阅读说明：本技术 一种利用塔吊塔身的提升装置 (Lifting device utilizing tower crane body ) 是由 彭宝安 于 2019-12-07 设计创作，主要内容包括：本发明公开了一种利用塔吊塔身的提升装置,主要用于建筑工程领域现浇筒体结构施工,它结构简单,安全可靠,不影响塔吊的正常使用,同时还可以作为塔吊司机上塔吊驾驶室的垂直运输工具；它主要由运输平台1、卷扬机2、横梁4、钢丝绳A5、定滑轮3、轱辘7、滑轮组9、钢丝绳B10、立柱6、导轮8、抱箍梁11组成；其工作原理是：启动卷扬机2,卷扬机2向下拉动钢丝绳B10,钢丝绳B10通过省力滑轮组9拉动运输平台1上升,同时钢丝绳B10通过省力滑轮组9后拉动轱辘7转动,轱辘7的转动带动钢丝绳A5通过定滑轮3拉动运输平台1上升,同时四根立柱6上的多个导轮8沿塔吊塔身12的四个角点滚动。(The invention discloses a lifting device utilizing a tower crane body, which is mainly used for the construction of a cast-in-place cylinder structure in the field of constructional engineering, has simple structure, safety and reliability, does not influence the normal use of a tower crane, and can be used as a vertical transportation tool of a tower crane cab on a tower crane driver; the device mainly comprises a transportation platform 1, a winch 2, a beam 4, a steel wire rope A5, a fixed pulley 3, a wheel 7, a pulley block 9, a steel wire rope B10, a stand column 6, a guide wheel 8 and a hoop beam 11; the working principle is as follows: the winch 2 is started, the winch 2 pulls the steel wire rope B10 downwards, the steel wire rope B10 pulls the transportation platform 1 to ascend through the labor-saving pulley block 9, meanwhile, the steel wire rope B10 pulls the wheel 7 to rotate after passing through the labor-saving pulley block 9, the wheel 7 rotates to drive the steel wire rope A5 to pull the transportation platform 1 to ascend through the fixed pulley 3, and meanwhile, a plurality of guide wheels 8 on the four stand columns 6 roll along four angular points of the tower crane tower body 12.)

1. The utility model provides an utilize hoisting device of tower crane body of tower which characterized by: the tower crane tower mainly comprises a transportation platform (1), a winch (2), a cross beam (4), a steel wire rope A (5), a fixed pulley (3), wheels (7), a pulley block (9), a steel wire rope B (10), a stand column (6), a guide wheel (8) and a hoop beam (11), wherein the cross beam (4) is arranged on a tower crane tower body (12), the fixed pulley (3) is fixed at the left end of the cross beam (4), the wheels (7) are fixed at the right end of the cross beam (4), the pulley block (9) is arranged below the wheels (7), one end of the steel wire rope A (5) is fixed with the left side of the transportation platform (1), the other end of the steel wire rope A (5) is wound on the wheels (7) through the fixed pulley (3) and is fixed with the wheels, one end of the steel wire rope B (10) is fixed with the right side of the transportation platform (1), the other end of the steel wire rope B (10) is wound on the winch (2) and is fixed with the winch (7) after, the hoisting machine (2) is fixed with the ground, the outer side surfaces of the middle parts of the four stand columns (6) are fixed with the inner side surface of the transportation platform (1), the positions of the four stand columns (6) correspond to four angular points of a tower crane body (12), the four stand columns (6) are respectively provided with a plurality of guide wheels (8), the plurality of guide wheels (8) of the four stand columns (6) roll along the four angular points of the tower crane body (12), two ends of the four hoop beams (11) are respectively fixed with the side surfaces of the adjacent stand columns (6) to form a hoop beam group, and a plurality of hoop beam groups are arranged in the vertical direction of the four stand columns (6); the working principle of the lifting device is as follows: starting a winch (2), pulling a steel wire rope B (10) downwards by the winch (2), pulling a transportation platform (1) to ascend by the steel wire rope B (10) through a labor-saving pulley block (9), pulling a wheel (7) to rotate by the steel wire rope B (10) through the labor-saving pulley block (9), driving the steel wire rope A (5) to ascend by pulling the transportation platform (1) through a fixed pulley (3) by the rotation of the wheel (7), and rolling a plurality of guide wheels (8) on four upright posts (6) along four angular points of a tower crane body (12); the linear speed of the steel wire rope B (10) after passing through the labor-saving pulley block (9) is consistent with the linear speed of the steel wire rope A (5).

Technical Field

The invention is mainly used for the construction of a cast-in-place barrel structure in the field of constructional engineering.

Background

The patent of the invention applied: the utility model provides an utilize creeping formwork device that tower crane body of tower promoted, application number: 2019112372614, a lifting device is required to lift or lower the creeper.

Disclosure of Invention

The lifting device is simple in structure, safe and reliable, and does not affect the normal use of the tower crane. The tower crane tower mainly comprises a transportation platform (1), a winch (2), a cross beam (4), a steel wire rope A (5), a fixed pulley (3), wheels (7), a pulley block (9), a steel wire rope B (10), a stand column (6), a guide wheel (8) and a hoop beam (11), wherein the cross beam (4) is arranged on a tower crane tower body (12), the fixed pulley (3) is fixed at the left end of the cross beam (4), the wheels (7) are fixed at the right end of the cross beam (4), the pulley block (9) is arranged below the wheels (7), one end of the steel wire rope A (5) is fixed with the left side of the transportation platform (1), the other end of the steel wire rope A (5) is wound on the wheels (7) through the fixed pulley (3) and is fixed with the wheels, one end of the steel wire rope B (10) is fixed with the right side of the transportation platform (1), the other end of the steel wire rope B (10) is wound on the winch (2) and is fixed with the winch (7) after, the hoisting machine (2) is fixed with the ground, the outer side surfaces of the middle parts of the four stand columns (6) are fixed with the inner side surface of the transportation platform (1), the positions of the four stand columns (6) correspond to four angular points of a tower crane body (12), the four stand columns (6) are respectively provided with a plurality of guide wheels (8), the plurality of guide wheels (8) of the four stand columns (6) roll along the four angular points of the tower crane body (12), two ends of the four hoop beams (11) are respectively fixed with the side surfaces of the adjacent stand columns (6) to form a hoop beam group, and a plurality of hoop beam groups are arranged in the vertical direction of the four stand columns (6); the working principle of the lifting device is as follows: starting a winch (2), pulling a steel wire rope B (10) downwards by the winch (2), pulling a transportation platform (1) to ascend by the steel wire rope B (10) through a labor-saving pulley block (9), pulling a wheel (7) to rotate by the steel wire rope B (10) through the labor-saving pulley block (9), driving the steel wire rope A (5) to ascend by pulling the transportation platform (1) through a fixed pulley (3) by the rotation of the wheel (7), and rolling a plurality of guide wheels (8) on four upright posts (6) along four angular points of a tower crane body (12); the linear speed of the steel wire rope B (10) after passing through the labor-saving pulley block (9) is consistent with the linear speed of the steel wire rope A (5).

Drawings

1-transportation platform, 2-winch, 3-fixed pulley, 4-beam, 5-steel wire rope A, 6-column, 7-wheel, 8-guide wheel, 9-pulley block, 10-steel wire rope B, 11-hoop beam and 12-tower crane body.

Fig. 1 is a schematic elevation view of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a top view of the transport platform 1.

Detailed Description

Referring to fig. 1 to 3, the winch 2 is started, the winch 2 pulls the steel wire rope B10 downwards, the steel wire rope B10 pulls the transportation platform 1 to ascend through the labor-saving pulley block 9, meanwhile, the steel wire rope B10 pulls the wheel 7 to rotate through the labor-saving pulley block 9, the rotation of the wheel 7 drives the steel wire rope a5 to pull the transportation platform 1 to ascend through the fixed pulley 3, and meanwhile, a plurality of guide wheels 8 on the four upright posts 6 roll along four angular points of the tower crane body 12.