CN209589715U - A kind of crooked crack-resistant performance testing device - Google Patents
A kind of crooked crack-resistant performance testing device Download PDFInfo
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- CN209589715U CN209589715U CN201822011714.9U CN201822011714U CN209589715U CN 209589715 U CN209589715 U CN 209589715U CN 201822011714 U CN201822011714 U CN 201822011714U CN 209589715 U CN209589715 U CN 209589715U
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- 238000005452 bending Methods 0.000 claims abstract description 37
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- 238000000034 method Methods 0.000 claims description 8
- 238000013467 fragmentation Methods 0.000 claims description 5
- 238000006062 fragmentation reaction Methods 0.000 claims description 5
- 230000000877 morphologic effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000010191 image analysis Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 239000004035 construction material Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a kind of crooked crack-resistant performance testing devices, and wherein test device includes pedestal；Clamping device is used for clamping test pieces；Force application mechanism supports and drives the clamping device, and when a pair force application mechanism is close to each other, the test specimen is bent and the clamping device positioned at its end is driven to rotate in the force application mechanism；Curved guide mechanism limits the test specimen and is bent to curved guide mechanism direction.It is rotated in force application mechanism by the way that clamping device is arranged to prevent test specimen from be broken clip position by reaction force, and influence of the stress concentration to test specimen bend fracture is reduced by the bending of the close drive test specimen of force application mechanism, to improve the accuracy of test result；By the way that curved guide mechanism is arranged, so that bending direction is controllable when test specimen is bent, fixed photographing device is in somewhere without adjusting other positions when operating so as to the acquisition etc. that take pictures, it is ensured that test is gone on smoothly.
Description
Technical field
The utility model relates to the field of test technology, and in particular to a kind of crooked crack-resistant performance testing device.
Background technique
With China's rapid development of economy, more and more engineering projects such as concrete dam, steel bridge are built
And it comes into operation.Often the use environment of these engineering projects is more harsh --- for example with strong wind severe weather conditions,
For the use environments such as walking or travelling, easily sent out in the limiting case so as to cause for the construction material in these engineering projects
Raw bend fracture, causes the normal use for seriously affecting engineering project.It is surveyed by the crooked crack-resistant performance to construction material
Try and be confirmed whether to be avoided as much as construction material with matchings such as use environments to bend in actual use fracture.
Test specimen is usually placed on two supporting points, and passes through load by the crooked crack-resistant test device of the prior art
Equipment is to force at the midpoint of two supporting points so that test specimen bends tests.
Or there is also another test devices in the prior art comprising support base and can be slidably arranged in support
Two load bearing units on seat, the middle position of support base are provided with attachment base, and two load bearing units are symmetrically distributed in connection
The two sides of seat, wherein the both ends of test specimen are individually fixed on the fixture on two load bearing units, close to each other by load bearing unit
To adjust load bearing unit along the distance in piece lengths direction to be adapted to clamping test pieces, and is loaded and carried out by additional loading equipemtn
Test.
Firstly, two kinds of above-mentioned test devices are applied for example, by a certain position of the loading equipemtns such as cylinder to surface of test piece
Add external force so that test specimen is bent, since there are the point of applications (i.e. the contact point of loading equipemtn and test specimen) that stress is concentrated for it, when adding
When carrying equipment to point of application force, the point of application nearby is easier to occur to break at the point of application since stress concentration easily leads to test specimen
It splits, or occurs to rupture and thus accelerate the fracture of test specimen, therefore concentrate force to make it by certain point of the loading equipemtn to test specimen
The test mode of deformation affects the accuracy of test specimen cracking resistance test to a certain extent.
Secondly, the test device tested in the prior art by fixture clamping test pieces at above-mentioned second, due to examination
The both ends of part are fixed by fixture and fixture can not be movable, therefore in crooked test, stationary fixture also produces test specimen itself
Raw certain reaction force, also affects the accuracy of test result to a certain extent.
Utility model content
Therefore, the technical problem to be solved by the utility model is to overcome the test specimen in test device in the prior art
The defect that stress is concentrated and influences test accuracy is easily generated when external loading equipemtn exerts a force, to provide a kind of crooked crack-resistant
Performance testing device.
