CN203688340U - Connection structure for pull rod and environmental cabinet of mechanics testing machine - Google Patents
Connection structure for pull rod and environmental cabinet of mechanics testing machine Download PDFInfo
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- CN203688340U CN203688340U CN201420090161.XU CN201420090161U CN203688340U CN 203688340 U CN203688340 U CN 203688340U CN 201420090161 U CN201420090161 U CN 201420090161U CN 203688340 U CN203688340 U CN 203688340U
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 230000007613 environmental effect Effects 0.000 title claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000011824 nuclear material Substances 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000004992 fission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a connection structure for a pull rod and an environmental cabinet of a mechanics testing machine. The connection structure comprises the mechanics testing machine, the environmental cabinet and a test sample (9) in the environmental cabinet, wherein the mechanics testing machine comprises an upper pull rod (3) and a lower pull rod (4); the environmental cabinet comprises a cabinet body (1) with an opening in the upper end, and a sealing cover (2) for sealing the opening in the upper end of the cabinet body (1). The lower end of the upper pull rod (3) passes through the sealing cover (2) and is embedded in the cabinet body (1); the upper pull rod (3) is connected with the sealing cover (2) in a dynamic sealing way; the lower pull rod (4) is fixedly connected with the bottom of the cabinet body (1); the upper end of the lower pull rod (4) is provided with a clamp head (8) which is located inside the cabinet body (1); the upper end of the test sample (9) is connected with the upper pull rod (3), and the lower end of the test sample (9) is connected with the clamp head (8) in a clamping way. The connection structure is convenient and rapid to disassemble and assemble, the conditions such as solution environments and gas environments for testing the mechanical properties of nuclear materials are convenient to achieve and then the accurate reliability of a test can be ensured.
Description
Technical field
The utility model relates to nuclear material performance testing device, specifically the syndeton of mechanical test machine pull bar and environmental cabinet.
Background technology
Nuclear material in reactor is in the environmental working condition of high temperature, etchant solution and finite concentration fission gas and is on active service, therefore, while carrying out the Mechanics Performance Testing of nuclear material, often need the actual operating mode of mock-up reactor to apply simulated environment, particularly in the property such as stress corrosion or comprehensive performance test research, need in mechanical test, apply environmental baseline, obtain the performance such as material extending, creep under the conditions such as certain gaseous environment, solution environmental.As: for zirconium alloy pipe in reactor, it is the important performance index of one item that the iodine that " iodine " of one of fission gas causes causes stress corrosion performance, needs mechanical test machine to match with gaseous environment in this test; For materials such as stainless steels, the stress corrosion performance under solution environmental is one of emphasis direction of its research.For the environmental baseline such as solution environmental, gaseous environment is provided in the time carrying out nuclear material Mechanics Performance Testing, need to be equipped with a large amount of utility appliance now, when installing/dismounting utility appliance, process is loaded down with trivial details, and the introducing of a large amount of utility appliance makes the accurate reliability of test low.
Utility model content
The low problem of accurate reliability of the loaded down with trivial details and test of process when the purpose of this utility model is to solve installing/dismounting while carrying out nuclear material Mechanics Performance Testing now and realizes the utility appliance of environmental baseline, a kind of mechanical test machine pull bar of the environmental baseline such as solution environmental, gaseous environment that realizes nuclear material Mechanics Performance Testing and syndeton of environmental cabinet be convenient to is provided, it is simple in structure, be convenient to dismounting, and the accurate reliability of energy warranty test.
The technical scheme that the utility model technical solution problem adopts is: the syndeton of mechanical test machine pull bar and environmental cabinet, comprise mechanical test machine, environmental cabinet and be located at the sample in environmental cabinet, described mechanical test machine comprises upper connecting rod and lower link, described environmental cabinet comprises the casing of upper end open and the capping of closed box upper end open, described upper connecting rod lower end is passed capping and is embedded in casing, upper connecting rod is connected with capping motive seal, described lower link is fixedly connected with bottom half, lower link upper end is provided with the dop that is positioned at casing, described sample upper end is connected with upper connecting rod, its lower end and dop clamping.Mechanical test machine of the present utility model can adopt the multiple conventional mechanics equipment such as cupping machine, creep testing machine, compression test, when the utility model application, in environmental cabinet, build the environmental baseline such as solution environmental, gaseous environment, the high temperature service of also can arranging in pairs or groups uses, and expands its experimental enviroment condition.Dop of the present utility model is not limited to and is arranged on lower link, also dop can be arranged on to casing inner bottom part, and lower link is connected to casing outer bottom, and dop is not directly connected with lower link.
Further, in described casing, be provided with upper ejector pin, described upper ejector pin lower end evagination forms discoid lower limit boss, described dop is tubular structure, dop upper end madial wall convex forms upper limit boss, described upper ejector pin embeds in dop, and upper ejector pin is located at upper limit boss below and dop clamping by lower limit boss, and described sample lower end is by being connected on upper ejector pin and dop clamping.
Further, in described dop, be provided with lower push rod and Compress Spring, the upper and lower two ends of described Compress Spring are connected with lower push rod and lower link top respectively, described lower push rod upper end forms the lower top of circular arc convex form, lower limit boss lower surface forms arc groove corresponding with position, lower top, size coupling, and lower top embeds in arc groove.
Further, described dop comprises lower limit pipe and upper limit pipe, upper limit bore is greater than the internal diameter of lower limit pipe, the upper and lower two ends of described lower limit pipe are connected with upper limit pipe and lower link top respectively, described lower limit boss is made up of upper limit pipe upper end madial wall convex, described Compress Spring is positioned at lower limit pipe, and lower push rod lower end evagination forms the circular platform that has external diameter to mate with lower limit bore, and lower push rod lower end is positioned at lower limit pipe.Wherein, lower limit pipe carries out spacing to lower push rod and Compress Spring, and then prevents that larger skew from appearring in lower push rod and Compress Spring.
Further, described dop upper end sidewall forms opening, and this A/F is greater than the external diameter of lower limit boss, and the xsect of described upper limit boss forms " U " type shape structure.When the utility model application, lower limit boss can be moved into from the opening part of dop, and the opening part from dop shifts out in the time not using.
In order to make the utility model application time be convenient to sample to be connected with upper ejector pin, further, in described casing, be also provided with X-over, described sample lower end is connected with upper ejector pin by being connected on X-over.
Lower link of the present utility model and dop both can become one, and can independently exist again, and for the ease of design, further, described lower link and dop become one.
Further, described capping central part forms the central perforation that runs through its upper and lower end face, this central perforation inwall indent forms annular groove, is provided with O-ring seal in annular groove, and described upper connecting rod contacts through the center through hole of capping and with the O-ring seal sealing in annular groove.So, the utility model contacts with O-ring seal by upper connecting rod to realize and the motive seal of capping.
In sum, the utlity model has following beneficial effect: (1) environmental cabinet of the present utility model is directly connected with upper connecting rod and the lower link of mechanical test machine, can avoid the utility model loaded down with trivial details disassembly process of when application, be convenient to realize the mechanical test of nuclear material under certain solution environmental, gaseous environment environmental baseline is provided, obtain the performance data that more approaches reactor actual condition (corrosive solution, fission gas etc.) condition, improve specific aim and the referential of test, and then the accurate reliability of energy warranty test.
(2) environmental cabinet of the present utility model is directly fixedly connected with the lower link of mechanical test machine, save movable sealing operation one, can realize seamless sealing, for applying of solution trial environment provides hardware guarantee, can not cause solution to leak, for gaseous environment, the utility model is the upper connecting rod of mechanical test machine and the capping movable sealing of environmental cabinet only, can greatly reduce overflowing of gas.
(3) upper ejector pin of the present utility model, lower push rod and Compress Spring form spring-positioning device, in the time that the utility model is applied, the centring property of upper connecting rod and lower link can be ensured by spring-positioning device, and then the accurate reliability of mechanical test machine test can be further improved.
(4) dop of the present utility model upper end sidewall forms opening, and this A/F is greater than the external diameter of lower limit boss, when the utility model application, pitches by instrument, can realize the clamping of dop and upper ejector pin, simple operation.
Brief description of the drawings
Fig. 1 is the structural representation of a specific embodiment of the utility model;
Fig. 2 is the plan structure schematic diagram of capping in Fig. 1;
Fig. 3 is the plan structure schematic diagram of upper ejector pin and dop fit structure in Fig. 1.
In accompanying drawing, the corresponding name of Reference numeral is called: 1, casing, 2, capping, 3, upper connecting rod, 4, lower link, 5, lower push rod, 6, upper ejector pin, 7, Compress Spring, 8, dop, 801, lower limit pipe, 802, upper limit pipe, 803, upper limit boss, 9, sample, 10, lower limit boss, 11, X-over.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is done to detailed description further, but embodiment of the present utility model is not limited to this.
Embodiment 1:
As shown in Figures 1 and 2, the syndeton of mechanical test machine pull bar and environmental cabinet, comprise mechanical test machine and environmental cabinet, wherein, mechanical test machine comprises upper connecting rod 3 and lower link 4, environmental cabinet comprises casing 1 and capping 2, casing 1 forms cylindric, its upper end open and lower end closure, capping 2 lower surface indents form annular slot, is provided with encapsulant in annular slot, and casing 1 upper end embeds in the annular slot of capping 2, and then by the upper end open of capping 2 closed boxes 1, casing 1 is also strengthened being connected by screw with capping 2.Capping 2 central parts form the central perforation that runs through its upper and lower end face, this central perforation inwall indent forms annular groove, in annular groove, be provided with O-ring seal, upper connecting rod 3 passes the center through hole of capping 2 and embeds in casing 1, upper connecting rod 3 contacts with the O-ring seal sealing in annular groove, and then realizes upper connecting rod 3 and be connected with capping 2 motive seals.Lower link 4 is fixedly connected with casing 1 bottom, and the present embodiment is preferably connected with casing 1 lower link 4 by the mode of welding.Lower link 4 upper ends are provided with the dop 8 that is positioned at casing 1.For the ease of manufacturing and improve the steadiness of lower link 4 and dop 8 syndetons, lower link 4 and the dop 8 of the present embodiment become one.
When the present embodiment application, open capping 2, sample 9 upper ends are connected with upper connecting rod 3, sample 9 lower ends and dop 8 clampings, can directly after injecting, casing 1 seal again capping 2 for solution environmental, can seal for gaseous environment the gas that reinjects after capping 2, then high temperature atmosphere stove be surrounded to environmental cabinet outside, be heated to test temperature required.
Embodiment 2:
As shown in Figures 1 and 3, for the ease of upper ejector pin 6 and dop 8 clampings, the present embodiment has been made following further restriction on the basis of embodiment 1: in the casing 1 of the present embodiment, be provided with upper ejector pin 6, upper ejector pin 6 lower end evaginations form discoid lower limit boss 10, dop 8 is tubular structure, dop 8 upper end madial wall convexes form upper limit boss 803, upper ejector pin 6 embeds in dop 8, upper ejector pin 6 is located at upper limit boss 803 belows and dop 8 clampings by lower limit boss 10, and sample 9 lower ends are by being connected on upper ejector pin 6 and dop 8 clampings.The dop 8 upper end sidewalls of the present embodiment form opening, and this A/F is greater than the external diameter of lower limit boss 10, and the xsect of upper limit boss 803 forms " U " type shape structure.When the present embodiment application, lower limit boss 10 embeds from the opening part of dop 8, and then realizes the clamping of lower push rod 5 and dop 8, and in the time not using, lower limit boss 10 is departed from from the opening part of dop 8, and so, when the present embodiment application, dismounting is convenient.
Embodiment 3:
The present embodiment has been made following further restriction on the basis of embodiment 2: in the dop 8 of the present embodiment, be provided with lower push rod 5 and Compress Spring 7, wherein, Compress Spring is connected with lower push rod 5 and lower link 4 tops respectively at two ends Shang Xia 7, lower push rod 5 upper ends form the lower top of circular arc convex form, lower limit boss 10 lower surfaces form arc groove corresponding with position, lower top, size coupling, and lower top embeds in arc groove.Upper ejector pin 5 and the lower limit boss 10 of the present embodiment are touched, and under the effect of Compress Spring 7, can, to upper ejector pin 5 and with upper-part perpendicular positioning, realize upper and lower side and vertically connect, and then can further improve the accurate reliability of test.
Embodiment 4:
The present embodiment has been made following further restriction on the basis of embodiment 3: the dop 8 of the present embodiment comprises lower limit pipe 801 and upper limit pipe 802, wherein, upper limit pipe 802 internal diameters are greater than the internal diameter of lower limit pipe 801, lower limit pipe is connected with upper limit pipe 802 and lower link 4 tops respectively at two ends Shang Xia 801, lower limit boss 10 is made up of upper limit pipe 802 upper end madial wall convexes, and the opening of dop 8 is arranged on upper limit pipe 802.In order to improve the vertical centering performance of the present embodiment, Compress Spring 7 is positioned at lower limit pipe 801, and lower push rod 5 lower end evaginations form the circular platform that has external diameter to mate with lower limit pipe 801 internal diameters, and lower push rod 5 lower ends are positioned at lower limit pipe 801.
Embodiment 5:
For the ease of sample 9 is connected with upper connecting rod 3 and upper ejector pin 6, on the basis of the present embodiment any one embodiment in embodiment 2～embodiment 4, make following further restriction: in the casing 1 of the present embodiment, be also provided with X-over 11, upper ejector pin 6 upper ends, sample is two ends Shang Xia 9, X-over two ends and upper connecting rod 3 lower ends is provided with pin hole Shang Xia 11, sample is connected with upper connecting rod 3 lower ends and X-over 11 upper ends by pin respectively at two ends Shang Xia 9, X-over 11 lower ends are connected with upper ejector pin 6 upper ends by pin, and then complete being connected of sample 9 and upper ejector pin 6.
As mentioned above, can realize preferably the utility model.
Claims (8)
1. the syndeton of mechanical test machine pull bar and environmental cabinet, comprise mechanical test machine, environmental cabinet and be located at the sample (9) in environmental cabinet, described mechanical test machine comprises upper connecting rod (3) and lower link (4), it is characterized in that, described environmental cabinet comprises the casing (1) of upper end open and the capping (2) of closed box (1) upper end open, described upper connecting rod (3) lower end is passed capping (2) and is embedded in casing (1), upper connecting rod (3) is connected with capping (2) motive seal, described lower link (4) is fixedly connected with casing (1) bottom, lower link (4) upper end is provided with the dop (8) that is positioned at casing (1), described sample (9) upper end is connected with upper connecting rod (3), its lower end and dop (8) clamping.
2. the syndeton of mechanical test machine pull bar according to claim 1 and environmental cabinet, it is characterized in that, in described casing (1), be provided with upper ejector pin (6), described upper ejector pin (6) lower end evagination forms discoid lower limit boss (10), described dop (8) is tubular structure, dop (8) upper end madial wall convex forms upper limit boss (803), described upper ejector pin (6) embeds in dop (8), upper ejector pin (6) is located at upper limit boss (803) below and dop (8) clamping by lower limit boss (10), described sample (9) lower end is by being connected to upper ejector pin (6) above and dop (8) clamping.
3. the syndeton of mechanical test machine pull bar according to claim 2 and environmental cabinet, it is characterized in that, in described dop (8), be provided with lower push rod (5) and Compress Spring (7), the upper and lower two ends of described Compress Spring (7) are connected with lower push rod (5) and lower link (4) top respectively, described lower push rod (5) upper end forms the lower top of circular arc convex form, lower limit boss (10) lower surface forms arc groove corresponding with position, lower top, size coupling, and lower top embeds in arc groove.
4. the syndeton of mechanical test machine pull bar according to claim 3 and environmental cabinet, it is characterized in that, described dop (8) comprises lower limit pipe (801) and upper limit pipe (802), upper limit pipe (802) internal diameter is greater than the internal diameter of lower limit pipe (801), the upper and lower two ends of described lower limit pipe (801) are connected with upper limit pipe (802) and lower link (4) top respectively, described lower limit boss (10) is made up of upper limit pipe (802) upper end madial wall convex, described Compress Spring (7) is positioned at lower limit pipe (801), lower push rod (5) lower end evagination forms the circular platform that has external diameter to mate with lower limit pipe (801) internal diameter, and lower push rod (5) lower end is positioned at lower limit pipe (801).
5. the syndeton of mechanical test machine pull bar according to claim 2 and environmental cabinet, it is characterized in that, described dop (8) upper end sidewall forms opening, this A/F is greater than the external diameter of lower limit boss (10), and the xsect of described upper limit boss (803) forms " U " type shape structure.
6. the syndeton of mechanical test machine pull bar according to claim 2 and environmental cabinet, it is characterized in that, in described casing (1), be also provided with X-over (11), by being connected to, X-over (11) is upper to be connected with upper ejector pin (6) in described sample (9) lower end.
7. the syndeton of mechanical test machine pull bar according to claim 1 and environmental cabinet, is characterized in that, described lower link (4) becomes one with dop (8).
8. according to the mechanical test machine pull bar described in any one in claim 1～7 and the syndeton of environmental cabinet, it is characterized in that, described capping (2) central part forms the central perforation that runs through its upper and lower end face, this central perforation inwall indent forms annular groove, in annular groove, be provided with O-ring seal, described upper connecting rod (3) contacts through the center through hole of capping (2) and with the O-ring seal sealing in annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090161.XU CN203688340U (en) | 2014-02-28 | 2014-02-28 | Connection structure for pull rod and environmental cabinet of mechanics testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090161.XU CN203688340U (en) | 2014-02-28 | 2014-02-28 | Connection structure for pull rod and environmental cabinet of mechanics testing machine |
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| Publication Number | Publication Date |
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| CN203688340U true CN203688340U (en) | 2014-07-02 |
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| CN201420090161.XU Expired - Lifetime CN203688340U (en) | 2014-02-28 | 2014-02-28 | Connection structure for pull rod and environmental cabinet of mechanics testing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807711A (en) * | 2015-04-21 | 2015-07-29 | 中信重工机械股份有限公司 | Corrosion fatigue test device |
| CN104849145A (en) * | 2015-06-03 | 2015-08-19 | 贵州省交通规划勘察设计研究院股份有限公司 | Rod piece load holding testing device |
-
2014
- 2014-02-28 CN CN201420090161.XU patent/CN203688340U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807711A (en) * | 2015-04-21 | 2015-07-29 | 中信重工机械股份有限公司 | Corrosion fatigue test device |
| CN104849145A (en) * | 2015-06-03 | 2015-08-19 | 贵州省交通规划勘察设计研究院股份有限公司 | Rod piece load holding testing device |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20140702 |