CN107894393A - A kind of welded type electrical contact member high-temperature soldering strength testing device and method of testing - Google Patents
A kind of welded type electrical contact member high-temperature soldering strength testing device and method of testing Download PDFInfo
- Publication number
- CN107894393A CN107894393A CN201711200103.2A CN201711200103A CN107894393A CN 107894393 A CN107894393 A CN 107894393A CN 201711200103 A CN201711200103 A CN 201711200103A CN 107894393 A CN107894393 A CN 107894393A
- Authority
- CN
- China
- Prior art keywords
- electrical contact
- contact member
- welded type
- type electrical
- measured
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000005476 soldering Methods 0.000 title claims abstract description 20
- 238000010998 test method Methods 0.000 title abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 239000011159 matrix material Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010008 shearing Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011978 dissolution method Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of welded type electrical contact member high-temperature soldering strength testing device and its method of testing,Its technical scheme includes an erecting bed,The positioning fixture for fixing welded type electrical contact member to be measured is provided with the erecting bed,For heating the heating arrangements of welded type electrical contact member to be measured,For monitoring the temperature measuring element of welded type electrical contact member temperature to be measured,And the force application mechanism for the electric contacting layer of welded type electrical contact member to be measured and matrix to be separated,The force application mechanism includes the Motorized drive unit of an offer power source,The pusher head being connected is detachably fixed with the dynamometer of Motorized drive unit driving sliding and with the dynamometry end of dynamometer,Described pusher head and at least one ejection being fixed in the electric contacting layer or matrix of the welded type electrical contact member to be measured on positioning fixture coordinate,And electric contacting layer and matrix are mutually peeled off.It is an advantage of the invention that welding contact product high-temperature soldering strength test results can be effectively obtained.
Description
Technical field
The invention belongs to material property parameter fields of measurement, in particular to a kind of welded type electrical contact member high-temperature soldering are strong
Spend test device and its method of testing.
Background technology
Contact elements are the kernel components of low-voltage electrical apparatus component, and the failure of contact elements means that appliance component makes
With the termination in life-span.And under normal circumstances, the welding quality especially weld strength of contact elements, largely decide
The service life of contact elements.In order to improve the welding quality of contact assembly in low voltage switch, it is necessary to the welding to contact
Quality is comprehensively detected, and then carries out com-parison and analysis, the various factors for influenceing welding quality is found out, further to improve
Welding method is improved, adjusts welding parameter, until obtaining satisfied welding quality.
Whether the method for detection contact welding quality has a lot, contact solder side is damaged and can be divided into brokenly as when detecting
Bad property detects and two kinds of non-damaged data, and destructive detection method can be divided into shearing method, fusion method, dissolution method and metallographic method again
Deng nondestructive test is divided into appearance test, ultrasound examination and X-ray detection.Wherein shearing method is current domestic most low
The more commonly used contact elements weld strength detection method of piezoelectricity device manufacturing enterprise.
But according to more core low-voltage electrical apparatus manufacturing enterprise feedbacks of recent year, routinely measuring means detection is qualified
Contact elements（Such as to the detection of product shearing force allowable and ratio of brazing area）It is being assembled into contactor or breaker finished product and is being in
When in the energization course of work, contact elements are acted on by the percussion of electric current or in breaking course by arc erosion
Under often temperature raise, and in high temperature environments contact elements welding position skew occurs often in addition come off it is serious not
Good phenomenon, cause the products such as contactor, breaker can not normally and fail.
Therefore, in order to strengthen the service life of contact elements, urgent need is entered to contact elements welding position intensity at high temperature
Row Improvement.And the weld strength that welded type electrical contact member can bear under high temperature action how is effectively obtained, with
This welds the weld strength that can be born during contact product work to assess, and this is that current art personnel are badly in need of asking for solution
Topic.
The content of the invention
First purpose of the present invention is to provide a kind of welded type electrical contact member high-temperature soldering strength testing device, passes through
The device can effectively obtain welding contact product high-temperature soldering strength test results.
It is a further object to provide a kind of welded type electrical contact member high temperature weldering based on above-mentioned test device
Connect the method for testing of intensity.
To realize first purpose of the present invention, the technical scheme is that including an erecting bed, on the erecting bed
Be provided with for fix welded type electrical contact member to be measured positioning fixture, for heat welded type electrical contact member to be measured plus
Heat engine structure, the temperature measuring element for monitoring welded type electrical contact member temperature to be measured and for by welded type electrical contact member to be measured
Electric contacting layer and the force application mechanism that is separated of matrix, the force application mechanism includes the power drive list of an offer power source
Member, drive the dynamometer of sliding with Motorized drive unit and be detachably fixed the pusher head being connected, institute with the dynamometry end of dynamometer
The pusher head stated and be fixed in the electric contacting layer or matrix of the welded type electrical contact member to be measured on positioning fixture at least one
Individual ejection coordinates, and electric contacting layer and matrix are mutually peeled off.
The Motorized drive unit includes motor, screw mandrel and and wire rod thread with motor output end drive connection
The screw mandrel base of drive connection, the linkage of described dynamometer are fixedly installed in screw mandrel base.
It is that the direction at dynamometry end and screw mandrel are axially identical in the dynamometer further to set, and the positioning fixture includes one
The fixed seat that is fixedly connected with erecting bed, detachable it is arranged at fixed seat and for the matrix for welded type electrical contact member to be measured
The positioning seat of placement, the fixed seat are provided with the guide groove arranged along the dynamometry end motion direction in dynamometer, the promotion
Head sliding is arranged in guide groove, and the electric contacting layer of welded type electrical contact member to be measured is located at the ejection sliding rail of pusher head
On.
By using above-mentioned technical proposal, the matrix for being arranged to welded type electrical contact member to be measured of positioning fixture provides
Fixed position, when making subsequently to carry out ejection separation, matrix will not relatively move, because the purpose of the present invention is at high temperature
Research to electrical contact member weld strength, therefore set heating arrangements to heat welded type electrical contact member to be measured,
Electrical contact member is in the condition of high temperature after heating, and begin through force application mechanism and active force is applied to electric contacting layer, until
Electric contacting layer is with respect to matrix shear fracture, so as to according to weld strength numerical value at a temperature of dynamometer acquisition fc-specific test FC.
Wherein force application mechanism uses motor as power source, and coordinates screw mandrel that the turning power of motor is converted into mobile energy
Power passes to dynamometer, dynamometer is axially moved along screw mandrel, so as to drive pusher head displacement, prepares in addition in force application structure
After ready, it is fixedly connected first using fixed seat with erecting bed, ensure that the stability of matrix installation, and is pacified in fixed seat
A positioning seat is filled to be fixedly mounted for matrix, the pusher head under starting state constantly moves along guide groove towards electric contacting layer afterwards,
And electric contacting layer is squeezed in, because weld strength is certain, therefore when active force reaches threshold value, the weld of electrical contact member breaks
Split, matrix and electric contacting layer are mutually peeled off, and now the registration on dynamometer is electrical contact member weld strength at this temperature
Maximum.
It the advantage is that：
First, the experiment purpose that is arranged to of heating arrangements provides most efficiently implementation method, makes electrical contact member can be in high temperature
It is lower to complete test, in addition, also energy can be exported to control the temperature of electrical contact member by adjusting heating arrangements, touch electricity
Head element can carry out weld strength test at different temperatures, widen research test scope.
Second, dynamometer is one of most conventional test device of detection field, yet with dynamometer using tension and compression
Principle, and currently as the motor that the power source of routine transmits for transmission, therefore direct power source can not be provided for dynamometer
Make its work, and the application uses screw mandrel that the motor power for rotating transmission is transferred into dynamometer in a manner of translating, and makes dynamometry
There is meter enough energy to carry out extruding dynamometry.In addition, the application is controlled by the way of screw mandrel, the displacement of dynamometer away from
It is higher compared to traditional cylinder type of drive, measuring accuracy from controllable precise.
