CN204142556U - Stress-strain test instrument - Google Patents
Stress-strain test instrument Download PDFInfo
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- CN204142556U CN204142556U CN201420625460.9U CN201420625460U CN204142556U CN 204142556 U CN204142556 U CN 204142556U CN 201420625460 U CN201420625460 U CN 201420625460U CN 204142556 U CN204142556 U CN 204142556U
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Abstract
The utility model relates to a kind of stress-strain test instrument, comprise casing and strain terminal box, described casing comprises framework, bottom sealing plate, upper sealing plate and back of the body shrouding, the both sides that described framework is wherein relative are provided with side seal board, described cabinets cavity is provided with power module on described side seal board, described back of the body shrouding is provided with power interface, backboard louvre and network interface, described cabinets cavity is provided with system host by screw thread bar on described back of the body shrouding, described system host side is provided with data communication interface, described data communication interface is provided with plug-in test cell, described casing is provided with inserting module interface and reserved plate in the side relative with described back of the body shrouding.Stress-strain test instrument of the present utility model is by Modular Structure Design, and test performance is stablized, and carries with easy to use, not only assembles more quick and easy, saved cost of labor, and maintains easily and expand with upgrading, and reduces and safeguards and expand cost.
Description
Technical field
The utility model relates to dynamically and static stress and deformation technical field of measurement and test, particularly relates to a kind of stress-strain test instrument.
Background technology
From heavy mechanical equipment to consumption electronic product, the reliability of various structural member is that product must issues that need special attention to generative process from research and development.And the index directly related with structural reliability is exactly strength characteristics or the fatigue properties of structural member, for analyzing intensity and the fatigue properties of various structure, means of testing the most frequently used is at present exactly carry out stress-strain test to the dangerouse cross-section of structural member, needs the equipment used to be exactly stress-strain test instrument in test process.Because of the hardware configuration of the different counter stress strain testing instrument of test environment and application target and the sensor interface substantive requirements of form different, existing various stress-strain test instrument is substantially all adopt fixing hardware configuration scheme and sensor interface form, therefore there is the shortcoming such as assembling, maintenance and expansion inconvenience, add production cost.
Utility model content
The purpose of this utility model is that providing a kind of adopts Modular Structure Design, test performance is stablized, carry with easy to use, not only assemble more quick and easy, save cost of labor, and the quality problems that manual assembly process can be avoided to cause, maintain easily and expand with upgrading, reduce the stress-strain test instrument safeguarded with expansion cost.
For realizing above object, the utility model adopts following technical scheme:
A kind of stress-strain test instrument, comprise casing and strain terminal box, described casing comprises framework, bottom sealing plate, upper sealing plate and back of the body shrouding, the both sides that described framework is wherein relative are provided with side seal board, the described side seal board of wherein side is provided with collateral spike, described cabinets cavity is provided with power module on described side seal board, described bottom sealing plate is provided with bottom sealing plate louvre, described bottom sealing plate corner is respectively arranged with end feet, described cabinets cavity is provided with guide rail by fixed head on described bottom sealing plate, described back of the body shrouding is provided with power interface, backboard louvre and network interface, described cabinets cavity is provided with system host by screw thread bar on described back of the body shrouding, described system host side is provided with data communication interface, described data communication interface is provided with plug-in test cell, described plug-in test cell side is reinforced by bayonet apparatus and is arranged in the slot of described system host top, described casing is provided with inserting module interface and reserved plate in the side relative with described back of the body shrouding, described inserting module interface and reserved plate form the another side of described casing, described reserved plate is provided with shift knob.
Further, described framework, bottom sealing plate, upper sealing plate, back of the body shrouding and side seal board constitute rectangular box structure.
Further, described system host is the system host of standardized 1 module or 4 modules or 8 modules, specifically can select according to reality use and following expansion demand, use flexibly, maintain easily and upgrade.
Further, described casing is provided with handle on the described side seal board of the side relative with described collateral spike.
Further, described inserting module interface coordinates with the described guide rail on described bottom sealing plate and installs.
Compared with prior art, the utility model adopts Modular Structure Design, test performance is stablized, carry with easy to use, relative to the closed integral structure of various similar strain testing equipment in the market, not only the assembling of product is more quick and easy, has saved cost of labor, and the quality problems that complicated manual assembly process can be avoided to cause; For user, the modular structural design of stress-strain test instrument and flexibly expansion interface, the use of very convenient equipment, safeguard and expand with upgrading, reduces and safeguard and expand cost.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the utility model stress-strain test instrument;
Fig. 2 is the decomposition texture schematic diagram of the utility model stress-strain test instrument;
Fig. 3 is the perspective view of the utility model stress-strain test instrument;
Fig. 4 is the front elevation of Fig. 2;
Fig. 5 is the rear view of Fig. 2.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, to the technical scheme in the utility model embodiment carry out clear, intactly describe, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on embodiment of the present utility model, those of ordinary skill in the art put obtained every other embodiment not making creative work face, all belong to the scope of the utility model protection.
