Building Hoist Frequency Conversion Supplier

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Structure of Building Hoist Description


Feature: Building Hoist                               Condition: New                                            Application: Construction           

Payload(kg):2*3200                                       Lifting Speed(m/min):0~60                        Motor Power(kw): 2*3*15

Safety Device: 2*SAJ50-1.4                         Cage: Twin                                                  Counterweight: Yes

Certification: CE,ISO                                      Place of Origin: China(Mainland)             Model Number: Type:SCD320/320

 


Packaging & Delivery of Building Hoist 


Packaging Detail: Nude package          Delivery Detail: 25-30days

 


Main Parts of Building Hoist 


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


● Stepless speed control helps eliminate the concussion during start up and braking, steady the operation process,

and ensures automated leveling.


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


● The VF system has current-restriction function, ensuring a small current when motor start up and reducing the concussion to power supply. It reduces the engery consumption and mitigates effects to on site electric equipments.


● The steadiness during running mitigates concussion to mechanical parts, reduces wears of rack, pinion and the brake

and prolongs the spare parts'life.   


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


● The system applies the special software for hoists developed by our company, making the operation more safe and 

reliable.


Building Hoist Images


CMAX Building Hoist

Building Hoist Frequency Conversion Supplier

Mast Section

Building Hoist Frequency Conversion Supplier

Driving Unit

Building Hoist Frequency Conversion Supplier


Building Hoist Specifiction


Building Hoist Frequency Conversion Supplier


FAQ of Building Hoist


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. 

 

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Q:How many floors are built to use the construction elevator? With six floors?
No ~ there is no hard and fast rule, you need to choose from the construction, main consideration cost
Q:How many years does the construction elevator usually use?
In principle, eight years; But for eight years has scrapped section standard of standard section pillar thickness wear to design thickness of 1/4 (like this value) will be scrapped or downgrade use; After eight years, the construction elevator can also be used, but the structural parts need to be broken and the test can be used again. The pendant safety device for the construction elevator is required to be tested every year for five years.
Q:The working principle of construction elevator
How the elevator works: The main bearing structure is self-formed system, which is low on construction. It more driven by force, drive devices are installed on the hanging basket, through the gear and rack drive system, the mutual cooperation, so as to realize the rise and fall of the elevator.
Q:How to set up the construction elevator?
In the construction preparation stage, must first be familiar with the steel stair construction drawing and construction drawings of embedded object, combined with the site construction conditions, to understand the distribution of the embedded parts of this project, form, and according to the construction characteristics of the project construction scheme of embedded object, technical disclosure, etc.
Q:What's going on with the decline in construction lift
Check to see if there is any problem with holding the brake. There is no problem with the contactless contactor, which is the most common cause of the vehicle. Normal contactor will rebound at the moment of you to stop operation, adhesion would be stuck there for a few seconds and then bounce back, in a few seconds the brake coil is charged, the brake is still in open state, but the motor has stopped working, so will decline, it's adhesion change the same contactor change.
Q:What is the need for the sc200/200 construction elevator cable?
The sc200/200 construction elevator cable line should not be below 120 square. Man's ladder 33KW, 5 * 33 = 165KW The tower is 45KW one, 2 * 45 = 90KW The pressure slag welder is estimated to be 25KW Touch welder 1OKW, 5 * 10 = 50KW Other facilities such as mixer, temporary illumination etc. 30KW Total power: 165 + 90 + 25 + 50 + 30 = 365KW One square cable is 5 minus 7A, 380V is 1KW is equal to 2A. That's 730A 730A divided by 5-7 calculates that the cable line should not be less than 120 square.
Q:How many kw is the sc construction elevator
The construction elevator sc200/200 is rated at 63 kw power, and the power consumption is greater.
Q:6 layer of brick and concrete construction project, have tower crane still need construction elevator?
Very cow! Six floors of brick and concrete construction projects have tower cranes. No construction lifts are needed.
Q:Is there a specification requirement for the floor door of the elevator to the floor? How high
Layer should be made from steel door frame, Shanghai silk screen, and is equipped with solid and reliable locking device, elevator door layer, the process should be hanging cage crew operations, shall not be under the direct control of elevator lift cage's movement. The net height should not be lower than 1.80 m, and the width of the door should not be greater than 120mm.
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.

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