CN112928689A - Power grid fault maintenance equipment - Google Patents

Power grid fault maintenance equipment Download PDF

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Publication number
CN112928689A
CN112928689A CN202110095537.0A CN202110095537A CN112928689A CN 112928689 A CN112928689 A CN 112928689A CN 202110095537 A CN202110095537 A CN 202110095537A CN 112928689 A CN112928689 A CN 112928689A
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China
Prior art keywords
wall
rod
detector
arc
connecting rod
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Granted
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CN202110095537.0A
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Chinese (zh)
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CN112928689B (en
Inventor
王瑾
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Shandong Electric Transport Inspection Engineering Co ltd
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Individual
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58Testing of lines, cables or conductors

Abstract

The invention provides a power grid fault maintenance device which structurally comprises a movable wheel, an upright rod, a detection device, a fixed seat and a bottom plate, wherein the inner wall of the left side of the movable wheel is connected and clamped at two ends of the fixed seat through a connecting rod.

Description

Power grid fault maintenance equipment
Technical Field
The invention relates to the field of power grids, in particular to a power grid fault overhauling device.
Background
Because of the high-speed development and expansion of the existing cities, in order to meet the power consumption requirements of urban residents, partial land and human resources of the cities can be used for constructing power systems such as a power grid and the like, and are used for receiving and adjusting power resources transmitted by a power station, and adjusting the power resources so that the voltage is compounded with the safe voltage of the power consumption of the urban residents, but the requirement of the power consumption of the cities is gradually improved, and the construction of the power grid can be expanded under the influence of the requirement of the power consumption of the cities, but the power grid load is improved because the quantity of the power consumption of the cities is too large and the peak power difference is large, so that the power grid is greatly influenced, the power grid load is improved, in order to ensure the safety of the power grid and the surrounding residents, the power grid can be overhauled once within a certain time, but the existing overhauling equipment aiming at faults, a inner structure for surveying the cable that the cable is inside electric wire, nevertheless because of the cable is the tensioning assembly between two electric towers, because of the action of gravity of cable self material, lead to the cable middle section because of not being supported the condition that the sinking appears, make the radian appear in the cable, because of the emergence of radian leads to the unable complete laminating of detection equipment's probe in the cable surface, lead to the unable complete detection cable of probe.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a power grid fault maintenance device, which solves the problems that the existing fault maintenance device is usually used for placing the device at the upper end of a cable and contacting the cable through a probe to detect the structural condition of an electric wire in the cable, but the cable is tensioned and assembled between two electric towers, the middle section of the cable sinks due to the unsupported condition under the action of gravity of the material of the cable, the cable has radian, and the probe of the detection device cannot be completely attached to the surface of the cable due to the radian, so that the probe cannot completely detect the internal structure of the cable.
Aiming at the above purpose, the invention is realized by the following technical scheme: a power grid fault maintenance device structurally comprises a movable wheel, a vertical rod, a detection device, a fixed seat and a bottom plate, wherein the inner wall of the left side of the movable wheel is connected and clamped at two ends of the fixed seat through a connecting rod;
the detection device comprises horizontal pole, detector, hinge mechanism, horizontal pole rear end activity block in pole setting front end, the detector upper end is connected in horizontal pole both ends below through the buckle block, the nested block of hinge mechanism outer wall is in between the horizontal pole, the detector is equipped with two altogether, arranges in horizontal pole lower extreme both sides relatively.
Preferably, the hinge mechanism comprises a limiting ring, a movable device, two connecting rods and two clamping plates, wherein the outer wall of the limiting ring is embedded and clamped between the cross rods, the outer wall of the movable device is fixed on the inner wall of the limiting ring in an interference manner, the outer wall of the lower end of each connecting rod is movably clamped on the inner wall of the upper end of the movable device, the lower ends of the clamping plates are welded above the connecting rods, and the combined structure of the two connecting rods is a V-shaped structure.
Preferably, the movable device comprises a shell, a combiner, an assembly rod, two arc plates and a spring, wherein the outer wall of the shell is fixedly embedded in the inner wall of the limit ring, the outer wall of the upper end of the combiner is welded and connected to the lower end of the assembly rod, the assembly rod is completely assembled in the shell, the upper end of each arc plate is welded and fixed to two sides of the lower end of the combiner, two ends of the spring are connected between the arc plates through buckles, and the two arc plates are arranged at two ends below the combiner in an opposite mode.
Preferably, the connector comprises an arc connecting rod, an assembling arc rod, a filling groove, a piston and a hinge, wherein the upper parts of the two ends of the arc connecting rod are movably clamped at the lower end of the hinge, the inner wall of the assembling arc rod is nested and matched with the outer walls of the upper parts of the two ends of the arc connecting rod, the outer wall of the filling groove is fixedly embedded above the inner part of the assembling arc rod, the upper end of the piston is in interference fit with the lower end of the filling groove, the upper end of the hinge is connected to the lower end of the piston through a buckle, and the filling material in the filling groove.
Preferably, the detector comprises a connecting shaft, an embedded connecting plate and a detector, wherein the outer wall of the upper end of the connecting shaft is fixed at the lower end of the embedded connecting plate through a screw, the upper end of the detector is movably clamped at the lower end of the connecting shaft, and the upper end of the embedded connecting plate is clamped below the two ends of the cross rod through a buckle.
Preferably, the detector is internally provided with a probe, a lifting rod, a magnetic ring, a piston ring plate and a hollow groove, the inner wall of the upper end of the probe is fixedly embedded at the lower end of the lifting rod, the outer wall of the upper end of the lifting rod is in interference fit with the inner wall of the magnetic ring, the inner wall of the piston ring plate is embedded and clamped at the outer wall of the middle section of the lifting rod, the inner wall of the hollow groove is embedded and sheathed at the outer wall of the lower end of the piston ring plate in interference fit, the magnetic ring is completely assembled inside the upper end of the detector, and the structure of the lifting rod is a dry-shaped structure.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
when the power grid needs to be detected, the movable wheel is assembled and clamped at the upper end of the cable, and the detector arranged on the detection device is attached to the surface of the cable, when the cable in the power grid is detected, current flows in the cable, the cable has partial electromagnetic force when the current flows, the magnetic force can adsorb the magnetic ring, the detection needle is completely attached to the surface of the cable, and when the equipment moves to the middle section of the stroke of the cable, the radian of the cable is changed, the detector is pulled to change the height according to the radian of the cable and is attached to the surface of the cable through the hinge mechanism, so that the situation that the equipment cannot attach the cable and detect the structural state in the cable due to the radian of the cable is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the power grid fault maintenance equipment.
Fig. 2 is a schematic front view of the detecting device of the present invention.
Fig. 3 is a schematic structural view of the hinge mechanism of the invention.
Fig. 4 is a schematic sectional structure diagram of the mobilizer of the invention.
FIG. 5 is a schematic cross-sectional view of the inventive union.
Fig. 6 is a schematic diagram of the structure of the inventive detector.
Fig. 7 is a schematic cross-sectional structure of the inventive detector.
In the figure: the device comprises a movable wheel-1, a vertical rod-2, a detection device-3, a fixed seat-4, a bottom plate-5, a cross rod-31, a detector-32, a hinge mechanism-33, a limit ring-a 1, a movable device-a 2, a connecting rod-a 3, a clamping plate-a 4, a shell-b 1, a combiner-b 2, an assembling rod-b 3, an arc plate-b 4, a spring-b 5, an arc connecting rod-c 1, an assembling arc rod-c 2, a filling groove-c 3, a piston-c 4, a hinge-c 5, a connecting shaft-d 1, an embedded connecting plate-d 2, a detector-d 3, a detection needle-e 1, a lifting rod-e 2, a magnetic ring-e 3, a piston ring plate-e 4 and a hollow groove-e 5.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1 to 5, the invention provides a power grid troubleshooting device, which structurally comprises a movable wheel 1, an upright rod 2, a detection device 3, a fixed seat 4 and a bottom plate 5, wherein the inner wall of the left side of the movable wheel 1 is connected and clamped with two ends of the fixed seat 4 through a connecting rod, the lower end of the upright rod 2 is welded and fixed at the front end above the bottom plate 5, the rear end of the detection device 3 is movably clamped with the front end of the upright rod 2, and the lower end of the fixed seat 4 is fixed at the upper end of the bottom plate 5 through a screw;
detection device 3 comprises horizontal pole 31, detector 32, hinge mechanism 33, the activity block of horizontal pole 31 rear end is in 2 front ends in pole setting, the detector 32 upper end is connected in horizontal pole 31 both ends below through the buckle block, the nested block of hinge mechanism 33 outer wall is between horizontal pole 31, detector 32 is equipped with two altogether, arranges in horizontal pole 31 lower extreme both sides relatively, and detector 32 through being equipped with at both ends makes equipment directly detect zero line and live wire simultaneously.
