CN104458434A - Service life test device of car connecting wire - Google Patents
Service life test device of car connecting wire Download PDFInfo
- Publication number
- CN104458434A CN104458434A CN201410804669.6A CN201410804669A CN104458434A CN 104458434 A CN104458434 A CN 104458434A CN 201410804669 A CN201410804669 A CN 201410804669A CN 104458434 A CN104458434 A CN 104458434A
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- service life
- connecting line
- equipment
- automobile connecting
- testing service
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Abstract
The invention provides a service life test device of a car connecting wire. The service life test device comprises two stretching detection devices which are used for respectively fixing two ends of a to-be-tested car connecting wire, each stretching detection device comprises a wire box, an insertion part, a slide mechanism and a PLC acquisition unit; the insertion parts are respectively fixed on the wire box, the insertion parts are respectively provided with an insertion hole which is used for each core wire in the car connecting wire to insert, and each insertion hole is connected with the PLC acquisition unit through a conducting wire; the slide mechanism is fixedly connected with the wire box, so that the wire box slides along the horizontal direction. When the service life test device of the car connecting wire is in test, and when a malfunction occurs, the malfunctioned core wire can be rapidly judged, and a purpose of intelligent judgment can be achieved.
Description
Technical field
The present invention relates to automobile product measuring technology, particularly relate to a kind of equipment for testing service life of automobile connecting line.
Background technology
Automobile connecting line equipment for testing service life needs to meet GB T 5054.4/ISO4141-4 standard-required, can be used for the bending resistance folding endurance of simulated automotive connecting line when various different running status, stretch-resistance and torsion situation etc.
Following problem is there is in existing connecting line testing apparatus when testing connecting line:
One, after connecting line is connected by series system, accurately cannot identify which root insulation core wire goes wrong, thus cause improving fast and proposing counter-measure.
Two, the conductor when connecting line inside starts to engender breakdown, connecting line is also when simulated automotive is turned, electric current starts the variation by overbending direction, electric current also there will be the interrupted or instantaneous range of decrease or variation thereupon, when there is this kind of situation, testing apparatus cannot identify automatically, makes the action of stopping and occurring corresponding prompting.
Three, cannot in same testing apparatus the various different running status of simulated automotive, such as, soon or stretching, different angles turning, different angles torsion etc. at a slow speed.
Summary of the invention
Technical matters to be solved by this invention is the equipment for testing service life providing a kind of automobile connecting line, be intended to solve existing equipment for testing service life in the automobile connecting line test carrying out split conductor, can not judge specifically which root heart yearn goes wrong when a failure occurs.
The present invention realizes like this, a kind of equipment for testing service life of automobile connecting line, comprise two stretching pick-up units for fixing automobile connecting line two ends to be tested respectively, described stretching pick-up unit comprises line box, plug component and slide mechanism, described plug component is fixed on described line box, and described stretching pick-up unit also comprises PLC collecting unit; Described plug component is provided with some plug wire holes accessed respectively for each the root heart yearn in automobile connecting line, each plug wire hole is connected with described PLC collecting unit respectively by wire; Described slide mechanism is fixedly connected with described line box, and described line box is slided in the horizontal direction.
Further, described slide mechanism comprises guide rail, sliding seat, screw mandrel, feed screw nut and the first motor; Described first motor is connected with described screw rod transmission; Described screw mandrel is connected with described sliding seat by described feed screw nut, and described line box is fixed on described sliding seat, and described sliding seat is fixed on described guide rail slidably.
Further, described equipment for testing service life also comprises for making described automobile connecting line become curved bending mechanism, and described bending mechanism is placed on described stretching pick-up unit.
Further, described bending mechanism comprises the second motor, rotating shaft, bearing and holder, described rotating shaft is arranged in described line box, its one end is rotatably mounted on described holder by described bearing, its other end is connected with described second motor-driven, and described line box can rotate together with described rotating shaft is centered by the axis of described rotating shaft.
Further, described bending mechanism also comprises for the fixing device switch of described rotating shaft and the outlet box for drawing wire, and described device switch is fixed on described holder, and its part is placed in described outlet box; Described outlet box is fixedly arranged on described holder.
Further, the described equipment for testing service life positioning lock also comprised for being fixed by stretching pick-up unit grips and region grating, and described positioning and locking folder is fixed on the side of described stretching pick-up unit; Described region grating is placed on equipment for testing service life, reports to the police, and send stopping test signal for detecting foreign body close to producing during described equipment for testing service life.
Further, described equipment for testing service life also comprise for make automobile connecting line twist distortion twist mechanism.
Further, described twist mechanism comprise the 3rd motor, driving member, for identifying the sensor of the angle of described 3rd electric machine rotation, terminal box and wire clamp, described 3rd motor is in transmission connection by described sensor and described driving member, described driving member and described terminal box are in transmission connection, and drive described terminal box to rotate along its axis direction; Described wire clamp is fixed on the side of described terminal box, and described automobile connecting line is fixed on described wire clamp through described terminal box.
Further, described twist mechanism also comprises protective cover, and described protective cover covers in described terminal box.
Further, comprise relay coil in described PLC collecting unit and exceed the potentiometer of predetermined value for monitoring electric signal, described relay coil is electrically connected with described plug component.
Compared with prior art, beneficial effect is in the present invention: the equipment for testing service life of described automobile connecting line adopts has the plug component of some plug wire holes to fix on online box, and each plug wire hole is all connected with PLC collecting unit by wire; Make automobile connecting line when accessing plug component, each root heart yearn in it can a corresponding plug wire hole, when a certain heart yearn breaks down, the electric signal of corresponding heart yearn will change on PLC collecting unit, can judge rapidly which root heart yearn concrete goes wrong, thus reach the object of intelligent decision.
Accompanying drawing explanation
Fig. 1 is the perspective view of the equipment for testing service life of automobile connecting line of the present invention;
Fig. 2 is the front elevational schematic of pick-up unit and bending mechanism of stretching in Fig. 1;
Fig. 3 is the schematic side view of pick-up unit and bending mechanism of stretching in Fig. 2;
Fig. 4 is the structural representation of plug component in Fig. 2;
Fig. 5 is the decomposing schematic representation of Fig. 4;
Fig. 6 is the schematic diagram of twist mechanism in Fig. 1;
Fig. 7 a is the circuit relationships schematic diagram of potentiometer in PLC collecting unit;
Fig. 7 b is V in PLC collecting unit
rEFlevel output switching activity schematic diagram when pin electric signal declines.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Shown in composition graphs 1 to Fig. 5, be the present invention one preferred embodiment, a kind of equipment for testing service life of automobile connecting line, comprises two stretching pick-up units 10, and stretching pick-up unit 10 comprises line box 101, plug component 102, slide mechanism and PLC collecting unit.The two ends of automobile connecting line to be tested are fixedly connected on two stretching pick-up units 10 respectively.The number of plug component 102 can be at least one or more, it all fixes on online box 101, plug component 102 is provided with some plug wire holes (not marking in the drawings) accessed respectively for each the root heart yearn in automobile connecting line, each plug wire hole is connected with PLC collecting unit respectively by wire.Concrete, each plug wire hole is all connected with corresponding contact pin 1021, and then each root contact pin 1021 is connected with PLC collecting unit by wire again.When the two ends of automobile connecting line to be tested are inserted into the plug component 102 being positioned at two stretching pick-up units 10 respectively, each the root heart yearn in automobile connecting line accesses in a plug wire hole respectively.Slide mechanism is fixedly connected with line box 101, and line box 101 is slided in the horizontal direction, thus can reach the object of the automobile connecting line needing test that stretches.
Slide mechanism comprises guide rail 1031, sliding seat 1035, screw mandrel (not marking in the drawings), feed screw nut 1032, first reductor 1033 and the first motor 1034.First motor 1034 is connected with screw rod transmission by the first reductor 1033.First reductor 1033 plays coupling rotating speed and transmitting torque between the first motor 1034 and screw mandrel, preferably, first motor 1034 can be servomotor, first reductor 1033 can be gear reduction unit, by the power of the first motor 1034 being input to pinion wheel one end of the first reductor 1033, then driving gear wheel by pinion wheel thus reaching the object of deceleration.Screw mandrel is connected with sliding seat 1035 by feed screw nut 1032, and line box 101 is fixed on sliding seat 1035, and sliding seat 1035 is fixed on guide rail 1031 slidably.When sliding seat 1035 slides along guide rail 1031, drive the line box 101 be fixed on sliding seat 1035 to move, the automobile connecting line on the online box 101 of connection is stretched.Line box 101 can also be arranged the installing plate 104 for covering line box 101, plug component 102 is fixed on online box 101 through installing plate 104.
As shown in Figure 2, equipment for testing service life also comprises the bending mechanism for making automobile connecting line become curved, and bending mechanism is placed on stretching pick-up unit 10, for the bending angle that testing automobile connecting line can bear in operational process.
Bending mechanism comprise the second motor (not marking in the drawings), rotating shaft 205, bearing 201, holder 202, for the device switch 203 of fixed rotating shaft 205 and the outlet box 204 for drawing wire.Rotating shaft 205 is arranged in line box 101, and one end of rotating shaft 205 is rotatably mounted on holder 202 by bearing 201, and its other end is connected with the second motor-driven, and line box 101 can rotate together with rotating shaft 205 is centered by the axis of rotating shaft 205.Device switch 203 is fixed on holder 202, and part is placed in outlet box 204.Outlet box 204 is fixedly arranged on holder 202.In a particular application, stretching pick-up unit 10 and bending mechanism can share a motor and drive, to reduce the cost of manufacture of equipment for testing service life.
Carry out bending and stretch function test time, the two ends of the automobile connecting line needing test are connected in the plug component 102 of two stretching pick-up units 10, when automobile connecting line access plug component 102, the all corresponding plug wire hole of each root heart yearn in automobile connecting line, each plug wire hole is all connected with PLC collecting unit by wire, i.e. all corresponding signal end connecting PLC collecting unit of each root heart yearn of automobile connecting line.First motor 1034 drives screw rod transmission by the first reductor 1033, thus drives the sliding seat 1035 be connected with screw mandrel to slide along guide rail 1031 direction, and then the automobile connecting line be connected on plug component 102 is stretched along guide rail 1031 direction.By controlling the rotation precision positioning of the first motor 1034, reach the object of stretching automobile connecting line back and forth, the maximum tension distance of this equipment for testing service life can reach 6 meters.Second motor drives rotating shaft 205 to rotate by a reductor, thus make rotating shaft 205 be with moving-wire box 101 to rotate together, the angle rotated calculates according to the ratio of stepping angle and reductor, can reach by exporting suitable frequency pulse the change controlling bending angle, bending test can make automobile connecting line rotate in the scope of ± 90 degree.
As shown in Figure 6, equipment for testing service life also comprise for make automobile connecting line twist distortion twist mechanism 300.Twist mechanism 300 comprise the 3rd motor 301, the 3rd reductor 302, for identifying the sensor 303 of angle, terminal box 304, wire clamp 305, protective cover 306 and driving member 307 that the 3rd motor 301 rotates.3rd motor 301 is in transmission connection with sensor 303 by the 3rd reductor 302, and sensor 303 is in transmission connection by driving member 307 and terminal box 304, drives terminal box 304 to rotate along its axis direction.Wire clamp 305 is fixed on the side of terminal box 304, and automobile connecting line is fixed on wire clamp 305 through terminal box 304.Preferably, the distance between terminal box 304 and wire clamp 305 is 25mm.Protective cover 306 covers in terminal box 304.
When carrying out torsion test to automobile connecting line, on the plug component 102 of the online box 101 of one end grafting of automobile connecting line, the other end is fixed on wire clamp 305 through terminal box 304.3rd motor 301 is in transmission connection with sensor 303 by the 3rd reductor 302, and sensor 303 drives terminal box 304 to rotate by driving member 307, thus reaches the object reversing automobile connecting line.Sensor 303, for identifying the angle that terminal box 304 rotates in rotation process, and by the angle feed-back that recognizes to PLC collecting unit, thus accurately can control the angle that rotates.
The above-mentioned equipment for testing service life positioning lock that can also comprise for being fixed by stretching pick-up unit 10 grips 107 and region grating 108.Positioning lock grips the side that 107 are fixed on stretching pick-up unit 10, locks after stretching pick-up unit 10 is stretched to certain position, then carries out bending by bending mechanism to automobile connecting line and tests.Region grating 108 is placed on equipment for testing service life, produces and reports to the police, and send stopping test signal during for detecting the hazardous location of foreign body close to equipment for testing service life.Namely in test process, as there is personnel or other object proximity equipment in risk range, equipment for testing service life can automatically stop and reporting to the police.
Comprise relay coil in PLC collecting unit and exceed the potentiometer of predetermined value for monitoring electric signal, relay coil is electrically connected with plug component 102.By the intelligences combination mode of relay coil, gating or separating sample load current can be switched, thus reach multiple heart yearn and all can test at same equipment for testing service life.As shown in Figure 7a, in test process, the electric signal sampling end of the automobile connecting line of test is needed to be connected to the V of PLC collecting unit
iend, presetting potential device is connected to the V of PLC collecting unit simultaneously
rEFend, V
rEFthe level adjustment of end is less than 1A place to normal electrical signal amplitude.V is less than when normal electrical signal drops to
rEFduring the signal held, level output switching activity, as shown in Figure 7b, PLC collecting unit carries out gathering laggard line time and calculates, and does not process, shut down and report to the police when the time calculated is greater than 10 milliseconds when the time calculated is less than 10 milliseconds.
The equipment for testing service life of automobile connecting line of the present invention adopts the plug component 102 with some plug wire holes to fix on online box 101, and each plug wire hole is all connected with PLC collecting unit by wire, when automobile connecting line access plug component 102, each root heart yearn in it can a corresponding wiring hole, when a certain heart yearn broken string, bad or fault, the electric signal of corresponding heart yearn changes in PLC collecting unit, can judge rapidly which root heart yearn concrete goes wrong, thus reach the object of intelligent decision.This equipment for testing service life can test many different automobile connecting lines simultaneously, such as 4 cores, 5 cores, 7 cores, 12 cores, 13 cores, 15 cores etc.
The equipment for testing service life of this automobile connecting line effectively can check out the quality of connecting line, thus avoids using bad wire rod, finally causes automobile operationally to occur security incident; The serviceable life of this connecting line can accurately be understood, make prevention in advance or make corresponding improvement; The detectability of connecting line industry production quality can be solved easily and effectively; Test function can meet the testing requirement in GB T 5054.4/ISO4141-4 standard completely simultaneously.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the equipment for testing service life of an automobile connecting line, comprise two stretching pick-up units for fixing automobile connecting line two ends to be tested respectively, described stretching pick-up unit comprises line box, plug component and slide mechanism, described plug component is fixed on described line box, it is characterized in that, described stretching pick-up unit also comprises PLC collecting unit; Described plug component is provided with some plug wire holes accessed respectively for each the root heart yearn in automobile connecting line, each plug wire hole is connected with described PLC collecting unit respectively by wire; Described slide mechanism is fixedly connected with described line box, and described line box is slided in the horizontal direction.
2. the equipment for testing service life of automobile connecting line according to claim 1, is characterized in that, described slide mechanism comprises guide rail, sliding seat, screw mandrel, feed screw nut and the first motor; Described first motor is connected with described screw rod transmission; Described screw mandrel is connected with described sliding seat by described feed screw nut, and described line box is fixed on described sliding seat, and described sliding seat is fixed on described guide rail slidably.
3. the equipment for testing service life of automobile connecting line according to claim 1 and 2, is characterized in that, described equipment for testing service life also comprises for making described automobile connecting line become curved bending mechanism, and described bending mechanism is placed on described stretching pick-up unit.
4. the equipment for testing service life of automobile connecting line according to claim 3, it is characterized in that, described bending mechanism comprises the second motor, rotating shaft, bearing and holder, described rotating shaft is arranged in described line box, its one end is rotatably mounted on described holder by described bearing, its other end is connected with described second motor-driven, and described line box can rotate together with described rotating shaft is centered by the axis of described rotating shaft.
5. the equipment for testing service life of automobile connecting line according to claim 4, it is characterized in that, described bending mechanism also comprises for the fixing device switch of described rotating shaft and the outlet box for drawing wire, described device switch is fixed on described holder, and its part is placed in described outlet box; Described outlet box is fixedly arranged on described holder.
6. the equipment for testing service life of automobile connecting line according to claim 1, it is characterized in that, the described equipment for testing service life positioning lock also comprised for being fixed by stretching pick-up unit grips and region grating, and described positioning and locking folder is fixed on the side of described stretching pick-up unit; Described region grating is placed on equipment for testing service life, reports to the police, and send stopping test signal for detecting foreign body close to producing during described equipment for testing service life.
7. the equipment for testing service life of the automobile connecting line according to claim 1,2,4,5 or 6, is characterized in that, described equipment for testing service life also comprise for make automobile connecting line twist distortion twist mechanism.
8. the equipment for testing service life of automobile connecting line according to claim 7, it is characterized in that, described twist mechanism comprise the 3rd motor, driving member, for identifying the sensor of the angle of described 3rd electric machine rotation, terminal box and wire clamp, described 3rd motor is in transmission connection by described sensor and described driving member, described driving member and described terminal box are in transmission connection, and drive described terminal box to rotate along its axis direction; Described wire clamp is fixed on the side of described terminal box, and described automobile connecting line is fixed on described wire clamp through described terminal box.
9. the equipment for testing service life of automobile connecting line according to claim 8, is characterized in that, described twist mechanism also comprises protective cover, and described protective cover covers in described terminal box.
10. the equipment for testing service life of automobile connecting line according to claim 1, it is characterized in that, comprise relay coil in described PLC collecting unit and exceed the potentiometer of predetermined value for monitoring electric signal, described relay coil is electrically connected with described plug component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804669.6A CN104458434B (en) | 2014-12-19 | 2014-12-19 | Service life test device of car connecting wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804669.6A CN104458434B (en) | 2014-12-19 | 2014-12-19 | Service life test device of car connecting wire |
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| CN104458434A true CN104458434A (en) | 2015-03-25 |
| CN104458434B CN104458434B (en) | 2017-02-01 |
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| CN201410804669.6A Active CN104458434B (en) | 2014-12-19 | 2014-12-19 | Service life test device of car connecting wire |
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| CN109060354A (en) * | 2018-07-18 | 2018-12-21 | 浙江创格科技有限公司 | A kind of strength testing device of engine wiring harness |
| CN113188910A (en) * | 2021-05-14 | 2021-07-30 | 江西华尔达线缆股份有限公司 | Be used for tensile detection device of enameled wire |
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| CN107978956A (en) * | 2017-12-28 | 2018-05-01 | 厦门广成实业有限公司 | A kind of harness assembling inducing device and its control method |
| CN109060354A (en) * | 2018-07-18 | 2018-12-21 | 浙江创格科技有限公司 | A kind of strength testing device of engine wiring harness |
| CN113188910A (en) * | 2021-05-14 | 2021-07-30 | 江西华尔达线缆股份有限公司 | Be used for tensile detection device of enameled wire |
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