CN204228529U - The material test apparatus of the hydrogen gas environment of fast-open type controllable temperature - Google Patents
The material test apparatus of the hydrogen gas environment of fast-open type controllable temperature Download PDFInfo
- Publication number
- CN204228529U CN204228529U CN201420753372.7U CN201420753372U CN204228529U CN 204228529 U CN204228529 U CN 204228529U CN 201420753372 U CN201420753372 U CN 201420753372U CN 204228529 U CN204228529 U CN 204228529U
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- environment
- environmental cabinet
- openend
- engaging tooth
- tooth
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Abstract
The utility model relates to material mechanical performance testing apparatus, aims to provide a kind of material test apparatus of hydrogen gas environment of fast-open type controllable temperature.This device comprises the environment casing in being inverted tubbiness, only establishes openend in bottom; Environmental cabinet sealing socket is relatively provided with this openend; The center of environmental cabinet sealing socket arranges the through hole run through, and load bar stretches to environment box house by through hole; The openend of environment casing and the outer rim of environmental cabinet sealing socket all have the engaging tooth of the equi-spaced apart layout horizontally outward extended; This device also comprises the tooth-type clip of a ring-type, is provided with the engaging tooth that equi-spaced apart is arranged inside it, and cooperatively interacts with the engaging tooth of the outer rim of environment casing openend and environmental cabinet sealing socket, realizes engagement clamping.The utility model is by arranging temperature control chuck at environment casing, and the temperature of the case inner high voltage gas that controls environment, allows to the impact of probe temperature on material anti-hydrogen embrittlement performance; Adopt tooth-type clip quick-opening structure, install and remove quick and convenient.
Description
Technical field
The utility model belongs to material mechanical performance testing apparatus development field, particularly a kind of material test apparatus of hydrogen gas environment of fast-open type controllable temperature.
Background technology
High-pressure hydrogen storing device structure is simple, compression energy consumption is low, charge and discharge speed fast, is the hydrogen energy storage mode accounting for absolute leading position at present.But long-term work under hydrogen gas environment, the permanance of material can decline because of hydrogen embrittlement, may cause High Pressure Hydrogen system parts catastrophic failure, even explosion caused accident.And along with storing up the rising of hydrogen pressure, this problem is more outstanding.For guaranteeing that High Pressure Hydrogen system is long-term, safe, stable, reliably running, must the useful life longevity of material under hydrogen environment be tested and be assessed.In addition, high-pressure hydrogen storage in the course of the work its temperature not remains at normal temperature, and therefore hydrogen gas environment device for testing endurance must possess the test function under different temperatures, truly can obtain the impact of temperature on material Hydrogen Embrittlement.
At present, under hydrogen gas environment, material mechanical performance testing apparatus often adopts the mode of docking high pressure hydrogen environment case on existing testing machine main frame, and this kind equipment major part only can carry out the Mechanics Performance Testing under normal temperature high voltage hydrogen environment.But, high pressure hydrogen environment case is needed to solve following two problems:
(1) increasing along with test pressure, testing equipment becomes huge gradually, adopts traditional bolt flange structure mounting or dismounting to take time and effort, increases the operation easier of testing crew, reduce test efficiency;
(2) because the hydrogen ambient temperature range of materials application is constantly widened, in the urgent need to the affecting laws of research temperature for material hydrogen embrittlement, therefore, carrying out control to the gas temperature in testing machine high pressure hydrogen environment case is problem demanding prompt solution.
At present, for problem (1), although there has been document to adopt quick-opening structure to reduce operation easier, as the testing machine of materials ' durability have employed bolt-type quick-opening structure under ZL2011102592522 testing high voltage hydrogen environment, rapid-assembling/disassembling can be realized.But the quick-opening structure that existing document adopts is high to requirement on machining accuracy, process more difficult, and environmental cabinet inner high voltage can cause latch to be out of shape, and then be unfavorable for mounting or dismounting, and latch itself weakens the intensity of casing shell ring, especially can be more serious during the opposing latch distortion thicker diameter latch of employing.For problem (2), there is no pertinent literature and propose solution.
