CN112611649A - Unconventional test piece loading device in high-temperature environment - Google Patents
Unconventional test piece loading device in high-temperature environment Download PDFInfo
- Publication number
- CN112611649A CN112611649A CN202011242196.7A CN202011242196A CN112611649A CN 112611649 A CN112611649 A CN 112611649A CN 202011242196 A CN202011242196 A CN 202011242196A CN 112611649 A CN112611649 A CN 112611649A
- Authority
- CN
- China
- Prior art keywords
- test piece
- connecting rod
- clamping block
- temperature environment
- clamping
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application belongs to the technical field of high-temperature loading tests, and particularly relates to an unconventional test piece loading device in a high-temperature environment. The method comprises the following steps: the test device comprises a test piece, a first clamping assembly, a second clamping assembly, a first switching assembly, a second switching assembly and a high-temperature environment box. The test piece is mounted and fixed by adopting the dovetail groove structure, so that the test piece cannot slip or be damaged due to high-temperature deformation of the clamp in the high-temperature test process; the stopper and the baffle plate are adopted to limit the movement of the test piece in the dovetail groove, so that the stable application of the load is facilitated. The method can load the non-hole plate type test piece and the non-threaded rod type test piece in a high-temperature loading test, can prevent the fixture from deforming and the test piece from slipping under a high-temperature condition, is convenient for dismounting the test piece, can operate with temperature, and is suitable for batch tests; the test device can also be expanded in various forms, and is suitable for high-temperature loading tests of test pieces with different specifications and shapes under the same test device.
Description
Technical Field
The application belongs to the technical field of high-temperature loading tests, and particularly relates to an unconventional test piece loading device in a high-temperature environment.
Background
The heating test under the test room environment is generally realized by a high-temperature environment box, the unidirectional tension and compression loading test is generally realized by a testing machine, and the tension and compression loading test under the high-temperature environment needs to connect the high-temperature environment box and the testing machine for matching use so as to complete the heat load combined test.
Ordinary hydraulic pressure and electric tensile testing machine can not directly work under the high temperature condition, if want to realize that the testing machine carries out high temperature loading test in high temperature environment case, then need carry out the loading through experimental loading structure thereby accomplish the experiment. For a plate type perforated test piece of the national military standard, the fixed loading can be carried out through bolts; for a national military standard rod type threaded test piece, loading can be carried out through a matched threaded test device. However, for the plate-type test piece without the hole and the rod-type test piece without the thread, the common clamping loading mode cannot fix the loading due to the deformation of the loading clamp under the high-temperature condition, and the slipping and the damage are easily caused.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The application aims to provide an unconventional test piece loading device in a high-temperature environment so as to solve at least one problem existing in the prior art.
The technical scheme of the application is as follows:
an unconventional test piece loading device in a high-temperature environment, comprising:
the test piece is provided with a first clamping end and a second clamping end;
the first clamping assembly comprises a first clamping block, first stop blocks, first baffle plates and first fasteners, a dovetail groove is formed in the first clamping block, a first clamping end of the test piece is installed in the dovetail groove from the side face of the first clamping block, and the two first stop blocks are respectively arranged on two sides of the first clamping end and are matched with the first baffle plates and the first fasteners for fixing;
the second clamping assembly comprises a second clamping block, a second stop block, a second baffle and a second fastener, a dovetail groove is formed in the second clamping block, a second clamping end of the test piece is installed in the dovetail groove from the side face of the second clamping block, and the two second stop blocks are respectively arranged on two sides of the second clamping end and are matched with the second baffle and the second fastener for fixing;
the first transfer assembly comprises a first transfer connecting rod and a first connecting joint, one end of the first transfer connecting rod is connected with the first clamping block, and the other end of the first transfer connecting rod is connected with the testing machine through the first connecting joint;
the second switching assembly comprises a second switching connecting rod and a second connector, one end of the second switching connecting rod is connected with the second clamping block, and the other end of the second switching connecting rod is connected with the testing machine through the second connector;
the high-temperature environment box is used for accommodating the test piece, the first clamping assembly and the second clamping assembly, and a through hole for the first switching connecting rod and the second switching connecting rod to pass through is formed in the high-temperature environment box.
