CN204988677U - A model strutting arrangement for in high temperature flow field - Google Patents
A model strutting arrangement for in high temperature flow field Download PDFInfo
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- CN204988677U CN204988677U CN201520747612.7U CN201520747612U CN204988677U CN 204988677 U CN204988677 U CN 204988677U CN 201520747612 U CN201520747612 U CN 201520747612U CN 204988677 U CN204988677 U CN 204988677U
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- inner sleeve
- overcoat
- high temperature
- flow field
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Abstract
The utility model discloses a model strutting arrangement for in high temperature flow field, include: the switching component, it is the tubular structure, support the overcoat, it is the hollow tube column structure, support the overcoat through the welding mode with the switching structrual joint, support the endotheca, it is the hollow tube column structure, support the endotheca with the support overcoat is coaxial, and the cover is established in the support overcoat. The utility model has the advantages of the installation is simple, convenient to use, large length and radius ratio, high temperature has and under rigidity good, satisfy the needs of wind tunnel test.
Description
Technical field
The utility model relates to a kind of device for arc tunnel test, is specifically related to a kind of for the model supporting device in high temperature flow field.
Background technology
Plasma-arc well heater wind-tunnel is equipped, be called for short arc tunnel, a kind of Major Ground Test equipment being produced high temperature ultrasonic speed flow field by Laval nozzle, be mainly used in the heat insulation material of hypersonic aircraft and space return capsule and the ablation examination of thermal protection struc ture, for the design of heat-protection system provides ground test data.Because the stagnation temperature in arc tunnel flow field is up to several thousand Kelvins, on reaching kilosecond test in should ensure the stability of flow field parameter, ensure that the position of model in flow field does not change again, so it is the key whether tested successfully that the support of test model is installed.
The scale of the large power electric arc wind-tunnel of present advanced person is all very huge, the test section size of placing model can reach 4m × 4m × 5m, but due to the restriction of some test parameters and moulded dimension, can only the less jet pipe of preferred dimension, cause the model support distance nozzle exit being fixed on test section inside at more than 1.5m like this, and model needs the position being close to nozzle exit to test, so need to design a kind of Long range model bracing or strutting arrangement that can use in high temperature flow field, with satisfied test demand.
Utility model content
An object of the present utility model solves at least the problems referred to above or defect, and provide the advantage will illustrated at least below.
It is a kind of with the Long range model bracing or strutting arrangement applied in high temperature flow field that the utility model also has an object to be to provide, and installs simple, easy to use, to have under big L/D ratio, high temperature the features such as good rigidity, meet the needs of wind tunnel test.
The utility model also has an object to be by supporting the good steel-made support inner sleeve of intensity under overcoat and high temperature based on the high copper of coefficient of heat conductivity, at two ends erecting and welding ring, form the structure of double-ring, connect water inlet pipe and rising pipe again, form water under high pressure flow channel, whole device is cooled, be connected with wind-tunnel support by the switching component of water side simultaneously, and can before and after regulate distance between model and nozzle exit, the long stable distance of implementation model in high temperature flow field supports.
In order to realize, according to these objects of the present utility model and other advantage, providing a kind of for the model supporting device in high temperature flow field, comprising:
Switching component, it is tubular structure;
Support overcoat, it is hollow tubular structure, and described support overcoat is connected with described switching component by welding manner;
Support inner sleeve, it is hollow tubular structure, and described support inner sleeve is coaxial with described support overcoat, and is set in described support overcoat.
Preferably, wherein, also comprise: the first welding ring and the second welding ring, described first welding ring and the second welding ring are connected the two ends of described support inner sleeve and described support overcoat respectively, with the structure in the form of a ring making the described support inner sleeve after connecting and described support overcoat form water stream channel, described first welding ring is identical with the second welding ring structure, be the ring texture that steel is made, the external diameter of described first welding ring and the second welding ring equals the internal diameter of described support overcoat, and the internal diameter of described first welding ring and the second welding ring equals the external diameter supporting inner sleeve.
Preferably, wherein, also comprise: water inlet pipe and rising pipe, described water inlet pipe is arranged on the one end putting close described first welding ring outside described support, described rising pipe is arranged on the one end putting close described second welding ring outside described support, described water inlet pipe is communicated with water stream channel with described rising pipe, the axis of described water inlet pipe and described rising pipe at same plane, and perpendicular to the outside surface of described support overcoat.
Preferably, wherein, described support inner sleeve is provided with internal thread away from one end inside surface of described switching component, the external diameter of internal thread and the difference of internal diameter are not more than the wall thickness of described support inner sleeve, the length of described support inner sleeve equals the length of described support overcoat, and the difference of the internal diameter of described support overcoat and the external diameter of described support inner sleeve is not more than 10mm.
Preferably, wherein, put outside described support and be provided with inlet opening and apopore, described inlet opening connects described water inlet pipe, and described apopore connects described rising pipe.
Preferably, wherein, the L/D ratio of described support inner sleeve is 5 ~ 30, and described support inner sleeve is formed from steel, and the wall thickness of described support inner sleeve is not less than 4mm.
Preferably, wherein, the L/D ratio of described support overcoat is 5 ~ 30, and described support overcoat is made of copper, and the wall thickness of described support overcoat is not more than 2mm.
Preferably, wherein, described water inlet pipe is made of copper, and the thickness of described water inlet pipe is not more than 1.5mm, and described water inlet pipe is connected with described inlet opening by the mode of welding.
Preferably, wherein, described rising pipe is made of copper, and the thickness of described rising pipe is not more than 1.5mm, and described rising pipe is connected with described apopore by the mode of welding.
Preferably, wherein, the external diameter of described switching component is not more than the external diameter of described support overcoat and is not less than the internal diameter supporting inner sleeve, and described switching component is made up of steel.
The utility model at least comprises following beneficial effect:
1, by the heavy wall tubular structure of big L/D ratio, the long distance of implementation model supports, and has both met model installation requirement, and in turn ensure that the rigidity of device;
2, by supporting the structure of inner sleeve and support overcoat, forming water stream channel, adopting in test the whole device of water under high pressure flowing cooling, ensureing that long-time test is carried out smoothly;
3, by supporting the test model that is threaded of inner sleeve water inlet end, convenient and reliable, can the distance between model and jet pipe be finely tuned simultaneously;
4, install simple, easy to use, there is the advantage of good rigidity under big L/D ratio, high temperature, meet the needs of wind tunnel test.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation for the model supporting device in high temperature flow field in an embodiment of the present utility model;
Fig. 2 be in an embodiment of the present utility model in high temperature flow field model supporting device assembling after master depending on blocking sectional view;
Fig. 3 is the arc tunnel scheme of installation for the model supporting device in high temperature flow field in an embodiment of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
Fig. 1 shows according to a kind of way of realization of the present utility model, comprising:
Switching component 1, it is tubular structure;
Support overcoat 4, it is hollow tubular structure, and described support overcoat 4 is connected with described switching component 1 by welding manner;
Support inner sleeve 3, it is hollow tubular structure, and described support inner sleeve 3 is coaxial with described support overcoat 4, and is set in described support overcoat 4.
Wherein, by supporting overcoat 4 and the sheathed formation water stream channel of structure supporting inner sleeve 3, adopting in test the whole device of water under high pressure flowing cooling, ensureing that long-time test is carried out smoothly.
In another kind of example, also comprise: the first welding ring and the second welding ring, described first welding ring and the second welding ring are connected the two ends of described support inner sleeve and described support overcoat respectively, with the structure in the form of a ring making the described support inner sleeve after connecting and described support overcoat form water stream channel, described first welding ring is identical with the second welding ring structure, be the ring texture that steel is made, the external diameter of described first welding ring and the second welding ring equals the internal diameter of described support overcoat, and the internal diameter of described first welding ring and the second welding ring equals the external diameter supporting inner sleeve.
