Pipeline vacuum field generating device

Abstract

The utility model relates to a pipeline vacuum field generating device, which relates to the technical field of pipeline vacuum fields and is characterized by comprising a partition mechanism which is composed of a vacuum generating pipe, an outer expansion pipe, an upper sealing washer, a lower sealing washer, a sealing ring pressing ring, a hydraulic column, a hydraulic cylinder, a thin film elastic supporting framework and an ultrathin high-strength thin film component. Seven stages of negative pressure chambers are formed between the eight partition mechanisms and the vacuum generation pipe, a transmitting pipe negative pressure chamber is formed between the lowest partition mechanism and the transmitting pipe, and the eight negative pressure chambers are communicated with eight external vacuum pipes respectively so as to manufacture gradient vacuum of the eight negative pressure chambers respectively. The vacuum degrees of the eight negative pressure chambers can be increased in a gradient mode from top to bottom till the negative pressure chambers of the launching tube are close to absolute vacuum, and a good vacuum condition is created for accelerated launching of a pointed-end launcher in the launching tube.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline vacuum fields, in particular to a pipeline vacuum field generating device. Background Art

[0002] When a projectile is rapidly accelerated in an air-rich environment, it will generate frictional resistance and frictional heating due to the action of air. In order to avoid these unfavorable factors as much as possible, a pipeline vacuum field generating device is proposed. Summary of the Invention

[0003] In order to avoid the adverse factors caused by air as much as possible, the utility model provides a pipeline vacuum field generating device.

[0004] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0005] The utility model provides a pipeline vacuum field generating device, comprising a partition mechanism, wherein the partition mechanism is composed of an outer expansion tube, an upper sealing gasket, a lower sealing gasket, a sealing ring pressure ring, a hydraulic column, a hydraulic cylinder, a film elastic support skeleton, and an ultra-thin high-strength film component.

[0006] Preferably, the arrangement relationship of the relevant components of the partition mechanism is specifically as follows: the vacuum generating tube is divided into eight sections, and eight sections of the external expansion tube are welded to the outside of the separation; two hydraulic cylinders are provided at the lower end of the separation of the vacuum generating tube, and the bottoms of the two hydraulic cylinders are close to one end of the vacuum generating tube; the hydraulic cylinder is provided with the hydraulic column, and the two hydraulic columns push upward to tighten a sealing ring pressure ring; a lower sealing gasket is provided above the sealing ring pressure ring; an upper sealing gasket is provided above the lower sealing gasket; the upper sealing gasket is close to the upper end of the separation of the vacuum generating tube; the ultra-thin high-strength film is tightly clamped between the lower sealing gasket and the upper sealing gasket; the outer ring of the ultra-thin high-strength film is provided with the film elastic support frame for easy installation or replacement.

[0007] Preferably, the sealing ring pressure ring and the lower sealing gasket can be driven downward to open and separate from the upper sealing gasket to set or replace the ultra-thin high-strength film whose outer ring is provided with the film elastic support skeleton. After setting or replacing, the sealing ring pressure ring and the lower sealing gasket can be driven upward to press the ultra-thin high-strength film to restore it.

[0008] Preferably, a total of eight partition mechanisms are provided on the vacuum generating tube, and negative pressure chambers are formed between the partition mechanisms. The seven partition mechanisms above form a first-level negative pressure chamber, a second-level negative pressure chamber, a third-level negative pressure chamber, a fourth-level negative pressure chamber, a fifth-level negative pressure chamber, and a sixth-level negative pressure chamber from top to bottom.

[0009] Preferably, the partition mechanism located at the bottom is sealed and welded to the vacuum generating tube above and to the launch tube below, and a seven-level negative pressure chamber is formed above the partition mechanism located at the bottom and a launch tube negative pressure chamber is formed below.

[0010] As a preference, the first-level negative pressure chamber is connected to the external vacuum tube No. 1, the second-level negative pressure chamber is connected to the external vacuum tube No. 2, the third-level negative pressure chamber is connected to the external vacuum tube No. 3, the fourth-level negative pressure chamber is connected to the external vacuum tube No. 4, the fifth-level negative pressure chamber is connected to the external vacuum tube No. 5, the sixth-level negative pressure chamber is connected to the external vacuum tube No. 6, the seventh-level negative pressure chamber is connected to the external vacuum tube No. 7, the transmitting tube negative pressure chamber is connected to the external vacuum tube No. 8, and each of the external vacuum tubes is used to connect each of the negative pressure chambers

[0011] The vacuum is drawn, and the vacuum degree increases from top to bottom, and the vacuum degree of the negative pressure chamber of the transmitting tube at the bottom is the highest.

[0012] Preferably, the No. 1 external vacuum tube is provided with a No. 1 vacuum gauge, the No. 2 external vacuum tube is provided with a No. 2 vacuum gauge, the No. 3 external vacuum tube is provided with a No. 3 vacuum gauge, the No. 4 external vacuum tube is provided with a No. 4 vacuum gauge, the No. 5 external vacuum tube is provided with a No. 5 vacuum gauge, the No. 6 external vacuum tube is provided with a No. 6 vacuum gauge, the No. 7 external vacuum tube is provided with a No. 7 vacuum gauge, and the No. 8 external vacuum tube is provided with a No. 8 vacuum gauge.

[0013] Preferably, the eight negative pressure chambers are respectively connected to eight external vacuum tubes to create a gradient vacuum in the eight negative pressure chambers, and the vacuum degree of the eight negative pressure chambers can be gradually increased from top to bottom.

[0014] Preferably, a pointed emitter is provided in the launch tube, the ultra-thin high-strength film has a very small mass, and the head is a pointed cone. The pointed emitter has a very large mass ratio relative to the film, and the resistance, friction and impact force encountered when piercing each film at high speed during launch are very small and almost negligible.

[0015] Preferably, the inner diameter of the vacuum generating tube is slightly larger than the inner diameter of the transmitting tube, and the extra space is used to accommodate debris generated after the pointed projectile pierces the ultra-thin high-strength film.

[0016] The beneficial effects of the utility model are:

[0017] This pipeline vacuum field generating device uses eight partition mechanisms to form seven negative pressure chambers between the vacuum generating tube and the transmitting tube, and forms a transmitting tube negative pressure chamber between the partition mechanisms and the transmitting tube. The vacuum is drawn in stages by external vacuum tubes of each negative pressure chamber, and the vacuum degree increases from top to bottom. The highest vacuum degree that can be achieved is formed in the transmitting tube negative pressure chamber, so that the pointed projectile can be accelerated in the transmitting tube without being affected by air resistance, and the temperature rise due to air friction is avoided. Finally, it pierces the ultra-thin high-strength film and is launched. Therefore, the utility model has positive significance for reducing the adverse effects of air when launching the pointed projectile. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0019] In the attached figure:

[0020] Figure 1 This is a structural diagram of a pipeline vacuum field generating device of the utility model

[0021] Figure 2 for Figure 1 Schematic diagram of the enlarged structure of 36 locations

[0022] Figure 3 for Figure 2 Cross-section at point B

[0023] Figure 4 for Figure 2 Cross-section at center C

[0024] Figure 5 for Figure 2 Cross-section at point D

[0025] Figure 6 for Figure 2 Top view of components 34 and 35

[0026] In the figure: 1. Vacuum gauge No. 1 2. Vacuum gauge No. 2 3. Vacuum gauge No. 3 4. Vacuum gauge No. 4 5. Vacuum gauge No. 5 6. Vacuum gauge No. 6 7. Vacuum gauge No. 7 8. Vacuum gauge No. 8 9. Transmitter tube 10. Vacuum generating tube 11. External vacuum tube No. 1 12. External vacuum tube No. 2 13. External vacuum tube No. 3 14. External vacuum tube No. 4 15. External vacuum tube No. 5 16. External vacuum tube No. 6 17. External vacuum tube No. 7 18. External vacuum tube No. 8 Connect vacuum tube 19, pointed emitter 20, external expansion tube 21, first-level negative pressure chamber 22, second-level negative pressure chamber 23, third-level negative pressure chamber 24, fourth-level negative pressure chamber 25, fifth-level negative pressure chamber 26, sixth-level negative pressure chamber 27, seventh-level negative pressure chamber 28, launch tube negative pressure chamber 29, upper sealing gasket 30, lower sealing gasket 31, sealing ring 32, hydraulic column 33, hydraulic cylinder 34, film elastic support frame 35, ultra-thin high-strength film 36, partition mechanism DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0028] Example 1: When accelerating and launching a pointed projectile 19 using an electromagnetic coil, the launch device is placed at the highest possible altitude to obtain an external environment with a relatively thin atmosphere, and an optimal vacuum environment is created in the launch tube 9 to minimize the adverse effects of air on the launch acceleration process. The specific operation is as follows:

[0029] like Figure 1 、 Figure 2 As shown, simultaneously, the No. 1 external vacuum tube 11, the No. 2 external vacuum tube 12, the No. 3 external vacuum tube 13, the No. 4 external vacuum tube 14, the No. 5 external vacuum tube 15, the No. 6 external vacuum tube 16, the No. 7 external vacuum tube 17, and the No. 8 external vacuum tube 18 are slowly opened to slowly and parallelly draw vacuum from each negative pressure chamber.

[0030] Further, if Figure 1As shown, observe the No. 1 vacuum gauge 1, No. 2 vacuum gauge 2, No. 3 vacuum gauge 3, No. 4 vacuum gauge 4, No. 5 vacuum gauge 5, No. 6 vacuum gauge 6, No. 7 vacuum gauge 7, and No. 8 vacuum gauge 8. When the No. 1 vacuum gauge 1 reaches seven-eighths of the external atmospheric pressure, close the No. 1 external vacuum tube 11; when the No. 2 vacuum gauge 2 reaches six-eighths of the external atmospheric pressure, close the No. 2 external vacuum tube 12; when the No. 3 vacuum gauge 3 reaches five-eighths of the external atmospheric pressure, close the No. 3 external vacuum tube 13; when the No. 4 vacuum gauge 4 reaches the external atmospheric pressure, close the No. 5 vacuum gauge 5. When the pressure reaches four-eighths of the external atmospheric pressure, the No. 4 external vacuum tube 14 is closed; when the No. 5 vacuum gauge 5 reaches three-eighths of the external atmospheric pressure, the No. 5 external vacuum tube 15 is closed; when the No. 6 vacuum gauge 6 reaches two-eighths of the external atmospheric pressure, the No. 6 external vacuum tube 16 is closed; when the No. 7 vacuum gauge 7 reaches one-eighth of the external atmospheric pressure, the No. 7 external vacuum tube 17 is closed; when the No. 8 vacuum gauge 1 reaches near absolute vacuum, the No. 8 external vacuum tube 18 continues to draw vacuum to maintain the vacuum degree of the transmitting tube negative pressure chamber 28.

[0031] Further, if Figure 1 、 Figure 2 As shown, the electromagnetic coil is started to accelerate the pointed projectile 19 in the negative pressure chamber 28 of the launch tube. After the pointed projectile 19 finally pierces eight layers of the ultra-thin high-strength film 35, it obtains a relatively ideal initial velocity and leaves the launch device, and the launch is completed.

[0032] The above description is merely a detailed description of specific embodiments of the present invention. Any unspecified portions represent conventional techniques. However, the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be readily conceived by a person skilled in the art within the technical scope disclosed herein are intended to be covered by the scope of protection of the present invention. The scope of protection of the present invention shall be determined by the scope of protection of the claims.

Claims

1. A pipeline vacuum field generating device, characterized in that: The invention comprises a partition mechanism (36), wherein the arrangement relationship of the related components of the partition mechanism (36) is as follows: the vacuum generating tube (10) is divided into eight sections, and eight sections of external expansion tubes (20) are respectively sealed and welded on the outside of the divided sections; two hydraulic cylinders (33) are provided at one end below each divided section of the vacuum generating tube (10); the bottoms of the two hydraulic cylinders (33) are closely attached to one end of the vacuum generating tube (10); the hydraulic cylinders (33) are provided with a hydraulic column (32), two hydraulic columns (32) and a plurality of hydraulic cylinders (33). A sealing ring (31) is pressed upward, a lower sealing gasket (30) is arranged above the sealing ring (31), an upper sealing gasket (29) is arranged above the lower sealing gasket (30), the upper sealing gasket (29) is tightly attached to the upper end of each separation of the vacuum generating tube (10), an ultra-thin high-strength film (35) is tightly clamped between the lower sealing gasket (30) and the upper sealing gasket (29), and the outer ring of the ultra-thin high-strength film (35) is provided with a film elastic The support frame (34) is provided with eight partition mechanisms (36) on the vacuum generating tube (10), and seven negative pressure chambers are formed between the partition mechanisms (36), which are formed from top to bottom in the order of a first-level negative pressure chamber (21), a second-level negative pressure chamber (22), a third-level negative pressure chamber (23), a fourth-level negative pressure chamber (24), a fifth-level negative pressure chamber (25), and a sixth-level negative pressure chamber (26). The partition mechanism (36) at the bottom is sealed and welded to the vacuum generating tube (10) above, and the partition mechanism (36) at the bottom is sealed and welded to the vacuum generating tube (10) below. The partition mechanism (36) is sealed and welded with the launch tube (9), and a seven-stage negative pressure chamber (27) is formed above the bottom partition mechanism (36), and a launch tube negative pressure chamber (28) is formed below the bottom partition mechanism (36). The eight negative pressure chambers are respectively connected to eight external vacuum tubes to create a gradient vacuum in the eight negative pressure chambers. The vacuum degree of the eight negative pressure chambers can be increased from top to bottom until the launch tube negative pressure chamber (28) is close to absolute vacuum, thereby creating a good vacuum condition for the accelerated launch of the pointed projectile (19) in the launch tube (9).

2. A pipeline vacuum field generating device according to claim 1, characterized in that The eight external vacuum tubes are respectively provided with vacuum meters.

3. A pipeline vacuum field generating device according to claim 1, characterized in that The inner diameter of the vacuum generating tube (10) is slightly larger than the inner diameter of the transmitting tube (9).

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