BG62826B1 - Modular telescopic system - Google Patents

Abstract

The modular telescopic system is used in the nuclear power industry. By it control is exercised on the internal housing equipment of nuclear reactors and carrying out of all operations, related to the control, diagnostics and repairs is ensured, including reliable biological protection. The system is made of a canal housing (1) mobile connected by means of a separator bearing (2) to a mobile telescope (3). On the inner side of the telescope (3) a threaded (4) and a stopper (5) plug with fixator (6) are mounted between which a spherical bearing (7) is fitted engaging an internal jacket (8). In the lower part of the mobile telescope (3) a stand bearing (9) is fitted to which a screw frame (10) is mounted with a vernier (11) passing through it, and a yoke (12), stopper (13) and spacer (14) being connected to it. A column shock-absorber (15) is mounted to the front part of housing (8) to which an upper guide (16) and screw vernier (17) are fitted, in the lower paret of which a lower guide (18) is fitted. A screw vernier (19) is mounted between telescope (3) and bushing (4) getting across a guide (20). In the lower part of housing (1) a position fixator (21) is mounted getting through the telescope (3) and fixed by a spacer (22). Module M is mounted in the lower part of houising (8) including biological protection. 9 claims, 9 figures

Description

The invention relates to a modular telescopic system, which is intended for mounting on radiation-protected containers for the control, diagnosis and repair in high-pressure environment of highly radioactive nuclear reactor equipment.

BACKGROUND OF THE INVENTION

A device for working in an environment with ionizing radiation is known, which is mounted in the wall of a security cabin and contains a housing, a telescopic unit, a working body and biological protection. A pinyon, which has an external and an inverted internal unit, passes through the housing. A D-shaped working body, fitted with two gears and drums kinematically connected to a gear tooth, is attached to the exterior unit of the rotary pin, which is fixed to the exterior unit of the pinion. The working body is connected to the inner unit of the pinion by means of a conical gear and has an internal movable telescopic unit which is tensioned by springs to the outer unit of the pinion and is kinematically connected by a rope system to the gears and drums. The inside of the pinyon is filled with bioprotective lead glass. The invention relates to devices for the delivery of a working body in the area for repair and inspection of radioactive objects under conditions of high radiation.

The disadvantage of the device is the inability to sequentially perform more than one technological operation related to the diagnosis, repair of defects, sampling from the walls of nuclear reactor equipment and control of the operations carried out, without removing the protective cabin from the highly radioactive environment, as a result of which the accuracy of the operations performed is insufficient.

SUMMARY OF THE INVENTION

It is an object of the invention to provide a modular telescopic system providing sequential execution of more than one operation related to monitoring and control, the need for repair and sampling from the walls of nuclear reactor equipment, as well as biological protection against radioactive radiation and from contamination with the external radioactive environment of the service personnel.

The modular telescopic system includes a housing, a telescope, a working body and biological protection. According to the invention, the housing is a duct, movably connected by a bearing separator with a mobile telescope. On the inside of the telescope, a threaded sleeve and a locking sleeve with a retainer are mounted, between which is a ball bearing in which an inner casing is mounted. At the bottom of the mobile telescope is mounted a bearing stand, to which is mounted a frame-screw with a through-the-sheath and a clamp, stop and restraint are engaged. A shock absorber column is fitted to the front of the inner housing, to which a top guide and a screw-nipper are attached. at the bottom of which a lower guide is engaged. Between the movable telescope and the threaded sleeve is built-in screw-guide passing through the guide. In the lower part of the duct housing is installed a position lock, passing through the movable telescope and fixed with a stop. For carrying out the separate technological operations, related to the control, repair and sampling from the walls of the nuclear reactor equipment inside the inner casing, working bodies are mounted in a certain sequence for carrying out the respective technological operation, consisting of telescopic modules M01 to M08 , including biological protection.

The M01 telescopic module is made up of a telescope with a diaphragm and protection columns built into it through a telescope, forming a pressure chamber. An indicator device, a hardness gauge and a camera are placed through the diaphragm and protection. An indicator is mounted to the indicator device via a guide.

