elevator a special equipment
Belong to special equipment construction lifter, but generally used as home building municipal engineering does not belong to the quality and technical supervision management, but belong to the administration of urban construction. Because the system of quality control unless invited, shall not be involved in military, aerospace, nuclear industry, mine, municipal, sea, railway locomotive hoisting machinery management.
Q:What are the requirements for the construction elevator
The anti-drop safety device is an important part of the construction elevator, which can be relied on to eliminate the occurrence of the fall accident and guarantee the safety of the crew. So for safety device factory test is very strict, before delivery by the statutory inspection unit for torque measurement, critical speed measurement, measuring the amount of spring compression, each with the test report, after assembly to the construction lifter for drop test under rated load, and the site to use the elevator must be every three months to conduct a drop test. For safety device to the factory for two years for safety device (delivery date), must also be sent to the statutory inspection unit to carry on the test, after testing once a year. So far few inspection, some sites even once every three months to detect don't do drop test, all think that their is no problem for safety device, but once had an accident, repent at leisure. Why not do regular tests and tests? The use of units blindly thinks that not bad is good. Actually good or bad for safety device can only judge by test and inspection in the daily operation is not sure whether it is good or bad, for those who are serving for safety device, or advice for the earlier inspection and regular test, only accomplish know fairly well, to malignant accident prevention rather than cure.
Q:Do the elevator need to be installed when the main project is in construction
The top brass usually need to install the construction elevator.

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