CN112462171A - High-precision temperature-sensing cable detection equipment - Google Patents
High-precision temperature-sensing cable detection equipment Download PDFInfo
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- CN112462171A CN112462171A CN202011251706.7A CN202011251706A CN112462171A CN 112462171 A CN112462171 A CN 112462171A CN 202011251706 A CN202011251706 A CN 202011251706A CN 112462171 A CN112462171 A CN 112462171A
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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
- G01R31/003—Environmental or reliability tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/007—Testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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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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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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Abstract
The invention discloses high-precision temperature-sensing cable detection equipment in the technical field of cable detection, which comprises a rack, wherein the top of the rack is bilaterally and symmetrically connected with a first mobile station in a sliding manner, and the top of the rack is bilaterally and symmetrically connected with a cable tensioning mechanism in a sliding manner; the temperature sensing cable heating device has the advantages that the two heating cabins capable of being closed are arranged, the temperature sensing cable can be heated in all directions, the temperature sensing cable can be heated uniformly while reaching the specified temperature rapidly, the detection efficiency is improved, the tensioning rack is arranged to drive the tensioning gear and the tensioning cam to rotate, the tensioning cam does not extrude the tensioning plate, the compressed second reset spring is reset, the temperature sensing cable is flexibly straightened, the temperature sensing cable is straightened in the middle position of the heating cabins, the problem of nonuniform heating caused by bending is avoided, the temperature sensing cable is flexibly straightened, the temperature sensing cable cannot be damaged, and the accuracy of the detection result is improved.
Description
Technical Field
The invention relates to the technical field of cable detection, in particular to high-precision temperature-sensing cable detection equipment.
Background
The temperature sensing cable is internally provided with two elastic steel wires, a layer of temperature sensing and insulating material is wrapped outside each steel wire, the two steel wires are in an insulating state in a normal monitoring state, when the ambient temperature rises to a preset action temperature, the temperature sensing material is broken, the two steel wires generate short circuit, and an input module detects a short circuit signal and then generates an alarm. The temperature-sensing cable detector can be used in places such as power stations, substations, cable channels, tunnels, interlayers and conveyor belts, is stable and reliable, and is suitable for fire detection in severe environments.
In the invention case of a high-precision temperature-sensing cable detection device disclosed in the prior art, a Chinese patent with the patent application number of CN201120099662.0 is invented, and the detection device of the temperature-sensing cable is characterized in that: the direct current power supply is connected with the temperature controller, the temperature controller is connected with the heating plate, and the temperature sensing probe is fixed on the heating plate and connected with the temperature controller. The temperature sensing cable to be detected is arranged on the heating plate, safe direct current generated by the low-voltage direct-current power supply flows through the temperature controller to the heating plate, the temperature sensing probe converts the temperature of the heating plate into a signal and transmits the signal back to the temperature controller, when the temperature rises to a set temperature value (or is slightly higher than the set temperature value) of the temperature controller, the temperature control switch of the temperature controller cuts off the direct current, the heating plate stops heating, when the temperature of the heating plate is lower than the set temperature value, the temperature control switch of the temperature controller switches on the direct current, the heating plate is enabled to continue heating, and the temperature of the heating plate is controlled repeatedly. The temperature of the heating plate is just the designed temperature of the power supply loop which is monitored by the temperature sensing cable and generates fire.
At present, the temperature sensing cables are detected by baking the middle sections of the temperature sensing cables through fire, so that the quality of the temperature sensing cables is detected, on one hand, the temperature sensing cables are easily heated unevenly when being heated, the temperatures of the upper surface and the lower surface are different, the preset temperature cannot be rapidly reached, the detection efficiency is low, on the other hand, the length of the temperature sensing cables intercepted during detection is slightly deviated, the straightness cannot be ensured during fixation, and the detection results of the temperature sensing cables in a bending state have deviation.
Based on the above, the invention designs a high-precision temperature-sensing cable detection device to solve the above problems.
Disclosure of Invention
The invention aims to provide high-precision temperature-sensing cable detection equipment, which aims to solve the problems that the quality of a temperature-sensing cable is detected by baking the middle section of the temperature-sensing cable with fire at present, on one hand, the temperature-sensing cable is easy to be heated unevenly when being heated, the upper surface and the lower surface of the temperature-sensing cable have different temperatures and cannot reach the preset temperature quickly, on the other hand, the length of the temperature-sensing cable cut out during detection has slight deviation, and the temperature-sensing cable cannot be stretched straightly when being fixed, and the detection result of the temperature-sensing cable in a bending state has deviation.
In order to achieve the purpose, the invention provides the following technical scheme: a high-precision temperature-sensing cable detection device comprises a rack, wherein the top of the rack is bilaterally and symmetrically connected with a first mobile station in a sliding manner, a mobile station sliding groove is formed in the rack corresponding to the first mobile station, the first mobile station slides leftwards and rightwards along the mobile station sliding groove, a double-end lead screw is connected to the two first mobile stations through common threads, a cable tensioning mechanism for wiring is connected to the top of the rack in a bilaterally and symmetrically sliding manner, the cable tensioning mechanism is located between the two first mobile stations, a heating bin closing mechanism is connected to the middle of the top of the rack in a sliding manner, a detection mechanism for detecting the quality of a temperature-sensing cable is connected to the top of the two first mobile stations, and a power mechanism for driving the double-;
the cable tensioning mechanism comprises an L-shaped mobile platform, the L-shaped mobile platform is symmetrically connected to the top of the rack in a left-right sliding mode, a first sliding groove is formed in the top of the rack corresponding to the L-shaped mobile platform, the L-shaped mobile platform moves left and right along the first sliding groove, a lower fastening base is fixedly connected to the top of the bottom end of the L-shaped mobile platform, an upper fastening base is rotatably connected to the rear end of the lower fastening base, fastening screws are jointly and threadedly connected to the front ends of the upper fastening base and the lower fastening base, a compacting plate is fixedly connected to the outer side of the upper fastening base, first return springs which are symmetrically distributed front and back are fixedly connected to the bottom of the compacting plate, compacting sliders are fixedly connected to the bottoms of the two first return springs, first connecting seats which are symmetrically distributed front and back are fixedly connected to the top of the high end of the L-shaped mobile platform, the outer end of the connecting column is provided with a fillet, the first connecting seat is provided with a groove for placing a steel wire in a temperature sensing cable, the bottom of the compacting plate is in contact with the top of the first connecting seat, the top of the rack is rotationally connected with rotating shafts which are symmetrically distributed in a front-back and left-right direction, the surfaces of the two rotating shafts are fixedly connected with tensioning cams, the tensioning cams are rotationally connected to the top of the rack, the two tensioning cams are positioned on the upper and lower outer sides of an L-shaped moving table, the surfaces of the rotating shafts are fixedly connected with tensioning gears, the tensioning gears are positioned on the tops of the tensioning cams, the inner side of the first moving table is fixedly connected with tensioning racks which are symmetrically distributed in a front-back direction, the tensioning racks are meshed with the tensioning gears, the tensioning gears are positioned on the outer sides of the tensioning racks, the tensioning plate is in contact with the top of the rack, a second return spring is fixedly connected to the outer side of the tensioning plate, the second return spring is compressed at the moment, a spring base is fixedly connected to the other end of the second return spring, and the spring base is fixedly connected to the top of the rack;
the heating bin closing mechanism comprises a heating bin, the heating bin is symmetrically distributed in two front and back directions, a second sliding groove which is symmetrically distributed in the left and right directions is formed in the position, corresponding to the heating bin, of the top of the rack, the heating bin moves back and forth along the second sliding groove, an arc sliding groove which is symmetrically distributed in the front and back and left and right directions is formed in the top of the rack, the arc sliding groove is located on the outer side of the heating bin, a second sliding block is connected to the inner wall of the arc sliding groove in a rolling mode and moves in an arc mode along the arc sliding groove, a rotating connecting rod is rotatably connected to the surface of the second sliding block, a rotating base which is symmetrically distributed in the up and down direction is rotatably connected to the other end of the rotating connecting rod, the outer side of the rotating base is fixedly connected to the inner side of a first moving platform, the third sliding block slides left and right along the third sliding groove;
when the device works, the two ends of the temperature sensing cable to be detected are peeled off, the two steel wires in the middle are exposed, the two ends of the cable are respectively placed on the lower fastening base, the upper fastening base is turned over to be contacted with the lower fastening base, the fastening screw is rotated to lock the upper fastening base and the lower fastening base, the compacting plate and the upper fastening base synchronously rotate to be contacted with the top of the first connecting base, under the extrusion of a first return spring and a compaction sliding block, two steel wires exposed at two ends of a temperature sensing cable are respectively in close contact with a first connecting seat, at the moment, two ends of the temperature sensing cable are fixed, a power mechanism is started, a double-end screw rod starts to rotate, so that a left first mobile platform and a right first mobile platform move towards the middle, a tensioning rack is driven to rotate synchronously in the process that the first mobile platforms move towards the middle, the tensioning rack drives a tensioning gear to rotate, so that a tensioning cam is driven to rotate outwards synchronously, when the tensioning cam rotates outwards, the tensioning plate is not extruded any more, at the moment, a compressed second return spring starts to reset, the tensioning plate and an L-shaped mobile platform are pushed to move outwards, so that the temperature sensing cable is flexibly straightened without damaging the temperature sensing cable, when the first mobile platforms move inwards, a rotating base and a rotating connecting rod are driven to move synchronously, the rotating connecting rod pushes a second sliding block to move, the third slide block is driven by the second slide block to slide inwards along the third slide groove and simultaneously extrude the heating bin to move inwards along the second slide groove, when the first mobile station moves to a designated position, the heating bin is closed, the temperature sensing cable is surrounded at the middle position, the heat generated by the heating bin can be uniformly conducted to the surface of the temperature sensing cable, and is beneficial to uniform heating, the connecting column is butted with the detection mechanism, the power mechanism is closed, the heating bin is started, and the quality of the temperature sensing cable is detected by the detection mechanism. Improve detection efficiency, it is rotatory to drive tensioning gear and tensioning cam through setting up the tensioning rack, make the tensioning cam not be to the tensioning plate extrusion, thereby make the second reset spring of compressed reset, promote tensioning plate and the outside removal of L type mobile station, thereby the realization is to the flexible straightness that stretches tight of temperature sensing cable, make the temperature sensing cable straighten at the intermediate position of heated warehouses, avoid buckling and cause the inhomogeneous problem of being heated, and for the flexible straightness that stretches tight, can not lead to the fact destruction to the temperature sensing cable, improve the accuracy of testing result.
