CN204085836U - A kind of Gas Gun formula shock response spectrum testing machine - Google Patents
A kind of Gas Gun formula shock response spectrum testing machine Download PDFInfo
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- CN204085836U CN204085836U CN201420603690.5U CN201420603690U CN204085836U CN 204085836 U CN204085836 U CN 204085836U CN 201420603690 U CN201420603690 U CN 201420603690U CN 204085836 U CN204085836 U CN 204085836U
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Abstract
The utility model discloses a kind of Gas Gun formula vertical impact response spectra testing machine, comprise impact supporting base, shock plate, base, gas-holder and impact tube, described impact supporting base and base are fixedly arranged on ground, described shock plate is fixedly arranged on described impact supporting base, described gas-holder is fixedly arranged on described base, its inside is filled and is provided with gases at high pressure, and be provided with a piston valve, described impact tube is vertically positioned at the below of described shock plate and is connected storehouse with the gas outlet of described gas-holder by one and connects, its inside is provided with a bullet, described bullet is when described piston valve is opened, under the promotion of described gases at high pressure, obtain certain speed and upwards impact described shock plate.The utility model fast, stably can be simulated high-magnitude and be impacted, and the speeds control of the repeatability of its table top, homogeneity and bullet is all relatively better, and installs, to safeguard and easy to use.
Description
Technical field
The utility model relates to a kind of shock environment analogue means, particularly relates to a kind of Gas Gun formula vertical impact response spectra testing machine, belongs to mechanical environment technical field.
Background technology
The blast impulse that spacecraft stands is mainly from a kind of dynamics environment that spacecraft produces during various Fire load work.Spacecraft can use a large amount of Fire load usually, and the pyroshock environment that these Fire load produce can make spacecraft structure produce HI high impact, broadband, low velocity, duration short transient response, and its acceleration amplitude can reach 3 × 10
~ 3 × 10
g, primary frequency range is usually 1 × 10
~ 1 × 10
hz, the duration is generally no more than 20ms.In impact process, extraneous energy is delivered on spacecraft and parts thereof instantaneously, the unexpected change of displacement produced thus, speed and acceleration may cause damage and the fault of spacecraft structure and the parts such as instrument, instrument, thus causes spacecraft normally to work.
Require along with spacecraft type design and test the further raising of magnitude, shock environment becomes more and more harsher, cannot meet the pyroshock environment simulation requirement of its high-magnitude with the shaking table of routine or shock testing machine, thus a kind of high-magnitude shock simulation device urgently occurs.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide a kind of Gas Gun formula vertical impact response spectra testing machine, and this testing machine has fast, stablize, magnitude advantages of higher, achieves the requirement of high-magnitude impulse test.
To achieve these goals, technical solutions of the utility model are as follows:
A kind of Gas Gun formula vertical impact response spectra testing machine, comprise impact supporting base, shock plate, base, gas-holder and impact tube, described impact supporting base and base are fixedly arranged on ground, described shock plate is fixedly arranged on described impact supporting base, described gas-holder is fixedly arranged on described base, its inside is filled and is provided with gases at high pressure, and be provided with a piston valve, described impact tube is vertically positioned at the below of described shock plate and is connected storehouse with the gas outlet of described gas-holder by one and connects, its inside is provided with a bullet, described bullet is when described piston valve is opened, under the promotion of described gases at high pressure, obtain certain speed and upwards impact described shock plate.
One of preferably, described gas-holder is fixedly arranged on described base by two groups of bracket pressure rings, described gas-holder is split-type structural, it comprises the Part I and Part II that are bolted to connection, wherein, described Part II is connected with the described storehouse that is connected, and its internal welding is connected to the piston valve erecting frame being parallel to its xsect, and described piston valve is fixed on described piston valve erecting frame.
Further, described piston valve comprises valve body, piston rod, valve gap, cushion pad, spring and the seal for the gas outlet that seals described gas-holder, one end of described valve body is fixed on described piston valve erecting frame, the other end of described valve body is sealed by fixing described valve gap, described piston rod is located at described valve inner, the described cushion pad and one end is connected, its bar portion being positioned at the other end is connected with described seal mutually through described valve gap, meanwhile, described spring housing is located in the bar portion of described piston rod.
Further, described valve gap is provided with guide copper sleeve, the two ends of described guide copper sleeve are undertaken spacing by back-up ring, and the bar portion of described piston rod is connected with described seal mutually through described guide copper sleeve.
Further, described seal comprises bulb, ball cup, shrouding and seal head, described shrouding, ball cup and seal head three are fixedly connected sequentially by screw, one end of described bulb is connected by himself screw thread the bar portion of described piston rod, and its other end is limited in ball cup through shrouding.
One of preferably, described connection storehouse is fixed on described base by four supporting legs, and described connection storehouse is T-shaped three-port structure, its port one is fixedly connected with by flange with the gas outlet of described gas-holder, its port two is fixedly connected with by screw thread with described impact tube, and its port three is sealed by a plug.
One of preferably, the outer wall of the upper end of described impact tube offers waist type groove, the top end face of described impact tube is equiped with a cushion pad and is clamped by nut.
One of preferably, described impact supporting base builds by base plate, column, top board the frame structure be welded, and be fixed on described ground by foot bolt, and described shock plate is fixedly arranged on described top board by bolt.
One of preferably, described base is the rectangular frame structure by rectangle steel and Plate Welding, and its four angles, bottom place is equiped with a universal wheel respectively.
Compared with prior art, at least there is following advantage in the utility model:
1) the utility model realize high-magnitude shock environment and true pyroshock environment basically identical.
2) the utility model is safe and reliable, cost is low, and the shock response spectrum repeatability of realization better.
3) the utility model is by regulating various parameter, as changed the pressure, projectile types etc. of gas-holder inner high voltage gas, can achieve the high-magnitude pyroshock environment simulation requirement of general spacecraft product.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model architectural feature and technical essential, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Fig. 1 is the structural representation of Gas Gun formula vertical impact response spectra testing machine in the utility model one preferred embodiment;
Fig. 2 is the cut-open view of gas-holder in the utility model one preferred embodiment;
Fig. 3 is the cut-open view of piston valve in the utility model one preferred embodiment.
Description of reference numerals: 1-sensor, 2-test specimen, 3-shock plate, 4-impacts supporting base, 5-impact tube, 6-bullet, 7-base, 9-gas-holder, 10-bracket pressure ring, 11-valve body, 12-connects storehouse, 13-plug, 14-supporting leg, 15-cushion pad, 16-piston, 17-spring, 18-valve gap, 19-shrouding, 20-seal head, 21-ball cup, 22-bulb, 23-copper sheathing.
Embodiment
Below in conjunction with the accompanying drawing in the present embodiment, carry out specifically, clearly and completely describing to the technical scheme in embodiment.
Shown in Fig. 1-2, a kind of Gas Gun formula vertical impact response spectra testing machine, comprise and impact supporting base 4, shock plate 3, base 7, gas-holder 9 and impact tube 5, impact supporting base 4 and base 7 are fixedly arranged on ground, shock plate 3 is fixedly arranged on and impacts on supporting base 4, gas-holder 9 is fixedly arranged on base 7, its inside is filled and is provided with gases at high pressure, and be provided with a piston valve, impact tube 5 is vertically positioned at the below of shock plate 3 and is connected storehouse 12 with the gas outlet of gas-holder 9 by one and connects, its inside is provided with a bullet 6, bullet 6 is when piston valve is opened, under the promotion of gases at high pressure, obtain certain speed and upwards impact shock plate 3, thus make shock plate 3 that the response of resonance generation regulation occur.
Shown in Figure 2, gas-holder 9 is flatly fixedly arranged on base 7 by two groups of bracket pressure rings 10, and gas-holder 9 is split-type structural, it comprises and is bolted to connection and carries out Part I and the Part II of butt-end packing, wherein, Part II be connected storehouse 12 and be connected, and its internal welding is connected to the piston valve erecting frame being parallel to its xsect, and piston valve is fixed on piston valve erecting frame.
Shown in Figure 3, piston valve comprises valve body 11, piston rod 16, valve gap 18, cushion pad 15, spring 17 and the seal for the gas outlet that seals gas-holder 9, one end of valve body 11 is fixed on piston valve erecting frame, the other end of valve body 11 is sealed by fixing valve gap 18, it is inner that valve body 11 is all located at by piston rod 16 and cushion pad 15, piston rod 16 is T-shaped, one end is connected cushion pad 15, its bar portion being positioned at the other end is connected with seal mutually through valve gap 18, simultaneously, spring 17 is sheathed in the bar portion of piston rod 16, spring 17 can provide initial standby pressure, seal is made to seal gas-holder 9 gas outlet under pressure.
Wherein, valve gap 18 is provided with guide copper sleeve 23, the two ends of guide copper sleeve 23 are undertaken spacing by back-up ring, and the bar portion of piston rod 16 is connected with seal mutually through guide copper sleeve 23.The seal comprises bulb 22, bulb 22 21, shrouding 19 and seal head 20, shrouding 19, bulb 22 21 and seal head 20 three are fixedly connected sequentially by screw, one end of bulb 22 is connected by himself screw thread the bar portion of piston rod 16, the head of its other end is limited in bulb 22 21 through shrouding 19, and bulb 22 assembly (bulb 22, bulb 22 21, shrouding 19) can prevent seal head 20 under impaction state, occurring the situation of eccentric stuck, seal failure.
Shown in Figure 2, connect storehouse 12 to be flatly fixed on base 7 by four supporting legs 14, and connection storehouse 12 is T-shaped three-port structure, its port one is fixedly connected with by flange with the gas outlet of gas-holder 9, its port two is fixedly connected with by screw thread with impact tube 5, and its port three is sealed by a plug 13.
Shown in Figure 1, the outer wall of the upper end (the concrete exit near impact tube 5) of impact tube 5 offers waist type groove, the top end face of impact tube 5 is equiped with a cushion pad 15 and is clamped by nut, and wherein, waist type groove can prevent after impact occurs because venting not in time secondary pulse occurs.
Shown in Figure 1, impacting supporting base 4 is build by base plate, column, top board the frame structure be welded, and be fixed on ground by foot bolt, shock plate 3 is fixedly arranged on top board by bolt, test specimen 2 is positioned on top board, in addition, shock plate 3 can also being arranged a sensor 1, whether being in place for detecting test specimen 2.Shown in Figure 2, base 7 is the rectangular frame structure by rectangle steel and Plate Welding, and its four angles, bottom place is equiped with a universal wheel respectively.
Workflow of the present utility model is as follows: the pressurized air first filling certain pressure in the valve body 11 of piston valve, now the seal head 20 of piston valve seals the gas outlet of gas-holder 9, then in gas-holder 9, gases at high pressure are filled with, when being greater than the gaseous tension in piston valve when the gaseous tension in gas-holder 9, piston rod 16 retreats the gas outlet departing from gas-holder 9 with dynamic seal, namely opening of piston valve is realized, gases at high pressure enter impact tube 5 by connecting storehouse 12, be located at bullet 6 in impact tube 5 under the promotion of gases at high pressure with high-speed impact shock plate 3 simultaneously, thus shock plate 3 is resonated, produce and be similar to the different response of complicated damped oscillation waveform magnitude, be processed into shock response spectrum.
Above-mentioned embodiment; be only and technical conceive of the present utility model and architectural feature are described; object is to allow the stakeholder being familiar with technique implement according to this; but above said content does not limit protection domain of the present utility model; every any equivalence done according to Spirit Essence of the present utility model changes or modifies, and all should fall within protection domain of the present utility model.
Claims (9)
1. a Gas Gun formula vertical impact response spectra testing machine, it is characterized in that, comprise impact supporting base, shock plate, base, gas-holder and impact tube, described impact supporting base and base are fixedly arranged on ground, described shock plate is fixedly arranged on described impact supporting base, described gas-holder is fixedly arranged on described base, its inside is filled and is provided with gases at high pressure, and be provided with a piston valve, described impact tube is vertically positioned at the below of described shock plate and is connected storehouse with the gas outlet of described gas-holder by one and connects, its inside is provided with a bullet, described bullet is when described piston valve is opened, under the promotion of described gases at high pressure, obtain certain speed and upwards impact described shock plate.
2. a kind of Gas Gun formula vertical impact response spectra testing machine according to claim 1, it is characterized in that, described gas-holder is fixedly arranged on described base by two groups of bracket pressure rings, described gas-holder is split-type structural, it comprises the Part I and Part II that are bolted to connection, and wherein, described Part II is connected with the described storehouse that is connected, and its internal welding is connected to the piston valve erecting frame being parallel to its xsect, described piston valve is fixed on described piston valve erecting frame.
3. a kind of Gas Gun formula vertical impact response spectra testing machine according to claim 2, it is characterized in that, described piston valve comprises valve body, piston rod, valve gap, cushion pad, spring and the seal for the gas outlet that seals described gas-holder, one end of described valve body is fixed on described piston valve erecting frame, the other end of described valve body is sealed by fixing described valve gap, described piston rod is located at described valve inner, the described cushion pad and one end is connected, its bar portion being positioned at the other end is connected with described seal mutually through described valve gap, simultaneously, described spring housing is located in the bar portion of described piston rod.
4. a kind of Gas Gun formula vertical impact response spectra testing machine according to claim 3, it is characterized in that, described valve gap is provided with guide copper sleeve, and the two ends of described guide copper sleeve are undertaken spacing by back-up ring, and the bar portion of described piston rod is connected with described seal mutually through described guide copper sleeve.
5. a kind of Gas Gun formula vertical impact response spectra testing machine according to claim 3, it is characterized in that, described seal comprises bulb, ball cup, shrouding and seal head, described shrouding, ball cup and seal head three are fixedly connected sequentially by screw, one end of described bulb is connected by himself screw thread the bar portion of described piston rod, and its other end is limited in ball cup through shrouding.
6. a kind of Gas Gun formula vertical impact response spectra testing machine according to claim 1, it is characterized in that, described connection storehouse is fixed on described base by four supporting legs, and described connection storehouse is T-shaped three-port structure, its port one is fixedly connected with by flange with the gas outlet of described gas-holder, its port two is fixedly connected with by screw thread with described impact tube, and its port three is sealed by a plug.
7. a kind of Gas Gun formula vertical impact response spectra testing machine according to claim 1, it is characterized in that, the outer wall of the upper end of described impact tube offers waist type groove, the top end face of described impact tube is equiped with a cushion pad and is clamped by nut.
8. a kind of Gas Gun formula vertical impact response spectra testing machine according to claim 1, it is characterized in that, described impact supporting base builds by base plate, column, top board the frame structure be welded, and being fixed on described ground by foot bolt, described shock plate is fixedly arranged on described top board by bolt.
9. a kind of Gas Gun formula vertical impact response spectra testing machine according to claim 1, it is characterized in that, described base is the rectangular frame structure by rectangle steel and Plate Welding, and its four angles, bottom place is equiped with a universal wheel respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603690.5U CN204085836U (en) | 2014-10-17 | 2014-10-17 | A kind of Gas Gun formula shock response spectrum testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603690.5U CN204085836U (en) | 2014-10-17 | 2014-10-17 | A kind of Gas Gun formula shock response spectrum testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204085836U true CN204085836U (en) | 2015-01-07 |
Family
ID=52178538
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|---|---|---|---|
| CN201420603690.5U Withdrawn - After Issue CN204085836U (en) | 2014-10-17 | 2014-10-17 | A kind of Gas Gun formula shock response spectrum testing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266814A (en) * | 2014-10-17 | 2015-01-07 | 苏州世力源科技有限公司 | Gas gun type impact response spectrum testing machine |
| CN105699033A (en) * | 2016-02-18 | 2016-06-22 | 东北大学 | High frequency air excitation test device for fiber-reinforced combined thin wall member |
| CN106670995A (en) * | 2016-12-30 | 2017-05-17 | 南京理工大学 | High-speed rotating shaft holder of turbojet engine |
| CN107063615A (en) * | 2017-02-17 | 2017-08-18 | 南京航空航天大学 | A kind of single gravel erosion combustion gas big gun experimental rig |
| CN108534976A (en) * | 2018-03-16 | 2018-09-14 | 西北工业大学 | A kind of shock response spectrum generator applied on vertical impact testing machine |
| CN109781513A (en) * | 2019-04-02 | 2019-05-21 | 山西省计量科学研究院 | A kind of high speed impact friction spark experimental rig |
| RU2781094C1 (en) * | 2022-02-21 | 2022-10-05 | Акционерное общество "Информационные спутниковые системы" имени академика М.Ф. Решетнёва" | Pyrotechnic impact device |
-
2014
- 2014-10-17 CN CN201420603690.5U patent/CN204085836U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266814A (en) * | 2014-10-17 | 2015-01-07 | 苏州世力源科技有限公司 | Gas gun type impact response spectrum testing machine |
| CN105699033A (en) * | 2016-02-18 | 2016-06-22 | 东北大学 | High frequency air excitation test device for fiber-reinforced combined thin wall member |
| CN105699033B (en) * | 2016-02-18 | 2018-08-28 | 东北大学 | The high frequency gas of fiber-reinforced composite thin-wall member swashs experimental rig |
| CN106670995A (en) * | 2016-12-30 | 2017-05-17 | 南京理工大学 | High-speed rotating shaft holder of turbojet engine |
| CN106670995B (en) * | 2016-12-30 | 2018-07-31 | 南京理工大学 | Turbojet engine high speed rotation shafting clamper |
| CN107063615A (en) * | 2017-02-17 | 2017-08-18 | 南京航空航天大学 | A kind of single gravel erosion combustion gas big gun experimental rig |
| CN107063615B (en) * | 2017-02-17 | 2019-03-01 | 南京航空航天大学 | A kind of single gravel erosion combustion gas big gun experimental rig |
| CN108534976A (en) * | 2018-03-16 | 2018-09-14 | 西北工业大学 | A kind of shock response spectrum generator applied on vertical impact testing machine |
| CN109781513A (en) * | 2019-04-02 | 2019-05-21 | 山西省计量科学研究院 | A kind of high speed impact friction spark experimental rig |
| CN109781513B (en) * | 2019-04-02 | 2024-04-26 | 山西省检验检测中心(山西省标准计量技术研究院) | High-speed impact friction spark test device |
| RU2781094C1 (en) * | 2022-02-21 | 2022-10-05 | Акционерное общество "Информационные спутниковые системы" имени академика М.Ф. Решетнёва" | Pyrotechnic impact device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160805 Address after: 215000 Jiangsu high tech Zone, Suzhou hi tech Zone Longshan Road, No. 2 Patentee after: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Address before: 215000 Jiangsu high tech Zone, Suzhou hi tech Zone Longshan Road, No. 2 Patentee before: Suzhou Siliyo S & T Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20161019 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |