CN216111046U - Dull and stereotyped loaded constitution and dull and stereotyped loaded constitution engine - Google Patents
Dull and stereotyped loaded constitution and dull and stereotyped loaded constitution engine Download PDFInfo
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- CN216111046U CN216111046U CN202122176196.8U CN202122176196U CN216111046U CN 216111046 U CN216111046 U CN 216111046U CN 202122176196 U CN202122176196 U CN 202122176196U CN 216111046 U CN216111046 U CN 216111046U
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Abstract
The utility model relates to the technical field of charging structures, in particular to a flat charging structure and a flat charging structure engine; this charge structure is including the powder charge main part that is used for filling the propellant, the powder charge main part is cylindrical, it is regional with filling region and the interlayer that the powder charge main part separated into in turn to be provided with a plurality of plywoods in the powder charge main part, it is regional to include at least three filling region that is used for the powder charge in the powder charge main part, be provided with supporting mechanism between the adjacent filling region, supporting mechanism is located the interlayer region, supporting mechanism is wave platelike structure, this powder charge structure can paste the wall casting and in the combustion chamber casing, can be used to make the solid rocket engine. The charge structure has the advantages of large combustion surface, adjustable working time and high charge coefficient, at least three filling areas are arranged in the charge main body, the charge main body can be cast in a combustion chamber shell in a wall-mounted manner, a charge column can be loaded to the greatest extent, the large combustion surface and the adjustable combustion speed can be realized, and the charge structure can be used for the launching-stage charge with large thrust and short working time.
Description
Technical Field
The utility model relates to the technical field of charging structures, in particular to a flat charging structure and a flat charging structure engine.
Background
The charging structure refers to the installation mode of the explosive cartridge in a blast hole (hole), and is an important factor influencing the blasting effect. Modern aircraft requires that the engine has characteristics such as work efficiency height, light in weight, launch security height to satisfy farther range and guarantee shooter's personal safety, consequently to the engine boosting level as follows the requirement: 1) the engine fill ratio is as high as possible to achieve a limited space to enable more propellant to be filled; 2) the combustion surface is as large as possible, so that the combustion surface has high thrust to meet the cylinder discharging speed; 3) the working time is adjustable, and no residual medicine or fire exists, thereby ensuring the personal safety of the shooter. Because the engine is required to have extremely high reliability, the medicine type structure of the engine is as simple as possible, and the number of parts is as small as possible.
At present, most engines of aircrafts adopt a plurality of tubular charges and freely-filled charges, such as American 'ceramic', Chinese red arrow 73 and red arrow 8 boosting-level engines, a medicine hanging mechanism or a medicine baffle plate mechanism needs to be added, the structure is complex and difficult to fix and install, meanwhile, the structure of the plurality of tubular charges is only suitable for adopting a double-base propellant or a modified double-base propellant, the selection of the propellant is limited, the thickness of the charged meat is limited, the burning speed of the propellant is difficult to adjust, the charge amount and the charge ratio in a limited space are difficult to improve, the function of double pulse is difficult to realize, and the vector control technology is also difficult to realize.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a flat charging structure which comprises a charging main body used for filling propellant, wherein the charging main body is cylindrical, a plurality of laminates are arranged in the charging main body to divide the charging main body into a filling area and an interlayer area which are alternately arranged, and at least three filling areas are arranged in the charging main body.
Preferably, the charge main body is arranged in an up-and-down symmetrical manner.
Preferably, the two laminates at the upper end and the lower end of the powder charging main body, which are close to the inner wall of the powder charging main body, are first laminates, the first laminates are arc-shaped plates concentric with the powder charging main body, and the laminates between the two first laminates are second laminates.
Preferably, the meat thickness of the grain in the filling area between the first layer plate and the inner wall of the medicine charging main body is half of that of the grain in the filling area between the second layer plates.
When the charge structure is arranged in the combustion chamber shell for use, the inner wall of the combustion chamber shell is provided with a heat insulation layer, the propellant is filled in a filling area of the charge main body, the filling area and the interlayer area are alternately arranged, and a filling area or an interlayer area can be formed between the first layer plate and the inner wall of the charge main body; for better combustion effect, provide stable thrust, the powder charge main part is the longitudinal symmetry structure, and filling area and isolation region also are the symmetry setting, when the powder charge structure begins to ignite, because the inner wall of combustion chamber casing is provided with the heat insulation layer, then when burning, if form filling area between first plywood and the powder charge main part inner wall, then its one side that is close to powder charge main part inner wall does not burn, only keep away from one side burning of powder charge main part inner wall, filling area that forms between the second plywood then both sides all can burn, in order to make whole powder charge structure's face of burning approximate to the constant face, then the thick half of the thick pillar meat that forms between the second plywood of filling area that forms between first plywood and the powder charge main part inner wall, can make and do not produce the surplus medicine in the burning, the surplus medicine, provide steady thrust.
Preferably, the charge main body is formed by splicing two semi-cylindrical modules.
Preferably, a support mechanism is arranged in the interlayer region.
Preferably, the support mechanism is a wave-shaped plate structure.
Preferably, the supporting mechanism is made of nitrocellulose or celluloid plate.
Can fill in the filling region two base propellant, change two base propellant or compound propellant in one, compound propellant powder charge is polymer viscoelastic material, its mechanical properties depends on the temperature and the load action time that receive to a great extent, under the high temperature condition or long-term storage condition, there are phenomenons such as obvious creep deformation, stress relaxation, influence the use of charge structure, and then can not provide stable thrust when using, for long-time storage, set up supporting mechanism in the interlayer region, set up supporting mechanism between adjacent filling region promptly, with the demand that satisfies charge structure long-time storage.
The utility model also provides a flat charging structure engine which comprises a combustion chamber shell, a spray pipe assembly and the charging structure, wherein the charging structure is arranged in the combustion chamber shell, the spray pipe assembly is detachably connected with the combustion chamber shell, and the inner wall of the combustion chamber shell is also provided with a combustion chamber heat insulating layer.
Preferably, the combustion chamber shell is cylindrical, and the charge structure is connected with the combustion chamber shell in a wall-mounted casting mode.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
1) the powder charging structure has the advantages of large combustion surface, adjustable working time and high loading coefficient, a plurality of laminates are arranged in the powder charging main body to form at least three filling areas, the powder charging main body can be cast in a combustion chamber shell in a wall-mounted manner, powder columns can be loaded to the maximum extent, large combustion surface and adjustable combustion speed can be realized, and the powder charging structure can be used for launching-level powder charging with large thrust and short working time;
2) according to the charging structure, the charging main bodies are symmetrically arranged, namely the charges in the charging structure are symmetrical and keep the same thickness when burning, so that no residual medicine and no residual medicine can be realized, the personal safety of operators can be ensured, and the medicine burning efficiency of the charging main bodies can be improved;
3) the powder charging structure can use the composite propellant, and when the powder charging structure is arranged in a combustion chamber, a powder fixing mechanism or a powder blocking mechanism is not needed, so that more space is saved for forming the powder column;
4) according to the medicine charging structure, the wavy plate-shaped structure is arranged in the adjacent filling area for supporting, and is supported by the combustible material which is light and good in propellant compatibility, so that the medicine charging structure is easy to melt and does not generate harmful eruptions.
Drawings
FIG. 1 is a schematic structural view and a cross-sectional cut-away view of a charge construction of the present invention;
FIG. 2 is a schematic structural view of a support mechanism in the charge configuration of the present invention;
FIG. 3 is a cross-sectional view of a charge construction of the present invention disposed in a combustion chamber;
FIG. 4 is another cross-sectional view of a charge construction of the present invention positioned in a combustion chamber;
FIG. 5 is a schematic representation of the structure of an engine incorporating the charge configuration of the present invention;
FIG. 6 is a graph of an engine thrust versus time test of the present invention.
1-a charge body; 2-a filling area; 3-a spacer region; 4-a first laminate; 5-a second layer plate; 6-a support mechanism; 7-a nozzle assembly; 8-a combustion chamber housing; 9-combustion chamber heat insulation layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention. In the drawings, the size and relative sizes of certain features may be exaggerated for clarity.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected" and "coupled" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the term "connecting" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and a person skilled in the art can understand the specific meaning of the above terms in the present invention in a specific case.
In the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", and the like are used in the orientations and positional relationships shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In addition, in the description of the present invention, the terms "first" and "second" are used only for descriptive distinction.
Example 1
As shown in the accompanying drawings 1-4, the utility model provides a flat charging structure, which comprises a charging main body 1 for filling propellant, wherein the charging main body 1 is cylindrical, a plurality of laminates are arranged in the charging main body 1 to divide the charging main body 1 into a charging area 2 and an interlayer area 3 which are alternately arranged, and at least three charging areas 2 are arranged in the charging main body 1.
The four-layer flat plate charging structure is explained in detail, two arc-shaped first layer plates 4 close to the inner wall are arranged in a charging main body 1, a filling area 2 is formed between each first layer plate 4 and the inner wall of the charging main body 1, a plurality of second layer plates 5 are arranged between the two first layer plates 4 and sequentially and alternately form the filling area 2 and an interlayer area 3, the charging main body 1 comprises four filling areas 2 and three interlayer areas 3, the charging main body 1 is symmetrically arranged, and the charging main body 1 is cylindrical and preferably is symmetrically arranged up and down and left and right; the thick grain meat of the filling area 2 that forms between the second plywood 5 is twice thick meat, the thick grain meat of the filling area that forms between first plywood 4 and the 1 inner wall of powder charge main part is single thick meat, and keep concentric with the 1 centre of a circle of powder charge main part, in the combustion process, arrange powder charge main part 1 in the combustion chamber that has the insulating layer, the filling area that can guarantee the powder charge structure edge is the same with the thick meat in the filling area at middle part, whole powder charge structure's combustion face is approximate for the constant face promptly, can not produce the surplus medicine, the surplus medicine.
Further, can set up the charge structure of corresponding size according to the size of combustion chamber, charge structure can be a whole, installs in the combustion chamber, also can be that a plurality of modular structure assemble and form, for the ease of spare parts and be applicable to the large-size combustion chamber, charge main part 1 is that the semi-cylindrical modularization of two symmetries is assembled and is formed, makes things convenient for spare parts, practices thrift the cost.
Furthermore, as shown in fig. 2 in the specification, in order to store the propellant in the charge structure for a long time and avoid the influence of storage conditions such as high temperature, a support mechanism 6 is arranged in the adjacent filling area 2, namely the interlayer area 3, so that the phenomena of creep deformation, stress relaxation and the like of the propellant in the storage process can be reduced, the long-time storage is facilitated, and the profile integrity of the charge structure is ensured; in order not to affect the quality of the propellant, the supporting mechanism 6 is also required to be combustible, so that ejections are not easy to generate, the throat diameter of a spray pipe is prevented from being blocked, and potential safety hazards are brought to the use of an engine, the supporting mechanism 6 is of a W-shaped or M-shaped wavy plate-shaped structure, so that a filling area can be uniformly supported, and a light combustible material, such as a nitrocellulose sheet or a celluloid plate, is pressed and formed, so that the quality of the supporting mechanism 6 is reduced, and meanwhile, the hazardous ejections are not generated.
The present embodiment only describes a four-layer flat charging structure, and the charging structure may also be a three-layer structure or a structure with more than four layers, depending on the size of the combustion chamber and the use requirement.
Compared with tubular charging, the multilayer flat plate charging structure has remarkable advantages, the charging length can be greatly shortened, the volume charging coefficient can be remarkably improved, the mass ratio of a boosting engine is improved, the same length and size of the engine can reach the same inner trajectory performance, and the multilayer flat plate charging structure is adopted, so that the volume charging coefficient is improved by 88.2 percent compared with the tubular charging coefficient.
Example 2
As shown in the attached figure 5 in the specification, the engine comprises the four-layer flat charging structure described in embodiment 1, and further comprises a nozzle assembly 7 and at least one combustion chamber shell 8, wherein the nozzle assembly 7 is detachably connected with the combustion chamber shell 8, the charging structure is arranged in the combustion chamber shell 8, the inner wall of the combustion chamber shell 8 is further provided with a combustion chamber heat-insulating layer 9, the combustion chamber is cylindrical, and the charging structure is connected with the combustion chamber shell 8 in an adherent casting manner.
As shown in the attached figure 6 of the specification, the thrust-time curve of the engine is shown, the designed balance pressure of the engine is 8MPa, the combustion chamber shell is made of titanium alloy materials, the medicine loading amount of the medicine charging structure is 0.22kg, the ground static test of the two-engine is carried out, and the measured thrust-time curve of the engine is stable as shown in the figure, has no trailing and can provide stable thrust.
And those not described in detail in this specification are well within the skill of those in the art.
It should be understood by those skilled in the art that the present invention may be embodied in many other specific forms without departing from the spirit or scope of the utility model. Although an embodiment of the present invention has been described, it is to be understood that the present invention should not be limited to this embodiment, and variations and modifications can be made by those skilled in the art within the spirit and scope of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides a flat charging structure, its characterized in that, this charging structure is including the powder charge main part that is used for filling the propellant, the powder charge main part is cylindrical, it is regional with the interlayer that filling area and the setting in turn are separated into with the powder charge main part to be provided with a plurality of plywoods in the powder charge main part, contain at least three filling area in the powder charge main part.
2. The flat charge structure according to claim 1, wherein the charge body is arranged vertically symmetrically.
3. The flat charge structure according to claim 1, wherein the two laminates of the upper end and the lower end of the charge main body, which are close to the inner wall of the charge main body, are first laminates, the first laminates are arc-shaped laminates concentric with the charge main body, and the laminates between the two first laminates are second laminates.
4. A flat charge configuration according to claim 3, wherein the packed region between the first layer and the inner wall of the charge body has a grain thickness which is half the grain thickness of the packed region between the second layer.
5. A flat charge configuration according to claim 1, wherein the charge body is formed by two semi-cylindrical modular splices.
6. A flat charge arrangement as claimed in claim 1, wherein a support means is provided within the spacer region.
7. A flat charge configuration according to claim 6, wherein the support means is a corrugated plate-like structure.
8. A flat charge structure as claimed in claim 6 wherein the support mechanism is made of nitrocellulose or celluloid sheets.
9. A flat charging structure engine, which is characterized by comprising a combustion chamber shell, a spray pipe assembly and the charging structure as claimed in any one of claims 1 to 8, wherein the charging structure is arranged in the combustion chamber shell, the spray pipe assembly is detachably connected with the combustion chamber shell, and the inner wall of the combustion chamber shell is further provided with a combustion chamber heat insulating layer.
10. A flat charge configuration according to claim 9, wherein the combustion chamber casing is cylindrical and the charge configuration is cast against the combustion chamber casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122176196.8U CN216111046U (en) | 2021-09-09 | 2021-09-09 | Dull and stereotyped loaded constitution and dull and stereotyped loaded constitution engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122176196.8U CN216111046U (en) | 2021-09-09 | 2021-09-09 | Dull and stereotyped loaded constitution and dull and stereotyped loaded constitution engine |
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| CN216111046U true CN216111046U (en) | 2022-03-22 |
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| CN202122176196.8U Active CN216111046U (en) | 2021-09-09 | 2021-09-09 | Dull and stereotyped loaded constitution and dull and stereotyped loaded constitution engine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658564A (en) * | 2022-04-21 | 2022-06-24 | 哈尔滨工业大学 | Wide-range thrust-adjusting electric control solid thruster |
| CN114776476A (en) * | 2022-03-24 | 2022-07-22 | 北京灵动飞天动力科技有限公司 | Reinforced framework charging structure and preparation process thereof |
| CN115163335A (en) * | 2022-07-01 | 2022-10-11 | 星河动力(北京)空间科技有限公司 | Combustion chamber grain for test and simulated engine combustion chamber |
-
2021
- 2021-09-09 CN CN202122176196.8U patent/CN216111046U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776476A (en) * | 2022-03-24 | 2022-07-22 | 北京灵动飞天动力科技有限公司 | Reinforced framework charging structure and preparation process thereof |
| CN114658564A (en) * | 2022-04-21 | 2022-06-24 | 哈尔滨工业大学 | Wide-range thrust-adjusting electric control solid thruster |
| CN114658564B (en) * | 2022-04-21 | 2022-09-23 | 哈尔滨工业大学 | Wide-range thrust-adjusting electric control solid thruster |
| CN115163335A (en) * | 2022-07-01 | 2022-10-11 | 星河动力(北京)空间科技有限公司 | Combustion chamber grain for test and simulated engine combustion chamber |
| CN115163335B (en) * | 2022-07-01 | 2023-01-13 | 星河动力(北京)空间科技有限公司 | Combustion chamber grain for test and simulated engine combustion chamber |
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