CN101566545B - Caliber expansion device of air gun - Google Patents
Caliber expansion device of air gun Download PDFInfo
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- CN101566545B CN101566545B CN2009100432343A CN200910043234A CN101566545B CN 101566545 B CN101566545 B CN 101566545B CN 2009100432343 A CN2009100432343 A CN 2009100432343A CN 200910043234 A CN200910043234 A CN 200910043234A CN 101566545 B CN101566545 B CN 101566545B
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- transmitting tube
- extension transmitting
- diameter
- extension
- air gun
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Abstract
The invention provides a caliber expansion device of an air gun, which solves the problem that the existing air gun has fixed caliber size and can not drive large-diameter fly piece sample. The device consists of an extension transmitting tube and an adaptive ring. The extension transmitting tube is a round tube with the inner diameter being larger than the outer diameter of the transmitting tubeof the air gun; and the adaptive ring is fixed at one end of the extension transmitting tube. The transmitting tube of the air gun passes through the adaptive ring and then is inserted into the exten sion transmitting tube. The used flying piece sample is a round piece which has the diameter equal to the inner diameter of the extension transmitting tube and can be arranged in the extension transmitting tube. The device has simple structure, convenient use and operation and low using cost; and the main components thereof can be repeatedly used.
Description
Technical field
The present invention relates to the gas big gun, particularly a kind of caliber expansion device of air gun.
Background technology
The gas big gun is a kind of important dynamic load experimental facilities, is bringing into play key effect in the material dynamic performance test experiments.Gas big gun commonly used is made up of plenum chamber, power valve and target chamber.During experiment, test material is processed to disk shape sample (being also referred to as the film flying sample usually), and the drive of high-pressure gas in the plenum chamber is placed on the sample in the power valve, makes the velocity range that sample accelerates to be needed, and collides sample in target chamber.Be subjected to gas gun muzzle footpath, i.e. the restriction of power valve diameter, the diameter of sample must be less than the power valve diameter.And a lot of requirement of experiment can be launched diameter than the big a lot of sample in gas gun muzzle footpath, and in this case, the use of gas big gun is restricted, and experiment also can't be carried out.If adopt certain measure or device expansion gas gun muzzle footpath, the gas big gun will have wideer range of application.At present also not about how expanding the relevant report and the data in gas gun muzzle footpath.
Summary of the invention
The objective of the invention is to solve existing gas gun muzzle footpath fixed size, can't drive the problem of major diameter film flying sample, a kind of caliber expansion device of air gun is provided, expand the usable range of gas big gun.
Technical scheme of the present invention is: caliber expansion device of air gun is made up of extension transmitting tube and adaptive ring.Extension transmitting tube is the pipe of internal diameter greater than gas big gun power valve external diameter; Adaptive ring is fixed in an end of extension transmitting tube, and its external diameter is not less than the external diameter of extension transmitting tube.Gas big gun power valve passes adaptive ring and inserts extension transmitting tube, and the axis of two power valves overlaps, and gas big gun power valve contacts with the adaptive ring sealing, and adaptive ring seals with extension transmitting tube and contacts.The film flying sample that uses is that diameter is identical with the extension transmitting tube internal diameter and can place the interior disk of extension transmitting tube.
As an improvement of the present invention, the internal cavity of extension transmitting tube is a T type structure, and the one section round tube inside diameter that promptly leans on extension transmitting tube fixed adaptation annulus end into is less than another section.It is identical and can place disk in the extension transmitting tube than large diameter with extension transmitting tube that the film flying sample is a diameter.The film flying sample vertically places the extension transmitting tube internal diameter place that changes during use.
Further, the present invention also can comprise the lightweight plectane, and the lightweight plectane is the disk identical with the film flying specimen finish.During use, lightweight plectane and the overlapping bonding of film flying sample.
In addition, the present invention can comprise that also quantity is more than one block.During use, block is bonded on its inwall equably along the internal diameter circle distribution of extension transmitting tube, and is close to the film flying sample away from gas big gun power valve one side.
Beneficial effect of the present invention is: this device utilizes the combination of extension transmitting tube and these simple members of adaptive ring, has realized launching the gas big gun expansion of film flying specimen size; The verticality that the internal cavity T type structure of extension transmitting tube can guarantee to place the film flying sample realizes follow-up desirable plane impact; Increase lightweight plectane and block, guaranteed the ballistic stability and the acceleration effect of film flying sample.Simultaneously, this apparatus structure is simple, uses easy to operately, and critical piece is reusable, and use cost is low.
Description of drawings
Fig. 1 is the sectional structure synoptic diagram along the extension transmitting tube axis of embodiment one shown in the present;
Fig. 2 is the sectional structure synoptic diagram along the extension transmitting tube axis of embodiment two shown in the present;
Number in the figure is: 1. extension transmitting tube, 2. adaptive ring, 3. film flying sample, 4. gas big gun power valve, 5. rubber seal, 6. lightweight plectane, 7. block.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of embodiment one shown in the present.As shown in the figure, comprise extension transmitting tube 1, adaptive ring 2.Extension transmitting tube 1 is the pipe of internal diameter greater than gas big gun power valve 4 external diameters.Adaptive ring 2 is fixed in an end of extension transmitting tube 1, and its external diameter is identical with the external diameter of extension transmitting tube 1.Gas big gun power valve 4 passes adaptive ring 2 and inserts extension transmitting tube 1, and the axis of extension transmitting tube 1 and gas big gun power valve 4 overlaps.2 sealings contact gas big gun power valve 4 with adaptive ring.Adaptive ring 2 contacts with extension transmitting tube 1 sealing.Film flying sample 3 is processed to the disk shape, and diameter is identical with the internal diameter of extension transmitting tube 1.During use film flying sample 3 is vertically placed in the extension transmitting tube 1, promptly the plane of film flying sample 3 is vertical with the axis of extension transmitting tube 1.Gases at high pressure directly quicken film flying sample 3 by gas big gun power valve 4 backs in extension transmitting tube 1, make film flying sample 3 accelerate to needed speed.
Fig. 2 is the structural representation of embodiment two shown in the present.As shown in the figure, comprise extension transmitting tube 1, adaptive ring 2, rubber seal 5, lightweight plectane 6 and block 7.Extension transmitting tube 1 is the pipe of internal diameter greater than gas big gun power valve 4 external diameters, and internal cavity is a T type structure, and promptly one section internal diameter of close gas big gun power valve 4 ends of pipe is less than another section.The external diameter of adaptive ring 2 is identical with the external diameter of extension transmitting tube 1, is fixed in the less end of extension transmitting tube 1 internal diameter by screw, and both seal contact, and the contact position is lined with rubber seal 5.Gas big gun power valve 4 passes adaptive ring 2 and inserts extension transmitting tube 1, and the axis of extension transmitting tube 1 and gas big gun power valve 4 overlaps.Adaptive ring 2 is lined with rubber seal 5 with the contact position of gas big gun power valve 4.The internal diameter that the diameter of lightweight plectane 6 and film flying sample 3 and extension transmitting tube 1 are bigger is identical and can place in the extension transmitting tube 1.Lightweight plectane 6 can adopt light material to make, as low-density rigid foam or rubber.Block 7 is rectangular parallelepiped or cube fritter, can adopt organic glass to make.
With lightweight plectane 6 and film flying sample 3 overlapping bondings, they are close to extension transmitting tube 1 inner side step vertically place during use.7, four blocks 7 of four blocks of bonding evenly distribute along extension transmitting tube 1 internal diameter circumference on extension transmitting tube 1 inwall then, and near film flying sample 3.Gases at high pressure arrive extension transmitting tube 1 back by lightweight plectane 6 promotion film flying samples 3 from the air chamber of gas big gun by power valve 4, wash the fixedly block 7 of film flying sample 3 open, film flying sample 3 can be accelerated to the required speed of experiment.
The one side of lightweight plectane 6 is close to extension transmitting tube 1 inner side step, and this step can guarantee the verticality of the plane and extension transmitting tube 1 axis of film flying sample 3.Lightweight plectane 6 sticks on and can prevent on the film flying sample 3 that film flying sample 3 from overturning in accelerator, guarantees its flight attitude, thereby realizes plane impact.The block of pasting in extension transmitting tube 1 inwall symmetric position 7 is near film flying sample 3, can prevent film flying vacuumize with gas injection process in be offset (being commonly called as the race bullet), to guarantee film flying enough effective acceleration distances are arranged.In addition, can be at the peripheral side of film flying sample 3 and lightweight plectane 6, promptly they smear lubricant with the face that extension transmitting tube 1 contacts, and make film flying sample 3 and the lightweight plectane 6 can free movement in extension transmitting tube 1, improve the ballistic stability of film flying sample 3.
Claims (6)
1. a caliber expansion device of air gun is made up of extension transmitting tube (1) and adaptive ring (2); Extension transmitting tube (1) is the pipe of internal diameter greater than gas big gun power valve (4) external diameter, and the internal cavity of extension transmitting tube (1) is a T type structure, and the one section round tube inside diameter that promptly leans on the end of extension transmitting tube (1) fixed adaptation annulus (2) into is less than another section; Adaptive ring (2) is fixed in an end of extension transmitting tube (1), and its external diameter is not less than the external diameter of extension transmitting tube (1); Gas big gun power valve (4) passes adaptive ring (2) and inserts extension transmitting tube (1), and the axis of two power valves overlaps, and gas big gun power valve (4) contacts with adaptive ring (2) sealing; Adaptive ring (2) contacts with extension transmitting tube (1) sealing; It is identical and can place disk in the extension transmitting tube (1) than large diameter with extension transmitting tube (1) that film flying sample (3) is a diameter; Film flying sample (3) vertically places extension transmitting tube (1) the internal diameter place that changes during use.
2. caliber expansion device of air gun according to claim 1 is characterized in that, also comprises the lightweight plectane (6) identical with film flying sample (3) diameter; During use, lightweight plectane (6) and the overlapping bonding of film flying sample (3).
3. caliber expansion device of air gun according to claim 1 is characterized in that, comprises that also quantity is more than one block; During use, block is bonded on its inwall equably along the internal diameter circle distribution of extension transmitting tube (1), and is close to film flying sample (3) away from gas big gun power valve (4) simultaneously.
4. caliber expansion device of air gun according to claim 2 is characterized in that, comprises that also quantity is more than one block; During use, block is bonded on its inwall equably along the internal diameter circle distribution of extension transmitting tube (1), and is close to film flying sample (3) away from gas big gun power valve (4) simultaneously.
5. according to claim 2 or 4 described caliber expansion device of air gun, it is characterized in that lightweight plectane (6) adopts low-density rigid foam or rubber to make.
6. according to claim 3 or 4 described caliber expansion device of air gun, it is characterized in that block (7) is the rectangular parallelepiped fritter, adopt organic glass to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100432343A CN101566545B (en) | 2009-04-28 | 2009-04-28 | Caliber expansion device of air gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100432343A CN101566545B (en) | 2009-04-28 | 2009-04-28 | Caliber expansion device of air gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101566545A CN101566545A (en) | 2009-10-28 |
| CN101566545B true CN101566545B (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100432343A Expired - Fee Related CN101566545B (en) | 2009-04-28 | 2009-04-28 | Caliber expansion device of air gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101566545B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020061B (en) * | 2014-04-30 | 2016-09-28 | 福建江夏学院 | Gas Gun test MATERIALS ' DYNAMIC means for influencing and method of testing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334454A (en) * | 2000-07-19 | 2002-02-06 | 郑坚 | Experimental equipment for small-bore gas gun |
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2009
- 2009-04-28 CN CN2009100432343A patent/CN101566545B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334454A (en) * | 2000-07-19 | 2002-02-06 | 郑坚 | Experimental equipment for small-bore gas gun |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-91888A 1995.04.07 |
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| Publication number | Publication date |
|---|---|
| CN101566545A (en) | 2009-10-28 |
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Granted publication date: 20111109 Termination date: 20120428 |