CN205003060U - Bond and connect off -line loading device of weatherability experiment - Google Patents
Bond and connect off -line loading device of weatherability experiment Download PDFInfo
- Publication number
- CN205003060U CN205003060U CN201520727458.7U CN201520727458U CN205003060U CN 205003060 U CN205003060 U CN 205003060U CN 201520727458 U CN201520727458 U CN 201520727458U CN 205003060 U CN205003060 U CN 205003060U
- Authority
- CN
- China
- Prior art keywords
- double
- web member
- shaped web
- bonded joint
- pin shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a bond and connect off -line loading device of weatherability experiment, include: the main frame, its frame -type of setting the middle part fretwork to, go up double -H groove weld type connecting piece, its upper portion and lower part are set the U type to and are described, the upper portion fixed connection who goes up double -H groove weld type connecting piece lower part and bond and connect, lower double -H groove weld type connecting piece, its upper portion and lower part are set the U type to and are described, the lower part and the main frame fixed connection of lower double -H groove weld type connecting piece, the upper portion and the joint fixed connection that bonds, loading device, its with it connects to go up the upper portion of double -H groove weld type connecting piece and the upper portion of main frame, loading device can apply ascending pulling force load to last double -H groove weld type connecting piece, the extensometer, its with the bonding articulate to detect the deformation that bonds and connect. The utility model discloses can carry out the off -line loading to a plurality of bonding test pieces simultaneously, shorten test duration greatly, improve experimental efficiency, reduce the experiment cost.
Description
Technical field
The utility model relates to the test of bonding agent intensity experiment and technical field, is specifically related to the off-line type charger of a kind of bonded joint weatherability experiment.
Background technology
Along with the fast development of bonding agent and adhesive technology, adhesive technology is subject to extensive concern in Rail car manufacture field.In order to automobile lightweight target, new material obtains a large amount of use on body structure, conventional coupling arrangement is subject to very large challenge as welding, riveted joint etc., cannot meet the connection request of new material, and adhesive technology obtains increasing attention as the connected mode of a kind of advanced person.
Due to, be subject to the impact of various environmental aspect in bonded structure use procedure, so bonded structure needs to carry out weatherability experiment, weatherability experiment each cycle needs through high/low temperature circulation, and once experiment needs about 25 ~ 30 days, and experimental period is long.Although, existing band environmental cabinet testing machine can carry out the experiment of loading weatherability to bonded joint, but, the testing machine test of band environmental cabinet is used to only can be used in line formula load mode, which once can only load a test specimen, weatherability experiment needs dozens of test specimen, so just greatly extends experimental period and increases experimental cost.Therefore need to relate to a kind of bonded joint weatherability experimental provision, realize multiple test specimen and load, to reduce experimental cost simultaneously.
Utility model content
The purpose of this utility model solves and uses the testing machine test of band environmental cabinet to only can be used in line formula load mode in prior art in the experiment of bond weatherability, and once can only load the defect of a test specimen, provide the off-line type charger of a kind of bonded joint weatherability experiment, realize off-line to load bond, greatly reduce experimental cost.
Another object of the present utility model is the reduction solving the loading force caused because of the change of material property in off-line loading procedure, provides a kind of nonlinear elasticity device, to ensure the constant of loaded load.
The technical scheme that the utility model provides is:
An off-line type charger for bonded joint weatherability experiment, comprises
Main frame, it is arranged to the frame-type of hollow;
Upper double-U-shaped web member, U-shaped shape is arranged in its upper and lower, the upper articulation of described double-U-shaped web member bottom and bonded joint, and the U-shaped shape structure in two, upper and lower of described double-U-shaped web member is 90 ° of layouts;
Lower double-U-shaped web member, U-shaped shape is arranged in its upper and lower, and the bottom of described lower double-U-shaped web member is fixedly connected with main frame, top and bonded joint hinged, the U-shaped shape structure in two, upper and lower of described lower double-U-shaped web member is 90 ° of layouts;
Charger, it is connected with the described top of double-U-shaped web member and the top of main frame, and described charger can to upper double-U-shaped web member applying drag load upwards;
Extensometer, it is in order to detect the deformation of bonded joint.
Preferably, described charger comprises:
Loading bolt, bolt column is arranged on its top, middle part is provided with square orienting lug, bottom is provided with pin shaft hole, the top of described double-U-shaped web member is also provided with pin shaft hole, the top using bearing pin to pass upper double-U-shaped web member is also provided with the pin shaft hole of pin shaft hole and loading bolt bottom, and loading bolt and upper double-U-shaped web member are fixed; Described main frame top offers square pilot hole, and described pilot hole matches with orienting lug, can only rectilinear motion up and down to limit described loading bolt;
Auxiliary frame, it is arranged at above described main frame, starts there is circular hole above described auxiliary frame, and the bolt column on described loading bolt top passes from circular hole; And
Load nut, it to be arranged on above described auxiliary frame and to coordinate with described loading bolt upper bolt post, rotates described loading nut and described loading bolt can be made to move upward to realize loading bonded joint.
Preferably, replaceable spring device is provided with between described loading nut and auxiliary frame, described replaceable spring device comprises replaceable spring, upper locating sleeve and lower locating sleeve, described replaceable spring to be arranged between locating sleeve and lower locating sleeve and to be linked on loading bolt, to position replaceable spring.
Preferably, the upper and lower two ends of described bonded joint are provided with pin shaft hole, the bottom of described double-U-shaped web member and the top of lower double-U-shaped web member are also provided with pin shaft hole, are fixedly connected with at the two ends up and down of bonded joint through pin shaft hole by bearing pin with the bottom of upper double-U-shaped web member with the top of lower double-U-shaped web member.
Preferably, described main frame bottom is provided with the pin shaft hole that at least two row vertically arrange, the bottom of described lower double-U-shaped web member is also provided with pin shaft hole, lower double-U-shaped web member is fixedly connected with main frame through pin shaft hole by bearing pin, and can change the upper-lower position of described lower double-U-shaped web member relative to main frame.
Preferably, the pin shaft hole of described main frame bottom is provided with 4 row.
Preferably, the centre distance of adjacent two pin shaft holes of described main frame bottom is less than the adjustable displacement of described charger.
Preferably, also packing ring has been provided with between described loading nut and auxiliary frame.
Preferably, in the middle part of loading bolt, fillet is arranged in the lower end of orienting lug.
Preferably, be provided with compressible elastomeric part between described loading nut and auxiliary frame, described compressible elastomeric part can discharge elastic force after being loaded nut compression, and described elastic force F is
k
2≤0.01N/m，l
2-l
1＝5mm
Wherein, k
1be the first rigidity, k
2be the second rigidity, l
1be the first decrement, l
2be the second decrement, s is that compressible elastomeric part is actual in decrement, F
ifor experiment load.
The beneficial effects of the utility model are: the off-line type charger that the utility model provides the experiment of a kind of bonded joint weatherability can realize use testing machine and carries out off-line type loading to multiple bonding test specimen simultaneously, use environmental cabinet can be realized and weatherability experiment is carried out to multiple test specimen simultaneously, substantially reduce the test period, improve conventional efficient, reduce experimental cost.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of the off-line type charger of bonded joint weatherability described in the utility model experiment.
Fig. 2 is the off-line type charger installation site schematic diagram of bonded joint weatherability described in the utility model experiment.
Fig. 3 is main frame structure schematic diagram described in the utility model.
Fig. 4 is bonded joint structural representation described in the utility model.
Fig. 5 is loading bolt structural representation described in the utility model.
Fig. 6 is the general structure schematic diagram of another embodiment of off-line type charger of bonded joint weatherability described in the utility model experiment.
Fig. 7 is another embodiment installation site schematic diagram of off-line type charger of bonded joint weatherability described in the utility model experiment.
Fig. 8 is replaceable spring device structural representation described in the utility model.
Fig. 9 is extensometer structural representation described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
As shown in Figure 1 and Figure 2, the utility model provides the off-line type charger of a kind of bonded joint weatherability experiment, comprises main frame 110, upper double-U-shaped web member 120, lower double-U-shaped web member 130, charger and extensometer 140.
As shown in Figure 3, described main frame 110 is arranged to the frame-type of hollow, and namely main frame 110 is provided with face, four, upper and lower, left and right, does not have former and later two faces, and middle part is hollow.The long 334mm of main frame 110, wide 65mm, high 60mm, the frame thickness of both sides is 10mm, and described main frame 110 top is provided with square pilot hole 111, and described pilot hole 111 length of side is 18.5mm, and hole depth is 30mm.Be provided with 4 marketing axis holes 112,113,114,115 in main frame 110 bottom, this four lines pin shaft hole 112,113,114,115 is vertically arranged and centre distance between adjacent two pin shaft holes is 20mm.
U-shaped shape is all arranged in the upper and lower of upper double-U-shaped web member 120, and U-shaped shape is also arranged in the upper and lower of lower double-U-shaped web member 130.The U-shaped shape structure wherein going up double-U-shaped web member 120 upper and lower is 90 ° of angles, and lower double-U-shaped web member 130 is identical with the structure of upper double-U-shaped web member 120.The upper and lower of upper double-U-shaped web member 120 is respectively arranged with pin shaft hole, and the upper and lower of lower double-U-shaped web member 130 is respectively arranged with pin shaft hole.Consult Fig. 4 in the lump, bonded joint 150 comprises the first joint 151, second joint 152 and between the first joint 151 and the second joint 152, for the glue-line 153 the first joint 151 and the second joint 152 are bonded together.First joint 151 one end is provided with pin shaft hole 154, and one end of the second joint 152 is provided with pin shaft hole 155.Pass with bearing pin 116 between the pin shaft hole of upper double-U-shaped web member 120 bottom and the pin shaft hole 154 on the first joint 151 top, double-U-shaped web member 120 is fixed with bonded joint 150.Descend between the pin shaft hole 155 on the pin shaft hole on double-U-shaped web member 130 top and the second joint 152 and pass with bearing pin 116, lower double-U-shaped web member 130 and bonded joint 150 are secured together.One of them passes with bearing pin 116 to descend the four lines pin shaft hole 112,113,114,115 of the pin shaft hole of double-U-shaped web member 130 bottom and main frame 110 bottom, to be fixed with main frame 110 by lower double-U-shaped web member 130.
Charger comprises auxiliary frame 161, loading bolt 162, loads nut 163.
The long 45mm of auxiliary frame 161, wide 65mm, high 60mm, top center has the circular hole of diameter 5mm, and bottom has high 22mm, the square groove of wide 45mm, and auxiliary frame 161 is fixed on main frame 110 top.As shown in Figure 5, loading bolt 162 top is provided with bolt column 166, middle part is provided with square orienting lug 164, bottom is provided with pin shaft hole 165, pin shaft hole and the pin shaft hole 165 on the top of described double-U-shaped web member 120 are fixed together by bearing pin 116, bolt column 166 passes from the circular hole auxiliary frame 161, and is fixed by loading nut 163 above auxiliary frame 161.Square orienting lug 164 matches with the pilot hole 111 on main frame 110, to limit described orienting lug 164 3 rotational freedoms and two translational degree of freedom, orienting lug 164 can only be moved up and down along pilot hole 111 direction.Bolt column 166 realizes the force of the bonding test specimen of weatherability 150 and locked by it loading nut 163.When rotating loading nut 163, because square orienting lug 164 matches with pilot hole 111, limit the degree of freedom of orienting lug 164, make it can only move up and down along pilot hole 111 direction, thus orienting lug 164 can not going down moment of torsion, can only to the parts applying pulling force be upwards connected to below orienting lug 164, namely bonded joint can not twist, and eliminates the impact of moment of torsion on bonded joint.
In another embodiment, below nut 163, pad 167 is also placed with.Be provided with compressible elastomeric part between described loading nut 163 and auxiliary frame 161, described compressible elastomeric part is loaded after nut 163 compresses can discharge elastic force, and described elastic force F is:
k
2≤0.01N/m，l
2-l
1＝5mm
Wherein, k
1be the first rigidity, k
2be the second rigidity, l
1be the first decrement, l
2be the second decrement, s is that compressible elastomeric part is actual in decrement, F
ifor experiment load.
Compressible elastomeric part is nonlinear elastic component, l
1with l
2between be the operation interval of compressible elastomeric part, in this operation interval, the rigidity of compressible elastomeric part is very little, when screw load nut 163 for bonding connect he 150 apply drag load time, compressible elastomeric part can be compressed, when compressible elastomeric part by the amount compressed is
time, be namely just in time compressed to a half of operation interval, elastic force is now experiment load F
i.In test experiment process, due to the change of material property, the length of material can change, and directly impact is exactly that load can reduce, and is now compensated the load reduced by the elastic force of compressible elastomeric.Due in operation interval, the rigidity of compressible elastomeric part is very little, and therefore elastic force can not change a lot, under the load suffered by bonded joint can be kept to remain on metastable state.
As shown in Figure 6, Figure 7, in another embodiment, replaceable spring device 170 is provided with between described nut 163 and auxiliary frame 161.Consult Fig. 8 in the lump, described replaceable spring device comprises upper gasket 171, replaceable spring 172, upper locating sleeve 173, lower locating sleeve 174, lower gasket 175, loads by regulating loading nut 163 pairs of test specimens; Replaceable spring 172 is placed on the bolt column on guide block loading bolt 162 top, spring top and bottom are overlapped respectively locating sleeve, described upper locating sleeve 173, lower locating sleeve 174 are provided with locating slot, in replaceable spring 172 compression process, by locating slot inner position in the face of replaceable spring 172 positions.
Described replaceable spring 172 is springs of one group of different-stiffness, and its length is not less than 30mm, and its decrement is 10 ~ 20mm, and namely maximum compressibility is 20mm, descends decrement to be 10mm most.According to weatherability experiment maximum load F
0and maximum compression deflection 20mm, use formula
determine spring maximum stiffness K
max.In order to ensure fully to cover between each grade spring rate, suggestion ratio of rigidity β exists
between select, can avoid dividing equally and produce unnecessary spring, cause waste.By maximum stiffness K
maxn grade is divided into, K by ratio of rigidity β
1=K
max, K
2=β K
max, K
3=β
2k
max..., K
n=β
n-1k
max, progression n really normal root, according to above-mentioned formula, guarantees that minimum experiment load is not more than 50N, namely
one group of spring is processed by each grade rigidity value.During each experiment, based on experiment load F
i, choose a stiffness coefficient and exist
with
between spring test.Preferred as one, by maximum stiffness K
maxby ratio of rigidity
be divided into 15 grades, K
1=335 (N/mm), K
2=225 (N/mm), K
3=150 (N/mm), K
4=100 (N/mm), K
5=65 (N/mm), K
6=44 (N/mm), K
7=29.25 (N/mm), K
8=19.5 (N/mm), K
9=13 (N/mm), K
10=8.5 (N/mm), K
11=5.5 (N/mm), K
12=3.9 (N/mm), K
13=2.55 (N/mm), K
14=1.7 (N/mm), K
15=1.15 (N/mm), according to
meet the demands during checking n=12, progression n gets 12.During experiment load F=2000N, stiffness coefficient K, between 100 (N/mm) and 200 (N/mm), can select stiffness K
3=150 (N/mm) or K
4=100 (N/mm), consider that spring has certain range of adjustment, select spring rate K
3test.
As shown in Figure 9, described extensometer 140 comprises the edge of a knife 147 under the edge of a knife 141 on extensometer, extensometer gage length pin 142, extensometer upper arm 143, electronic sensor 144, data line 145, extensometer underarm 146, extensometer.Measure bonded joint 150 by extensometer 140 and be applied in the deformation after load.
The process that the off-line type charger of the bonded joint weatherability experiment using the utility model to provide carries out weatherability experiment to bonded joint is as follows:
Step one: the maximum experiment load F of bonded joint when determining to test
0, and by maximum experiment load F
0be divided into n grade, n is more than or equal to 2, and wherein the load of i-th grade is
i=1 ..., n.Preferred as one, by maximum experiment load F
0be divided into 10 grades, i.e. n=10.
Wherein, maximum experiment load F is determined
0bonded joint is installed in the examination experimental machine that stretches and carries out stretching experiment by Shi Shouxian, respectively environment temperature is arranged to high temperature, normal temperature and low temperature, record the crushing load of bonded joint respectively, and select wherein minimum crushing load as Materials Fracture load, get 60% ~ 80% maximum experiment load F tested as weatherability of crushing load
0, preferred as one, select 70% of the crushing load maximum experiment load F tested as weatherability
0.
Determining maximum experiment load F
0after also need to determine at experiment load F
ithe deformation of lower bonded joint, uses the examination experimental machine that stretches to carry out on-line loaded to bonded joint, uses extensometer to measure the deformation of bonded joint simultaneously, obtain each experiment load F
i, i=1 ..., deformation quantity during n.
Step 2: bonded joint one end and off-line charger bottom are fixed, the other end is connected with the charger of off-line charger, by regulating loading nut to be bonded joint imposed load, while carrying out step 2, use extensometer to measure the deformation of bonded joint, indirectly obtain the magnitude of load of bonded joint, when testing load F in the deformation and step one of extensometer measurement
ideformation quantity equal time, stop continue load, now the load of known bonded joint equals the load of i-th grade is F
i.
Step 3: bonded joint is positioned in environmental cabinet together with off-line charger, temperature in environmental cabinet circulates from high temperature, normal temperature to low temperature, often complete 5 ~ 10 cycles, take out bonded joint and off-line charger, and re-start off-line and be loaded on load F
i, again put into environmental cabinet and carry out temperature cycles, to eliminate material parameter change to the impact of experiment load, repeat this step until complete m temperature cycles, wherein m is more than or equal to 2.Preferred as one, m=60.
Step 4: take off bonded joint, carries out stretching experiment to bonded joint, record bonded joint crushing load and breaking strain;
Step 5: repeat step 2 to four, record i from the bonded joint crushing load 1 to n each grade load and breaking strain, and is depicted as fragmentation parameters relation curve.The impact of load on bonding test specimen weatherability can be judged by line according to plan relation song.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. an off-line type charger for bonded joint weatherability experiment, is characterized in that, comprise
Main frame, it is arranged to the frame-type of hollow;
Upper double-U-shaped web member, U-shaped shape is arranged in its upper and lower, the upper articulation of described double-U-shaped web member bottom and bonded joint, and the U-shaped shape structure in two, upper and lower of described double-U-shaped web member is 90 ° of layouts;
Lower double-U-shaped web member, U-shaped shape is arranged in its upper and lower, and the bottom of described lower double-U-shaped web member is fixedly connected with main frame, top and bonded joint hinged, the U-shaped shape structure in two, upper and lower of described lower double-U-shaped web member is 90 ° of layouts;
Charger, it is connected with the described top of double-U-shaped web member and the top of main frame, and described charger can to upper double-U-shaped web member applying drag load upwards;
Extensometer, it is in order to detect the deformation of bonded joint.
2. the off-line type charger of bonded joint weatherability experiment according to claim 1, it is characterized in that, described charger comprises:
Loading bolt, bolt column is arranged on its top, middle part is provided with square orienting lug, bottom is provided with pin shaft hole, the top of described double-U-shaped web member is also provided with pin shaft hole, the top using bearing pin to pass upper double-U-shaped web member is also provided with the pin shaft hole of pin shaft hole and loading bolt bottom, and loading bolt and upper double-U-shaped web member are fixed; Described main frame top offers square pilot hole, and described pilot hole matches with orienting lug, can only rectilinear motion up and down to limit described loading bolt;
Auxiliary frame, it is arranged at above described main frame, starts there is circular hole above described auxiliary frame, and the bolt column on described loading bolt top passes from circular hole; And
Load nut, it to be arranged on above described auxiliary frame and to coordinate with described loading bolt upper bolt post, rotates described loading nut and described loading bolt can be made to move upward to realize loading bonded joint.
3. the off-line type charger of bonded joint weatherability experiment according to claim 2, it is characterized in that, replaceable spring device is provided with between described loading nut and auxiliary frame, described replaceable spring device comprises replaceable spring, upper locating sleeve and lower locating sleeve, described replaceable spring to be arranged between locating sleeve and lower locating sleeve and to be linked on loading bolt, to position replaceable spring.
4. the off-line type charger of bonded joint weatherability experiment according to claim 1, it is characterized in that, the upper and lower two ends of described bonded joint are provided with pin shaft hole, the bottom of described double-U-shaped web member and the top of lower double-U-shaped web member are also provided with pin shaft hole, are fixedly connected with at the two ends up and down of bonded joint through pin shaft hole by bearing pin with the bottom of upper double-U-shaped web member with the top of lower double-U-shaped web member.
5. the off-line type charger of bonded joint weatherability experiment according to claim 1, it is characterized in that, described main frame bottom is provided with the pin shaft hole that at least two row vertically arrange, the bottom of described lower double-U-shaped web member is also provided with pin shaft hole, lower double-U-shaped web member is fixedly connected with main frame through pin shaft hole by bearing pin, and can change the upper-lower position of described lower double-U-shaped web member relative to main frame.
6. the off-line type charger of bonded joint weatherability experiment according to claim 1, it is characterized in that, the pin shaft hole of described main frame bottom is provided with 4 row.
7. the off-line type charger of bonded joint weatherability experiment according to claim 6, it is characterized in that, the centre distance of adjacent two pin shaft holes of described main frame bottom is less than the adjustable displacement of described charger.
8. the off-line type charger of bonded joint weatherability experiment according to claim 1, is characterized in that, be also provided with packing ring between described loading nut and auxiliary frame.
9. the off-line type charger of bonded joint weatherability experiment according to claim 1, it is characterized in that, in the middle part of loading bolt, fillet is arranged in the lower end of orienting lug.
