CN203965262U - Test tool - Google Patents
Test tool Download PDFInfo
- Publication number
- CN203965262U CN203965262U CN201420178466.6U CN201420178466U CN203965262U CN 203965262 U CN203965262 U CN 203965262U CN 201420178466 U CN201420178466 U CN 201420178466U CN 203965262 U CN203965262 U CN 203965262U
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- China
- Prior art keywords
- support portion
- test fixture
- groove
- solenoid valve
- drift
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 238000005452 bending Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 abstract description 14
- 238000007689 inspection Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a test fixture for the compliance test of gasket is experimental, include drive arrangement, drift and be used for supporting the strutting arrangement who is surveyed the gasket, drift detachably installs drive arrangement, the drive arrangement drive drift reciprocating motion will be the U type is bent into to the quilt survey gasket. The utility model discloses a test fixture, simple structure, the compliance test of quilt survey gasket realizes mechanical automatic action, reduces because of the error that the human factor caused, improves the reliability of gasket test result, reduces because of the error that the human factor caused, has promoted test accuracy and inspection efficiency.
Description
Technical field
The utility model relates to test fixture field, relates in particular to a kind of test fixture of the flexibility testing experiment for pad.
Background technology
In air-conditioning system, sealing when pad is mainly used in the connection of the rigid material such as package, flange, the resistance to damage capability of gasket material between stamping-out process and installation period is to weigh the key project of its performance quality, and flexibility test is mainly used to weigh the resistance to working ability of pad.In non-metallic gasket material softness test method, often utilize steel pole, manually make pad sample ring around 180 °, whether have crackle by observing sample, fracture or skin lamination etc. is judged quality extremely.Existing method is too simple, does not retrain for test period, the dynamics that applies, and test condition cannot be unified, and easily makes test findings have different.
Utility model content
In view of the present situation of prior art, the purpose of this utility model is to provide a kind of test fixture, and it improves the reliability of pad test findings, reduces the error causing because of human factor, has promoted testing precision and checkability.For achieving the above object, the technical solution of the utility model is as follows:
A kind of test fixture, for the flexibility testing experiment of pad, comprise drive unit, drift and for supporting the bracing or strutting arrangement of tested pad, described drift is removably mounted on described drive unit, described drive unit drives described drift to-and-fro movement, and described tested pad is bent into U-shaped.
More preferably, described bracing or strutting arrangement comprises the first support portion and the second support portion, and described the first support portion and described the second interval, support portion are symmetrical arranged, and are all provided for supporting the first groove of tested pad on described the first support portion and described the second support portion.
More preferably, described the first support portion and described the second support portion be shaped as L shaped.
More preferably, the head semicircular in shape of described drift.
More preferably, described test fixture also comprises base, the second groove is set on described base, and described the first support portion and described the second support portion partly embed described the second groove, and described the first support portion is all connected with described the second groove wedge shape with described the second support portion.
Further, described the second groove is big top and small bottom dovetail groove, and the bottom of described the first support portion and described the second support portion is trapezoidal shape, suitable with described the second groove.
More preferably, in described the second groove, threaded hole is set, the through hole that described the first support portion is corresponding with described threaded hole with setting on described the second support portion, described the first support portion is fixedly connected with described the second groove by bolt with described the second support portion.
More preferably, the bending angle of described tested pad is 180 ° ± 10 °.
More preferably, described test fixture also comprises the time relay, auxiliary reclay, the first solenoid valve and the second solenoid valve, the coil of the described time relay connects power supply, the connect coil of described auxiliary reclay of the tip side of the described time relay connects described power supply, the normally opened contact end of described auxiliary reclay described the first solenoid valve of connecting connects described power supply, the normally closed contact end of described auxiliary reclay described the second solenoid valve of connecting connects described power supply, thereby make auxiliary reclay described in described time relay control, the first solenoid valve and described the second solenoid valve described in described auxiliary reclay control.