As a further scheme of the invention, a first cavity is formed in the tensioning plate, the first cavity is connected with a tensioning and stabilizing mechanism in a sliding manner, the tensioning and stabilizing mechanism comprises a third reset spring, the third reset spring is fixedly connected to the rear end of the first cavity, the front end of the third reset spring is fixedly connected with a support sliding plate, the side surface of the support sliding plate is fixedly connected with an elastic telescopic rod, the end part of the elastic telescopic rod is fixedly connected with a roller seat, the roller seat is rotatably connected with a small roller, the surface of the small roller is in mutual contact with the inner wall of the first cavity, the front end of the support sliding plate is fixedly connected with a first friction plate, the top of the frame is fixedly connected with a second friction plate, and the second friction plate is positioned at the front end of the first friction plate; when the temperature sensing cable outer side flexible straightening device works, the tensioning cam rotates to push the first friction plate to move forwards, the first friction plate drives the supporting sliding plate and the roller seat to move synchronously, the small roller rolls along the right end of the first cavity, when the tensioning cam rotates ninety degrees, the first friction plate is in contact with the second friction plate at the moment, and the third reset spring is stretched.
As a further scheme of the invention, a tensioning inclined block is fixedly connected to the right end of the rear side of the first friction plate, and the tensioning inclined block is positioned outside the tensioning gear; when the temperature sensing cable is in work, the tensioning cam rotates ninety degrees and then continuously rotates to be in contact with the tensioning inclined block, the tensioning inclined block is extruded to enable the first friction to continuously move forwards, and the acting force between the first friction plate and the second friction plate is enhanced, so that the straightening state of the temperature sensing cable is more stable.
As a further scheme of the invention, the detection mechanism comprises a second connecting seat, the second connecting seat is fixedly connected to the top of the first mobile station, the second connecting seat is symmetrically distributed in front and back direction and corresponds to the first connecting seat, the second connecting seat is provided with a butt joint port corresponding to the connecting column, the inner side of the second connecting seat is fixedly connected with a butt joint mechanism facilitating butt joint of the connecting column, the top of the first mobile station on the right side is fixedly connected with a first electric lamp, the first electric lamp is positioned on the outer side of the second connecting seat, the two second connecting seats on the right side are commonly connected with the first electric lamp through electric wires, the top of the first mobile station on the left side is fixedly connected with a detection power supply, the detection power supply is positioned on the outer side of the second connecting seat, the top of the first mobile station is fixedly connected with a second electric lamp, the second electric lamp is positioned at the front end of, the second connecting seat at the front end of the left side is connected with a second electric lamp through an electric wire, and the detection power supply is connected with the second electric lamp through an electric wire; the during operation, treat the spliced pole and the butt joint of the second connecting seat outside that corresponds, start and detect power and heated warehouses, first electric light and second electric light all give off light this moment, treat that heated warehouses heats appointed temperature, if first electric light extinguishes, then the appointed temperature just fuses and takes place the short circuit in arrival of temperature sensing cable quality conformity requirement, if first electric light does not extinguish, then temperature sensing cable quality is unqualified, it does not fuse to arrive appointed temperature, through setting up first electric light, convenient visual judgement cable quality is good or bad, treat that heated warehouses heats appointed temperature, if first electric light extinguishes, then temperature sensing cable quality conformity requires if first electric light does not extinguish, then temperature sensing cable quality is unqualified, through setting up the second electric light, to the protection that detects the power when conveniently protecting the temperature sensing cable short circuit.
As a further scheme of the invention, the docking mechanism comprises a support ring, a fifth return spring which is uniformly distributed circumferentially is fixedly connected to the inner wall of the support ring, an arc plate is fixedly connected to the bottom of the fifth return spring, the arc plate inclines outwards for a certain angle, a first limiting ring is fixedly connected to the inner wall of the support ring, the first limiting ring is located on the outer side of the arc plate, a second limiting ring is fixedly connected to the outer side of the second connecting seat, and the second limiting ring is located on the outer side of the arc plate; when the connecting column is butted with the butt joint port, the connecting column is conveniently wrapped by the arc plate with the inclination angle, the arc plate is extruded by the connecting column to move outwards, and meanwhile, the maximum displacement of the arc plate is limited by the first limiting ring and the second limiting ring, so that the connecting column can still smoothly enter the butt joint port under the guidance of the arc plate under the condition of offset error.
As a further scheme of the invention, the power mechanism comprises a motor, the motor is fixedly connected to the right end of the top of the frame, the output end of the motor is fixedly connected with a speed reducer, the speed reducer is fixedly connected to the top of the frame, and the output end of the speed reducer is fixedly connected with the right end of the double-ended screw rod; when the temperature sensing device works, the motor is started, and the speed reducer outputs stable power to enable the double-end screw rod to rotate stably to drive the first mobile platform to move inwards, so that the butt joint of the temperature sensing cable and the detection mechanism and the stretching of the temperature sensing cable are completed, and the effect of driving the first mobile platform to move is achieved.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention separates the heating chambers before detection by arranging two closeable heating chambers, is convenient to place a temperature sensing cable, moves inwards by the first mobile station to drive the rotating connecting rod to move synchronously, so that the third sliding block pushes the heating chambers to close, realizes the omnibearing heating of the temperature sensing cable, ensures that the temperature sensing cable can quickly reach the specified temperature and can be uniformly heated, improves the detection efficiency, drives the tensioning gear and the tensioning cam to rotate by arranging the tensioning rack, ensures that the tensioning cam does not extrude the tensioning plate, thereby leading the compressed second reset spring to reset, pushes the tensioning plate and the L-shaped mobile station to move outwards, realizes the flexible straightening of the temperature sensing cable, ensures that the temperature sensing cable is straightened at the middle position of the heating chambers, avoids the problem of uneven heating caused by bending, is flexible straightening, and cannot damage the temperature sensing cable, the accuracy of the detection result is improved.
2. According to the temperature sensing cable tensioning device, the telescopic rod and the tensioning inclined block are arranged, when the second return spring is reset to push the tensioning plate to move outwards, the tensioning cam is used for pushing the first friction plate to move forwards, when the outer side of the temperature sensing cable is flexibly tensioned to be straight, the first friction plate is in contact with the second friction plate, the tensioning plate is kept relatively stable, the situation that the tensioning plate cannot shake leftwards and rightwards in the detection process is ensured, the tensioning cam rotates ninety degrees and then continues to rotate to be in contact with the tensioning inclined block, the tensioning inclined block is extruded to enable the first friction to continue to move forwards, the acting force between the first friction plate and the second friction plate is enhanced, and therefore the tensioned state of the temperature sensing cable is more stable.
3. According to the invention, by arranging the fifth return spring and the arc plate, when the connecting column is in butt joint with the butt joint port, the arc plate with the inclination angle conveniently wraps the connecting column, the arc plate is extruded by the connecting column to move outwards, and meanwhile, the maximum displacement of the arc plate is limited by the first limiting ring and the second limiting ring, so that the connecting column can still smoothly enter the butt joint port under the guidance of the arc plate under the condition of offset error.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic diagram showing the positional relationship among the L-shaped mobile station, the lower fastening base, and the first connecting base (a part of the temperature sensing cable is cut out) in the present invention;
FIG. 5 is a schematic diagram of the position of the tension stabilizing mechanism of the present invention (sectioned from the top of the first cavity to the tension plate);
FIG. 6 is an enlarged view of FIG. 5 at B;
FIG. 7 is a cross-sectional view of the docking mechanism of the present invention;
FIG. 8 is an enlarged view at C of FIG. 7;
figure 9 is a schematic view of the rack and the heating chamber position.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a rack 1, a first moving platform 2, a moving platform sliding chute 3, a double-head screw rod 4, an L-shaped moving platform 5, a first sliding chute 6, a lower fastening base 7, an upper fastening base 8, a fastening screw 9, a compacting plate 10, a first return spring 11, a compacting slide block 12, a first connecting seat 13, a connecting column 14, a groove 15, a rotating shaft 16, a tensioning cam 17, a tensioning gear 18, a tensioning rack 19, a tensioning plate 20, a second return spring 21, a spring base 22, a heating bin 23, a second sliding chute 24, an arc sliding chute 25, a second slide block 26, a rotating connecting rod 27, a rotating base 28, a third slide block 29, a third sliding chute 30, a first cavity 31, a third return spring 32, a supporting sliding plate 33, a roller seat 34, a fourth return spring 35, a small roller 36, a first friction plate 37, a second friction plate 38, a tensioning inclined block 39, a second connecting seat 40, a butt joint 41, a first electric lamp 42, The detection device comprises a detection power supply 43, a second electric lamp 44, a support ring 45, a fifth return spring 46, an arc plate 47, a first limit ring 48, a second limit ring 49, a motor 50 and a speed reducer 51.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a high-precision temperature-sensing cable detection device comprises a rack 1, wherein the top of the rack 1 is bilaterally and symmetrically connected with a first mobile station 2 in a sliding manner, a mobile station sliding groove 3 is formed in the rack 1 corresponding to the first mobile station 2, the first mobile station 2 slides leftwards and rightwards along the mobile station sliding groove 3, the two first mobile stations 2 are jointly in threaded connection with a double-end lead screw 4, the top of the rack 1 is bilaterally and symmetrically connected with a cable tensioning mechanism for wiring, the cable tensioning mechanism is positioned between the two first mobile stations 2, the middle of the top of the rack 1 is slidably connected with a heating bin closing mechanism, the tops of the two first mobile stations 2 are jointly connected with a detection mechanism for detecting the quality of a temperature-sensing cable, and the right end of the top of the;
the cable tensioning mechanism comprises an L-shaped mobile station 5, the L-shaped mobile station 5 is bilaterally and symmetrically connected to the top of a frame 1 in a sliding mode, a first sliding groove 6 is formed in the top of the frame 1 corresponding to the L-shaped mobile station 5, the L-shaped mobile station 5 moves left and right along the first sliding groove 6, a lower fastening base 7 is fixedly connected to the top of the bottom end of the L-shaped mobile station 5, an upper fastening base 8 is rotatably connected to the rear end of the lower fastening base 7, fastening screws 9 are jointly and threadedly connected to the front ends of the upper fastening base 8 and the lower fastening base 7, a compacting plate 10 is fixedly connected to the outer side of the upper fastening base 8, first return springs 11 which are symmetrically distributed front and back are fixedly connected to the bottom of the compacting plate 10, compacting sliders 12 are fixedly connected to the bottoms of the two first return springs 11, first connecting seats 13 which are symmetrically distributed front and back are fixedly connected to the top of the, the outer end of a connecting column 14 is provided with a fillet, a first connecting seat 13 is provided with a groove 15 for placing a steel wire in a temperature sensing cable, the bottom of a compacting plate 10 is contacted with the top of the first connecting seat 13, the top of a frame 1 is rotationally connected with rotating shafts 16 which are symmetrically distributed front and back and left and right, the surfaces of the two rotating shafts 16 are fixedly connected with tensioning cams 17, the tensioning cams 17 are rotationally connected with the top of the frame 1, the two tensioning cams 17 are positioned at the upper and lower outer sides of an L-shaped moving platform 5, the surfaces of the rotating shafts 16 are fixedly connected with tensioning gears 18, the tensioning gears 18 are positioned at the tops of the tensioning cams 17, the inner side of the first moving platform 2 is fixedly connected with tensioning racks 19 which are symmetrically distributed front and back, the tensioning racks 19 are mutually meshed with the tensioning gears 18, the tensioning gears 18 are positioned at the outer sides of, the tensioning plate 20 is contacted with the top of the frame 1, a second return spring 21 is fixedly connected to the outer side of the tensioning plate 20, the second return spring 21 is compressed at the moment, a spring base 22 is fixedly connected to the other end of the second return spring 21, and the spring base 22 is fixedly connected to the top of the frame 1;
the heating bin closing mechanism comprises a heating bin 23, the heating bin 23 is symmetrically distributed in two front and back, a second sliding groove 24 symmetrically distributed in left and right is formed in the position, corresponding to the heating bin 23, of the top of the rack 1, the heating bin 23 moves back and forth along the second sliding groove 24, an arc sliding groove 25 symmetrically distributed in front and back and left and right is formed in the top of the rack 1, the arc sliding groove 25 is located on the outer side of the heating bin 23, a second sliding block 26 is connected to the inner wall of the arc sliding groove 25 in a rolling mode, the second sliding block 26 moves in an arc mode along the arc sliding groove 25, a rotating connecting rod 27 is rotatably connected to the surface of the second sliding block 26, a rotating base 28 symmetrically distributed in up and down is rotatably connected to the other end of the rotating connecting rod 27, the outer side of the rotating base 28 is fixedly connected to the inner side of the first moving platform 2, a third sliding block, the third slider 29 slides left and right along the third sliding groove 30;
when the device works, the two ends of the temperature sensing cable to be detected are peeled off, the two middle steel wires are exposed, the two ends of the cable are respectively placed on the lower fastening base 7, the upper fastening base 8 is turned over to be contacted with the lower fastening base 7, the upper fastening base 8 and the lower fastening base 7 are locked by rotating the fastening screw 9, and the compacting plate 10 and the upper fastening base 8 synchronously rotate, the two steel wires exposed at two ends of the temperature sensing cable are respectively in close contact with the first connecting seat 13 under the extrusion of the first return spring 11 and the compaction sliding block 12, the two ends of the temperature sensing cable are fixed at the moment, the power mechanism is started, the double-end screw rod 4 starts to rotate, the left and right first moving platforms 2 move towards the middle, the tensioning rack 19 is driven to rotate and synchronously move in the process that the first moving platform 2 moves towards the middle, the tensioning rack 19 drives the tensioning gear 18 to rotate, so that the tensioning cam 17 is driven to synchronously rotate outwards, when the tensioning cam 17 rotates outwards, the tensioning plate 20 is not extruded any more, the compressed second return spring 21 starts to reset at the moment, the tensioning plate 20 and the L-shaped moving platform 5 are pushed to move outwards, the flexible straightening of the temperature sensing cable is realized, the temperature sensing cable cannot be damaged, and in the process that the first moving platform 2 moves inwards, the rotating base 28 and the rotating connecting rod 27 are driven to move synchronously, the rotating connecting rod 27 pushes the second sliding block 26 to move along the arc sliding groove 25, the third sliding block 29 slides inwards along the third sliding groove 30 and simultaneously extrudes the heating bin 23 to move inwards along the second sliding groove 24 under the driving of the second sliding block 26, when the first mobile station 2 moves to a specified position, the heating bin 23 is closed to surround the temperature sensing cable at the middle position, the heat generated by the heating bin can be uniformly conducted to the surface of the temperature sensing cable to facilitate uniform heating, the connecting column 14 completes butt joint with the detection mechanism, the power mechanism is closed, the heating bin 23 is started, the quality of the temperature sensing cable is detected through the detection mechanism, the two heating bins 23 capable of being closed are arranged, the heating bin 23 is separated before detection, the temperature sensing cable is convenient to place, the rotating connecting rod 27 is driven to move synchronously through the inward movement of the first mobile station 2, make third slider 29 promote heated warehouses 23 and accomplish the closure, realized the all-round heating to the temperature sensing cable, make the temperature sensing cable can also keep being heated evenly when reaching appointed temperature rapidly, improve detection efficiency, it is rotatory to drive tensioning gear 18 and tensioning cam 17 through setting up tensioning rack 19, make tensioning cam 17 not extrude tensioning plate 20, thereby make the second reset spring 21 of compressed reset, promote tensioning plate 20 and L type mobile station 5 outwards removal, thereby realize the flexible straightness that stretches over to the temperature sensing cable, make the temperature sensing cable straighten the intermediate position at heated warehouses 23, avoid buckling and cause the inhomogeneous problem of being heated, and for the flexible straightness that stretches over, can not cause destruction to the temperature sensing cable, improve the accuracy of testing result.
As a further scheme of the present invention, a first cavity 31 is opened inside the tensioning plate 20, the first cavity 31 is slidably connected with a tensioning and stabilizing mechanism, the tensioning and stabilizing mechanism includes a third return spring 32, the third return spring 32 is fixedly connected to the rear end of the first cavity 31, the front end of the third return spring 32 is fixedly connected with a supporting slide plate 33, the side surface of the supporting slide plate 33 is fixedly connected with an elastic telescopic rod 35, the end of the elastic telescopic rod is fixedly connected with a roller seat 34, the roller seat 34 is rotatably connected with a small roller 36, the surface of the small roller 36 is in mutual contact with the inner wall 31 of the first cavity, the front end of the supporting slide plate 33 is fixedly connected with a first friction plate 37, the top of the frame 1 is fixedly connected with a second friction plate 38, and the second friction plate 38 is located at; when the temperature sensing cable tensioning device works, the tensioning cam 17 rotates to push the first friction plate 37 to move forwards, the first friction plate 37 drives the supporting sliding plate 33 and the roller seat 34 to move synchronously, the small roller 36 rolls along the right end of the first cavity 31, when the tensioning cam 17 rotates ninety degrees, the first friction plate 37 and the second friction plate 38 are in contact with each other, and the third return spring 32 is stretched.
As a further scheme of the present invention, a tensioning inclined block 39 is fixedly connected to the right end of the rear side of the first friction plate 37, and the tensioning inclined block 39 is located outside the tensioning gear 18; in operation, when the tensioning cam 17 rotates ninety degrees and then continues to rotate, the tensioning cam is in contact with the tensioning inclined block 39, and the tensioning inclined block 39 is pressed to enable the first friction to continue to move forwards, so that the acting force between the first friction plate 37 and the second friction plate 38 is enhanced, and the straightening state of the temperature sensing cable is more stable.
As a further scheme of the invention, the detection mechanism comprises a second connecting seat 40, the second connecting seat 40 is fixedly connected to the top of the first mobile station 2, the second connecting seats 40 are symmetrically distributed in the front and back direction and correspond to the first connecting seat 13, the second connecting seat 40 is provided with a butt joint port 41 corresponding to the connecting column 14, the inner side of the second connecting seat 40 is fixedly connected with a butt joint mechanism facilitating the butt joint of the connecting column 14, the top of the first mobile station 2 on the right side is fixedly connected with a first electric lamp 42, the first electric lamp 42 is positioned on the outer side of the second connecting seat 40, the two second connecting seats 40 on the right side are commonly connected with the first electric lamp 42 through electric wires, the top of the first mobile station 2 on the left side is fixedly connected with a detection power supply 43, the detection power supply 43 is positioned on the outer side of the second connecting seat 40, the top of the first mobile station 2 is fixedly connected with a second electric lamp 44, the second, the second connecting base 40 at the front end of the left side is connected with a second electric lamp 44 through an electric wire, and the detection power supply 43 is connected with the second electric lamp 44 through an electric wire; during operation, wait spliced pole 14 and the butt joint in the second connecting seat 40 outside of corresponding, start detection power 43 and heating chamber 23, first electric light 42 and second electric light 44 all give off light this moment, wait that heating chamber 23 heats to appointed temperature, if first electric light 42 extinguishes, temperature sensing cable quality meets the requirements and arrives appointed temperature and just fuses and take place the short circuit, if first electric light 42 does not extinguish, temperature sensing cable quality is unqualified, it does not fuse to arrive appointed temperature, through setting up first electric light 42, convenient visual judgement cable quality is good or bad, it heats to appointed temperature to wait heating chamber 23, if first electric light 42 extinguishes, then temperature sensing cable quality meets the requirements if first electric light 42 does not extinguish, then temperature sensing cable quality is unqualified, through setting up second electric light 44, to the protection of detection power 43 when convenient protection temperature sensing cable short circuit.
As a further scheme of the present invention, the docking mechanism includes a support ring 45, the inner wall of the support ring 45 is fixedly connected with fifth return springs 46 which are uniformly and circumferentially distributed, the bottom of the fifth return spring 46 is fixedly connected with an arc plate 47, the arc plate 47 inclines outwards for a certain angle, the inner wall of the support ring 45 is fixedly connected with a first limit ring 48, the first limit ring 48 is located outside the arc plate 47, the outside of the second connection seat 40 is fixedly connected with a second limit ring 49, and the second limit ring 49 is located outside the arc plate 47; in the invention, the fifth return spring 46 and the circular arc plate 47 are arranged, when the connecting column 14 is butted with the butting port 41, the circular arc plate 47 with an inclination angle conveniently wraps the connecting column 14, the circular arc plate 47 is extruded by the connecting column 14 to move outwards, and meanwhile, the maximum displacement of the circular arc plate 47 is limited by the first limiting ring 48 and the second limiting ring 49, so that the connecting column 14 can still smoothly enter the butting port 41 under the guidance of the circular arc plate 47 under the condition of offset error.
As a further scheme of the invention, the power mechanism comprises a motor 50, the motor 50 is fixedly connected to the right end of the top of the frame 1, the output end of the motor 50 is fixedly connected with a speed reducer 51, the speed reducer 51 is fixedly connected to the top of the frame 1, and the output end of the speed reducer 51 is fixedly connected with the right end of the double-end screw rod 4; when the temperature-sensing cable detection device works, the motor 50 is started, and stable power is output through the speed reducer 51, so that the double-end screw rod 4 can rotate stably to drive the first mobile platform 2 to move inwards, the butt joint of the temperature-sensing cable and the detection mechanism and the stretching of the temperature-sensing cable are completed, and the effect of providing power for driving the first mobile platform 2 to move is achieved.
The working principle is as follows: when the device works, two ends of a temperature sensing cable to be detected are peeled, two steel wires in the middle are exposed, two ends of the cable are respectively placed on the lower fastening base 7, the upper fastening base 8 is turned over to be in contact with the lower fastening base 7, the upper fastening base 8 and the lower fastening base 7 are locked by rotating the fastening screw 9, the compacting plate 10 and the upper fastening base 8 synchronously rotate and are in contact with the top of the first connecting seat 13, the two exposed steel wires at two ends of the temperature sensing cable are respectively in close contact with the first connecting seat 13 under the extrusion of the first reset spring 11 and the compacting slide block 12, two ends of the temperature sensing cable are fixed at the moment, the power mechanism is started, the double-head lead screw 4 starts to rotate, the left first moving platform 2 and the right first moving platform 2 move towards the middle, the tensioning rack 19 is driven to synchronously move in the moving process of the first moving platform 2 towards the middle, the tensioning rack 19 drives the tensioning gear 18, thereby driving the tensioning cam 17 to rotate outwards synchronously, when the tensioning cam 17 rotates outwards, the tensioning plate 20 is not extruded any more, at this time, the compressed second reset spring 21 starts to reset, the tensioning plate 20 and the L-shaped mobile station 5 are pushed to move outwards, thereby realizing the flexible straightening of the temperature sensing cable without damaging the temperature sensing cable, in the process of moving inwards of the first mobile station 2, the rotating base 28 and the rotating connecting rod 27 are driven to move synchronously, the rotating connecting rod 27 pushes the second sliding block 26 to move along the arc sliding chute 25, under the drive of the second sliding block 26, the third sliding block 29 extrudes the heating bin 23 to move inwards along the second sliding chute 24 while sliding inwards along the third sliding chute 30, when the first mobile station 2 moves to a designated position, at this time, the heating bin 23 is closed completely, the temperature sensing cable is surrounded at a middle position, the heat generated by the heating bin can be uniformly conducted to the surface of the temperature sensing cable, the temperature sensing cable detection device is beneficial to uniform heating, the connecting column 14 is in butt joint with the detection mechanism, the power mechanism is closed, the heating bin 23 is started, and the quality of the temperature sensing cable is detected through the detection mechanism.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a high accuracy temperature sensing cable check out test set, includes frame (1), its characterized in that: the temperature-sensing cable detection device is characterized in that the top of the rack (1) is bilaterally and symmetrically connected with first moving tables (2) in a sliding manner, moving table sliding grooves (3) are formed in the rack (1) corresponding to the first moving tables (2), the first moving tables (2) slide leftwards and rightwards along the moving table sliding grooves (3), two first moving tables (2) are in threaded connection with a double-end lead screw (4) together, cable tensioning mechanisms for wiring are connected to the top of the rack (1) in a bilaterally and symmetrically sliding manner and are located between the two first moving tables (2), a heating bin closing mechanism is connected to the middle of the top of the rack (1) in a sliding manner, a detection mechanism for detecting the quality of a temperature-sensing cable is connected to the tops of the two first moving tables (2) together, and a power mechanism for driving the double-end lead screw (4;
the cable tensioning mechanism comprises an L-shaped mobile platform (5), the L-shaped mobile platform (5) is connected to the top of a rack (1) in a bilateral symmetry sliding mode, a first sliding groove (6) is formed in the position, corresponding to the L-shaped mobile platform (5), of the top of the rack (1), the L-shaped mobile platform (5) moves left and right along the first sliding groove (6), a lower fastening base (7) is fixedly connected to the top of the bottom end of the L-shaped mobile platform (5), the rear end of the lower fastening base (7) is rotatably connected with an upper fastening base (8), fastening screws (9) are connected to the front ends of the upper fastening base (8) and the lower fastening base (7) through common threads, a compacting plate (10) is fixedly connected to the outer side of the upper fastening base (8), first reset springs (11) which are symmetrically distributed front and back are fixedly connected to the bottom of the compacting plate (10), and compacting sliders (12) are fixedly connected to the bottoms of the two, the high-end top fixedly connected with of L type mobile station (5) front and back symmetric distribution's first connecting seat (13), first connecting seat (13) outside fixedly connected with spliced pole (14), spliced pole (14) outer end is equipped with the fillet, first connecting seat (13) are opened has recess (15) of placing steel wire in the temperature sensing cable, compacting plate (10) bottom and first connecting seat (13) top contact each other, frame (1) top is rotated and is connected with rotation axis (16) all symmetric distribution all around, two rotation axis (16) surface all fixedly connected with tensioning cam (17), tensioning cam (17) is rotated and is connected at frame (1) top, two tensioning cam (17) are located L type mobile station (5) upper and lower outside, rotation axis (16) surface fixed connection tensioning gear (18), tensioning gear (18) are located tensioning cam (17) top, the inner side of the first moving table (2) is fixedly connected with tensioning racks (19) which are symmetrically distributed front and back, the tensioning racks (19) are meshed with tensioning gears (18), the tensioning gears (18) are located on the outer sides of the tensioning racks (19), the outer side of the L-shaped moving table (5) is fixedly connected with a tensioning plate (20), the outer side of the tensioning plate (20) is contacted with the tensioning gears (18), the tensioning plate (20) is contacted with the top of the rack (1), the outer side of the tensioning plate (20) is fixedly connected with a second return spring (21), the second return spring (21) is compressed at the moment, the other end of the second return spring (21) is fixedly connected with a spring base (22), and the spring base (22) is fixedly connected to the top of the rack (1);
the heating bin closing mechanism comprises two heating bins (23), the heating bins (23) are symmetrically distributed in the front and back direction, second sliding chutes (24) which are symmetrically distributed in the left and right direction are formed in the positions, corresponding to the heating bins (23), of the top of the rack (1), the heating bins (23) move back and forth along the second sliding chutes (24), circular arc sliding chutes (25) which are symmetrically distributed in the front and back direction and the left and right direction are formed in the top of the rack (1), the circular arc sliding chutes (25) are located on the outer side of the heating bins (23), second sliding blocks (26) are connected to the inner wall of the circular arc sliding chutes (25) in a rolling mode, the second sliding blocks (26) do circular arc movement along the circular arc sliding chutes (25), rotating connecting rods (27) are rotatably connected to the surfaces of the second sliding blocks (26), rotating bases (28) which are symmetrically distributed in the up and down direction are rotatably connected to the other ends, the surface of the second sliding block (26) is rotatably connected with a third sliding block (29), the third sliding block (29) is positioned at the top of the rotating connecting rod (27), a third sliding groove (30) is formed in the heating bin (23) corresponding to the third sliding block (29), and the third sliding block (29) slides left and right along the third sliding groove (30).
2. The high accuracy temperature-sensitive cable detecting apparatus according to claim 1, wherein: a first cavity (31) is formed in the tensioning plate (20), a tensioning and stabilizing mechanism is connected to the first cavity (31) in a sliding manner, the tensioning and stabilizing mechanism comprises a third return spring (32), the third return spring (32) is fixedly connected to the rear end of the first cavity (31), the front end of the third return spring (32) is fixedly connected with a supporting sliding plate (33), the side surface of the supporting sliding plate (33) is fixedly connected with an elastic telescopic rod (35), the end part of the elastic telescopic rod is fixedly connected with a roller seat (34), the roller seat (34) is rotationally connected with a small roller (36), the surface of the small roller (36) is contacted with the inner wall (31) of the first cavity, the front end of the supporting sliding plate (33) is fixedly connected with a first friction plate (37), the top of the frame (1) is fixedly connected with a second friction plate (38), and the second friction plate (38) is positioned at the front end of the first friction plate (37).
3. The high-precision temperature-sensitive cable detection device according to claim 2, wherein: the right end of the rear side of the first friction plate (37) is fixedly connected with a tensioning inclined block (39), and the tensioning inclined block (39) is located on the outer side of the tensioning gear (18).
4. The high accuracy temperature-sensitive cable detecting apparatus according to claim 1, wherein: the detection mechanism comprises a second connecting seat (40), the second connecting seat (40) is fixedly connected to the top of the first mobile station (2), the second connecting seat (40) is symmetrically distributed at the front and back and corresponds to the first connecting seat (13), a butt joint port (41) is formed in the connecting column (14) corresponding to the second connecting seat (40), the inner side of the second connecting seat (40) is fixedly connected with a butt joint mechanism facilitating butt joint of the connecting column (14), a first electric lamp (42) is fixedly connected to the top of the first mobile station (2) at the right side, the first electric lamp (42) is positioned on the outer side of the second connecting seat (40), two second connecting seats (40) at the right side are connected with the first electric lamp (42) through electric wires, a detection power source (43) is fixedly connected to the top of the first mobile station (2) at the left side, and the detection power source (43) is positioned on the outer side of the, the top of the first mobile station (2) is fixedly connected with a second electric lamp (44), the second electric lamp (44) is located at the front end of a detection power supply (43), the second connecting seat (40) at the rear end of the left side is connected with the detection power supply (43) through an electric wire, the second connecting seat (40) at the front end of the left side is connected with the second electric lamp (44) through an electric wire, and the detection power supply (43) is connected with the second electric lamp (44) through an electric wire.
5. The high accuracy temperature-sensitive cable detecting apparatus according to claim 4, wherein: docking mechanism includes support ring (45), fifth reset spring (46) that support ring (45) inner wall fixedly connected with uniform circumference distributes, fifth reset spring (46) bottom fixedly connected with circular arc board (47), circular arc board (47) lean out certain angle, the first spacing ring (48) of support ring (45) inner wall fixedly connected with, first spacing ring (48) are located circular arc board (47) the outside, second connecting seat (40) outside fixedly connected with second spacing ring (49), second spacing ring (49) are located circular arc board (47) the outside.
6. The high accuracy temperature-sensitive cable detecting apparatus according to claim 1, wherein: the power mechanism comprises a motor (50), the motor (50) is fixedly connected to the right end of the top of the rack (1), the output end of the motor (50) is fixedly connected with a speed reducer (51), the speed reducer (51) is fixedly connected to the top of the rack (1), and the output end of the speed reducer (51) is fixedly connected with the right end of the double-end screw rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011251706.7A CN112462171A (en) | 2020-11-11 | 2020-11-11 | High-precision temperature-sensing cable detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011251706.7A CN112462171A (en) | 2020-11-11 | 2020-11-11 | High-precision temperature-sensing cable detection equipment |
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| Publication Number | Publication Date |
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| CN112462171A true CN112462171A (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011251706.7A Withdrawn CN112462171A (en) | 2020-11-11 | 2020-11-11 | High-precision temperature-sensing cable detection equipment |
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| CN (1) | CN112462171A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032348A (en) * | 2022-08-09 | 2022-09-09 | 国网甘肃省电力公司营销服务中心 | High-altitude all-directional detection equipment for power equipment |
| CN116859171A (en) * | 2023-09-04 | 2023-10-10 | 广东电网有限责任公司东莞供电局 | Temperature-controllable test device for cable monitoring |
-
2020
- 2020-11-11 CN CN202011251706.7A patent/CN112462171A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032348A (en) * | 2022-08-09 | 2022-09-09 | 国网甘肃省电力公司营销服务中心 | High-altitude all-directional detection equipment for power equipment |
| CN115032348B (en) * | 2022-08-09 | 2022-11-04 | 国网甘肃省电力公司营销服务中心 | All-round check out test set in power equipment high altitude |
| CN116859171A (en) * | 2023-09-04 | 2023-10-10 | 广东电网有限责任公司东莞供电局 | Temperature-controllable test device for cable monitoring |
| CN116859171B (en) * | 2023-09-04 | 2024-01-05 | 广东电网有限责任公司东莞供电局 | Temperature-controllable test device for cable monitoring |
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Application publication date: 20210309 |