RU2008103867A

RU2008103867A - SPEED CONTROL METHOD AND IN-TUBE DEFECTOSCOPE APPARATUS WITH REGULATED MOVEMENT SPEED

Info

Publication number: RU2008103867A
Application number: RU2008103867/06A
Authority: RU
Inventors: Андрей Иванович Синев (RU); Андрей Иванович Синев
Original assignee: Закрытое акционерное общество "Газприборавтоматикасервис" (RU); Закрытое акционерное общество "Газприборавтоматикасервис"
Priority date: 2008-01-31
Filing date: 2008-01-31
Publication date: 2009-08-10
Also published as: RU2395750C2

Abstract

1. Способ регулирования скорости внутритрубного снаряда-дефектоскопа, включающий приемы измерения параметров материала стенок трубопровода и величин электрических сигналов, зафиксированных дефектоскопическими датчиками при наличии дефектов в процессе перемещений снаряда-дефектоскопа по трубопроводу в потоке транспортируемого продукта, определение, регистрацию и запоминание координат выявленных дефектов, выработку системой управления параметров заданного движения, отличающийся тем, что по команде из системы управления производят регулирование скорости движения устройства, которое осуществляют по перекрытию или открытию площади проходных отверстий, осуществляемых путем перемещения заднего модуля снаряда, содержащего запорные клапаны, по отношению к переднему, на основе установленной зависимости скорости движения снаряда V, определяемой по одометру, от величины площади S открытия проходных отверстий V=V(S), где программное перемещение заднего модуля относительно переднего модуля задается системой управления на основе установленной обратной зависимости S=S(V) в соответствии с формулой ! , ! где R0 - радиус каждого проходного отверстия; ! L0 - длина запорного конуса; ! n=4 - число проходных отверстий; ! y - перемещение заднего модуля относительно переднего, которое ! осуществляется четырьмя гидродвигателями. ! 2. Внутритрубный снаряд-дефектоскоп с регулируемой скоростью движения, содержащий цилиндрический корпус, манжеты, колесные опоры, проходные отверстия для пропуска продукта вдоль корпуса, реверсивный гидропривод, устройство с запорными клапанами для регулирования площади проходных отверстий, систему у�1. A method of controlling the speed of an in-tube projectile flaw detector, including methods for measuring the parameters of the material of the walls of the pipeline and the magnitude of the electrical signals recorded by flaw detectors in the presence of defects during the movement of the flaw detector through the pipeline in the flow of the transported product, determining, recording and storing the coordinates of the detected defects, the development by the control system of the parameters of a given movement, characterized in that, on a command from the control system, producing adjusting the speed of movement of the device, which is carried out by overlapping or opening the area of the through holes, carried out by moving the rear module of the projectile containing shutoff valves, relative to the front, based on the established dependence of the speed of the projectile V, determined by the odometer, on the size of the area S of the opening of the passage holes V = V (S), where the programmed movement of the rear module relative to the front module is set by the control system based on the established inverse relationship S = S (V) in s responsible with the formula! ! where R0 is the radius of each bore; ! L0 is the length of the locking cone; ! n = 4 is the number of passage holes; ! y is the movement of the rear module relative to the front one, which! carried out by four hydraulic motors. ! 2. An in-line projectile flaw detector with adjustable speed, comprising a cylindrical body, cuffs, wheel bearings, passage openings for passing the product along the housing, a reversible hydraulic actuator, a device with shut-off valves for regulating the area of passage openings, a system

Claims

1. A method of controlling the speed of an in-tube projectile flaw detector, including methods for measuring the parameters of the material of the walls of the pipeline and the magnitude of the electrical signals recorded by flaw detectors in the presence of defects during the movement of the flaw detector through the pipeline in the flow of the transported product, determining, recording and storing the coordinates of the detected defects, the development by the control system of the parameters of a given movement, characterized in that, on a command from the control system, producing adjusting the speed of movement of the device, which is carried out by overlapping or opening the area of the through holes, carried out by moving the rear module of the projectile containing shutoff valves, relative to the front, based on the established dependence of the speed of the projectile V, determined by the odometer, on the size of the area S of the opening of the passage holes V = V (S), where the programmed movement of the rear module relative to the front module is set by the control system based on the established inverse relationship S = S (V) in s otvetstvii of formula

,

where R ₀ is the radius of each bore;

L ₀ is the length of the locking cone;

n = 4 is the number of passage holes;

y is the movement of the rear module relative to the front one, which

carried out by four hydraulic motors.

2. An in-line projectile flaw detector with adjustable speed, comprising a cylindrical body, cuffs, wheel bearings, passage openings for passing the product along the housing, a reversible hydraulic actuator, a device with shut-off valves for regulating the area of passage openings, a control system enclosed in a sealed container, and flaw detectors sensors, a device for recording and storing information, characterized in that a second sealed container, a cylinder, is additionally introduced into the composition of the flaw detector The housing is made in the form of a front module, to which a rear module is connected, which is movable in the longitudinal direction relative to the front one and contains conical shut-off valves entering the passages of the front module, while the rear module is made in the form of front and rear steel walls with openings connected between a shell in the form of a hollow cylinder with bulges, into which rods with conical shut-off valves are inserted in the front parts, a polyurethane support cylinder with her and the rear cuffs mating with the cylinder of the front module, while the second sealed container is connected coaxially with the end of the front module of the cylindrical housing, inside it there is a hydraulic pump electric motor, a distributor electric drive, a fluid reservoir and a hydraulic motor control system, are installed on the four outer faces of the second sealed container four hydraulic motors, the rods of which are connected by elastic nodes to the rear cover of the rear projectile module, while the rods are equipped with sensors rooms whose outputs are connected to the corresponding inputs of the control system.