Optionally, the first baffle and the second baffle are mounted in a snap-fit manner.
Optionally, the first fastener and the second fastener are both bolts.
Alternatively,
the first clamping block is provided with a threaded hole, the first transfer connecting rod is provided with a threaded section, and the first transfer connecting rod is connected with the first clamping block in a threaded fit manner;
the second clamping block is provided with a threaded hole, the second switching connecting rod is provided with a threaded section, and the second switching connecting rod is connected with the second clamping block in a threaded fit mode.
Alternatively,
the first adapter connecting rod is provided with a threaded hole, a threaded section is arranged on the first connector, and the first connector is connected with the first adapter connecting rod in a threaded fit manner;
the second switching connecting rod is provided with a threaded hole, the second connecting joint is provided with a threaded section, and the second connecting joint is in threaded fit connection with the second switching connecting rod.
Alternatively,
a cooling water channel is arranged on the first connector, and the first connector is connected with a cooling water device;
and a cooling water channel is arranged on the second connector, and the second connector is connected with a cooling water device.
The invention has at least the following beneficial technical effects:
the unconventional test piece loading device under the high temperature environment of this application can load to the stick formula test piece that does not take the orifice plate formula test piece and does not take the screw thread in high temperature loading test, can prevent that anchor clamps warp under the high temperature condition, and the test piece slippage makes things convenient for the dismouting.
Drawings
FIG. 1 is an exploded view of a non-conventional test piece loading apparatus in a high temperature environment according to one embodiment of the present application;
FIG. 2 is an assembly view of a non-conventional test piece loading device in a high temperature environment according to one embodiment of the present application.
Wherein:
1-test piece; 2-a first clamping assembly; 21-a first clamping block; 22-a first stop; 23-a first baffle; 24-a first fastener; 3-a second clamping assembly; 31-a second clamping block; 32-a second stop; 33-a second baffle; 34-a second fastener; 4-a first adapter assembly; 41-a first transfer link; 42-a first connector; 5-a second adapter component; 51-a second transfer link; 52-a second connector; 6-high temperature environment box.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application is described in further detail below with reference to fig. 1-2.
The application provides an unconventional test piece loading device under high temperature environment includes: the test piece comprises a test piece 1, a first clamping assembly 2, a second clamping assembly 3, a first switching assembly 4, a second switching assembly 5 and a high-temperature environment box 6.
Specifically, a first clamping end and a second clamping end are respectively arranged at two ends of the test piece 1; the first clamping assembly 2 comprises a first clamping block 21, a first stop block 22, a first baffle plate 23 and a first fastener 24, wherein the first clamping block 21 is provided with a dovetail groove, a first clamping end of the test piece 1 is installed in the dovetail groove from the side surface of the first clamping block 21, and the first stop block 22 comprises two first stop blocks which are respectively arranged at two sides of the first clamping end in the dovetail groove and are matched with the first baffle plate 23 and the first fastener 24 for fixing; the second clamping assembly 3 comprises a second clamping block 31, a second baffle 32, a second baffle 33 and a second fastener 34, a dovetail groove is formed in the second clamping block 31, a second clamping end of the test piece 1 is installed in the dovetail groove from the side face of the second clamping block 31, the second baffle 32 comprises two second clamping ends which are respectively arranged on two sides of the second clamping end in the dovetail groove and are matched with the second baffle 33 and the second fastener 34 for fixing. The first clamping block 21 and the second clamping block 32 can limit the first clamping end and the second clamping end of the corresponding test piece 1 to move in the dovetail groove, so that the application of load is facilitated.
Further, the first transfer assembly 4 comprises a first transfer link 41 and a first connector 42, one end of the first transfer link 41 is connected with the first clamping block 21, and the other end is connected with the testing machine through the first connector 42; the second switching assembly 5 comprises a second switching connecting rod 51 and a second connector 52, one end of the second switching connecting rod 51 is connected with the second clamping block 31, and the other end is connected with the testing machine through the second connector 52.
The unconventional test piece loading device in the high-temperature environment further comprises a high-temperature environment box 6, wherein the high-temperature environment box 6 is used for accommodating the test piece 1, the first clamping assembly 2 and the second clamping assembly 3, and a through hole for the first transfer connecting rod 41 and the second transfer connecting rod 51 to pass through is formed in the high-temperature environment box 6.
In one embodiment of the present application, the first shutter 23 and the second shutter 33 are attached by a snap-fit method. After the first clamping end of the test piece 1 is mounted in the dovetail groove of the first clamping block 21, the first stop blocks 21 are respectively arranged on two sides of the first clamping end, then the first baffle plate 23 is overlapped on the side wall of the first clamping block on the corresponding side, and the first baffle plate 23 is fixed through the first fastening piece 24, so that the first clamping end of the test piece 1 is limited to move in the dovetail groove. Similarly, after the second clamping end of the test piece 1 is mounted in the dovetail groove of the second clamping block 31, two second stoppers 31 are respectively arranged on two sides of the second clamping end, then the second baffle 33 is lapped on the side wall of the second clamping block on the corresponding side, and the second baffle 33 is fixed through the second fastening piece 34, so that the second clamping end of the test piece 1 is limited to move in the dovetail groove. The baffle of this application adopts the type of hasp, can not lead to test piece 1 can't be torn open and get because of material deformation under the high temperature to save the time of tearing open and changing test piece 1 greatly, be particularly suitable for batch test.
In one embodiment of the present application, the first fastener 24 and the second fastener 34 may be bolts.
In an embodiment of the application, the clamping blocks are connected with the adapter link by threads, specifically, a threaded hole is formed in the first clamping block 21, a threaded section is formed on the first adapter link 41, and the first adapter link 41 is connected with the first clamping block 21 by thread fit; a threaded hole is formed in the second clamping block 31, a threaded section is formed in the second switching connecting rod 51, and the second switching connecting rod 51 is connected with the second clamping block 31 in a threaded fit mode. In this embodiment, the adapter link and the connector are also in threaded connection, specifically, a threaded hole is formed in the first adapter link 41, a threaded section is formed in the first connector 42, and the first connector 42 and the first adapter link 41 are in threaded fit connection; the second adapter link 51 is provided with a threaded hole, the second connector 52 is provided with a threaded section, and the second connector 52 is connected with the second adapter link 51 in a threaded fit manner. The first and second transfer links 41 and 51 serve as a transition structure, and the length thereof can be adjusted according to the length of different test pieces 1.
In one embodiment of the present application, the first connector 42 and the second connector 52 are fixed to the testing machine by bolts. Advantageously, in this embodiment, a cooling water channel is further disposed on the first connector 42, the first connector 42 is connected to a cooling water device, a cooling water channel is disposed on the second connector 52, the second connector 52 is connected to the cooling water device, and the cooling water device is used to cool the corresponding connector in the test process, so as to prevent the test machine from being damaged due to the excessively high temperature of the transmission.
According to the unconventional test piece loading device in the high-temperature environment, the test piece 1 is installed and fixed by adopting the dovetail groove structure, so that the test piece is prevented from slipping or being damaged due to high-temperature deformation of the clamp in the high-temperature test process; the stopper and the baffle plate are adopted to limit the movement of the test piece 1 in the dovetail groove, so that the stable application of the load is facilitated. According to the method, a plate type test piece without a hole and a rod type test piece without a thread of the national military standard can be loaded in a high-temperature loading test, so that the fixture can be prevented from deforming and the test piece can be prevented from slipping under a high-temperature condition; the test piece is convenient to disassemble and assemble, can be operated with temperature, and is suitable for batch tests; the test device can also be expanded in various forms, and is suitable for high-temperature loading tests of test pieces with different specifications and shapes under the same test device.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. An unconventional test piece loading device in a high-temperature environment, comprising:
the test piece (1), the test piece (1) has a first clamping end and a second clamping end;
the first clamping assembly (2) comprises a first clamping block (21), first stop blocks (22), first baffle plates (23) and first fastening pieces (24), a dovetail groove is formed in the first clamping block (21), a first clamping end of the test piece (1) is installed in the dovetail groove from the side face of the first clamping block (21), and the two first stop blocks (22) are arranged on two sides of the first clamping end respectively and are matched with the first baffle plates (23) and the first fastening pieces (24) for fixing;
the second clamping assembly (3) comprises a second clamping block (31), a second stop block (32), a second baffle plate (33) and a second fastener (34), a dovetail groove is formed in the second clamping block (31), a second clamping end of the test piece (1) is installed in the dovetail groove from the side face of the second clamping block (31), and the two second stop blocks (32) are respectively arranged on two sides of the second clamping end and are matched with the second baffle plate (33) and the second fastener (34) for fixing;
the first transfer assembly (4) comprises a first transfer connecting rod (41) and a first connecting joint (42), one end of the first transfer connecting rod (41) is connected with the first clamping block (21), and the other end of the first transfer connecting rod (41) is connected with the testing machine through the first connecting joint (42);
the second switching assembly (5) comprises a second switching connecting rod (51) and a second connector (52), one end of the second switching connecting rod (51) is connected with the second clamping block (31), and the other end of the second switching connecting rod (51) is connected with the testing machine through the second connector (52);
high temperature environment case (6), high temperature environment case (6) are used for holding test piece (1) first centre gripping subassembly (2) and second centre gripping subassembly (3), just offer on high temperature environment case (6) and be used for first switching connecting rod (41) and the through-hole that second switching connecting rod (51) passed.
2. The unconventional test piece loading device under a high temperature environment according to claim 1, wherein the first baffle plate (23) and the second baffle plate (33) are mounted by a snap-fit method.
3. The unconventional test piece loading device in a high temperature environment according to claim 1, wherein the first fastener (24) and the second fastener (34) are both bolts.
4. The unconventional test piece loading apparatus under a high temperature environment according to claim 1,
a threaded hole is formed in the first clamping block (21), a threaded section is formed in the first transfer connecting rod (41), and the first transfer connecting rod (41) is connected with the first clamping block (21) in a threaded fit manner;
threaded holes are formed in the second clamping block (31), threaded sections are arranged on the second switching connecting rod (51), and the second switching connecting rod (51) is connected with the second clamping block (31) in a threaded fit mode.
5. The unconventional test piece loading apparatus under a high temperature environment according to claim 4,
a threaded hole is formed in the first adapter connecting rod (41), a threaded section is arranged on the first connecting head (42), and the first connecting head (42) is connected with the first adapter connecting rod (41) in a threaded fit manner;
threaded holes are formed in the second switching connecting rod (51), a threaded section is arranged on the second connector (52), and the second connector (52) is connected with the second switching connecting rod (51) in a threaded matching mode.
6. The unconventional test piece loading apparatus under a high temperature environment according to claim 1,
a cooling water channel is arranged on the first connecting head (42), and the first connecting head (42) is connected with a cooling water device;
and a cooling water channel is arranged on the second connector (52), and the second connector (52) is connected with a cooling water device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011242196.7A CN112611649A (en) | 2020-11-09 | 2020-11-09 | Unconventional test piece loading device in high-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011242196.7A CN112611649A (en) | 2020-11-09 | 2020-11-09 | Unconventional test piece loading device in high-temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112611649A true CN112611649A (en) | 2021-04-06 |
Family
ID=75224585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011242196.7A Pending CN112611649A (en) | 2020-11-09 | 2020-11-09 | Unconventional test piece loading device in high-temperature environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112611649A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325771Y (en) * | 1998-04-29 | 1999-06-23 | 中国科学院力学研究所 | Chuck used for elongation test |
| CN203561547U (en) * | 2013-10-10 | 2014-04-23 | 合肥荣事达三洋电器股份有限公司 | Anti-releasing chuck device for tensile testing machine |
| CN106525603A (en) * | 2016-12-07 | 2017-03-22 | 金堆城钼业股份有限公司 | Molybdenum and molybdenum alloy bar/tube high-temperature tensile detection device and method |
| CN107643219A (en) * | 2017-08-07 | 2018-01-30 | 南京航空航天大学 | A kind of D braided composites high temperature tension test device and method |
| CN108007769A (en) * | 2017-12-18 | 2018-05-08 | 北京航空航天大学 | A kind of extremely low modulus composite material high temperature tension test fixture and its test method |
| CN109738280A (en) * | 2019-01-30 | 2019-05-10 | 东南大学 | A kind of dynamic tensile test fixture and test method for test specimen |
| CN110631933A (en) * | 2019-09-20 | 2019-12-31 | 北京航空航天大学 | High-temperature large-load test fixture and test method for turbine blade joggle joint structure |