The M02 telescopic module is designed as a telescope with remote mounted diaphragm feeder and protection to form an overpressure chamber. A magnetic trap and cutting tool are placed in front of the guard. An actuator is mounted in the protection to which an engine is attached and a regulator is attached to it.

The MOH telescopic module is made up of a telescope with a built-in elastic connection and a chamber forming a pressure chamber. A feeder, a carrier and a spectral head pass through them. An indicator is attached to the carrier end by a stand.

The M04 telescopic module is designed as a telescope with remote mounted diaphragm feeder and protection to form an overpressure chamber. In the diaphragm feeder is a built-in motor connected via a drive through a fuse with a tool.

The telescopic module M05 is designed as a telescope in which a diaphragm and a piston forming an overpressure chamber are placed through columns and a piston rod connected to a vernier. A diaphragm, a cartridge with a filler and a mixer are integrated in the front of the piston. At the back of the telescope is mounted a pressure gauge connected to columns by an elastic link.

The M06 telescopic module is designed as a telescope, in which a receiver is mounted and connected by means of remote diaphragm columns and protection to form a pressure chamber. There is a collimator in the diaphragm and protection, interchangeable with an obscure camera or gamma control probe.

The M07 telescopic module is designed as a telescope with a diaphragm and protection, forming an overpressure chamber, placed and connected to it by remote columns. A grinder and a cutting tool are mounted in front of the short-bar, screw-nipper and radius bar protection. A feeder and a guide pass through the diaphragm and protection.

The telescopic module M08 is configured as a telescope is housed therein interconnected by diaphragm support columns and protectors forming a pressure chamber. An actuator driven by an engine is mounted in the diaphragm. A power head is attached to the output of the actuator and protection with a fuse and tool mounted on it.

The advantages of the invention lie in the fact that unified modules comprising the control-diagnostic and repair cycle are included in a modular telescopic system. There is complete interchangeability of the individual modules, the service is simplified, the system is flexible in the order of technological operations and the possibility for incorporation into another reactor revision system has been created. It is also possible to carry out more than one technological operation related to inspection, diagnostics, repair of defects, sampling from the walls of nuclear reactor equipment and control of the operations carried out without removing the protective cabin from the highly radioactive environment. Protection against radioactive radiation and contamination with the radioactive external environment is provided.

Description of the attached figures

An exemplary embodiment of a modular telescopic system is shown in the accompanying figures, of which:

Figure 1 is a longitudinal section view of the modular telescopic system;

Figure 2 is a longitudinal sectional view of a telescopic module M01 for television inspection, indicator control and surface hardness control;

Figure 3 is a longitudinal sectional view of a telescopic module M02 for grinding and trapping of metal dust;

Figure 4 is a longitudinal sectional view of a MOH telescopic module for performing spectral analysis;

Figure 5 is a longitudinal sectional view of a telescopic module M04 for the precise processing of defects or layer-by-layer chips for chemical analysis;

FIG. 6 is a longitudinal section view of a telescopic module M05 which is capable of capturing a defect volumetric footprint; FIG.

Figure 7 is a longitudinal sectional view of a telescopic module M06 of the collimator receiver system, gamma-ray probe and obscure camera, for coordinate assessment of surface defects;

8 is a longitudinal sectional view of a telescopic module M07 for grinding the inlet and outlet manifolds, the transitions between them and the reactor vessel;

FIG. 9 is a longitudinal sectional view of a telescopic M08 module with a milling device for rough treatment of surfaces, seams and the like.

An exemplary embodiment of the invention

The modular telescopic system includes a duct housing 1, which is movably connected by a bearing separator 2 to a movable telescope 3. A threaded sleeve 4 and a retaining sleeve 5 with a retainer 6 are mounted on the inside of the telescope 3, between which a ball bearing 7 is mounted, in which it is mounted. inner housing 8. At the lower part of the movable telescope 3 is a retaining bearing 9, to which a frame screw 10 is mounted with a notch 11 passing through it, and a clamp 12, a lock 13 and a stop 14 are fastened to the front part of the housing 8. shock absorber column 15 to which is attached a top guide 16 and a screw-nius 17, at the bottom of which a lower guide 18 is attached. Between the movable telescope 3 and the threaded sleeve 4 is a screw-nius 19 passing through guide 20. A lower housing 1 is mounted in the lower part of the channel housing 1. position 21 locking through movable telescope 3 and fixed with stop 22. Telescopic modules are mounted in series at the front of housing 8. Each of these modules includes a pressure generating chamber which serves as biological protection against radioactive radiation. and pollution not with the external radioactive environment of the service personnel.

The M01 telescopic module enables TV viewing, indicator control, and surface hardness control. It includes a telescope 23 in which a diaphragm 24 and a protection 25 forming a pressure chamber are incorporated by means of remote columns 26, in which a standard compressed gas supply circuit generates a pressure, thereby providing two-stage biological protection. An indicator device 27, a hardness gauge 28 and a chamber 29 are placed through the diaphragm 24 and the protection 25. An indicator 31 is mounted to the indicator device 27 via a guide element 30.

The telescopic module M02 for grinding the section is made of a telescope 32, in which the spacer 33 and the shield 34 are formed by means of remote columns 35, forming a pressure chamber, in which a standard compressed gas supply circuit generates pressure, thereby In this way two-tier biological protection is achieved. In front of the protection 34 there is a magnetic pickup for metal dust for analysis 36 and a cutting tool 37. A speed actuator 38 is mounted in the protection 34, to which the motor 39 is attached, and to it a regulator 40.

The telescopic module M03 for spectral analysis and evaluation of the contact force on the housing is made of a telescope 41 in which an elastic connection 42 and a chamber 43 are incorporated therein, a spectral head of a quantometer 46 with a feeder 44 and a carrier 45 passing through the chamber. which is the captured spectral head. An indicator 48 is captured in the carrier portion 45 via a support 47. An overpressure for biological protection is created in the chamber 43 through an argon feed system.

The telescopic module M04 is made up of a telescope 49, in which the diaphragm feeder 50 and the protection 51 forming the overpressure chamber are placed by means of spacers 52, in which a standard compressed gas supply circuit generates overpressure, thus biological Protection. In the diaphragm feeder 50 there is a motor 53 connected via actuator 54 through a fuse 55 with a tool 56. It serves for precise processing of defects or layering of chips for chemical analysis.

The telescopic module M05 is made up of a telescope 57 with columns 60 therein, and a piston rod 61 connected to a vernier 62, aperture 58 and a piston 59 forming a pressure chamber, in which a standard compressed gas supply circuit generates overpressure, such as thus biological protection is achieved. A diaphragm 63, a cartridge 64 and a mixer 65 are mounted in the front of the piston 59. A pressure gauge 66 connected to the columns 60 is mounted on the back of the telescope 57 by means of an elastic link 67. This module removes a defect volume imprint.

The telescopic module M06 is made up of a telescope 68 in which a receiver 69 is mounted and connected via spacers 72 of the diaphragm 70 and a protection 71 forming a pressure chamber, in which a standard compressed gas supply circuit generates pressure, thereby biological protection is carried out. In the diaphragm 70 and the guard 71 is a collimator 73, interchangeable with a camera obscura or a probe for gamma control.

The telescopic module M07 is made up of a telescope 74 housed therein and connected to one another via spacer columns 7 of the diaphragm 75 and a protection 76 forming a pressure chamber, in which a standard compressed gas supply circuit generates pressure, thereby provides biological protection. A grinder 81 and a cutting tool 82 are mounted in the front of the protection 76 through short rods 78, screw screw 79 and radius rods 80, through which the feeder 83 and the guide 84 pass through the diaphragm 75 and the protection 76. This module is intended for grinding.

The telescopic module M08 is made up of a telescope 85 in which are connected interconnected by supporting columns 88 of the diaphragm 86 and protection 87 forming a pressure chamber, in which a standard compressed gas supply circuit generates overpressure, thereby provides biological protection. An actuator 89, driven by an engine 90, is mounted in the diaphragm 86. A power head 91 is attached to the output of the actuator 89 and the protection 87 with a fuse 92 and a tool 93 attached thereto. This module is intended for rough treatment of surfaces, seams and others.

Application of the invention

The modular telescopic system, as described, shall be mounted by means of a duct housing 1 to a universal inspection booth housed in a nuclear reactor enclosure or similar facility. The bearing separator 2 of the movable telescope 3 is moved to the extreme rear transport position and is fixed by a lock on position 21 and a stop 22. Remove the elements upper guide 16, screw-nius 17 and lower guide 18, and then place in the housing 8 telescopic module M, which is oriented in the transport position, then locked with a stop 13 and a stop 14. In this type of system is lowered to the working section of the reactor vessel, the movable telescope 3 moves to make front contact with the housing ofeaktora and fixed with fixative at position 21 and a stop 22. The telescopic module M is otstoporyava with stop 13 and is oriented in the operational position. With the help of nunius 11, the system is centered on the axis according to the reports of the indicator, and with the help of nunius 19 the system is centered on the concavity or convexity on the reports of the indicator. After this adjustment, the modular telescopic system is ready for operation, and the operating technology is the decisive factor in the sequence of operation with the telescopic modules M01-M08. Each of the telescopic modules M operates as an element of the system in the following order.

The telescopic module M01 creates the possibility of television inspection, indicator control and control of the surface by hardness, after mounting to the system as far as it will go in the "camera" position, it enables the television inspection of the section, in the "indicator" position evaluates the position of the system with respect to the section, and in the "hardness" position, the hardness of the metal is checked.

The telescopic module M02, after mounting to the system as far as it will go, locking it with a stop 13 and a stop 14 and installing an upper guide 16, a screw-nipper 17 and a lower guide 18 performs surface grinding and magnetic capture of the metal dust for analysis.

The MOH telescopic module, after mounting to the system until it stops and locks with a stop 13 and a stop 14, provides, through a chamber 43, an elastic connection 42 and an indicator 48, conditions for contact with the reactor vessel surface to perform spectral analysis and evaluation of the contact force on the housing of the reactor.

The telescopic module M04, after mounting to the system to the stop and locking by means of upper guide 16, screw-nius 17 and lower guide 18, performs precise milling of the defect or layer-by-layer chipping for layer-by-layer analyzes of the state of the metal.

The telescopic module M05, after mounting to the system as far as it will go, locking it with locks 13 and 14 and rotating the nooni 62, provides tearing of the cartridge 63 with the filler 64 passing through the mixer 65, and forming a defect impression.

The telescopic module M06, after mounting to the system to the stop by a collimator 73 and locking by stoppers 13 and 14, divides the surface of point sources whose impulses flow into the receiver 65 and from there into the analog system. When carrying out a gammacontrol, a gamcontrol probe is installed at the site of collimator 73, and if necessary, a pinhole camera is mounted at the same location.

The telescopic module M07, after mounting to the system to the stop and locking by locks 13 and 14, provides, by actuation of the noonius 79, the opening and closing of the arms 78 and 80, to which a grinding machine 81 is secured by means of supports, thereby changing the range of the machined diameter or transition.

The telescopic module M08, after mounting to the system until it stops and locks by locking position 21 and restraint 22 by motor 90, speed actuator 89, power head 91, fuse 92 and tool 93 performs cold treatment on the reactor vessel.

Claims (9)

A modular telescopic system comprising a housing, a telescope, a working body and biological protection, characterized in that the housing (1) is a duct, which is movably connected by a bearing separator (2) to a telescope (3), on the inside of which are mounted threaded sleeve (4) and locking sleeve (5) with retainer (6), between which is mounted a ball bearing (7), enclosing an inner casing (8), with a bearing stand attached to the lower part of the movable telescope (3). (9) to which a framing screw (10) is mounted, with a taper (11) passing through it, and is clamped with a clamp (12), a lock (13) and a stop (14), in which a shock absorber column (15) is mounted to the front part of the housing (8) to which an upper guide (16) and a screw-vernier (17) are mounted, at which a lower guide (4) is attached at the bottom. 18), with a screw-nipper (19) passing through the guide (20) between the movable telescope (3) and the threaded sleeve (4), with a position lock (21) mounted in the lower part of the channel housing (1). ) passing through the movable telescope (3) and fixed with a stop (22), and in the front part of the casing (8) is mounted the working body, which is a telescopic module M, incl. USD biological protection. A modular telescopic system according to claim 1, characterized in that the telescopic module M is designed as a telescopic module M01, comprising a telescope (23) having a diaphragm (24) and protection (25) integrated therein by means of spacers (26). forming an overpressure chamber, through which an indicator device (27), a hardness gauge (28) and a chamber (29) are placed through the diaphragm (24) and the protection (25), whereby a guide element (30) is mounted to the indicator device (27) indicator (31). Modular telescopic system according to claim 1, characterized in that the telescopic module M is designed as a telescopic module M02, comprising a telescope (32) with integral diaphragm feeder (33) and protection (34) integrated therein. ) forming a pressure chamber, with a magnetic trap (36) and a cutting tool (37) in the front of the protection (34), in which a drive (38) is mounted in the protection (34) to which the motor ( 39) and the regulator (40). Modular telescopic system according to claim 1, characterized in that the telescopic module M is configured as a telescopic module M03 comprising a telescope (41) with an elastic connection (42) and a chamber (43) representing a pressure chamber, a feeder (44), a carrier (45) and a trapped spectral head (46), with an indicator (48) attached to the front of the carrier (45) by means of a stand (47). A modular telescopic system according to claim 1, characterized in that the telescopic module M is configured as a telescopic module M04, comprising a telescope (49) placed therein by means of remote columns (52) a diaphragm feeder (50) and protection (51) ), forming an overpressure chamber, with an engine (53) integrated in the diaphragm feeder (50) connected via actuator (54) and a fuse (55) with a tool (56). A modular telescopic system according to claim 1, characterized in that the telescopic module M is constructed as a telescopic module M05, comprising a telescope (57) with columns (60) and a piston rod (61) connected to a nonius (62). ), a diaphragm (58) and a piston (59), the latter two forming a pressure chamber, and in the front of the piston (59) there is a diaphragm (63), a cartridge with a filler (64) and a mixer (65), and in 5, a pressure gauge (66) is mounted on the back of the telescope (57) connected to columns (60) by an elastic link (67). Modular telescopic system according to claim 1, characterized in that the telescopic module M is designed as a telescopic module M06, comprising a telescope (68) with a receiver (69) integrated therein and connected by a spacer (72) to the diaphragm (70). and protection (71) forming an overpressure chamber, wherein a collimator (73) is replaceable in the diaphragm (70) and the protection (71), interchangeable with an obscure chamber or a gamma-ray probe. A modular telescopic system according to claim 1, characterized in that the telescopic module M is configured as a telescopic module M07 comprising a telescope (74) arranged therein by means of spacers (77), a diaphragm (75) and protection (76) forming a pressure chamber, with a grinding machine (81) and a cutting tool (82) mounted in the front of the protection (76) by means of short rods (78), screw-nipples (79) and radius rods (80). ), through which the feeder (83) and the guide (84) pass through the diaphragm (75) and the protection (76). A modular telescopic system according to claim 1, characterized in that the telescopic module M is configured as a telescopic module M08 comprising a telescope (85) arranged therein by means of supporting columns (88), a diaphragm (86) and protection (87) forming an overpressure chamber, with an actuator (89) mounted on the diaphragm (86) driven by an engine (90), with a power head (91) attached to the output of the actuator (89) and the protection (87). ) with fuse (92) and tool (93) fitted to it.