Another technical problem to be solved in the utility model is to overcome test fixture in the prior art easily to test specimen
Reaction force is generated to influence the defect of test accuracy, to provide a kind of crooked crack-resistant performance testing device.
A kind of crooked crack-resistant performance testing device, comprising:
Pedestal；
At least a pair of of clamping device, is used for clamping test pieces；
Force application mechanism, the force application mechanism are movably set on the pedestal to support and drive the clamping device, institute
Clamping device to be stated to be detachably connected with the force application mechanism respectively, a pair of force application mechanism can be close to each other or separate, when
Test specimen when a pair force application mechanism is close to each other between a pair force application mechanism, which is bent and drives, to be located at
The clamping device of its end rotates in the force application mechanism；
Curved guide mechanism, the curved guide mechanism are fixed on the pedestal, and one end is connected to the test specimen
A side surface with limit the test specimen to curved guide mechanism direction be bent.
Further, the pedestal is equipped with mounting portion and sliding rail；The mounting portion installs the curved guide mechanism,
The force application mechanism includes support component and driving assembly, and the support component is slidably connected with the sliding rail, the driving group
Part drives the support component to move on the sliding rail.
Further, the curved guide mechanism is set between a pair of support component, is fixed on the pedestal simultaneously
Movable end including movable adjusting, the movable end are connected to the test specimen；The curved guide mechanism further includes fixing end
And adjustment portion, the adjustment portion connect with the fixing end and the movable end and adjust the position of the movable end.
Further, the opposite sides of a pair of support component are equipped with the placement that can accommodate and support the clamping device
Portion, the placement section and the clamping device are respectively provided with the rolling joint face that can mutually roll connection.
Further, the clamping device includes a pair of symmetrically arranged cramping body and the lock for being fixedly connected with the cramping body
Tight component is accordingly formed with the grasping part that can accommodate the test piece end between cramping body described in one pair of them.
Further, the cramping body be semicylinder, the locking assembly be bolt or screw, the semicylinder
Formation in plane is fluted, and the groove of a pair of semicylinder collectively forms the grasping part.
Further, the driving component includes motor and screw rod, and the output end of the motor is connected to the screw rod, institute
It states clamping device bottom and is equipped with the feed screw nut connecting with the wire rod thread, wherein the screw rod is located at the guiding mechanism two
The thread rotary orientation of side is opposite.
Further, the sliding rail includes the sliding slot in the pedestal；The feed screw nut and the sliding slot slide
Connection.
It further, further include image processing system, described image processing system includes at image collecting device and image
Manage device, bending shape figure of the described image acquisition device for test specimen different moments described in several bending processes of shooting, collecting
Picture, described image processing unit are used to be in differently curved shape to obtaining the test specimen after the bending shape image analysis processing
Parameter when state.
Further, the parameter includes the bending deformation morphological parameters and the examination of the test specimen during bending
Fragmentation parameters of the part in fracture.
The technical solution of the utility model has the advantages that
1. a kind of crooked crack-resistant performance testing device provided by the utility model, comprising: pedestal；At least a pair of of clamping machine
Structure is used for clamping test pieces；Force application mechanism, the force application mechanism are movably set on the pedestal to support and drive the clamping
Mechanism, the clamping device are detachably connected with the force application mechanism respectively, a pair of force application mechanism can it is close to each other or
It is separate, test specimen bending and band when a pair force application mechanism is close to each other between a pair force application mechanism
The dynamic clamping device positioned at its end rotates in the force application mechanism；Curved guide mechanism, the curved guide mechanism
It is fixed on the pedestal, one end is connected to a side surface of the test specimen to limit the test specimen to the curved guide
The bending of mechanism direction.The crooked crack-resistant performance testing device of this structure, by the way that gripper mechanism grips test specimen, and test specimen is arranged
Clamping device is driven to be rotated in force application mechanism to prevent test specimen from being made clip position by reaction force in bending
The case where fracture, occurs, and reduces stress concentration to the shadow of test specimen bend fracture by the bending of the close drive test specimen of force application mechanism
It rings, to improve the accuracy of test result；By the way that curved guide mechanism is arranged, the bending direction of test specimen is adjusted, so that examination
Bending direction is controllable when part is bent, and fixed photographing device is in somewhere without adjusting it when operating so as to the acquisition etc. that take pictures
His position, it is ensured that test is gone on smoothly.
2. a kind of crooked crack-resistant performance testing device provided by the utility model, the curved guide mechanism is set to a pair of of institute
It states between support component, is fixed on the pedestal and the movable end including movable adjusting, the movable end is connected to described
Test specimen；The curved guide mechanism further includes fixing end and adjustment portion, the adjustment portion and the fixing end and the movable end
Connect and adjust the position of the movable end.The crooked crack-resistant performance testing device of this structure is convenient for by being provided with adjustment portion
Adjusting adjustment portion immediately when installing test specimen makes movable end be connected to test specimen.
3. a kind of crooked crack-resistant performance testing device provided by the utility model, the clamping device includes that a pair is symmetrically set
The cramping body set and the locking assembly for being fixedly connected with the cramping body, being accordingly formed between cramping body described in one pair of them can
Accommodate the grasping part of the test piece end.The cramping body be semicylinder, the locking assembly be bolt or screw, it is described
Formation in the plane of semicylinder is fluted, and the groove of a pair of semicylinder collectively forms the grasping part.This knot
The crooked crack-resistant performance testing device of structure includes cramping body and locking assembly by setting clamping device, so that the clamping of test specimen
Fixation is more simple and convenient；Simultaneously because clamping device can be rotatablely connected with placement section, therefore it is ensuring that clamping device is reliable
It also avoids generating reaction force to test specimen due to clamping end is fixed on the basis of clamping, improves the accuracy of test.
4. a kind of crooked crack-resistant performance testing device provided by the utility model, the driving component include motor and silk
Bar, the output end of the motor are connected to the screw rod, and the clamping device bottom is equipped with the silk connecting with the wire rod thread
Stem nut, wherein the thread rotary orientation that the screw rod is located at the guiding mechanism two sides is opposite.The crooked crack-resistant performance of this structure is surveyed
Trial assembly is set, by setting motor driven screw rod with simultaneously clamping device it is close to each other or far from movement, it is ensured that test specimen bending force
Symmetry so that test specimen breaking part after bending is positioned as close to the symmetrical center positions of test specimen, to improve test knot
Fruit it is accurate, so as to the more intuitive cracking resistance for accurately judging test specimen.
5. a kind of crooked crack-resistant performance testing device provided by the utility model, further includes image processing system, the figure
As processing system includes image collecting device and image processing apparatus, described image acquisition device is used for several bendings of shooting, collecting
The bending shape image of the test specimen different moments in the process, described image processing unit are used for the bending shape image point
The parameter when test specimen is in differently curved form is obtained after analysis processing.The crooked crack-resistant performance testing device of this structure leads to
It crosses setting image processing system to obtain bending shape image and analyze processing, reduces the amount of labour of manpower during the test,
And it can rapidly and accurately obtain test result.
6. a kind of crooked crack-resistant performance testing device provided by the utility model, the parameter includes that the test specimen is being bent
The fragmentation parameters of bending deformation morphological parameters and the test specimen in fracture in the process.The crooked crack-resistant performance of this structure is surveyed
Trial assembly is set, and is bent and deformed morphological parameters and fragmentation parameters combine, convenient for more accurately judging the cracking resistance of test.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of crooked crack-resistant performance testing device provided in this embodiment；
Fig. 2 is the structural schematic diagram of the pedestal and curved guide mechanism in Fig. 1；
Fig. 3 is the structural schematic diagram of the support component in Fig. 1；
Fig. 4 is the structural schematic diagram of the clamping device in Fig. 1；
Fig. 5 is test specimen using curved structural schematic diagram in the test device test process in Fig. 1；
1- pedestal, 11- mounting portion, 12-T type sliding slot；
2- support component, 21-T type shackle member, 211- vertical arm, 221- support plate, 2211- arc-shaped recess face, 222- connect
Fishplate bar；
3- screw rod；
4- clamping device, 41- semicylinder, 411- grasping part, 42- bolt；
51- fixing end, 52- screw rod, 53- movable end；
6- test specimen.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
The present embodiment provides a kind of crooked crack-resistant performance testing devices comprising: pedestal 1, force application mechanism, at least a pair of of folder
Hold mechanism, curved guide mechanism and image processing system.Wherein clamping device is used for clamping test pieces 6；Force application mechanism includes a pair
Support component 2 and driving assembly, wherein support component 2 is movably set on pedestal 1 to support simultaneously fixing and holding mechanism；Driving group
Part drives support component 2 to move；Curved guide mechanism is fixed on pedestal 1, one end be connected to a side surface of test specimen 6 with
Test specimen 6 is limited to be bent to curved guide mechanism direction.It should be noted that the test specimen 6 in the present embodiment is sheet-like resin
Material test specimen.It can certainly be test specimen 6 made of other materials.
