CN203455145U - Sealing device for air leakage rate test of wind tunnel - Google Patents
Sealing device for air leakage rate test of wind tunnel Download PDFInfo
- Publication number
- CN203455145U CN203455145U CN201320533096.9U CN201320533096U CN203455145U CN 203455145 U CN203455145 U CN 203455145U CN 201320533096 U CN201320533096 U CN 201320533096U CN 203455145 U CN203455145 U CN 203455145U
- Authority
- CN
- China
- Prior art keywords
- substrate
- hole
- packoff
- joint pin
- wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a sealing device for an air leakage quantity test of a wind tunnel. The sealing device comprises a substrate, a connecting cylinder, and a static pressure tapping apparatus, wherein the substrate is provided with a pressurization hole, a pressure tapping hole and a bolt hole matching a flange of the wind tunnel. At the same time, a sealing gasket is disposed on the edge of the substrate. The connecting cylinder is disposed on the substrate, and the axis of the connecting cylinder coincides with the axis of the pressurization hole. The static pressure tapping apparatus is disposed on the pressure tapping hole. During the use of the sealing device for the air leakage rate test of the wind tunnel, the substrate of the sealing device is fixed on to the flange of the wind tunnel by using the bolt hole and the sealing gasket is tightly pressed, and then the connecting cylinder and the static pressure tapping apparatus are connected with corresponding ports on an air leakage rate measuring apparatus. Compared with conventional devices, the sealing device for the air leakage rate test of the wind tunnel is much simpler in use method, thereby shortening the time duration of the test and improving work efficiency.
Description
Technical field
The utility model relates to air-flow measurement equipment technical field, more particularly, relates to a kind of packoff for the test of wind-tunnel air leak rate of air curtain.
Background technology
The measurement mechanism of air mass flow, is commonly called as wind-tunnel, as shown in Figure 1, comprises inlet air plenum 01, exhaust air box 02 and spray nozzle device 03.In inlet air plenum 01, be provided with rectangular wind-tunnel mouth 011, the edge of wind-tunnel mouth 011 is flange, in order to be connected with miscellaneous equipment; In inlet air plenum 01, be also provided with flow mixing device 012.Inlet air plenum 01 is connected with the spray nozzle device 03 that is provided with nozzle 031 and pressure obtaning device 032, is provided with homogenizing plate 04 between the two.At the opposite side of spray nozzle device 03, with homogenizing plate 04 interval, connect exhaust air box 02 equally.In exhaust air box 02, be provided with blower fan 021.
Before the wind-tunnel of stating in the use, need to carry out air leak rate of air curtain test to it, be about to nozzle 031 sealing, again air leak rate of air curtain measurement mechanism is connected to wind-tunnel mouth 011, and suppress in wind-tunnel, adjust to after certain static pressure, the variation by pressure to be to obtain the inleakage of wind-tunnel, and then by calculating the air leak rate of air curtain of wind-tunnel.
Because air leak rate of air curtain measurement mechanism does not mate with the interface between wind-tunnel, conventionally need testing crew self-control packoff to connect two equipment.Existing seal body is a plank identical with wind-tunnel mouth 011 shape, on plank, offer fresh air inlet (diameter is generally 100 millimeters) and pressure port (diameter is generally 7 millimeters), for being connected with corresponding port on air leak rate of air curtain measurement mechanism respectively; Meanwhile, the surrounding at plank is provided with connecting hole.In use, with bolt, packoff is fixed on wind-tunnel mouth 011, and with glass cement sealing gap between the two.Curing time (for example, the acid glass cement of 12 millimeters of thickness needs just can solidify for 3-4 days) that need to be longer due to glass cement, makes to be tested and will be expended a large amount of working times by above-mentioned packoff, affects work efficiency.
By the above, how a kind of quick packoff for air leak rate of air curtain test is provided, shorten the required time of test, increase work efficiency, become the technical matters that those skilled in the art need solution badly.
Utility model content
In view of this, the utility model is provided for the packoff of wind-tunnel air leak rate of air curtain test, to realize, shortens required time of test, the object of increasing work efficiency.
For achieving the above object, the utility model provides following technical scheme:
A packoff for the test of wind-tunnel air leak rate of air curtain, is characterized in that, comprising:
Substrate, the bolt hole that is provided with pressurization hole, pressure port on substrate and matches with the flange of wind-tunnel, the edge of substrate is provided with sealing gasket;
Be arranged on substrate, and axis and the connecting cylinder that overlaps of pressurization axially bored line;
Be arranged on the static press device of getting on pressure port.
