Crane design on column

Contents

I. Calculation of crane lifting mechanism on the column

1. Electric motor selection

1) Calculation of operating time

2) Lifting force

3) Electric motor power

4) Angular velocity

2. Calculation of the cable-block system

1) Analysis of polyspast schemes

2) Efficiency of all polyspasts

3) Maximum tension of the rope running into the drum

4) Rupture force of rope as a whole

3. Calculation of drum diameter

1) Drum diameter with built-in engine (mm)

2) Drum diameter along the middle line of the rope

3) Calculation of drum length

4. Gearbox calculation

1) Calculation of the angular speed of the drum (rad/s)

2) First stage module m

3) Gearbox program

4) Minimum value of gear box axial distance by strength condition

5. Calculation of metal capacity (weight) of reduction gear box

6. Comparison of calculation results

7. Conclusions:

8. Tali Layout

CALCULATION OF TURNING MECHANISM

1. COUNTERWEIGHT AND COLUMN CALCULATION

1.1. Weight of cargo and tali

1.2. Weight of counterweight

1.3. Moment bending column (Fig. 1, b, c) at nominal load:

1.4. The bending stress at the bottom of the column can be determined based on the strength of the column

2. CALCULATION OF BEARINGS OF SUPPORT-ROTARY DEVICE

2.1. Thrust Bearing Reaction

2.2. The distance between the radial bearings (Fig. 1, a) is assumed based on the ratio

3. ARRANGEMENT OF SUPPORT-ROTARY DEVICE

4. CALCULATION OF TURNING MECHANISM

4.1. Moment of resistance to crane turning during start-up

4.2. Motor power during start-up

5. Definition of preliminary masses

List of literature used