10. the off-line type charger of bonded joint weatherability experiment according to claim 2, it is characterized in that, be provided with compressible elastomeric part between described loading nut and auxiliary frame, described compressible elastomeric part can discharge elastic force after being loaded nut compression, and described elastic force F is
k
2≤0.01N/m，l
2-l
1＝5mm
Wherein, k
1be the first rigidity, k
2be the second rigidity, l
1be the first decrement, l
2be the second decrement, s is that compressible elastomeric part is actual in decrement, F
ifor experiment load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727458.7U CN205003060U (en) | 2015-09-18 | 2015-09-18 | Bond and connect off -line loading device of weatherability experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727458.7U CN205003060U (en) | 2015-09-18 | 2015-09-18 | Bond and connect off -line loading device of weatherability experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205003060U true CN205003060U (en) | 2016-01-27 |
Family
ID=55159943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520727458.7U Expired - Fee Related CN205003060U (en) | 2015-09-18 | 2015-09-18 | Bond and connect off -line loading device of weatherability experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205003060U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115884A (en) * | 2015-09-18 | 2015-12-02 | 吉林大学 | Off-line loading device for weather-resistant test of bonding connector |
| CN106995976A (en) * | 2017-05-19 | 2017-08-01 | 劲派经编科技有限公司 | A kind of high speed jacquard tricot machine |
| CN112730207A (en) * | 2020-12-16 | 2021-04-30 | 贵州电网有限责任公司 | Weather-resistant steel iron tower bolt connection part test device and test method thereof |
-
2015
- 2015-09-18 CN CN201520727458.7U patent/CN205003060U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115884A (en) * | 2015-09-18 | 2015-12-02 | 吉林大学 | Off-line loading device for weather-resistant test of bonding connector |
| CN105115884B (en) * | 2015-09-18 | 2018-02-16 | 吉林大学 | A kind of off-line type loading device of bonded joint weatherability experiment |
| CN106995976A (en) * | 2017-05-19 | 2017-08-01 | 劲派经编科技有限公司 | A kind of high speed jacquard tricot machine |
| CN112730207A (en) * | 2020-12-16 | 2021-04-30 | 贵州电网有限责任公司 | Weather-resistant steel iron tower bolt connection part test device and test method thereof |
| CN112730207B (en) * | 2020-12-16 | 2024-05-17 | 贵州电网有限责任公司 | Test device and test method for bolt connection part of weathering steel tower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102288483B (en) | Supporting clamp for compression stabilization experiment of reinforced wallboard and supporting coefficient testing method for end socket | |
| CN205003060U (en) | Bond and connect off -line loading device of weatherability experiment | |
| CN104749049B (en) | A kind of rock mass discontinuity shearing test method and device | |
| CN207300737U (en) | The strain full curve measuring device of concrete in uniaxial compression chord | |
| CN102183412B (en) | Tension-shear coupling characteristic tester of asphalt concrete material | |
| Lahuerta et al. | Wind turbine blade trailing edge failure assessment with sub-component test on static and fatigue load conditions | |
| CN104792629A (en) | Handheld constant rigidity ring shear apparatus and using method thereof | |
| CN205352857U (en) | Servo horizontal pressure testing machine that draws of electricity liquid | |
| CN103033565A (en) | Acoustical emitting and resistivity joint monitoring device and monitoring method of fracture process of rock specimen | |
| CN105643131A (en) | Device for testing cold cracking tendency of welding joint on basis of adjustable rigid restraint and apparition of device | |
| CN205808825U (en) | A kind of electronics tensile and compression testing machine | |
| CN102607955A (en) | Biaxial compression test device for fractured rock mass | |
| CN102879276A (en) | Integrated asphaltic mixture performance detection device | |
| CN103335902A (en) | Bending fatigue test system and method for real pipelines | |
| CN205719811U (en) | A kind of three-point bending performance test frock | |
| CN106932276A (en) | The axial tension test device of cement-base composite material test specimen | |
| CN207937266U (en) | polluted soil tensile strength tester | |
| CN206593969U (en) | The axial tension test device of cement-base composite material test specimen | |
| CN105136565A (en) | Off-line type loading method for weather resistance test of bonding adapter | |
| CN108801622A (en) | Air spring three-dimensional Combined Loading fatigue experimental device and method | |
| CN205665109U (en) | Portable two -way load combined action capability test device of node that passes through mutually | |
| CN105115839B (en) | One kind transmission pivoted arm fatigue tester | |
| CN105115884A (en) | Off-line loading device for weather-resistant test of bonding connector | |
| Chen et al. | Fracture modeling of AHSS in component crush tests | |
| CN103921171B (en) | A kind of wide range piezoresistance type high-frequency rings fixed four component Milling Force sensors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20180918 |