Further, the coil of the described time relay also tandem tap connect described power supply.
The beneficial effects of the utility model are:
Test fixture of the present utility model, simple in structure, the flexibility test of tested pad realizes machine automatization action, improves the reliability of pad test findings, reduces the error causing because of human factor, has promoted testing precision and checkability.Replaceable drift and bracing or strutting arrangement, strengthen the versatility of test fixture, promote drift by drive unit sample is carried out to 180 ° of tests of bending, frock setup times relay, effectively Control experiment dynamics, the time, cannot constant test period while solving the test of pad flexibility, apply the defect of dynamics, only need a frock just can meet the test demand of different-thickness pad, the Improvement of pad class material test method is provided the foundation simultaneously.
Brief description of the drawings
Fig. 1 is the schematic perspective view of test fixture one embodiment of the present utility model;
Fig. 2 is that test fixture shown in Fig. 1 is at the schematic perspective view of another direction of observation;
Fig. 3 is the front view of test fixture shown in Fig. 1;
Fig. 4 is the vertical view of test fixture shown in Fig. 1;
Fig. 5 is the left view of test fixture shown in Fig. 1;
Fig. 6 is the schematic perspective view that the drift of test fixture shown in Fig. 1 coordinates with tested pad before punching press;
Fig. 7 is the schematic perspective view that is engaged in another direction of observation before drift punching press shown in Fig. 6 with tested pad;
Fig. 8 is the front view of Fig. 6;
Fig. 9 is the vertical view of Fig. 6;
Figure 10 is the left view of Fig. 6;
Figure 11 is the schematic perspective view that the drift of test fixture shown in Fig. 1 coordinates with tested pad after punching press;
Figure 12 is the schematic perspective view that is engaged in another direction of observation shown in Figure 11 after drift punching press with tested pad;
Figure 13 is the front view of Figure 11;
Figure 14 is the vertical view of Figure 11;
Figure 15 is the left view of Figure 11;
Figure 16 is the pneumatic transmission schematic diagram of test fixture of the present utility model;
Figure 17 is the electric control circuit figure of test fixture of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, test fixture of the present utility model is further elaborated.Should be appreciated that specific embodiment described herein is only for explaining the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Figure 15, test fixture one embodiment of the present utility model, for the flexibility testing experiment of pad, test fixture comprises drive unit, drift 2 and for supporting the bracing or strutting arrangement 3 of tested pad 5, drift 2 is removably mounted on drive unit, drive unit drives drift 2 to-and-fro movements, and tested pad 5 is bent into U-shaped.Wherein, drive unit can be cylinder 1, the head semicircular in shape of drift 2, and the bending angle of tested pad 5 is 180 ° ± 10 °.
As a kind of embodiment, bracing or strutting arrangement 3 comprises that being shaped as of the first support portion 31 and 32, the first support portions 31, the second support portion and the second support portion 32 is L shaped.The first support portion 31 and 32 intervals, the second support portion are symmetrical arranged, and are all provided for supporting the first groove 312 of tested pad 5 on the first support portion 31 and the second support portion 32.Bracing or strutting arrangement 3 is divided into left and right two parts (the first support portion 31 and the second support portion 32), and the adjustment of relative distance can be realized in the first support portion 31 and the second support portion 32, meets the requirement of the different bending diameters of different-thickness pad.
As a kind of embodiment, test fixture also comprises base 4, the second groove 41, the first support portions 31 and the second support portion 32 is set on base 4 and partly embeds the second groove 41, the first support portions 31 and be all connected with the second groove 41 wedge shapes with the second support portion 32.Wherein, the second groove 41 is big top and small bottom dovetail groove, and the bottom of the first support portion 31 and the second support portion 32 is trapezoidal shape, suitable with the second groove 41.
The interior threaded hole that arranges of the second groove 41, the first support portion 31 is fixedly connected with the second groove 41 by bolt with the second support portion 32 with setting through hole 311, the first support portions 31 corresponding with described threaded hole on the second support portion 32.The first support portion 31, the second support portion 32 adopt wedge shape to be connected with the cooperation of base 4, by fix the position of the first support portion 31 and the second support portion 32 in the threaded hole tackbolt of the second groove 41, wedge shape connects the first support portion 31 and the not stressed movement easily of the second support portion 32 while making to test.
When test, tested pad 5 samples of cutting out are placed in the first groove 312 of the first support portion 31 and the second support portion 32, divide the action of control cylinder 1 by electric control part, cylinder 1 utilizes and is threaded with drift 2, when after cylinder 1 action, promoting drift 2 moves downwards, make 180 ° of tested pad 5 bendings, certain hour exhaust hood resets, and test completes.
As a kind of embodiment, Figure 16 is the schematic diagram of the pneumatic transmission part of test fixture, cylinder 1 is connected source of the gas by the first solenoid valve 8 with the second solenoid valve 9, the first solenoid valve 8 is cylinder action solenoid valve, the second solenoid valve 9 is return hydraulic cylinder solenoid valve, between source of the gas and two solenoid valves, pressure regulator valve 6 and tensimeter 7 are also set, source of the gas is that pressure is the pressurized air of 0-0.6Mpa, can be by the adjusting of pressure regulator valve 6 being controlled to the pressure of the system of entering, wherein tensimeter 7 can real-time display system pressure size, carrys out regulating system pressure by observing tensimeter 7.When the action solenoid valve of the first solenoid valve 8(cylinder 1) while opening, source of the gas is entered in cylinder 1 by import, makes it produce action; After punching press completes, close the first solenoid valve, gas cannot pass into cylinder 1, simultaneously the backhaul solenoid valve of the second solenoid valve 9(cylinder 1) open and ventilate, make cylinder 1 realize homing action.By cylinder 1 is added, pressure release action, make cylinder 1 do bending action to tested pad.
The electric control circuit figure of test fixture as shown in figure 17, the coil of time relay T1 connects power supply, and (in figure, the live wire of power supply is L, the zero line of power supply is N), the coil of the tip side series connection auxiliary reclay M1 of time relay T1 connects described power supply, the normally opened contact end of auxiliary reclay M1 first solenoid valve 8 of connecting connects described power supply, the normally closed contact end of auxiliary reclay M1 second solenoid valve 9 of connecting connects described power supply, thereby make time relay T1 control auxiliary reclay M1, auxiliary reclay M1 controls the first solenoid valve 8 and the second solenoid valve 9.Preferably, the coil of time relay T1 also tandem tap C1 connect described power supply.Master switch K1 plays the effect of power switch, and the protection device of frock when fuse 10 is circuit abnormal is usual fuse or breaker protector.Time relay T1 controls the break-make of auxiliary reclay M1, and opening time, the shut-in time of corresponding test are set; Auxiliary reclay M1 adopts single-pole double-throw type, and an auxiliary reclay M1 controls two solenoid valves, and cylinder action solenoid valve is normally off, and return hydraulic cylinder solenoid valve is normally open; In the time that cylinder action solenoid valve is opened, return hydraulic cylinder closed electromagnetic valve, realizes the pressing action of cylinder, and realizes and automatically reseting after regulation test period.
The test fixture of above embodiment, simple in structure, promote by cylinder, the flexibility test of tested pad realizes machine automatization action, reduce the error causing because of human factor, testing precision and checkability are promoted, improve the reliability of pad test findings, replaceable drift and bracing or strutting arrangement, realize the testing requirements of different-thickness pad, strengthen the versatility of test fixture, promote drift by drive unit sample is carried out to 180 ° of tests of bending, frock setup times relay, effectively Control experiment dynamics, time, cannot constant test period while solving the test of pad flexibility, apply the defect of dynamics, only need a frock just can meet the test demand of different-thickness pad, the Improvement of pad class material test method is provided the foundation simultaneously.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a test fixture, for the flexibility testing experiment of pad, is characterized in that:
Comprise drive unit, drift and for supporting the bracing or strutting arrangement of tested pad, described drift is removably mounted on described drive unit, described drive unit drives described drift to-and-fro movement, and described tested pad is bent into U-shaped.
2. test fixture according to claim 1, is characterized in that:
Described bracing or strutting arrangement comprises the first support portion and the second support portion, and described the first support portion and described the second interval, support portion are symmetrical arranged, and are all provided for supporting the first groove of tested pad on described the first support portion and described the second support portion.
3. test fixture according to claim 2, is characterized in that:
Being shaped as of described the first support portion and described the second support portion is L shaped.
4. test fixture according to claim 3, is characterized in that:
The head semicircular in shape of described drift.
5. according to the test fixture described in claim 2-4 any one, it is characterized in that:
Also comprise base, the second groove is set on described base, described the first support portion and described the second support portion partly embed described the second groove, and described the first support portion is all connected with described the second groove wedge shape with described the second support portion.
6. test fixture according to claim 5, is characterized in that:
Described the second groove is big top and small bottom dovetail groove, and the bottom of described the first support portion and described the second support portion is trapezoidal shape, suitable with described the second groove.
7. test fixture according to claim 5, is characterized in that:
In described the second groove, threaded hole is set, the through hole that described the first support portion is corresponding with described threaded hole with setting on described the second support portion, described the first support portion is fixedly connected with described the second groove by bolt with described the second support portion.
8. test fixture according to claim 5, is characterized in that:
The bending angle of described tested pad is 180 ° ± 10 °.
9. test fixture according to claim 5, is characterized in that:
Also comprise the time relay, auxiliary reclay, the first solenoid valve and the second solenoid valve, the coil of the described time relay connects power supply, the connect coil of described auxiliary reclay of the tip side of the described time relay connects described power supply, the normally opened contact end of described auxiliary reclay described the first solenoid valve of connecting connects described power supply, the normally closed contact end of described auxiliary reclay described the second solenoid valve of connecting connects described power supply, thereby make auxiliary reclay described in described time relay control, the first solenoid valve and described the second solenoid valve described in described auxiliary reclay control.
10. test fixture according to claim 9, is characterized in that:
The coil of the described time relay also tandem tap connects described power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178466.6U CN203965262U (en) | 2014-04-14 | 2014-04-14 | Test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178466.6U CN203965262U (en) | 2014-04-14 | 2014-04-14 | Test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965262U true CN203965262U (en) | 2014-11-26 |
Family
ID=51925828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178466.6U Expired - Fee Related CN203965262U (en) | 2014-04-14 | 2014-04-14 | Test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203965262U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124340A (en) * | 2016-08-09 | 2016-11-16 | 耐世特凌云驱动系统(涿州)有限公司 | Axostylus axostyle folding test device |
| CN110631934A (en) * | 2019-09-27 | 2019-12-31 | 郑州新泰精密量仪有限公司 | Waveform gasket fatigue testing machine and testing method thereof |
-
2014
- 2014-04-14 CN CN201420178466.6U patent/CN203965262U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124340A (en) * | 2016-08-09 | 2016-11-16 | 耐世特凌云驱动系统(涿州)有限公司 | Axostylus axostyle folding test device |
| CN106124340B (en) * | 2016-08-09 | 2019-04-12 | 耐世特凌云驱动系统(涿州)有限公司 | Shaft folding test device |
| CN110631934A (en) * | 2019-09-27 | 2019-12-31 | 郑州新泰精密量仪有限公司 | Waveform gasket fatigue testing machine and testing method thereof |
| CN110631934B (en) * | 2019-09-27 | 2022-07-12 | 郑州新泰精密量仪有限公司 | Waveform gasket fatigue testing machine and testing method thereof |
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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: 20141126 Termination date: 20210414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |