RU119006U1 - MOBILE AREA FOR PERFORMING WELDING AND INSTALLATION WORKS AT HEIGHT - Google Patents

Abstract

1. A mobile platform for performing welding and installation works at a height, including a working platform, a railing, characterized in that the platform is a metal structure divided into two parts, located perpendicular to the main axis of the pipeline and connected with slings and stiffeners, in the upper part of the structures a working platform is installed, the flooring on the working platform is an expanded metal sheet with stiffeners, an eye bolt is attached to the stiffeners, with the ability to move the platform in the vertical plane using telescopic racks using lifting devices with all technological equipment, and moving to various places work is carried out on a sled using a traction device, a tent is installed on the working platform, which has an aluminum frame and is covered with a tarpaulin with the ability to prevent the ingress of precipitation and wind, as well as to create a microclimate that allows ь welding and quality control of welded joints in conditions of low temperatures down to minus 50 ° С, doors and windows are provided in the tent, the tent is also equipped with a current supply for connecting electrical appliances, a heat "gun" for supplying hot air, supply and exhaust ventilation, which provides air movement at a speed of at least 0.5 m / s, lighting devices that provide illumination of the workplace at least 500 lux, welding equipment, locksmith tools, a set of equipment and tools for non-destructive testing of welded joints, in the roof of the tent, etc.

Description

The utility model relates to construction, and specifically to the production of welding and installation work in the construction of elevated pipelines located at an installation height of up to 4 meters.

A known design of a mobile site for the repair and construction of high-rise industrial pipes, including load-bearing metal structures and flooring. Moreover, it is formed by separate rectilinear sections containing supporting metal structures and flooring, which are pivotally connected to each other in a polygonal system, covering the pipe from the outside, each of the rectilinear sections at one end being equipped with a guide frame pivotally mounted on it, located under this end, moreover, at each such end of the rectilinear section, a horizontal displacement section drive is installed, forming a synchronized system of horizontal movements of all sections for an adjustable polygon device, while the rectilinear sections also contain synchronized vertical platform displacement drives located at the locations of the guide frames (see RF patent No. 2352742 of 04/20/2009).

The disadvantage of this site is the inability to quickly move it along the highway.

A known construction-repair-construction tower structure, comprising a frame base mounted on a support, a sectional trunk connected to it and a platform located on the trunk, is equipped with flexible rods of variable length with devices for detachable connection with the frame base and sectional trunk, reinforcing mechanisms for raising and lowering the sectional barrel and fixing it in the working position, while the supports are adjustable (see RF patent No. 2073779 of 02.20.1997).

The disadvantage of such a tower is a small-sized working area, the ability to work only one specialist.

There is also known a device for performing work on pipelines of an overpass, including a working platform, a railing and a mechanism for fixing the platform on pipelines, the platform is equipped with support wheels in contact with the surface of the pipeline, and the fixing mechanism is made in the form of a flexible tape covering the pipeline, and the device is equipped with two scaffolds, pivotally mounted on two vertical pipes to which the platform is rigidly attached, said fixing mechanism is provided with a lever clamp, and the platform is moved It is remotely produced using a rope and rotation of one or two blocks rigidly fixed on the ends of the shaft, which is fixed under the platform, while the shaft is rubberized and rests on the pipeline when moving, and to ensure stability the device is equipped with a pendulum suspension with a counterweight mounted on two vertical pipes in their lower part, and in the upper part of the said pipes are arranged concentrically to them pipes of smaller diameter, mounted for rotation around a vertical axis and equipped with nnye jib crane for lifting the platform by a winch. The counterweight is made in the form of two weights pivotally mounted at the ends of the pipes with the possibility of their rotation around the vertical axis (see RF patent No. 76663 of 09/27/2008).

The disadvantage of this device is the impossibility of its use in the construction of pipelines, because as a support, you can not use loose pipes, the inability to quickly move to another installation site. Also, this design cannot be used for repairs, as fastening on the pipe will damage the thermal insulation of the pipeline and at the installation height of up to 4 meters, as well as at ambient temperatures up to minus 50 ° C.

The problem the utility model aims to solve is to ensure the use of the site in the construction of pipelines and their repair, welding and installation works and works on the quality control of welded joints with non-destructive methods (visual and measuring control, ultrasonic testing, x-ray inspection, penetrating substances) at ambient temperatures up to minus 50 ° C at an installation height of up to 4 meters, as well as prompt movement to another place of work.

The technical result that can be obtained by implementing this utility model is to reduce the time it takes to move the proposed design and conduct welding and installation work at the installation height and quality control of welded joints by non-destructive methods at ambient temperatures up to minus 50 ° C at an installation height of 4 meters.

Moreover, the mobile platform for welding and installation work at a height includes a working platform, the railing according to a utility model, the platform is a metal structure divided into two parts, located perpendicular to the main axis of the pipeline, and connected by slings and stiffeners, and a working one is installed in the upper part of the structures platform, flooring on the working platform represents an expanded metal sheet with stiffeners, an eye bolt is attached to the stiffeners, with the ability to move a site in the vertical plane using telescopic racks using lifting devices with all technological equipment, and moving to various places of work is carried out on rails using a traction device, a tent is installed on the work platform, which has an aluminum frame and is covered with a tarpaulin to prevent atmospheric precipitation and wind, as well as to create a microclimate that allows you to perform welding work and work on quality control of welded joints in conditions of low temperatures to minus 50 ° C, doors and windows are provided in the tent, the tent is also equipped with a current lead for connecting electrical appliances, a heat “gun” for supplying hot air, supply and exhaust ventilation, providing air movement at a speed of at least 0.5 m / s, lighting devices providing illumination of the workplace of at least 500 lux, welding equipment, bench tools, a set of equipment and tools for non-destructive testing of welded joints, the roof fell A technological hole is provided for pulling a sling.

Telescopic racks provide a change in platform height from 1000 to 4000 mm in increments of 150 mm, and the telescopic racks are rigidly connected to the rails, which in turn are attached to a triangular frame that allows the platform to be moved, and the platform is fixed in the working position with with the help of fixing pins installed in through holes on slide rails with the possibility of maintaining structural stability from tipping over and moving in a loaded state at wind speeds up to 20 m / s .

The utility model is illustrated by a drawing, which shows a general view of a mobile platform for welding and installation work at a height. The drawing shows the following notation: 1 - platform 2 - tent; 3 - doors; 4 - windows; 5 - telescopic racks; 6 - slide; 7 - eye bolt; 8 - a triangular frame; 9 - fixing pins; 10 - slings; 11 - telescopic ladder; 12 - railing; 13 - work site; 14 - pipeline; 15 - stiffener.

Site 1 is intended for assembly and welding during overhead installation of sections of trunk pipelines at a height of up to 4 meters from the surface of the earth. The site is a distributed metal structure with a working area that allows 5 workers to simultaneously perform assembly and welding work. The site is perpendicular to the main axis of the pipeline 14.

Unlike the prototype, the platform allows you to change the dimensions in the plan using telescopic racks 5 and move to various places of work, and the movement is carried out on the slide 6 using a traction device. Metal structures are interconnected by slings 10 and stiffeners 15.

A work platform 13 with a size of 5100 × 3500 mm and a railing 12 with a height of 1250 mm is installed in the upper part of the structure, which allows ensuring labor safety when performing welding and installation works at a height of up to 4 meters. The flooring on the working platform 13 represents a expanded metal sheet with stiffeners, which does not allow slipping of workers' shoes and protects against industrial injuries.

An eyebolt 7 is attached to the stiffening ribs 15, which allows changing the dimensions in the plan (moving the platform in a vertical plane) with all technological equipment for welding and installation work and work on quality control of welded joints using lifting devices.

Work.

A tent 2 is installed on the working platform 13, having an aluminum frame and covered with a tarpaulin. In order to prevent the ingress of atmospheric precipitation and wind, as well as to create a microclimate (with a temperature of at least 10 ° C), which allows welding and quality control work on welded joints at low temperatures (up to min 50 ° C). The tent design includes entrance / exit doors 3, windows 4 for additional ventilation, if necessary, accelerated removal of toxic welding gases and aerosols. Tent 2 is also equipped with a current lead for connecting electrical appliances, a heat “gun” for supplying hot air, supply and exhaust ventilation, providing air movement at a speed of at least 0.5 m / s (in accordance with sanitary rules for welding No. 1009-73), lighting devices providing a workplace illumination of at least 500 lux (in accordance with SP 52.1333.30.2011). Tent 2 is designed for simultaneous work of 5 people. It is also equipped with welding equipment, bench tools, a set of equipment and tools for non-destructive testing of welded joints. The design of the roof of the tent provides a technological hole for dragging the sling 10.

To ensure the work of personnel at different heights, platform 1 is equipped with telescopic racks 5, which allow changing the working height in the range from 1000 to 4000 mm in increments of 150 mm. The racks are rigidly connected to the slide 6, which in turn is attached to a triangular frame 8, which allows the platform to be moved.

The platform 1 is fixed in the working position by means of fixing pins 9 installed in the through holes on the slide rails 6 (the diameter of the pins is 48 mm, the working length is 560 mm), which allows the structure to remain stable (from tipping and moving) when loaded wind speeds up to 20 m / s.

The research and development work carried out at the Research Institute for the Transport of Oil and Oil Products, as well as on-site experimental work in the Far North region under production conditions at temperatures up to minus 50 ° C inclusive, showed the following design parameters, which are shown in Table 1.

Table 1. Parameter Designation Value, mm Pad length Lp 5100 Pad width Vp 3500 Railing Height Np 1250 Platform height N up to 3500 Total pad length L 6500 Total width of the site AT 3000 Distance between fixing pins Lш 3500

Using the proposed utility model reduces the time required for moving the proposed structure and carrying out welding and installation work at the installation height and works on quality control of welded joints by non-destructive methods at ambient temperatures up to minus 50 ° C at the installation height of up to 4 meters.

Claims (2)

1. A mobile platform for welding and installation work at a height that includes a working platform, a railing, characterized in that the site is a metal structure divided into two parts, located perpendicular to the main axis of the pipeline and connected by slings and stiffeners, in the upper part of the structures a working platform is installed, the flooring on the working platform represents an expanded metal sheet with stiffeners, an eye bolt is attached to the stiffening ribs, with the ability to move the platform in a vertical plane using telescopic racks using lifting devices with all the technological equipment, and moving to various places of work is carried out on a slide using a traction device, a tent is installed on the work platform with an aluminum frame and covered with a tarpaulin to prevent atmospheric precipitation and wind, as well as to create a microclimate that allows you to perform welding and quality control work on welded joints in condition low temperatures to minus 50 ° С, doors and windows are provided in the tent, the tent is also equipped with a current lead for connecting electrical appliances, a heat “gun” for supplying hot air, supply and exhaust ventilation, providing air movement at a speed of at least 0.5 m / with lighting devices providing illumination of the workplace of at least 500 lux, welding equipment, bench tools, a set of equipment and tools for non-destructive testing of welded joints, in the roof of the tent dusmotreno technological hole for pulling the sling. 2. The platform is mobile, characterized in that the telescopic racks provide a change in the height of the working platform in the range from 1000 to 4000 mm in increments of 150 mm, and the telescopic racks are rigidly connected to the rails, which in turn are attached to a triangular frame that allows the platform to be moved, and the platform is fixed in the working position by means of fixing pins installed in the through holes on the slide rails with the possibility of maintaining the stability of the structure from tipping over and moving in the load angling state at a wind speed of 20 m / s.