The metal structure of the bridge crane with a lifting capacity of 5 tons, a lifting height of 12 m, a span length of 34.5 m.

Added: 10.11.2022
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Description

The course project contains 5 sheets of drawings of A1 format, a calculation and explanatory note for 37 p., including 13 figs., 2 tablets., 11 literary sources, 1 annex.

In this course project, a metal structure of an overhead crane with a lifting capacity of 5 tons, a lifting height of 12 m, a span length of 34.5 m was designed.

In the process of work, the following were performed: strength calculations, calculations of the metal structure of the crane, welded and bolted joints

As a result, the following were developed: a drawing of the general view of the crane, a drawing of the general view of the crane bridge, a drawing of the general view of the lifting mechanism trolley, a drawing of the general view of the end beam, a drawing of the general view of the main beam.

Content

Abstract 5

Goals and objectives. 6

Introduction. 7

1 Systematization of operating modes and loads. 8

1.1 Rationing of operating modes.. 8

1.2 Systematization of loads. 9

1.3 Design loads. 11

2 Calculation of the main beam. 12

2.1 Constructing a line of influence of moments. 12

2.2 Determination of bending moments from a uniformly distributed load 14

2.3 Calculation of the total values of moments in cross-sections of concentrated forces and uniform load. 15

2.4 Construction of the line of influence of the transverse force.. 15

2.5 Determination of estimated forces from concentrated forces. 16

2.6 Calculation of the transverse force Q from the intrinsic weight q. 18

2.7 Calculated values of transverse forces from concentrated and evenly distributed loads. 18

2.8 Determination of the required height of the box profile beam. 19

2.9 Equivalent voltage calculation. 22

2.10 Calculation of the average tangential voltage from the lateral force. 23

2.11 Verification of the correct positioning of stiffeners. 23

2.12 Test calculation for the strength of the end beam. 25

2.13 Calculation of welds. 27

2.14 General and local sustainability calculations. 29

2.15 Stability of the span beam wall. 30

3 Calculation of the flange connection. 30

4. Construction lifting of span beams. 34

List of sources used. 36

Appendix A.. 38