CN106092737B - A kind of device for power battery module side plate tension test - Google Patents
A kind of device for power battery module side plate tension test Download PDFInfo
- Publication number
- CN106092737B CN106092737B CN201610676376.3A CN201610676376A CN106092737B CN 106092737 B CN106092737 B CN 106092737B CN 201610676376 A CN201610676376 A CN 201610676376A CN 106092737 B CN106092737 B CN 106092737B
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- pressing plate
- screw rod
- battery module
- power battery
- side plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- 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)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides a kind of device for power battery module side plate tension test, including pedestal and hold down assembly；The pedestal is fixed on testing stand, and the pedestal is equipped with threaded hole；The screw rod to hold down assembly including being vertically arranged and the pressing plate for being horizontally installed to the screw rod lower end, the upper end of the screw rod is pierced by from the threaded hole and the screw rod is threadedly coupled with the threaded hole, between the pedestal and the testing stand, the pressing plate can transfer to move up and down the pressing plate with the screw rod in the threaded hole inward turning.The present apparatus is fixed on testing stand, power battery module can accurately be fixed and be pushed down, can greatly improve the accuracy of tension test.
Description
Technical field
The present invention relates to electric car field more particularly to a kind of dresses for power battery module side plate tension test
It sets.
Background technique
China is in the energy conversion period of vehicle at present, and new energy vehicle currently increasingly increases, in each large enterprises
In, the safety of new energy vehicle has been to be concerned by more and more people.Power battery module is come as the power of new energy vehicle
Source, importance is self-evident, so safety detection is carried out to the various pieces of power battery module, when ensuring to dispatch from the factory
Safety compliance.In every detection of power battery module, tension test is carried out to the welding performance of mould group side plate, being must not
The detection that can lack, it is generally the case that need to intercept mould group side plate, only retain one block of side plate and one piece of end plate welding
The L shape weldment formed together carries out tension test detection as sample.End plate is generally lain against testing stand by the prior art
On, then with a block pressur plate end plate is pushed down, the two sides of pressing plate are respectively screwed into a bolt and are fixedly connected with testing stand, by test block pressure
Firmly, then side plate is clamped with the clamp head of cupping machine again, carries out tension test.Although this mode structure is simple,
It is the accuracy for the position that this mode not can guarantee mould group side plate, does not also can guarantee uniform stressed during tension test, presss from both sides
Also the center that holotype group side plate can not be pressed from both sides when tool clamping mould group side plate, so testing result error is very big, even
Measurement meaning can sometimes be lost；On the other hand, since pressing plate often only pushes down a part of mould group side plate, so being examined
It will also result in result inaccuracy when survey, also will cause the possibility that directly mould group side plate shell is broken.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of dresses for power battery module side plate tension test
It sets, the present apparatus is fixed on testing stand, power battery module can accurately be fixed and be pushed down, can greatly improve tension test
Accuracy.
The technical scheme to solve the above technical problems is that the present invention provides one kind for power battery module side
The device of plate stretching test, unlike the prior art, including pedestal and holds down assembly；The pedestal is fixed on testing stand
On, the pedestal is equipped with threaded hole；It the screw rod to hold down assembly including being vertically arranged and is horizontally installed under the screw rod
The upper end of the pressing plate at end, the screw rod is pierced by from the threaded hole and the screw rod is threadedly coupled with the threaded hole, institute
Pressing plate is stated between the pedestal and the testing stand, the pressing plate can be with the screw rod on the threaded hole inward turning is transferred
Lower movement.
The invention has the advantages that after pedestal is fixed on testing stand, on the base by the screw rod in holding down assembly
Threaded hole in rotate, can move up and down with dynamic pressure plate, power battery module side plate can be then compacted.
Test only needs after first moving up pressing plate by rotary screw every time, and the horizontal component of power battery module side plate is inserted into pressing plate
With testing stand bracket, then adjusting screw rod, mould group side plate is pushed down with pressing plate, tension test can be carried out.This mode is due to base
Seat remains motionless, so the position of mould group side plate can keep same when testing every time, fixture need to only be adjusted once, together
When, since pressing plate can move up and down, it is possible to which the tension test for adapting to the mould group side plate of plurality of specifications thickness facilitates reality
With, while substantially increasing the accuracy of tension test.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the pedestal includes two vertical plates being oppositely arranged and the transverse slat being connected between two vertical plates,
The vertical plate is fixed on the testing stand, and the threaded hole is offered on the transverse slat；The pressing plate be located at the transverse slat with
Between the testing stand, the power battery module side plate is placed between two vertical plates and is pushed down by the pressing plate.
Beneficial effect using above-mentioned further technical solution is, power battery module side plate can by two vertical plates into
Row guiding, it is ensured that the center of mould group side plate is always positioned at the middle of two vertical plates, is conducive to pressing plate and is more accurately pressed in mould
The surface of group side plate, is more conducive to the accuracy of tension test detection.
Further, the pressing plate is rectangle, offers guide groove compatible with the pressing plate, institute on the inside of two vertical plates
The both ends for stating pressing plate are placed in the guide groove, and the pressing plate can move up and down in the guide groove.
Beneficial effect using above-mentioned further technical solution is to pass through the guide groove on the inside of two vertical plates, it can be ensured that pressure
Plate can be moved up and down vertically, meanwhile, guide groove swings when can also preventing pressing plate from being compressed, it is ensured that square
Shape pressing plate can be reliable and stable and vertical always carry out compression operation.
Further, described hold down assembly further includes platen and connecting plate；The platen is fixedly connected with the screw rod bottom；
The connecting plate offers through-hole, and the connecting plate by the through-hole is sheathed on the outside of the screw rod lower end and by the pressure
Disk is pushed down, and the connecting plate is fixedly connected with the pressing plate, and the platen is between the connecting plate and the pressing plate；It is described
Screw rod can drive the platen to rotate freely relative to the pressing plate.
Beneficial effect using above-mentioned further technical solution is, since pressing plate can only move up and down in guide groove, so
To facilitate installation, by pressing plate design seperated with screw rod, and in order to increase forced area, it is connect in advance with screw rod with platen,
Pressing plate is pushed down with platen again, then is attached platen and pressing plate with connecting plate, so that platen can pass through connecting plate after moving up
Pressing plate is lifted.
Further, the platen is circle, and the pressing plate upper surface is equipped with the groove being adapted with the platen outer diameter.
Beneficial effect using above-mentioned further technical solution is, will since screw rod needs that platen is driven to make rotating motion
Design of platens is circle, it can be ensured that platen uniformly presses to pressing plate, while being also convenient for rotary motion, is arranged in pressing plate upper surface
Platen, can first be placed in the groove by the groove being adapted with the platen outer diameter during installation, be easily installed to just, separately
Outside, since platen needs to relatively rotate on pressing plate, so being bound to generate friction, after being processed into groove, machined surface is formed, slightly
Rugosity reduces, and can not only reduce friction, and can guarantee good levelness, vertically depress conducive to by pressing plate, is drawn with improving
Stretch the accuracy of detection.
Further, the upper surface of the screw rod is equipped with linear type slot or cross bath or interior hex shaped groove.
Beneficial effect using above-mentioned further technical solution is, first is that needing when installation from the screw thread on pedestal
Hole being pierced by from bottom to top, designs linear type slot or cross bath or interior hex shaped groove can be convenient operator from threaded hole
Top is protruded into using screwdriver or other tools, and screw rod is screwed out above pedestal.
Further, described hold down assembly further includes the first nut and the second nut, first nut and second spiral shell
Mother connect with the screw flight, and the two is located next to be combined on the upper end of the screw rod.
Beneficial effect using above-mentioned further technical solution is that after screw rod is screwed out pedestal, two nuts are combined on
Screw rod, and being located next to thus can turn different nuts with spanner when carrying out pressing operation or appearing on the stage and operate and carry out reality
It is existing, when needing to push, the nut in portion is screwed on, when needing to appear on the stage, backs out the nut in face, the two locking nut each other, certainly
It needs to determine according to the rotation direction of screw thread, but principle is consistent.
Further, two vertical plates and the transverse slat form H-shaped structure.
Beneficial effect using above-mentioned further technical solution is after forming H-shaped structure, to can be convenient mould group side plate from two
A direction is inserted into, and installation is freely.
