CN118259123B - Cable test device for gas-insulated high-voltage switch cabinet - Google Patents
Cable test device for gas-insulated high-voltage switch cabinet Download PDFInfo
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- CN118259123B CN118259123B CN202410675790.7A CN202410675790A CN118259123B CN 118259123 B CN118259123 B CN 118259123B CN 202410675790 A CN202410675790 A CN 202410675790A CN 118259123 B CN118259123 B CN 118259123B
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 202
- 238000012546 transfer Methods 0.000 claims abstract description 55
- 238000006073 displacement reaction Methods 0.000 claims abstract description 52
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- 239000011888 foil Substances 0.000 claims description 17
- 210000001503 joint Anatomy 0.000 claims description 15
- 239000000725 suspension Substances 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 230000003028 elevating effect Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000005670 electromagnetic radiation Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Testing Relating To Insulation (AREA)
Abstract
The invention relates to the technical field of cable detection equipment, and discloses a cable test device of a gas-insulated high-voltage switch cabinet, which comprises a transfer driving mechanism, a first cantilever and a second cantilever, wherein the transfer driving mechanism is positioned on the first cantilever and is used for fixing a cable fixing structure distributed circumferentially so as to cooperatively convey a plurality of cables; the reducing fixing mechanism is positioned on the transfer driving mechanism and is matched with the suspended rack, the arc pressing strips and the sliding grooves of the fixing plates to fix and convey the cables; the inner connecting cylinder is matched for conveying and winding the cable in a spiral form; the displacement driving mechanism is positioned on the transit driving mechanism and is matched with the multi-station fixed cylinder, the linkage sliding sleeve and the external sleeve to be used for generating the unfolding and rotary driving force of the cable fixing structure. Through the cooperation of displacement actuating mechanism and transfer actuating mechanism, can carry out accurate fixed and the transport to the cable of different diameters, ensured the cable in the position stability of test in-process, this kind of stability is the key of obtaining repeatable and accurate result in the high-voltage test.
Description
Technical Field
The invention relates to the technical field of cable detection equipment, in particular to a cable test device of a gas-insulated high-voltage switch cabinet.
Background
The high-voltage insulating gas switch cabinet is an electrical device for mines, and adopts an insulating gas charging box structure, and electrical components are all arranged in the charging box, so that the pressure of protective gas in the charging box is ensured to be higher than the ambient pressure, and explosive mixtures are prevented from entering the charging box. When the pressure of the gas in the gas tank is lower than a certain value, an alarm is immediately sent out or the power supply is cut off. Sparks, arcs inside the device are not allowed to bleed from any gap to the outside.
The cable bears the important task of conveying electric energy and signals in the high-voltage insulating gas switch cabinet, so that the voltage and current have some requirements to ensure safe and reliable operation of the system, the rated voltage of the cable should meet or exceed the working voltage in the switch cabinet, the rated voltage refers to the highest voltage of the cable which can safely operate, the rated voltage is considered in the process of selecting the cable, the rated voltage and the operating voltage range of an electric system where equipment is located are considered, the high-voltage insulating gas switch cabinet needs to perform operation detection on the cable inside the switch cabinet in the use process for ensuring the use safety of the switch cabinet, the cable insulation should be capable of bearing the highest voltage in the system to prevent breakdown and arc faults, and the insulation withstand voltage should be larger than the highest working voltage in the system to ensure safe operation in general, so that the test current and voltage of the cable are very important operations in the switch cabinet.
The cable test is often influenced by ground electromagnetic interference, the accuracy and stability of the test are influenced, meanwhile, the cable fixing mode in the test equipment is not firm enough, the cable is easy to move or shake, the accuracy of the test result is influenced, stronger electromagnetic radiation can be generated in the test process, the success rate and the data accuracy of the test are influenced, potential safety hazards generally exist in the test process, and the problem that jumper wires or cables fall off due to the fact that the cable is not firm is solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a cable test device for a gas-insulated high-voltage switch cabinet, which solves the problems of ground electromagnetic interference, unstable cable fixation, electromagnetic radiation interference and potential safety hazard existing in the traditional cable test equipment.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a gas-insulated high tension switchgear cable test device, includes plummer, cantilever one, cantilever two, transfer actuating mechanism, reducing fixed establishment, transfer screw mechanism, displacement actuating mechanism, connect electric grafting mechanism, overhead shielding mechanism, unsettled frame, arc pressfitting strip, fixed plate, inscription section of thick bamboo, linkage sliding sleeve and external sleeve, cantilever one fixed connection is in plummer top one side, cantilever two fixed connection keeps away from cantilever one in plummer top one side, transfer actuating mechanism sets up on cantilever one, reducing fixed establishment is the multiunit to set up on transfer actuating mechanism in the form of circumference distribution, transfer screw mechanism sets up in transfer actuating mechanism one side that is close to cantilever two, displacement actuating mechanism sets up between transfer actuating mechanism and transfer screw mechanism, connect electric grafting mechanism to set up on cantilever two, overhead shielding mechanism sets up in the bottom of plummer;
the transfer driving mechanism comprises a multi-station fixed cylinder, wherein the multi-station fixed cylinder is fixedly connected to the top of a cantilever I, a plurality of groups of variable diameter fixing mechanisms are arranged on the outer surface of the multi-station fixed cylinder in a circumferential distribution mode, the positions of the multi-station fixed cylinder, which are far away from the cantilever II, are fixedly connected with suspension frames, one ends of the suspension frames, which are far away from the multi-station fixed cylinder, are fixedly connected with arc pressing strips, the circumferential distribution of fixing plates are fixedly connected to the outer surface of the multi-station fixed cylinder, which corresponds to the arc pressing strips, the parts, close to the cantilever II, of the fixing plates are provided with sliding grooves, and the inner connecting cylinders are fixedly connected to the inner side walls of the multi-station fixed cylinder;
The reducing fixing mechanism comprises a conveying belt wheel piece, the conveying belt wheel piece is arranged between an arc pressing strip and a multi-station fixing cylinder, parallel displacement arms corresponding to two sides are rotationally connected to the side wall of the conveying belt wheel piece, one end of each parallel displacement arm, which is far away from the conveying belt wheel piece, is rotationally connected to the side wall of a fixing plate, the parallel displacement arms are kept parallel, a dragging rod is rotationally connected to the side wall of the conveying belt wheel piece, the linkage sliding sleeve is slidingly connected to a sliding groove of the fixing plate, one end, which is far away from the conveying belt wheel piece, of each dragging rod is rotationally connected to the linkage sliding sleeve, and the side wall, which is far away from the multi-station fixing cylinder, of each conveying belt wheel piece is fixedly connected with an arc butt joint strip with the front side and the back side opposite to each other;
The transfer screw mechanism comprises a multi-station linkage cylinder, wherein an external sleeve is fixedly connected to the inner side wall of the multi-station linkage cylinder, the external sleeve is sleeved on the internal sleeve, long-diameter frame lifting rods distributed circumferentially are fixedly connected to the side wall of the multi-station linkage cylinder, short-diameter frame lifting rods distributed circumferentially are fixedly connected to the side wall of the multi-station linkage cylinder, the number of the long-diameter frame lifting rods and the number of the short-diameter frame lifting rods are equal to the number of variable-diameter fixing mechanisms, the adjacent long-diameter frame lifting rods and the adjacent short-diameter frame lifting rods are arranged in a crossing mode, and one ends of the short-diameter frame lifting rods far from the multi-station linkage cylinder are fixedly connected with arc-shaped fixing sleeves;
the overhead shielding mechanism comprises an overhead table, a base table and shielding generating components with two opposite sides, wherein the overhead table is fixedly connected to the bottom of a bearing table, the base table is arranged below the overhead table, scissors frames which are uniformly and longitudinally distributed are arranged between the overhead table and the base table and are mutually hinged, a hydraulic output piece is arranged on the base table, the telescopic ends of the hydraulic output piece are connected to the scissors frames at the lowest part, and two opposite sides of the shielding generating components are arranged on the side walls of the overhead table;
The shielding production assembly comprises an aluminum foil shielding plate, the aluminum foil shielding plate is rotationally connected to the side wall of the overhead table, a sliding seat is fixedly connected to the bottom of the aluminum foil shielding plate, a linkage extension rod is movably connected to the inside of the sliding seat, and one end of the linkage extension rod, far away from the sliding seat, is movably connected to the hinge part of the scissor type frame.
Preferably, the displacement driving mechanism comprises a central fixing frame, a linkage sliding seat and a rotary driving assembly, wherein the central fixing frame is fixedly connected inside a multi-station linkage cylinder, a driving screw is rotationally connected to the center of the central fixing frame, a servo motor for driving the driving screw to rotate is arranged on the central fixing frame, the linkage sliding seat is slidably connected to the side wall of the multi-station fixing cylinder and is fixedly connected to a circumferentially distributed linkage sliding sleeve, a central nut pair is fixedly connected to the center of the linkage sliding seat, a central nut pair is in threaded connection with the driving screw, and the rotary driving assembly is arranged on one side, close to the external sleeve, of the central fixing frame.
Preferably, the electric connection plug-in mechanism comprises a multi-station butt joint seat, wherein the multi-station butt joint seat is fixedly connected to the top end of the cantilever II and is arranged on the same horizontal line with the multi-station fixed cylinder and the multi-station linkage cylinder, and cable connectors distributed circumferentially are arranged on the side wall of the multi-station butt joint seat.
Preferably, the rotary driving assembly comprises a triangular fixing seat and an inner gear ring, the triangular fixing seat is fixedly connected to the position, close to one side of the external sleeve, of the central fixing seat, the central gear is rotationally connected to the inner center of the triangular fixing seat, the transmission gear which is circumferentially distributed is rotationally connected to the inner portion of the triangular fixing seat, the transmission gear is in meshed connection with an outer ring gear key of the central gear, the inner gear ring is fixedly connected to the inner side wall of the external sleeve, and an inner ring gear key of the inner gear ring is in meshed connection with the transmission gear and wraps the circumferentially distributed transmission gear.
Working principle: the cable testing device for the gas-insulated high-voltage switch cabinet tests the voltage and current parameters of the multi-strand cable of the gas-insulated high-voltage switch cabinet through the voltage-resistant transformer, the device is arranged at a proper position between a test power supply and the voltage-resistant transformer, the cable is connected and output with the voltage-resistant transformer through the power connection plug-in mechanism after being guided by the transit driving mechanism and the transit spiral mechanism which are included in the device, the multi-strand cable can be fixedly conveyed in a circumferential arrangement mode through the transit driving mechanism, and the displacement driving mechanism is also utilized to be matched with the transit driving mechanism to fix and convey cables with different diameters, and then the cables are conveyed through the transit spiral mechanism, Meanwhile, the displacement driving mechanism synchronously drives the transfer spiral mechanism so that a plurality of cables can be mutually wound together in a spiral mode to form a spiral test mode capable of reducing electromagnetic interference among the cables, the transfer driving mechanism, the displacement driving mechanism and the electric connection plug-in mechanism which are included in the gas insulated high-voltage switch cabinet cable test device are arranged on the same horizontal line, the cantilever I and the cantilever II which fix the transfer driving mechanism, the displacement driving mechanism and the electric connection plug-in mechanism are also positioned on the same horizontal line at the same time, and when cables are prepared for test, the overhead shielding mechanism additionally arranged at the bottom of the bearing table is utilized to enable the bearing table and the transfer driving mechanism at the top of the bearing table to be connected, The variable diameter fixing mechanism, the transit screw mechanism, the displacement driving mechanism and the electric connection plug-in mechanism are integrally lifted, the lifting platform contained in the lifting shielding mechanism is fixed at the bottom of the bearing platform, the base platform is correspondingly placed on the ground right below the lifting platform, when the hydraulic output piece arranged in the base platform is started, the hydraulic output piece generates hydraulic tension, the scissor-type frame hinged between the lifting platform and the base platform is pulled to start to do extension movement, the scissor-type frame is folded and extended, the lifting platform at the top and the bearing platform are pushed to lift until reaching the proper test frame height, the lifting platform is driven by the scissor-type frame, and the shielding generating component contained in the lifting shielding mechanism