The hinge mechanism 33 is composed of a limiting ring a1, a movable device a2, a connecting rod a3 and a clamping plate a4, the outer wall of the limiting ring a1 is nested and clamped between the cross rods 31, the outer wall of the movable device a2 is fixed on the inner wall of a1 of the limiting ring a in an interference mode, the outer wall of the lower end of the connecting rod a3 is movably clamped on the inner wall of the upper end of the movable device a2, the lower end of the clamping plate a4 is connected above the connecting rod a3 in a welded mode, the connecting rod a3 is provided with two parts, the combined structure is of a V-shaped structure, two points at the upper end of the V-shaped structure can be used for connecting and supporting the cross rods 31, and.
The movable device a2 comprises a shell b1, a combiner b2, an assembling rod b3, an arc plate b4 and a spring b5, wherein the outer wall of the shell b1 is fixedly embedded in the inner wall of a limit ring a1, the outer wall of the upper end of the combiner b2 is connected to the lower end of the assembling rod b3 in a welding mode, the assembling rod b3 is completely assembled inside the shell b1, the upper end of the arc plate b4 is fixedly welded to two sides of the lower end of the combiner b2, two ends of the spring b5 are connected between the arc plates b4 in a buckling mode, two arc plates b4 are arranged, the two arc plates b4 are oppositely arranged at two ends below the combiner b2, and the arc plates b4 arranged at two ends can apply pressure to the spring b5 at the same time to enable the spring b5 to.
The connector b2 is composed of an arc connecting rod c1, an assembling arc rod c2, a filling groove c3, a piston c4 and a hinge c5, the upper parts of the two ends of the arc connecting rod c1 are movably clamped at the lower end of the hinge c5, the inner wall of the assembling arc rod c2 is nested and matched with the outer wall of the upper part of the two ends of the arc connecting rod c1, the outer wall of the filling groove c3 is embedded and fixed above the inner part of the assembling arc rod c2, the upper end of the piston c4 is in interference fit with the lower end of the filling groove c3, the upper end of the hinge c5 is connected to the lower end of the piston c4 through a buckle, the filling material in the filling groove c3 is hydraulic oil, and the air pressure in the filling groove c3 is reduced after the piston c4 is pulled down through the characteristic of the hydraulic oil.
The following examples are set forth: when a connecting cable of a power grid at a certain position needs to be detected, equipment is placed above the cable, the movable wheel 1 is matched with the cable in a rotating mode, the movable wheel 1 can be connected with the cable more closely through the radian arranged on the surface of the movable wheel 1, the equipment is prevented from falling off when moving, after the equipment is placed and assembled, the detector 32 can be aligned to the cables at two ends, after the equipment is prepared in advance, the equipment can be started, the equipment can be driven to move at the upper end of the cable through the rotation of the movable wheel 1 when being started, the radian of the cable changes during moving, the angle of the equipment can be influenced after the radian changes, the cable can directly push the detector 32 due to the action of the angle during the sliding of the equipment, and the force applied to the equipment can be relieved by upwards folding the cross rod 31 after the detector 32 is stressed, the cross bar 31 can drive the connecting rod a3 to fold inwards when being bent, the assembling rod b3 is driven by the inward folding of the connecting rod a3, the force is transmitted to the assembling rod b3 through the assembling rod b3, the assembling arc rod c2 moves outwards to cause the relative position of the piston c4 and the filling groove c3 to be expanded, and the arc plate b4 compresses the spring b5, so that the cross bar 31 can be bent, but the detector 32 can be completely attached to the surface of the cable.
Example 2
As shown in fig. 6 to 7: the detector 32 consists of a connecting sleeve shaft d1, an embedded connecting plate d2 and a detector d3, the outer wall of the upper end of the connecting sleeve shaft d1 is fixed at the lower end of the embedded connecting plate d2 through screws, the upper end of the detector d3 is movably clamped at the lower end of the connecting sleeve shaft d1, and the upper end of the embedded connecting plate d2 is connected below the two ends of the cross rod 31 through clamping.
The detector d3 is internally provided with a probe pin e1, a lifting rod e2, a magnetic ring e3, a piston ring plate e4 and a hollow groove e5, the inner wall of the upper end of the probe pin e1 is fixedly embedded at the lower end of the lifting rod e2, the outer wall of the upper end of the lifting rod e2 is in interference fit with the inner wall of the magnetic ring e3, the inner wall of the piston ring plate e4 is nested and clamped at the outer wall of the middle section of the lifting rod e2, the inner wall of the hollow groove e5 is nested and sleeved at the outer wall of the lower end of the piston ring plate e4, the magnetic ring e3 is completely assembled inside the upper end of the detector d3, the lifting rod e2 is assembled with the magnetic ring e3 and the piston ring plate e4, the structure is a dry-shaped structure, and the cross rods at the two ends above are provided with a structure capable.
The following examples are set forth: when the device is assembled at the upper end of a cable and moves on the surface of the upper end of the cable, current flows in the cable, when current flows, a certain degree of electromagnetic force occurs in a copper coil and the like in the cable, after the electromagnetic force occurs, the magnetic ring e3 moves downwards through the mutual attraction effect of the electromagnetic force and the magnetic force between the magnetic ring e3, when the magnetic ring e3 moves, the magnetic ring e3 pushes the lifting rod e2 to move downwards, when the lifting rod e2 moves, the movement of the lifting rod e2 drives the piston ring plate e4 to move downwards, liquid filled in the empty groove e5 is squeezed through the movement of the piston ring plate e4, the detection needle e1 is pushed through the movement of the lifting rod e2, the detection needle e1 is completely attached to the upper end of the cable, so that the device can emit sound wave media to the cable and transmit the sound wave and other media to the detector d3 through the rebound of the sound wave and other media, the electromagnetic wave of the cable exists for a long time, so that the probe needle e1 can be continuously attached to the surface of the cable, and the situation that the probe needle e1 is separated from the surface of the cable due to the change of the radian of the cable and cannot be detected due to the fact that the probe needle e1 is conducted into the device through the detector d3 and analyzed through the device is avoided.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A power grid fault maintenance device structurally comprises a movable wheel (1), a vertical rod (2), a detection device (3), a fixed seat (4) and a bottom plate (5), wherein the inner wall of the left side of the movable wheel (1) is connected and clamped at two ends of the fixed seat (4) through a connecting rod, the lower end of the vertical rod (2) is welded and fixed at the front end above the bottom plate (5), the rear end of the detection device (3) is movably clamped at the front end of the vertical rod (2), and the lower end of the fixed seat (4) is fixed at the upper end of the bottom plate (5) through a screw;
detection device (3) comprise horizontal pole (31), detector (32), hinge mechanism (33), horizontal pole (31) rear end activity block is in pole setting (2) front end, detector (32) upper end is connected in horizontal pole (31) both ends below through the buckle block, the nested block of hinge mechanism (33) outer wall is between horizontal pole (31).
2. A grid troubleshooting apparatus in accordance with claim 1 wherein: hinge mechanism (33) comprise spacing ring (a1), activity ware (a2), connecting rod (a3), cardboard (a4), spacing ring (a1) outer wall nested block is in between horizontal pole (31), activity ware (a2) outer wall interference is fixed in spacing ring (a1) inner wall, connecting rod (a3) lower extreme outer wall activity block in activity ware (a2) upper end inner wall, cardboard (a4) lower extreme welded connection is in connecting rod (a3) top.
3. A grid troubleshooting apparatus as claimed in claim 2 wherein: the activity ware (a2) comprises shell (b1), associative ware (b2), assembly pole (b3), arc board (b4), spring (b5), shell (b1) outer wall is embedded and is fixed in spacing ring (a1) inner wall, associative ware (b2) upper end outer wall welded connection is in assembly pole (b3) lower extreme, assembly pole (b3) assemble inside shell (b1) completely, arc board (b4) upper end welded connection is in associative ware (b2) lower extreme both sides, spring (b5) both ends are connected between arc board (b4) through the buckle.
4. A grid troubleshooting apparatus as claimed in claim 3 wherein: the combiner (b2) consists of an arc connecting rod (c1), an assembling arc rod (c2), a filling groove (c3), a piston (c4) and a hinge (c5), wherein the upper parts of two ends of the arc connecting rod (c1) are movably clamped at the lower end of the hinge (c5), the inner wall of the assembling arc rod (c2) is nested and matched with the outer wall of the upper part of two ends of the arc connecting rod (c1), the outer wall of the filling groove (c3) is embedded and fixed above the inner part of the assembling arc rod (c2), the upper end of the piston (c4) is in interference fit with the lower end of the filling groove (c3), and the upper end of the hinge (c5) is connected to the lower end of the piston (c4) through a.
5. A grid troubleshooting apparatus in accordance with claim 1 wherein: the detector (32) comprises a connecting shaft (d1), an embedded connecting plate (d2) and a detector (d3), the outer wall of the upper end of the connecting shaft (d1) is fixed at the lower end of the embedded connecting plate (d2) through screws, the upper end of the detector (d3) is movably clamped at the lower end of the connecting shaft (d1), and the upper end of the embedded connecting plate (d2) is connected below the two ends of the cross rod (31) through clamping.
6. A grid troubleshooting apparatus in accordance with claim 5 wherein: the detector (d3) is internally provided with a detection needle (e1), a lifting rod (e2), a magnetic ring (e3), a piston ring plate (e4) and a hollow groove (e5), the inner wall of the upper end of the detection needle (e1) is fixedly embedded at the lower end of the lifting rod (e2), the outer wall of the upper end of the lifting rod (e2) is in interference fit with the inner wall of the magnetic ring (e3), the inner wall of the piston ring plate (e4) is nested and clamped at the outer wall of the middle section of the lifting rod (e2), the inner wall of the hollow groove (e5) is nested and sleeved at the outer wall of the lower end of the piston ring plate (e4) in interference fit, and the magnetic ring (e3) is completely assembled.
CN202110095537.0A 2021-01-25 2021-01-25 Power grid fault maintenance equipment Active CN112928689B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114325247A (en) * 2022-03-11 2022-04-12 山东广域科技有限责任公司 Join in marriage electric network line detection device
CN115389854A (en) * 2022-10-25 2022-11-25 智洋创新科技股份有限公司 Safety monitoring system and method for direct-current power supply system

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Publication number Priority date Publication date Assignee Title
US4174678A (en) * 1977-09-23 1979-11-20 Utility Contracting Co. Cable spraying apparatus
CN202524018U (en) * 2012-03-02 2012-11-07 常州信息职业技术学院 Quad-bundled conductor maintenance transport vehicle of high-voltage power transmission line
CN106654980A (en) * 2015-10-28 2017-05-10 刘刚 Power overhaul cleaning tool
CN107681540A (en) * 2017-09-25 2018-02-09 国网安徽省电力公司宿州供电公司 Electric device maintenance locomotive
CN108462111A (en) * 2018-04-26 2018-08-28 安徽康能电气有限公司 One kind being based on the unmanned crusing robot of intelligent overhead transmission line
CN108988204A (en) * 2018-08-16 2018-12-11 伊书娥 A kind of high voltage electricity transmission conductive wire conductor spacer maintenance cart

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174678A (en) * 1977-09-23 1979-11-20 Utility Contracting Co. Cable spraying apparatus
CN202524018U (en) * 2012-03-02 2012-11-07 常州信息职业技术学院 Quad-bundled conductor maintenance transport vehicle of high-voltage power transmission line
CN106654980A (en) * 2015-10-28 2017-05-10 刘刚 Power overhaul cleaning tool
CN107681540A (en) * 2017-09-25 2018-02-09 国网安徽省电力公司宿州供电公司 Electric device maintenance locomotive
CN108462111A (en) * 2018-04-26 2018-08-28 安徽康能电气有限公司 One kind being based on the unmanned crusing robot of intelligent overhead transmission line
CN108988204A (en) * 2018-08-16 2018-12-11 伊书娥 A kind of high voltage electricity transmission conductive wire conductor spacer maintenance cart

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114325247A (en) * 2022-03-11 2022-04-12 山东广域科技有限责任公司 Join in marriage electric network line detection device
CN115389854A (en) * 2022-10-25 2022-11-25 智洋创新科技股份有限公司 Safety monitoring system and method for direct-current power supply system
CN115389854B (en) * 2022-10-25 2023-03-21 智洋创新科技股份有限公司 Safety monitoring system and method for direct-current power supply system

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