Hoisting Mechanism 90JLF50

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Product Description:

Introduction

The products are independently developed and manufactured by our company via absorbing international and domestic advanced technologies.

Natinal Patented products:Patent 1:ZL2009 2 0243653.7

Hoisting Mechanism of Tower crane Patent 2:ZL2010 20226428.5.

Combined-type winding drum used in winch JLF series products adopt the structural style of variable frenquency motor +SNGW reducer+winding drum.S-NGM reducer is employed for the first time in China with the precision of all gears up to over 6 level and features of less noise, compact structure, light weight and convenient maintenance.

Specification

Model:90JLF50

Rated single rope tension(kN):50

Magnification:4

Rated power of the motor (kW):90

Working frequency(Hz):6-50-100

Hoisting speed (m/min):2.7-22-45

Hoisting capacity(t):20-20-10

Rope capacity(m):500(5 layers)/620(6 layers)

Nominal Diameter of wire rope (mm):Φ22

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Q:QTZ63 (Q5610) tower crane power, how many power parts, name, model specification, product number, date of appearance
All the details of the equipment are availableAs for power, it depends on the specific configuration of the frequency conversion and non frequency conversion will not be the same
Q:Is the tower crane a special type of work?
it belongs to the high-altitude workers, not the special workers, what is the tower crane talent network is a platform for the exchange of tower.
Q:What is the insulation resistance of tower crane?
Three. Technical specification for temporary power safety on construction site JGJ 46-20055.4.2 within the construction site crane, derrick and Longmen machinery equipment, metal structure and steel scaffolding and under construction in construction projects, when lightning protection devices in adjacent buildings, structures and other facilities outside the protect zone of lightning arrester, lightning protection device should be installed in accordance with the provisions of.5.4.7 lightning protection electrical equipment machinery, connected to the PE line must repeat grounding at the same time, with a repeat of the mechanical and electrical equipment grounding and lightning protection grounding machines can share the same grounding body, but should be consistent with the repeated grounding resistance of grounding resistance requirements.The electrical equipment of 9.2.1 tower crane shall comply with the requirements of the current national standard "safety regulations for tower cranes" GB5144.9.2.2 tower cranes shall be subjected to repeated earthing and lightning protection grounding as specified in Clause 5.4.7 of this code. The earthing device of the track type tower crane shall comply with the following requirements:L the two ends of the rail are respectively provided with a grounding device;The joint of the 2 track is electrically connected, and the ends of the two tracks are electrically connected in the loop;3 long track every is not more than 30m and a grounding device.
Q:Method for operating tower crane
In the 2.11 operation, when lifting the weight, the weight should be higher than the height of the obstacle, at least 100mm.2.12 when the crane is approaching the track limit, it should slow down and stop in advance.2.13 when lifting heavy objects, not heavy lifting suspension instability, no additional weight in lifting objects, lifting scattered materials or special-shaped components must be used when the wire rope firmly tied to heavy lifting from the ground about 50cm stop, determine the brake materials, lashing and rigging, confirmation before lifting command.2.14 cranes must be adequately illuminated at night.2.15 crane in the stop, rest or midway power failure, the weight should be unloaded, not to weight suspended in the air.2.16 the operating room, no personnel shall enter, prohibited flammable and impede the operation of the items.2.17 is strictly prohibited or promotion personnel riding crane. Landing weight, weight is prohibited to stand.2.18 the boom and lifting pieces of cranes must be in safe distance from overhead transmission lines, and shall comply with the provisions of this schedule 30.1.6.2.19, two cranes in a track or two parallel or vertical orbit on the operation, should maintain the safety of any part of the distance between two machines, the minimum shall not be less than 5m.2.20 in case of any of the following circumstances, suspension operation shall be suspended:1., in the event of bad weather, such as heavy rain, heavy snow, fog and construction work surface has six (including six) above the strong winds, affecting safety construction.2. crane leakage occurs.3. serious wear of wire rope, to scrap standard (wire rope scrap standard see Appendix A).4. safety guards fail or display inaccurate.
Q:Notice of tower crane
Installation condition of 3.2 tower crane3.2.1 tower crane has special equipment manufacturing license, product certification, manufacturing supervision and inspection certificate, the tower crane manufactured abroad should have product certification, and has been in the construction administrative departments for registration.3.2.2 tower cranes shall be of complete structure and conform to the provisions of GB5144 "safety regulations for tower cranes".3.2.3 under the following circumstances, tower cranes are not allowed to use:If the state has been eliminated from the designated period of time, exceeding the prescribed service life assessment, the safety devices and safety facilities can not meet the safety and technical standards of the state or industry; there is no complete safety technical file.3.2.4 tower cranes must be maintained and fully checked before they are installed. Structural parts with visible cracks, severe corrosion, overall or partial deformation, connecting shafts (pins), Kong You, severe wear and tear should be repaired or replaced, in accordance with the provisions of the installation.3.2.5 tower crane foundation should meet the requirements of the use manual, the carrying capacity of the foundation must meet the requirements of tower crane design, installation should be carried out before the hidden project acceptance, qualified before installation. Slope and drainage facilities should be built around the foundation.The track foundation and track laying of 3.2.6 walking tower crane shall be carried out according to the instruction manual and shall comply with the provisions of GB5144.
Q:What kind of equipment must be installed on luffing trolley of horizontal luffing tower crane?
It must be installed:To prevent the trolley cable broken car slip away;The car must have a support wheel to prevent the trolley from hanging in the middle.
Q:Tower crane TC6013A-6-A2, what does "A-6-A2" mean later?
QTZ100 in fact, there are two symbols behind T.M, which is used in the country.Q is lifting, T is tower, and Z is self elevating. The 100 is its lifting torque, which means 100 tons. Meters (T.M).
Q:When the tower crane is installed in the fertilizer tank,
Pouring foundation does not increase the foundation safety first
Q:What is the wall radius of a qtz50 tower crane?
The working radius is usually 50 meters. There are also 48, 49 meters. For example, 4810, 4910, and 5010, belong to 50 tons of tower cranes.Qtz50 resolves to:Q: crane;T: Tower type;Z: Jack up;50: lifting torque of 50 tons meters.
Q:When the tower crane foundation is found, what should be discontinued?
The settlement, inclination and cracking of tower crane foundation can affect the stability of tower crane and should be stopped

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