is synchronously started, The two groups of shielding generating components are additionally arranged at the two sides of the overhead table in a mode that the two sides are opposite, along with the unfolding of the scissor type rack, the two ends of the hinge part of the scissor type rack push the linkage extension rods contained in the two side shielding generating components to ascend respectively, the top ends of the linkage extension rods simultaneously start sliding along the sliding seats arranged at the bottoms of the aluminum foil shielding plates at the two sides, and push the aluminum foil shielding plates to synchronously unfold along the two sides of the overhead table until the aluminum foil shielding plates at the two sides form a group of large-area aluminum foil shielding structures so as to block electromagnetic interference from the ground, so that the overhead shielding mechanism can fully and effectively avoid the influence of the ground when a cable test is carried out, The transfer driving mechanism arranged on the cantilever I is also elevated along with the cantilever I, the side wall of the multi-station fixing cylinder contained in the transfer driving mechanism is additionally provided with a suspended frame and an arc pressing strip which can be used for multi-station fixing, the side wall is correspondingly additionally provided with a fixing plate, each group of fixing plates is correspondingly provided with a group of reducing fixing mechanisms, each group of reducing fixing mechanisms can be positioned between the suspended frame and the arc pressing strip, each group of reducing fixing mechanisms comprises a conveying belt wheel part and parallel displacement arms arranged on two sides of the conveying belt wheel part, the conveying belt wheel part is correspondingly arranged on the inner side of the arc pressing strip, the parallel displacement arms which are additionally arranged can be used for rotating and opening and contracting on the fixing plates in a horizontal state, So as to increase or decrease the size of the gap between the arc lamination strip and the conveying belt wheel piece, the multi-strand cables respectively pass through the space between the corresponding inner connecting cylinder and the conveying belt wheel piece in a circumferential distribution mode and extend to the transit screw mechanism, meanwhile, a servo motor contained in the displacement driving mechanism is started to generate rotary torque force and then drive, a driving screw rod contained in the displacement driving mechanism rotates in the multi-station fixing cylinder along the central fixing frame, the central nut pair sleeved with the central fixing frame drives the central fixing frame to start to displace along the outer wall of the multi-station fixing cylinder while the central fixing frame rotates, and the linkage sliding seat correspondingly fixes linkage sliding sleeves contained in all variable-diameter fixing mechanisms, Along with the displacement of the linkage sliding seat, each group of linkage sliding sleeves start to slide along the displacement of the fixed plate, the linkage sliding sleeves start to pull the conveying belt wheel parts to move towards or away from the arc pressing strips through the dragging rods additionally arranged on the side walls, the displacement driving mechanism is used for driving all circumferentially distributed variable-diameter fixing mechanisms to synchronously fix multi-strand cables, the conveying belt wheel parts generate belt conveying force to pay out the cables when the cables are fixed, the cables enter the transfer screw mechanism, the multi-station linkage cylinder contained in the transfer screw mechanism is sleeved on the inner connecting cylinder additionally arranged in the multi-station fixing cylinder through the externally connected sleeve additionally arranged on the transfer screw mechanism, the whole transfer screw mechanism can rotate along the multi-station fixing cylinder, The long-diameter rack high rods corresponding to the number of the variable-diameter fixing mechanisms are additionally arranged on one side of the outer wall of the multi-station linkage cylinder, which is close to the variable-diameter fixing mechanisms, in a circumferential distributed mode, the short-diameter rack high rods corresponding to the number of the variable-diameter fixing mechanisms are additionally arranged on one side of the outer wall of the multi-station linkage cylinder, which is far away from the variable-diameter fixing mechanisms, in a circumferential distributed mode, arc-shaped fixing sleeves capable of sleeving cables are additionally arranged at the outer side ends of the long-diameter rack high rods and the short-diameter rack high rods while the long-diameter rack high rods and the short-diameter rack high rods are mutually crossed, after the multi-strand cables are respectively discharged by the corresponding variable-diameter fixing mechanisms, the multi-strand cables enter the corresponding long-diameter rack high rods and are guided to the corresponding short-diameter rack high rods by the long-diameter rack high rods, The cable which leads the long-diameter frame high rod to the short-diameter frame high rod can be primarily spirally bent, when the variable-diameter fixing mechanism is driven by the displacement driving mechanism to clamp a plurality of cables, the displacement driving mechanism synchronously drives the multi-station linkage cylinder and the long-diameter frame high rod and the short-diameter frame high rod which are respectively sheathed with the cables to start rotating through the contained rotation driving assembly, when the driving screw rotates to drive the conveying belt wheel to clamp, the driving screw simultaneously drives the central gear contained in the rotation driving assembly to rotate, the central gear is positioned between the transmission gears additionally arranged in the central fixing frame, and the inner gear ring fixed on the inner wall of the multi-station linkage cylinder wraps all the transmission gears, the center gear drives the transmission gear and the inner gear ring which are meshed and driven to rotate in sequence while following the driving screw rod to rotate, and the inner gear ring is driven to slowly drive the multi-station linkage cylinder to rotate by utilizing the principle of planetary arrangement, when the multi-station linkage cylinder drives the long-diameter frame high rod and the short-diameter frame high rod to rotate, cables which are respectively led by the long-diameter frame high rod and the short-diameter frame high rod start to be mutually stranded until the reducing fixing mechanism finishes fixing, the stranded cables which need to be tested can form a slight spiral shape which is mutually stranded, the possibility that the cable test is interfered by electromagnetic radiation is reduced by utilizing a spiral mode, so that the multi-stranded cables are respectively fixed by the reducing fixing mechanism, The spiral form capable of reducing electromagnetic radiation is formed by the displacement driving mechanism and the transfer spiral mechanism synchronously, so that the success rate of the test is improved, cables after the slight spiral form are respectively and finally fed into the electric connection plug-in mechanism, the cables are independently connected by the circumferentially distributed cable connectors outside the multi-station butt joint seat, the cables can be connected with the voltage-resistant transformer, the voltage-resistant transformer is started at the same time, the voltage is gradually increased to the level required by the test, the response of the cables is observed, and key parameters such as voltage and current are recorded until the test is completed.
The invention provides a cable test device for a gas-insulated high-voltage switch cabinet. The beneficial effects are as follows:
1. The invention improves the flexibility and applicability of test setting: the device can handle the cable of different diameters and types, adapt to the demand of various cables through adjustable actuating mechanism, this commonality that has not only strengthened the device also makes same device can be used for multiple test scene and the cable of different specifications, thereby improve the availability factor and the cost-effectiveness of equipment, through the cooperation use of displacement actuating mechanism and transfer actuating mechanism, can carry out accurate fixed and the transport to the cable of different diameters, ensured the position stability of cable in the test process, this kind of stability is the key that obtains repeatable and accurate result in the high-voltage test.
2. The invention has the automatic and fine management effects of cable treatment: through the design of multistation fixed establishment and transfer screw mechanism, can handle many cables in step to carry out the fixed and the transmission of cable with the mode of refining, the cable is managed carefully through this kind of mode, reduced the risk of physical damage, and improved holistic treatment effeciency, the cross arrangement of long diameter frame pole and short diameter frame pole is fixed and guide cable physically not only, and form slight heliciform through the transposition moreover, can reduce the electromagnetic radiation influence that the cable received in the in-service use, this kind of design has improved the electromagnetic compatibility of cable, is the key that improves the cable performance in high-pressure high-frequency application.
3. The invention has the anti-interference effect of simultaneous test of multi-strand cables: through the interaction of the long-diameter overhead rod and the short-diameter overhead rod, the multi-strand cable forms a slight spiral shape in the rotating process, and the spiral-shaped cable can resist and disperse electromagnetic waves passing through the cable to a certain extent, so that electromagnetic interference is reduced, and the precise clamping and control of the cable are realized by adopting the combined application of the variable-diameter fixing mechanism and the displacement driving mechanism. Meanwhile, through the design of the rotary driving assembly and the multi-station linkage cylinder, the cables can be ensured to be kept uniform and synchronous in the spiral forming process, and therefore the uniformity and quality of cable stranding are ensured.
4. The innovative application of the dynamic shielding mechanism of the invention is as follows: through raising shielding mechanism, test device is lifted to a better height to reduce the short-range electromagnetic interference in ground, this is very critical to high accuracy electrical test, because the electromagnetic interference on ground can seriously influence the accuracy of test result, shear frame and hydraulic output system in the device provide stable mechanical power, guaranteed the stability of whole device in promotion and test process, this kind of stability is required for carrying out high accuracy test, also prolonged the life of equipment simultaneously, the shielding structure that uses aluminium foil shield plate to construct can effectively shield external electromagnetic interference, along with the expansion of shear frame, the synchronous expansion of shield plate forms a set of large tracts of land aluminium foil shielding structure, this kind of synchronous expansion's of developments shielding mechanism can be adjusted according to test needs, provide nimble and effective electromagnetic isolation environment.
Drawings
FIG. 1 is a schematic perspective view of a main structure of the present invention;
FIG. 2 is a schematic perspective view of a main structure of the present invention;
FIG. 3 is a schematic view of a cable fixing and guiding structure according to the present invention;
fig. 4 is a second schematic view of the cable fixing and guiding structure of the present invention;
FIG. 5 is a schematic diagram of a combination of the transfer driving mechanism according to the present invention;
FIG. 6 is a second schematic diagram of a combination of the transfer driving mechanism of the present invention;
FIG. 7 is a schematic view of the internal structure of the transfer driving mechanism of the present invention;
FIG. 8 is a schematic view of the inside of the cable fixing guide structure of the present invention;
FIG. 9 is an enlarged schematic view of the invention at A in FIG. 8;
FIG. 10 is a schematic view of an overhead shielding mechanism according to the present invention;
Fig. 11 is a schematic structural diagram of an overhead shielding mechanism according to the present invention.
1, A bearing table; 2. a cantilever I; 3. a cantilever II; 4. a transfer driving mechanism; 5. a reducing fixing mechanism; 6. a transit screw mechanism; 7. a displacement driving mechanism; 8. an electrical connection plug-in mechanism; 9. an overhead shielding mechanism; 41. a multi-station fixed cylinder; 42. a suspended frame; 43. arc pressing strips; 44. a fixing plate; 45. an inner connecting cylinder; 51. a conveying belt wheel member; 52. a parallel displacement arm; 53. a drag lever; 54. a linkage sliding sleeve; 55. arc butt joint strips; 61. a multi-station linkage cylinder; 62. an external sleeve; 63. a long diameter overhead pole; 64. short-diameter overhead rods; 65. an arc-shaped fixing sleeve; 71. a central fixing frame; 72. driving a screw; 73. a linkage slide seat; 74. a center nut pair; 75. the triangular fixing seat; 76. a sun gear; 77. a transmission gear; 78. an inner gear ring; 81. a multi-station butt joint seat; 82. a cable joint; 91. a stand; 92. a base table; 93. a scissors frame; 94. aluminum foil shielding plates; 95. a sliding seat; 96. a linkage extension rod; 97. and a hydraulic output member.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, an embodiment of the present invention provides a cable test apparatus for a gas-insulated high-voltage switchgear, including: the bearing table 1 is used for fixing the structure of the cable test device; the cantilever I2 is positioned on the bearing table 1 and is used for lifting a fixed conveying structure of the cable; the cantilever II 3 is located on the cantilever I2 and is positioned on the same horizontal line with the cantilever I2 and used for lifting a cable wiring structure, the cantilever I2 is fixedly connected to one side of the top of the bearing table 1, the cantilever II 3 is fixedly connected to one side of the top of the bearing table 1, which is far away from the cantilever I2, the transit driving mechanism 4 is arranged on the cantilever I2, the diameter-changing fixing mechanisms 5 are multiple groups and are arranged on the transit driving mechanism 4 in a circumferentially distributed mode, the transit spiral mechanism 6 is arranged on one side of the transit driving mechanism 4, which is close to the cantilever II 3, the displacement driving mechanism 7 is arranged between the transit driving mechanism 4 and the transit spiral mechanism 6, the power connection plugging mechanism 8 is arranged on the cantilever II 3, the lifting shielding mechanism 9 is arranged at the bottom of the bearing table 1, the gas-insulated high-voltage switch cabinet cable test device is used for testing the voltage and current parameters of a gas-insulated high-voltage switch cabinet, the device is arranged at a proper position between a test power supply and the voltage-resistant transformer, the cable is guided by the transit driving mechanism 4 and the transit spiral mechanism 6 and then is connected and output by the transit spiral mechanism 8 and the transformer after being guided by the transit spiral mechanism 6, the cable can be firstly distributed and the transit driving mechanism 4 is in a circumferentially distributed mode, and the transit driving mechanism is also can be used for conducting the mutual-insulated spiral driving mechanism 6, the cable is in a mode, and the cable can be simultaneously and the cable is in a mode of being fixed by the spiral driving mechanism and the cable is in a mode and different from the tension driving mechanism.