Further, it being respectively fixedly connected on the outside of two vertical plates there are two mounting ear, the mounting ear offers mounting hole,
It is inserted into the mounting hole by bolt and the pedestal is fixed on the testing stand.
Beneficial effect using above-mentioned further technical solution is to be easily installed fixation, and reliable and stable.
Further, the threaded hole is set to the center of the transverse slat.
Beneficial effect using above-mentioned further technical solution is by threaded hole setting behind connecting plate center, can to do
For a base position of whole device, can be carried out as benchmark when mould group side plate being installed and fixture is looked for
Positioning, to improve the accuracy of tension test.
Detailed description of the invention
Fig. 1 is a kind of peace of device for power battery module side plate tension test provided by the present invention at work
Fill schematic diagram；
Fig. 2 is a kind of top view of the device for power battery module side plate tension test provided by the present invention；
Fig. 3 be along Fig. 2 A-A to schematic cross-sectional view；
Fig. 4 is the schematic cross-sectional view of the B-B direction along Fig. 2；
After Fig. 5 is a kind of local cutting of the device for power battery module side plate tension test provided by the present invention
Schematic perspective view；
Fig. 6 is that a kind of disassemblying structure of the device for power battery module side plate tension test provided by the present invention shows
It is intended to.
In attached drawing, parts list represented by the reference numerals are as follows:
1, pedestal, 2, hold down assembly, 3, testing stand, 4, power battery module side plate, 11, threaded hole, 12, vertical plate, 13, horizontal
Plate, 21, screw rod, 22, pressing plate, 23, platen, 24, connecting plate, the 25, first nut, the 26, second nut, 121, mounting ear, 122,
Mounting hole, 123, guide groove, 221, groove, 240, through-hole.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1 and Figure 6, Fig. 1 is provided by the present invention a kind of for power battery module side plate tension test
The scheme of installation of device at work；Fig. 2 is provided by the present invention a kind of for the tension test of power battery module side plate
Device top view；Fig. 3 be along Fig. 2 A-A to schematic cross-sectional view；Fig. 4 is the schematic cross-sectional view of the B-B direction along Fig. 2；Figure
5 be the stereochemical structure after a kind of local cutting of the device for power battery module side plate tension test provided by the present invention
Schematic diagram；Fig. 6 is that a kind of disassemblying structure of the device for power battery module side plate tension test provided by the present invention shows
It is intended to.
In a kind of device for power battery module side plate tension test provided by the present invention, including pedestal 1 and pressure
Tight component 2；The pedestal 1 is fixed on testing stand 3, and the pedestal 1 is equipped with threaded hole 11；The threaded hole 11 is set to transverse slat
13 center.
2 pressing plates 22 for including the screw rod 21 that is vertically arranged and being horizontally installed to 21 lower end of screw rod that hold down assembly,
The upper end of the screw rod 21 is pierced by from the threaded hole 11 and the screw rod 21 is threadedly coupled with the threaded hole 11, described
For pressing plate 22 between the pedestal 1 and the testing stand 3, the pressing plate 22 can be with the screw rod 21 in the threaded hole 11
It rotates and moves up and down.
The pedestal 1 includes two vertical plates 12 being oppositely arranged and the transverse slat 13 being connected between two vertical plates 12,
The vertical plate 12 is fixed on the testing stand 3, and the threaded hole 11 is offered on the transverse slat 13；The pressing plate 22 is located at institute
It states between transverse slat 13 and the testing stand 3, the power battery module side plate 4 is placed between two vertical plates 12 by the pressure
Plate 22 is pushed down.
The distance between two vertical plates 12 can be set according to the width of power battery module side plate 4, solid in order to position
It is fixed.
The pressing plate 22 is rectangle, offers guide groove 123 compatible with the pressing plate 22 on the inside of two vertical plates 12,
The both ends of the pressing plate 22 are placed in the guide groove 123, and the pressing plate 22 can move up and down in the guide groove 123.For
Realize that accurate realize moves up and down vertically, the both ends of guide groove 123 and pressing plate 22 can suitably be cooperated required precision into
Row processing, specific required precision can be determined according to the actual needs of the site.
Described hold down assembly 2 further includes platen 23 and connecting plate 24；The platen 23 is set to the pressing plate 22 and the spiral shell
Between bar 21, and the platen 23 is fixedly connected with 21 bottom of screw rod；The platen 23 is round, on the pressing plate 22
Surface is equipped with the groove 221 being adapted with 23 outer diameter of platen.The diameter of platen 23 is larger as far as possible, to increase pair
The pressure area of pressing plate.
The connecting plate 24 offers through-hole 240, and the connecting plate 24 is sheathed on the screw rod 21 by the through-hole 240
Outside, and the connecting plate 24 is fixedly connected with the pressing plate 22, and the platen 23 is located at the connecting plate 24 and the pressure
Between plate 22；The screw rod 21 can drive the platen 23 to rotate freely relative to the pressing plate 22.
The upper surface of the screw rod 21 is equipped with linear type slot or cross bath, is also possible to interior hex shaped groove.
Described hold down assembly 2 further includes the first nut 25 and the second nut 26, first nut 25 and second spiral shell
Mother 26 is threadedly coupled with the screw rod 21, and the two is located next to be combined on the upper end of the screw rod 21.It loosens in order to prevent, it can also
Two nuts to be welded with screw rod, to ensure to fix after two nuts are twisted in the suitable position of height.
Two vertical plates 12 form H-shaped structure with the transverse slat 13.
Two 12 outsides of vertical plate are respectively fixedly connected there are two mounting ear 121, and the mounting ear 121 offers mounting hole
122, it is inserted into the mounting hole 122 by bolt and the pedestal 1 is fixed on the testing stand 3.
When needing to carry out tension test, the present apparatus after assembly is first fixed on testing stand 3 by four mounting ears 121
On, then by under the horizontal segment insertion pressing plate 22 of L shape power battery module side plate 4 to be tested, vertical section is abutted to the side of pressing plate
Part to be measured is compressed, then adjusts the clamp head of cupping machine, find power battery module accurately by face, rotary screw, band dynamic pressure plate
The medium position of 4 vertical section of side plate, is clamped, and can carry out tension test, when carrying out tension test next time, whole device
And the position of clamp head is relatively fixed, is just not required to be adjusted, greatly improves convenience.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of device for power battery module side plate tension test, which is characterized in that including pedestal (1) and hold down assembly
(2)；
The pedestal (1) is fixed on testing stand (3), and the pedestal (1) is equipped with threaded hole (11)；
Hold down assembly (2) include the screw rod (21) being vertically arranged and the pressing plate for being horizontally installed to the screw rod (21) lower end
(22), the upper end of the screw rod (21) is pierced by and the screw rod (21) and the threaded hole (11) from the threaded hole (11)
It is threadedly coupled, for the pressing plate (22) between the pedestal (1) and the testing stand (3), the pressing plate (22) can be with described
Screw rod (21) transfers to move up and down in the threaded hole (11) inward turning；
Hold down assembly (2) further include platen (23) and connecting plate (24), the platen (23) and the screw rod (21) bottom
It is fixedly connected；
The connecting plate (24) is fixedly connected with the pressing plate (22), the platen (23) be located at the connecting plate (24) with it is described
Between pressing plate (22)；The screw rod (21) can drive the platen (23) to rotate freely relative to the pressing plate (22).
2. a kind of device for power battery module side plate tension test according to claim 1, which is characterized in that institute
State the transverse slat (13) that pedestal (1) includes two vertical plates being oppositely arranged (12) and is connected between two vertical plates (12), institute
It states vertical plate (12) to be fixed on the testing stand (3), offers the threaded hole (11) on the transverse slat (13)；The pressing plate
(22) between the transverse slat (13) and the testing stand (3), power battery module side plate (4) to be tested is placed in two institutes
It states between vertical plate (12) and is pushed down by the pressing plate (22).
3. a kind of device for power battery module side plate tension test according to claim 2, which is characterized in that institute
Stating pressing plate (22) is rectangle, offers compatible guide groove (123), institute with the pressing plate (22) on the inside of two vertical plates (12)
The both ends for stating pressing plate (22) are placed in the guide groove (123), and the pressing plate (22) can move down on the guide groove (123) is interior
It is dynamic.
4. a kind of device for power battery module side plate tension test according to claim 3, which is characterized in that
The connecting plate (24) offers through-hole (240), and the connecting plate (24) is sheathed on the spiral shell by the through-hole (240)
Simultaneously the platen (23) is pushed down in the outside of bar (21) lower end；
Hold down assembly (2) further include the first nut (25) and the second nut (26), first nut (25) and described
Two nuts (26) are threadedly coupled with the screw rod (21), and the two is located next to be combined on the upper end of the screw rod (21)；
Two vertical plates (12) and the transverse slat (13) form H-shaped structure.
5. a kind of device for power battery module side plate tension test according to claim 4, which is characterized in that institute
Platen (23) are stated as circle, pressing plate (22) upper surface is equipped with the groove (221) being adapted with the platen (23) outer diameter.
6. a kind of device for power battery module side plate tension test according to any one of claims 2 to 5, special
Sign is that the upper surface of the screw rod (21) is equipped with linear type slot or cross bath or interior hex shaped groove.
7. a kind of device for power battery module side plate tension test according to claim 4, which is characterized in that two
It is respectively fixedly connected on the outside of a vertical plate (12) there are two mounting ear (121), the mounting ear (121) offers mounting hole
(122), it is inserted into the mounting hole (122) by bolt and the pedestal (1) is fixed on the testing stand (3).
8. a kind of device for power battery module side plate tension test according to claim 4, which is characterized in that institute
State the center that threaded hole (11) are set to the transverse slat (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676376.3A CN106092737B (en) | 2016-08-16 | 2016-08-16 | A kind of device for power battery module side plate tension test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676376.3A CN106092737B (en) | 2016-08-16 | 2016-08-16 | A kind of device for power battery module side plate tension test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106092737A CN106092737A (en) | 2016-11-09 |
| CN106092737B true CN106092737B (en) | 2019-01-22 |
Family
ID=58069625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610676376.3A Active CN106092737B (en) | 2016-08-16 | 2016-08-16 | A kind of device for power battery module side plate tension test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106092737B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724062B (en) * | 2018-06-07 | 2019-11-08 | 上海空间推进研究所 | Hold-down mechanism component |
| CN110514517B (en) * | 2019-06-25 | 2022-07-12 | 盐城国合瀚能科技有限公司 | Device applied to tensile test of side plate of power battery module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202137595U (en) * | 2011-06-03 | 2012-02-08 | 哈尔滨飞机工业集团有限责任公司 | Special bending force compactor for machine tool |
| CN102699147A (en) * | 2012-06-13 | 2012-10-03 | 苏州市达圣机械有限公司 | Shaping tool |
| CN202903467U (en) * | 2012-10-25 | 2013-04-24 | 内蒙古大唐国际托克托发电有限责任公司 | Bulge test bed used for welding-connection valve |
| CN203141018U (en) * | 2013-01-30 | 2013-08-21 | 安徽维麦科斯机械制造有限公司 | I-shaped steel fixing work support |
| CN205958358U (en) * | 2016-08-16 | 2017-02-15 | 北京普莱德新能源电池科技有限公司 | A device for power battery module curb plate tensile test |
-
2016
- 2016-08-16 CN CN201610676376.3A patent/CN106092737B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202137595U (en) * | 2011-06-03 | 2012-02-08 | 哈尔滨飞机工业集团有限责任公司 | Special bending force compactor for machine tool |
| CN102699147A (en) * | 2012-06-13 | 2012-10-03 | 苏州市达圣机械有限公司 | Shaping tool |
| CN202903467U (en) * | 2012-10-25 | 2013-04-24 | 内蒙古大唐国际托克托发电有限责任公司 | Bulge test bed used for welding-connection valve |
| CN203141018U (en) * | 2013-01-30 | 2013-08-21 | 安徽维麦科斯机械制造有限公司 | I-shaped steel fixing work support |
| CN205958358U (en) * | 2016-08-16 | 2017-02-15 | 北京普莱德新能源电池科技有限公司 | A device for power battery module curb plate tensile test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106092737A (en) | 2016-11-09 |
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