CN209857756U - Novel two-stage light gas gun using high-pressure air as drive - Google Patents
Novel two-stage light gas gun using high-pressure air as drive Download PDFInfo
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- CN209857756U CN209857756U CN201920364872.4U CN201920364872U CN209857756U CN 209857756 U CN209857756 U CN 209857756U CN 201920364872 U CN201920364872 U CN 201920364872U CN 209857756 U CN209857756 U CN 209857756U
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Abstract
The utility model provides an use highly-compressed air as driven novel second grade light gas big gun belongs to light gas big gun experiment technical field, mainly by the support, one-level air chamber solenoid valve, trigger electromagnetism ball valve, second grade air chamber, big piston, little piston, launching tube, disappointing device etc. constitute. The utility model discloses a second grade air chamber power supply, second grade air chamber divide into big piston section and little piston section, and two inside piston rigidity linkages, initial state one-level air chamber and the little piston section of second grade air chamber fill highly-compressed air, through the storage and the release of solenoid valve control highly-compressed air to the solution is under the condition that can't provide inflammable and explosive gases such as initiating explosive device and hydrogen, adopts the hypervelocity flight of air compression loading realization object. The utility model discloses safe and reliable adopts compressed air's method to realize that the object hypervelocity flies, and the experiment is with low costs, and is easy and simple to handle safely.
Description
Technical Field
The utility model relates to a novel second grade light gas big gun with highly-compressed air as driven belongs to light gas big gun experiment technical field.
Background
The light gas gun loading technology is the most common means and method for researching the problem of collision of super-high-speed objects at the present time, and the light gas guns are various in types, and more light gas guns are secondary light gas guns and tertiary light gas guns. The common secondary light gas gun is composed of two high-pressure gas chambers with different inner diameters, inert gas is filled into the primary gas chamber or powder is used for driving to compress a piston, light gas such as hydrogen is filled into the secondary gas chamber, the piston in the primary gas chamber compresses the hydrogen in the secondary gas chamber, the hydrogen is burnt in a limited volume to generate a large amount of gas, the preset diaphragm is broken by huge pressure, and the high-pressure gas is exploded to act on objects with different materials and shapes, so that various high-speed and ultrahigh-speed collision problems are researched. The principle of the three-stage light gas cannon is as same as that of the two-stage light gas cannon.
For example, in a patent of CN106679500A for driving a second-stage light gas gun by hydrogen energy, hydrogen compression is used as driving in a second-stage gas chamber, requirements on internal sealing and surface materials of the second-stage gas chamber are strict, damage to a structure by hydrogen compression explosion is large, randomness of an experiment is large, and repeatability of the measurement experiment cannot be carried out. CN106895739A is based on three grades of light gas big gun of mixed detonation drive of oxyhydrogen, and its primary gas chamber fills hydrogen and regards as the drive with the mode of lighting a fire, and this kind of method security is relatively poor, and has proposed higher requirement to the structure of primary gas chamber, and three grades of gas chambers all adopt hydrogen drive, presents great challenge to the leakproofness and the security of structure. And the internal initiating explosive device and inflammable gas to the laboratory control and qualification requirement comparatively strict, and the great economic nature of experiment consumption is relatively poor, consequently the utility model provides an use high-pressure air driven novel second grade light gas big gun to highly-compressed air is as the drive, and experimental effect is good, and economic nature and security obtain fully ensured.
Disclosure of Invention
The utility model aims at providing an with high-pressure air driven novel second grade light gas big gun adopts the second grade air chamber power supply, and wherein the second grade air chamber divide into big piston section and little piston section, two piston rigidity linkages, and initial state one-level air chamber and the little piston section of second grade air chamber fill highly-compressed air, through the storage and the release of solenoid valve control highly-compressed air to the solution is under the condition that inflammable and explosive gas such as unable explosive article and hydrogen of providing, adopts the hypervelocity flight of air compression loading realization object. The utility model discloses safe and reliable adopts compressed air's method to realize that the object hypervelocity flies, and the experiment is with low costs, and the operation is safe simple.
The purpose of the utility model is realized like this: the device comprises a bracket, a first-stage air chamber, a second-stage air chamber large piston section, a second-stage air chamber small piston section, a transmitting tube and an air release device, wherein the first-stage air chamber, the second-stage air chamber large piston section, the second-stage air chamber small piston section, the transmitting tube and the air release device are respectively arranged on the bracket through a fixed support, a first-stage air chamber cover is arranged at the front end of the first-stage air chamber, a first-stage air chamber electromagnetic valve is arranged on the first-stage air chamber cover, a trigger electromagnetic ball valve is arranged between the first-stage air chamber and the second-stage air chamber large piston section, the second-stage air chamber small piston section is in threaded connection with the second-stage air chamber large piston section, the end part of the second-stage air chamber small piston section is connected with a second-stage air chamber connecting flange, the other end of the transmitting tube is connected with the second-stage, the small piston section of the second-stage air chamber and the large piston section of the second-stage air chamber are respectively provided with a small piston and a large piston, a piston connecting rod is arranged between the small piston and the large piston, and a spring is arranged on the piston connecting rod.
The utility model discloses still include such structural feature:
1. the air leakage device comprises an air leakage flange fixedly connected with an external flange at the tail part of the launching tube and an air blocking ball valve connected with the air leakage flange.
2. The action sectional area of the large piston is 5-9 times of that of the small piston
3. Sealing rings are arranged at the joint of the primary air chamber cover and the primary air chamber and the joint of the primary air chamber and the triggering electromagnetic ball valve.
4. Sealing rings are arranged between the large piston and the large piston section of the secondary air chamber and between the small piston and the small piston section of the secondary air chamber.
Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model discloses a pure air compression has avoided the tradition to adopt the danger and the uncontrollable nature that flammable explosive gases such as gunpowder and compressed hydrogen brought, safe and reliable, and economic effect is better to it can carry out tests such as the high-speed collision of object to make the non-have the scientific research institution that the firer used the qualifications and become the feasibility. 2. The utility model discloses a design of second grade light gas big gun, second grade air chamber comprise two sections, by big small piston effect respectively, fill the high-pressure gas of the little piston section of second grade air chamber in advance when can making trigger, and the high pressure load that the object received is bigger, just can realize through changing pressure that the object remains stable high pressure load all the time in the launching tube. 3. The utility model discloses ending the playback process at implementation process, triggering process and experiment and all adopting automatic pneumatic control, avoiding high-pressure experimentation and experiment to end the back high-pressure gas and causing the injury to the experimenter in the device. 4. The utility model discloses join disappointing device at the launching tube afterbody, it can satisfy the object and launch the launching tube at a high speed after, and timely control stifled gas ball valve is discharged afterbody high-pressure gas by the ring flange that loses heart, avoids the object production disturbance after afterbody's big amount of high-pressure gas is to the departure barrel.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural section view of the present invention.
Fig. 3a and 3b are schematic structural diagrams of the side view direction and the front view direction of the one-level air chamber and the connecting member device of the present invention, respectively.
Fig. 4a is a side view of the second stage air chamber and the connecting member portion of the present invention, and fig. 4b and 4c are schematic views of the piston movement process, i.e., the first and second.
Fig. 5a and 5b are schematic diagrams showing the side view and front view of the barrel vent of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a support 24, one-level air chamber 1, the big piston section of second grade air chamber 3, the little piston section of second grade air chamber 9, big piston 4, little piston 7, one-level air chamber solenoid valve 20, one-level air chamber manometer 19, the little piston section manometer 33 of second grade air chamber, the little piston section solenoid valve 35 of second grade air chamber, trigger electromagnetism ball valve 8, launching tube 12, the ring flange 14 that loses heart and stifled gas ball valve 15.
The one-level air chamber top open and to have a screw hole, be connected with one-level air chamber manometer 19, 1 outer ear end of one-level air chamber adopts threaded connection with one-level air chamber top cap 2, one-level air chamber top cap 2 and 20 threaded connection of one-level air chamber solenoid valve, 1 inner ear end of one-level air chamber and 8 bolted connection of trigger electromagnetic ball valve, 1 inner ear end of one-level air chamber all opens O type sealing washer notch, the sealed notch of O type circle has all been opened to one-level air chamber both sides face for high-pressure seal. The integral body has high structural strength of the first-level air chamber, and the processing, mounting and dismounting processes are simple and convenient.
The top of the second-stage air chamber large piston section 3 is provided with a through hole for balancing the pressure between the inside of the two pistons and the outside, the inside of the second-stage air chamber large piston section is provided with a large piston, a piston connecting rod connecting seat, a piston connecting rod and a spring, the large piston is connected with the piston connecting rod connecting seat through a bolt, the piston connecting rod connecting seat is connected with the piston connecting rod through a thread, the spring is fixed with the end surface of the second-stage air chamber small piston section, the inner ear end of the second-stage air chamber large piston section 3 is connected with a triggering electromagnetic ball valve 8 through a bolt, the outer ear end of the second-stage air chamber small piston section is connected with a second-stage air chamber small piston section 9 through a bolt, and the inner ear end and the outer ear end.
The small piston, a piston connecting rod connecting seat, a piston connecting rod and a piston sealing ring are arranged in the small piston section of the second-stage air chamber, the small piston is connected with the piston connecting rod connecting seat through a bolt, and the piston connecting rod connecting seat is in threaded connection with the piston connecting rod. Two screw holes are opened at 9 tops of the small piston section of second grade air chamber, one with 35 threaded connection of the small piston section solenoid valve of second grade air chamber, another with 33 threaded connection of the small piston section manometer of second grade air chamber, the outer ear end of the small piston section of second grade air chamber and the big piston section of second grade air chamber outer ear end bolted connection, inner ear end and 10 bolted connection of second grade air chamber flange, accompany diaphragm 11 in the middle of the two, the diaphragm uses different triggering strength according to the demand, second grade air chamber flange and launching tube threaded connection.
The secondary air chamber consists of double secondary air chambers, the double secondary air chambers are respectively acted by a large piston 4 and a small piston 7, the double pistons are in rigid linkage, and the action sectional area of the large piston 4 is 5-9 times that of the small piston 7.
High-pressure gas is filled into the small piston section 9 of the secondary air chamber in the initial state, the small piston 7 compresses the high-pressure gas in the small piston section 9 of the secondary air chamber under the load action of the high-pressure gas in the primary air chamber 1 along with the large piston, the gas pressure is increased along with the reduction of the volume, the diaphragm 11 is broken after reaching the preset selective pressure, and the high-pressure gas is burst and sprayed into the transmitting tube 12.
The launching tube is externally connected with a flange plate, an air release flange plate and an air blocking ball valve to form an air release device, the tail part of the launching tube 12 is in threaded connection with the launching tube external connection flange plate 13, the launching tube external connection flange plate 13 is in bolted connection with the air release flange plate 13, and the air release flange plate 13 is in bolted connection with the air blocking ball valve 15.
Fig. 1 is a schematic view of the overall structure of the present invention. The gas leakage prevention device mainly comprises a support 24, fixing bases 25 and 26, a first-stage gas chamber 1, a second-stage gas chamber large piston section 3, a second-stage gas chamber small piston section 9, a large piston 4, a small piston 7, a pressure gauge 19, a triggering electromagnetic ball valve 8, a first-stage gas chamber electromagnetic valve 20, a second-stage gas chamber electromagnetic valve 35, a gun barrel 12, a gas leakage disc flange 14, a gas blockage ball valve 15 and the like.
Fig. 2 is a schematic structural section view of the present invention. The schematic cross-sectional view is intended to show the overall structure of the novel two-stage light gas cannon, and the detailed implementation and details of each part are described in detail in the following fig. 3 a-5 b.
With reference to fig. 3a and 3b, the outer ear end of the first-stage air chamber 1 is connected with the first-stage air chamber top cover 2 through bolts and nuts 16, wherein the first-stage air chamber top cover 2 is sealed through an O-ring 49, the first-stage air chamber top cover 2 is in threaded connection with the first-stage air chamber electromagnetic valve 20, and the inner ear end of the first-stage air chamber 1 is in bolted connection with the trigger electromagnetic ball valve 8, wherein the first-stage air chamber top.
With reference to fig. 4 a-4 c, the inner ear end of the second-stage air chamber large piston section 3 is bolted with the triggering electromagnetic ball valve 8, wherein the O-ring 39 is sealed, the large piston 4 and the sealing rings 51 and 52 thereof are arranged inside the second-stage air chamber large piston section 3, the small piston 7 and the sealing rings 53 and 54 thereof are arranged in the second-stage air chamber small piston section 9, the large piston 4 is bolted with the piston connecting rod connecting seat 32, the piston connecting rod connecting seat 32 is in threaded connection with one end of the piston connecting rod 5, the other end of the piston connecting rod 5 is in bolted connection with the piston connecting rod connecting seat 6 at the end of the small piston 7, the large piston and the small pistons form a piston linkage structure, the spring 23 is fixed at the outer ear end of the second-stage air chamber small piston. The top of the second-stage air chamber small piston section 9 is provided with two threaded holes which are respectively connected with a second-stage air chamber small piston section electromagnetic valve 35 and a second-stage air chamber small piston section pressure gauge 33, the inner ear end of the second-stage air chamber small piston section electromagnetic valve is connected with a second-stage air chamber connecting flange 10 through a bolt, a diaphragm 11 and an O-shaped sealing ring are clamped between the second-stage air chamber small piston section electromagnetic valve and the second-stage air chamber connecting flange, the diaphragm 11 can be set to be at the compression strength limit according to requirements, when the pressure in the second-stage air chamber small piston section 9 reaches the compression limit, the diaphragm 11 is broken, at the moment, high-pressure air in the second-stage air chamber small piston section 9 is sprayed out along the launching tube 12, and simultaneously, the.
Referring to fig. 5a and 5b, the transmitting tube external flange 13 is in threaded connection with the transmitting tube 12, the transmitting tube external flange 13 is in bolted connection with the air release flange 14, the air release flange 14 is in bolted connection with the air-lock ball valve 15, and a sealing ring 45 is arranged at the joint. It is worth noting that the four sides of the middle section of the air leakage flange 14 are provided with large-size through holes, the inner diameter of the air leakage flange 14 is a positive tolerance compared with the inner diameter of the transmitting tube 12, and in addition, a speed measuring system and a signal receiver can be arranged outside the through holes of the air leakage flange 14 to control the opening and closing of the air blocking ball valve 15.
During the experiment, the primary air chamber electromagnetic valve 20, the triggering electromagnetic ball valve 8 and the secondary air chamber small piston section electromagnetic valve 35 are closed, and the air blocking ball valve 15 is opened. Firstly, an object is loaded into a launching tube 12, then the positions of a large piston and a small piston are reset, high-pressure air is injected into a small piston section of a second-stage air chamber by opening a small piston section electromagnetic valve 35 of the second-stage air chamber, a large piston linkage device automatically resets to a first-stage air chamber under the action of the high-pressure air, a pressure value is observed by a pressure gauge 33 of the second-stage air chamber, after a target pressure is reached, the small piston section electromagnetic valve 35 of the second-stage air chamber is closed, at the moment, a first-stage air chamber electromagnetic valve 20 is opened to inject the high-pressure air into a first-stage air chamber 1, a pressure value is observed by a pressure gauge 19 of the first-stage air chamber, the first-stage air chamber electromagnetic valve 20 is closed after the pre-calculated pressure is reached, at the moment, a trigger electromagnetic ball valve 8 is opened, the high-pressure air in the first-, at the moment, the existing high-pressure gas in the small piston section 9 of the secondary air chamber is compressed by the small piston 7 and is multiplied, when the pressure reaches the strength limit of the preset diaphragm 11, the diaphragm is broken, the high-pressure gas acts on an object in the launching tube 12, the object moves at a high speed along the launching tube 12, meanwhile, the high-pressure gas in the primary air chamber 1 and the large piston section 3 of the secondary air chamber acts on the surface of the large piston 4, the pistons are linked to form a load which continuously moves towards the launching tube 12, the high-pressure gas in the small piston section 9 of the secondary air chamber is always kept in a stable value and is sprayed out into the launching tube 12 to act on the object load, when the object moves to the air leakage flange 13, an external signal acquisition device acquires the object, a signal is transmitted to a control computer to close the air blocking ball valve 15, and therefore the tail high-pressure gas is released from the air leakage flange 13.
To sum up, the utility model belongs to the technical field of the light gas big gun experiment, in particular to use highly-compressed air as driven novel second grade light gas big gun. The device mainly comprises a bracket, a primary air chamber electromagnetic valve, a triggering electromagnetic ball valve, a secondary air chamber, a large piston, a small piston, a transmitting tube, an air release device and the like. The utility model discloses a second grade air chamber power supply, second grade air chamber divide into big piston section and little piston section, and two inside piston rigidity linkages, initial state one-level air chamber and the little piston section of second grade air chamber fill highly-compressed air, through the storage and the release of solenoid valve control highly-compressed air to the solution is under the condition that can't provide inflammable and explosive gases such as initiating explosive device and hydrogen, adopts the hypervelocity flight of air compression loading realization object. The utility model discloses safe and reliable adopts compressed air's method to realize that the object hypervelocity flies, and the experiment is with low costs, and is easy and simple to handle safely.
Claims (9)
1. The utility model provides an use high-pressure air as novel second grade light gas big gun of driven which characterized in that: the device comprises a bracket, a first-stage air chamber, a second-stage air chamber large piston section, a second-stage air chamber small piston section, a transmitting tube and an air release device, wherein the first-stage air chamber, the second-stage air chamber large piston section, the second-stage air chamber small piston section, the transmitting tube and the air release device are respectively arranged on the bracket through a fixed support, a first-stage air chamber cover is arranged at the front end of the first-stage air chamber, a first-stage air chamber electromagnetic valve is arranged on the first-stage air chamber cover, a trigger electromagnetic ball valve is arranged between the first-stage air chamber and the second-stage air chamber large piston section, the second-stage air chamber small piston section is in threaded connection with the second-stage air chamber large piston section, the end part of the second-stage air chamber small piston section is connected with a second-stage air chamber connecting flange, the other end of the transmitting tube is connected with the second-stage, the small piston section of the second-stage air chamber and the large piston section of the second-stage air chamber are respectively provided with a small piston and a large piston, a piston connecting rod is arranged between the small piston and the large piston, and a spring is arranged on the piston connecting rod.
2. The novel two-stage light gas gun driven by high-pressure air as claimed in claim 1, wherein: the air leakage device comprises an air leakage flange fixedly connected with an external flange at the tail part of the launching tube and an air blocking ball valve connected with the air leakage flange.
3. A new type of two-stage light gas cannon driven by high pressure air according to claim 1 or 2, characterized in that: the action sectional area of the large piston is 5-9 times of that of the small piston.
4. A new type of two-stage light gas cannon driven by high pressure air according to claim 1 or 2, characterized in that: sealing rings are arranged at the joint of the primary air chamber cover and the primary air chamber and the joint of the primary air chamber and the triggering electromagnetic ball valve.
5. The novel two-stage light gas gun driven by high-pressure air as claimed in claim 3, wherein: sealing rings are arranged at the joint of the primary air chamber cover and the primary air chamber and the joint of the primary air chamber and the triggering electromagnetic ball valve.
6. A new type of two-stage light gas cannon driven by high pressure air according to claim 1 or 2, characterized in that: sealing rings are arranged between the large piston and the large piston section of the secondary air chamber and between the small piston and the small piston section of the secondary air chamber.
7. The novel two-stage light gas gun driven by high-pressure air as claimed in claim 3, wherein: sealing rings are arranged between the large piston and the large piston section of the secondary air chamber and between the small piston and the small piston section of the secondary air chamber.
8. The novel two-stage light gas gun driven by high-pressure air as claimed in claim 4, wherein: sealing rings are arranged between the large piston and the large piston section of the secondary air chamber and between the small piston and the small piston section of the secondary air chamber.
9. The novel two-stage light gas gun driven by high-pressure air as claimed in claim 5, wherein: sealing rings are arranged between the large piston and the large piston section of the secondary air chamber and between the small piston and the small piston section of the secondary air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920364872.4U CN209857756U (en) | 2019-03-21 | 2019-03-21 | Novel two-stage light gas gun using high-pressure air as drive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920364872.4U CN209857756U (en) | 2019-03-21 | 2019-03-21 | Novel two-stage light gas gun using high-pressure air as drive |
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| CN209857756U true CN209857756U (en) | 2019-12-27 |
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| CN201920364872.4U Active CN209857756U (en) | 2019-03-21 | 2019-03-21 | Novel two-stage light gas gun using high-pressure air as drive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945740A (en) * | 2019-03-21 | 2019-06-28 | 哈尔滨工程大学 | It is a kind of using pressure-air as driving novel two-stage light-gas gun |
| CN114778058A (en) * | 2022-06-20 | 2022-07-22 | 中国飞机强度研究所 | Control method of gas circuit system of secondary air cannon for high-speed impact test of airplane structure |
-
2019
- 2019-03-21 CN CN201920364872.4U patent/CN209857756U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945740A (en) * | 2019-03-21 | 2019-06-28 | 哈尔滨工程大学 | It is a kind of using pressure-air as driving novel two-stage light-gas gun |
| CN109945740B (en) * | 2019-03-21 | 2024-02-27 | 哈尔滨工程大学 | Novel two-level light air gun driven by high-pressure air |
| CN114778058A (en) * | 2022-06-20 | 2022-07-22 | 中国飞机强度研究所 | Control method of gas circuit system of secondary air cannon for high-speed impact test of airplane structure |
| CN114778058B (en) * | 2022-06-20 | 2022-09-02 | 中国飞机强度研究所 | Control method of gas circuit system of secondary air cannon for high-speed impact test of airplane structure |
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