CN205157351U - Whole anti pressure test device of square structure of thin wall - Google Patents
Whole anti pressure test device of square structure of thin wall Download PDFInfo
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- CN205157351U CN205157351U CN201521001626.0U CN201521001626U CN205157351U CN 205157351 U CN205157351 U CN 205157351U CN 201521001626 U CN201521001626 U CN 201521001626U CN 205157351 U CN205157351 U CN 205157351U
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Abstract
The utility model discloses a whole anti pressure test device of square structure of thin wall, press from both sides tight seat down including the tight seat of last clamp with the tight seat complex of last clamp, upward the tight seat of clamp is the tight chamber of the square structure of thin wall clamp with the cavity that the tight seat of lower clamp formed, it is identical with the appearance of the square structure of thin wall that the square structure of thin wall presss from both sides tight chamber, go up the punch holder that presss from both sides tight stationary ladle and draw together two front and back settings, two punch holders are connected through first mounting, the middle part of punch holder is provided with the upper groove, it draws together the lower plate that two front and backs set up to press from both sides tight stationary ladle down, two lower plates are connected through the second mounting, the middle part of lower plate is provided with the low groove, be provided with a displacement sensor on the square structure axial inner wall of thin wall, be provided with the 2nd displacement sensor on the horizontal inner wall of the square structure of thin wall. The utility model discloses can realize the measurement of whole compressive resistance of the square component of thin wall and unilateral deflection, the reliability evaluation of material and component provides the reference of effectual data under acting on for the engine operating condition.
Description
Technical field
The utility model belongs to technical field of composite preparation, is specifically related to a kind of thin-walled square structure part entire compression force test device.
Background technology
C/C-SiC compound substance not only has the advantages such as high temperature resistant, Gao Biqiang, Gao Bimo, the low-density of one-component ceramic, wear-resistant and resistance to chemical corrosion; have more insensitive to crackle, there is not the features such as calamitous fracture; being listed in the development priority of high-temperature hot structured material of new generation, is the preferred material of punching engine air intake opening protective cover.But air intake opening protective cover is fuel gas inlet under engine chamber condition of work, its working environment is comparatively severe, need bear high-speed oxidation gas shock; Longevity of service, continuous working hundreds of second; Simultaneously when reality uses, burning indoor material at high temperature generated reactive gas forms certain pressure, and this pressure moves after impelling firing chamber and produces extruding to air intake opening protective cover.Once the generation under the synergies such as firing chamber extruding and high-temperature fuel gas washes away, vibration of air intake opening protective cover is ruptured or displacement exceedes design objective under extrusion, punching engine test run failure all can be caused.Therefore, to the entire compression power of air intake opening protective cover and deformation is accurate, authentic testing is extremely important.
Air intake opening protective cover is square nearly right angle thin-walled Varying-thickness structural elements; the method of current sign air intake opening protective cover compressive property is at portion of sample end office (EO) pressure contracting sample testing anti-compression properties; only to a certain degree can reflect the mechanical property of material local; but entire compression ability and the deflection of the actual use of component can not be reflected completely, can not play and meet the meaning that legitimate reading, checking analog result are grasped in actual measurement.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of thin-walled square structure part entire compression force test device is provided, it can realize the measurement of thin-walled square member entire compression power and monolateral deflection, provides effective data reference to the reliability evaluation of material and component under the effect of engine actual condition.
For achieving the above object, the technical solution adopted in the utility model is: a kind of thin-walled square structure part entire compression force test device, it is characterized in that: the lower clamping seats comprising clamping seats and coordinate with described upper clamping seats, the cavity that described upper clamping seats and described lower clamping seats are formed is thin-walled square structure part clamping chamber, the profile of described thin-walled square structure part clamping chamber and thin-walled square structure part matches, the train wheel bridge that described upper clamping seats is arranged before and after comprising two pieces, two pieces of described train wheel bridges are connected by the first fixture, the middle part of described train wheel bridge is provided with the upper groove for clamping thin-walled square structure part top, the lower plate that described lower clamping seats is arranged before and after comprising two pieces, two pieces of described lower plates are connected by the second fixture, the middle part of described lower plate is provided with the low groove for clamping thin-walled square structure part bottom, the axial inwall of described thin-walled square structure part is provided with the first displacement transducer for measuring thin-walled square structure part axial deflection, described thin-walled square structure part transverse inner wall is provided with the second displacement sensor for measuring thin-walled square structure part transversely deforming amount.
Above-mentioned a kind of thin-walled square structure part entire compression force test device, it is characterized in that: the described train wheel bridge being positioned at front side is connected by the 3rd fixture with the described lower plate being positioned at front side, the described train wheel bridge being positioned at rear side is connected by the 4th fixture with the described lower plate being positioned at rear side, described 3rd fixture and the 4th fixture are all vertically arranged, described 3rd fixture is arranged on the left end of the described train wheel bridge in front side, and described 4th fixture is arranged on the right-hand member of the described train wheel bridge of rear side.
Above-mentioned a kind of thin-walled square structure part entire compression force test device, is characterized in that: described 3rd fixture and the 4th fixture are bolt.
Above-mentioned a kind of thin-walled square structure part entire compression force test device, is characterized in that: be symmetrical arranged before and after two pieces of described train wheel bridges, is symmetrical arranged before and after two pieces of described lower plates.
Above-mentioned a kind of thin-walled square structure part entire compression force test device, it is characterized in that: the first nut that described first fixture is the first bolt and coordinates with described first bolt, the second nut that described second fixture is the second bolt and coordinates with described second bolt.
Above-mentioned a kind of thin-walled square structure part entire compression force test device, is characterized in that: the quantity of described first fixture is two, and two described first fixtures are symmetricly set on the left and right sides of train wheel bridge.
Above-mentioned a kind of thin-walled square structure part entire compression force test device, it is characterized in that: the quantity of described second fixture is four, wherein two described second fixtures are symmetricly set on the two bottom sides of lower plate, and another two described second fixtures are symmetricly set on the both sides, middle part of lower plate.
Above-mentioned a kind of thin-walled square structure part entire compression force test device, it is characterized in that: the lower end of described train wheel bridge is the first outstanding downwards step structure, the upper end of described lower plate is second-order ladder-shaper structure recessed down, and described first step structure and second-order ladder-shaper structure match.
Above-mentioned a kind of thin-walled square structure part entire compression force test device, is characterized in that: described first displacement transducer and second displacement sensor are YHD-50 displacement transducer.
Above-mentioned a kind of thin-walled square structure part entire compression force test device, is characterized in that: described train wheel bridge and lower plate are iron plate.
The utility model compared with prior art has the following advantages:
1, the utility model is for the actual operation requirements of thin-walled square structure part and feature, and specific aim solves the test of non-metallic member entire compression load, solves long-term unsolved problem, has filled up domestic blank; Materials relative to conventional specimen ring and test the mode of anti-compression properties, it more truly can reflect the complicated applied force of nonmetallic composite special-shaped part, and reliable test result, undulatory property is little.
2, levy for compression test crosshead displacement scale can not the deflection of Efficient Characterization actual components for the utility model, the deflection of material under certain loads is effectively measured by the introducing of the first displacement transducer and second displacement sensor, achieve the test of the deflection of both direction simultaneously, effective reference data is provided to design of material and engine design.
3, the utility model entire compression force test device is simple to operate, applicability is stronger, square structure part can be applicable to and promote the performance test for resin-based and based composite material of carbon, also clamping chamber can be made as the profiled pieces such as annular, to adapt to the performance test of different structure part.
4, the utility model structural design is very easy, convenient test, achieve the square C/C-SiC composites structural parts whole compressive resistance of thin-walled and frame deflection quick, directly measure.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation after the utility model removes the first displacement transducer and second displacement sensor.
Fig. 2 is the structural representation of clamping seats on the utility model.
Fig. 3 is the structural representation of clamping seats under the utility model.
Fig. 4 is using state figure of the present utility model.
Fig. 5 is the A-A sectional view of Fig. 4.
Description of reference numerals:
1-lower plate; 2-low groove; 3-train wheel bridge;
4-upper groove; 5-1-the 3rd fixture; 5-2-the 4th fixture;
6-the first fixture; 7-thin-walled square structure part; 8-1-the first displacement transducer;
8-2-second displacement sensor; 9-thin-walled square structure part clamping chamber; 10-the second fixture.
Embodiment
As shown in Figures 1 to 5, the lower clamping seats that the utility model comprises clamping seats and coordinates with described upper clamping seats, the cavity that described upper clamping seats and described lower clamping seats are formed is thin-walled square structure part clamping chamber 9, described thin-walled square structure part clamping chamber 9 matches with the profile of thin-walled square structure part 7, the train wheel bridge 3 that described upper clamping seats is arranged before and after comprising two pieces, two pieces of described train wheel bridges 3 are connected by the first fixture 6, the middle part of described train wheel bridge 3 is provided with the upper groove 4 for clamping thin-walled square structure part 7 top, the lower plate 1 that described lower clamping seats is arranged before and after comprising two pieces, two pieces of described lower plates 1 are connected by the second fixture 10, the middle part of described lower plate 1 is provided with the low groove 2 for clamping thin-walled square structure part 7 bottom, the axial inwall of described thin-walled square structure part 7 is provided with the first displacement transducer 8-1 for measuring thin-walled square structure part 7 axial deflection, described thin-walled square structure part 7 transverse inner wall is provided with the second displacement sensor 8-2 for measuring thin-walled square structure part 7 transversely deforming amount.
As shown in Figure 1 and Figure 4, the described train wheel bridge being positioned at front side is connected by the 3rd fixture 5-1 with the described lower plate being positioned at front side, the described train wheel bridge being positioned at rear side is connected by the 4th fixture 5-2 with the described lower plate being positioned at rear side, described 3rd fixture 5-1 and the 4th fixture 5-2 is all vertically arranged, described 3rd fixture 5-1 is arranged on the left end of the described train wheel bridge in front side, and described 4th fixture 5-2 is arranged on the right-hand member of the described train wheel bridge of rear side; 3rd fixture 5-1 and the 4th fixture 5-2 is set, clamping seats and lower clamping seats instability in the process of loading force can be prevented.
In the present embodiment, described 3rd fixture 5-1 and the 4th fixture 5-2 is bolt.
In the present embodiment, be symmetrical arranged before and after two pieces of described train wheel bridges 3, be symmetrical arranged before and after two pieces of described lower plates 1.
In the present embodiment, the first nut that described first fixture 6 is the first bolt and coordinates with described first bolt, the second nut that described second fixture 10 is the second bolt and coordinates with described second bolt.
In the present embodiment, the quantity of described first fixture 6 is two, and two described first fixtures 6 are symmetricly set on the left and right sides of train wheel bridge 3.
In the present embodiment, the quantity of described second fixture 10 is four, and wherein two described second fixtures are symmetricly set on the two bottom sides of lower plate 1, and another two described second fixtures are symmetricly set on the both sides, middle part of lower plate 1.
In the present embodiment, the lower end of described train wheel bridge 3 is the first outstanding downwards step structure, and the upper end of described lower plate 1 is second-order ladder-shaper structure recessed down, and described first step structure and second-order ladder-shaper structure match.
In the present embodiment, described first displacement transducer 8-1 and second displacement sensor 8-2 is YHD-50 displacement transducer.
In the present embodiment, described train wheel bridge 3 and lower plate 1 are iron plate.
Employing the utility model to the process that thin-walled square structure part carries out entire compression Force meansurement is: first, prepare thin-walled square structure part (thin-walled square C/C-SiC air intake opening protective cover) 7 one, webbing one end of the thin-walled square structure part 7 of preparation is put in lower clamping, by four the second fixtures 10, two pieces, front and back lower plate 1 is fixed; Then, upper clamping seats is aimed at thin-walled square structure part 7, by two the first fixtures 6, two pieces, front and back train wheel bridge 3 is fixed, when after upper clamping seats and the clamping of lower clamping seats, by the 3rd fixture 5-1, the 4th fixture 5-2, upper clamping seats and lower clamping seats are fixed, to ensure that upper clamping seats and lower clamping seats are fixedly clamped, then thin-walled square structure part 7 is in place in proving installation.Thin-walled square structure part entire compression Force meansurement test of the present utility model is carried out at electro-hydraulic servo testing machine, the proving installation entirety being provided with thin-walled square structure part 7 is put on the compression test jig platform of electro-hydraulic servo testing machine, before formal compression test starts, first apply certain load, ensure that compression test fixture and the entire compression power frock of electro-hydraulic servo testing machine closely cooperate, and guarantee the axial contact internal walls of the first displacement transducer 8-1 and thin-walled square structure part 7, the axial lateral contact of second displacement sensor 8-2 and thin-walled square structure part 7, and the first displacement transducer 8-1 and second displacement sensor 8-2 is accessed portable strain testing instrument.Start electro-hydraulic servo testing machine, compression-loaded speed is 0.5mm/min, and electro-hydraulic servo testing machine crosshead displacement is approximately the axial deformation amount of whole incompressible device, simultaneously the curves of stress-strain relationship of the automatic recording compressed process of electro-hydraulic servo testing machine.While startup electro-hydraulic servo testing machine, open portable strain testing instrument, axis and transversal displacement is recorded by the first displacement transducer 8-1 and second displacement sensor 8-2 under 100N, 1000N loading force, often increase 1000N loading force afterwards and just record corresponding data, when thin-walled square structure part 7 ruptures under compressive loading, record the reading of the first displacement transducer 8-1 and second displacement sensor 8-2, reduced overall has been tested.Electro-hydraulic servo testing machine has read maximum pressure load, add clamping seats itself from gravity, the just known thin-walled square structure part largest global compression resistance force that can bear; Transversely deforming amount and the axial deflection of thin-walled square structure part under maximum compression load can be read by portable strain testing instrument simultaneously.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a thin-walled square structure part entire compression force test device, it is characterized in that: the lower clamping seats comprising clamping seats and coordinate with described upper clamping seats, the cavity that described upper clamping seats and described lower clamping seats are formed is thin-walled square structure part clamping chamber (9), described thin-walled square structure part clamping chamber (9) matches with the profile of thin-walled square structure part (7), the train wheel bridge (3) that described upper clamping seats is arranged before and after comprising two pieces, two pieces of described train wheel bridges (3) are connected by the first fixture (6), the middle part of described train wheel bridge (3) is provided with the upper groove (4) for clamping thin-walled square structure part (7) top, the lower plate (1) that described lower clamping seats is arranged before and after comprising two pieces, two pieces of described lower plates (1) are connected by the second fixture (10), the middle part of described lower plate (1) is provided with the low groove (2) for clamping thin-walled square structure part (7) bottom, the axial inwall of described thin-walled square structure part (7) is provided with the first displacement transducer (8-1) for measuring thin-walled square structure part (7) axial deflection, described thin-walled square structure part (7) transverse inner wall is provided with the second displacement sensor (8-2) for measuring thin-walled square structure part (7) transversely deforming amount.
2. according to a kind of thin-walled square structure part entire compression force test device according to claim 1, it is characterized in that: the described train wheel bridge being positioned at front side is connected by the 3rd fixture (5-1) with the described lower plate being positioned at front side, the described train wheel bridge being positioned at rear side is connected by the 4th fixture (5-2) with the described lower plate being positioned at rear side, described 3rd fixture (5-1) and the 4th fixture (5-2) are all vertically arranged, described 3rd fixture (5-1) is arranged on the left end of the described train wheel bridge in front side, described 4th fixture (5-2) is arranged on the right-hand member of the described train wheel bridge of rear side.
3., according to a kind of thin-walled square structure part entire compression force test device according to claim 2, it is characterized in that: described 3rd fixture (5-1) and the 4th fixture (5-2) are bolt.
4. according to a kind of thin-walled square structure part entire compression force test device described in claim 1,2 or 3, it is characterized in that: be symmetrical arranged before and after two pieces of described train wheel bridges (3), be symmetrical arranged before and after two pieces of described lower plates (1).
5. according to a kind of thin-walled square structure part entire compression force test device described in claim 1,2 or 3, it is characterized in that: the first nut that described first fixture (6) is the first bolt and coordinates with described first bolt, the second nut that described second fixture (10) is the second bolt and coordinates with described second bolt.
6. according to a kind of thin-walled square structure part entire compression force test device described in claim 1,2 or 3, it is characterized in that: the quantity of described first fixture (6) is two, two described first fixtures (6) are symmetricly set on the left and right sides of train wheel bridge (3).
7. according to a kind of thin-walled square structure part entire compression force test device described in claim 1,2 or 3, it is characterized in that: the quantity of described second fixture (10) is four, wherein two described second fixtures are symmetricly set on the two bottom sides of lower plate (1), and another two described second fixtures are symmetricly set on the both sides, middle part of lower plate (1).
8. according to a kind of thin-walled square structure part entire compression force test device described in claim 1,2 or 3, it is characterized in that: the lower end of described train wheel bridge (3) is the first outstanding downwards step structure, the upper end of described lower plate (1) is second-order ladder-shaper structure recessed down, and described first step structure and second-order ladder-shaper structure match.
9., according to a kind of thin-walled square structure part entire compression force test device described in claim 1,2 or 3, it is characterized in that: described first displacement transducer (8-1) and second displacement sensor (8-2) are YHD-50 displacement transducer.
10., according to a kind of thin-walled square structure part entire compression force test device described in claim 1,2 or 3, it is characterized in that: described train wheel bridge (3) and lower plate (1) are iron plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521001626.0U CN205157351U (en) | 2015-12-06 | 2015-12-06 | Whole anti pressure test device of square structure of thin wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521001626.0U CN205157351U (en) | 2015-12-06 | 2015-12-06 | Whole anti pressure test device of square structure of thin wall |
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| CN205157351U true CN205157351U (en) | 2016-04-13 |
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| CN201521001626.0U Active CN205157351U (en) | 2015-12-06 | 2015-12-06 | Whole anti pressure test device of square structure of thin wall |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332953A (en) * | 2017-10-20 | 2018-07-27 | 北京空天技术研究所 | A kind of internal pressure deformation of cylindrical matching test device for thermal protection structure |
| CN109612853A (en) * | 2018-11-26 | 2019-04-12 | 深圳市华星光电技术有限公司 | Compression test device and its test method |
| CN111678769A (en) * | 2020-07-13 | 2020-09-18 | 南京理工大学 | Gas impact type composite material crack simulation test device and method |
-
2015
- 2015-12-06 CN CN201521001626.0U patent/CN205157351U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332953A (en) * | 2017-10-20 | 2018-07-27 | 北京空天技术研究所 | A kind of internal pressure deformation of cylindrical matching test device for thermal protection structure |
| CN108332953B (en) * | 2017-10-20 | 2019-02-15 | 北京空天技术研究所 | A kind of internal pressure deformation of cylindrical matching test device for thermal protection structure |
| CN109612853A (en) * | 2018-11-26 | 2019-04-12 | 深圳市华星光电技术有限公司 | Compression test device and its test method |
| CN111678769A (en) * | 2020-07-13 | 2020-09-18 | 南京理工大学 | Gas impact type composite material crack simulation test device and method |
| CN111678769B (en) * | 2020-07-13 | 2022-12-13 | 南京理工大学 | Gas impact type composite material crack simulation test device and method |
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