RU2099627C1 - Complex for repair jobs in pipe lines - Google Patents

Abstract

FIELD: diagnosis and repair of pipe lines. SUBSTANCE: complex includes ground equipment, control and monitoring systems and device movable in pipe line. This device is provided with set of changeable tools for cutting projections, repairing cracks and flaws. Device is provided with hinge unit to facilitate its inserting in pipe under conditions of confined space. Device is provided with TV unit and microphone connected with ground equipment. EFFECT: enhanced efficiency.

Description

 The invention relates to means for repairing damaged lines and pipelines. It is intended for diagnosing the condition of pipelines of underground city communications, identifying defects in pipes and inlets of branch pipes from main pipelines, processing (preparing) inserts, classifying pipe defects, sealing defects and places of insets.

 A remotely controlled device for repairing and sealing a pipeline is known, comprising a trolley equipped with running wheels and moved along the pipeline by means of an engine; the axles of the running wheels are provided with separate drives. On the trolley there is a shaft mounted rotatably around its axis, a flange having a controlled holding element mounted with the possibility of radial movement of the equipment in the form of a processing or cleaning element or unit for feeding filler material, and a television camera with axial movement. The shaft is hollow and connected to the flange. Inside the shaft are the supply lines to the equipment. On the rotary flange there are several retaining elements made in the form of an angular lever. The lever is mounted to rotate around a vertical axis perpendicular to the axis of the shaft. One lever arm is designed to install one apparatus, the other is connected to a control rod located parallel to the axis of the shaft and mounted with the possibility of axial movement by a drive motor (see patent EP N 0204694, class F 16 L 55/18, 1991).

 The disadvantage of this device is the limited functionality and the inability to obtain high-quality repairs.

 The closest technical solution to the claimed one is a device for repair work on damaged pipelines in places inaccessible to humans, containing a trolley on wheels, on which there is a housing with stops, inside which motors and containers are placed for mixing the two components of the gel (sealant), the mount to the body of the tool holder and the television device. Front and rear wheels have independent drives. Electrical wires, as well as compressed air and water, are connected to the elements of the device. Drills, cutters, wire brushes, polishing or metal discs, etc. can be used as tools.

 The tool holder and drills are hollow, through the internal cavities of which coolant enters, and after punching the pipe wall with the drill, the gel mentioned above can be introduced (see patent EP N 0307416, class F 16 L 55/18, 1992). All actions are controlled remotely.

 The disadvantages of this device are: the complexity of the junction of the tool holder and the inability to replace it. This limits the functionality of the tool used. In addition, when entering the device through the well and the pipe, only the television device can be bent, which complicates the process of inserting the device into the pipe.

 The objective of the invention is to improve the usability of the complex while improving the quality of repair work and cost savings.

 This object is achieved in that the complex for repair work in pipelines, comprising a housing with an emphasis mounted on wheels, a television device mounted for rotation, a fracture assembly, a removable tool assembly mounted for radial movement by means of a radial movement mechanism and rotational movement by rotation mechanism, and a control and monitoring system located on the ground complex, connected by electric, hydraulic and pneumatic communication channels with moving mechanisms, is equipped with interchangeable attachment units, a longitudinal movement mechanism, a microphone and a removable tray, with each interchangeable attachment unit, one of which has a removable tool assembly, and a television device are connected to a fracture assembly that is mounted on the shaft a rotation mechanism mounted on the output rod of the longitudinal movement mechanism, a removable tray is placed under the housing and connected to the output rod of the longitudinal movement mechanism, and the microphone is connected by an electric communication channel to the ground complex.

 In addition, the fracture assembly is made in the form of a lever with a slot, one end of which is pivotally mounted on the fixed part of the assembly, and on the moving part the lever is fixed with a threaded rod with the possibility of longitudinal movement of the lever and its rotation along the slot.

 The invention is illustrated by drawings, where in FIG. 1 shows a complex with a television camera, FIG. 2 complex with a television device and a unit of removable attachments, in FIG. 3 shows a connection of a removable attachment; FIG. 3 shows the connection of a removable attachment to the shaft of the rotation mechanism, FIG. 4, 5 and 6 show how the complex starts from the well into the pipeline, in FIG. 8 shows a milling attachment, FIG. 9, section AA in FIG. eight.

 In FIG. 1 shows the pipe 1 in which the complex is located. The complex comprises a housing 2 on wheels 3 with an emphasis 4 and a pallet 5, and a microphone 6 is installed inside it, a fracture assembly 7, interchangeable attachments 8 (see Fig. 2), which is connected to a fracture assembly 7, which is mounted on the shaft of the rotation mechanism mounted on the output rod of the longitudinal movement mechanism 9. On the attachment (milling) there is a removable tool assembly 10 with the possibility of radial and rotational movement due to the connection with the shaft of the rotation mechanism 11, which is installed on the output rod of the longitudinal movement mechanism displacements 9, the television device 12 mounted on a fork swingably. The control mechanisms are located inside the complex (not all are shown in the drawings), to which the communication channels 13 and 14 (pneumatic, hydraulic and electrical) are connected. On these channels, the ground complex 15 receives power and control.

 The housing 2 with a stop 4 and a pallet 5 is a transport module, which is designed to move interchangeable attachments through the pipes and pull the connecting communications along. The pallet 5 is connected to the output rod of the longitudinal movement mechanism, which allows you to protect the communication channels when they are extended.

 The transport module with a television device 12 is designed to detect obvious or hidden defects in the pipelines and to detect the places where the bends are tapped, as well as to monitor the development and sealing of pipe defects.

 The television device (see Fig. 7) consists of a television camera 16 with illuminators (the latter are not shown in the drawing), which is pivotally mounted on an arm 17, an electromechanism of rotation 18 of the television camera, and an electromechanism 19 of the wiper 20 mounted on the housing of the television camera. The electromechanism of rotation 18 can be installed both on the bracket and on the body of the television camera. The rotation of the television camera in the hinge of the bracket in combination with the rotation of the bracket relative to its longitudinal axis using the electromechanism of rotation 11 mounted on the transport module allows continuous inspection of the pipe surface when the transport module moves at a convenient angle of view, as well as observe the process of pipe repair .

 The transport module of the complex is equipped with interchangeable wheels 3 and interchangeable stop 4 for operation in pipes of various diameters.

 The fracture unit 7 is intended to facilitate the input of the complex from the well into the pipe under conditions of limited space in the well (see Fig. 4, 5 and 6).

 Knot 7 is a constant component of the complex, but it can be made in different ways depending on the use of interchangeable attachments.

 Replaceable attachments can be multifunctional: for trimming protruding pipes, cutting cracks and fistulas, and can be performed electromechanical and hydraulic, for banding, for sealing defects.

 Replaceable attachments 8, for example, milling, contains (see Fig. 8) a feed electromechanism 21, the rod 22 of which is connected to a slider 23, on which the casing 24 of the spindle or hydraulic motor is mounted. When the rod 22 is extended, the slider 23, together with the spindle mechanism 24, moves across the pipe. After inserting the cutter 25 to the desired depth, the processing pipe can go both around the pipe circumference and along the pipe. For this, electromechanisms of rotation 11 and longitudinal movement 9 are installed on the transport module.

 Pallet 5 is removable and serves for mechanical protection of communication channels of electric, hydraulic and pneumatic.

 The complex works as follows.

 Through the well, the complex is brought into the pipe, and for convenience, it is fractured at fracture unit 7 (see Figs. 4, 5 and 6). The housing 2 is moved on wheels 3 by a remote control signal from the ground-based complex 15 (see Fig. 1) and, using a television device 12, inspects the inner surface of the pipe. In the case of a defect, it is determined by what method it is rational to eliminate this defect. After which the complex is removed from the pipe, the corresponding assembly of interchangeable attachments is installed.

 Suppose you want to clean the pipe. For this, the milling unit 8 is hung by the television device 12 and the fracture unit 7 and delivered by the transport complex to the defect site so that the tool 10 is oriented to the defect. The supply of the tool 10 is carried out by remote control from the ground complex 15 both in the radial direction, longitudinal, and in the rotational. In this case, the transport module with the stop 14 is fixed in the pipe 1 in a stationary state and after that the repair operation begins.

 Using a television device 12, the operator at the ground complex 15 monitors the progress of the repair. If necessary, the milling unit 8 can be replaced by another, for example, retaining.

 And with the help of a microphone that transmits sound information to the ground-based complex, the operator judges the loads on the mechanism and drives.

 After the repair is completed, the complex is removed from the pipe.

 The claimed complex is reliable, simple in execution and extremely justifies itself, because if the pipelines are damaged, extracting the latter is not only an expensive undertaking, but also sometimes leads to traffic jams, since pipelines are most often located under highways. Using the claimed complex, the cost of repair work of pipelines is significantly reduced.

Claims (2)

 1. A complex for repair work in pipelines, comprising a housing with an abutment mounted on wheels, a television device, a fracture assembly and a removable tool assembly mounted with the possibility of radial movement by means of a radial movement mechanism and rotational movement by a rotation mechanism, and a system located on the ground complex control and control, connected by electric, hydraulic and pneumatic communication channels with movement mechanisms, characterized in that it is equipped with knots interchangeable equipment, a longitudinal movement mechanism, a microphone and a removable tray, with each replacement equipment assembly, one of which has a removable tool assembly, and a television device connected to a fracture assembly that is mounted on a shaft of the rotation mechanism mounted on the output rod of the longitudinal machinery moving, a removable pallet is placed under the housing and connected to the output rod of the longitudinal movement mechanism, and the microphone is connected to the ground complex by an electric communication channel.  2. The complex according to claim 1, characterized in that the fracture assembly is made in the form of a lever with a slot, one end of which is pivotally mounted on the fixed part of the assembly, and on the moving part the lever is fixed with a threaded rod with the possibility of longitudinal movement of the lever and its rotation along the slot.

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