3rd, because different electric equipments has different electrical contact members, i.e. the species of electrical contact member is various, because
If this will occur that fixation effect has deviation and causes to all types of electrical contact members using same positioning seat
The problem of fixed unstable, and if only set a kind of positioning seat only to be detected to a kind of electrical contact member, its use range mistake
Small not have practical significance, the present invention is dismountable using its using the setting for being detachably connected positioning seat and fixed seat
Feature makes quick-replaceable difference positioning seat accomplished, is coordinated using different positioning seats from fixed seat and is touched to test different electricity
The weld strength of head element.
4th, similarly in above-mentioned third advantage, for different electrical contact members, the shape size of its electric contacting layer is not
It is identical, therefore in order to more accurately be exerted a force to electric contacting layer, be operated using the pusher head of different model type.
Further set is that the fixed seat is provided with mounting groove along the dynamometry end motion direction in vertical dynamometer, institute
State mounting groove either end or be provided at both ends with the outlet passed for positioning seat, the positioning seat sliding is arranged at mounting groove.
By using above-mentioned technical proposal, for the ease of positioning seat is quickly attached in fixed seat, using sliding
Mode is that positioning seat sets a mounting groove, and positioning seat can enter mounting groove by the outlet on mounting groove, afterwards along mounting groove
When sliding onto the correspondence position of shearing, and needing to disassemble positioning seat from fixed seat, positioning seat is slided along mounting groove
Move and passed by outlet.
It the advantage is that：Because positioning seat is that sliding is arranged at mounting groove, therefore positioning seat both ends do not have fixed equipment
Positioning seat can not be slid along mounting groove, and if set fixed equipment to make complicatedization, and determine for what sliding was set
Position seat, if in the presence of the component along glide direction, positioning seat will be produced and slided along glide direction, because shearing test is a kind of storage
Deposit the process of energy, and be broken when energy reaches the upper limit, if therefore in test process positioning seat produce sliding, it will produce
Uncontrollable potential safety hazard, the present invention is in order to ensure the stability of positioning seat in the operating condition, by mounting groove along vertical dynamometry
The direction of dynamometry end motion in meter is set, and when the dynamometry end is acted power to electric contacting layer, positioning seat will not be produced along fixed
The component of position seat glide direction, so as to ensure the stability of positioning seat in the course of the work.
It is that the mounting groove is L-shaped groove further to set, and the positioning seat is adapted with L-shaped mounting groove.
By using above-mentioned technical proposal, the setting of mounting groove makes positioning seat to be slid along mounting groove direction, additionally may be used
Moved up and down along mounting groove, and the positioning seat that the setting of L-shaped groove makes to be installed in L-shaped groove is only slided along mounting groove conduit direction
Move, form positioning action.
It is that the guide groove is U-lag further to set, and the fixed seating is provided with closing opening in U-lag openend
The limiting plate at end.
By using above-mentioned technical proposal, in order that pusher head installs enhanced convenience, it is directed to groove and is arranged to U-lag,
Pusher head can enter U-lag by U-lag upper end open makes installation enhanced convenience, further, since pusher head is in compression shape
State, in order to prevent pusher head from launching and going out along U-lag upper end because depression bar is unstable, limiting plate is set in U-lag openend,
Pusher head is set to be moved along guide groove direction.
Further set is that the heating arrangements include high-frequency heating apparatus, the high-frequency heating being connected with high-frequency heating apparatus
Coil, the welded type electrical contact member to be measured are located at high frequency heating coil inner circumferential.
By using above-mentioned technical proposal, high frequency heating coil produces heat by high-frequency heating apparatus, makes to be located at high frequency
The electrical contact member heating of heating coil inner circumferential, so as to the temperature needed for test that reaches a high temperature, in addition, heating arrangements are also set up
Temperature measuring element is used for the temperature for testing electrical contact member, when temperature measuring element, which tests out electrical contact member, reaches required temperature, Bian Kejie
Close PLC startup motor and carry out propulsion shearing work.
Further setting is that the head of the pusher head is planar, and the head of planar shaped is perpendicular to dynamometry end motion side
To the head width of the pusher head is more than electric contacting layer width.
By using above-mentioned technical proposal, in order to ensure the authentic and valid of dynamometer institute test data, by pusher head front end
It is arranged to planar shaped, and the plane is perpendicular to dynamometry end motion direction, therefore the external force parallel action suffered by pusher head is in survey
Power meter, test result is influenceed in the absence of component is produced, in addition, in order to not produce situation as shown in Figure 6, by pusher head
Head width be set greater than the width of electric contacting layer, when ensureing that pusher head promotes electric contacting layer, point contact layer is in all the time
In the header planes of pusher head.
Further setting is that the head thickness of the pusher head is more than electric contacting layer thickness.By using above-mentioned technical side
Case, to prevent from making electric contacting layer part part of the force not stress because of the head thickness of pusher head deficiency, cause answering shown in Fig. 7
Power, which is concentrated, to be destroyed, and the thickness of pusher head is set greater than into electric contacting layer thickness, makes electric contacting layer uniform force, and can not produce should
Power, which is concentrated, to be destroyed, and makes test result more accurate.
In addition, the application also provides a kind of welded type electrical contact member high-temperature soldering intensity based on described test device
Method of testing, comprise the following steps：
Welded type electrical contact member to be measured is placed on positioning fixture, pusher head front end acts on welded type electrical contact member to be measured
Commissure, start heating arrangements welded type electrical contact member to be measured is heated, treat temperature measuring element detection temperature reach setting
Test temperature when, Motorized drive unit driving dynamometer move to welded type electrical contact member direction to be measured, and driving described in
Pusher head applies release effect power to welded type electrical contact member to be measured, until the electricity of the welded type electrical contact member to be measured connects
Contact layer is stripped, the force value when reading electric contacting layer on dynamometer and being stripped, and the force value data are that welded type electricity to be measured touches
The weld strength of head element at test temperature.
By the present processes, welded type electrical contact member to be measured can be accurately obtained at a temperature of fc-specific test FC
Weld strength, mechanism is simple to operate, and test is quick, is to carry out Improvement to contact elements welding position intensity under high temperature to carry
Supported for data.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, according to
These accompanying drawings obtain other accompanying drawings and still fall within scope of the invention.
Fig. 1 is the installation diagram of the specific embodiment of the invention；
Fig. 2 is a kind of part drawing of electrical contact element；
Fig. 3 is the installation diagram of workbench and force application mechanism in the specific embodiment of the invention；
Fig. 4 is the installation diagram of workbench, force application mechanism and positioning fixture in the specific embodiment of the invention；
Fig. 5 is the installation diagram for the positioning fixture that electrical contact member is equipped with the specific embodiment of the invention；
Fig. 6 is pusher head and the operating diagram of the unmatched electrical contact member of width；
Fig. 7 is pusher head and the operating diagram of the unmatched electrical contact element of thickness.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with accompanying drawing
It is described in detail on step ground.
The direction and position term that the present invention is previously mentioned, for example, " on ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " top ", " bottom ", " side " etc., only it is the direction or position of refer to the attached drawing.Therefore, the direction used and position term
It is to illustrate and understand the present invention, rather than limiting the scope of the invention.
As Figure 1-Figure 2, the invention discloses a kind of high-temperature soldering strength testing device of welded type electrical contact member 2,
The structure of welded type electrical contact member 2 includes matrix 21 and the electric contacting layer 22 that is welded on matrix 21, reference 23 in figure
The solder side 23 between matrix 21 and electric contacting layer 22 is represented, the test device includes an erecting bed 1, the bottom screw thread of erecting bed 1
Four foot supports 12 are connected with, bolt connection has a workbench 11 in the plane of erecting bed 1, is set on workbench 11 positioned at left side
Have for electric contacting layer 22 to be sheared into the force application mechanism 3 separated with matrix 21, be provided with positioned at right side for fixing base 21
Positioning fixture 4, in addition, heating arrangements 5 and control work for heating electrical contact member 2 are additionally provided with erecting bed 1
Make the Plc control panels 6 of flow, Plc control panels 6 are provided with three startup, stopping, jerk switches 61, and positioned at installation
The warning lamp 62 on the top of platform 1.In addition, being provided with PLC in the present embodiment Plc control panels 6, the PLC can
Collaborative Control is carried out to heating arrangements 5, force application mechanism 3.
Wherein, heating arrangements 5 include high-frequency heating apparatus 51, high frequency heating coil 52 and temperature measuring element 53 in the present embodiment,
A thermo detector frame is fixed with erecting bed 1, thermo detector is inserted in thermo detector frame upper end, and thermo detector alignment electrical contact member 2 is put
Seated position is used to carry out thermometric to electrical contact member 2, and high-frequency heating apparatus 51 is positioned over erecting bed 1 in addition, and high-frequency heating is set
Standby 51 delivery outlets 412 are connected with high frequency heating coil 52, and the inner circumferential of high frequency heating coil 52 is located at the position of electrical contact member 2 and is used for
Direct envelope electrical contact head is heated.Wherein high-frequency heating apparatus 51, high frequency heating coil 52, temperature measuring element 53 are existing skill
Art, wherein high-frequency heating apparatus 51 are generated heat using the principle of high-frequency vortex, and temperature measuring element 53 preferably uses infrared thermometer, its
Can no longer it be described in detail from market purchasing, the present embodiment.
As shown in figure 3, the present embodiment force application mechanism 3 includes the motor 31 and motor for being bolted to workbench 11
The screw mandrel 32 and dynamometer 33 of 31 rotation connections, dynamometer 33 includes dial plate 331, table body 332 and head end 333, and head end 333 is
For dynamometry end 333, wherein screw mandrel 32 is rotatablely connected by shaft coupling 34 and motor 31, and workbench 11 is provided with installing plate 111
Screw mandrel 32 is installed, and sets the fixed block 321 coordinated with the screw thread of screw mandrel 32 on screw mandrel 32 in addition, and fixed block 321 is in cuboid,
Dynamometer 33 is bolted to connection in fixed block 321, in addition, the both sides of fixed block 321 are equipped with two parallel to screw mandrel 32
Polished rod 35, and two both ends of polished rod 35 are mounted on installing plate 111, in the presence of screw mandrel 32 and polished rod 35, dynamometer 33
Only moved axially along screw mandrel 32 without producing rotation phenomenon, in addition, the buckle of head end 333 of dynamometer 33 has one to be used to promote
The pusher head 37 of electric contacting layer 22, the head end 333 that pusher head 37 can depart from dynamometer 33 by snapped-in position completes separation, and pushes away
Dynamic first 37 head 371 is in plane and the vertical direction of motion of dynamometry end 333 of the plane.
In addition, linear bearing 36 is provided between polished rod 35 and fixed block 321 to reduce between polished rod 35 and fixed block 321
Mobile frictional force.
Preferably, the present embodiment motor 31 is stepper motor 311, and realization pair is rotated using stepper motor 311 is high-precision
The stability contorting of 33 progressive distance of dynamometer, wherein stepper motor 311 are that prior art does not do excessive elaboration.
Preferably, the width of head 371 of the present embodiment pusher head 37 is more than the width of electric contacting layer 22.
Preferably, the thickness of head 371 of the present embodiment pusher head 37 is more than the thickness of electric contacting layer 22.
As illustrated in figures 4-5, the present embodiment positioning fixture 4 includes fixed seat 41, positioning seat 42, and fixed seat 41 is consolidated by bolt
Due to workbench 11, wherein fixed seat 41 is provided with mounting groove 411 along the vertical direction of motion of dynamometry end 333, and the two of mounting groove 411
Hold as through setting, and form outlet 412 respectively, positioning seat 42 is slid in mounting groove 411, and can leave peace by outlet 412
Tankage 411, pedestal is set to be fixedly installed in fixation in addition, being provided with the fixing chuck plate 421 of two pieces of fixed pedestals on positioning seat 42
Formed and be fixedly mounted between clamp 421.
In addition, mounting groove 411 is L-shaped in the present embodiment, positioning seat 42 matches with L-shaped mounting groove 411 makes positioning seat 42
Fill L-shaped groove.Pass through the cooperation of positioning seat 42 and mounting groove 411, it is ensured that positioning seat 42 is only along the groove of L-shaped mounting groove 411
Move and limit the motion in remaining direction in road direction.
In addition, the present embodiment fixed seat 41 offers the guide groove along the direction of motion of dynamometry end 333 in dynamometer 33
413, and pusher head 37 is slid in guide groove 413, the width of guide groove 413 makes sliding more slightly larger than the width of pusher head 37 in addition
What is added is smooth.
Preferably, guide groove 413 takes the shape of the letter U in the present embodiment, and openend is upward, and fixed seat 41 is in U-lag opening in addition
End is provided with the limiting plate 43 of closing open end, and limiting plate 43 is fixedly connected with fixed seat 41 by bolt and realizes that opening is close
Envelope.
The high-temperature soldering for obtaining welded type electrical contact member to be measured can be tested by said apparatus, and with reference to following methods
Intensity, it is specially：
Welded type electrical contact member to be measured is placed on positioning fixture, pusher head front end acts on welded type electrical contact member to be measured
Commissure, start heating arrangements welded type electrical contact member to be measured is heated, treat temperature measuring element detection temperature reach setting
Test temperature when, Motorized drive unit driving dynamometer move to welded type electrical contact member direction to be measured, and driving described in
Pusher head applies release effect power to welded type electrical contact member to be measured, until the electricity of the welded type electrical contact member to be measured connects
Contact layer is stripped, the force value when reading electric contacting layer on dynamometer and being stripped, and the force value data are that welded type electricity to be measured touches
The weld strength of head element at test temperature.
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly
Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (10)
- A kind of 1. welded type electrical contact member high-temperature soldering strength testing device, it is characterised in that：Including an erecting bed, the peace Be provided with dress platform for fix welded type electrical contact member to be measured positioning fixture, for heating welded type electrical contact to be measured member The heating arrangements of part, the temperature measuring element for monitoring welded type electrical contact member temperature to be measured and for by welded type to be measured electricity touch The force application mechanism that the electric contacting layer and matrix of head element are separated, the power that the force application mechanism includes an offer power source drive Moving cell, drive the dynamometer of sliding with Motorized drive unit and be detachably fixed the promotion being connected with the dynamometry end of dynamometer Head, described pusher head is with being fixed in the electric contacting layer or matrix of the welded type electrical contact member to be measured on positioning fixture extremely A few ejection coordinates, and electric contacting layer and matrix are mutually peeled off.
- A kind of 2. welded type electrical contact member high-temperature soldering strength testing device according to claim 1, it is characterised in that： The Motorized drive unit includes motor, is connected with the screw mandrel of motor output end drive connection and with wire rod thread Screw mandrel base, described dynamometer linkage be fixedly installed in screw mandrel base.
- 3. a kind of welded type electrical contact member high-temperature soldering strength testing device according to claim 1 or 2, its feature exist In：The direction at dynamometry end is axially identical with screw mandrel in the dynamometer, and the positioning fixture is fixedly connected including one with erecting bed Fixed seat, detachable be arranged at fixed seat and the positioning seat for being placed for the matrix of welded type electrical contact member to be measured, institute State fixed seat and be provided with the guide groove arranged along the dynamometry end motion direction in dynamometer, the pusher head sliding is arranged at guiding In groove, and the electric contacting layer of welded type electrical contact member to be measured is located on the ejection sliding rail of pusher head.
- A kind of 4. welded type electrical contact member high-temperature soldering strength testing device according to claim 3, it is characterised in that： The fixed seat is provided with the mounting groove along the dynamometry end motion direction in vertical dynamometer, the mounting groove either end or The outlet passed for positioning seat is provided at both ends with, the positioning seat sliding is arranged at mounting groove.
- A kind of 5. welded type electrical contact member high-temperature soldering strength testing device according to claim 4, it is characterised in that： The mounting groove is L-shaped groove, and the positioning seat is adapted with L-shaped mounting groove.
- A kind of 6. welded type electrical contact member high-temperature soldering strength testing device according to claim 3, it is characterised in that： The guide groove is U-lag, and the fixed seating is provided with the limiting plate of closing open end in U-lag openend.
- A kind of 7. welded type electrical contact member high-temperature soldering strength testing device according to claim 3, it is characterised in that： The high frequency heating coil that the heating arrangements include high-frequency heating apparatus, are connected with high-frequency heating apparatus, the welded type to be measured Electrical contact member is located at high frequency heating coil inner circumferential.
- A kind of 8. welded type electrical contact member high-temperature soldering strength testing device according to claim 3, it is characterised in that： The head of the pusher head is planar, and the head of planar shaped is perpendicular to dynamometry end motion direction, the head of the pusher head Width is more than electric contacting layer width.
- A kind of 9. welded type electrical contact member high-temperature soldering strength testing device according to claim 8, it is characterised in that： The head thickness of the pusher head is more than electric contacting layer thickness.
- A kind of 10. test side of the welded type electrical contact member high-temperature soldering intensity of test device based on described in claim 1 Method, it is characterised in that comprise the following steps：Welded type electrical contact member to be measured is placed on positioning fixture, pusher head front end acts on welded type electrical contact member to be measured Commissure, start heating arrangements welded type electrical contact member to be measured is heated, treat temperature measuring element detection temperature reach setting Test temperature when, Motorized drive unit driving dynamometer move to welded type electrical contact member direction to be measured, and driving described in Pusher head applies release effect power to welded type electrical contact member to be measured, until the electricity of the welded type electrical contact member to be measured connects Contact layer is stripped, the force value when reading electric contacting layer on dynamometer and being stripped, and the force value data are that welded type electricity to be measured touches The weld strength of head element at test temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711200103.2A CN107894393A (en) | 2017-11-27 | 2017-11-27 | A kind of welded type electrical contact member high-temperature soldering strength testing device and method of testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711200103.2A CN107894393A (en) | 2017-11-27 | 2017-11-27 | A kind of welded type electrical contact member high-temperature soldering strength testing device and method of testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107894393A true CN107894393A (en) | 2018-04-10 |
Family
ID=61805841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711200103.2A Pending CN107894393A (en) | 2017-11-27 | 2017-11-27 | A kind of welded type electrical contact member high-temperature soldering strength testing device and method of testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107894393A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896378A (en) * | 2020-08-06 | 2020-11-06 | 亳州联滔电子有限公司 | Connector tension testing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041814U (en) * | 1988-09-01 | 1989-07-26 | 北京有色金属研究总院 | Fixture for measuring metal |
| US20020088846A1 (en) * | 2001-01-09 | 2002-07-11 | Bolde Lannie R. | Known good die removal method and apparatus |
| KR20090044162A (en) * | 2007-10-31 | 2009-05-07 | 유창금속공업(주) | A manufacturing method of the planer electric contact |
| CN101907535A (en) * | 2009-06-05 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Strength detection equipment |
| CN102680152A (en) * | 2012-05-14 | 2012-09-19 | 浙江理工大学 | Device for testing insertion and withdrawal forces of contact elements of electric connectors in high temperature environments |
| CN102853949A (en) * | 2012-09-21 | 2013-01-02 | 陕西科技大学 | Device for measuring shearing force of metal part |
| CN103196755A (en) * | 2013-03-28 | 2013-07-10 | 清华大学 | Method for measuring combination strength of investment casting shells |
| CN207650085U (en) * | 2017-11-27 | 2018-07-24 | 福达合金材料股份有限公司 | A kind of welded type electrical contact member high-temperature soldering strength testing device |