A kind of stress-strain test instrument of the present utility model, please refer to Fig. 1 to Fig. 5, comprise casing 1 and strain terminal box 2, described casing 1 comprises framework 11, bottom sealing plate 12, upper sealing plate 13 and back of the body shrouding 14, the both sides that described framework 11 is wherein relative are provided with side seal board 15, described framework 11, bottom sealing plate 12, upper sealing plate 13, back of the body shrouding 14 and side seal board 15 constitute rectangular box structure, and all adopt technical grade all-metal construction, one conveniently can ensure to have enough physical strengths, can play the effect of good isolating exterior electromagnetic interference (EMI) on the other hand.The described side seal board 15 of described casing 1 wherein side is provided with collateral spike 151, described in another relative with collateral spike 151, side seal board 15 is provided with handle 152, be convenient for carrying, described casing 1 inner chamber is provided with power module 153 on described side seal board 15, described power module 153 is adapt to conventional power utilization environment condition, power module 153 have employed 100 ~ 240VAC, the power module of 50/60Hz, can meet the requirement of power environment in the ess-strain reliability testing of some exported products very well.Described bottom sealing plate 12 is provided with bottom sealing plate louvre 121, described bottom sealing plate 12 4 jiaos is respectively arranged with end feet 122, described casing 1 inner chamber is provided with guide rail 124 by fixed head 123 on described bottom sealing plate 12, described back of the body shrouding 14 is provided with power interface 141, backboard louvre 142 and network interface 143, described power interface 141 is for connecting external power source, described network interface 143 provides the communication interface of stress-strain test instrument and outer computer 3, it has the communication transfer speed of 100Mbps/1000Mbps, add the advantage of ethernet communication itself, ensure that data data stability and accuracy in high sampling rate test event, described casing 1 inner chamber is provided with system host 145 by screw thread bar 144 on described back of the body shrouding 14, adopt screw thread bar 144 to install and can guarantee that equipment is in the mechanical connection stability of transporting and use in rugged surroundings, described system host 145 is cores of composition stress-strain test instrument, can use according to reality and standardized 1 module of following expansion demand employing, the system host of 4 modules or 8 modules, described system host 145 side is provided with data communication interface 146, described data communication interface 146 is inserted with plug-in test cell 147, described plug-in test cell 147 carries out communication by described data communication interface 146 with described system host 145, described plug-in test cell 147 side is reinforced by bayonet apparatus 148 and is arranged in the slot of described system host 145 top, described plug-in test cell 147 adopts modular hardware units to design, meet the requirement of different test environment and measuring accuracy, the described plug-in test cell 147 of Modular Structure Design can select different group bridge mode according to actual demand, different analysis bandwidth, the unit of different measuring precision, thus erect stress-strain test solution flexibly.Described casing 1 is provided with inserting module interface 149 and reserved plate 1410 in the side relative with described back of the body shrouding 14, described inserting module interface 149 and reserved plate 1410 form the another side of described casing 1, the expansion interface that described reserved plate 1410 can use according to reality needs to replace with described inserting module interface 149, flexible and changeable, maintain easily upgrading, described reserved plate 1410 is provided with shift knob 1411, described inserting module interface 149 to be connected with described plug-in test cell 147 by shielded cable and to carry out communication, described inserting module interface 149 can according to the difference of application scenario, be replaced by the DB25 male of standard flexibly, DB25 female, DB37 male, the joint form of DB38 female or other customizations, described inserting module interface 149 coordinates with the described guide rail 124 on described bottom sealing plate 12 to be installed, described guide rail 124 auxiliary under, the location and the installation that meet the requirement of described inserting module interface 149 degree of precision can be ensured.
Stress-strain test instrument principle of work of the present utility model: during use, strain ga(u)ge (not shown) is connected in the corresponding test channel of the strain terminal box 2 of stress-strain test instrument of the present utility model, then use DB25 or the DB37 shielded cable of standard that strain terminal box 2 is connected with the described inserting module interface 149 of stress-strain test instrument of the present utility model, the described plug-in test cell 147 of described cabinet 1 inside provides Hui Sitong bridge road configure and provide driving voltage for it, signal condition (comprises signal gain, anti-aliasing filter), AD conversion.Described system host 145 adopts Industrial Ethernet and computing machine 3 to carry out data communication by network interface 143, and by the operational factor of computing machine 3 software control stress-strain gage, startup and stopping.Then, through conditioning and AD conversion after strain digital signal (be voltage signal in essence, conversion relation is there is with measure physical quantities) upload to computing machine 3 through Ethernet by system host 145, thus the operations such as subsequent analysis, display, storage, printing are carried out in software on computing machine 3.
Stress-strain test instrument of the present utility model adopts Modular Structure Design, test performance is stablized, carry with easy to use, relative to the closed integral structure of various similar strain testing equipment in the market, not only the assembling of product is more quick and easy, save cost of labor, and the quality problems that complicated manual assembly process can be avoided to cause; For user, the modular structural design of stress-strain test instrument and flexibly expansion interface, the use of very convenient equipment, safeguard and expand with upgrading, reduces and safeguard and expand cost.
Claims (5)
1. a stress-strain test instrument, comprise casing and strain terminal box, described casing comprises framework, bottom sealing plate, upper sealing plate and back of the body shrouding, it is characterized in that, the both sides that described framework is wherein relative are provided with side seal board, the described side seal board of wherein side is provided with collateral spike, described cabinets cavity is provided with power module on described side seal board, described bottom sealing plate is provided with bottom sealing plate louvre, described bottom sealing plate corner is respectively arranged with end feet, described cabinets cavity is provided with guide rail by fixed head on described bottom sealing plate, described back of the body shrouding is provided with power interface, backboard louvre and network interface, described cabinets cavity is provided with system host by screw thread bar on described back of the body shrouding, described system host side is provided with data communication interface, described data communication interface is provided with plug-in test cell, described plug-in test cell side is reinforced by bayonet apparatus and is arranged in the slot of described system host top, described casing is provided with inserting module interface and reserved plate in the side relative with described back of the body shrouding, described inserting module interface and reserved plate form the another side of described casing, described reserved plate is provided with shift knob.
2. stress-strain test instrument as claimed in claim 1, it is characterized in that, described framework, bottom sealing plate, upper sealing plate, back of the body shrouding and side seal board constitute rectangular box structure.
3. stress-strain test instrument as claimed in claim 1, it is characterized in that, described system host is the system host of standardized 1 module or 4 modules or 8 modules.
4. stress-strain test instrument as claimed in claim 1, it is characterized in that, described casing is provided with handle on the described side seal board of the side relative with described collateral spike.
5. stress-strain test instrument as claimed in claim 1, it is characterized in that, described inserting module interface coordinates with the described guide rail on described bottom sealing plate to be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625460.9U CN204142556U (en) | 2014-10-27 | 2014-10-27 | Stress-strain test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625460.9U CN204142556U (en) | 2014-10-27 | 2014-10-27 | Stress-strain test instrument |
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| Publication Number | Publication Date |
|---|---|
| CN204142556U true CN204142556U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420625460.9U Active CN204142556U (en) | 2014-10-27 | 2014-10-27 | Stress-strain test instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770490A (en) * | 2017-01-06 | 2017-05-31 | 南京华天科技发展股份有限公司 | A kind of multichannel conductivity measuring apparatus |
| CN108036998A (en) * | 2017-12-14 | 2018-05-15 | 西安航天化学动力厂 | It is a kind of to determine stress/determine strain detection testing device |
-
2014
- 2014-10-27 CN CN201420625460.9U patent/CN204142556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770490A (en) * | 2017-01-06 | 2017-05-31 | 南京华天科技发展股份有限公司 | A kind of multichannel conductivity measuring apparatus |
| CN108036998A (en) * | 2017-12-14 | 2018-05-15 | 西安航天化学动力厂 | It is a kind of to determine stress/determine strain detection testing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Zhuhai Jingshi Measurement and Control Technology Co., Ltd., 3rd Floor, Office Building, Building A, No. 5, Yangqing Street, Jing'an Town, Doumen District, Zhuhai City, Guangdong Province, 519180 Patentee after: Zhuhai Jingshi Measurement and Control Technology Co.,Ltd. Address before: Zhuhai Jingshi Measurement and Control Technology Co., Ltd., 3rd Floor, Office Building, Building A, No. 5, Yangqing Street, Jing'an Town, Doumen District, Zhuhai City, Guangdong Province, 519180 Patentee before: P&R. MEASUREMENT Inc. |