CN208420545U - A kind of autobody sheet NOL ring delayed fracture test automated watch-keeping facility - Google Patents
A kind of autobody sheet NOL ring delayed fracture test automated watch-keeping facility Download PDFInfo
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- CN208420545U CN208420545U CN201820514668.1U CN201820514668U CN208420545U CN 208420545 U CN208420545 U CN 208420545U CN 201820514668 U CN201820514668 U CN 201820514668U CN 208420545 U CN208420545 U CN 208420545U
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Abstract
A kind of autobody sheet NOL ring delayed fracture test automated watch-keeping facility, it is related to a kind of autobody sheet test monitoring device, through-hole is equipped among NOL ring (6) top, it connects bolt (2) and passes through NOL ring (6) top through-hole, connect and position by afterburner nut (1) connection bolt (2) and NOL ring (6);Bolt (2) and load cell (4) is connected to connect and position by fastening nut (3);Load cell (4) and upper sample clamp bar (5) and are connected through a screw thread;Upper sample clamps bar (5) and lower sample clamps the clamping end of bar (9) equipped with sample card slot and pin hole and thin plate tensile sample (7) clamping;It is equipped with through-hole among NOL ring (6) bottom and among pedestal (10), lower sample is bolted and clamps bar (9).The utility model realizes the load monitoring tested constant load constant strain tensile load, obtains sample cracking precise time and sample fracture precise time, and realization is connect with computer, accomplishes that cloud monitors.
Description
Technical field
The utility model relates to a kind of autobody sheet test monitoring devices, prolong more particularly to a kind of autobody sheet NOL ring
Slow split test automated watch-keeping facility.
Background technique
It the use of super-high strength steel is the effective way for taking into account lightweight and safety in automobile.But as steel tensile strength is super
1200MPa just will appear delayed fracture phenomenon.Delayed fracture is a kind of destroys greatly and without sign phenomenon of rupture, therefore in superelevation
Strong steel must evaluate its delayed fracture property before.
Existing stress test equipment is tested, and instrumentation is complicated, and replacement sample takes time and effort, and practicability is restricted,
It is not easy batch to be tested, process conditions needed for being not easy flexibly adjustment.In addition, at present under the conditions of most of corrosive liquid
Constant load stretch instrument, be to be independently operated, that volume is larger, structure is complicated, higher cost mostly, the utilization rate and use of equipment
Low efficiency.In addition, it is camber beam test that constant strain, which tests most common loading method, at present, the loading stress of camber beam test is bending
Stress is not suitable for the test of the work materials delayed fracture performance under tensile stress.And most of constant loads or constant strain are added
Test is carried, maximum problem is how to carry out simple constant load or constant strain load, realizes that batch is tested, realize and draw
It stretches constant load or constant strain load, common method has been not suitable for new loading method.In addition, entire test process needs people
Work monitoring, human cost is huge, simultaneously because the error artificially observed (manually can not 24 hours uninterrupted monitoring test mistakes
Journey), test data can be made inaccurate, cannot find sample fine crack time of occurrence (sample cracking time) and sample in time
Rupture time.In addition, the situation of change of loaded load is also unknown during the test.
Currently, in the prior art, not effectively with the loading method of specification and corresponding device.
Constant load constant strain stretches delayed fracture testing equipment complexity at present, is unable to bulge test, test process is manually supervised
It surveys, cost is huge, while test data is inaccurate.Cupping machine can be only done the examination of the stretching under room temperature and normal condition
It tests.
Summary of the invention
The purpose of this utility model is to provide a kind of autobody sheet NOL ring delayed fractures to test automated watch-keeping facility, should
Device installs load cell additional, realizes load monitoring to loading bolt, realizes the load tested constant load constant strain tensile load
Lotus monitoring obtains sample cracking precise time and sample fracture precise time, and realization is connect with computer, accomplishes that cloud monitors.
The purpose of this utility model is achieved through the following technical solutions:
A kind of autobody sheet NOL ring delayed fracture test automated watch-keeping facility, described device include afterburner nut, connection
Bolt, fastening nut, load cell, upper sample clamp bar, NOL ring, sample, corrosive medium cavity, lower sample clamp bar,
Pedestal;Afterburner nut, connection bolt, fastening nut, load cell, upper sample clamp bar, NOL ring, sample, corrosive medium
Cavity, lower sample clamp bar, pedestal coaxial cooperation one;Through-hole is equipped among NOL ring top, connection bolt passes through NOL ring
Top through-hole realizes the connection and positioning of connection bolt and NOL ring by afterburner nut;It connects bolt and load cell is logical
Cross fastening nut connection and positioning;Load cell and upper sample clamp bar and are connected through a screw thread;Upper sample clamps bar and lower examination
The clamping end that scale fills bar is equipped with sample card slot and pin hole and thin plate tensile sample clamps;Among NOL ring bottom and among pedestal
Equipped with through-hole, connection and positioning that lower sample clamps bar and NOL ring bottom centre and pedestal is bolted;Corrosive medium
Cavity is equipped with corrosive medium import and outlet;Multiple cavities nested type stretching structure or pleat line pressure is made in corrosive medium cavity
Contracting formula stretching structure.
A kind of autobody sheet NOL ring delayed fracture tests automated watch-keeping facility, the corrosive medium cavity according to
Stretching distance or test sample size are set.
A kind of autobody sheet NOL ring delayed fracture tests automated watch-keeping facility, and the upper sample clamps bar under
Sample clamps bar and is made of tie rod holes, the body of rod and sample clamping end, wherein above clamping the body of rod of bar and can stretch formula contracting corrosive medium
Cavity encryption seal is fixedly connected, or is connect with non-telescoping formula corrosive medium cavity gapless coaxially slide.
A kind of autobody sheet NOL ring delayed fracture tests automated watch-keeping facility, the ruler of the load cell
Very little, shape and measuring force range need to set according to test.
A kind of autobody sheet NOL ring delayed fracture tests automated watch-keeping facility, and the load cell data is defeated
Outlet connects computer or recording instrument without paper recording equipment.
A kind of autobody sheet NOL ring delayed fracture tests automated watch-keeping facility, the NOL ring size and shape
It needs to set according to test.
A kind of autobody sheet NOL ring delayed fracture tests automated watch-keeping facility, and the NOL ring and pedestal pass through
It is bolted, or directly welds.
The advantages of the utility model, is with effect:
1. the utility model, which passes through constant load constant strain under Curve guide impeller corrosive medium, stretches sample loading device, realize general
Logical constant load constant strain tensile load test, on this basis, improves loading bolt, installs load cell additional, to adding
It carries bolt and realizes load monitoring, the load monitoring that constant load constant strain tensile load is tested from realization, and provide test process
The curve that middle sample load changes over time.By obtaining sample cracking precise time and sample fracture being accurate to tracing analysis
Time accomplishes to be accurate to the second.Meanwhile it also can deeply be ground to being details that sample tensile load changes over time to be subsequent
Study carefully and advantageous data support is provided.
2. the utility model needs to may be implemented to extend according to test, to realize large batch of sample, realizes and calculate
Machine connection accomplishes that cloud monitors, from make the strong autobody sheet constant load constant strain of superelevation stretch delayed fracture test to automation and
Intelligent development.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Component in figure: 1. afterburner nuts, 2. connection bolts, 3. fastening nuts, 4. load cells, sample clamps on 5.
Bar, 6. NOL rings, 7. samples, 8. corrosive medium cavitys, 9. lower samples clamp bar, 10. pedestals.
Specific embodiment
The utility model is described in detail in illustrated embodiment with reference to the accompanying drawing.
A kind of NOL ring delayed fracture of the utility model tests automated watch-keeping facility, including afterburner nut 1, connects bolt 2,
Fastening nut 3, load cell 4, upper sample clamp bar 5, NOL ring 6, sample 7, corrosive medium cavity 8, lower sample clamping bar
9, pedestal 10;Each element coaxial cooperation.There is through-hole among 6 top of NOL ring, connection bolt 2 passes through 6 top through-hole of NOL ring, leads to
Cross connection and positioning that afterburner nut 1 realizes connection bolt 2 and NOL ring 6;Connection bolt 2 and load cell 4 pass through fastening
Nut 3 realizes connection and positioning;Load cell 4 and upper sample clamp bar 5 and realize connection by screw thread;Upper sample clamps bar 5
The clamping end for clamping bar 9 with lower sample is equipped with sample card slot and/or pin hole to realize the clamping of thin plate tensile sample 7;NOL ring 6
There is through-hole among bottom centre and pedestal 10, realizes that lower sample clamps bar 9,6 bottom of NOL ring centre and pedestal 10 by bolt
Connection and positioning.Corrosive medium cavity 8 be equipped with corrosive medium import and outlet, can replace, add and control corrosion rate be situated between
The amount of matter.Corrosive medium cavity 8 can be process by high molecular material, elastic rubber, organic glass or corrosion-resistant metallic material;
It can be processed into multiple cavities nested type stretching structure, be also possible to pleat line compression stretching structure, it is more enough according to stretching distance
Or test sample size is adjusted.Upper sample clamps bar 5 and lower sample clamps bar 9 by tie rod holes, the body of rod and sample clamping end
Composition, wherein the upper body of rod for clamping bar is fixedly connected with can stretch formula contracting corrosive medium cavity 8 and can encrypt seal, can also with not
The connection of 8 gapless coaxially slide of extension type corrosive medium cavity.Size, shape and the measuring force range of load cell 4 can
To need to adjust according to test, 4 data output end of load cell can connect computer or recording instrument without paper etc. and intelligently record
Equipment realizes record and the storage of test data.6 size and shape of NOL ring can need to adjust according to test.6 He of NOL ring
10 connection type of pedestal can diversification, realize and connect except through bolt, can also be connected by the means such as directly welding.
Embodiment 1
The utility model NOL ring delayed fracture tests automated watch-keeping facility, including afterburner nut 1, connects bolt 2, fastening
Nut 3, load cell 4, upper sample clamp bar 5, NOL ring 6, sample 7, corrosive medium cavity 8, lower sample clamping bar 9, bottom
Seat 10;Each element coaxial cooperation.There is through-hole among 6 top of NOL ring, connection bolt 2 passes through 6 top through-hole of NOL ring, by adding
Power nut 1 realizes the connection and positioning of connection bolt 2 and NOL ring 6;It connects bolt 2 and load cell 4 passes through fastening nut 3
Realize connection and positioning;Load cell 4 and upper sample clamp bar 5 and realize connection by screw thread;Upper sample clamps bar 5 and lower examination
The clamping end of scale dress bar 9 is equipped with sample card slot and/or pin hole to realize the clamping of thin plate tensile sample 7.By adjusting reinforcing
The position of nut 1, which is realized, realizes load to tensile sample.4 data output end of load cell can connect computer or remember without paper
The intelligent recording equipment such as instrument is recorded, realizes record and the storage of test data, entire test process can be monitored in real time, and provide examination
The curve that sample load changes over time.By obtaining sample cracking precise time and sample fracture precise time to tracing analysis,
Accomplish to be accurate to the second.It meanwhile also can be subsequent further investigation to being details that test sample loaded load changes over time
Advantageous data are provided to support.
The utility model realizes and stretches sample card dress and load under the corrosive medium of high-strength steel sheet, and loading method is perseverance
Stress and constant strain mode, and realize test process on-line monitoring and test data record storage.
Claims (7)
1. a kind of autobody sheet NOL ring delayed fracture tests automated watch-keeping facility, which is characterized in that described device includes reinforcing
Nut (1), connection bolt (2), fastening nut (3), load cell (4), upper sample clamp bar (5), NOL ring (6), sample
(7), corrosive medium cavity (8), lower sample clamp bar (9), pedestal (10);Afterburner nut (1), connection bolt (2), fastening nut
(3), load cell (4), upper sample clamp bar (5), NOL ring (6), sample (7), corrosive medium cavity (8), lower test sample card
Fill bar (9), pedestal (10) coaxial cooperation one;Through-hole is equipped among NOL ring (6) top, connection bolt (2) passes through NOL ring
(6) top through-hole realizes the connection and positioning of connection bolt (2) and NOL ring (6) by afterburner nut (1);It connects bolt (2)
It connects and positions by fastening nut (3) with load cell (4);Load cell (4) and upper sample clamp bar (5) and pass through spiral shell
Line connection;Upper sample clamps bar (5) and lower sample clamps the clamping end of bar (9) equipped with sample card slot and pin hole and sample (7) card
Dress;It is equipped with through-hole among NOL ring (6) bottom and among pedestal (10), lower sample is bolted and clamps bar (9) and stress
It connects and positions with pedestal (10) among ring (6) bottom;Corrosive medium cavity (8) is equipped with corrosive medium import and outlet;It is rotten
Multiple cavities nested type stretching structure or pleat line compression stretching structure is made in erosion medium cavity (8).
2. a kind of autobody sheet NOL ring delayed fracture according to claim 1 tests automated watch-keeping facility, feature exists
In the corrosive medium cavity (8) is set according to stretching distance or test sample size.
3. a kind of autobody sheet NOL ring delayed fracture according to claim 1 tests automated watch-keeping facility, feature exists
In the upper sample clamps bar (5) and lower sample clamps bar (9) and is made of tie rod holes, the body of rod and sample clamping end, wherein upper card
Fill bar the body of rod with can stretch formula contracting corrosive medium cavity (8) encrypt seal be fixedly connected, or with non-telescoping formula corrosive medium chamber
The connection of body (8) gapless coaxially slide.
4. a kind of autobody sheet NOL ring delayed fracture according to claim 1 tests automated watch-keeping facility, feature exists
In size, shape and the measuring force range of the load cell (4) need to set according to test.
5. a kind of autobody sheet NOL ring delayed fracture according to claim 4 tests automated watch-keeping facility, feature exists
In load cell (4) the data output end connection computer or recording instrument without paper recording equipment.
6. a kind of autobody sheet NOL ring delayed fracture according to claim 1 tests automated watch-keeping facility, feature exists
In NOL ring (6) size and shape need to set according to test.
7. a kind of autobody sheet NOL ring delayed fracture according to claim 6 tests automated watch-keeping facility, feature exists
In the NOL ring (6) and pedestal (10) are bolted, or directly weld.
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CN201820514668.1U CN208420545U (en) | 2018-04-12 | 2018-04-12 | A kind of autobody sheet NOL ring delayed fracture test automated watch-keeping facility |
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CN201820514668.1U CN208420545U (en) | 2018-04-12 | 2018-04-12 | A kind of autobody sheet NOL ring delayed fracture test automated watch-keeping facility |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110044690A (en) * | 2019-05-17 | 2019-07-23 | 吉林大学 | Sample holding device and method for high temperature low frequency complex load load test |
CN110044697A (en) * | 2019-04-12 | 2019-07-23 | 中国人民解放军总参谋部第六十研究所 | Tension-torsion fatigue experimental device |
CN110333134A (en) * | 2019-07-04 | 2019-10-15 | 西北工业大学 | Uniaxial stretching device and experimental method associated with a kind of and neutron scattering |
CN111829894A (en) * | 2020-06-24 | 2020-10-27 | 山东大学 | Rock-soil multi-field measurement test system and method |
CN112240851A (en) * | 2020-10-14 | 2021-01-19 | 衡阳华菱钢管有限公司 | Loading auxiliary device |
CN114002064A (en) * | 2021-11-02 | 2022-02-01 | 重庆邮电大学 | Multi-medium-based biaxial stretching instrument capable of adopting and disassembling clamp |
CN115112445A (en) * | 2021-03-22 | 2022-09-27 | 宝山钢铁股份有限公司 | Method for testing cracking delay performance of ultrahigh-strength steel product |
-
2018
- 2018-04-12 CN CN201820514668.1U patent/CN208420545U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110044697A (en) * | 2019-04-12 | 2019-07-23 | 中国人民解放军总参谋部第六十研究所 | Tension-torsion fatigue experimental device |
CN110044690A (en) * | 2019-05-17 | 2019-07-23 | 吉林大学 | Sample holding device and method for high temperature low frequency complex load load test |
CN110333134A (en) * | 2019-07-04 | 2019-10-15 | 西北工业大学 | Uniaxial stretching device and experimental method associated with a kind of and neutron scattering |
CN111829894A (en) * | 2020-06-24 | 2020-10-27 | 山东大学 | Rock-soil multi-field measurement test system and method |
CN112240851A (en) * | 2020-10-14 | 2021-01-19 | 衡阳华菱钢管有限公司 | Loading auxiliary device |
CN115112445A (en) * | 2021-03-22 | 2022-09-27 | 宝山钢铁股份有限公司 | Method for testing cracking delay performance of ultrahigh-strength steel product |
CN114002064A (en) * | 2021-11-02 | 2022-02-01 | 重庆邮电大学 | Multi-medium-based biaxial stretching instrument capable of adopting and disassembling clamp |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20210412 |
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