In another kind of example, also comprise: water inlet pipe and rising pipe, described water inlet pipe is arranged on the one end putting close described first welding ring outside described support, described rising pipe is arranged on the one end putting close described second welding ring outside described support, described water inlet pipe is communicated with water stream channel with described rising pipe, the axis of described water inlet pipe and described rising pipe at same plane, and perpendicular to the outside surface of described support overcoat.
In another kind of example, described support inner sleeve is provided with internal thread away from one end inside surface of described switching component, the external diameter of internal thread and the difference of internal diameter are not more than the wall thickness of described support inner sleeve, the length of described support inner sleeve equals the length of described support overcoat, and the difference of the internal diameter of described support overcoat and the external diameter of described support inner sleeve is not more than 10mm.Be threaded connection test model, convenient and reliable, can finely tune the distance between test model and wind tunnel nozzle by turning screw thread simultaneously.
In another kind of example, put outside described support and be provided with inlet opening and apopore, described inlet opening connects described water inlet pipe, and described apopore connects described rising pipe.
In another kind of example, the L/D ratio of described support inner sleeve is 5 ~ 30, and described support inner sleeve is formed from steel, and the wall thickness of described support inner sleeve is not less than 4mm.
In another kind of example, the L/D ratio of described support overcoat is 5 ~ 30, and described support overcoat is made of copper, and the wall thickness of described support overcoat is not more than 2mm.
In another kind of example, described water inlet pipe is made of copper, and the thickness of described water inlet pipe is not more than 1.5mm, and described water inlet pipe is connected with described inlet opening by the mode of welding.
In another kind of example, described rising pipe is made of copper, and the thickness of described rising pipe is not more than 1.5mm, and described rising pipe is connected with described apopore by the mode of welding.
In another kind of example, the external diameter of described switching component is not more than the external diameter of described support overcoat and is not less than the internal diameter supporting inner sleeve, and described switching component is made up of steel.
A kind of way of realization of the present utility model is:
For the model supporting device in high temperature flow field, comprise switching component 1, second welding ring 2, support inner sleeve 3, support overcoat 4, first welding ring 5, rising pipe 6, water inlet pipe 7; It is characterized in that: described supportive device comprises water inlet end and water side, the one end arranging switching component 1 is water side, and the other end is water inlet end; Support inner sleeve 3 and support overcoat 4 and be hollow tubular structure, support overcoat 4 coaxial package outside support inner sleeve 3, both are connected with the second welding ring 2 of water side by the first welding ring 5 of water inlet end, support inner sleeve 3 after connection and support overcoat 4 are in double-ring structure, and the outside surface supporting inner sleeve 3 does not contact with the inside surface supporting overcoat 4, forms water stream channel together with the second welding ring 2 and the first welding ring 5; Water inlet pipe 7 and rising pipe 6 is connected respectively with water side at the water inlet end supporting overcoat 4, the axis of two water pipes is in same plane, and perpendicular to support overcoat 4 outside surface, and circumferentially angle is 180 °, water inlet pipe 7 is communicated with water stream channel with rising pipe 6.The water inlet end inside surface of described support inner sleeve 3 arranges internal thread, and the difference of major diameter of thread and minor diameter of thread will be not more than the wall thickness supporting inner sleeve 3; The length of described support overcoat 4 equals the length supporting inner sleeve 3, and the internal diameter supporting overcoat 4 is greater than the external diameter supporting inner sleeve 3, and both are more or less the same in 10mm, supports overcoat 4 and arranges inlet opening and apopore respectively at water inlet end and water side.The second described welding ring 2 and the first welding ring 5 are ring texture, and are made up of steel; Two welding ring measure-alike, its external diameter equals the internal diameter supporting overcoat 4, and its internal diameter equals the external diameter supporting inner sleeve 3.The first described welding ring 5 and the second welding ring 2 are all arranged on the two ends supporting inner sleeve 3 and support space between overcoat 4 respectively by the mode of welding; The maximum hydraulic pressure that the water stream channel formed after welding bears is 3.0MPa.Described switching component 1 is tubular structure, and its external diameter is not more than the external diameter of support overcoat 4 and is not less than the internal diameter supporting inner sleeve 3; Described switching component 1 adopts steel to make, and is connected to the water side supporting overcoat 4 by the mode of welding.The length-diameter ratio of described support inner sleeve 3 and support overcoat 4 is between 5 ~ 30.Described support inner sleeve 3 is made for steel, and wall thickness is not less than 4mm; Described support overcoat 4 is copper one-tenth, and wall thickness is not more than 2mm.Described rising pipe 6 is copper with water inlet pipe 7 and becomes, and wall thickness is not more than 1.5mm, and the mode respectively by welding is connected to the apopore and inlet opening that support overcoat 4.
Fig. 2 shows the master after assembling for the model supporting device in high temperature flow field in an embodiment depending on blocking sectional view, as shown in the figure, the annular flow channel supported between inner sleeve 3 and support overcoat 4 is high-visible, and two ends are sealed by the first welding ring and the second welding ring.Whole bracing or strutting arrangement inside is hollow structure, weight reduction on the one hand, on the other hand for drawing the temperature thermocouple of test model.
Fig. 3 shows the arc tunnel scheme of installation for the model supporting device in high temperature flow field, as shown in the figure, device after installing comprises: model supporting device 300, high pressure cooling water inlet pipe 350 and high pressure cooling water outlet pipe 360, wind-tunnel support 310, gib screw 320, test model 330 and wind tunnel nozzle 340; When carrying out wind tunnel test, being inserted in wind-tunnel support 310 by the switching component of water side, and locking with gib screw 320, movable model supporting device 300 can regulate the position of test model 330 in flow field.High pressure is cooled water inlet pipe 7 and the rising pipe 6 of water inlet pipe 350 and high pressure cooling water outlet pipe 360 difference link model bracing or strutting arrangement 300, request for utilization can be met, by model supporting device of the present utility model, test model is connected with wind-tunnel support, the long stable distance that can realize in high temperature flow field supports.
Here the number of devices illustrated and treatment scale are used to simplify explanation of the present utility model.Application for the model supporting device in high temperature flow field of the present utility model, modifications and variations be will be readily apparent to persons skilled in the art.
As mentioned above, according to the utility model, owing to passing through based on the good steel-made support inner sleeve of intensity under the high copper support overcoat of coefficient of heat conductivity and high temperature, at two ends erecting and welding ring, form the structure of double-ring, connect water inlet pipe and rising pipe again, form water under high pressure flow channel, whole device is cooled, be connected with wind-tunnel support by the switching component of water side simultaneously, and can before and after regulate distance between model and nozzle exit, the long stable distance of implementation model in high temperature flow field supports.The utility model is installed simple, easy to use, to have under big L/D ratio, high temperature the features such as good rigidity, meets the needs of wind tunnel test.
Although embodiment of the present utility model is open as above, it is not restricted to listed in instructions and embodiment utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. for the model supporting device in high temperature flow field, it is characterized in that, comprising:
Switching component, it is tubular structure;
Support overcoat, it is hollow tubular structure, and described support overcoat is connected with described switching component by welding manner;
Support inner sleeve, it is hollow tubular structure, and described support inner sleeve is coaxial with described support overcoat, and is set in described support overcoat.
2. as claimed in claim 1 for the model supporting device in high temperature flow field, it is characterized in that, also comprise: the first welding ring and the second welding ring, described first welding ring and the second welding ring are connected the two ends of described support inner sleeve and described support overcoat respectively, with the structure in the form of a ring making the described support inner sleeve after connecting and described support overcoat form water stream channel, described first welding ring is identical with the second welding ring structure, be the ring texture that steel is made, the external diameter of described first welding ring and the second welding ring equals the internal diameter of described support overcoat, the internal diameter of described first welding ring and the second welding ring equals the external diameter supporting inner sleeve.
3. as claimed in claim 2 for the model supporting device in high temperature flow field, it is characterized in that, also comprise: water inlet pipe and rising pipe, described water inlet pipe is arranged on the one end putting close described first welding ring outside described support, described rising pipe is arranged on the one end putting close described second welding ring outside described support, described water inlet pipe is communicated with water stream channel with described rising pipe, the axis of described water inlet pipe and described rising pipe at same plane, and perpendicular to the outside surface of described support overcoat.
4. as claimed in claim 1 for the model supporting device in high temperature flow field, it is characterized in that, described support inner sleeve is provided with internal thread away from one end inside surface of described switching component, the external diameter of internal thread and the difference of internal diameter are not more than the wall thickness of described support inner sleeve, the length of described support inner sleeve equals the length of described support overcoat, and the difference of the internal diameter of described support overcoat and the external diameter of described support inner sleeve is not more than 10mm.
5. as claimed in claim 3 for the model supporting device in high temperature flow field, it is characterized in that, put outside described support and be provided with inlet opening and apopore, described inlet opening connects described water inlet pipe, and described apopore connects described rising pipe.
6. as claimed in claim 1 for the model supporting device in high temperature flow field, it is characterized in that, the L/D ratio of described support inner sleeve is 5 ~ 30, and described support inner sleeve is formed from steel, and the wall thickness of described support inner sleeve is not less than 4mm.
7. as claimed in claim 1 for the model supporting device in high temperature flow field, it is characterized in that, the L/D ratio of described support overcoat is 5 ~ 30, and described support overcoat is made of copper, and the wall thickness of described support overcoat is not more than 2mm.
8. as claimed in claim 5 for the model supporting device in high temperature flow field, it is characterized in that, described water inlet pipe is made of copper, and the thickness of described water inlet pipe is not more than 1.5mm, and described water inlet pipe is connected with described inlet opening by the mode of welding.
9. as claimed in claim 5 for the model supporting device in high temperature flow field, it is characterized in that, described rising pipe is made of copper, and the thickness of described rising pipe is not more than 1.5mm, and described rising pipe is connected with described apopore by the mode of welding.
10. as claimed in claim 1 for the model supporting device in high temperature flow field, it is characterized in that, the external diameter of described switching component is not more than the external diameter of described support overcoat and is not less than the internal diameter supporting inner sleeve, and described switching component is made up of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520747612.7U CN204988677U (en) | 2015-09-24 | 2015-09-24 | A model strutting arrangement for in high temperature flow field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520747612.7U CN204988677U (en) | 2015-09-24 | 2015-09-24 | A model strutting arrangement for in high temperature flow field |
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| CN204988677U true CN204988677U (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151997A (en) * | 2017-11-29 | 2018-06-12 | 中国航天空气动力技术研究院 | A kind of stationary point hot-fluid and the common measuring device of stagnation pressure and measuring method |
| CN114264493A (en) * | 2021-12-09 | 2022-04-01 | 中国航天空气动力技术研究院 | Multipurpose water-cooling stagnation point measuring probe for pneumatic heat ground simulation test |
-
2015
- 2015-09-24 CN CN201520747612.7U patent/CN204988677U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151997A (en) * | 2017-11-29 | 2018-06-12 | 中国航天空气动力技术研究院 | A kind of stationary point hot-fluid and the common measuring device of stagnation pressure and measuring method |
| CN108151997B (en) * | 2017-11-29 | 2019-08-09 | 中国航天空气动力技术研究院 | A kind of stationary point hot-fluid and the common measuring device and measuring method of stagnation pressure |
| CN114264493A (en) * | 2021-12-09 | 2022-04-01 | 中国航天空气动力技术研究院 | Multipurpose water-cooling stagnation point measuring probe for pneumatic heat ground simulation test |
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