CN205580874U - Welding strength test fixture - Google Patents
Welding strength test fixture Download PDFInfo
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- CN205580874U CN205580874U CN201620410025.3U CN201620410025U CN205580874U CN 205580874 U CN205580874 U CN 205580874U CN 201620410025 U CN201620410025 U CN 201620410025U CN 205580874 U CN205580874 U CN 205580874U
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Abstract
The utility model discloses a welding strength test fixture, include: the holder, the holder sets up and detachable fixed connection's first holder and second holder including relative, seted up matched with centre gripping recess respectively on the first holder terminal surface relative with the second holder, and the outer surface profile of centre gripping recess on one side of the workpiece for measurement welding seam is the same, set up in the clamp plate of the centre gripping recess notch of first holder and second holder end, offer on the clamp plate with the clamp plate recess that outer surface profile is the same of workpiece for measurement welding seam opposite side, offer on the holder and be used for limiting the spacing recess that the clamp plate moved the route. Use the utility model provides a welding strength test fixture, the anchor clamps volume is less, and the assembly is simple, convenient operation. Overall structure processes conveniently, and the cost is lower. Test effectiveness is stable, and then through less input, realizes the high efficiency, portably tests product welding strength's purpose.
Description
Technical field
This utility model relates to detection technique field, more particularly, it relates to a kind of weld strength test
Fixture.
Background technology
Diamond compact is to use diadust and hard alloy substrate under the conditions of high pressure high temperature
Sintering forms, and has both had the high rigidity of diamond, high-wearing feature and heat conductivity, has had again hard alloy
Intensity and toughness, be to manufacture cutting tool, drilling bit and the ideal of other wear resistant tools
Material.Diamond compact is complicated and relatively costly because of assembling, synthesis and processing technique, composite sheet factory
The product of business is difficult to meet different client's demand to products of different specifications size, therefore derives gold
Hard rock composite sheet is welded with hard alloy substrate and is met the diversified demand of client.
Diamond compact has a variety of with the welding method of hard metal tip, common are: vacuum is rubbed
Wipe weldering, sensing lap welding, vacuum brazing etc..Wherein, relatively conventional is vacuum brazing.Vacuum brazing
Will be placed in vacuum environment by welded part, apply corresponding solder by two kinds of same or like materials
Sample welds together.Although using vacuum brazing to some extent solve different vendor to Buddha's warrior attendant
The demand of stone compact size, but the shearing resistance of product and bending strength it is difficult to ensure that, in order to meet gold
The use requirement that hard rock composite sheet down-hole is harsh, needs to test weld strength.
But, owing to diamond compact size is less, and dimensions is different, thus to test clip
Tool and test environment require higher.Prior art does not has the fixture for diamond compact or sets
Standby, by the weld strength of conventional intensity test equipment Inspection diamond compact, difficulty of test is relatively big,
Put into higher.
In sum, how to efficiently solve that diamond compact weld strength difficulty of test is big, operation
Complicated, high in cost of production problem, is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of weld strength test fixture, this weldering
The structure design connecing strength test fixture can efficiently solve diamond compact weld strength test difficulty
The problem that degree is big, operation is complicated, cost is high.
In order to achieve the above object, the following technical scheme of this utility model offer:
A kind of weld strength test fixture, including:
Holder, described holder includes being oppositely arranged and the first holder of dismountable fixing connection
The end face relative with the second holder, described first holder and the second holder offers respectively and matches
The clamp groove closed, and described clamp groove is identical with the external surface shape of workpiece for measurement weld seam side；
It is arranged at the pressing plate of the clamp groove notch end of described first holder and the second holder, described
The pressing plate groove identical with the external surface shape of workpiece for measurement weld seam opposite side is offered on pressing plate, described
The limited impression for limiting described pressing plate mobile route is offered on holder.
Preferably, in above-mentioned weld strength test fixture, described first holder includes the first grip block
With fixing lid, described fixing covers the fixing lid groove offered for placing described first grip block；
Described second holder includes the second grip block and base, and described base offers for placing
The base groove of described second grip block；
Described first grip block and the relative end face of the second grip block offer described clamp groove respectively,
Described fixing lid is dismountable with described base fixing to be connected.
Preferably, in above-mentioned weld strength test fixture, described base is L-shaped, offering of L-shaped
Having described limited impression, another side offers described base groove and is connected with described fixing lid.
Preferably, in above-mentioned weld strength test fixture, the end face of described fixing lid and described base
Either flush.
Preferably, in above-mentioned weld strength test fixture, described fixing lid groove and described base groove
It is along the axially arranged open slot of described workpiece for measurement.
Preferably, in above-mentioned weld strength test fixture, described base is at described base groove width
The separate split-type structural in direction, described fixing lid is for divide in corresponding described fixing lid recess width direction
The split-type structural opened.
Preferably, in above-mentioned weld strength test fixture, the described clamp groove of described first holder
With the thickness that the total depth of the described clamp groove of the second holder is less than described workpiece for measurement.
Preferably, in above-mentioned weld strength test fixture, the described clamp groove of described first holder
Deep equality with the described clamp groove of described second holder.
The weld strength test fixture that this utility model provides includes holder and pressing plate.Wherein, clamping
Part includes the first holder and the second holder, and the two is oppositely arranged, and opens respectively on relative end face
Being provided with clamp groove, the shape of clamp groove is identical with the external surface shape of workpiece for measurement weld seam side,
Clamp groove on first holder matches with the clamp groove on the second holder with to workpiece for measurement
Clamping.Pressing plate is arranged at the notch end of the clamp groove of the first holder and the second holder, on pressing plate
Offer the pressing plate groove identical with workpiece for measurement external surface shape, so that workpiece for measurement is applied active force.
The limited impression for limiting pressing plate mobile route is offered on holder.
During the weld strength test fixture that application this utility model provides, by the first holder and second
Workpiece for measurement can be clamped by holder easily.And this fixture small volume, assembling is simple, operation
Convenient.Overall structure is easy to process, and cost is relatively low.And by this fixture effectively to Workpiece clamping to be measured,
And External Force Acting is acted on workpiece for measurement in pressing plate, pressing plate along limited impression so that test effect is steady
Fixed, and then by less input, it is achieved the purpose efficient, simplicity carries out Product jointing strength test.
In a preferred embodiment, the weld strength test fixture that this utility model provides, its
First holder includes the first grip block and fixing lid, and the second holder includes the second grip block and base,
By the first grip block and the second grip block easily to Workpiece clamping to be measured, and by fixing lid and the end
First grip block and the second grip block are clamped by seat, easy and simple to handle while, it is simple to grip block is carried out
Change, facilitate quenched.Product for different size can be selected for corresponding different grip block, folder
Tool versatility is good.And by holder is set to split-type structural, it is ensured that while mechanical strength,
Be conducive to reducing further fixture production cost.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below
The accompanying drawing used required in embodiment or description of the prior art will be briefly described, it is clear that
Ground, the accompanying drawing in describing below is only embodiments more of the present utility model, common for this area
From the point of view of technical staff, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Other accompanying drawing.
The assembling of a kind of detailed description of the invention of weld strength test fixture that Fig. 1 provides for this utility model
Structural representation；
Fig. 2 is the detonation configuration schematic diagram of Fig. 1；
Fig. 3 is the understructure schematic diagram in Fig. 1；
Fig. 4 is the structural representation of the fixing lid in Fig. 1；
Fig. 5 is the structural representation of the grip block in Fig. 1.
In accompanying drawing, labelling is as follows:
First holder 1, the second holder 2, pressing plate 3, clamp groove 4, limited impression 5, work to be measured
Part 6, the first grip block 11, fixing lid 12, fixing lid groove 121, the second grip block 21, base 22,
Base groove 221, pressing plate groove 31.
Detailed description of the invention
This utility model embodiment discloses a kind of weld strength test fixture, compound to reduce diamond
Sheet weld strength difficulty of test, convenient to operate, reduce cost.
Below in conjunction with the accompanying drawing in this utility model embodiment, to the skill in this utility model embodiment
Art scheme is clearly and completely described, it is clear that described embodiment is only this utility model
A part of embodiment rather than whole embodiments.Based on the embodiment in this utility model, ability
The every other embodiment that territory those of ordinary skill is obtained under not making creative work premise,
Broadly fall into the scope of this utility model protection.
