CN207081611U - A kind of bend test fixture for measuring bending strength - Google Patents
A kind of bend test fixture for measuring bending strength Download PDFInfo
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- CN207081611U CN207081611U CN201721115543.3U CN201721115543U CN207081611U CN 207081611 U CN207081611 U CN 207081611U CN 201721115543 U CN201721115543 U CN 201721115543U CN 207081611 U CN207081611 U CN 207081611U
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- fixed seat
- bend test
- test fixture
- bending strength
- slot
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Abstract
A kind of bend test fixture for measuring bending strength, it is characterized in that it includes upper fixed seat（1）, lower fixed seat（2）, upper fixed seat（1）It is connected with the press mechanism of testing machine, lower fixed seat（2）It is fixed on experiment machine worktable, upper fixed seat（1）Bottom be connected with the pressing plate that can be moved left and right（3）, lower fixed seat（2）On be provided with apart from adjustable two opposed L brackets（4）, sample（5）It is placed on described adjustable support（4）On, described lower fixed seat（2）It is provided with two L brackets of display（4）Between distance graduated scale.The utility model is simple in construction, easy to adjust, and versatility is good.
Description
Technical field
A kind of experimental rig is the utility model is related to, refers specifically to a kind of be used for detecting metal and composite bending property
Bend test device, specifically a kind of bend test fixture for measuring bending strength.
Background technology
Bend test is to determine the experiment of mechanical property when material bears bending load, is that the mechanical property of materials is tested
One of basic skills, GB/T 232-2010《Bend test of metal materials method》、YB/T 5349-2014《Metal material is curved
Bent mechanical test method》, GB/T 1456-2005 《Test method for flexural properties of sandwich constructions》, YBT 5126-2003
《Concrete reinforcement steel is bent and reverse bending test method》Etc. standard provide utilize bend test measure material it is curved
Qu Xingneng specific test method.Because part bending fixture fails to calibrate the centre position of workbench and scale, cause
It cannot be guaranteed that sample bears bending load in centre position during experiment, error is caused to result of the test；Meanwhile adjusting
During span, because workbench does not mark out obvious scale symbol, it is impossible to span and test requirements document during guarantee test
Span kiss and.The span of some bending fixtures is fixed, therefore in order to adapt to different experiment demands, on workbench
A T-slot is dug out, on the one hand can need to adjust different spans according to experiment, still further aspect is advantageous to fixed branch
Seat, prevents bearing movement from being caused a deviation to result of the test.Workbench is supported by trifid structure, can firmly fix work
Platform and convenient disassembly, improve the operating efficiency in experiment.In summary, for the needs of bend test, the side of developing
Just the test fixture of material bending performance, is fast and accurately determined.
Utility model content
The purpose of this utility model is that the test fixture for being directed to current material bending performance has operation during experiment
The problem of inconvenient, design a kind of bend test fixture that can easily and accurately determine material bending intensity.
The technical solution of the utility model is：
A kind of bend test fixture for measuring bending strength, it is characterized in that it includes upper fixed seat 1, lower fixed seat 2, it is upper solid
Reservation 1 is connected with the press mechanism of testing machine, and lower fixed seat 2 is fixed on experiment machine worktable, the bottom connection of upper fixed seat 1
There is the pressing plate 3 that can be moved left and right, be provided with lower fixed seat 2 and be placed on apart from adjustable two opposed L brackets 4, sample 5
On described adjustable support 4, described lower fixed seat 2 is provided with the graduated scale of distance between two L brackets 4 of display.
The top of described upper fixed seat 1 is provided with upper dovetail groove, and dovetails 6, upper dovetails 6 are fitted with upper dovetail groove
On be fixed with connecting pole 7, upper connecting pole 7 is provided with upper connecting hole 8, and upper connecting pole 7 is inserted in the mounting hole of testing machine and led to
The latch for crossing the upper connecting hole 8 of insertion is connected.
The bottom of described lower fixed seat 2 is provided with lower dovetail groove, and lower dovetails 9, lower dovetails 9 are fitted with lower dovetail groove
On be fixed with lower connecting pole 10, lower connecting pole 10 is provided with lower connecting hole 11, and lower connecting pole 10 inserts the floor installation of testing machine
In hole and the latch by inserting lower connecting hole 11 is connected.
