Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Alarm device and method for preventing collision of tower crane

A technology of collision alarm and tower crane, which is applied in the direction of safety devices, transportation and packaging, and load hanging components, etc., can solve the problems of electrical signal interference, large signal fluctuations of potentiometers, data fluctuations, etc., achieve simple installation and fixation, and improve alarm Accurate rate, less disturbing effect

Pending Publication Date: 2022-06-07
上海金虞机械有限公司
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are two necessary conditions for this method: first, the original travel limiter of the tower crane trolley must be fixed with a fixed rod, otherwise the amplitude sensor is difficult to fix, and forcible fixing will cause the original tower crane trolley travel limiter to be damaged. The failure of the fixation is not firm and even the accident of the stopper falling will occur; the second is because the output of the potentiometer is an analog signal, there should be no strong electromagnetic interference from the potentiometer to the cab end, otherwise the electrical signal in transmission will be interfered, and the data prone to large fluctuations
[0004] The travel limiter of the tower crane trolley with the fixed rod structure as the fixed method is easy to cause the stopper of the tower crane trolley to fail due to the corrosion of the fixed rod and the aging of the gasket. As a result, it is difficult to install the amplitude sensor of the existing tower crane collision prevention products. In addition, the new tower cranes generally use variable frequency motors, and the electromagnetic environment is poor, resulting in large fluctuations in the potentiometer signal during transmission, and frequent false alarms

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Alarm device and method for preventing collision of tower crane
  • Alarm device and method for preventing collision of tower crane
  • Alarm device and method for preventing collision of tower crane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] The embodiments of the present invention are described below by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0029] see Figure 1 to Figure 4 . In order to make the advantages of the technical means, embodiments and technical solutions realized by the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the invention generally described and represented in the drawings herein may be arranged and designed in a variety of different configurations.

[0030] Thus, the following detailed description of the embodiments of the invention...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a tower crane collision prevention alarm device which comprises a tower crane rotation limiter and a tower crane trolley stroke limiter which are mounted on a tower crane, and the tower crane is provided with an angle encoder for collecting the operation angle of a cargo boom of the tower crane and an amplitude encoder for collecting the operation stroke of a tower crane trolley. The angle encoder is connected to a tower crane rotation limiter, and the amplitude encoder is connected to a tower crane trolley stroke limiter; the angle encoder and the amplitude encoder are electrically connected with a main machine installed on the tower crane. According to the alarm device and method for preventing collision of the tower crane, through ingenious design, collision between a trolley steel wire rope of a high tower crane and a cargo boom of a low tower crane during multi-tower operation is effectively prevented, and a hoisted object is prevented from passing over a crowded area or other areas needing to be protected; the angle encoder and the amplitude encoder can be simply installed and fixed, signal transmission is not easily interfered, and the alarm accuracy is improved.

Description

technical field [0001] The invention relates to the technical field of tower cranes, in particular to a tower crane collision prevention alarm device and method. Background technique [0002] In the construction process of construction projects, due to reasons such as construction period requirements, site restrictions, building structure needs, etc., tower cranes (commonly known as: tower cranes) mostly have cross-use phenomena. The so-called cross use of tower cranes means that the booms of two or more tower cranes cross during work. Although the heights of adjacent tower cranes are different according to relevant regulations, there will be no cross collision between the booms, but relatively high. The wire ropes on the tower cranes of the highest level will collide with the booms of the relatively low tower cranes. Due to the negligence of the tower crane driver and the tower crane signal worker, collision accidents often occur. In light of damage to the wire rope, in s...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B66C23/90B66C15/04B66C15/06
CPCB66C23/905B66C15/045B66C15/065
Inventor 褚利明郁昺瑜余维耀郑爱伟李光如
Owner 上海金虞机械有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products