Refer to a kind of concrete reality of weld strength test fixture that Fig. 1-Fig. 5, Fig. 1 provide for this utility model
Execute the assembling structural representation of mode；Fig. 2 is the detonation configuration schematic diagram of Fig. 1；Fig. 3 is the end in Fig. 1
Holder structure schematic diagram；Fig. 4 is the structural representation of the fixing lid in Fig. 1；Fig. 5 is the grip block in Fig. 1
Structural representation.
In a kind of detailed description of the invention, the weld strength test fixture that this utility model provides, it is used for
Diamond compact, including holder and pressing plate 3.
Wherein, holder includes the first holder 1 and the second holder 2, and the two is oppositely arranged, and phase
To end face on offer clamp groove 4 respectively, the shape of clamp groove 4 and workpiece for measurement 6 weld seam side
External surface shape identical, namely with the shape of workpiece for measurement 6 bare terminal end just as.Cylinder is treated
Surveying for workpiece 6, clamp groove 4 is set to circular groove, and the radius of curvature of circular arc and work to be measured
The radius of part 6 is identical.Clamp groove 4 on first holder 1 and the clamp groove 4 on the second holder 2
Match workpiece for measurement 6 is clamped.It should be noted that the shape of clamp groove 4 and workpiece for measurement 6
The inner surface of the external surface shape identical finger clamp groove 4 of weld seam side can with workpiece for measurement 6 fit with
Clamped, namely the shape of clamp groove 4 and the local shape of workpiece for measurement 6 weld seam one side external surface
Shape is identical.As a example by diamond compact weldment, weld seam side is diamond compact, separately
Side is substrate.Holder is for clamping the side of weldment weld seam, usually diamond compact side.
Thus the first holder 1 is identical with diamond compact shape with the clamp groove 4 on the second holder 2.
First holder 1 and the dismountable fixing connection of the second holder 2, and then workpiece for measurement 6 is positioned over folder
After holding groove 4, connect the first holder 1 and the second holder 2 to be clamped, it is simple to follow-up test.
Pressing plate 3 is arranged at first holder 1 and one end of the second holder 2, is namely arranged at holder
On the notch end of clamp groove 4.Offer on pressing plate 3 and workpiece for measurement 6 weld seam opposite side outer surface shape
The pressing plate groove 31 that shape is identical is i.e. identical, with to workpiece for measurement with the non-clamping end shape of workpiece for measurement 6
6 apply active force.During test diamond compact weldment, pressing plate 3 general action is in carbide matrix
On sheet, to shear welding substrate.Offer on holder for limiting the spacing recessed of pressing plate 3 mobile route
Groove 5.Thus during detection, pressing plate 3 moves along limited impression 5 until its pressing plate groove 31 and workpiece for measurement 6
Fitting, under the driving of pressure apparatus, pressing plate 3 applies active force to workpiece for measurement 6, welds it
Intensity detects.
What weld strength test was general applies shearing to workpiece for measurement 6, therefore arranges limited impression 5 and clamping
The central axis of groove 4, thus workpiece for measurement 6 is clamped the effect that rear fender 3 can be vertical by holder
In workpiece for measurement 6.The side of weld seam is fixedly clamped by holder, opposite side compression plate 3 shearing action,
Until welding ends is cut off.The general two ends of clamp groove 4 are open slot, to be applicable to different length
Workpiece.
During the weld strength test fixture that application this utility model provides, by the first holder 1 and second
Workpiece for measurement 6 can be clamped by holder 2 easily.And this fixture small volume, assembling is simple, behaviour
Facilitate.Overall structure is easy to process, and cost is relatively low.And effectively workpiece for measurement 6 is pressed from both sides by this fixture
Tightly, and External Force Acting is acted on workpiece for measurement 6 in pressing plate 3, pressing plate 3 along limited impression 5 so that survey
Examination effect stability, and then by less input, it is achieved efficient, simplicity carries out Product jointing intensity survey
The purpose of examination.
Concrete, the first holder 1 includes the first grip block 11 and fixing lid 12, and fixing lid 12 is offered
There is the fixing lid groove 121 for placing the first grip block 11；Second holder 2 includes the second grip block
21 and base 22, base 22 offers the base groove 221 for placing the second grip block 21；First
The end face that grip block 11 is relative with the second grip block 21 offers clamp groove 4 respectively, fixing lid 12 and the end
Seat 22 dismountable fixing connections.Namely the first holder 1 and the second holder 2 are split type knot
Structure, fixing lid 12 coordinates with base 22, and clamp groove 4 is opened on grip block, by fixing lid 12 and
The dismountable fixing connection of base 22, applies active force, and then the first grip block 11 and the to grip block
Two grip blocks 21 coordinate and are clamped by workpiece for measurement 6.Base 22 acts primarily as the work supporting and assembling other accessories
With, what fixing lid 12 was concrete with base 22 can be with bolts, such as M10 screw.Certainly, according to
What needs can also use other routines is detachably fixed connected mode, such as snap close connection etc..By first
Holder 1 and the second holder 2 are set to split-type structural, in that context it may be convenient to change grip block, and then
Grip block is impaired etc. need to change time, it is not necessary to integral replacing fixture, save Financial cost.Meanwhile,
For the workpiece for measurement 6 of different size, the grip block of corresponding different size can be set, as
Offer the groove of corresponding specification on grip block, and then when different size workpiece for measurement 6 is detected, only need more
Change different grip blocks, meet the test request of products of different specifications, fixture versatility easily
Good.And by holder is set to split-type structural, it is ensured that while mechanical strength, be conducive to into
One step reduces fixture production cost.As base 22 and fixing lid 12 use 304 stainless steels, processing cost
Low, antirust easily arrange.Grip block small volume is easily changed, and facilitates quenched, and whole cost is relatively low and machine
Tool good strength.General, grip block quenching and tempering hardness >=HRC65, it is used for clamping welding product.Pressure
Modulation hardness >=the HRC65 of plate 3 is identical with grip block hardness.
Further, base 22 is L-shaped, L-shaped offer limited impression 5, another side offers
Base groove 221, fixing lid 12 is connected with another side.Namely base 22 includes horizontal part and vertical portion,
General base 22 is integral type structure, can also be set to split type by base 22 the most as required
Structure, horizontal part is connected by conventional fixing connected mode with vertical portion.Base groove 221 is opened in
On horizontal part, fixing lid 12 is connected with horizontal part, and the fixing lid groove 121 on fixing lid 12 is recessed with base
Groove 221 matches.Limited impression 5 is opened on vertical portion, the most vertical with the clamp groove 4 of grip block
Arrange, so that workpiece for measurement 6 is applied shear force.Be arranged such, it is simple to coordinating of fixing lid 12,
Simple in construction, takes up room less.
Further, the fixing end face covering 12 and the either flush of base 22.Namely by fixing lid
12 are arranged on horizontal part, and make the end face of fixing lid 12 and the either flush of base 22 vertical portion,
Thus Appropriate application space, reduce space hold.Concrete, it is also possible to the side of fixing lid 12 is set
The side also flush of face and base 22, and then the two entirety can form rectangular configuration, structure is more advised
Whole, reduce fixture corner angle, structure is the simplest.
Concrete, fixing lid groove 121 and base groove 221 are along axially arranged the opening of workpiece for measurement 6
Mouth groove.The installation of grip block is easy in the setting of open slot, simultaneously facilitate adjust grip block position and then
Adjust the position of workpiece for measurement 6.Certainly, fixing lid groove 121 and base can also be set as required
The shape size of groove 221 is identical with respective clamp block, by fixing lid groove 121 and base groove 221
The displacement of grip block can be limited.
In order to make fixture have more preferable versatility, to be applicable to the grip block of different form-factor, can
So that base 22 is set to split-type structural, including along base groove 221 width separate first end
Seat and the second base, and then the width of base groove 221 can be changed by the distance regulating the two, with
Adapt to the grip block of different in width.Accordingly, fixing lid 12 is also configured as split-type structural, with right
Base 22 is answered to coordinate.It is included in the fixing fixing lid of lid groove 121 width separate first and second admittedly
Fixed lid, and then the width of fixing lid groove 121 can be changed by the distance regulating the two, with base
Groove 221 coordinates, and is clamped by the grip block of different size.
On the basis of the various embodiments described above, in order to preferably clamping workpiece for measurement 6, the first clamping
The total depth of the clamp groove 4 of part 1 and the clamp groove 4 of the second holder 2 is less than the thickness of workpiece for measurement 6
Degree.Holder namely carries out pretension process, and concrete can be in the first holder 1 and the second clamping
The end surface symmetric that part 2 is relative cut preset height, such as 1mm so that the two clamp groove 4 formed
The height of grasping part is less than the height of workpiece for measurement 6, to ensure Workpiece clamping.Certainly, concrete
The concrete degree of depth of the clamp groove 4 of the first holder 1 and the clamp groove 4 of the second holder 2 can be according to reality
Border needs to be configured so that it is can clamp workpiece for measurement 6, be not especially limited herein.
For symmetrical workpiece, clamp groove 4 and second clamping of the first holder 1 is typically set
The deep equality of the clamp groove 4 of part 2, and the two the degree of depth and less than the height of workpiece for measurement 6, the most just
Be clamp groove 4 the degree of depth less than 1/2nd workpieces for measurement 6 height, preferably to clamp workpiece.
When using above-mentioned weld strength test fixture clamping workpiece for measurement to carry out weld strength test, including
Step:
S1: labelling clamping border at weld seam predetermined width described in a lateral extent of workpiece for measurement weld seam；
Concrete predetermined width can be configured according to practical situation, typically may be configured as 1mm, logical
Cross labelling and be easy to being accurately positioned of workpiece for measurement.
S2: described workpiece for measurement is placed in the limited impression of the first holder and the second holder, makes
The coincident of described clamping border and described limited impression, described weld seam be positioned at described limited impression with
Outward；Connect described first holder and the second holder to be clamped by described workpiece for measurement；
S3: pressing plate applies active force along limited impression to described workpiece for measurement, until described workpiece for measurement
Rupturing in commissure, reads pressure during fracture；
S4: obtain the weld strength of described workpiece for measurement according to described calculation of pressure.
Using above-mentioned weld strength method of testing, easy and simple to handle, fixture cost is relatively low, and then reduces weldering
Connect strength test cost, and test effect stability, and then by less input, it is achieved efficient, simple
Just the purpose of Product jointing strength test is carried out.
Further, when workpiece for measurement is the weldment of diamond compact and hard alloy substrate, on
State step S1 particularly as follows:
At weld seam predetermined width described in diamond compact one lateral extent of described weldment described in labelling
Clamping border.Namely holder clamping diamond compact during test.
As a example by diamond compact with the weldment weld strength test of hard alloy substrate, concrete
Testing procedure is as follows:
S101: welding product diameter is worked into the size matched with fixture, preferably product
Finished size so that detection is closer to real use state；
S102: determine by pressure holding end, diamond compact and substrate permissible according to the height of welding substrate
It is respectively facing both direction, selects diamond compact to slot direction towards grip block under normal circumstances,
I.e. clamp groove direction, allows diamond layer fall completely within groove, when preventing because of test pressure holding, product
Resistance cuts off diamond layer；
S103: with laser marking machine away from solder side towards diamond layer one end 1mm position mark (only
Naked eyes are visible, without apparent depth), during welding product clamping, graticule and grip block sideline overlap, i.e.
Overlapping with clamp groove sideline, grip block and fixing lid sideline overlap, it is achieved welding product is accurately positioned；
S104: be fastened and fixed lid screw, it is achieved the firm clamping of welding product；
S105: be placed on immediately below hydraulic press by the fixture being fully assembled, opens hydraulic press, allows oil
Press just contacts pressing plate, now observes the change of digital display manometric pressure, it is ensured that Pressure gauge numerical value shows
(digital display manometer is according to hydraulic press parameter and the precision and the amount that need to select coupling of sample to be shown as 0
Journey, is capable of recording instantaneous peak value simultaneously)；
S106: pin hydraulic press start button, until stopping test when welding ends is cut off, reads oil
The hydraulic pressure p of press；
S107: by the hydraulic pressure cylinder diameter R of hydraulic press, calculates pressure F, calculation of pressure formula: F=π R2p/4；
Welding alloy is mainly by shearing and Moment.Shearing size is equal to F, and direction is perpendicular to hard
Alloy axis, shear strength τ=F/ π r2, in formula, r is welding hard alloy radius, by F=π R2p/4
Substitute into, then shear strength τ=R2p/4r2.Calculation of Bending Moment formula M=FL=π R2PL/4, in formula, L is
The application point of power F is to the distance+1mm of solder side.
When the size of soldered hard alloy is fixed, the size of shearing and moment of flexure is all determined by F, F
Determined by hydraulic pressure.The test result of p is the major parameter index of weld strength.The numerical value of p exists
Directly read by digital display manometer after having tested.Can intuitively treat at sign thereby through above-mentioned test
Survey the size of workpiece weld strength.
The weld strength test fixture of this utility model offer and method of testing, fixture small volume, dress
Join simple, easy to operate；Test effect stability, it is possible to less input, it is achieved Product jointing is strong
The purpose of degree test and effect.Convenient and swift, time saving and energy saving, cost-effective and energy accurate evaluation welds
The quality of intensity.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being all the difference with other embodiments, between each embodiment, identical similar portion sees mutually i.e.
Can.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or makes
Use this utility model.Multiple amendment to these embodiments for those skilled in the art will
Being apparent from, generic principles defined herein can be without departing from spirit of the present utility model
Or in the case of scope, realize in other embodiments.Therefore, this utility model will not be limited
In the embodiments shown herein, and it is to fit to and principles disclosed herein and features of novelty phase
The widest consistent scope.
Claims (8)
1. a weld strength test fixture, it is characterised in that including:
Holder, described holder includes being oppositely arranged and the first folder of dismountable fixing connection
Gripping member and the second holder, on the end face that described first holder is relative with described second holder
Offer the clamp groove matched respectively, and described clamp groove and workpiece for measurement weld seam side
External surface shape identical；
It is arranged at the clamp groove notch end of described first holder and described second holder
Pressing plate, described pressing plate offers identical with the external surface shape of workpiece for measurement weld seam opposite side
Pressing plate groove, described holder offers for limiting the spacing recessed of described pressing plate mobile route
Groove.
Weld strength test fixture the most according to claim 1, it is characterised in that institute
State the first holder and include that the first grip block and fixing lid, described fixing covering offer for putting
Put the fixing lid groove of described first grip block；
Described second holder includes the second grip block and base, described base offers for
Place the base groove of described second grip block；
The end face that described first grip block is relative with described second grip block offers described respectively
Clamp groove, described fixing lid is dismountable with described base fixing to be connected.
Weld strength test fixture the most according to claim 2, it is characterised in that institute
State base L-shaped, L-shaped offer described limited impression, another side offers described
Base groove and with described fixing lid be connected.
Weld strength test fixture the most according to claim 3, it is characterised in that institute
State the end face of fixing lid and the either flush of described base.
Weld strength test fixture the most according to claim 2, it is characterised in that institute
State fixing lid groove and described base groove is along the axially arranged opening of described workpiece for measurement
Groove.
Weld strength test fixture the most according to claim 2, it is characterised in that institute
Stating base is that described fixing lid is at the described separate split-type structural of base groove width
At the separate split-type structural in described fixing lid recess width direction.
7., according to the weld strength test fixture described in any one of claim 1-6, its feature exists
In, the described clamp groove of described first holder and the described clamp groove of the second holder
Total depth is less than the thickness of described workpiece for measurement.
Weld strength test fixture the most according to claim 7, it is characterised in that institute
State the deep of the described clamp groove of the first holder and the described clamp groove of described first holder
Spend equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620410025.3U CN205580874U (en) | 2016-05-05 | 2016-05-05 | Welding strength test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620410025.3U CN205580874U (en) | 2016-05-05 | 2016-05-05 | Welding strength test fixture |
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| Publication Number | Publication Date |
|---|---|
| CN205580874U true CN205580874U (en) | 2016-09-14 |
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ID=56856998
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620410025.3U Active CN205580874U (en) | 2016-05-05 | 2016-05-05 | Welding strength test fixture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596292A (en) * | 2016-12-14 | 2017-04-26 | 哈尔滨工业大学 | Interlayer direct shearing testing device for pavement material |
| CN112730024A (en) * | 2020-12-07 | 2021-04-30 | 西南交通大学 | Integrated device for testing compression and shearing performance of rock material |
-
2016
- 2016-05-05 CN CN201620410025.3U patent/CN205580874U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596292A (en) * | 2016-12-14 | 2017-04-26 | 哈尔滨工业大学 | Interlayer direct shearing testing device for pavement material |
| CN112730024A (en) * | 2020-12-07 | 2021-04-30 | 西南交通大学 | Integrated device for testing compression and shearing performance of rock material |
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