Referring to fig. 1-9, the transfer driving mechanism 4 is located on the cantilever one 2 and is used for fixing a cable fixing structure distributed circumferentially so as to match and convey multi-strand cables, the transfer driving mechanism 4 comprises a multi-station fixing cylinder 41, the multi-station fixing cylinder 41 is fixedly connected to the top of the cantilever one 2, multiple groups of reducing fixing mechanisms 5 are arranged on the outer surface of the multi-station fixing cylinder 41 in a circumferentially distributed mode, the positions of the multi-station fixing cylinder 41, which are located on one side of the reducing fixing mechanism 5 far from the cantilever two 3, are fixedly connected with a suspension frame 42, one end of the suspension frame 42, which is far from the multi-station fixing cylinder 41, is fixedly connected with an arc-shaped pressing strip 43, the circumferentially distributed part of a fixing plate 44, which is close to the cantilever two 3, is provided with a sliding groove, the inner connecting cylinder 45 is fixedly connected to the inner side wall of the multi-station fixing cylinder 41, after the elevating shielding mechanism 9 completes the elevating of the bearing table 1, the transfer driving mechanism 4 installed on the cantilever one 2 is also elevated, the side wall of the multi-station fixing cylinder 41, which is contained by additionally installing the suspension frame 42, the suspension frame 42 can be fixed, and the arc-shaped pressing strip 43 can be correspondingly installed on the multi-station fixing cylinder 41, and the arc-shaped pressing strip can be fixed between the arc-shaped fixing frame 44 and the corresponding to the multi-station fixing mechanism 5, and the arc-shaped fixing strip 43 can be fixed between the fixed by arranging the arc-shaped fixing frame 44 and the corresponding to each fixing plate 44.
Referring to fig. 1-8, the reducing fixing mechanism 5 is located on the transferring driving mechanism 4, and is matched with the hanging frame 42, the arc pressing strip 43 and the chute of the fixing plate 44 for fixing and conveying the cable, the reducing fixing mechanism 5 includes a conveying belt wheel member 51, the conveying belt wheel member 51 is disposed between the arc pressing strip 43 and the multi-station fixing cylinder 41, the side wall of the conveying belt wheel member 51 is rotationally connected with parallel displacement arms 52 corresponding to two sides, one end of the parallel displacement arms 52 away from the conveying belt wheel member 51 is rotationally connected with the side wall of the fixing plate 44, the parallel displacement arms 52 keep parallel, the side wall of the conveying belt wheel member 51 is rotationally connected with a dragging rod 53, the linkage sliding sleeve 54 is slidingly connected with the chute of the fixing plate 44, one end of the dragging rod 53 away from the conveying belt wheel member 51 is rotationally connected with the linkage sliding sleeve 54, the position of the side wall of the conveying belt wheel member 51 away from the multi-station fixing cylinder 41 is fixedly connected with arc butt joint strips 55 opposite to the front and back sides, each group of reducing fixing mechanisms 5 comprises a conveying belt wheel piece 51 and parallel displacement arms 52 arranged on two sides of the conveying belt wheel piece 51, the conveying belt wheel piece 51 is correspondingly arranged on the inner side of the arc pressing strip 43, the parallel displacement arms 52 which are additionally arranged can be rotated on the fixing plate 44 to be opened and contracted in a horizontal state so as to increase or decrease the size of a gap between the arc pressing strip 43 and the conveying belt wheel piece 51, a plurality of cables respectively pass through the corresponding inscription barrel 45 and the conveying belt wheel piece 51 in a circumferential distribution manner and extend to the transit screw mechanism 6, along with the displacement of the linkage sliding seat 73, each group of linkage sliding sleeves 54 start to slide along the displacement of the fixing plate 44 along with the linkage sliding seat 73, the linkage sliding sleeves 54 start to pull the conveying belt wheel piece 51 to move towards or away from the arc pressing strip 43 by utilizing a dragging rod 53 additionally arranged on the side wall, the displacement driving mechanism 7 is used for driving all circumferentially distributed variable diameter fixing mechanisms 5 to synchronously fix a plurality of cables, and the cables are fixed and simultaneously the conveying belt wheel piece 51 generates belt conveying force to pay out the cables.
Referring to fig. 1-9, the transfer screw mechanism 6 is located on the transfer driving mechanism 4 and is matched with the inner drum 45 for conveying and winding cables in a spiral form, the transfer screw mechanism 6 comprises a multi-station linkage drum 61, an external sleeve 62 is fixedly connected to the inner side wall of the multi-station linkage drum 61, the external sleeve 62 is sleeved on the inner drum 45, long-diameter frame lifting rods 63 distributed circumferentially are fixedly connected to the side wall of the multi-station linkage drum 61, short-diameter frame lifting rods 64 distributed circumferentially are fixedly connected to the side wall of the multi-station linkage drum 61 away from the long-diameter frame lifting rods 63, the number of the long-diameter frame lifting rods 63 and the short-diameter frame lifting rods 64 is equal to that of the variable-diameter fixing mechanisms 5, the adjacent positions of the long-diameter frame lifting rods 63 and the short-diameter frame lifting rods 64 are crossed, one end of the short-diameter frame lifting rods 64 away from the multi-station linkage drum 61 is fixedly connected with an arc-shaped fixing sleeve 65, the multi-station linkage cylinder 61 contained in the transfer screw mechanism 6 is sleeved on the inner connecting cylinder 45 additionally arranged in the multi-station fixing cylinder 41 through the external connecting sleeve 62 additionally arranged on the multi-station linkage cylinder, so that the whole transfer screw mechanism 6 can rotate along the multi-station fixing cylinder 41, the long-diameter stand-up rods 63 corresponding to the number of the variable-diameter fixing mechanisms 5 are additionally arranged on one side of the outer wall of the multi-station linkage cylinder 61, which is close to the variable-diameter fixing mechanisms 5, in a circumferentially distributed state, the short-diameter stand-up rods 64 corresponding to the number of the variable-diameter fixing mechanisms 5 are additionally arranged on one side of the outer wall of the multi-station linkage cylinder 61, which is far away from the variable-diameter fixing mechanisms 5, the arc-shaped fixing sleeves 65 capable of sleeving cables are additionally arranged on the outer ends of the multi-strand cables respectively, after the multi-strand cables are discharged by the corresponding variable-diameter fixing mechanisms 5, the multi-strand cables enter the corresponding long-diameter stand-up rods 63, when the long-diameter frame high rods 63 are guided to the corresponding short-diameter frame high rods 64, the long-diameter frame high rods 63 and the short-diameter frame high rods 64 are distributed in a crossed mode, so that the cables of the long-diameter frame high rods 63 to the short-diameter frame high rods 64 can be primarily spirally bent, when the multi-station linkage cylinder 61 drives the long-diameter frame high rods 63 and the short-diameter frame high rods 64 to rotate, the cables led by the long-diameter frame high rods 63 and the short-diameter frame high rods 64 start to be mutually twisted respectively until the variable-diameter fixing mechanism 5 is fixed, the cables to be tested can form a slight spiral form of mutual twisting, the possibility of interference of electromagnetic radiation on the cable test is reduced in a spiral mode, and the cables can synchronously form a spiral form of reducing electromagnetic radiation through the displacement driving mechanism 7 and the transfer spiral mechanism 6 when the multi-diameter frame high rods are respectively fixed by the variable-diameter fixing mechanism 5, so that the success rate of the test is improved.
Referring to fig. 1-9, the displacement driving mechanism 7 is located on the transfer driving mechanism 4, and cooperates with the multi-station fixing cylinder 41, the linkage sliding sleeve 54 and the external sleeve 62 to generate the unfolding and rotation driving force of the cable fixing structure, the displacement driving mechanism 7 includes a central fixing frame 71, a linkage sliding seat 73 and a rotation driving assembly, the central fixing frame 71 is fixedly connected inside the multi-station linkage cylinder 61, the center of the central fixing frame 71 is rotatably connected with a driving screw 72, a servo motor for driving the driving screw 72 to rotate is arranged on the central fixing frame 71, the linkage sliding seat 73 is slidably connected on the side wall of the multi-station fixing cylinder 41 and is fixedly connected on the circumferentially distributed linkage sliding sleeve 54, the center of the linkage sliding seat 73 is fixedly connected with a center nut pair 74, the center nut pair 74 is in threaded connection on the driving screw 72, the rotation driving assembly is arranged on one side of the central fixing frame 71 close to the external sleeve 62, the rotary driving assembly comprises a triangle fixing seat 75 and an inner gear ring 78, wherein the triangle fixing seat 75 is fixedly connected to the position of the center fixing frame 71, which is close to one side of the external sleeve 62, the center of the inside of the triangle fixing seat 75 is rotationally connected with a central gear 76, the inside of the triangle fixing seat 75 is rotationally connected with a circumferentially distributed transmission gear 77, the transmission gear 77 is in meshed connection with an outer ring gear of the central gear 76, the inner gear ring 78 is fixedly connected to the inner side wall of the external sleeve 62, an inner ring gear of the inner gear ring 78 is in meshed connection with the transmission gear 77 and wraps the circumferentially distributed transmission gear 77, a servo motor contained in the displacement driving mechanism 7 is started, the servo motor generates rotary torque force and drives the servo motor, a driving screw 72 contained in the displacement driving mechanism 7 rotates in the multi-station fixing cylinder 41 along the center fixing frame 71, and the center fixing frame 71 rotates, the center nut pair 74 which is in threaded connection with the center fixing frame 71 drives the center fixing frame 71 to start to displace along the outer wall of the multi-station fixing cylinder 41, the linkage sliding seat 73 correspondingly fixes the linkage sliding sleeves 54 contained in all the variable-diameter fixing mechanisms 5, the linkage sliding seat 73 displaces along the fixing plate 44, each group of linkage sliding sleeves 54 follows the linkage sliding seat 73 to start to slide, when the variable-diameter fixing mechanisms 5 are driven by the displacement driving mechanism 7 to clamp multi-strand cables, the displacement driving mechanism 7 synchronously drives the multi-station linkage cylinder 61 through the contained rotary driving assembly, the long-diameter frame high rod 63 and the short-diameter frame high rod 64 which are respectively sleeved with the cables start to rotate, when the driving screw 72 rotationally drives the conveying belt pulley piece 51 to clamp, the driving screw 72 simultaneously drives the central gear 76 contained in the rotary driving assembly to rotate, the central gear 76 is located between the transmission gears 77 additionally arranged in the center fixing frame 71, and the ring 78 fixed on the inner wall of the multi-station linkage cylinder 61 wraps all the transmission gears 77, so that the central gear 76 sequentially drives the transmission gears 77 and the ring 78 to rotate along with the rotation of the driving screw 72, and the multi-station inner gear ring gear 78 is driven to rotate by the principle of slow rotation of the planetary inner gear 61.
Referring to fig. 1-4, the power connection plug-in mechanism 8 is located on the cantilever two 3 and used for connecting a cable with an external power supply, the power connection plug-in mechanism 8 comprises a multi-station butt-joint seat 81, the multi-station butt-joint seat 81 is fixedly connected to the top end of the cantilever two 3 and is arranged on the same horizontal line with the multi-station fixed cylinder 41 and the multi-station linkage cylinder 61, cable joints 82 distributed circumferentially are arranged on the side wall of the multi-station butt-joint seat 81, the cables after the slight spiral form are sent to the power connection plug-in mechanism 8 respectively, the cable joints 82 distributed circumferentially on the outer side of the multi-station butt-joint seat 81 are connected individually, so that the cables can be connected with a voltage-resistant transformer, meanwhile, the voltage-resistant transformer is started, the voltage is gradually increased to the level required by the test, the reaction of the cables is observed, and key parameters such as voltage and current are recorded until the test is completed.