| CN111060390A (en) * | 2019-12-16 | 2020-04-24 | 吉林大学 | High-efficiency high-temperature stretching clamping device and testing method |
| CN210775007U (en) * | 2019-10-17 | 2020-06-16 | 攀枝花学院 | Clamp for thermal simulation testing machine plate tensile test |
| CN111323293A (en) * | 2020-03-23 | 2020-06-23 | 天津大学 | Microelectronic device lead bonding strength test fixture under temperature environment |
-
2020
- 2020-11-09 CN CN202011242196.7A patent/CN112611649A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325771Y (en) * | 1998-04-29 | 1999-06-23 | 中国科学院力学研究所 | Chuck used for elongation test |
| CN203561547U (en) * | 2013-10-10 | 2014-04-23 | 合肥荣事达三洋电器股份有限公司 | Anti-releasing chuck device for tensile testing machine |
| CN106525603A (en) * | 2016-12-07 | 2017-03-22 | 金堆城钼业股份有限公司 | Molybdenum and molybdenum alloy bar/tube high-temperature tensile detection device and method |
| CN107643219A (en) * | 2017-08-07 | 2018-01-30 | 南京航空航天大学 | A kind of D braided composites high temperature tension test device and method |
| CN108007769A (en) * | 2017-12-18 | 2018-05-08 | 北京航空航天大学 | A kind of extremely low modulus composite material high temperature tension test fixture and its test method |
| CN109738280A (en) * | 2019-01-30 | 2019-05-10 | 东南大学 | A kind of dynamic tensile test fixture and test method for test specimen |
| CN110631933A (en) * | 2019-09-20 | 2019-12-31 | 北京航空航天大学 | High-temperature large-load test fixture and test method for turbine blade joggle joint structure |
| CN210775007U (en) * | 2019-10-17 | 2020-06-16 | 攀枝花学院 | Clamp for thermal simulation testing machine plate tensile test |
| CN111060390A (en) * | 2019-12-16 | 2020-04-24 | 吉林大学 | High-efficiency high-temperature stretching clamping device and testing method |
| CN111323293A (en) * | 2020-03-23 | 2020-06-23 | 天津大学 | Microelectronic device lead bonding strength test fixture under temperature environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8524387B2 (en) | Battery unit for hybrid or electric vehicles | |
| CN105591060A (en) | Power battery pack device | |
| CN105115819A (en) | Fatigue test clamp | |
| EP1471813B1 (en) | Wedgelock system | |
| CN112611649A (en) | Unconventional test piece loading device in high-temperature environment | |
| CN214539352U (en) | Electricity core test fixture | |
| CN202393650U (en) | Tensile strength test clamp | |
| CN216199942U (en) | Coupling for diesel engine bench test | |
| CN201327827Y (en) | Radiator buckling device | |
| CN210779892U (en) | Fixing device for computer network cable | |
| CN210941993U (en) | Expansion type square cabin for engineering vehicle | |
| CN210004621U (en) | High-efficiency semiconductor refrigerating device | |
| CN215343818U (en) | Bus duct joint convenient to assemble | |
| CN214850184U (en) | Line splint structure | |
| CN113258317A (en) | Special non-overheating cable head wire clamp for electric power system | |
| CN215862263U (en) | Compound PE winding pipe of multilayer | |
| CN217234008U (en) | Steel strip bundling and fastening structure of plate-fin radiating fin core | |
| CN219521881U (en) | Clamp tool | |
| CN216720184U (en) | Battery module assembly fixture and production line | |
| CN217156886U (en) | Concatenation formula PVC many blank bars pipe | |
| CN219317801U (en) | Combined flexible pipe cable emergency suspension friction clamp and stack assembly | |
| CN211826451U (en) | Test tool for low-voltage shunt monitoring unit | |
| CN214278230U (en) | Test fixture | |
| CN220358251U (en) | Storage battery mounting and fixing assembly | |
| CN220542631U (en) | Tensile fatigue test fixture for battery module shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |