CN207318242U - Welding pulling-out force test device - Google Patents
Welding pulling-out force test device Download PDFInfo
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- CN207318242U CN207318242U CN201721295163.2U CN201721295163U CN207318242U CN 207318242 U CN207318242 U CN 207318242U CN 201721295163 U CN201721295163 U CN 201721295163U CN 207318242 U CN207318242 U CN 207318242U
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Abstract
The utility model discloses a kind of welding pulling-out force test device, the welding pulling-out force test device includes：Rack；Relatively moveable two connectors in the up-down direction, each connector is rotationally connected with the rack, and each connector is adapted to rotationally be connected with test specimen, so that during the distance increase of two connectors in the up-down direction, the test specimen is set to be always positioned at center.Welding pulling-out force test device according to the present utility model, by the way that test specimen is fixed on connector, when the position of test specimen is not at the center pulled due to tearing, being rotatably connected between connector and rack and connector and test specimen can be utilized, make test specimen all the time in the center pulled, lateral force is eliminated, so as to ensure measurement accuracy.
Description
Technical field
Test equipment field is the utility model is related to, in particular to a kind of welding pulling-out force test device.
Background technology
When being assembled into battery modules or battery pack using method for soft package lithium ion power, between battery pole ear and lug weld tabs
Weld strength usually requires to carry out pulling-out force inspection.Existing method is tested mainly by hardness fixation above and below tensile testing machine,
The fixed mode precision of this hardness is not high, and result value can be caused bigger than normal, influence the accuracy of result.
Utility model content
The utility model is intended at least solve one of technical problem existing in the prior art.For this reason, the utility model carries
Lateral force can be eliminated by going out one kind, so as to ensure the welding pulling-out force test device of measurement accuracy.
Welding pulling-out force test device according to the present utility model includes：Rack；It is relatively moveable in the up-down direction
Two connectors, each connector are rotationally connected with the rack, and each connector is adapted to and quilt
Test block is rotationally connected, so that during the distance increase of two connectors in the up-down direction, makes the test specimen
It is always positioned at center.
Welding pulling-out force test device according to the present utility model, relative to gantry rotation and is tested by connector
Part is relatively rotated with connector, and the rotation of lateral force connected piece and test specimen is offset, so that the quilt after being torn
Drawing force suffered by test block is also the power of above-below direction, so that influence of the measurement structure from lateral force, so as to protect
Measurement accuracy is demonstrate,proved.
Welding pulling-out force test device according to the present utility model, the connector include stent and sliding block, the stent
Rotationally be connected with the rack, the lower end of the sliding block and the stent in the lateral direction relatively slidably, the cunning
Block be suitable for rotationally be connected with test specimen, when producing lateral force, can make under the action of lateral force stent relative to
Rack is freely rotated, and sliding block is opposite with stent free to slide, so that test specimen is always positioned at center, so that tested
The Impact direction of test specimen is consistent with the direction being stretched, and counteracts lateral force, increased measurement accuracy.
Welding pulling-out force test device according to the present utility model, the sliding block is slide, because the slip category between slide
In rolling friction, frictional force is small, so that influence of the sliding block to measurement result is smaller, and since slide is rigidly larger, and can
So that the first sliding block and the second slider contact surface are larger, the positioning accuracy higher of sliding block, load capacity is big.
Welding pulling-out force test device according to the present utility model, further includes shaft, and the sliding block is suitable for and test specimen
Rotationally it is connected by the shaft, when test specimen is subject to lateral force, test specimen can together turn with connector
It is dynamic so that the movement of connector in the horizontal direction will not on test specimen applying power, so as to ensure that test specimen only
The stress on upper and lower draw direction, so as to improve measuring accuracy.
Welding pulling-out force test device according to the present utility model, the sliding block are recessed with being opened wide towards test specimen
Groove, the groove have the two side walls being oppositely arranged, and the both ends of the shaft are separately fixed on two side walls, are tested
At least a portion of test specimen is stretched into the groove to be rotationally connected with the shaft, by the setting of shaft, so that by
Test block can be relatively rotated with opposite joints, keep the Impact direction of test specimen point-blank, to have with draw direction
Effect counteracts lateral force.
Welding pulling-out force test device according to the present utility model, further includes two bearings, two bearings and two
The connector corresponds, and the connector is rotationally connected with the rack by the corresponding bearing, two axis
Hold and be connected with the stent on connector, so that connector can be freely rotated relative to stent, to offset lateral force, and axis
The design held, frictional force is small, test result is influenced smaller.
Welding pulling-out force test device according to the present utility model, the rack, the connector are symmetrical knot
Structure, when test specimen is connected on connector and test specimen is not stretched, connected piece, bearing, shaft are all located at
On symmetry axis, when test specimen starts to be stretched, the Impact direction of test specimen is identical with the discovery that is stretched, and side occurs
Xiang Lihou, makes during test specimen offsets lateral force, due to bearing, shaft all on symmetry axis so that test specimen
Impact direction is also on symmetry axis, and the direction of drawing force is vertical direction, so that shadow of the test result from lateral force
Ring, make test result more accurate.
Welding pulling-out force test device according to the present utility model, it is characterised in that the rack include Part I and
Part II, the Part I are fixed, and the Part II is movably arranged on the Part I along the vertical direction, institute
State Part I with one in two connectors to be rotationally connected, in the Part II and two connectors
Another be rotationally connected.
Welding pulling-out force test device according to the present utility model, the rack further include rail structure, described second
Divide and be movably arranged at along the vertical direction on the Part I by the rail structure.
Welding pulling-out force test device according to the present utility model, the Part I and the Part II are configured to
U-shaped frame body, the U-shaped frame body include crossbeam and two vertical beams for being connected to crossbeam both ends, the crossbeam and corresponding institute
Connector is stated rotationally to be connected, when needing to stretch test specimen, Part II is moved up with respect to Part I,
Upper connector is moved up relative to lower connector, so as to fulfill the stretching to test specimen.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly by from following description
In become obvious, or recognized by the practice of the utility model.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is welding pulling-out force test device structure diagram according to the present utility model；
Fig. 2 is welding pulling-out force test device operating diagram according to the present utility model.
Reference numeral：
Welding pulling-out force test device 100；
Rack 1；Part I 11；Part II 12；Crossbeam 101；Vertical beam 102；
Bearing 2；
Connector 3；Upper connector 31；Lower connector 32；Stent 301；Rack body 3011；Sliding block connecting portion 3012；It is sliding
Block 302；Shaft 3021；
Test specimen 10.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that to the utility model
Limitation.
Welding pulling-out force test device 100 according to the present utility model is described referring to Fig. 1 and Fig. 2, according to this practicality
The welding pulling-out force test device 100 of new embodiment is by stretching test specimen 10, so as to detect test specimen 10
Weld strength, in some specific embodiments, test specimen 10 can be battery pole ear weld together with lug weld tabs
Component, welding pulling-out force test device 100 is tested to detect by the stretching by test specimen 10 in the up-down direction
The weld strength of part 10.
As depicted in figs. 1 and 2,1 He of rack is included according to the welding pulling-out force test device 100 of the utility model embodiment
Two connectors 3.
As depicted in figs. 1 and 2, in welding pulling-out force test device 100, being provided with can relatively move in the up-down direction
Two connectors 3, be respectively upper connector 31 and lower connector 32, each connector 3 is rotationally connected with rack 1,
And each connector 3 is adapted to rotationally be connected with test specimen 10, so that the distance of two connectors 3 in the up-down direction
During increase, test specimen 10 is set to be always positioned at center, the distance of two connectors 3 in the up-down direction increases and to tested
During test specimen 10 is stretched, when test specimen 10 is only by the power of above-below direction, position centered on location.
Drawn using the welding that test specimen 10 is tested according to the welding pulling-out force test device 100 of the utility model embodiment
During de- power, the upper end of test specimen 10 is connected on upper connector 31, the lower end of connected piece 10 is connected to lower connector 32
On, the welding position of connected piece 10 is located between upper connector 31 and lower connector 32, upper connector 31 and lower connector
32 distance increase in the up-down direction, and then stretching along the vertical direction is carried out to connected piece 10.Due to test specimen 10
Tear position in drawing process not with drawing force point-blank, so as to produce lateral force, due to the effect of lateral force,
Connector 3 is rotated relative to rack 1 and connector 3 is relatively rotated with test specimen 10, makes the portion not being torn of connected piece 3
Divide and be always positioned at center, that is, test specimen 10 is subject to the position of the pulling force of above-below direction, so that lateral force is counteracted,
Make influence of the measurement result from lateral force, improve measurement accuracy.
Referring to Fig. 1 and Fig. 2 descriptions according to the welding pulling-out force test device 100 of the utility model embodiment some
Specific embodiment.
Connector 3 includes stent 301 and sliding block 302, and stent 301 is rotationally connected with rack 1, specific real at some
Apply in example, as depicted in figs. 1 and 2, stent 301 can include rack body 3011 and sliding block connecting portion 3012, rack body
3011 are fixedly linked with sliding block connecting portion 3012, i.e., rack body 3011 not can be movable relatively with sliding block connecting portion 3012, optional
Ground, rack body 3011 and sliding block connecting portion 3012 can be integrally formed part, rack body 3011 and sliding block connecting portion 3012
Can also be by being weldingly connected, sliding block connecting portion 3012 is slidably connected with sliding block 302.
As shown in Fig. 2, when welding pulling-out force test device 100 works, in upper connector 31, sliding block 302 be suitable for
Test specimen 10 is rotationally connected, and in lower connector 32, sliding block 302 is also suitable for rotationally being connected with test specimen 10.
In some specific embodiments, stent 301 can be freely rotated relative to rack 1, and sliding block 302 can be relative to sliding block
Connecting portion 3012 is relatively free to slide, and when producing lateral force, stent 301 can be made under the action of lateral force relative to rack
1 is freely rotated, and sliding block 302 is relatively free to slide relative to sliding block connecting portion 3012, so that during test specimen 10 is always positioned at
Heart position, so that the Impact direction of test specimen 10 is consistent with the direction being stretched, counteracts lateral force, improves measurement essence
Degree.
Alternatively, sliding block can be slide, because the slip between slide belongs to rolling friction, frictional force is small, so that sliding
Block is smaller to the influence to measurement result, and since slide is rigidly larger, and sliding block connecting portion 3012 and sliding block 302 can be made
Contact surface is larger, makes the positioning accuracy higher of sliding block 302, and load capacity is big.
As depicted in figs. 1 and 2, according to the welding pulling-out force test device 100 of the utility model embodiment, can also include
Shaft 3021, shaft 3021 are corresponded with sliding block 302, and sliding block 302 can pass through corresponding shaft 3021 with test specimen 10
Rotationally it is connected, so that when test specimen 10 is subject to lateral force, test specimen 10 can be rotated with opposite joints 3, so that
Make the movement of connector 3 in the horizontal direction will not on test specimen 10 applying power, so as to ensure that test specimen 10 only exists
Stress on upper and lower draw direction, so as to improve measuring accuracy.
As depicted in figs. 1 and 2, sliding block 302 has the groove opened wide towards test specimen 10, and groove has what is be oppositely arranged
Two side walls, the both ends of shaft 3021 are separately fixed in two side walls, and at least a portion of test specimen 10 stretches into described recessed
Rotationally it is connected with shaft 3021 in groove, by the setting of shaft 3021, so that test specimen 10 can be with opposite joints 3
Relatively rotate, the Impact direction of holding test specimen 10 point-blank, is effectively offset lateral force with draw direction.
Alternatively, in other embodiments according to the present utility model, shaft 3021 can also be rotatable with sliding block 302
Ground is connected, and when carrying out welding pulling-out force test to test specimen 10, shaft 3021 and test specimen 10 is fixed, when to tested
Test specimen 10 carry out welding pulling-out force test when, test specimen 10 is fixed in shaft 3021, when being tested, shaft 3021 with
Test specimen 10 opposing slider 302 can rotate at the same time, so as to reach the Impact direction and draw direction for keeping test specimen 10
Point-blank, the purpose of lateral force is effectively offset.
As depicted in figs. 1 and 2, according to the welding pulling-out force test device 100 of the utility model embodiment, can also include
Two bearings 2, two bearings 2 are corresponded with upper connector 31 and lower connector 32 respectively, and connector 3 is with rack 1 by right
The bearing 2 answered rotationally is connected, and bearing 2 is connected with the stent 301 on connector 3, so that connector 3 can be relative to
Stent 301 is freely rotated, and to offset lateral force, and uses bearing 2, can reduce frictional force, test result is influenced compared with
It is small.
As depicted in figs. 1 and 2, rack 1, connector 3 are bilateral symmetry, so that when test specimen 10 is connected to
On fitting 3 and when not stretched to test specimen 10, test specimen 10, connector 3, bearing 2, shaft 3021 are all located at symmetrically
On axis, when test specimen 10 starts to be stretched, the Impact direction of test specimen 10 is identical with the direction that is stretched, and side occurs
Xiang Lihou, make test specimen 10 offset lateral force during, due to bearing 2, shaft 3021 all on symmetry axis so that by
The Impact direction of test block 10 also on symmetry axis, and the direction of drawing force is vertical direction so that test result from
The influence of lateral force, makes test result more accurate.
As depicted in figs. 1 and 2, rack 1 includes Part I 11 and Part II 12, and Part I 11 is fixed, second
12 are divided to be movably arranged at along the vertical direction on Part I 11, one in Part I 11 and two connectors 3 is rotatable
Ground is connected, and Part II 12 is rotationally connected with another in two connectors 3.
Part II 12 can be moved relative to 11 above-below direction of Part I, when test specimen 10 is connected to two connectors 3
When upper, since Part I 11 is connected with lower connector 32, Part II 12 is connected with upper connector 31, when needing to tested
When part 10 is stretched, Part II 12 is moved up with respect to Part I 11, upper connector 31 relative to lower connector 32 to
Upper movement, so as to fulfill the stretching to test specimen 10.
In some specific embodiments, rack 1 further includes rail structure, Part II 12 by rail structure vertically
Direction is movably arranged on Part I 11, and the setting of rail structure can make the positioning of Part I 11 and Part II 12
It is more accurate, and rigidity is big, higher load can be born, so as to preferably realize the stretching to test specimen 10.
As depicted in figs. 1 and 2, Part I 11 and Part II 12 are configured to U-shaped frame body, and U-shaped frame body includes crossbeam
101 and two vertical beams 102 at 101 both ends of crossbeam being connected to, crossbeam 101 is rotationally connected with corresponding connector 3, when
Part II 12 relative to Part I 11 along the vertical direction upper movement when, the upper connector 31 that is connected on two crossbeams 101
Relative motion is also gone up along the vertical direction with lower connector 32, so as to be carried out to the test specimen 10 being connected on connector 3 up and down
Stretching on direction, also, rail structure may be mounted at the vertical beam 102 of Part I 11 and the vertical beam 102 of Part II 12
Between, so as to fulfill the relative movement of Part I 11 and Part II 12.
It is alternatively possible to the mode of manually or electrically makes Part II 12 be moved up and down relative to Part I 11,
So as to fulfill the stretching to test specimen 10.
In short, according to the welding pulling-out force test device 100 of the utility model embodiment, by setting relative to rack
1 two connectors 3, sliding block 302 and the shaft 3021 being rotationally connected, makes test specimen 10 during the tear that is stretched
From the influence of lateral force, so as to improve the measurement accuracy that welding pulling-out force test is carried out to test specimen 10.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System.In addition, define " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".
In the description of the utility model, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that the embodiment of the utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from the principle and objective of the utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
- A kind of 1. welding pulling-out force test device, it is characterised in that including：Rack；Relatively moveable two connectors in the up-down direction, each connector with the rack rotationally phase Even, and each connector is adapted to rotationally be connected with test specimen, so that two connectors are in above-below direction On distance increase when, the test specimen is always positioned at center.
- 2. welding pulling-out force test device according to claim 1, it is characterised in that the connector includes stent and cunning Block, the stent are rotationally connected with the rack, and the sliding block is opposite in the lateral direction with the lower end of the stent can Slide, the sliding block is suitable for rotationally being connected with test specimen.
- 3. welding pulling-out force test device according to claim 2, it is characterised in that the sliding block is slide.
- 4. welding pulling-out force test device according to claim 2, it is characterised in that further include shaft, the sliding block is fitted In being rotationally connected by the shaft with test specimen.
- 5. welding pulling-out force test device according to claim 4, it is characterised in that the sliding block has towards tested The groove that part opens wide, the groove have the two side walls being oppositely arranged, and the both ends of the shaft are separately fixed at described in two On side wall, at least a portion of test specimen is stretched into the groove to be rotationally connected with the shaft.
- 6. welding pulling-out force test device according to claim 1, it is characterised in that further include two bearings, two institutes State bearing and two connectors correspond, the connector and the rack by the corresponding bearing rotationally It is connected.
- 7. the welding pulling-out force test device according to any one of claim 1-6, it is characterised in that the rack, institute It is bilateral symmetry to state connector.
- 8. the welding pulling-out force test device according to any one of claim 1-6, it is characterised in that the rack includes Part I and Part II, the Part I are fixed, and the Part II is movably arranged at described along the vertical direction In a part, the Part I is rotationally connected with one in two connectors, the Part II and two Another in the connector is rotationally connected.
- 9. welding pulling-out force test device according to claim 8, it is characterised in that the rack further includes slide knot Structure, the Part II are movably arranged on the Part I along the vertical direction by the rail structure.
- 10. welding pulling-out force test device according to claim 8, it is characterised in that the Part I and described Two parts are configured to U-shaped frame body, and the U-shaped frame body includes crossbeam and two vertical beams for being connected to crossbeam both ends, described Crossbeam is rotationally connected with the corresponding connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721295163.2U CN207318242U (en) | 2017-10-09 | 2017-10-09 | Welding pulling-out force test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721295163.2U CN207318242U (en) | 2017-10-09 | 2017-10-09 | Welding pulling-out force test device |
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| Publication Number | Publication Date |
|---|---|
| CN207318242U true CN207318242U (en) | 2018-05-04 |
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ID=62428894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721295163.2U Active CN207318242U (en) | 2017-10-09 | 2017-10-09 | Welding pulling-out force test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607401A (en) * | 2017-10-09 | 2018-01-19 | 北京华特时代电动汽车技术有限公司 | Welding pulling-out force test device |
| CN109470393A (en) * | 2018-10-19 | 2019-03-15 | 重庆市计量质量检测研究院 | Cotton swab fiber head withdrawal force test method |
-
2017
- 2017-10-09 CN CN201721295163.2U patent/CN207318242U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607401A (en) * | 2017-10-09 | 2018-01-19 | 北京华特时代电动汽车技术有限公司 | Welding pulling-out force test device |
| CN109470393A (en) * | 2018-10-19 | 2019-03-15 | 重庆市计量质量检测研究院 | Cotton swab fiber head withdrawal force test method |
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