Referring to fig. 1-11, the elevating shielding mechanism 9 is located on the carrying platform 1 and is used for elevating the carrying platform 1 and expanding to form a shielding layer, the elevating shielding mechanism 9 comprises an elevating platform 91, a base platform 92 and shielding generating components with opposite sides, the elevating platform 91 is fixedly connected to the bottom of the carrying platform 1, the base platform 92 is arranged below the elevating platform 91, scissors-type frames 93 uniformly and longitudinally distributed are arranged between the elevating platform 91 and the base platform 92, the scissors-type frames 93 are hinged with each other, a hydraulic output piece 97 is arranged on the base platform 92, the telescopic ends of the hydraulic output piece 97 are connected to the scissors-type frames 93 at the lowest part, the two opposite sides of the shielding generating components are arranged on the side walls of the elevating platform 91, the shielding generating components comprise aluminum foil shielding plates 94, the aluminum foil shielding plates 94 are rotatably connected to the side walls of the elevating platform 91, and the bottoms of the aluminum foil shielding plates 94 are fixedly connected with sliding seats 95, the inside of the sliding seat 95 is movably connected with a linkage extension rod 96, one end of the linkage extension rod 96 far away from the sliding seat 95 is movably connected with a hinge part of the scissor frame 93, a transfer driving mechanism 4, a displacement driving mechanism 7 and an electric connection plug-in mechanism 8 which are included in the gas insulated high-voltage switch cabinet cable test device are arranged on the same horizontal line, a cantilever I2 and a cantilever II 3 which fix the transfer driving mechanism 4, the displacement driving mechanism 7 and the electric connection plug-in mechanism 8 are also positioned on the same horizontal line at the same time, when the cable is ready for test, the transfer driving mechanism 4, a diameter-changing fixing mechanism 5, a transfer spiral mechanism 6, the displacement driving mechanism 7 and the electric connection plug-in mechanism 8 at the top of the bearing table 1 are integrally lifted by utilizing a lifting shielding mechanism 9 which is additionally arranged at the bottom of the bearing table 1, a lifting table 91 which is included in the lifting shielding mechanism 9 is fixed at the bottom of the bearing table 1, the base platform 92 is correspondingly placed on the ground right below the stand platform 91, after the hydraulic output piece 97 installed inside the base platform 92 is started, hydraulic tension is generated, the scissor type stand 93 which is arranged between the stand platform 91 and the base platform 92 in a mutually hinged mode is pulled to start extending movement, the scissor type stand 93 is folded and extended, the stand platform 91 at the top and the bearing platform 1 are pushed to ascend until reaching the proper test stand height, the stand platform 91 is driven by the scissor type stand 93 to ascend, the shielding generating components contained in the stand shielding mechanism 9 are synchronously opened, the two groups of shielding generating components are additionally installed on two sides of the stand platform 91 in a mode of two opposite sides, along with the unfolding of the scissor type stand 93, two ends of the hinge part of the linkage extending rod 96 respectively push the linkage extending rod 96 to ascend, simultaneously slide along the sliding seats 95 arranged at the bottoms of the two side shielding plates 94, simultaneously push the aluminum foil shielding plates 94 to synchronously unfold along the two sides of the stand platform 91 until the two sides of the aluminum foil shielding plates 94 form a group of large-area shielding structure, and the electromagnetic interference of the aluminum foil shielding mechanism 9 can be fully prevented from being influenced by the test cable shielding mechanism.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a gas-insulated high-voltage switchgear cable test device, which is characterized in that, including plummer (1), cantilever one (2), cantilever two (3), transfer actuating mechanism (4), reducing fixed establishment (5), transfer screw mechanism (6), displacement actuating mechanism (7), connect electric grafting mechanism (8), overhead shielding mechanism (9), unsettled frame (42), arc pressfitting strip (43), fixed plate (44), inscription section of thick bamboo (45), linkage sliding sleeve (54) and external sleeve (62), cantilever one (2) fixed connection is in plummer (1) top one side, cantilever two (3) fixed connection is in plummer (1) top one side of keeping away from cantilever one (2), transfer actuating mechanism (4) set up on cantilever one (2), reducing fixed establishment (5) are the multiunit to set up on transfer actuating mechanism (4) in the form of circumference distribution, transfer screw mechanism (6) set up in transfer actuating mechanism (4) be close to cantilever two (3) one side, displacement actuating mechanism (7) set up in transfer actuating mechanism (4) and transfer actuating mechanism (6) are connected between cantilever two (3) electricity, the lifting shielding mechanism (9) is arranged at the bottom of the bearing table (1);
The transfer driving mechanism (4) comprises a multi-station fixing cylinder (41), the multi-station fixing cylinder (41) is fixedly connected to the top of the cantilever I (2), a plurality of groups of variable-diameter fixing mechanisms (5) are arranged on the outer surface of the multi-station fixing cylinder (41) in a circumferential distribution mode, the positions, far away from the cantilever II (3), of the variable-diameter fixing mechanisms (5) are fixedly connected with a suspension frame (42), one end, far away from the multi-station fixing cylinder (41), of the suspension frame (42) is fixedly connected with an arc pressing strip (43), the positions, corresponding to the arc pressing strip (43), of the outer surface of the multi-station fixing cylinder (41) are fixedly connected with a fixed plate (44), a sliding groove is formed in the part, close to the cantilever II (3), of the fixed plate (44), and the inner side wall of the multi-station fixing cylinder (41) is fixedly connected with an inner wall (45).
The reducing fixing mechanism (5) comprises a conveying belt wheel piece (51), the conveying belt wheel piece (51) is arranged between an arc pressing strip (43) and a multi-station fixing cylinder (41), parallel displacement arms (52) corresponding to two sides are rotationally connected to the side wall of the conveying belt wheel piece (51), one ends of the parallel displacement arms (52) away from the conveying belt wheel piece (51) are rotationally connected to the side wall of a fixing plate (44), parallelism is kept between the parallel displacement arms (52), a dragging rod (53) is rotationally connected to the side wall of the conveying belt wheel piece (51), a linkage sliding sleeve (54) is slidingly connected to a sliding groove of the fixing plate (44), one ends of the dragging rod (53) away from the conveying belt wheel piece (51) are rotationally connected to the linkage sliding sleeve (54), and arc butt joint strips (55) opposite to the front side and the rear side of the side wall of the conveying belt wheel piece (51) away from the multi-station fixing cylinder (41) are fixedly connected to the position of the opposite sides of the conveying belt wheel piece (51).
The transfer screw mechanism (6) comprises a multi-station linkage cylinder (61), an external sleeve (62) is fixedly connected to the inner side wall of the multi-station linkage cylinder (61), the external sleeve (62) is sleeved on the internal sleeve (45), long-diameter frame lifting rods (63) distributed circumferentially are fixedly connected to the side wall of the multi-station linkage cylinder (61), short-diameter frame lifting rods (64) distributed circumferentially are fixedly connected to the side wall of the multi-station linkage cylinder (61) away from the side wall of the long-diameter frame lifting rods (63), the number of the long-diameter frame lifting rods (63) and the number of the short-diameter frame lifting rods (64) are equal to the number of variable-diameter fixing mechanisms (5), the adjacent parts of the long-diameter frame lifting rods (63) and the short-diameter frame lifting rods (64) are arranged in a crossing mode, and one end, away from the multi-station linkage cylinder (61), of the short-diameter frame lifting rods (64) is fixedly connected with arc-shaped fixing sleeves (65).
The lifting shielding mechanism (9) comprises a lifting table (91), a base table (92) and shielding generating components with opposite sides, wherein the lifting table (91) is fixedly connected to the bottom of the bearing table (1), the base table (92) is arranged below the lifting table (91), scissors-type frames (93) which are uniformly and longitudinally distributed are arranged between the lifting table (91) and the base table (92), the scissors-type frames (93) are hinged with each other, a hydraulic output piece (97) is arranged on the base table (92), the telescopic ends of the hydraulic output pieces (97) are connected to the scissors-type frames (93) at the bottommost part, and the two sides of the shielding generating components are oppositely arranged on the side walls of the lifting table (91);
the shielding production assembly comprises an aluminum foil shielding plate (94), the aluminum foil shielding plate (94) is rotationally connected to the side wall of the lifting table (91), a sliding seat (95) is fixedly connected to the bottom of the aluminum foil shielding plate (94), a linkage extension rod (96) is movably connected to the inside of the sliding seat (95), and one end of the linkage extension rod (96) away from the sliding seat (95) is movably connected to a hinge part of the scissor type frame (93).
2. The cable test device for the gas-insulated high-voltage switch cabinet according to claim 1, wherein the displacement driving mechanism (7) comprises a central fixing frame (71), a linkage sliding seat (73) and a rotary driving assembly, the central fixing frame (71) is fixedly connected inside a multi-station linkage cylinder (61), a driving screw (72) is rotationally connected to the center of the central fixing frame (71), a servo motor for driving the driving screw (72) to rotate is arranged on the central fixing frame (71), the linkage sliding seat (73) is slidingly connected to the side wall of the multi-station fixing cylinder (41) and is fixedly connected to a linkage sliding sleeve (54) distributed in a circumference, a center nut pair (74) is fixedly connected to the center of the linkage sliding seat (73), the center nut pair (74) is in threaded connection with the driving screw (72), and the rotary driving assembly is arranged on one side, close to the external sleeve (62), of the central fixing frame (71).
3. The cable test device for the gas-insulated high-voltage switch cabinet according to claim 1, wherein the power connection plugging mechanism (8) comprises a multi-station butt joint seat (81), the multi-station butt joint seat (81) is fixedly connected to the top end of the cantilever II (3) and is arranged on the same horizontal line with the multi-station fixing cylinder (41) and the multi-station linkage cylinder (61), and cable joints (82) distributed circumferentially are arranged on the side wall of the multi-station butt joint seat (81).
4. The cable test device for the gas-insulated high-voltage switch cabinet according to claim 2, wherein the rotary driving assembly comprises a triangular fixing seat (75) and an inner gear ring (78), the triangular fixing seat (75) is fixedly connected to a position, close to one side of the external sleeve (62), of the central fixing seat (71), a central gear (76) is rotatably connected to the center inside the triangular fixing seat (75), circumferentially distributed transmission gears (77) are rotatably connected to the inside of the triangular fixing seat (75), the transmission gears (77) are in meshed connection with outer gear keys of the central gear (76), the inner gear ring (78) is fixedly connected to the inner side wall of the external sleeve (62), and inner gear ring gear keys of the inner gear ring (78) are in meshed connection with the transmission gears (77) and wrap the circumferentially distributed transmission gears (77).
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| CN112255505A (en) * | 2020-11-27 | 2021-01-22 | 国网福建省电力有限公司 | Cable detection equipment |
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| US6621276B2 (en) * | 2000-12-26 | 2003-09-16 | Pirelli Cavi E Sistemi S.P.A. | Termination assembly for power cable testing and methods for its use |
| US8085053B2 (en) * | 2008-12-23 | 2011-12-27 | Biosense Webster, Inc. | Twisted-pair electrical cable testing |
| EP2838107B1 (en) * | 2013-08-14 | 2016-06-01 | Fei Company | Circuit probe for charged particle beam system |
| CN112542263B (en) * | 2020-10-31 | 2022-04-08 | 无锡卡尔曼导航技术有限公司 | Agricultural machinery cable and automatic testing arrangement thereof |
| CN114803691A (en) * | 2022-05-13 | 2022-07-29 | 贵州玉蝶电工股份有限公司 | Device for winding and packaging insulated wire and using method thereof |
| CN117741203B (en) * | 2024-02-20 | 2024-05-07 | 辽宁沈鹏电力科技有限公司 | Quick test device for 10-35kV cable |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785104A (en) * | 2016-08-31 | 2018-03-09 | 衡阳恒飞电缆有限责任公司 | A kind of flaming retarding cold resistant feed and signal cable and preparation method thereof |
| CN112255505A (en) * | 2020-11-27 | 2021-01-22 | 国网福建省电力有限公司 | Cable detection equipment |
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Denomination of invention: A gas insulated high-voltage switchgear cable testing device Granted publication date: 20240723 Pledgee: Baiyun branch of Guiyang Bank Co.,Ltd. Pledgor: GUIZHOU YUDIE ELECTRIC Co.,Ltd. Registration number: Y2024980042689 |