A Reusable Airbag Buffer Landing Mechanism and Deep Space Probe

Abstract

The present invention provides a reusable airbag buffer landing mechanism and a deep space probe. The landing mechanism is characterized by comprising a main base (1), an airbag (2), support legs (3), and an inflation device (4). The main base (1) is the main board of the aircraft. The support legs (3) are fixedly installed on the main base (1). The airbag (2) is installed at the lower end of the support legs (3). The inflation device (4) is installed on the support legs (3). The airbag (2) has the function of reusable inflation and deflation. Before each landing, the airbag (2) is quickly inflated and deployed, and after landing, the airbag (2) gradually exhausts air. The present invention uses a reusable airbag to achieve repeated buffer landings of the probe, and has the advantages of reliable clamping and release, simple operation, convenient installation, good processing technology and economy. Furthermore, the present invention adopts a linkage mechanism combined with a buffer spring to assist in buffering, so as to enhance the stability of the airbag at the moment of landing and assist in buffer landing.

Description

Technical Field

[0001] The present invention relates to the field of deep space exploration, and particularly to a reusable airbag buffer landing mechanism and a deep space probe. Background Art

[0002] Currently, most small detectors for lunar surface exploration in the field of deep space exploration adopt a support leg type scheme. This scheme is heavy in mass, has strict requirements for the landing terrain, and the environment of the landing surface after landing will affect the secondary landing of the landing legs. Therefore, it is necessary to overcome the deficiencies existing in the above-mentioned landing leg type scheme. Summary of the Invention

[0003] Aiming at the complex problems of the lunar surface exploration detector in the field of deep space exploration that requires multiple landings and takeoffs, the present invention proposes a reusable airbag buffer landing mechanism, which is characterized by including: a main seat 1, an airbag 2, support legs 3, and an inflation device 4. The main seat 1 is the main board of the aircraft. The support legs 3 are fixedly installed on the main seat 1. The airbag 2 is installed at the lower end of the support legs 3. The inflation device 4 is installed on the support legs 3. The airbag 2 has the function of repeated inflation and deflation. Before each landing, the airbag 2 is quickly inflated and deployed, and after landing, the airbag 2 gradually exhausts air.

[0004] Furthermore, elastic ropes are fixed inside the airbag 2. After the airbag 2 has exhausted air, the airbag 2 will automatically retract.

[0005] Furthermore, the three support legs 3 are symmetrically distributed around the central axis of the main seat 1. There are three sets of airbags 2, and each set of airbags 2 has an independent inflation device 4.

[0006] Furthermore, multiple sets of link mechanisms are also installed on the support legs 3. The link mechanism includes a root link 5, a main link 6, a sliding link 7, an end link 8, a support plate 9, and a buffer spring 10.

[0007] One end of the root link 5 is installed below the support leg 3, and the other end is connected to one end of the sliding link 7. One end of the end link 8 is installed at one end of the sliding link 7, and the other end is connected to the outer interface of the support plate 9. One end of the main link 6 is installed above the support leg 3, passes through the sliding link 7 in the middle to form a moving pair with it, and the other end is connected to the inner interface of the support plate 9. The buffer spring 10 is installed at the upper end of the main link 6, and the lower end of the buffer spring 10 is installed in the slot of the sliding link 7.

[0008] When the airbag 2 is inflated and deployed, the support plate 9 acts on the airbag 2, and at this time, the buffer spring 10 is in a compressed state. When landing instantaneously, under the action of the buffer spring 10, the support plate 9 plays a role in assisting the buffer landing. After the soft landing and the airbag 2 has exhausted gas, the support plate 9 and the support legs 3 play a supporting role.

[0009] Furthermore, three sets of connecting rod mechanisms are evenly distributed on each supporting leg 3 .

[0010] Furthermore, at the moment of landing, the airbag 2 plays a role in cushioning soft landing by controlling the exhaust speed.

[0011] Furthermore, the root connecting rod 5 forms a hinge connection with the bottom of the supporting leg 3 and the sliding connecting rod 7, the end connecting rod 8 forms a hinge connection with the sliding connecting rod 7 and the outer interface of the supporting plate 9, and the main connecting rod 6 forms a hinge connection with the top of the supporting leg 3 and the inner interface of the supporting plate 9.

[0012] Furthermore, when the detector is flying, the airbag 2 is stored at the lower end of the auxiliary support leg 3, and the support plate 9 is in a closed state under the action of the buffer spring 10 to protect the folded airbag 2.

[0013] The present invention also provides a deep space probe, characterized in that it has the above-mentioned reusable airbag cushioning landing mechanism.

[0014] Furthermore, the deep space exploration is lunar exploration.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention uses a reusable airbag to achieve repeated multiple buffered landings of the detector, and has the advantages of reliable compression and release, simple operation, convenient installation, good processing technology and economy, etc. The present invention further uses a connecting rod mechanism combined with a buffer spring to assist in buffering, thereby enhancing the stability of the airbag landing moment and assisting in buffered landing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of a component of a reusable airbag cushioning landing mechanism provided by the present invention;

[0018] Figure 2 A diagram showing the suspension state of a reusable airbag cushioning landing mechanism provided by the present invention;

[0019] Figure 3 A diagram of a reusable airbag cushioning landing mechanism provided by the present invention in a state of about to land;

[0020] Figure 4 A diagram of the landing state of a reusable airbag cushioning landing mechanism provided by the present invention.

[0021] Description of reference numerals:

[0022] 1. Main base 2. Airbag 3. Support legs

[0023] 4. Inflator 5. Root connecting rod 6. Main connecting rod

[0024] 7. Sliding link 8. End link 9. Support plate

[0025] 10. Buffer spring 11. Connecting pin A Detailed implementation mode

[0026] To make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation mode of the present invention in detail with reference to the accompanying drawings.

[0027] The inventors have developed a technical solution using a reusable buffer landing airbag to meet the requirements of multiple landings of the detector. In this technical solution, three sets of reusable airbags are used to meet the functional requirements of multiple landings.

[0028] Figure 1 It is a schematic diagram of the components of a reusable airbag buffer landing mechanism provided by the present invention. Please refer to Figure 1 , the reusable airbag buffer landing mechanism of the present invention includes: main seat 1, airbag 2, support leg 3, inflation device 4, root link 5, main link 6, sliding link 7, end link 8, support plate 9, buffer spring 10, connecting pin A11.

[0029] The main seat 1 is the main board of the aircraft, the installation base of various detection instruments, nozzles and fuel tanks, and also the installation base of the support mechanism.

[0030] The support legs 3 are installed and fixed on the side of the main seat 1, and preferably three are evenly distributed in a central symmetry relative to the central axis of the main seat 1.

[0031] The airbag 2 is installed at the lower end of the support leg 3. The airbag 2 has the function of reusable inflation and deflation. At the moment of landing, the airbag 2 plays a role in buffering the soft landing by controlling the exhaust speed. An elastic rope is fixed inside the airbag 2. The inflation device 4 is installed above the support leg 3. Preferably, each set of airbag 2 has an independent inflation device 4.

[0032] Multiple sets of link mechanisms are also installed on the support legs 3. The link mechanisms are composed of root links 5, main links 6, sliding links 7, end links 8, support plates 9, buffer springs 10 and multiple connecting pins A11. Preferably, three sets of link mechanisms are evenly distributed on the support legs 3.

[0033] One end of the root link 5 is installed under the support leg 3 to form a hinge connection, and the connecting pin A11 is installed. The other end is connected to one end of the sliding link 7 to form a hinge connection, and the connecting pin A11 is installed. One end of the end link 8 is installed at one end of the sliding link 7 to form a hinge connection, and the connecting pin A11 is installed. The other end is connected to the outer interface of the support plate 9 to form a hinge connection, and the connecting pin A11 is installed. One end of the main link 6 is installed above the support leg 3 to form a hinge connection, and the connecting pin A11 is installed. It passes through the sliding link 7 in the middle to form a moving pair, and the other end is connected to the inner interface of the support plate 9 to form a hinge connection, and the connecting pin A11 is installed.

[0034] The buffer spring 10 is installed at the upper end of the main link 6, and the lower end of the buffer spring 10 is installed in the groove of the sliding link 7. When the airbag 2 is inflated and deployed, the support plate 9 acts on the airbag 2. At this time, the buffer spring 10 is in a compressed state; when landing instantaneously, the support plate 9 plays a role in assisting the buffer landing under the action of the buffer spring 10.

[0035] The principle of the present invention is as follows: The reusable airbag buffer landing mechanism of the detector carries three sets of reusable airbags. Before each landing, the airbag 2 is quickly inflated and deployed; at the moment of landing, the airbag 2 exhausts gas and combines with the buffer mechanism to achieve a soft landing, and after landing, the airbag 2 gradually exhausts gas. Since an elastic rope is fixed inside the airbag 2, after the airbag 2 finishes exhausting gas, the airbag 2 will automatically retract. Thus, the present invention realizes a soft landing by exhausting gas from the airbag, and further can utilize the reusable airbag to achieve multiple landings.

[0036] The working process of the reusable airbag buffer landing mechanism provided by the present invention is specifically as follows:

[0037] Figure 2 This is a suspension state diagram of a reusable airbag buffer landing mechanism provided by the present invention. As Figure 2 shown, when the detector is flying, the three sets of airbags 2 are stored at the lower ends of the three auxiliary support legs 3. The support plate 9 is in a closed state under the action of the buffer spring 10 to protect the retracted airbag 2, and the nozzle engine controls the flight trajectory of the detector.

[0038] Figure 3 This is a diagram of the state of a reusable airbag buffer landing mechanism provided by the present invention when it is about to land. As Figure 3 shown, after the detector flies to a predetermined height, the nozzle engine is turned off, the reusable airbag 2 is inflated and deployed, and at the same time, the support plate 9 is driven to unfold, and the buffer spring 10 is compressed, preparing for landing.

[0039] Figure 4 This is a diagram of the completed landing state of a reusable airbag buffer landing mechanism provided by the present invention. As Figure 4As shown in the figure, the exhaust port of the airbag 2 opens for exhaust at the set pressure value at the moment when the detector lands, and the airbag 2 exhausts in real time to achieve the soft landing of the detector; after the soft landing, the gas in the airbag 2 is exhausted, and the support plate 9 and the support leg 3 play a supporting role.

[0040] In summary, the reusable airbag buffer landing mechanism provided by the present invention is a multi-buffer landing mechanism. Its principle is that before landing, the detector flies to a predetermined height, closes the nozzle engine, and the buffer airbag 2 inflates and unfolds to achieve the buffer landing of the airbag 2. The present invention has the advantages of reliable buffering, simple operation, convenient installation, good processing technology and economy.

[0041] The reusable airbag buffer landing mechanism provided by the present invention can be used for the detector in the deep space exploration field to buffer land on the surface of the celestial body multiple times. In particular, the reusable airbag buffer landing mechanism of the present invention is a reusable airbag buffer landing mechanism designed for lunar exploration to achieve multiple landings, and can be used for the detector of lunar exploration.

[0042] The content not described in detail in the specification of the present invention belongs to the well-known technology in the art.

[0043] Although the present invention has been disclosed above with a preferred embodiment, it is not used to limit the present invention. Any person skilled in the art can make possible changes and modifications to the technical solution of the present invention by using the methods and technical contents disclosed above without departing from the spirit and scope of the present invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the technical solution of the present invention shall fall within the protection scope of the technical solution of the present invention.

Claims

1. A reusable airbag buffer landing mechanism, characterized in that Comprising: A main pedestal (1), an airbag (2), support legs (3), and an inflation device (4). The main pedestal (1) is the main board of the aircraft. The support legs (3) are installed and fixed on the main pedestal (1). The airbag (2) is installed at the lower end of the support legs (3). The inflation device (4) is installed on the support legs (3). The airbag (2) has the function of repeatable inflation and deflation. Before each landing, the airbag (2) is quickly inflated and deployed. After landing, the airbag (2) gradually exhausts air. Multiple sets of link mechanisms are also installed on the support legs (3). The link mechanisms include root links (5), main links (6), sliding links (7), end links (8), support plates (9), and buffer springs (10). One end of the root link (5) is installed below the support leg (3), and the other end is connected to one end of the sliding link (7). One end of the end link (8) is installed at one end of the sliding link (7), and the other end is connected to the outer interface of the support plate (9). One end of the main link (6) is installed above the support leg (3), passes through the sliding link (7) in the middle to form a moving pair, and the other end is connected to the inner interface of the support plate (9). The buffer spring (10) is installed at the upper end of the main link (6), and the lower end of the buffer spring (10) is installed in the groove of the sliding link (7). When the airbag (2) is inflated and deployed, the support plate (9) acts on the airbag (2). At this time, the buffer spring (10) is in a compressed state. At the moment of landing, under the action of the buffer spring (10), the support plate (9) plays a role in assisting in buffering the landing. After the soft landing, the gas in the airbag (2) is exhausted, and the support plate (9) and the support legs (3) play a supporting role.

2. The reusable airbag buffer landing mechanism according to claim 1, characterized in that Elastic ropes are fixed inside the airbag (2). After the airbag (2) exhausts air, the airbag (2) will automatically fold up.

3. The reusable airbag buffer landing mechanism according to claim 1, characterized in that, The support legs (3) are symmetrically distributed in three around the central axis of the main pedestal (1). There are three sets of airbags (2), and each set of airbags (2) has an independent inflation device (4).

4. The reusable airbag buffer landing mechanism according to claim 1, wherein Three sets of link mechanisms are evenly distributed on each support leg (3).

5. The reusable airbag buffer landing mechanism according to claim 1, characterized in that, At the moment of landing, the airbag (2) plays a role in buffering the soft landing by controlling the exhaust speed.

6. The reusable airbag buffer landing mechanism according to claim 1, characterized in that, The root link (5) forms a hinge connection with the lower part of the support leg (3) and the sliding link (7). The end link (8) forms a hinge connection with the sliding link (7) and the outer interface of the support plate (9). The main link (6) forms a hinge connection with the upper part of the support leg (3) and the inner interface of the support plate (9).

7. The reusable airbag buffer landing mechanism according to claim 1, characterized in that, During the flight of the detector, the airbag (2) is stored at the lower end of the auxiliary support leg (3). The support plate (9) is in a closed state under the action of the buffer spring (10) to protect the folded airbag (2).

8. A deep space probe, characterized in that, It has a reusable airbag buffer landing mechanism according to any one of claims 1 to 7.

9. The deep space probe according to claim 8, characterized in that, The deep space exploration is lunar exploration.

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