As shown in Figures 1 and 2, the pedestal 1 in the present embodiment be equipped with installation curved guide mechanism mounting portion 11 and with
The sliding rail that support component 2 is slidably connected.Specifically, sliding rail includes in pedestal 1 and symmetrically arranged T-type sliding slot 12.
As shown in Figures 1 and 3, the support component 2 in the present embodiment includes T-type shackle member 21 and a pair of symmetrically arranged branch
Support, wherein T-type shackle member 21 blocks to set and is connected to the vertical arm 211 of T-type sliding slot 12 and T-type shackle member 21 and is connected to support frame.
Specifically, the support frame in the present embodiment includes the connecting plate 222 of symmetrically arranged support plate 221, connection support plate 221,
In be located at the connecting plate 222 of bottom and be also attached to the vertical arm 211 of T-type shackle member 21.A pair of of support component 2 in the present embodiment
Opposite sides be equipped with and can accommodate the placement section of clamping device, i.e., the branch for being connected to same T-type sliding slot 12 as shown in Figures 1 and 3
The upper end of fagging 221 towards the opposite sides of another pair support frame is equipped with above-mentioned placement section, wherein placement section and clamping device
It is respectively provided with the rolling joint face that can mutually roll connection.Driving assembly in the present embodiment includes motor and as shown in Figure 1
Screw rod 3, the output end of motor are connected to screw rod 3, and clamping device bottom is equipped with the feed screw nut being threadedly coupled with screw rod 3, so that
Feed screw nut is slidably connected to drive sliding to move in T-type sliding slot 12 with T-type sliding slot 12 by screw rod 3, and wherein screw rod 3 is located at
The thread rotary orientation of guiding mechanism two sides is opposite.It is close to each other or separate with clamping device simultaneously by setting motor driven screw rod 3
Movement, it is ensured that the symmetry of 6 bending force of test specimen, so that the breaking part after bending of test specimen 6 is positioned as close to the symmetrical of test specimen 6
Center, so that the accurate of test result is improved, so as to the cracking resistance of time at more intuitive accurately judgement.
As a kind of interchangeable embodiment, it can also be not provided with driving assembly, by the way that the handle connecting with screw rod 3 is arranged
Hand drives screw rod 3 to rotate so that support component 2 is close to or far from movement by artificial operating handle.
Clamping device in the present embodiment is flexibly connected with support component 2 respectively, a pair of of support component 2 can it is close to each other or
Person is far from movement and clamping device is driven to move.When a pair of of support component 2 is close to each other between a pair of support component 2
Test specimen 6 be bent and drive the clamping device positioned at its end to rotate in support component 2.Specifically, clamping device includes one
To symmetrically arranged cramping body and it is fixedly connected with the locking assembly of cramping body, the clamping as shown in Fig. 1 and Fig. 4, in the present embodiment
Body is semicylinder 41, and correspondingly, the placement section of the present embodiment includes the arc-shaped recess face 2211 towards its inner recess,
Respectively correspondingly formed fluted in the plane of one pair of them semicylinder 41, the groove on the semicylinder 41 of a pair of cooperation is total
The grasping part 411 of 6 end of test specimen can be accommodated with composition.A pair of of semicylinder 41 be fixedly connected after outer circumference surface and placement section
Arcwall face cooperation with realize between the two rolling connection.
Locking assembly in the present embodiment is bolt 42 or screw.It include cramping body and locking by setting clamping device 4
Component, so that gripping for test specimen 6 is more simple and convenient.Simultaneously because clamping device 4 can be rotatablely connected with placement section, therefore its
It also avoids generating reaction force to test specimen 6 due to clamping end is fixed on the basis of ensuring 4 reliable retention of clamping device,
Improve the accuracy of test.
Curved guide mechanism in the present embodiment is set between a pair of of support component 2, that is, is set to as shown in Figures 1 and 2
Mounting portion 11 on pedestal 1.Specifically, curved guide mechanism includes fixing end 51, the movable end 53 of movable adjusting and adjusting
Portion, fixing end 51 are fixed on the mounting portion 11 of pedestal 1, and movable end 53 is connected to test specimen 6, and adjustment portion is connected and fixed end 51 and activity
The position at end 53 and adjustable end 53.Wherein adjustment portion is screw rod 52, screw rod 52 and 53 spiral shell of fixing end 51 and/or movable end
Line connection.By being provided with adjustment portion, test specimen 6 is connected to convenient for adjusting adjustment portion immediately when installing test specimen 6.Certain adjustment portion
It may be alternatively provided as cylinder or elevating lever etc..
Image processing system in the present embodiment includes image collecting device and image processing apparatus, image collecting device example
Such as the bending shape image of 6 different moments of test specimen in several bending processes of high speed high-definition camera equipment shooting, collecting, image procossing
Device is to the parameter obtained when test specimen 6 is in different shape after bending shape image analysis processing.Wherein parameter includes that test specimen 6 exists
The fragmentation parameters of bending deformation morphological parameters and test specimen 6 in fracture in bending process.
Bending shape image is obtained by setting image processing system and analyzes processing, reduces manpower during the test
The amount of labour, and can rapidly and accurately obtain test result.
A kind of crooked crack-resistant performance testing device of the utility model, by the way that gripper mechanism grips test specimen 6, and test specimen is arranged
6 drive clamping device to be rotated in force application mechanism to prevent test specimen 6 from send out clip position by reaction force in bending
The case where raw fracture, occurs, and reduces stress by the bending of the close drive test specimen 6 of support component 2 and concentrate to test specimen bend fracture
Influence, to improve the accuracy of test result；By the way that curved guide mechanism is arranged, the bending direction of test specimen 6 is adjusted, is made
It is controllable to obtain bending direction when test specimen 6 is bent, fixes photographing device when operating so as to the acquisition etc. that take pictures and is not necessarily in somewhere
Adjust other positions, it is ensured that test is gone on smoothly.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of crooked crack-resistant performance testing device characterized by comprising
Pedestal；
At least a pair of of clamping device, is used for clamping test pieces；
Force application mechanism, the force application mechanism are movably set on the pedestal to support and drive the clamping device, the folder
It holds mechanism to be detachably connected with the force application mechanism respectively, a pair of force application mechanism can be close to each other or separate, works as a pair
The test specimen when force application mechanism is close to each other between a pair force application mechanism is bent and drives positioned at its end
The clamping device in portion rotates in the force application mechanism；
Curved guide mechanism, the curved guide mechanism are fixed on the pedestal, and one end is connected to the one of the test specimen
Side surface is bent with limiting the test specimen to curved guide mechanism direction.
2. a kind of crooked crack-resistant performance testing device according to claim 1, which is characterized in that the pedestal is equipped with peace
Dress portion and sliding rail；The mounting portion installs the curved guide mechanism, and the force application mechanism includes support component and driving group
Part, the support component are slidably connected with the sliding rail, and the driving component drives the support component to transport on the sliding rail
It is dynamic.
3. a kind of crooked crack-resistant performance testing device according to claim 2, which is characterized in that the curved guide mechanism
Between a pair of support component, it is fixed on the pedestal and the movable end including movable adjusting, the movable end
It is connected to the test specimen；The curved guide mechanism further includes fixing end and adjustment portion, the adjustment portion and the fixing end and
The movable end connects and adjusts the position of the movable end.