The bottom of described upper fixed seat 1 is provided with longitudinal T-slot 12, is provided with two pieces of fastening blocks 13 in longitudinal T-slot, and two
Block fastening block 13 is connected by bolt 14 with the compact heap 15 of the both sides of pressing plate 3 respectively, unclamps bolt 14, fastening plates 13 can be in longitudinal direction
Moved left and right in T-slot 12 with pressing plate 3.
The top of described lower fixed seat 1 is provided with the inverted T-slot 16 of longitudinal direction, and support fastening block 17 is provided with inverted T-slot,
Support fastening block 17 is connected by bolt 14 with the base of L bracket 4, unclamps bolt 14, and L bracket 4 can drive support tightening
Block 17 is to move left and right in inverted T shaped groove, so as to realize the regulation of distance between two L brackets.
The beneficial effects of the utility model：
The utility model can carry out left and right adjusting according to the span diverse of test requirements document；On workbench with T-slot
There are intermediate marker and scale, the least unit of scale is millimeter, and the regulation of row span can be entered according to different test requirements documents；Pressure
Plate can be fixed in centre position according to the intermediate marker on T-slot workbench, ensure that sample is born in centre position
Bending load.
The utility model is convenient with testing machine connection disassembling, it is ensured that firmly connection, ensures the stability of device.
Workbench with T-slot is marked with intermediate marker and scale, on the one hand can be by the I type bearings with bolt hole
Centerlock, ensure to carry out bend test in the centre position of sample；On the other hand can be wanted according to different tests
The setting for carrying out different spans is asked, span is accurately set according to the scale marked, avoids and presence is measured using graduated scale
Deviation.
Workbench carries T-shaped groove, can be horizontally slipped according to different span test requirements documents, simultaneous with spiral shell
The L-type bearing of keyhole and the pressing plate with bolt hole are closely connected by bolt with workbench, ensure that the steady of experimental rig
It is fixed, avoid and error is caused to bend test result because test fixture loosens.
The utility model is simple in construction, easy to adjust, and versatility is good.
Brief description of the drawings
Fig. 1 is use state diagram of the present utility model.
Fig. 2 is pressing plate fixed structure schematic diagram of the present utility model.
Fig. 3 is L bracket fixed structure schematic diagram of the present utility model.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As Figure 1-3.
It is a kind of measure bending strength bend test fixture, it include upper fixed seat 1, lower fixed seat 2, upper fixed seat 1 with
The press mechanism of testing machine is connected, and lower fixed seat 2 is fixed on experiment machine worktable, and the bottom of upper fixed seat 1 is connected with can be left
The pressing plate 3 moved right, it is provided with apart from adjustable two opposed L brackets 4 on lower fixed seat 2, sample 5 is placed on described
On adjustable support 4, described lower fixed seat 2 is provided with the graduated scale of distance between two L brackets 4 of display.Described is upper
The top of fixed seat 1 is provided with upper dovetail groove, and dovetails 6 are fitted with upper dovetail groove, connecting pole is fixed with upper dovetails 6
7, upper connecting pole 7 is provided with upper connecting hole 8, and upper connecting pole 7 inserts in the mounting hole of testing machine and passes through the upper connecting hole 8 of insertion
Latch is connected.The bottom of described lower fixed seat 2 is provided with lower dovetail groove, and lower dovetails 9, lower dovetails are fitted with lower dovetail groove
Lower connecting pole 10 is fixed with 9, lower connecting pole 10 is provided with lower connecting hole 11, and lower connecting pole 10 inserts the floor installation of testing machine
In hole and the latch by inserting lower connecting hole 11 is connected.As shown in Figure 1.It is T-shaped that the bottom of described upper fixed seat 1 is provided with longitudinal direction
Groove 12, two pieces of fastening blocks 13 are provided with longitudinal T-slot, and two pieces of fastening blocks 13 pass through bolt 14 and the pressure of the both sides of pressing plate 3 respectively
Tight block 15 is connected, and unclamps bolt 14, and fastening plates 13 can move left and right in longitudinal T-slot 12 with pressing plate 3, as shown in Figure 2.It is described
The top of lower fixed seat 1 be provided with the inverted T-slot 16 of longitudinal direction, support fastening block 17, support fastening block 17 are installed in inverted T-slot
It is connected by bolt 14 with the base of L bracket 4, unclamps bolt 14, L bracket 4 can drives support fastening block 17 in inverted T shaped groove
It is to move left and right, so as to realize the regulation of distance between two L brackets, as shown in Figure 3.
Operation principle of the present utility model is：
Upper fixed seat 1 is connected with the mounting hole of testing machine so that upper fixed seat 1 can be with dynamic pressure plate with examination by latch
The machine of testing moves up and down, and lower fixed seat is arranged on the workbench of testing machine again by latch, using on lower fixed seat
Scale adjusts two L brackets 4 to the span of test requirements document.Using the decline button on universal testing machine, by upper and lower two
Suitable distance is arrived in individual fixed seat regulation, and sample 5 is placed between L bracket 3 and pressing plate 3, slowly presses universal testing machine
Decline button, ensure that the lower end of pressing plate 3 has just contacted sample 5, then click on the software on the supporting computer of universal testing machine, start
Bend test, and record obtained bend performance data.
The utility model is not directed to partly same as the prior art or can realized using prior art.
Claims (5)
- A kind of 1. bend test fixture for measuring bending strength, it is characterized in that it includes upper fixed seat（1）, lower fixed seat（2）, on Fixed seat（1）It is connected with the press mechanism of testing machine, lower fixed seat（2）It is fixed on experiment machine worktable, upper fixed seat（1）'s Bottom is connected with the pressing plate that can be moved left and right（3）, lower fixed seat（2）On be provided with apart from adjustable two opposed L brackets （4）, sample（5）It is placed on described adjustable support（4）On, described lower fixed seat（2）It is provided with two L brackets of display （4）Between distance graduated scale.
- 2. the bend test fixture of measurement bending strength according to claim 1, it is characterized in that described upper fixed seat（1） Top be provided with upper dovetail groove, be fitted with dovetails in upper dovetail groove（6）, upper dovetails（6）On be fixed with connecting pole （7）, upper connecting pole（7）It is provided with upper connecting hole（8）, upper connecting pole（7）Insert in the mounting hole of testing machine and by insertion Connecting hole（8）Latch be connected.
- 3. the bend test fixture of measurement bending strength according to claim 1, it is characterized in that described lower fixed seat（2） Bottom be provided with lower dovetail groove, be fitted with lower dovetails in lower dovetail groove（9）, lower dovetails（9）On be fixed with lower connecting pole （10）, lower connecting pole（10）It is provided with lower connecting hole（11）, lower connecting pole（10）Insert in the base installing hole of testing machine and lead to Cross the lower connecting hole of insertion（11）Latch be connected.
- 4. the bend test fixture of measurement bending strength according to claim 1, it is characterized in that described upper fixed seat（1） Bottom be provided with longitudinal T-slot（12）, two pieces of fastening blocks are installed in longitudinal T-slot（13）, two pieces of fastening blocks（13）Lead to respectively Cross bolt（14）With pressing plate（3）The compact heap of both sides（15）It is connected, unclamps bolt（14）, fastening plates（13）Can be in longitudinal T-slot （12）In with pressing plate（3）Move left and right.
- 5. the bend test fixture of measurement bending strength according to claim 1, it is characterized in that described lower fixed seat（1） Top be provided with longitudinal direction inverted T-slot（16）, support fastening block is installed in inverted T-slot（17）, support fastening block（17）Pass through Bolt（14）With L bracket（4）Base be connected, unclamp bolt（14）, L bracket（4）Support fastening block can be driven（17） Inverted T shaped groove is to move left and right, so as to realize the regulation of distance between two L brackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721115543.3U CN207081611U (en) | 2017-09-01 | 2017-09-01 | A kind of bend test fixture for measuring bending strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721115543.3U CN207081611U (en) | 2017-09-01 | 2017-09-01 | A kind of bend test fixture for measuring bending strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207081611U true CN207081611U (en) | 2018-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721115543.3U Expired - Fee Related CN207081611U (en) | 2017-09-01 | 2017-09-01 | A kind of bend test fixture for measuring bending strength |
Country Status (1)
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| CN (1) | CN207081611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686984A (en) * | 2019-09-23 | 2020-01-14 | 南京航空航天大学 | Bending load test loading device and loading method for self-sealing type release joint |
-
2017
- 2017-09-01 CN CN201721115543.3U patent/CN207081611U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686984A (en) * | 2019-09-23 | 2020-01-14 | 南京航空航天大学 | Bending load test loading device and loading method for self-sealing type release joint |
| CN110686984B (en) * | 2019-09-23 | 2021-11-05 | 南京航空航天大学 | Bending load test loading device and loading method for self-sealing type release joint |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 Termination date: 20180901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |