CN209624260U - A kind of fibre reinforced materials built-in fitting bonding strength test device in full service temperature section - Google Patents
A kind of fibre reinforced materials built-in fitting bonding strength test device in full service temperature section Download PDFInfo
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- CN209624260U CN209624260U CN201920065962.3U CN201920065962U CN209624260U CN 209624260 U CN209624260 U CN 209624260U CN 201920065962 U CN201920065962 U CN 201920065962U CN 209624260 U CN209624260 U CN 209624260U
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- fibre reinforced
- reinforced materials
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- fitting
- bonding strength
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Abstract
The utility model discloses a kind of fibre reinforced materials built-in fitting bonding strength test devices in full service temperature section, comprising: environmental cabinet, top and bottom offer instrument connection respectively；Wherein, fibre reinforced materials plate is with built-in fitting integrated molding and setting is in environmental cabinet；First transmission rod, one end pass through the instrument connection at the top of environmental cabinet and are rotatablely connected with built-in fitting, and the other end is fixedly connected by force snesor with universal testing machine；Pedestal is connected, is U-shaped bottom seat, the both side plate for connecting pedestal respectively symmetrically offers multiple connecting holes；Wherein, the two sides of fibre reinforced materials plate pass through fixture respectively and are removably attachable on connecting hole；Second transmission rod, the instrument connection that one end passes through environmental cabinet bottom are movably connected with the bottom plate for connecting pedestal, and the other end is fixedly connected by force snesor with universal testing machine.The device, which can be realized, is attached strength test in the case where ratio, moment of flexure are cut in varying environment temperature, drawing to fibre reinforced materials plate and built-in fitting connector.
Description
Technical field
The utility model belongs to fibre reinforced materials embedded part structure the field of test technology, in particular to a kind of full temperature of being on active service
Spend the fibre reinforced materials built-in fitting bonding strength test device in section.
Background technique
Composite material is in engineer application, it is necessary to which the problem of facing temperature environment, temperature environment change to composite material
Performance has a great impact, therefore, it is necessary to consider the influence of temperature environment.The variation meeting of temperature environment is so that composite inner
Structure generates destruction, declines so as to cause the performance of composite material itself.In composite material use process, cold environmental conditions
Meeting is so that matrices of composite material brittleness increases, and matrix modulus is consequently increased, and hot environment can then make matrix generate rubber
Colloidal state substantially reduces all attribute of performance.When temperature environment variation, the performance of composite material is to show different change
Change.Temperature environment variation can mainly cause composite inner generate stress, thus can composite material engineering application before,
It there is certain damage, this results in different temperature environment composite materials to have the different destruction form of expression.
As fibre reinforced materials is in the commonly used of vehicle body field, the connection type of fibre reinforced materials car body component
Correlative study is also gradually being goed deep into.Fibre reinforced materials built-in fitting is solid applied to safety belt as a kind of important connection type
The structures such as fixed point, engine mounting fixed point, suspension hard spot.Fibre reinforced materials built-in fitting is held in automobile service temperature section
The active force of ratio, different moment of flexure sizes is cut by different drawings.
In addition to this, the bonding strength of fibre reinforced materials and the bonding layer of vehicle body built-in fitting varies with temperature and changes.
The too low crystallization that may cause Subbing resins of temperature, so that the bonding strength of built-in fitting be made to weaken；Opposite thermal is excessively high to be made
Glue film softening, can also reduce the bonding strength of built-in fitting.Meanwhile fibre reinforced materials is in different temperatures environment, due to fiber
It is inconsistent with the thermal expansion coefficient of resin matrix, the aging of matrix and fiber/matrix interface is also resulted in, to influence fiber increasing
The mechanical performance of strong material.Therefore, temperature sensitivity is to determine when fibre reinforced materials built-in fitting uses working performance and strong
The important indicator of degree.
In order to further simulate actual condition, it is necessary to design a kind of fibre reinforced materials built-in fitting that consideration temperature influences
Bonding strength test device tests built-in fitting and fibre reinforced materials under different temperatures environment, the enhancing of built-in fitting relative fiber
Plate of material cuts the bonding strength under ratio, different moment of flexure sizes in different drawings.
Utility model content
The utility model provides a kind of fibre reinforced materials built-in fitting bonding strength test dress in full service temperature section
It sets, test specimen is mounted in environmental cabinet by loading mechanism, and when test temperature is high temperature, kept away using upper sealing structure
Exempt from heat dissipation；When test temperature is low temperature, cold air is avoided to dissipate using lower sealing structure；To guarantee the temperature in environmental cabinet
It is maintained at set temperature, and then guarantees the stability of temperature in environment, fibre reinforced materials plate and built-in fitting are connected to realize
Fitting is in varying environment temperature, bonding strength of the built-in fitting relative fiber strengthening material flitch when ratio, different moments of flexure are cut in different drawings
Carry out testing experiment.
Technical solution provided by the utility model are as follows:
A kind of fibre reinforced materials built-in fitting bonding strength test device in full service temperature section, comprising:
Environmental cabinet, top and bottom offer instrument connection, fibre reinforced materials plate and built-in fitting integrated molding respectively
And it is arranged in the environmental cabinet；Sealing ring is equipped with according to test ambient temperature selectivity in the instrument connection；Wherein,
When environment temperature is higher than normal temperature, sealing ring is installed in the instrument connection at the top of environmental cabinet；
When environment temperature is lower than normal temperature, sealing ring is installed in the instrument connection of environmental cabinet bottom；
First transmission rod, one end pass through the instrument connection at the top of the environmental cabinet and are rotatablely connected with the built-in fitting,
The other end is fixedly connected by force snesor with the side jaw of universal testing machine；
Pedestal is connected, is U-shaped bottom seat, the both side plate of the connection pedestal respectively symmetrically offers multiple connecting holes；
Second transmission rod, one end pass through the instrument connection of the environmental cabinet bottom and can with the bottom plate of the connection pedestal
Dynamic connection, the other end are fixedly connected by force snesor with the other side jaw of the universal testing machine；
Wherein, the two sides of the fibre reinforced materials plate are removably attachable on the connecting hole simultaneously respectively.
Preferably, first transmission rod is connect by pin shaft with the built-in fitting.
Preferably, guide groove is offered on the bottom plate of the connection pedestal；And
One end of second transmission rod is rotatablely connected linear guide；
Wherein, the linear guide matching is arranged in the guide groove.
Preferably, fixture is installed on the fibre reinforced materials plate, and is removably attachable to by the fixture
On the connecting hole.
Preferably, the fixture includes test specimen platen and test specimen supporting disk；The fibre reinforced materials plate is arranged in institute
It states between test specimen platen and the test specimen supporting disk, is realized and pressed from both sides by bolt between the test specimen platen and the test specimen supporting disk
It fastens.
Preferably, the connecting hole is arranged in circumferentially direction.
The beneficial effects of the utility model are:
1, the fibre reinforced materials built-in fitting bonding strength test device in full service temperature section provided by the utility model,
It can be realized to fibre reinforced materials plate and built-in fitting connector in varying environment temperature, built-in fitting relative fiber strengthening material flitch
Bonding strength when ratio, different moments of flexure are cut in different drawings carries out testing experiment.
2, the fibre reinforced materials built-in fitting bonding strength in the full service temperature section that the utility model provides tests dress
It sets, test specimen is mounted in environmental cabinet by loading mechanism, and when test temperature is high temperature, kept away using upper sealing structure
Exempt from heat dissipation；When test temperature is low temperature, cold air is avoided to dissipate using lower sealing structure；To guarantee the temperature in environmental cabinet
It is maintained at set temperature, and then guarantees the stability of temperature in environment, to improve the accuracy of test result.
3, the fibre reinforced materials built-in fitting bonding strength test device in full service temperature section provided by the utility model,
Sealing structure can be adjusted according to test temperature, using two force snesors while dynamometry, avoid universal testing machine and tested
Cheng Zhong, influence of the sealing ring to dynamometry on transmission rod, further improves experimental accuracy.
Detailed description of the invention
Fig. 1 is that the fibre reinforced materials built-in fitting bonding strength in full service temperature section described in the utility model tests dress
Set general structure schematic diagram.
Fig. 2 is that the fibre reinforced materials built-in fitting bonding strength in full service temperature section described in the utility model tests dress
Set each component connection schematic diagram.
Fig. 3 is environmental cabinet internal mechanism connection schematic diagram described in the utility model.
Fig. 4 is the pin shaft connection structure schematic diagram of the first transmission rod described in the utility model, the second transmission rod.
Fig. 5 is that drawing described in the utility model is cut than adjustment mode schematic diagram.
Fig. 6 is moment of flexure adjustment mode schematic diagram described in the utility model.
Fig. 7 is seal ring structure schematic diagram described in the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
As shown in figs. 1-7, the fibre reinforced materials built-in fitting that the utility model provides a kind of full service temperature section connects
Strength testing device is connect, using the connector of fibre reinforced materials plate 110 and built-in fitting 120 as test specimen, sheet of fibrous material 110
Outside installs fixture, and the inside that test specimen and fixture are integrally placed to high and low temperature environment case 200 is tested.High and low temperature environment
Instrument connection 210 and instrument connection 220 are respectively symmetrically offered on the top plate and bottom plate of case 200, for installing mechanism for testing.Wherein,
The fixture includes test specimen platen 310 and test specimen supporting disk 320；The setting of fibre reinforced materials plate 110 is in test specimen platen 310 and examination
Between part supporting disk 320, it is fixedly clamped between test specimen platen 310 and test specimen supporting disk 320 by bolt realization.
The overall connection relationship of the fibre reinforced materials built-in fitting bonding strength test device in full service temperature section are as follows: the
After one transmission rod 410 is connect with force snesor 411, upper end is fixedly connected with 400 upper jaw of electronic universal tester；First power transmission
The lower end of bar 410 passes through the top instrument connection 210 of high and low temperature environment case 200, and is rotated by pin shaft 412 and built-in fitting 120
Connection.Fibre reinforced materials plate 110 is mounted on connection pedestal 420 by test specimen supporting disk 320.Wherein, connection pedestal 420 is
U-shaped bottom seat offers multiple connecting holes 421 arranged by circumferencial direction on the side plate at longitudinal both ends, test specimen supporting disk 320
Two sides are bolted respectively on connecting hole 421.It connects and transversely offers guide groove 422 on the bottom plate of pedestal 420, lead
Into slot, Matching installation has linear guide 430；After second transmission rod 440 is connect with force snesor 441, lower end and electronic universal are tried
400 lower jaw of machine is tested to be fixedly connected, upper end pass through 200 bottom instrument connection 220 of high and low temperature environment case, and using pin shaft 442 with
Linear guide 430 is rotatablely connected.
Master controller 500 connects high and low temperature environment case 200 and universal testing machine 400, adjusts high and low temperature environment for monitoring
Test temperature in case 200, and on real-time display electronic universal tester 400 force snesor 411, force snesor 441 reading
Number, beginning, end and rate of extension of Control experiment etc..
As shown in figure 5, can by the way that test specimen supporting disk 320 is connected from different connecting hole 421 on connection pedestal 420,
Come the connection angle for changing test specimen supporting disk 320 with connecting pedestal 420, pedestal 420 is connected along the lateral position of linear guide 430
It moves, to realize the mutual cooperation of the first transmission rod 410, built-in fitting 120 and pin shaft 412, changes transmission rod and fibre reinforced materials
The angle theta of 110 normal direction of plate, to realize the adjustment drawn built-in fitting stress and cut ratio.As shown in fig. 6, by changing the first power transmission
The connection height H of bar 410 and built-in fitting 120, to change the moment of flexure that the built-in fitting is subject to.
The structure connects embedded part clamp using the first, second transmission rod, and the second transmission rod is made to pass through environment lower box part
Instrument connection is cooperated with pedestal (U-shaped bottom seat) is connect by the second transmission rod of setting and linear guide, can either meet change
Draw cut than when U-shaped bottom seat change in location needs, while can guarantee that test specimen is connected in the stable environment temperature of environmental cabinet again
Connect strength test.
200 top plate of high and low temperature environment case and bottom plate offer the instrument connection 210 and instrument connection 220 of diameter 100mm respectively, and
And selectivity installs sealing ring in instrument connection 210, and installs sealing ring in instrument connection 220.Sealing ring is detachable
Formula uses upper sealing structure when test temperature is high temperature (being higher than room temperature) in high and low temperature environment case 200, i.e., individually at top
Instrument connection 210 installs sealing ring, does not install sealing ring in bottom instrument connection 220, the force snesor connected with the second transmission rod 440
441 reading is canonical measure value；Test temperature uses lower sealing structure when being low temperature (being lower than room temperature), i.e., individually in bottom
Instrument connection 220 can install sealing ring, not install sealing ring in top instrument connection 210, with the power sensing of the first transmission rod 410 connection
The reading of device 411 is canonical measure value；When test temperature is room temperature (20 DEG C), sealing ring is not installed in two instrument connections, with power
The reading of sensor 411 and sensor 441 is as canonical measure value (sensor 411 is identical as the reading of sensor 441).
Due to test temperature be high temperature when, high temperature heat integrated distribution avoids heat from consuming on top, using upper sealing structure
It dissipates；When test temperature is low temperature, cryogenic gas integrated distribution avoids cold air from dissipating in lower part, using lower sealing structure；To guarantee
Temperature in environmental cabinet is maintained at set temperature, and then guarantees the stability of temperature in environment, to improve the standard of test result
True property.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (6)
1. a kind of fibre reinforced materials built-in fitting bonding strength test device in full service temperature section characterized by comprising
Environmental cabinet, top and bottom offer instrument connection respectively, fibre reinforced materials plate and built-in fitting integrated molding and
It is arranged in the environmental cabinet；Sealing ring is equipped with according to test ambient temperature selectivity in the instrument connection；Wherein,
When environment temperature is higher than normal temperature, sealing ring is installed in the instrument connection at the top of environmental cabinet；
When environment temperature is lower than normal temperature, sealing ring is installed in the instrument connection of environmental cabinet bottom；
First transmission rod, one end passes through the instrument connection at the top of the environmental cabinet and is rotatablely connected with the built-in fitting, another
End is fixedly connected by force snesor with the side jaw of universal testing machine；
Pedestal is connected, is U-shaped bottom seat, the both side plate of the connection pedestal respectively symmetrically offers multiple connecting holes；
Second transmission rod, one end pass through the instrument connection of the environmental cabinet bottom and movably connect with the bottom plate of the connection pedestal
It connects, the other end is fixedly connected by force snesor with the other side jaw of the universal testing machine；
Wherein, the two sides of the fibre reinforced materials plate are removably attachable on the connecting hole simultaneously respectively.
2. the fibre reinforced materials built-in fitting bonding strength test device in full service temperature section according to claim 1,
It is characterized in that, first transmission rod is connect by pin shaft with the built-in fitting.
3. the fibre reinforced materials built-in fitting bonding strength test device in full service temperature section according to claim 2,
It is characterized in that, offering guide groove on the bottom plate of the connection pedestal；And
One end of second transmission rod is rotatablely connected linear guide；
Wherein, the linear guide matching is arranged in the guide groove.
4. the fibre reinforced materials built-in fitting bonding strength in full service temperature section according to claim 1 or 3 tests dress
It sets, which is characterized in that fixture is installed on the fibre reinforced materials plate, and is removably attachable to by the fixture described
On connecting hole.
5. the fibre reinforced materials built-in fitting bonding strength test device in full service temperature section according to claim 4,
It is characterized in that, the fixture includes test specimen platen and test specimen supporting disk；The fibre reinforced materials plate is arranged in the test specimen
Between platen and the test specimen supporting disk, is realized and clamped admittedly by bolt between the test specimen platen and the test specimen supporting disk
It is fixed.
6. the fibre reinforced materials built-in fitting bonding strength test device in full service temperature section according to claim 5,
It is characterized in that, the connecting hole is arranged in circumferentially direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920065962.3U CN209624260U (en) | 2019-01-16 | 2019-01-16 | A kind of fibre reinforced materials built-in fitting bonding strength test device in full service temperature section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920065962.3U CN209624260U (en) | 2019-01-16 | 2019-01-16 | A kind of fibre reinforced materials built-in fitting bonding strength test device in full service temperature section |
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| CN209624260U true CN209624260U (en) | 2019-11-12 |
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| CN201920065962.3U Expired - Fee Related CN209624260U (en) | 2019-01-16 | 2019-01-16 | A kind of fibre reinforced materials built-in fitting bonding strength test device in full service temperature section |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632525A (en) * | 2019-01-16 | 2019-04-16 | 吉林大学 | A kind of the fibre reinforced materials built-in fitting bonding strength test device and calculation method in full service temperature section |
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2019
- 2019-01-16 CN CN201920065962.3U patent/CN209624260U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632525A (en) * | 2019-01-16 | 2019-04-16 | 吉林大学 | A kind of the fibre reinforced materials built-in fitting bonding strength test device and calculation method in full service temperature section |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20220116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |