CN115931201B - Energy measurement system and method for gas pushing device - Google Patents
Energy measurement system and method for gas pushing device Download PDFInfo
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- CN115931201B CN115931201B CN202310223009.8A CN202310223009A CN115931201B CN 115931201 B CN115931201 B CN 115931201B CN 202310223009 A CN202310223009 A CN 202310223009A CN 115931201 B CN115931201 B CN 115931201B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention discloses an energy testing system and an energy testing method for a gas pushing device, which belong to the technical field of rocket pushing device testing, and comprise a body pushing device, a limiting rotating device, a weight bearing device, a gas cylinder for supplying gas to the gas pushing device and a bench with a table top; the limiting rotating device comprises a magnetic force suction hanger and a limiting rotating frame; the limiting rotating frame is in a locking state or a free rotation state relative to the bench under the action of the suction or release of the magnetic force suction hanger; the limiting rotating frame in a locking state is matched with the gas pushing device to lock the test weight in the bearing chute; the gas pushing device is configured to push the test weight in the bearing chute away from the weight bearing device and enable the test weight to freely fall to the ground when the limiting rotating frame is in a free rotation state. The invention can effectively detect the impulse of the gas impulse device and acquire the actual impulse data of the gas impulse device.
Description
Technical Field
The invention relates to the technical field of rocket pushing device testing, in particular to an energy measurement system and method for a gas pushing device.
Background
In rocket stage separation or fairing cold separation, a gas thrust device powered by pneumatic energy can be used for providing impulse. The existing pneumatic pushing device consists of an air supply cylinder, a connecting pipeline and an action device. When the rocket is separated, gas enters the action device from the gas supply cylinder through the connecting pipeline, and the push rod in the action device is pushed out under the action of air pressure, so that impulse required by separation of the rocket and the stress device is provided.
In daily practice, the inventor finds that the prior technical scheme has the following problems:
as the push rod of the actuating device pushes out, the space for containing the gas inside the actuating device increases, and the nature of the gas supply cylinder and the bottle neck of the gas supply cylinder cannot maintain the original pressure of the gas inside the actuating device, so that the pressure inside the actuating device is suddenly reduced, and the impulse of the push rod is also reduced. The decreasing of the plunger momentum may cause a safety hazard during rocket launching, and may even cause failure of rocket interstage separation or fairing separation, resulting in failure of rocket launching tasks. However, the prior art does not have a device for measuring the impulse of the gas impulse device, and the actual data of the impulse of the gas impulse device cannot be obtained.
In view of the foregoing, it is necessary to provide a new solution to the above-mentioned problems.
Disclosure of Invention
The invention aims to: the energy testing system and the energy testing method for the gas pushing device can effectively detect the pushing quantity of the gas pushing device and acquire actual pushing data of the gas pushing device.
In order to solve the above technical problem, the present application provides a gas thrust device energy measurement system, including: the device comprises a gas pushing device, a limiting rotating device, a weight bearing device, a gas cylinder for supplying gas to the gas pushing device and a rack with a table top; the table top is fixedly arranged on the upper part of the rack, and is higher than the ground by a certain distance; the gas pushing device and the weight bearing device are both fixedly arranged on the table top; the weight bearing device comprises a bearing chute for containing a bearing test weight; the limiting rotating device comprises a magnetic force suction hanger and a limiting rotating frame; the limiting rotating frame is rotationally connected with the rack; the limiting rotating frame is in a locking state or a free rotation state relative to the rack under the action of the suction or release of the magnetic force suction hanger; the limiting rotating frame in a locking state is matched with the gas pushing device to lock the test weight in the bearing chute; the gas pushing device is configured to push the test weight in the bearing chute away from the weight bearing device and enable the test weight to freely fall to the ground when the limiting rotating frame is in a free rotation state.
Preferably, the limiting rotating frame comprises a rotating limiting piece, a fixed rod, a first transmission rod, a second transmission rod and a magnetic suction plate; the first transmission rod is arranged in parallel with the fixed rod; the fixed rod is fixedly connected with the rack; the rotation limiting piece is rotationally connected with the fixed rod at a first position, and is rotationally connected with the first transmission rod at a second position; one end of the second transmission rod is fixedly connected with the first transmission rod, and the other end of the second transmission rod is fixedly connected with the magnetic attraction plate.
Preferably, the weight bearing device comprises a bearing frame and a sliding plate; the sliding plate is fixedly arranged on the upper part of the bearing frame; the bearing sliding chute is arranged at the upper part of the sliding plate; the bearing chute is adapted to the shape of the bottom of the test weight; the sliding plate is detachably and fixedly connected with the bearing frame.
Preferably, the test weight comprises a heavy object and a limiting body; the limiting body is fixedly arranged at one end of the heavy object.
Preferably, the weight bearing device further comprises a limiting cover for limiting the upper part of the test weight; the limiting cover is fixedly arranged on the upper part of the sliding plate; the limiting cover comprises a limiting cavity which is adaptive to the upper part of the test weight.
Preferably, the gas pushing device comprises a pushing bracket, a pushing piece and a positioning plate; the fixed end of the pushing piece is fixedly connected with the pushing support; the positioning plate is fixedly connected with the pushing bracket; the pushing member can be in a contracted state or an extended state; when the pushing piece is in a contracted state, the moving end of the pushing piece is positioned between the pushing bracket and the end part of the positioning plate; when the pushing piece is in an extension state, the moving end of the pushing piece extends out of the end part of the positioning plate.
Preferably, the gas pushing device further comprises a connecting pin shaft for fixing the pushing bracket and the positioning plate; the positioning plate comprises a plurality of fixing holes for position adjustment along the expansion and contraction direction of the pushing piece; the connecting pin shaft is adaptive to the size of the fixing hole; the connecting pin shaft is inserted into the fixing hole; the connecting pin shaft penetrates through the pushing bracket and the positioning plate at the same time.
Preferably, the gas pushing device further comprises a pushing member; the pushing piece is arranged between the movable end of the pushing piece and the end part of the positioning plate in a sliding manner.
Preferably, the number of the gas pushing devices is the same as the number of the pushing devices on the actual separation surface of the rocket.
According to another aspect of the present application, there is also provided a method for testing the energy of a gas thrust device, the method using the gas thrust device energy testing system for testing, including:
placing a test weight in the bearing chute;
the rotating limiting rotating frame is rotated, and the magnetic suction plate is attracted by the magnetic suction hanger, so that the test weight is locked in the bearing chute under the cooperation of the rotating limiting piece and the gas pushing device;
inflating the gas pushing devices by utilizing the gas cylinders until the pressure in each gas pushing device and the connecting pipeline thereof is balanced;
the magnetic force suction crane is regulated to a release state, so that the test weight is pushed out of the weight bearing device under the action of the gas pushing device and performs horizontal throwing movement at the end speed of the pushing stroke;
calculating the landing time according to the landing height of the test weight;
calculating the speed of the end of the pushing stroke of the test weight according to the horizontal falling distance of the test weight;
and calculating according to the speed of the end of the pushing stroke of the test weight to obtain the actual impulse of the gas pushing device.
Compared with the prior art, the application has the following beneficial effects:
1. the invention can effectively detect the impulse of the gas impulse device and acquire the actual impulse data of the gas impulse device.
2. According to the invention, the number of the gas pushing devices and the gas cylinders and the pressure in the corresponding gas paths can be set according to the actual separation condition of the rocket, and the simulation test is carried out on the actual rocket separation environment, so that the test result is closer to the actual rocket separation environment, and the test effect is good.
3. The limiting rotating device can lock the test weight in the test preparation stage and instantly release the test weight in the test, so that the test weight can be pushed out instantly better, and the accuracy of measurement and calculation of pushing data is further improved.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
FIG. 1 is a schematic overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the structure of the upper surface of the mesa in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a limiting and rotating device according to embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the structure of the gas thrust device, the weight bearing device and the weight in embodiment 1 of the present invention;
fig. 5 is a schematic view showing the structure of the gas thrust device, the weight bearing device and the weight in embodiment 2 of the present invention.
Wherein the above figures include the following reference numerals:
1. pipeline, 2, gas cylinder, 3, gas pushing device, 4, test weight, 5, weight bearing device, 6, spacing spiral frame, 7, rack, 8, magnetic force inhale the hanger, 9, mesa, 31, pushing support, 32, pushing piece, 33, connecting pin axle, 34, locating plate, 35, pushing piece, 41, heavy object, 42, spacing body, 51, bearing frame, 52, slide, 53, limit cover, 61, rotation limiting piece, 62, dead lever, 63, first transfer line, 64, magnetic suction plate, 65, second transfer line.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Example 1
As shown in fig. 1 and 2, the gas thrust device energy measurement system includes: the device comprises a gas pushing device 3, a limiting rotating device, a weight bearing device 5, a gas cylinder 2 and a bench 7 with a table top 9. The gas cylinder 2 is communicated with the gas pushing device 3 through a pipeline 1 and supplies gas to the gas pushing device 3. In addition, a plurality of valves are arranged on the pipeline 1 and used for controlling the gas path on-off between the gas cylinder 2 and the gas pushing device 3. The table top 9 is fixedly arranged on the upper part of the table frame 7, and the table top 9 is higher than the ground by a certain distance. The gas pushing device 3 and the weight bearing device 5 are both fixedly arranged on the table top 9. The weight-carrying means 5 comprise a carrying chute for receiving a carrying test weight 4. The limiting rotation device comprises a magnetic force suction hanger 8 and a limiting rotating frame 6, and the limiting rotating frame 6 is in rotary connection with the rack 7. The limiting rotating frame 6 is in a locking state or a free rotation state relative to the bench 7 under the action of the attraction or release of the magnetic attraction hanger 8, and the limiting rotating frame 6 in the locking state is matched with the gas pushing device 3 to lock the test weight 4 in the bearing chute. The gas pushing device 3 is configured to push the test weight 4 in the carrying chute away from the weight carrying device 5 and free-fall the test weight 4 to the ground when the limit swivel 6 is in a free-rotating state.
As an embodiment of the invention, the number of the gas pushing devices 3 is the same as that of the pushing devices on the actual rocket separating surface, and the arrangement can more accurately simulate and test the pushing effect of the pushing devices on the actual rocket separating surface, and can acquire pushing data closer to the actual rocket separating environment.
As shown in fig. 3, the limit knob 6 includes a rotation limiter 61, a fixed lever 62, a first transmission lever 63, a second transmission lever 65, and a magnetic attraction plate 64. The first transmission rod 63 is arranged in parallel with the fixed rod 62, the fixed rod 62 is fixedly connected with the rack 7, the rotation limiting piece 61 is rotatably connected with the fixed rod 62 at a first position, and the rotation limiting piece 61 is rotatably connected with the first transmission rod 63 at a second position. One end of the second transmission rod 65 is fixedly connected with the first transmission rod 63, and the other end of the second transmission rod 65 is fixedly connected with the magnetic attraction plate 64.
As shown in fig. 4 and referring to fig. 1, the test weight 4 includes a heavy object 41 and a limiting body 42, where the limiting body 42 is fixedly disposed at one end of the heavy object 41 and is used to abut against the rotation limiting member 61 of the limiting rotating frame 6, so that the rotation limiting member 61 can limit the test weight 4 in the bearing chute.
The weight bearing device 5 comprises a bearing frame 51 and a sliding plate 52, wherein the sliding plate 52 is fixedly arranged on the upper part of the bearing frame 51 and is detachably and fixedly connected with the bearing frame 51. The slide plate 52 can be replaced independently after being worn, so that the test cost is reduced. The bearing chute is arranged on the upper part of the sliding plate 52 and is formed by an arc-shaped groove on the upper surface of the sliding plate 52. The carrying chute is adapted to the bottom profile of the test weight 4 such that the test weight 4 can slide in a straight line in the carrying chute. In order to reduce the friction between the slide plate 52 and the test weight 4, the slide plate 52 is preferably made of a hard material having a small friction, and a self-lubricating polymer such as ultra-high molecular weight polyethylene may be used. In addition, the lubricant may be applied to the surface of the sliding plate 52 to reduce friction.
The gas pushing device 3 comprises a pushing support 31, a pushing piece 32 and a positioning plate 34, wherein the fixed end of the pushing piece 32 is fixedly connected with the pushing support 31, and the positioning plate 34 is fixedly connected with the pushing support 31. The pushing member 32 can be in a contracted state or an extended state, and when the pushing member 32 is in the contracted state, the moving end of the pushing member is positioned between the pushing bracket 31 and the end of the positioning plate 34; when the pushing member 32 is in the extended state, the moving end thereof extends out of the end of the positioning plate 34. This arrangement allows the pusher 32 to better push the test weight 4 away.
As another embodiment of the present invention, the positioning plate 34 includes a plurality of fixing holes (not shown) for position adjustment in the telescopic direction of the thrust punch 32. The connecting pin shaft 33 is matched with the size of the fixing hole, the connecting pin shaft 33 is inserted into the fixing hole, and the connecting pin shaft 33 simultaneously penetrates through the thrust bracket 31 and the positioning plate 34, so that the fixed thrust bracket 31 and the positioning plate 34 are fixedly connected in an inserting manner through the connecting pin shaft 33.
As another embodiment of the present invention, the gas pushing device 3 further includes a pushing member 35, where the pushing member 35 is slidably disposed between the moving end of the pushing member 32 and the end of the positioning plate 34, so as to fill the gap between the moving end of the pushing member 32 and the test weight 4 when the pushing member 32 is in the contracted state. By replacing the push-out member 35 of different sizes, the gap between the movable end of the push-out member 32 and the test weight 4 can be completely filled, and the test effect is improved.
According to another aspect of the present application, there is also provided a method for testing the energy of a gas thrust device, the method using the energy testing system of the gas thrust device for testing, including the steps of:
and S1, placing the test weight in the bearing chute.
S2, rotating the limiting rotating frame, and utilizing the magnetic force suction hanger to attract the magnetic suction plate, so that the test weight is locked in the bearing chute under the cooperation of the rotating limiting piece and the gas pushing device.
And S3, inflating the gas pushing devices by utilizing the gas cylinders until the pressure in each gas pushing device and the connecting pipeline thereof is balanced.
And S4, adjusting the magnetic force suction crane to a release state, so that the test weight is pushed out of the weight bearing device under the action of the gas pushing device, and performing horizontal throwing motion at the end speed of the pushing stroke.
And S5, calculating the landing time according to the landing height of the test weight.
And S6, calculating the speed of the end of the pushing stroke of the test weight according to the horizontal falling distance of the test weight.
And S7, calculating to obtain the impulse of the gas impulse device according to the speed of the end of the impulse stroke of the test weight.
Example 2
Example 2 is the same as example 1. The only difference is that, as shown in fig. 5 and referring to fig. 1, the weight carrying device 5 further includes a limiting cover 53 for limiting the upper portion of the test weight 4, and the limiting cover 53 is fixedly disposed on the upper portion of the slide plate 52. The limiting cover 53 comprises a limiting cavity (not shown) adapted to the upper portion of the test weight 4, and the direction of the limiting cavity is the same as the direction of the bearing chute, so that the test weight 4 can slide linearly along the limiting cavity. The limiting cavity and the bearing sliding groove together form an injection channel for the test weight 4.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The gas thrust device energy test system is characterized by comprising: the device comprises a gas pushing device (3), a limiting rotating device, a weight bearing device (5), a gas cylinder (2) for supplying gas to the gas pushing device (3) and a bench (7) with a bench surface (9); the table top (9) is fixedly arranged at the upper part of the table frame (7), and the table top (9) is higher than the ground by a certain distance; the gas pushing device (3) and the weight bearing device (5) are fixedly arranged on the table top (9); the weight bearing device (5) comprises a bearing chute for containing and bearing the test weight (4); the limiting rotation device comprises a magnetic force suction hanger (8) and a limiting rotating frame (6); the limiting rotating frame (6) is rotationally connected with the rack (7); the limiting rotating frame (6) is in a locking state or a free rotation state relative to the rack (7) under the action of the attraction or release of the magnetic attraction hanger (8), and the limiting rotating frame (6) in the locking state is matched with the gas pushing device (3) to lock the test weight (4) in the bearing chute; the gas pushing device (3) is configured to push the test weight (4) in the bearing chute away from the weight bearing device (5) and enable the test weight (4) to freely fall to the ground when the limit rotating frame (6) is in a free rotation state.
2. The gas thrust device energy measurement system of claim 1, wherein the limit swivel (6) comprises a rotational limit (61), a fixed rod (62), a first drive rod (63), a second drive rod (65) and a magnetic plate (64); the first transmission rod (63) is arranged in parallel with the fixed rod (62); the fixed rod (62) is fixedly connected with the rack (7); the rotation limiting piece (61) is rotatably connected with the fixed rod (62) at a first position, and the rotation limiting piece (61) is rotatably connected with the first transmission rod (63) at a second position; one end of the second transmission rod (65) is fixedly connected with the first transmission rod (63), and the other end of the second transmission rod (65) is fixedly connected with the magnetic attraction plate (64).
3. The gas thrust device energy measurement system of claim 1, wherein the weight bearing device (5) comprises a carrier (51) and a sled (52); the sliding plate (52) is fixedly arranged at the upper part of the bearing frame (51); the bearing sliding chute is arranged at the upper part of the sliding plate (52); the bearing chute is adapted to the bottom shape of the test weight (4); the sliding plate (52) is detachably and fixedly connected with the bearing frame (51).
4. A gas thrust device energy measurement system according to claim 3, characterized in that the test weight (4) comprises a heavy body (41) and a limiting body (42); the limiting body (42) is fixedly arranged at one end of the heavy object (41).
5. A gas thrust device energy testing system according to claim 3 or 4, characterized in that the weight carrying device (5) further comprises a limiting cap (53) for limiting the upper part of the test weight (4); the limiting cover (53) is fixedly arranged on the upper part of the sliding plate (52); the limiting cover (53) comprises a limiting cavity which is matched with the upper part of the test weight (4).
6. The gas thrust device energy measurement system of claim 1, wherein the gas thrust device (3) comprises a thrust bracket (31), a thrust piece (32) and a positioning plate (34); the fixed end of the pushing piece (32) is fixedly connected with the pushing bracket (31); the positioning plate (34) is fixedly connected with the pushing bracket (31); the thrust piece (32) can be in a contracted state or an extended state; when the pushing piece (32) is in a contracted state, the moving end of the pushing piece is positioned between the pushing bracket (31) and the end part of the positioning plate (34); when the pushing piece (32) is in an extension state, the moving end of the pushing piece extends out of the end part of the positioning plate (34).
7. The gas thrust device energy measurement system according to claim 6, characterized in that the gas thrust device (3) further comprises a connecting pin (33) for fixing the thrust bracket (31) with the positioning plate (34); the positioning plate (34) comprises a plurality of fixing holes for position adjustment along the telescopic direction of the pushing piece (32); the connecting pin shaft (33) is matched with the size of the fixing hole; the connecting pin shaft (33) is inserted into the fixing hole; the connecting pin shaft (33) penetrates through the pushing bracket (31) and the positioning plate (34) at the same time.
8. The gas thrust device energy measurement system according to claim 6 or 7, characterized in that the gas thrust device (3) further comprises a push-out member (35); the pushing piece (35) is arranged between the moving end of the pushing piece (32) and the end part of the positioning plate (34) in a sliding mode.
9. A gas thrust device energy measurement system according to claim 1, characterized in that the number of gas thrust devices (3) is the same as the number of thrust devices on the actual separation surface of the rocket.
10. A method of testing the energy of a gas thrust device, characterized in that the testing is performed by using the gas thrust device energy testing system according to any one of claims 1 to 9, comprising:
placing a test weight in the bearing chute;
the rotating limiting rotating frame is rotated, and the magnetic suction plate is attracted by the magnetic suction hanger, so that the test weight is locked in the bearing chute under the cooperation of the rotating limiting piece and the gas pushing device;
inflating the gas pushing devices by utilizing the gas cylinders until the pressure in each gas pushing device and the connecting pipeline thereof is balanced;
the magnetic force suction crane is regulated to a release state, so that the test weight is pushed out of the weight bearing device under the action of the gas pushing device and performs horizontal throwing movement at the end speed of the pushing stroke;
calculating the landing time according to the landing height of the test weight;
calculating the speed of the end of the pushing stroke of the test weight according to the horizontal falling distance of the test weight;
and calculating according to the speed of the end of the pushing stroke of the test weight to obtain the actual impulse of the gas pushing device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310223009.8A CN115931201B (en) | 2023-03-09 | 2023-03-09 | Energy measurement system and method for gas pushing device |
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| CN202310223009.8A CN115931201B (en) | 2023-03-09 | 2023-03-09 | Energy measurement system and method for gas pushing device |
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| CN115931201B true CN115931201B (en) | 2023-05-09 |
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| CN116086678B (en) * | 2023-04-10 | 2023-06-30 | 东方空间技术(山东)有限公司 | Energy testing system of gas pushing device |
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| CN115931201A (en) | 2023-04-07 |
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