Preferably, in above-mentioned packoff, get static press device and comprise fixed base plate, joint pin, fixedly pressure threeway, connecting hose and activity pressure threeway;
The center of fixed base plate is provided with through hole;
Joint pin is fixedly installed on fixed base plate, and overlaps with through-bore axis, is provided with the internal thread hole being connected with through hole on joint pin;
Fixedly pressure threeway is connected with joint pin by internal thread hole;
Activity pressure threeway is connected with fixing pressure threeway by two connecting hoses.
Preferably, in above-mentioned packoff, the diameter of fixed base plate is 40 millimeters.
Preferably, in above-mentioned packoff, the diameter of joint pin is 15 millimeters.
Preferably, in above-mentioned packoff, the outside surface of joint pin is provided with screw thread.
Preferably, in above-mentioned packoff, pressurization bore dia is 100 millimeters.
Preferably, in above-mentioned packoff, the diameter of pressure port is 7 millimeters.
The utility model provides a kind of packoff, and the inleakage test for wind-tunnel, comprises substrate, connecting cylinder and get static press device.Wherein, on substrate, be provided with pressurization hole, pressure port and with the bolt hole that the flange of wind-tunnel matches, meanwhile, on the edge of substrate, be provided with sealing gasket.Connecting cylinder be arranged on substrate and its axis with pressurization hole dead in line.Getting static press device is arranged on pressure port.
When using packoff provided by the utility model, first utilize bolt hole the substrate of packoff to be fixed on the flange of wind-tunnel, press seal pad; Then by connecting cylinder, get static press device and be connected with corresponding port on air leak rate of air curtain measurement mechanism.
Compare with existing apparatus, the using method of packoff provided by the utility model is simpler, thereby shortened, tests the required time, has improved work efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of wind-tunnel;
The structural representation of the packoff that Fig. 2 provides for the utility model embodiment;
The packoff that Fig. 3 provides for the utility model embodiment and the connection diagram of wind-tunnel.
In above Fig. 1-3:
Substrate 1, connecting cylinder 2, get static press device 3, fixedly pressure threeway 31, connecting hose 32 and activity pressure threeway 33.
Embodiment
The utility model embodiment discloses a kind of packoff for the test of wind-tunnel air leak rate of air curtain, to realize, shortens required time of test, the object of increasing work efficiency.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2, the packoff that the utility model embodiment provides comprises substrate 1, connecting cylinder 2 and gets static press device 3.
On substrate 1, be provided with pressurization hole, pressure port and bolt hole.The size of a plurality of bolts hole and position are identical with size and the position of the bolt hole of wind-tunnel upper flange.The edge of substrate 1 is provided with sealing gasket.
Connecting cylinder 2 is arranged on substrate 1, the dead in line in its axis and pressurization hole.
Getting static press device 3 is arranged on pressure port.
When the packoff that uses the present embodiment to provide, first, utilize bolt hole the substrate of packoff 1 to be fixed on the flange of wind-tunnel, press seal pad; Then, as shown in Figure 3, by connecting cylinder 2, get static press device 3 and be connected with corresponding port on air leak rate of air curtain measurement mechanism respectively.
Compare with existing apparatus, the using method of packoff provided by the utility model is simpler, thereby shortened, tests the required time, has improved work efficiency.
Concrete, in the packoff providing at above-described embodiment, get static press device 3 and comprise fixed base plate, joint pin, fixedly pressure threeway 31, connecting hose 32 and activity pressure threeway 33.
As shown in Figures 2 and 3, the center of fixed base plate is provided with through hole, and this through hole is connected with the endoporus on joint pin.Joint pin is fixedly installed on fixed base plate, in its endoporus, is provided with internal thread, is internal thread hole.Fixedly pressure threeway is connected with joint pin by internal thread hole.Activity pressure three general rules are connected with fixing pressure threeway 31 by connecting hose 32.
When by getting static press device and be installed on packoff in the present embodiment, first, the side that the assembly of fixed base plate and joint pin is provided with to sealing strip from substrate 1 is inserted into pressure port; Then, fixed base plate and substrate 1 is fixing; Again fixing pressure threeway 31 is screwed in the internal thread hole of joint pins; Finally, utilize connecting hose 32 to be connected and fixed pressure threeway 31 and activity pressure threeway 33.
Preferably, in the packoff providing at above-described embodiment, the diameter of fixed base plate is 40 millimeters; The diameter of joint pin is 15 millimeters, and its outside surface is provided with screw thread.Pressurization bore dia is 100 millimeters; The diameter of pressure port is 7 millimeters.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. for a packoff for wind-tunnel air leak rate of air curtain test, it is characterized in that, comprising:
Substrate, the bolt hole that is provided with pressurization hole, pressure port on described substrate and matches with the flange of described wind-tunnel, the edge of described substrate is provided with sealing gasket;
Be arranged on described substrate, and the connecting cylinder that overlaps with described pressurization axially bored line of axis;
Be arranged on the static press device of getting on described pressure port.
2. packoff according to claim 1, is characterized in that, described in get static press device and comprise fixed base plate, joint pin, fixedly pressure threeway, connecting hose and activity pressure threeway;
The center of described fixed base plate is provided with through hole;
Described joint pin is fixedly installed on described fixed base plate, and overlaps with described through-bore axis, is provided with the internal thread hole being connected with described through hole on described joint pin;
Described fixedly pressure threeway is connected with described joint pin by described internal thread hole;
Described activity pressure threeway is connected with described fixedly pressure threeway by two described connecting hoses.
3. packoff according to claim 2, is characterized in that, the diameter of described fixed base plate is 40 millimeters.
4. packoff according to claim 3, is characterized in that, the diameter of described joint pin is 15 millimeters.
5. packoff according to claim 4, is characterized in that, the outside surface of described joint pin is provided with screw thread.
6. packoff according to claim 1, is characterized in that, described pressurization bore dia is 100 millimeters.
7. packoff according to claim 1, is characterized in that, the diameter of described pressure port is 7 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533096.9U CN203455145U (en) | 2013-08-29 | 2013-08-29 | Sealing device for air leakage rate test of wind tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533096.9U CN203455145U (en) | 2013-08-29 | 2013-08-29 | Sealing device for air leakage rate test of wind tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455145U true CN203455145U (en) | 2014-02-26 |
Family
ID=50135011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320533096.9U Expired - Fee Related CN203455145U (en) | 2013-08-29 | 2013-08-29 | Sealing device for air leakage rate test of wind tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203455145U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181268A (en) * | 2015-05-27 | 2015-12-23 | 天津大学建筑设计研究院 | Method for measuring air leakage rate of building atrium external window |
| CN112945340A (en) * | 2021-02-05 | 2021-06-11 | 上海建工四建集团有限公司 | Connecting piece for air pipe air leakage test and application method thereof |
-
2013
- 2013-08-29 CN CN201320533096.9U patent/CN203455145U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181268A (en) * | 2015-05-27 | 2015-12-23 | 天津大学建筑设计研究院 | Method for measuring air leakage rate of building atrium external window |
| CN105181268B (en) * | 2015-05-27 | 2017-09-12 | 天津大学建筑设计研究院 | The assay method of Architectural Atrium exterior window inleakage |
| CN112945340A (en) * | 2021-02-05 | 2021-06-11 | 上海建工四建集团有限公司 | Connecting piece for air pipe air leakage test and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206177547U (en) | General type pipe vibration anchor clamps | |
| CN104075854A (en) | Shield segment joint anti-penetrability performance test device | |
| CN203455145U (en) | Sealing device for air leakage rate test of wind tunnel | |
| CN206786225U (en) | Pipe mouth sealing device and pipeline opening sealing system | |
| CN103645018A (en) | Fillet weld inflation test method | |
| CN208588506U (en) | A kind of sealed nozzle detection device | |
| CN209148432U (en) | A kind of cold spraying metal coating bond strength test device | |
| CN206960335U (en) | A kind of novel seal gum fatigue strength tester | |
| CN206450401U (en) | A kind of rolling angle measurement device of non-axis symmetry model in wind tunnel | |
| CN207261768U (en) | Nuclear power station valve tightness test connecting device | |
| CN207335986U (en) | A kind of equipment of more bellowss airtight test at the same time | |
| CN204474701U (en) | A kind of blast furnace water-cooling but wall pressure testing device | |
| CN203604637U (en) | End face sealing device for hydrostatic tests of steel pipes | |
| CN207705349U (en) | A kind of device for detecting graphite bi-polar plate tightness | |
| CN207882080U (en) | A kind of device for the nuclear power plant voltage stabilizer pressure release case water pressure test | |
| WO2020015482A2 (en) | High-pressure loading and unloading hose strength testing apparatus | |
| CN202274980U (en) | High-efficiency clamping device for flow tests in spray rods | |
| CN207050914U (en) | A kind of air pressure calibrating installation of pressure acquisition devices | |
| CN212807465U (en) | Airtight inspection anchor clamps in airspeed head static pressure hole | |
| CN207423486U (en) | A kind of total temperature probe measures connects bearing | |
| CN112903205A (en) | Civil air defense door sealing performance detection device | |
| CN111006823A (en) | Self-sealing test flange and sealing monitoring method | |
| CN209943755U (en) | Flange connecting device | |
| CN219348180U (en) | Engine gas circuit pressure distribution simulation platform | |
| CN204064815U (en) | Fire proof motor ventilation duct water test unit |
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: 20140226 Termination date: 20150829 |
|
| EXPY | Termination of patent right or utility model |