CN203365293U - Tension test system of structural adhesive - Google Patents
Tension test system of structural adhesive Download PDFInfo
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- CN203365293U CN203365293U CN 201320452347 CN201320452347U CN203365293U CN 203365293 U CN203365293 U CN 203365293U CN 201320452347 CN201320452347 CN 201320452347 CN 201320452347 U CN201320452347 U CN 201320452347U CN 203365293 U CN203365293 U CN 203365293U
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- dynamometer
- controller
- stepper motor
- test system
- screw mandrel
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Abstract
The utility model discloses a tension test system of a structural adhesive. The system comprises a controllable environment box, a dynamometer, a stepper motor and a controller, wherein the controllable environment box comprises a box body as well as a heater, a refrigerator, a humidifier, a dryer, a temperature sensor and a humidity sensor which are mounted on the box body; output ends of the temperature sensor and the humidity sensor are connected with an input end of the controller; an output end of the controller is connected with input ends of the heater, the refrigerator, the humidifier and the dryer; the dynamometer is mounted in the box body; the stepper motor is mounted on the outer end surface of the box body; the output end of the controller is further connected with the stepper motor; and a coupler of the stepper motor is connected with the dynamometer. According to the tension test system of the structural adhesive, the dynamometer is mounted in the controllable environment box, so that constancy of temperature and humidity of a test environment is guaranteed, and test errors are reduced; and besides, the tension test system is simple in structure, easy to operate and low in manufacturing cost.
Description
Technical field
The utility model relates to a kind of test macro, is specifically related to a kind of sqtructural adhesive tensile test system.
Background technology
Adhesive technology is a kind of technology that adopts tackifier that various materials or parts are coupled together, and it has, and cost is low, lightweight, good airproof performance and the plurality of advantages such as easy to operate, so adhesive technology is widely used in people's production and daily life.
In recent years, some novel adhesives also start to be applied to the connection of the stressed member of important structure, and these tackifier are called as sqtructural adhesive.
Because sqtructural adhesive belongs to polymer composite mostly, its performance is subject to the impact of environmental baseline (temperature, humidity and rate of straining etc.) very large.The cohesive strength of sqtructural adhesive material under the Accurate Measurement different condition, the parameters such as derivation temperature, humidity and rate of straining are learned model to sqtructural adhesive performance impact specified number, significant to studying its reliability and permanance.Achieve the above object, just need to carry out a large amount of experiments, measure the cohesive strength parameter of sqtructural adhesive under various environmental baselines.Due to, the cross section of sqtructural adhesive test sample book is narrow thin, and bearing load is less, and existing sqtructural adhesive tensile test systematic error is large, and structure more complicated and not easy to operate all.
The utility model content
The deficiency existed for prior art, the utility model purpose is to provide a kind of error sqtructural adhesive tensile test system little, simple in structure.
To achieve these goals, the utility model is to realize by the following technical solutions:
The utility model comprises controllable environment case, dynamometer, stepper motor and controller; The controllable environment case comprises casing and is arranged on well heater, refrigerator, humidifier, exsiccator, temperature sensor and the humidity sensor on casing; The output terminal of temperature sensor and humidity sensor connects the input end of controller, and the output terminal of controller connects the input end of well heater, refrigerator, humidifier and exsiccator; Dynamometer is arranged in casing, and stepper motor is arranged on the outer face of casing, and the output terminal of controller also connects stepper motor, and the shaft coupling of stepper motor is connected with dynamometer.
Above-mentioned dynamometer comprises support and rack-mount gearing, device for measuring force and test sample; Support comprises peripheral frame and is arranged on the horizontal baffle of peripheral frame inside; Gearing comprises screw mandrel, be arranged on feed screw nut on screw mandrel, be arranged on horizontal baffle and with the billy gate of instrument connection be arranged on the steel ball on billy gate; Screw mandrel one end is connected with shaft coupling, and the other end of screw mandrel is arranged on horizontal baffle by bearing, and it is upper that test sample one end is fixed on the feed screw nut, and the test sample other end is fixed on billy gate; Device for measuring force comprises dynamometer link and is arranged on four sheet resistance foil gauges on dynamometer link; The dynamometer link bottom is fixed on peripheral frame, and the dynamometer link top is stretched out and contacted with steel ball from instrument connection, and resistance strain gage is connected with controller by signal wire.
Above-mentioned resistance strain gage is arranged on the root of dynamometer link.
Above-mentioned screw mandrel and dynamometer link are all selected corrosion resistant material.
The utility model is by dynamometer is arranged in the controllable environment case, thereby guaranteed temperature, humidity constant of test environment, and then reduced the error of test; In addition, the utility model is simple in structure, easy operating and cost of manufacture low.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is dynamometer structural representation of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1, the utility model comprises controllable environment case, dynamometer 2, stepper motor 3 and controller (not shown in FIG.).
The controllable environment case comprises casing 1-1 and is arranged on well heater 1-2, refrigerator 1-3, humidifier 1-4, exsiccator 1-5, temperature sensor 1-6 and the humidity sensor 1-7 on casing 1-1.
The output terminal of temperature sensor 1-6 and humidity sensor 1-7 connects the input end of controller, and the output terminal of controller connects the input end of well heater 1-2, refrigerator 1-3, humidifier 1-4 and exsiccator 1-5.
Well heater 1-2 and refrigerator 1-3 are respectively used to heating and refrigeration in casing 1-1, by controller, are controlled, to keep the temperature constant in casing 1-1; Humidifier 1-4 and exsiccator 1-5 are respectively used to humidification in casing 1-1 and, with dry, are controlled by controller, to keep the moisturt register in casing 1-1 constant.Thereby keep the interior humiture of casing 1-1 constant, and then reduced the error of test macro.
Referring to Fig. 2, the dynamometer 2 of the present embodiment comprises support and rack-mount gearing, device for measuring force and test sample 2-3.
Wherein, support comprises peripheral frame 2-9 and the horizontal baffle 2-4 that is arranged on peripheral frame 2-9 inside.
Wherein, gearing comprises screw mandrel 2-1, is arranged on feed screw nut 2-2 on screw mandrel 2-1, is positioned at horizontal baffle 2-4 right side and with the billy gate 2-6 of instrument connection be arranged on the steel ball 2-5 on billy gate 2-6.
The left end of screw mandrel 2-1 is connected with the shaft coupling of stepper motor 3, the right-hand member of screw mandrel 2-1 is arranged on fixed mount in the middle of horizontal baffle 2-4 (in figure not label) by bearing (in figure not label), the left end of test sample 2-3 is fixed on feed screw nut 2-2, and the right-hand member of test sample 2-3 is fixed on billy gate 2-6.
Wherein, device for measuring force comprises dynamometer link 2-7 and four sheet resistance foil gauge 2-8, and resistance strain gage 2-8 is arranged on the root both sides of dynamometer link 2-7, and resistance strain gage 2-8 is connected with controller by signal wire 2-10.The strain signal of signal wire 2-10 output input control device after amplifying is processed.
The bottom of dynamometer link 2-7 is fixed on the bottom of peripheral frame 2-9, stretch out from instrument connection on the top of dynamometer link 2-7, the right flank of dynamometer link 2-7 contacts with the steel ball 2-5 on billy gate 2-6, form the stress form of semi-girder (in the situation that acting force is identical, the cantilever force form can obtain larger elastic deformation at dynamometer link 2-7 root), four sheet resistance foil gauge 2-8 form the Hui Sitong full-bridge circuit in order to measure the elastic deformation amount of dynamometer link 2-7.
The temperature and humidity of considering screw mandrel 2-1 working environment is higher, for avoiding corrosion, affects measuring accuracy of the present utility model, the anti-oxidant and stronger ferrite type stainless steel of corrosivity of screw mandrel 2-1 material selection.
The working environment of dynamometer link 2-7 is identical with screw mandrel 2-1, also may under higher temperature and humidity conditions, work for a long time, also should select the material that corrosion resistance is stronger.
The principle of work of dynamometer 2 is as follows:
Billy gate 2-6 can move flexibly on horizontal baffle 2-4, because the friction factor of dolly is very little, therefore can think that the stretching action power on test sample 2-3 will all be delivered on dynamometer link 2-7, both sizes are identical, resistance strain gage 2-8 is connected with controller by signal wire 2-10, and the strain signal of signal wire 2-10 output input control device after amplifying is processed.
Above demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a sqtructural adhesive tensile test system, is characterized in that, comprises controllable environment case, dynamometer (2), stepper motor (3) and controller;
Described controllable environment case comprises casing (1-1) and is arranged on well heater (1-2), refrigerator (1-3), humidifier (1-4), exsiccator (1-5), temperature sensor (1-6) and the humidity sensor (1-7) on casing (1-1);
The output terminal of described temperature sensor (1-6) and humidity sensor (1-7) connects the input end of controller, and the output terminal of described controller connects the input end of well heater (1-2), refrigerator (1-3), humidifier (1-4) and exsiccator (1-5);
Described dynamometer (2) is arranged in casing (1-1), described stepper motor (3) is arranged on the outer face of casing (1-1), the output terminal of described controller also connects stepper motor (3), and the shaft coupling of described stepper motor (3) is connected with dynamometer (2).
2. sqtructural adhesive tensile test system according to claim 1, is characterized in that, described dynamometer (2) comprises support and rack-mount gearing, device for measuring force and test sample (2-3);
Described support comprises peripheral frame (2-9) and is arranged on the inner horizontal baffle (2-4) of peripheral frame (2-9);
Described gearing comprises screw mandrel (2-1), be arranged on feed screw nut (2-2) on screw mandrel (2-1), to be arranged on horizontal baffle (2-4) upper and with the billy gate (2-6) of instrument connection be arranged on the steel ball (2-5) on billy gate (2-6);
Described screw mandrel (2-1) end is connected with shaft coupling, the other end of screw mandrel (2-1) is arranged on horizontal baffle (2-4) by bearing, it is upper that described test sample (2-3) end is fixed on feed screw nut (2-2), and test sample (2-3) other end is fixed on billy gate (2-6);
Described device for measuring force comprises dynamometer link (2-7) and is arranged on four sheet resistance foil gauges (2-8) on dynamometer link (2-7);
It is upper that described dynamometer link (2-7) bottom is fixed on peripheral frame (2-9), and dynamometer link (2-7) top is stretched out and contacted with steel ball (2-5) from instrument connection, and described resistance strain gage (2-8) is connected with controller by signal wire (2-10).
3. sqtructural adhesive tensile test system according to claim 2, is characterized in that,
Described resistance strain gage (2-8) is arranged on the root of dynamometer link (2-7).
4. sqtructural adhesive tensile test system according to claim 2, is characterized in that,
Described screw mandrel (2-1) and dynamometer link (2-7) are all selected corrosion resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320452347 CN203365293U (en) | 2013-07-29 | 2013-07-29 | Tension test system of structural adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320452347 CN203365293U (en) | 2013-07-29 | 2013-07-29 | Tension test system of structural adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203365293U true CN203365293U (en) | 2013-12-25 |
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ID=49813039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320452347 Expired - Fee Related CN203365293U (en) | 2013-07-29 | 2013-07-29 | Tension test system of structural adhesive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203365293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663500A (en) * | 2018-06-15 | 2018-10-16 | 赵银宝 | A kind of Adhensive performance test device |
-
2013
- 2013-07-29 CN CN 201320452347 patent/CN203365293U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663500A (en) * | 2018-06-15 | 2018-10-16 | 赵银宝 | A kind of Adhensive performance test device |
| CN108663500B (en) * | 2018-06-15 | 2020-11-06 | 赵银宝 | Adhesive performance testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20140729 |
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| EXPY | Termination of patent right or utility model |