Jiaozuo brake

Tower crane is also called "tower crane" or "tower crane"; It is also called Tower crane because of its shape like an iron tower.

The brake is a device that uses the Friction torque to reduce the speed of the moving parts of the machine or stop them from rotating.

The conditions that the brake must meet:

(1) Can generate sufficient braking torque.

(2) Simple structure and compact appearance.

(3) Braking is fast, smooth, and reliable.

(4) The brake parts should have sufficient strength and stiffness, and the brake band and drum should have high wear resistance and heat resistance. (5) Convenient adjustment and maintenance.

The brake is generally set on the shaft with higher rotational speed (low torque) in the mechanism to reduce the size of the brake.

The specific classification is as follows:

1) Friction brake can be divided into disc brake, external block brake, internal expansion shoe brake, belt brake, integrated belt brake, double shoe brake, multi shoe brake, simple belt brake, single disc brake, multi disc brake, fixed caliper brake, floating brake, etc. The brake wheel is connected to the shaft with a flat key, and a brake steel strip lined with rubber (or asbestos, leather, canvas) material is wrapped around its outer circumference. When the lever is subjected to external force, the brake band is tightened, and the braking of the shaft is achieved through the friction between the brake band and the brake wheel.

3. Features: Simple structure, good braking effect, easy adjustment, uneven single wear, poor heat dissipation

Composition of Tower crane: according to the function of each part, Tower crane can be divided into foundation, tower body, jacking, slewing, lifting, balance arm, boom, lifting trolley, tower top, cab, luffing and other parts. Among Overhead crane, the tower body is the body of the tower crane and also the part that is raised; The lifting part allows the tower crane to be raised; Rotation is to maintain the horizontal rotation of the upper body of the tower crane; The lifting mechanism is used to lift heavy objects; The balance arm maintains torque balance; The lifting arm frame is generally the load-bearing part of the lifting object; The trolley is used to install pulley blocks, steel ropes, and hooks, and is also the directly stressed part; The top of the tower is of course used to maintain the balance of force on the boom; The driver's cab is the place for operation; The amplitude change causes the car to move along the track

Tower crane brake YWZ3 brake YWZ3B electric hydraulic block brake YWZ3 electric hydraulic push rod brake model parameter price manufacturer accessories brake shoe

YWZ3-160/18, YWZ3-200/25, YWZ3-250/25, YWZ3-250/45, YWZ3-315/45, YWZ3-315/90, YWZ3-400/45, YWZ3-400/90, YWZ3-500/12

1. Environmental temperature -20 ℃~+50% (changed to YH-10 aviation hydraulic oil below the thruster) 2. Relative humidity of the air is not more than 90% 3. Generally used for three-phase AC power supply, 50HZ, 380V; 4. The sea height meets the GB755-87 standard; 5. In the absence of explosion hazards, and in the absence of gases and discharge dust in the medium that are sufficient to corrode metals and damage insulation; 6. YZW and YZW3 use the YTI series thrusters, which are generally suitable for vertical work with a tilt of no more than ± 15 °

Technical Data, Outline Dimension Table (mm) V, YWZ3 Technical Data, Outline Dimension Table (mm) Braking Torque Newton · m 8 10 12.5 16-80 100 140-112 140 180-10 125 112 140 180 225 140 180 225 250 315 400 L

Model YWZ3-160/18 YWZ3-160/25 YWZ3-200/18 YWZ3-200/25 YWZ3-250/25 YWZ3-250/45 YWZ3-315/45

Z-Z9 series brake