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Flat top tower cranes
The principal design feature of the flat-top tower crane is the compact head. With the emphasis on quick and easy assembly, the simplified design is appealing and an undeniable benefit to the customer. While a welcome sight on any type of job site, many flat top cranes have been used on construction projects or near airports where overhead clearance is frequently a concern.
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1. Unsurpassed versatility
2. Low overhead clearance
3. Quick and easy assembly
4. Economically attractive
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1.2.1 parameters of Lifting mechanism
 motor
type
/
YZTD225L2-4/8/24
power
kW
24/24/5.4
rotation spped
r/min
1400/720/140
brake
type
/
YWZ3-315/45
 braking torque
N.m
315-630
reducer
central distance
Mm
450
Speed ratio
/
15.64
Wire rope
specification
6W19-12.5-1770-I
lines
a=2
a=4
lifting speed(m/min)
80
40
10
40
20
5
Rated lifting capacity(t)
1.2
3
3
2.4
6
6
 min. Steady fall speed
m/min
<7
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1.2.2 parameters of slewing mechanism
Motor
Type
/
YZR132M2-6
Power
kW
3.7×2
Rotation spped
r/min
908
Planet gear reducer
Transmission ratio
180
Hydraulic couplings
Type
YOX250
Brake
/
Norally open brake equipment
Slewing speed
r/min
0.64
Slewing bearings
model
011·40·1250
1.2.3 parameters of climbing mechanism
motor
Type
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Y132M-4B5
Power
kW
5.5
Rotation speed
r/min
1440
Hydraulic pump station
Flow
L/min
10
Rated pressure
MPa
25
Hydraulic oil tank
Type
/
Φ160/Φ110
Stroke of oil tank
mm
1600
1.2.4 parameters of ranging mechanism
Motor
Type
/
YDEZJ132S-4/8
Power
kW
3.3/2.2
Rotation speed
r/min
1440/700
Wire rope
specification
6×19-7.7-1550
Reducer
Transmission ratio
38
Ranging speed
m/min
44/22
Company information -- HSJJ
HSJJ is mainly engaged in producing and selling tower crane and elevator. tower crane (tower top type and flat top type)and construction elevator (single cage and double cage with common motor or vfd).
The company has more than 1200 staff, featuring abundant technical force, excellent manufacturing facilities and perfect detection method. The plant covers 255,000 square meters.
Our company has been granted with the GB/T19001-2000 ;ISO9001: 2000 Certificate of Conformity of Quality Management System, the People's Republic of China special equipment manufacturing license, CE, GOST and other certifications. Products have been exported to Russia, Mongolia, Moldova, Georgia, Turkey, Egypt, India, United Arab Emirates, Algeria, Angola, Mexico, Brazil and other countries, and have enjoyed good reputations from the users.
HSJJ will offer you machinery with first class technology and first class service for your trust and satisfaction.
BASIC INFORMATION
Product/Service (We Sell):  Tower crane, Constitution elevator, Concrete machine
Brands: HSJJ
Number of Employees: 201 - 500 People Â
Factory Information
 Factory Size (Sq.meters): 300,000 square meters Â
 Factory Location: Zhangqiu of Jinan City, Shandong Province,China Â
 Number of Production Lines: 5 Â
 Number of R&D Staff: 11 - 20 People Â
 Number of QC Staff: 5 - 10 People Â
 Management Certification: ISO9001,SGS,CE Certification Â
 Contract Manufacturing: OEM Service Offered Â
1.CHARACTER
1.) Material
The steel of crane is from Chinese famous steel companies.
2. )Electrical mechanism
Elements for electrical system are Schneider.
3. )Hoist mechanism
Brake wheel adopts cast steel materials, surface quenching and external circular, control the beating degree strictly. At the same time, also carrying on balance tests. each hoisting mechanism is carrying on no-load, static load, dynamic load and so on, guarantee the reliability, safety and durableness.
4. )Ranging/Trolley mechanism
trolley mechanism with free maintenance planetary reducer and cone brake motor, is well-knit in structure, stable and powerful in trolley, high endurance and low failure rate.
5. )Slewing mechanism
Slewing motor adopts winding motor and hydraulic transmission.
6. )Operation device
Cabin with humanized design, is convenient and comfortable, facilitate for safe driving. It creates a good working environment for the operator.
7. )Safety devices
The crane has a complete set of safety devices: crane high limiter, weight limiter, moment limiter, circumventing limiter, etc.
FAQ
Q1: Can provide customized products?
A1: Yes. Â We are hi-tech enterprise affiliated to China Academy of Building Research. We have a group of engineers, who have title of professor , senior engineer and engineer. We can give you special design as per the drawings of your building, helping you solve different problems faced in your projects.
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Q2: Whether customized products takes a very long time to design and manufacture?
A2: Not exactly. Normally for us, some amendment in design to adapt your requirement will take one week. so even for your special project, it will be about 30-40 days delivery time.
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Q3: What is the brand of your key components?
A3: Motor:xingxiang from Nantong, Â Gearbox: xingxiang from Nantong, Â Inverter: Zhengxian from Shenzhen and ABB or Schneider are all available.
 Other electrical components: Schneider or Siemens
 Automatic landing system: Weikong of Jinan for construction hoist
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Q4: What kind of services you can provide?
A4: We are dealing with construction machinery for about 15 year. High quality is our advantage, and high technology is our core competency. We ensure that  all  the machine have been completely tested in our factory before delivery. We will give you one year warranty for complete machine. For probems caused by our production defect, we will provide you free services by sending skilled engineer there.
CERTIFICATE
We have passed the ISO9001 quality system and CE certification for our machine. Our factory audited by SGS.
PACKING INFO
1. Film wrapped into container by sea or truck by land.
2. steel box for spare parts
SHIPPING INFO
1. Send commissioning video to you before shipment;
2. By Sea for batch goods, for Port receiving;
3. Customers specifying freight forwarders or negotiable shipping methods!
4. Delivery Time: 5-20 days against advanced payment.
PAYMENT TERMS
1. Payment: T/T, Western Union, MoneyGram, PayPal; 30% deposits; 70% balance before delivery.
2. MOQ: 1 set.
3. Warranty : Â Totally 12 months for the whole set machine from the very day machine installed and working well.
OUR SERVICE
1.) Providing timely delivery, standby engineers are ready to solve any problems
2.) Providing 12 (twelve only)months product warranty period,with ample spare parts
3.) Providing work site installation guidance and training of operation and maintenance
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Model NO.: HST 5013
Type: Tower Crane
Free Standing Height: 40m
Max. Height with Wall Tie Ins: 150m
Section Dimension: 1.835*1.835*2.5m
Section Material: 135*10 Squear Pipe
Jib Lenght: 50 M
Max. Lifting Capacity: 6 Ton
Jib Tip Capacity: 1.3 Ton
Moving Type: Fixed
Power Source: Electric
Sling Type: Wire Rope
Trademark: HSJJ
Transport Package: Bare Into Containers, Spare Parts in Steel Box
Specification: ISO9001, CE, SGS
Origin: China
HS Code: 84262000
6t Jib Crane Hst 5013 Without Crane Top by Hsjj