CN204536449U - A kind of low-voltage current mutual inductor comprehensive test device - Google Patents
A kind of low-voltage current mutual inductor comprehensive test device Download PDFInfo
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- CN204536449U CN204536449U CN201520141472.9U CN201520141472U CN204536449U CN 204536449 U CN204536449 U CN 204536449U CN 201520141472 U CN201520141472 U CN 201520141472U CN 204536449 U CN204536449 U CN 204536449U
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000012937 correction Methods 0.000 claims abstract description 56
- 238000012795 verification Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 48
- 229910052802 copper Inorganic materials 0.000 claims description 48
- 239000010949 copper Substances 0.000 claims description 48
- 230000005611 electricity Effects 0.000 claims description 47
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 238000004080 punching Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 210000000078 claw Anatomy 0.000 description 16
- 238000009413 insulation Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000002788 crimping Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The utility model discloses a kind of low-voltage current mutual inductor comprehensive test device, comprise verification test platform, detection platform is provided with conveying device, bar code scanner, correction locating device and integrated automatic connection and ripping device is provided with successively along conveying device direction of motion above conveying device, after mutual inductor is transported to calibrating station has examined and determine, return through former route, by manually descending material boxing; Correction locating device comprises correction pushing component and correction location clamp assembly; Correction pushing component comprises fixed dam, fixed dam is provided with multiple promotion cylinder, and each promotion air cylinder driven shifting board, and between shifting board and fixed dam, is provided with the axis of guide leads; Correction location clamp assembly comprises the guide rail be arranged in detection platform, and guide rail and current transformer direction of motion are perpendicular, and guide rail are provided with the electric cylinder that can move back and forth along it, electric cylinder is provided with correction gas pawl, and correction gas pawl drives gas pawl to clamp mutual inductor.
Description
Technical field
The utility model discloses a kind of low-voltage current mutual inductor comprehensive test device.
Background technology
Domestic transformer calibrating device has developed more ripe in practical operation, as many calibratings, computer management, automatic data processing aspect etc.Current Guo Wang company each provincial measurement centre is basic configuration low-voltage current mutual inductor calibrating streamline, but the sampling observation of most of mutual inductor or the work of rechecking still are completed by artificial visiting platform or manual mutual-inductor calibration device.Due to mutual inductor once holding, must by manually having come in secondary terminals wiring, especially punching mutual inductor secondary connection and busbar formula mutual inductor are once, secondary connection wastes the much time in the verification process of mutual inductor, make mutual inductor be difficult to be risen further in day verification amount, only have and just can be achieved the goal by increase calibration equipment, manpower, place.New equipment is adopted to improve the standardization of transducer check further, the common aspiration of automaticity, raise labour productivity Shi Ge ct calibrating mechanism and mutual inductor manufacturer.
In addition, due to the production technology of each manufacturer of mutual inductor and the difference of quality control capability, certain deviation is had, as physical dimension, secondary screw position, base center and main center's relative size etc. between the partial mutual inductance device size that actual production goes out and the size of prescribed by standard.Particularly when current transformer body symcenter face and base end face out of plumb, mutual inductor there will be crooked phenomenon, and the mutual inductor that deviation is larger there will be secondary and crimps unsuccessful situation when carrying out automatic calibration.Therefore, be necessary when mutual inductor automation calibrating to mutual inductor attitude rectify, the consistance that mutual inductor secondary crimps can be ensured.
Utility model content
In order to solve the technical matters existed in prior art, the utility model discloses a kind of low-voltage current mutual inductor comprehensive test device and method of testing; This apparatus design correction locating device, the mutual inductor of compatible different size specification, achieve automatically connecing of ct calibrating to take out stitches, mutual inductor interstar connection success ratio can be made to reach 100%, and device integration degree is higher, function is complete, greatly reduces floor area, can measure the current transformer of specified standard size in Q/GDW572-2010 " metering low-voltage current mutual inductor technical manual ", measurement range is 75A ~ 1500A low-voltage current mutual inductor.
The technical solution adopted in the utility model is as follows:
A kind of low-voltage current mutual inductor comprehensive test device, comprise verification test platform, described verification test platform is provided with the conveying device for carrying current transformer, the bar code scanner be fixed on verification test platform, correction locating device and integrated automatic connection and ripping device is provided with successively along conveying device direction of motion above conveying device, after mutual inductor is transported to calibrating station has examined and determine, return through former route, by manually descending material boxing;
Described bar code scanner is existing device, does not carry out expansion in detail describe at this.
Described conveying device is belt conveyor, described belt conveyor is provided with double structure mutual inductor frock pallet, operationally, current transformer is arranged on double structure mutual inductor frock pallet, and double structure mutual inductor frock pallet moves back and forth on belt conveyor.
Described correction locating device comprises the correction pushing component and correction location clamp assembly that are arranged on conveying device both sides; Described correction pushing component comprises the fixed dam be fixed on verification test platform, and fixed dam is provided with promotion cylinder, and promotes air cylinder driven shifting board, and between shifting board and fixed dam, is provided with the axis of guide leads;
Described correction location clamp assembly comprises the guide rail be arranged on verification test platform, described guide rail and current transformer direction of motion perpendicular, and described guide rail is provided with the crossbeam that an energy moves back and forth along it, the side of described crossbeam is installed an electric cylinder and is driven it to move back and forth along guide rail, opposite side installs a correction gas pawl, correction gas pawl drives many group jaw clamping mutual inductors, and is provided with ball on jaw; Concrete action is as follows:
Correction gas pawl in the clamp assembly of correction location opens, the assemblies such as jaw stretch out under electric cylinder drives, and move to assigned address along guide rail, and correction gas pawl is closed drives jaw clamping mutual inductor, because correction gas grippers has two symmetric motion actuating units, mutual inductor Width centering can be realized; Promotion air cylinder driven is stretched out, promote shifting board and promote mutual inductor along the axis of guide, the mutual inductor interstar connection position of adjustment base irregularity, if mutual inductor irregularity, mutual inductor is subject to thrust and ball slides into regular position mutually, can allow mutual inductor secondary terminals position remain on specialized range ± 0.5 within, be better than the requirement of Q/GDW-573, ensure the consistance of crimping position.
Integrated automatic connection and ripping device, comprises and is arranged on the secondary connection integrating device above conveying device, high/low electric current termination and resistance to compression bonded line; Secondary connection integrating device, high/low electric current termination and resistance to compression bonded line are all fixed on a rectangular frame, and described rectangular frame is fixed on verification test platform;
Described secondary connection integrating device comprises longitudinal secondary electricity cylinder, longitudinally guiding axle, horizontal secondary electricity cylinder, cross slide way, secondary connection assembly, transverse movement plate and crossbeam, the cylinder body of described longitudinal secondary electricity cylinder is arranged on transverse movement plate, the output terminal of longitudinal secondary electricity cylinder control crossbeam along the longitudinal the axis of guide move up and down; The output terminal of described horizontal secondary electricity cylinder controls transverse movement plate and moves back and forth along cross slide way, is provided with the secondary connection assembly comprising 4 connection terminals, can realizes the wiring of error testing and voltage-withstand test respectively in the bottom surface of described crossbeam.
Described high/low electric current termination comprises low current termination, high electric current termination, is pressed device and punching copper bar; The described device that is pressed is arranged on verification table side, and this device simplifies measurement circuit as common terminal in test loop; The described device that is pressed connects a single pole punching copper bar, reduces contact point, prevents the loose contact rate of the many increases of wiring point; Punching copper bar center section is clamped by copper bar lifting gear, and two ends are then crimped clamping device and the clamping of high/low electric current termination respectively.Copper bar lifting gear is vertically mounted on side in rectangular frame, and upper end is two cylinder combinations, realizes mutual inductor motion and dodges and wiring height control, and lower end is clamping gas pawl;
Low current termination, high electric current termination is existing apparatus, is two groups of gentle pawl combined mechanisms of cylinder, and the effect of gas pawl is to provide clamping copper bar acting force, and cylinder action is pushed by gas claw assembly to put in place.
Described resistance to compression bonded line comprises mobile cylinder, withstand voltage connecting cross beam and grounding pin; Described withstand voltage connecting cross beam is arranged on the piston rod of mobile cylinder, under the effect of mobile cylinder, moves back and forth; Withstand voltage connecting cross beam installs grounding pin.
Calibrating station complete insulation measurement, power frequency withstand test and the strength test of Secondary Winding turn-to-turn insulation, magnetic saturation nargin measure and fundamental error measures time, primary connection is without the need to variation, only need resistance to compression bonded line to move air cylinder driven to retract, longitudinal secondary electricity cylinder drives retracts, horizontal secondary electricity cylinder drives transversely guide rail to move, make rear row's connection terminal aim at mutual inductor interstar connection screw, longitudinal secondary electricity cylinder drives and stretches out, and compresses mutual inductor interstar connection termination.
The method utilizing device above to carry out processing is as follows:
Step 1: start comprehensive test device, reset completes, conveying device starts, and double structure mutual inductor frock pallet arrives feeding station, by artificial by mutual inductor accommodating tool pallet;
Step 2: after material loading completes, by material loading conclusion button, pallet is delivered to and is reached bar code scan unit by belt conveyor;
Step 3: whether bar code scan unit light electric switch detects mutual inductor station has mutual inductor, has, scans; Scanning completes, and starts charging;
Step 4: copper bar lifting gear cylinder stretches and puts in place, lower end clamping gas pawl clamping punching copper bar; High/low electric current termination gas claw assembly opens and retreats retraction by air cylinder driven, and 3 groups of mutual inductor frock pallets arrive No. 1-3 calibrating station, and high/low electric current termination gas claw assembly is stretched out by air cylinder driven, moves to specific bit, and gas pawl is closed clamps copper bar; Copper bar lifting gear lower end gas pawl opens, cylinders retract, and No. 1-3 calibrating station frock pallet moves to No. 4-6 calibrating station;
Step 5: copper bar lifting gear cylinder stretches out, after jaw opens and arrives assigned address, gas pawl is closed clamps punching copper bar; High/low electric current termination gas claw assembly opens and retreats retraction by air cylinder driven, and 3 groups of mutual inductor frock pallets arrive No. 1-3 calibrating station, and high/low electric current termination gas claw assembly is stretched out by air cylinder driven, moves to specific bit, and gas pawl is closed clamps copper bar; Charging completes;
Step 6: correction gas pawl drives gas pawl to open, correction location clamp assembly stretches out under electric cylinder drives, and moves to assigned address along guide rail, and correction gas pawl drives gas pawl clamping mutual inductor; Promotion air cylinder driven is stretched out, promote shifting board and promote mutual inductor along the axis of guide, the mutual inductor interstar connection position of adjustment base irregularity, if mutual inductor irregularity, mutual inductor is subject to thrust and ball slides into regular position mutually, allow mutual inductor secondary terminals position remain on specialized range ± 0.5 within;
Step 7: horizontal secondary electricity cylinder drives longitudinal secondary electricity cylinder, crossbeam and secondary connection assembly transversely guide rail movement, arrive assigned address, longitudinal secondary electricity cylinder drives and stretches out, longitudinally guide rail drives front-seat secondary wiring terminals to compress mutual inductor interstar connection screw, in resistance to compression bonded line, mobile cylinder promotes withstand voltage connecting cross beam, and make grounding pin prop up mutual inductor frock pallet, resistance to compression bonded line completes, complete insulation measurement, power frequency withstand test, go to step 8;
Step 8: resistance to compression bonded line moves air cylinder driven and retracts, longitudinal secondary electricity cylinder drives retracts, horizontal secondary electricity cylinder drives longitudinal secondary electricity cylinder, crossbeam and secondary connection assembly transversely guide rail switching position, rear row's secondary wiring terminals is made to aim at mutual inductor interstar connection screw, longitudinal secondary electricity cylinder drives and stretches out, compress mutual inductor interstar connection termination, complete the strength test of Secondary Winding turn-to-turn insulation, magnetic saturation nargin measures and fundamental error is measured; 9 are gone to step after completing test;
Step 9: longitudinal secondary electricity cylinder is retracted, horizontal secondary electricity cylinder is retracted, and has taken out stitches, has gone to step 10;
Step 10: high/low electric current termination gas claw assembly opens and retreats retraction by air cylinder driven, No. 1-3 calibrating station mutual inductor frock pallet exits along belt conveyor;
Step 11: high/low electric current termination gas claw assembly is stretched out by air cylinder driven, moves to specific bit, gas pawl is closed clamps copper bar; Copper bar lifting gear lower end gas pawl opens, cylinders retract, and No. 4-6 calibrating station mutual inductor frock pallet moves to No. 1-3 calibrating station;
Step 12: copper bar lifting gear cylinder stretches out, after jaw opens and arrives assigned address, gas pawl is closed clamps copper bar; High/low electric current termination gas claw assembly opens and retreats retraction by air cylinder driven, and 3 groups of mutual inductor frock pallets exit No. 1-3 calibrating station, and discharging completes;
Step 13: mutual inductor arrives blanking place, artificial blanking;
Step 14: blanking completes, by blanking conclusion button, pallet leaves lower material level; Once test.
The beneficial effects of the utility model are as follows:
By artificial loading after device startup resets, after material loading completes, belt conveyor arrives calibrating station through outward appearance scanning element, being pressed device in this device is common terminal, without the need to switch line, simplify measurement circuit, reduce many easily the causing of wiring point and contact high fraction defective, improve device reliability; Correction locating device adjustment mutual inductor position, correction locating device comprises correction positioning clamping device and correction thrust unit, the mutual inductor of base irregularity can be carried out position adjustment, can allow mutual inductor secondary terminals position remain on rule specialized range ± 0.5 within, be better than the requirement of Q/GDW-573, ensure the consistance of crimping position;
Secondary connection integrating device comprises longitudinal secondary electricity cylinder, longitudinally guiding axle, horizontal secondary electricity cylinder, cross slide way, secondary connection assembly, complete insulation measurement, power frequency withstand test and the strength test of Secondary Winding turn-to-turn insulation, when magnetic saturation nargin is measured and fundamental error measures, primary connection is without the need to variation, only need resistance to compression bonded line to move air cylinder driven to retract, longitudinal secondary electricity cylinder drives retracts, horizontal secondary electricity cylinder drives transversely guide rail to move, make rear row's secondary connection assembly alignment mutual inductor termination, longitudinal secondary electricity cylinder drives and stretches out, compress mutual inductor interstar connection termination.
Accompanying drawing explanation
Fig. 1 is the utility model low-voltage current mutual inductor comprehensive test device stage body axonometric drawing;
Fig. 2 is the main TV structure schematic diagram of Fig. 1;
Fig. 3 is the left TV structure schematic diagram of Fig. 1;
Fig. 4 is the backsight structural representation of Fig. 1;
Fig. 5 is the plan structure schematic diagram of Fig. 1;
Fig. 6 is that Fig. 1 only retains correction positioning device structure schematic diagram;
Fig. 7 is that Fig. 6 rectifies a deviation location clamping modular construction schematic diagram;
Fig. 8 is that Fig. 6 rectifies a deviation pushing component structural representation;
Fig. 9 is that Fig. 1 only retains withstand voltage termination structural representation;
Figure 10 is that Fig. 1 only retains secondary connection integrating device structural representation;
Figure 11 is the structural representation only retaining a set of lifting copper lever apparatus, primary connection assembly in Fig. 1;
Figure 12 retains copper bar and clamp structure schematic diagram in Figure 11;
Figure 13 is detection method process flow diagram.
In figure, verification test platform 1, belt conveyor 2, bar code scan unit 3, correction locating device 4, correction pushing component 4a, fixed dam 4a1, shifting board 4a2, promote cylinder 4a3, axis of guide assembly 4a4, axis of guide 4a4-1, bearing 4a4-2, correction location clamp assembly 4b, correction gas pawl 4b1, electricity cylinder 4b2, guide rail 4b3, jaw 4b4, ball 4b5, crossbeam 4b6, integrated automatic connection and ripping device 5, secondary connection integrating device 5a, longitudinal secondary electricity cylinder 5a1, longitudinally guiding axle 5a2, horizontal secondary electricity cylinder 5a3, cross slide way 5a4, secondary connection assembly 5a5, transverse movement plate 5a6, crossbeam 5a7, high/low electric current termination 5b, copper bar and be pressed device 5b1, be pressed device 5b1-1, punching copper bar 5b1-2, low current termination copper bar wiring 5b2, the high electric current termination 5b3 5c of resistance to compression bonded line, mobile cylinder 5c1, withstand voltage connecting cross beam 5c2, grounding pin assembly 5c3, copper bar lifting gear 6, double structure mutual inductor frock pallet 7.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail:
Verification test platform 1, by manually mutual inductor being placed on double structure mutual inductor frock pallet 7, by belt conveyor 2, through bar code scan unit 3, be transported to automatic connection and ripping device 5, after mutual inductor is transported to calibrating station examined and determine, return through former route, by manually descending material boxing.
Described correction locating device 4 comprises correction pushing component 4a, fixed dam 4a1, shifting board 4a2, promote cylinder 4a3, axis of guide assembly 4a4, axis of guide 4a4-1, bearing 4a4-2, correction location clamp assembly 4b, correction gas pawl 4b1, electric cylinder 4b2, guide rail 4b3, jaw 4b4, ball 4b5, crossbeam 4b6.
Described correction pushing component 4a comprises the fixed dam 4a1 be fixed on verification test platform, fixed dam is provided with and promotes cylinder 4a3, and promote cylinder 4a3 and drive a shifting board 4a2, and between shifting board 4a2 and fixed dam 4a1, be provided with the axis of guide lead; Described correction location clamp assembly 4b comprises the guide rail 4b3 be arranged on verification test platform, described guide rail 4b3 and current transformer direction of motion perpendicular, and described guide rail 4b3 is provided with the crossbeam 4b6 that an energy moves back and forth along it, the side of described crossbeam 4b6 is installed an electric cylinder 4b2 and is driven it to move, opposite side installs a correction gas pawl 4b1, correction gas pawl 4b1 drives many group jaw 4b4 to clamp mutual inductor, and is provided with ball on jaw 4b4; Concrete action is as follows:
Correction gas pawl 4b1 in the clamp assembly 4b of correction location opens, the assemblies such as jaw 4b4 stretch out under electric cylinder 4b2 drives, assigned address is moved to along guide rail 4b3, the closed jaw 4b4 that drives of correction gas pawl 4b1 clamps mutual inductor, because correction gas pawl 4b1 has two symmetric motion actuating units, mutual inductor Width centering can be realized; Promote cylinder 4a3 driving to stretch out, promote shifting board 4a2 and promote mutual inductor along axis of guide 4a4-1, the mutual inductor interstar connection position of adjustment base irregularity, if mutual inductor irregularity, mutual inductor is subject to thrust and ball 4b5 slides into regular position mutually, can allow mutual inductor secondary terminals position remain on specialized range ± 0.5 within, be better than the requirement of Q/GDW-573, ensure the consistance of crimping position.
Integrated automatic connection and ripping device 5, comprises and is arranged on the secondary connection integrating device above conveying device, high/low electric current termination and resistance to compression bonded line; Secondary connection integrating device, high/low electric current termination and resistance to compression bonded line are all fixed on a rectangular frame, and described rectangular frame is fixed on verification test platform;
Described secondary connection integrating device 5a comprises longitudinal secondary electricity cylinder 5a1, longitudinally guiding axle 5a2, horizontal secondary electricity cylinder 5a3, cross slide way 5a4, secondary connection assembly 5a5, transverse movement plate 5a6, crossbeam 5a7, the cylinder body of described longitudinal secondary electricity cylinder is arranged on transverse movement plate, the output terminal of longitudinal secondary electricity cylinder control crossbeam along the longitudinal axis of guide 5a2 move up and down; The output terminal of described horizontal secondary electricity cylinder controls transverse movement plate and moves back and forth along cross slide way, is provided with the secondary connection assembly comprising 4 connection terminals, can realizes the wiring of error testing and voltage-withstand test respectively in the bottom surface of described crossbeam.
Described high/low electric current termination 5b comprises copper bar and is pressed device 5b1, low current termination 5b2, high electric current termination 5b3; Described copper bar and be pressed device 5b1 and comprise and be pressed device 5b1-1, punching copper bar 5b1-2; The described device that is pressed is arranged on verification table side, and this device simplifies measurement circuit as common terminal in test loop; The described device that is pressed connects a single pole punching copper bar, reduces contact point, prevents the loose contact rate of the many increases of wiring point; Punching copper bar center section is clamped by copper bar lifting gear, and two ends are then crimped clamping device and the clamping of high/low electric current termination respectively.Copper bar lifting gear is vertically mounted on side in rectangular frame, and upper end is two cylinder combinations, realizes mutual inductor motion and dodges and wiring height control, and lower end is clamping gas pawl.
High/low currents termination and low current termination are existing apparatus, are two groups of gentle pawl combined mechanisms of cylinder, and the effect of gas pawl is to provide clamping copper bar acting force, and cylinder action is pushed by gas claw assembly to put in place.
The described 5c of resistance to compression bonded line comprises mobile cylinder 5c1, withstand voltage connecting cross beam 5c2, grounding pin assembly 5c3; Described withstand voltage connecting cross beam is arranged on the piston rod of mobile cylinder 5c1, under the effect of mobile cylinder 5c1, moves back and forth; Withstand voltage connecting cross beam is installed grounding pin assembly 5c3.
Calibrating station complete insulation measurement, power frequency withstand test and the strength test of Secondary Winding turn-to-turn insulation, magnetic saturation nargin measure and fundamental error measures time, primary connection is without the need to variation, only need resistance to compression bonded line to move air cylinder driven to retract, longitudinal secondary electricity cylinder drives retracts, horizontal secondary electricity cylinder drives transversely guide rail to move, make rear row's connection terminal aim at mutual inductor interstar connection screw, longitudinal secondary electricity cylinder drives and stretches out, and compresses mutual inductor interstar connection termination.
With reference to above-mentioned process flow diagram, the following detailed description of described low-voltage current mutual inductor comprehensive test device how automatic Verification low-voltage current mutual inductor, comprise the steps:
Step 1: start comprehensive test device, reset completes, conveying device starts, and double structure mutual inductor frock pallet arrives feeding station, by artificial by mutual inductor accommodating tool pallet;
Step 2: after material loading completes, by material loading conclusion button, pallet is delivered to and is reached bar code scan unit by belt conveyor;
Step 3: whether bar code scan unit light electric switch detects mutual inductor station has mutual inductor, has, scans; Scanning completes, and starts charging;
Step 4: copper bar lifting gear cylinder stretches and puts in place, lower end clamping gas pawl clamping punching copper bar; High/low electric current termination gas claw assembly opens and retreats retraction by air cylinder driven, and 3 groups of mutual inductor frock pallets arrive No. 1-3 calibrating station, and high/low electric current termination gas claw assembly is stretched out by air cylinder driven, moves to specific bit, and gas pawl is closed clamps copper bar; Copper bar lifting gear lower end gas pawl opens, cylinders retract, and No. 1-3 calibrating station frock pallet moves to No. 4-6 calibrating station;
Step 5: copper bar lifting gear cylinder stretches out, after jaw opens and arrives assigned address, gas pawl is closed clamps punching copper bar; High/low electric current termination gas claw assembly opens and retreats retraction by air cylinder driven, and 3 groups of mutual inductor frock pallets arrive No. 1-3 calibrating station, and high/low electric current termination gas claw assembly is stretched out by air cylinder driven, moves to specific bit, and gas pawl is closed clamps copper bar; Charging completes;
Step 6: correction gas pawl drives gas pawl to open, correction location clamp assembly stretches out under electric cylinder drives, and moves to assigned address along guide rail, and correction gas pawl drives gas pawl clamping mutual inductor; Promotion air cylinder driven is stretched out, promote shifting board and promote mutual inductor along the axis of guide, the mutual inductor interstar connection position of adjustment base irregularity, if mutual inductor irregularity, mutual inductor is subject to thrust and ball slides into regular position mutually, allow mutual inductor secondary terminals position remain on specialized range ± 0.5 within;
Step 7: horizontal secondary electricity cylinder drives longitudinal secondary electricity cylinder, crossbeam and secondary connection assembly transversely guide rail movement, arrive assigned address, longitudinal secondary electricity cylinder drives and stretches out, longitudinally guide rail drives front-seat secondary wiring terminals to compress mutual inductor interstar connection screw, in resistance to compression bonded line, mobile cylinder promotes withstand voltage connecting cross beam, and make grounding pin prop up mutual inductor frock pallet, resistance to compression bonded line completes, complete insulation measurement, power frequency withstand test, go to step 8;
Step 8: resistance to compression bonded line moves air cylinder driven and retracts, longitudinal secondary electricity cylinder drives retracts, horizontal secondary electricity cylinder drives longitudinal secondary electricity cylinder, crossbeam and secondary connection assembly transversely guide rail switching position, rear row's secondary wiring terminals is made to aim at mutual inductor interstar connection screw, longitudinal secondary electricity cylinder drives and stretches out, compress mutual inductor interstar connection termination, complete the strength test of Secondary Winding turn-to-turn insulation, magnetic saturation nargin measures and fundamental error is measured; 9 are gone to step after completing test;
Step 9: longitudinal secondary electricity cylinder is retracted, horizontal secondary electricity cylinder is retracted, and has taken out stitches, has gone to step 10;
Step 10: high/low electric current termination gas claw assembly opens and retreats retraction by air cylinder driven, No. 1-3 calibrating station mutual inductor frock pallet exits along belt conveyor;
Step 11: high/low electric current termination gas claw assembly is stretched out by air cylinder driven, moves to specific bit, gas pawl is closed clamps copper bar; Copper bar lifting gear lower end gas pawl opens, cylinders retract, and No. 4-6 calibrating station mutual inductor frock pallet moves to No. 1-3 calibrating station;
Step 12: copper bar lifting gear cylinder stretches out, after jaw opens and arrives assigned address, gas pawl is closed clamps copper bar; High/low electric current termination gas claw assembly opens and retreats retraction by air cylinder driven, and 3 groups of mutual inductor frock pallets exit No. 1-3 calibrating station, and discharging completes;
Step 13: mutual inductor arrives blanking place, artificial blanking;
Step 14: blanking completes, by blanking conclusion button, pallet leaves lower material level.Once test.
Claims (9)
1. a low-voltage current mutual inductor comprehensive test device, it is characterized in that: comprise verification test platform, described verification test platform is provided with the conveying device for carrying current transformer, the bar code scanner be fixed on verification test platform, correction locating device and integrated automatic connection and ripping device is provided with successively along conveying device direction of motion above conveying device, after mutual inductor is transported to calibrating station has examined and determine, return through former route, by manually descending material boxing;
Described correction locating device comprises the correction pushing component and correction location clamp assembly that are arranged on conveying device both sides;
Described correction pushing component comprises the fixed dam be fixed on verification test platform, and fixed dam is provided with promotion cylinder, and promotes air cylinder driven shifting board, and between shifting board and fixed dam, is provided with the axis of guide leads;
Described correction location clamp assembly comprises the guide rail be arranged on verification test platform, described guide rail and current transformer direction of motion perpendicular, and described guide rail is provided with the crossbeam that an energy moves back and forth along it, the side of described crossbeam is installed an electric cylinder and is driven it to move back and forth along guide rail, opposite side installs a correction gas pawl, and correction gas pawl drives many group jaw clamping mutual inductors.
2. low-voltage current mutual inductor comprehensive test device as claimed in claim 1, is characterized in that: on described jaw, be provided with ball.
3. low-voltage current mutual inductor comprehensive test device as claimed in claim 1, it is characterized in that: described conveying device is belt conveyor, described belt conveyor is provided with double structure mutual inductor frock pallet, operationally, current transformer is arranged on double structure mutual inductor frock pallet, and double structure mutual inductor frock pallet moves back and forth on belt conveyor.
4. low-voltage current mutual inductor comprehensive test device as claimed in claim 1, is characterized in that: described integrated automatic connection and ripping device, comprises and be arranged on the secondary connection integrating device above conveying device, high/low electric current termination and resistance to compression bonded line; Secondary connection integrating device, high/low electric current termination and resistance to compression bonded line are all fixed on a rectangular frame, and described rectangular frame is fixed on verification test platform.
5. low-voltage current mutual inductor comprehensive test device as claimed in claim 4, it is characterized in that: described secondary connection integrating device comprises longitudinal secondary electricity cylinder, longitudinally guiding axle, horizontal secondary electricity cylinder, cross slide way, secondary connection assembly, transverse movement plate and crossbeam, the cylinder body of described longitudinal secondary electricity cylinder is arranged on transverse movement plate, the output terminal of longitudinal secondary electricity cylinder control crossbeam along the longitudinal the axis of guide move up and down; The output terminal of described horizontal secondary electricity cylinder controls transverse movement plate and moves back and forth along cross slide way, is provided with the secondary connection assembly comprising 4 connection terminals, realizes the wiring of error testing and voltage-withstand test respectively in the bottom surface of described crossbeam.
6. low-voltage current mutual inductor comprehensive test device as claimed in claim 4, is characterized in that: described high/low electric current termination comprises low current termination, high electric current termination, is pressed device and punching copper bar; The described device that is pressed is arranged on verification test platform side; The described device that is pressed connects a single pole punching copper bar; Punching copper bar center section is clamped by copper bar lifting gear, and two ends are then crimped clamping device and the clamping of high/low electric current termination respectively.
7. low-voltage current mutual inductor comprehensive test device as claimed in claim 6, it is characterized in that: described copper bar lifting gear is vertically mounted on side in rectangular frame, it comprises a two cylinder combination and a clamping gas pawl, upper end is two cylinder combinations, realizes mutual inductor motion and dodges and wiring height control; Lower end is clamping gas pawl, realizes mutual inductor motion and dodges and wiring height control.
8. low-voltage current mutual inductor comprehensive test device as claimed in claim 6, it is characterized in that: described high electric current termination and low current termination comprise two groups of gentle pawls of cylinder respectively separately, described gas pawl provides clamping punching copper bar acting force, and gas pawl pushes and puts in place by described cylinder.
9. low-voltage current mutual inductor comprehensive test device as claimed in claim 4, is characterized in that: described resistance to compression bonded line comprises mobile cylinder, withstand voltage connecting cross beam and grounding pin; Described withstand voltage connecting cross beam is arranged on the piston rod of mobile cylinder, under the effect of mobile cylinder, moves back and forth; Withstand voltage connecting cross beam installs grounding pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141472.9U CN204536449U (en) | 2015-03-12 | 2015-03-12 | A kind of low-voltage current mutual inductor comprehensive test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141472.9U CN204536449U (en) | 2015-03-12 | 2015-03-12 | A kind of low-voltage current mutual inductor comprehensive test device |
Publications (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730383A (en) * | 2015-03-12 | 2015-06-24 | 国家电网公司 | Low-voltage current transformer comprehensive testing device and method |
| CN106052923A (en) * | 2016-05-27 | 2016-10-26 | 国网天津市电力公司 | Measurement system for secondary torsional force of low-voltage current transformer |
| CN110095746A (en) * | 2019-05-27 | 2019-08-06 | 格力电器（武汉）有限公司 | A kind of current transformer output voltage device for quick testing |
| CN113697429A (en) * | 2021-10-08 | 2021-11-26 | 江苏迈盛新材料有限公司 | Current transformer production line and use method thereof |
-
2015
- 2015-03-12 CN CN201520141472.9U patent/CN204536449U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730383A (en) * | 2015-03-12 | 2015-06-24 | 国家电网公司 | Low-voltage current transformer comprehensive testing device and method |
| CN106052923A (en) * | 2016-05-27 | 2016-10-26 | 国网天津市电力公司 | Measurement system for secondary torsional force of low-voltage current transformer |
| CN110095746A (en) * | 2019-05-27 | 2019-08-06 | 格力电器（武汉）有限公司 | A kind of current transformer output voltage device for quick testing |
| CN113697429A (en) * | 2021-10-08 | 2021-11-26 | 江苏迈盛新材料有限公司 | Current transformer production line and use method thereof |
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