-
2017
- 2017-11-27 CN CN201711200103.2A patent/CN107894393A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041814U (en) * | 1988-09-01 | 1989-07-26 | 北京有色金属研究总院 | Fixture for measuring metal |
| US20020088846A1 (en) * | 2001-01-09 | 2002-07-11 | Bolde Lannie R. | Known good die removal method and apparatus |
| KR20090044162A (en) * | 2007-10-31 | 2009-05-07 | 유창금속공업(주) | A manufacturing method of the planer electric contact |
| CN101907535A (en) * | 2009-06-05 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Strength detection equipment |
| CN102680152A (en) * | 2012-05-14 | 2012-09-19 | 浙江理工大学 | Device for testing insertion and withdrawal forces of contact elements of electric connectors in high temperature environments |
| CN102853949A (en) * | 2012-09-21 | 2013-01-02 | 陕西科技大学 | Device for measuring shearing force of metal part |
| CN103196755A (en) * | 2013-03-28 | 2013-07-10 | 清华大学 | Method for measuring combination strength of investment casting shells |
| CN207650085U (en) * | 2017-11-27 | 2018-07-24 | 福达合金材料股份有限公司 | A kind of welded type electrical contact member high-temperature soldering strength testing device |
Non-Patent Citations (2)
| Title |
|---|
| 何斌等: "挤压型银石墨触点脱碳层分析及钎焊后剪切力研究", 电工材料, vol. 1, no. 3, pages 192 - 197 * |
| 蒋英: "建筑设备", vol. 1, 31 August 2011, 北京理工大学出版社, pages: 192 - 197 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896378A (en) * | 2020-08-06 | 2020-11-06 | 亳州联滔电子有限公司 | Connector tension testing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5235163B2 (en) | Inspection device | |
| CN205374371U (en) | Magneto -optic formation of image nondestructive test platform | |
| JPWO2014129348A1 (en) | Magnet evaluation apparatus and method | |
| CN107803583A (en) | A kind of drawing type inertia friction weld method and device | |
| CN108241009A (en) | A kind of pad welding quality detection method and its detection device | |
| TW201215863A (en) | System and method for testing of bonds of a semiconductor assembly | |
| CN106041343B (en) | A kind of method for being used to monitor the change of solder bonding metal connection resistance on-line | |
| CN107894393A (en) | A kind of welded type electrical contact member high-temperature soldering strength testing device and method of testing | |
| KR100766256B1 (en) | Auto spot welding device of a specimen | |
| Glaessel et al. | Infrared laser based contacting of bar-wound windings in the field of electric drives production | |
| CN207650085U (en) | A kind of welded type electrical contact member high-temperature soldering strength testing device | |
| CN205300466U (en) | Universal joint angle clearance detection device | |
| CN102935590B (en) | Automatic assembly device of temperature controller | |
| KR101390385B1 (en) | Method for evaluating welding quality of nut projection welding | |
| WO2005118201A1 (en) | Apparatus and method for nondestructive testing of the joint quality of stud welded joints | |
| US3008029A (en) | Means and method for testing of composite sandwich structures | |
| CN203465301U (en) | ICT needle bed jig | |
| CN105612021B (en) | The welding machine of sensing welding fastener locations indirectly | |
| KR101921594B1 (en) | Device for measuring pressure of spot | |
| CN202522537U (en) | Insulating tool edge planar defect on-site detection device | |
| CN210154543U (en) | Contactor iron core subassembly flatness detection mechanism | |
| KR20180068732A (en) | Magnetic Particle Testing Device For Non-Magnetic Material, and Magnetic Particle Testing Method Using The Same | |
| CN104826814A (en) | Full-automatic welding on-line detection experimental equipment | |
| DE102018215327B4 (en) | Device and method for non-destructive testing of stud welds | |
| CN108775976B (en) | Bending stress detection device for composite material automobile leaf spring product inspection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220315 Address after: 325000 No. 308, Binhai fifth road, economic and Technological Development Zone, Wenzhou, Zhejiang Applicant after: Zhejiang Fuda alloy material technology Co.,Ltd. Applicant after: Zhejiang CHINT electric Limited by Share Ltd Address before: No. 518, Binhai 4th Road, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province, 325000 Applicant before: FUDA ALLOY MATERIALS Co.,Ltd. Applicant before: Zhejiang CHINT electric Limited by Share Ltd |
|
| TA01 | Transfer of patent application right |