Utility model content
The technical problems to be solved in the utility model is, overcomes deficiency of the prior art, proposes a kind of material test apparatus of hydrogen gas environment of fast-open type controllable temperature.
For technical solution problem, solution of the present utility model is:
There is provided a kind of material test apparatus of hydrogen gas environment of fast-open type controllable temperature, comprise environment casing, environment casing is inverted tubbiness, only establishes openend in bottom; Environmental cabinet sealing socket is relatively provided with this openend; The center of environmental cabinet sealing socket arranges the through hole run through, and load bar stretches to environment box house by through hole; The openend of environment casing and the outer rim of environmental cabinet sealing socket all have the engaging tooth of the equi-spaced apart layout horizontally outward extended; This device also comprises the tooth-type clip of a ring-type, is provided with the engaging tooth that equi-spaced apart is arranged inside it, and cooperatively interacts with the engaging tooth of the outer rim of aforesaid environmental box opening end and environmental cabinet sealing socket, realizes engagement clamping.
In the utility model, the bottom of described environmental cabinet sealing socket is provided with the environmental cabinet bearing of annular, is achieved a fixed connection by screw.
In the utility model, the upper surface of described environmental cabinet sealing socket has boss structure, and the matching form of this boss structure and environment casing openend closes the sealing to realize environment casing.
In the utility model, the outer setting temperature control chuck (realizing the control to environmental cabinet temperature) of described environment casing, is achieved a fixed connection by pin; The turnover pipeline of the external heating agent of temperature control chuck or refrigerant, and realize sealing (without the need to welding) by temperature control chuck seal.
In the utility model, described engaging tooth all adopts U-type groove round-corner transition structure (relative to traditional direct round-corner transition structure at its tooth root place, This structure increases the effective contact area between engaging tooth, more effectively improve root stress distribution, improve its tired serviceable life).
In the utility model, the upper limb inside described tooth-type clip and lower edge all have the structure that level extends internally, and the thickness sum of the outer rim of the spacing of this upper limb and lower edge and the openend of environment casing and environmental cabinet sealing socket is equal; The version of this upper limb and lower edge is following any one:
(1) upper limb is the engaging tooth that equi-spaced apart is arranged, lower edge is annular bayonet socket; Or
(2) lower edge is the engaging tooth that equi-spaced apart is arranged, upper limb is annular bayonet socket; Or
(3) upper limb and lower edge are the engaging tooth that equi-spaced apart is arranged, and upper limb is consistent with the engaging tooth position in vertical direction of lower edge.
The beneficial effects of the utility model are:
The utility model is by arranging temperature control chuck at environment casing, and the temperature of the case inner high voltage gas that controls environment, allows to the impact of probe temperature on material anti-hydrogen embrittlement performance; Adopt tooth-type clip quick-opening structure, install and remove quick and convenient.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is tooth-type clip schematic top plan view;
Fig. 3 is environment casing openend diagrammatic cross-section;
Fig. 4 is environmental cabinet sealing socket diagrammatic cross-section.
Reference numeral in figure is: pin 1, environment casing 2, temperature control chuck 3, temperature control chuck seal 4, dynamic seal 5, environmental cabinet sealing socket 6, tooth-type clip 7, environmental cabinet bearing 8, load bar 9.
Embodiment
The material test apparatus of the hydrogen gas environment of the fast-open type controllable temperature in the present embodiment, comprises environment casing 2.Environment casing 2, in inverted tubbiness, only establishes openend in bottom; Environmental cabinet sealing socket 6 is relatively provided with this openend; The upper surface of environmental cabinet sealing socket 6 has boss structure, and the matching form of this boss structure and environment casing 2 openend closes the sealing to realize environment casing 2.The bottom of environmental cabinet sealing socket 6 is provided with the environmental cabinet bearing 8 of annular, is achieved a fixed connection by screw.The center of environmental cabinet sealing socket 6 arranges the through hole run through, and load bar 9 stretches to the inside of environment casing 2 by through hole; The outer setting temperature control chuck 3 of environment casing 2, is achieved a fixed connection by pin 1; The turnover pipeline of the external heating agent of temperature control chuck 3 or refrigerant, and realize sealing by temperature control chuck seal 4.
The openend of environment casing 2 and the outer rim of environmental cabinet sealing socket 6 all have the engaging tooth of the equi-spaced apart layout horizontally outward extended; This device also comprises the tooth-type clip 7 of a ring-type, is provided with the engaging tooth that equi-spaced apart is arranged inside it, and cooperatively interacts with the engaging tooth of the outer rim of aforesaid environmental casing 2 openend and environmental cabinet sealing socket 6, realizes engagement clamping.Each engaging tooth all adopts U-type groove round-corner transition structure at its tooth root place.
The using method of this device:
During installation: the upper limb inside the tooth-type clip 7 in the present embodiment and lower edge all have the structure that level extends internally, wherein, upper limb is engaging tooth, the lower edge that equi-spaced apart is arranged is annular bayonet socket, and spacing is then equal with the thickness sum of the openend of environment casing 2 and the outer rim of environmental cabinet sealing socket 6.By the annular bayonet socket side of tooth-type clip 7 under be placed on environmental cabinet bearing 8.Regulating tooth-type clip 7 position by rotating, making environmental cabinet sealing socket 6 be placed on environmental cabinet bearing 8 by the backlash of tooth-type clip 7, adjustment is fixed on environmental cabinet bearing 8 with screw behind environmental cabinet sealing socket 6 position.During installation environment casing 2, rotate and regulate tooth-type clip 7, environment casing 2 is vertically declined by the backlash of tooth-type clip 7 and is placed on environmental cabinet sealing socket 6, and realize overlapping completely of engaging tooth with environmental cabinet sealing socket 6.Now, rotate tooth-type clip 7 and its engaging tooth is coincided with the engaging tooth of environment casing 2, environmental cabinet sealing socket 6, jointly realize Quick fastening by annular bayonet socket and engaging tooth and touch conjunction.
During dismounting: rotate tooth-type clip 7 and its engaging tooth is staggered completely with the engaging tooth of environment casing 2, environmental cabinet sealing socket 6, vertical rise environment casing 2, realizes quick-detachment.
Temperature control chuck 3 is fixing on environment casing 2 by pin 1, is sealed it by temperature control chuck seal 4.Pass into the heating agent in temperature control chuck 3 or refrigerant, realize the heat interchange with environmental cabinet inner high voltage gas by the conductive force of environment casing 2, thus the temperature of the case mesohigh gas that controls environment.In process of the test, load bar 9 transmit testing machine control load or the sample loading section be displaced in environmental cabinet test.Testing machine and sample loading section structure can refer to existing testing machine and loading structure.
The above, it is only a case study on implementation of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with better case study on implementation, but and be not used to limit the utility model, any those skilled in the art, are not departing within the scope of technical solutions of the utility model, make some change or amendment and become the equivalent case study on implementation of equivalent variations when the structure and technology contents that can utilize above-mentioned announcement.
Such as, the utility model quick-opening structure is not limited to the structure of diagram tooth-type clip 7, also can take following manner:
(1) lower edge is the engaging tooth that equi-spaced apart is arranged, upper limb is annular bayonet socket.
In this case, need first by the engaging tooth complete matching of environment casing 2, environmental cabinet sealing socket 6 during installation, rotate tooth-type clip 7 and make the engaging tooth of its lower edge be placed on environmental cabinet bearing 8 through the backlash of environment casing 2, environmental cabinet sealing socket 6; Then, then rotate that tooth-type clip 7 makes its engaging tooth and environment casing 2, the engaging tooth of environmental cabinet sealing socket 6 coincides, jointly realize Quick fastening by annular bayonet socket and engaging tooth and touch and close.
(3) upper limb and lower edge are the engaging tooth that equi-spaced apart is arranged, and upper limb is consistent with the engaging tooth position in vertical direction of lower edge.
In this case installation is just more flexible, adopts aforementioned two kinds of mounting meanss.
Again such as, the medium that the utility model does not limit in casing is high pressure hydrogen, is equally applicable to the endurancing of material under the environment such as hydrogen sulfide gas, carbon dioxide, high-pressure natural gas, high pressure hydrogen and rock gas mixed gas, high pressure nitrogen, high-pressure helium, high pressure argon gas.
But every content not departing from technical solutions of the utility model, any simple modification done above case study on implementation according to technical spirit of the present utility model, equivalent variations and modification, all still belong within the scope of technical solutions of the utility model.
Claims (6)
1. a material test apparatus for the hydrogen gas environment of fast-open type controllable temperature, comprises environment casing; It is characterized in that, described environment casing is inverted tubbiness, only establishes openend in bottom; Environmental cabinet sealing socket is relatively provided with this openend; The center of environmental cabinet sealing socket arranges the through hole run through, and load bar stretches to environment box house by this through hole; The openend of environment casing and the outer rim of environmental cabinet sealing socket all have the engaging tooth of the equi-spaced apart layout horizontally outward extended; This device also comprises the tooth-type clip of a ring-type, is provided with the engaging tooth that equi-spaced apart is arranged inside it, and cooperatively interacts with the engaging tooth of the outer rim of aforesaid environment casing openend and environmental cabinet sealing socket, realizes engagement clamping.
2. device according to claim 1, is characterized in that, the bottom of described environmental cabinet sealing socket is provided with the environmental cabinet bearing of annular, is achieved a fixed connection by screw.
3. device according to claim 1, is characterized in that, the upper surface of described environmental cabinet sealing socket has boss structure, and the matching form of this boss structure and environment casing openend closes the sealing to realize environment casing.
4. device according to claim 1, is characterized in that, temperature control chuck is established in the outside of described environment casing, is achieved a fixed connection by pin; The turnover pipeline of the external heating agent of temperature control chuck or refrigerant, and realize sealing by temperature control chuck seal.
5. according to the device described in Claims 1-4 any one, it is characterized in that, described engaging tooth all adopts U-type groove round-corner transition structure at its tooth root place.
6. according to the device described in Claims 1-4 any one, it is characterized in that, upper limb inside described tooth-type clip and lower edge all have the structure that level extends internally, and the thickness sum of the outer rim of the spacing of this upper limb and lower edge and the openend of environment casing and environmental cabinet sealing socket is equal; The version of this upper limb and lower edge is following any one:
(1) upper limb is the engaging tooth that equi-spaced apart is arranged, lower edge is annular bayonet socket; Or
(2) lower edge is the engaging tooth that equi-spaced apart is arranged, upper limb is annular bayonet socket; Or
(3) upper limb and lower edge are the engaging tooth that equi-spaced apart is arranged, and upper limb is consistent with the engaging tooth position in vertical direction of lower edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753372.7U CN204228529U (en) | 2014-12-03 | 2014-12-03 | The material test apparatus of the hydrogen gas environment of fast-open type controllable temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753372.7U CN204228529U (en) | 2014-12-03 | 2014-12-03 | The material test apparatus of the hydrogen gas environment of fast-open type controllable temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204228529U true CN204228529U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420753372.7U Expired - Fee Related CN204228529U (en) | 2014-12-03 | 2014-12-03 | The material test apparatus of the hydrogen gas environment of fast-open type controllable temperature |
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| CN (1) | CN204228529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502199A (en) * | 2014-12-03 | 2015-04-08 | 浙江大学 | Quick-open type material test device capable of providing temperature-controllable high-pressure hydrogen atmosphere |
-
2014
- 2014-12-03 CN CN201420753372.7U patent/CN204228529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502199A (en) * | 2014-12-03 | 2015-04-08 | 浙江大学 | Quick-open type material test device capable of providing temperature-controllable high-pressure hydrogen atmosphere |
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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: 20150325 Termination date: 20151203 |
|
| EXPY | Termination of patent right or utility model |