trolley mechanism 2JXD1

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Introduction

On the basis of absorbing advanced foreign technology, our company developed the JXD trolley luffing mechanism independently for small and medium-sized tower cranes.

This series of trolley mechanism consists of electromagnetic double-speed change-pole motor, semi-concealed planetary reducer, drum, frame and other components.Its characteristics include compact sturcture, high driving efficiency, and low noise, safe and reliable braking, accurate positioning, pleasing in appearance and so on. When users have higher requirements to the trolley running, variable- frequency speed regulation motor with the same interface and relevant electric contol system may be changed to form the variable-frenquency speed regulation trolley mechanism.

Performance parameters

Model:2JXD1

Motor Power(KW):2.2/1.5

Rated single rope tension (N):1800

Single-rope linear velocity(m/min):35/23

Rope capacity(m):45

Wire rope diameter(mm):6

Relevant parameter of the suitable tower crane

--Max lifting load(t):4

--Max crest(m):47

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Q:What are the safety devices for the horizontal arm self lifting tower cranes?
(6) the crane of lightning protection and anti electromagnetic wave sensing device shall be equipped with lightning protection device and anti electromagnetic drape induction measures according to the actual situation and shall be equipped with crane with a hinge height of more than 50m at the root of the boom. (7) the tower crane should be installed to prevent the rotary overload limit torque coupling (8) anti off rope device to prevent the wire rope from the working position (9) rope breaking resistant device to prevent car luffing rope break free sliding trolley (10) anti broken shaft device to prevent car car wheel shaft broken after the fall (11) brake parts that is the work device is a safety device
Q:Who is responsible for the construction of the pile foundation of the tower crane?
According to the present list of quotations, the winning project, the tower crane cost has been included in the total price, and has nothing to do with the construction side, that is, the cost of tower crane foundation should be borne by the construction side.
Q:What kind of tower cranes are available? How about the scope of all kinds of tower cranes?
Tower crane is divided into fixed tower crane, mobile tower crane, jack up tower craneThe mobile tower crane is divided into track type, tire type and automobile typeThe jack up tower crane is divided into two parts: internal climbing type and attached typeUsage: loading and unloading concrete by hanging tank for general construction and installation
Q:How do tower cranes rise?
The weight and concrete foundation shall be made in advance and marked, and the ground ground endurance shall be no less than 20T per square meter. The chassis and standard sections are then assembled on this basis. The standard section of tower crane is the main part of the main part of tower crane. It is also the main role of heightening the height of tower crane". In the construction process, tower crane accompanied by the rise of buildings, naturally need to heighten. When the tower is hoisted, the upper frame is raised upwards with the jack up, so that there is a space between the tower body and the frame, and the standard section of the tower body is installed in the space. In this way, the purpose of the tower crane is realized.
Q:Is a tower crane a fixed type crane? Still can walk? Thank you
It can also be called a fixed crane. But there are many kinds of fixed cranes.
Q:What is the function of the balance valve in the hydraulic jacking system of tower crane?
The function of the balance valve is to maintain the balance of the oil pressure, the hydraulic oil delivery flow is stable, so that the tower crane jacket and the upper part of the lift, disassembly, standard time, lift and smooth.
Q:What is the brand of ZOOMLION tower crane?
How big is the lift? It depends on the size of the motor you use. 24KW motor, the choice is about 100A. 30KW uses 125-150A, 55KW, and 150-180A;Generally 40A contactor is used for turningCar selection of 25A on it.
Q:What is the free height of a tower crane?
General small 40 tower, its free height is about 30 meters. The 63-80 tower is usually about 45 meters. The 125 tower is about 47-50 meters.
Q:What is the calibration value of a tower crane?
Tower crane calibration value is to benchmark material to be calibrated by standard liquid titration value, calibration to parallel mark three times, take the average value, if the requirement is not strict, error within 3 per thousand, strictly within 1 per thousand.Main performance parameters of tower crane:1. Lifting weight G1. weight G - was the quality of the heavy lift. The unit is t.2. rated lifting weight Gn allows crane lift weights together with the quality of the sum of the spreader.3. maximum weight Gmax - normal work conditions under the crane, the maximum permissible rated lifting weight lifting.Two, range LL - 1. range of level ground when the crane is positioned between the spreader, no-load vertical center line to the center line of the rotary horizontal distance. The unit is m.2. biggest Lmax - crane, jib angle or the minimum car in arm the limit position of the amplitude.3. Lmin minimum amplitude - jib angle or trolley jib in maximum limit position within the range.
Q:What is the difference between a jack up tower crane and a fixed tower crane?
The jack up tower crane is a tower crane (that is an internal climbing tower crane) that is added and reduced by its own special device, namely, the standard section of the tower (that is, the attached tower crane) or the whole climbing tower itself.

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