4. a kind of crooked crack-resistant performance testing device according to claim 3, which is characterized in that a pair of support component
Opposite sides be equipped with and can accommodate and support the placement section of the clamping device, the placement section and the clamping device are respectively provided with
The rolling joint face of connection can mutually be rolled.
5. a kind of crooked crack-resistant performance testing device according to claim 4, which is characterized in that the clamping device includes
A pair of symmetrically arranged cramping body and the locking assembly for being fixedly connected with the cramping body, it is corresponding between cramping body described in one pair of them
Ground is formed with the grasping part that can accommodate the test piece end.
6. a kind of crooked crack-resistant performance testing device according to claim 5, which is characterized in that the cramping body is semicircle
Cylinder, the locking assembly are bolt or screw, and the formation in the plane of the semicylinder is fluted, a pair of semicolumn
The groove of body collectively forms the grasping part.
7. a kind of crooked crack-resistant performance testing device according to claim 6, which is characterized in that the driving component includes
Motor and screw rod, the output end of the motor are connected to the screw rod, and the clamping device bottom is equipped with and the wire rod thread
The feed screw nut of connection, wherein the thread rotary orientation that the screw rod is located at the guiding mechanism two sides is opposite.
8. a kind of crooked crack-resistant performance testing device according to claim 7, which is characterized in that the sliding rail includes being set to
Sliding slot in the pedestal；The feed screw nut is slidably connected with the sliding slot.
9. a kind of crooked crack-resistant performance testing device according to any one of claims 1 to 8, which is characterized in that further include
Image processing system, described image processing system include image collecting device and image processing apparatus, described image acquisition device
For the bending shape image of test specimen different moments described in several bending processes of shooting, collecting, described image processing unit is used for
To the parameter obtained after the bending shape image analysis processing when test specimen is in differently curved form.
10. a kind of crooked crack-resistant performance testing device according to claim 9, which is characterized in that the parameter includes institute
State the fragmentation parameters of bending deformation morphological parameters and the test specimen in fracture of test specimen during bending.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822011714.9U CN209589715U (en) | 2018-11-30 | 2018-11-30 | A kind of crooked crack-resistant performance testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822011714.9U CN209589715U (en) | 2018-11-30 | 2018-11-30 | A kind of crooked crack-resistant performance testing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490096A (en) * | 2018-11-30 | 2019-03-19 | 南京交通职业技术学院 | A kind of crooked crack-resistant performance testing device and test method |
| CN112577810A (en) * | 2021-02-25 | 2021-03-30 | 中国科学院地质与地球物理研究所 | Deflection loading device and test equipment |
| CN114136777A (en) * | 2021-11-19 | 2022-03-04 | 中南安全环境技术研究院股份有限公司 | Device for detecting cracking resistance of asphalt mixture and test method |
| CN115855685A (en) * | 2022-12-23 | 2023-03-28 | 宁波(北仑)中科海西产业技术创新中心 | Elastomer bending property test equipment |
-
2018
- 2018-11-30 CN CN201822011714.9U patent/CN209589715U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490096A (en) * | 2018-11-30 | 2019-03-19 | 南京交通职业技术学院 | A kind of crooked crack-resistant performance testing device and test method |
| CN109490096B (en) * | 2018-11-30 | 2024-08-06 | 南京交通职业技术学院 | Bending crack resistance testing device and testing method |
| CN112577810A (en) * | 2021-02-25 | 2021-03-30 | 中国科学院地质与地球物理研究所 | Deflection loading device and test equipment |
| CN114136777A (en) * | 2021-11-19 | 2022-03-04 | 中南安全环境技术研究院股份有限公司 | Device for detecting cracking resistance of asphalt mixture and test method |
| CN114136777B (en) * | 2021-11-19 | 2024-08-02 | 湖北省交通规划设计院股份有限公司 | Device and test method for detecting cracking resistance of asphalt mixture |
| CN115855685A (en) * | 2022-12-23 | 2023-03-28 | 宁波(北仑)中科海西产业技术创新中心 | Elastomer bending property test equipment |
| CN115855685B (en) * | 2022-12-23 | 2024-02-20 | 宁波(北仑)中科海西产业技术创新中心 | Elastomer bending property test equipment |
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