A motor-driven unlocking, jettisoning, and buffering landing mechanism and a detector for deep space exploration

Abstract

The present invention provides a motor-driven unlocking and jettisoning cushioned landing mechanism and a detector for deep space exploration. The landing mechanism is characterized in that it includes: a main base (1-1), a compression and jettisoning system (1-2), and multiple cushioning airbag systems (1-3). The main base (1-1) is the main support structure of the detector, and the cushioning airbag system (1-3) is installed below it. The compression and jettisoning system (1-2) includes support legs, and each cushioning airbag system (1-3) includes an airbag substrate (3-1), a traction ball socket (3-2), an inflating device (3-4), a folding airbag (3-5), and an airbag clamping plate (3-6). When unlocking, the unlocking motor (2-3) drives the traction pin (2-12), and the airbag is quickly inflated. When the detector takes off again, the constraint on the airbag substrate (3-1) is released, so that the airbag is jettisoned after landing. The present invention has the advantages of reliable compression and release, reliable cushioning landing and jettisoning, simple operation, convenient installation, good processing technology and economy.

Description

Technical Field

[0001] The present invention relates to the field of deep space exploration, and in particular to a motor-driven unlocking, jettisoning, and buffering landing mechanism and a detector for deep space exploration. Background Art

[0002] At present, most probes adopt the method of leg landing, that is, hard landing. According to the deep space exploration field, small probes are used for lunar surface exploration. The landing of the probe is planned to adopt a cushioning landing airbag solution. There is a requirement to take off and land again according to the mission requirements, and it is necessary to design a suitable landing mechanism that meets this requirement. Summary of the invention

[0003] Aiming at the complex problem that lunar exploration probes in the field of deep space exploration need multiple landings and takeoffs, the present invention provides a motor-driven unlocking and jettisoning buffer landing mechanism, which is characterized by comprising: a main base 1-1, a compression and jettisoning system 1-2, and multiple sets of buffer airbag systems 1-3. The main base 1-1 is the main support structure of the probe, and the buffer airbag system 1-3 is installed below it.

[0004] The clamping and throwing-off system 1-2 includes a support leg base 2-1 and support legs, wherein the support legs include a support leg A2-2 and a plurality of support legs B2-25, the support leg base 2-1 is mounted on the main base 1-1, and the support legs are all mounted on the support leg base 2-1, the support leg A2-2 is mounted with a traction pin 2-12, an unlocking pin A2-13, an unlocking spring A2-11, an unlocking motor 2-3 and an unlocking rope 2-4, the support leg B2-25 is mounted with an unlocking spring B2-23 and an unlocking pin B2-24, the unlocking pin A2-13 is clamped by the traction pin 2-12, one end of the unlocking rope 2-4 is mounted on the unlocking motor 2-3, and the other end is connected to the traction pin 2-12,

[0005] Each set of the cushioning airbag system 1-3 includes an airbag base plate 3-1, a traction ball socket 3-2, an inflation device 3-4, a folding airbag 3-5, an airbag clamping plate 3-6, and a steel ball roller B3-3. The traction ball socket 3-2 and the steel ball roller B3-3 are installed on the side plate of the airbag base plate 3-1. The airbag clamping plate 3-6 and the airbag base plate 3-1 compress the folding airbag 3-5, and the unlocking pin A2-13 presses the airbag clamping plate 3-6 into the groove of the multiple supporting legs B2-25. The inflation device 3-4 is installed on the airbag base plate 3-1 to inflate the folding airbag 3-5.

[0006] Each of the supporting legs is also equipped with a coil spring 2-6, a traction rope 2-8, a traction ball 2-9, an electromagnetic push-pull rod 2-16, a reset torsion spring 2-19, and a gripper 2-20. The traction ball 2-9 is placed in the traction ball socket 3-2.

[0007] When unlocking, the unlocking motor 2-3 drives the traction pin 2-12. After the traction pin 2-12 is pulled out, the unlocking pin A2-13 releases the pressure on the airbag clamping plate 3-6 under the action of the unlocking spring A2-11, and pushes the unlocking pin B2-24 to the groove where the airbag clamping plate 3-6 exits the multiple support legs B2-25 under the action of the unlocking spring B2-23. After unlocking, the traction rope 2-8 drives the traction ball 2-9 under the action of the coil spring 2-6, thereby pulling the airbag base plate 3-1 downward.

[0008] When the airbag base plate 3-1 moves down, the electromagnetic push-pull rod 2-16 is activated. At this time, the gripper 2-20 opens upward. When the airbag base plate 3-1 moves down to the gripper 2-20, the steel ball roller B3-3 is stuck in the groove of the gripper 2-20, and the airbag is inflated quickly.

[0009] When the probe takes off again, the electromagnetic push-pull rod 2-16 is activated to grasp 2-20, and the constraint on the airbag base plate 3-1 is removed to realize the airbag jettisoning after landing.

[0010] Furthermore, the folding airbag 3-5 includes a main airbag 3-7 and an auxiliary airbag 3-8 in a folded state. When the airbag substrate 3-1 moves down to the gripping position 2-20, the main airbag 3-7 and the auxiliary airbag 3-8 are quickly inflated. At the moment the probe lands, the main airbag 3-7 is exhausted at a set pressure, causing the probe to land cushioned. After landing, the auxiliary airbag 3-8 is not exhausted, playing a supporting role.

[0011] Furthermore, a pulley 2-10 is installed at the lower end of the supporting leg A2-2, and the middle part of the traction rope 2-8 slides on it to reduce friction. The traction ball 2-9 is located in the traction ball socket 3-2 before being unlocked. When thrown away, the traction ball 2-9 will break away from the traction ball socket 3-2.

[0012] Furthermore, the coil spring 2-6 is installed in the coil spring box 2-7, the coil spring box 2-7 is installed in the groove of the support leg A2-2, and the coil spring cover 2-5 is installed on the support leg A2-2, so that the coil spring 2-6 and the coil spring box 2-7 are fixed on the support leg A2-2 together.

[0013] Furthermore, one end of the traction rope 2-8 is fixed to the inner and outer sides of the spring box 2-7, and the other end is divided into multiple strands of rope to connect and fix multiple traction balls 2-9, which correspond to multiple sets of cushioning airbag systems 1-3 respectively; the unlocking rope 2-4 driven by the unlocking motor 2-3 is divided into multiple groups, each group has two ropes of equal length, and the length of each group of unlocking ropes 2-4 needs to be designed to correspond to multiple groups of traction pins 2-12 respectively.

[0014] Furthermore, the electromagnetic push-pull rods 2-16 are installed on the inner side of the lower end of the support leg, and two are installed on each support leg.

[0015] Furthermore, a push-pull seat 2-18 is installed at the end of the electromagnetic push-pull rod 2-16, and a steel ball roller A2-17 is installed on the push-pull seat 2-18 to reduce the friction when the push-pull seat 2-18 moves back and forth. The reset torsion spring 2-19, the gripper 2-20 and the gripper bearing 2-21 are installed together on the axis of the push-pull seat 2-18. Under the action of the reset torsion spring 2-19, the gripper 2-20 opens upward.

[0016] Furthermore, the unlocking spring A2-11 is installed on the unlocking pin A2-13 and installed together inside the unlocking pin seat A2-14. A clamping plate 2-15 is further installed inside the side hole on the unlocking pin seat A2-14, which is used to clamp the traction pin 2-12 to prevent loosening during vibration. The unlocking pin seat A2-14 is installed on both sides of the supporting leg A2-2; the unlocking spring B2-23 and the unlocking pin B2-24 are installed together on the unlocking pin seat B2-22, and the unlocking pin seat B2-22 is installed on both sides of the supporting leg B2-25.

[0017] Furthermore, the multiple sets of cushioning airbag systems 1-3 are three sets to achieve three cushioning landings, and the multiple supporting legs B2-25 are two.

[0018] The present invention also provides a probe for deep space exploration, which uses the motor-driven unlocking, jettisoning and buffering landing mechanism described in any one of claims 1 to 9.

[0019] The invention has the advantages of reliable clamping and releasing, reliable cushioning landing and throwing away, simple operation, convenient installation, good processing technology and economy, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the components of the motor-driven unlocking and jettisoning cushioned landing mechanism of the present invention.

[0021] Figure 2 It is a disassembled diagram of the compaction and ejection system of the present invention.

[0022] Figure 3 This is a disassembled diagram of the cushioning airbag system of the present invention.

[0023] Figure 4 This is a diagram of the hovering state of the probe before landing that has the motor-driven unlocking and jettisoning cushioning landing mechanism of the present invention.

[0024] Figure 5 The diagram is a state diagram of the main and auxiliary air bags being inflated and deployed when the probe having the motor-driven unlocking and jettisoning cushioning landing mechanism of the present invention is about to land.

[0025] Figure 6The diagram is a stable state diagram of the probe after the main airbag of the probe with the motor-driven unlocking and jettisoning cushioning landing mechanism of the present invention has been exhausted after landing.

[0026] Figure 7 This is a diagram of the buffer airbag being jettisoned after the probe with the motor-driven unlocking and jettisoning buffer landing mechanism of the present invention takes off again.

[0027] Description of reference numerals:

[0028] 1-1: Main base; 1-2: Compression and ejection system; 1-3: Buffer airbag system; 2-1: Support leg base plate; 2-2: Support leg A; 2-3: Unlocking motor; 2-4: Unlocking rope; 2-5: Coil spring cover; 2-6: Coil spring; 2-7: Coil spring box; 2-8: Traction rope; 2-9: Traction ball; 2-10: Pulley; 2-11: Unlocking spring; 2-12: Traction pin; 2-13: Unlocking pin; 2-14: Unlocking pin seat A; 2-15: Compression sheet; 2-16: Electromagnetic push-pull rod; 2-17: steel ball roller A; 2-18: push-pull seat; 2-19: reset torsion spring; 2-20: grab; 2-21: grab bearing; 2-22: unlocking pin seat B; 2-23: unlocking spring B; 2-24: unlocking pin B; 2-25: supporting leg B; 3-1: airbag base plate; 3-2: traction ball socket; 3-3: steel ball roller B; 3-4: inflation device; 3-5: folding airbag; 3-6: airbag clamping plate; 3-7: main airbag; 3-8: auxiliary airbag. DETAILED DESCRIPTION

[0029] To make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0030] The motor-driven unlocking and jettisoning cushioned landing mechanism of the present invention is a mechanism that can jettison airbag cushioned landing designed for multiple landings in lunar exploration. Based on the requirements of multiple landings of the probe, the inventor of the present invention proposed a jettisonable cushioned landing airbag solution. The mechanism uses three sets of airbag systems to meet the three landing requirements. The airbag system used after each landing can be completely jettisoned at the next takeoff. In addition, the present invention uses a motor drive to unlock the compression airbag, and each set of airbags has an independent inflation device. In addition, the present invention uses an electromagnetic push-pull rod and a coil spring mechanism to achieve the downward locking of a single set of airbags and the jettisoning after takeoff. Thus, a motor-driven unlocking and jettisoning cushioned landing mechanism is obtained.

[0031] Specifically, the motor-driven unlocking and throwing away cushioned landing mechanism of the present invention mainly includes a supporting base plate, an unlocking and throwing away system and an airbag system. Figure 1 This is a schematic diagram of the components of the motor-driven unlocking and release cushioning landing mechanism of the present invention. Figure 1As shown, the motor-driven unlocking, jettisoning and cushioned landing mechanism of the present invention includes a main base 1-1, a compression jettisoning system 1-2 and a cushioning airbag system 1-3. The main base 1-1 is the main support structure of the detector, on which are various detection instruments and nozzle mounting bases, and the cushioning airbag system 1-3 is installed below. When the detector flies to a predetermined height before landing, the cushioning airbag system 1-3 is unlocked, inflated and deployed to achieve airbag landing. When the mission is completed and the detector takes off for the second time, the first set of landing airbag systems is jettisoned, and the second landing repeats the process of the first landing.

[0032] Figure 2 FIG. 2 is a diagram of the disassembled state of the compaction and ejection system of the present invention. Figure 2 As shown, the compression and throwing system 1-2 of the present invention includes a supporting leg base plate 2-1, a supporting leg A2-2, an unlocking motor 2-3, an unlocking rope 2-4, a coil spring cover 2-5, a coil spring 2-6, a coil spring box 2-7, a traction rope 2-8, a traction ball 2-9, a pulley 2-10, an unlocking spring A2-11, a traction pin 2-12, an unlocking pin A2-13, an unlocking pin seat A2-14, a compression plate 2-15, an electromagnetic push-pull rod 2-16, a steel ball roller A2-17, a push-pull seat 2-18, a reset torsion spring 2-19, a gripper 2-20, a gripper bearing 2-21, an unlocking pin seat B2-22, an unlocking spring B2-23, an unlocking pin B2-24, and a supporting leg B2-25.

[0033] The support leg base plate 2-1 is installed on the main base 1-1, and the support leg A2-2 and the support leg B2-25 are both installed on the support leg base plate 2-1. The unlocking motor 2-3 is installed on the support leg A2-2. One end of the unlocking rope 2-4 is installed on the unlocking motor 2-3, and the other end is connected to the traction pin 2-12. There are six unlocking ropes 2-4 divided into three categories, and the same length is the same, that is, there are six unlocking ropes 2-4 of three lengths. The coil spring cover 2-5 is installed on the support leg A2-2, and the coil spring 2-6 and the coil spring box 2-7 are fixed to the support leg A2-2 together. The coil spring 2-6 is installed in the coil spring box 2-7, and the coil spring box 2-7 is installed in the groove of the support leg A2-2. One end of the traction rope 2-8 is fixed to the inner and outer sides of the coil spring box 2-7, and the other end is divided into three strands of rope and connected to the fixed traction ball 2-9 respectively. The pulley 2-10 is installed at the lower end of the supporting leg A2-2, and the middle part of the traction rope 2-8 slides on it to reduce friction.

[0034] The unlocking spring A2-11 is installed on the unlocking pin A2-13 and installed together inside the unlocking pin seat A2-14, and the pressing sheet 2-15 is installed inside the side hole on the unlocking pin seat A2-14. The unlocking pin seat A2-14 is installed on both sides of the supporting leg A2-2.

[0035] The electromagnetic push-pull rod 2-16 is installed on the inner side of the lower end of the support leg A2-2 and the support leg B2-25, and two are installed on each support leg. The push-pull seat 2-18 is installed at the end of the electromagnetic push-pull rod 2-16. The push-pull seat 2-18 is installed with the steel ball roller A2-17, which is used to reduce the friction when the push-pull seat 2-18 moves back and forth. The reset torsion spring 2-19, the gripping claw 2-20 and the gripping claw bearing 2-21 are installed together on the shaft of the push-pull seat 2-18, and the gripping claw 2-20 opens upward under the action of the reset torsion spring 2-19. The unlocking pin seat B2-22 is installed on both sides of the support leg B2-25. The unlocking spring B2-23 and the unlocking pin B2-24 are installed together on the unlocking pin seat B2-22.

[0036] Figure 3 FIG. 2 is a disassembled diagram of the cushioning airbag system of the present invention. Figure 3 As shown, the cushioning airbag system 1-3 of the present invention includes: an airbag base plate 3-1, a traction ball socket 3-2, a steel ball roller B3-3, an inflation device 3-4, a folding airbag 3-5, an airbag clamping plate 3-6, a main airbag 3-7, and an auxiliary airbag 3-8.

[0037] The cushioning airbag system 1-3 includes: an airbag base plate 3-1, a traction ball socket 3-2, a steel ball roller B3-3, an inflator 3-4, a folding airbag 3-5, an airbag pressing plate 3-6, a main airbag 3-7, and an auxiliary airbag 3-8. The airbag base plate 3-1 is used to fix the folding airbag 3-5. The folding airbag 3-5 includes a main airbag 3-7 and an auxiliary airbag 3-8 in a folded state.

[0038] The traction ball socket 3-2 is mounted on the side plate of the airbag base plate 3-1. The inflator 3-4 is mounted on the airbag base plate 3-1 and is used to inflate the main airbag 3-7 and the auxiliary airbag 3-8.

[0039] There are three sets of cushioned landing airbags, which can achieve three cushioned landings.

[0040] The three sets of cushioning landing airbags are respectively pressed by the airbag pressing plate 3-6 and the airbag base plate 3-1 to press the folded airbags 3-5, and the unlocking pin A2-13 on the support leg A2-2 presses the airbag pressing plate 3-6 into the grooves of the two support legs B2-25, and the unlocking pin A2-13 is pressed by the traction pin 2-12. Each set of airbags is equipped with a set of two unlocking pins A2-13 and a traction pin 2-12. The extraction of the traction pin 2-12 is driven by the unlocking motor 2-3. The pressing plate 2-15 is used to press the traction pin 2-12 to prevent loosening during vibration. The unlocking rope 2-4 driven by the unlocking motor 2-3 is divided into three groups, each group has two and equal lengths, and the length of each group of unlocking ropes 2-4 needs to be designed to correspond to multiple groups of traction pins 2-12, thereby unlocking multiple groups of airbags.

[0041] The unlocking process of the airbag clamping plate 3-6 is as follows: the unlocking motor 2-3 drives the traction pin 2-12. After the traction pin 2-12 is pulled out, the unlocking pin A2-13 releases the compression of the airbag clamping plate 3-6 under the action of the unlocking spring A2-11. Then, under the action of the unlocking spring B2-23, the unlocking pin B2-24 is pushed to the groove of the airbag clamping plate 3-6 to exit the two supporting legs B2-25. After the airbag clamping plate 3-6 is unlocked; under the action of the coil spring 2-6, the traction rope 2-8 drives the traction ball 2-9 to pull the airbag base plate 3-1 downward.

[0042] When the airbag base plate 3-1 moves down, the electromagnetic push-pull rod 2-16 is activated, and the gripper 2-20 opens upward. When the airbag base plate 3-1 moves down to the gripper 2-20, the steel ball roller B3-3 is stuck in the groove of the gripper 2-20, and the main airbag 3-7 and the auxiliary airbag 3-8 are inflated quickly.

[0043] At the moment of landing of the probe, the main airbag 3-7 is exhausted at the set pressure, causing the probe to land with a cushion. After landing, the auxiliary airbag 3-8 is not exhausted, playing a supporting role.

[0044] When the probe takes off again, the electromagnetic push-pull rod 2-16 is activated to the gripping 2-20, and the constraint on the airbag base plate 3-1 is released to realize the airbag jettisoning after landing. The traction ball 2-9 is located in the traction ball socket 3-2 before being unlocked. When jettisoning, the airbag pressing plate 3-6 moves down past the gripping 2-20, and the traction ball 2-9 will be separated from the traction ball socket 3-2.

[0045] The motor-driven unlocking, jettisoning and buffering landing mechanism of the present invention can be used in a detector product for deep space exploration. The specific working process of a deep space exploration detector having the motor-driven unlocking, jettisoning and buffering landing mechanism provided by the present invention is as follows:

[0046] Figure 4 The figure is a hovering state diagram of a probe with the motor-driven unlocking and throwing-off cushioning landing mechanism of the present invention before landing. Figure 4 As shown, when the probe is flying, three sets of airbags are stored and pressed tightly against the bottom of the probe, and the flight trajectory of the probe is controlled by the nozzle engine.

[0047] Figure 5 The main and auxiliary airbags are inflated and deployed when the probe with the motor-driven unlocking and throwing away cushioning landing mechanism of the present invention is about to land. Figure 5 As shown, after the probe flies to a predetermined height, the nozzle engine is shut down, and the first set of airbags is unlocked, inflated, deployed, and locked at the lower end of the probe, ready for landing.

[0048] Figure 6 This is a stable state diagram of the detector after the main airbag of the detector with the motor-driven unlocking and release cushioning landing mechanism of the present invention has been exhausted after landing. Figure 6 As shown, at the moment of landing of the probe, the exhaust port of the main airbag 3-7 opens to exhaust at a set pressure value, and the main airbag 3-7 is exhausted in real time to achieve a soft landing of the probe; after the soft landing, the gas of the main airbag 3-7 is completely exhausted, and the auxiliary airbag 3-8 inside it is not exhausted, which plays a role in supporting the probe.

[0049] Figure 7 This is a diagram of the airbag being jettisoned after the probe with the motor-driven unlocking and jettisoning buffer landing mechanism of the present invention takes off again. Figure 7 As shown, after the detector completes the detection mission, the used airbag is unlocked, the nozzle of the detector is started, the detector takes off, and the used airbag is jettisoned.

[0050] In summary, the present invention provides a motor-driven unlocking and jettisoning cushioning landing mechanism, which is an airbag cushioning landing mechanism that can be jettisoned multiple times; its principle is: the probe carries three sets of airbags, and before each landing, the compressed airbags are unlocked, and the airbags are quickly inflated and deployed; at the moment of landing, the main airbags 3-7 are exhausted to achieve a soft landing, and the auxiliary airbags 3-8 are not exhausted to play an auxiliary supporting role, and when the probe takes off again, the airbags used for landing can be jettisoned; the present invention has the advantages of reliable cushioning and jettisoning, simple operation, convenient installation, good processing technology and economy, etc.

[0051] The motor-driven unlocking, jettisoning and buffered landing mechanism provided by the present invention is used for multiple buffered landings of detectors on the surface of celestial bodies in the field of deep space exploration.

[0052] The contents not described in detail in the specification of the present invention belong to the common knowledge of those skilled in the art.

[0053] Although the present invention has been disclosed as above in the form of a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art may 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 simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall fall within the protection scope of the technical solution of the present invention.

Claims

1. A motor-driven unlocking and throw-away cushioning landing mechanism, characterized in that: include: A mainframe (1-1), a compression and ejection system (1-2), and multiple sets of cushioning airbag systems (1-3), wherein the mainframe (1-1) is a main supporting structure of the detector, and the cushioning airbag system (1-3) is installed below the mainframe. The clamping and throwing-off system (1-2) comprises a support leg base (2-1) and support legs, wherein the support legs comprise a support leg A (2-2) and a plurality of support legs B (2-25), the support leg base (2-1) is mounted on the main frame (1-1), and the support legs are all mounted on the support leg base (2-1), the support leg A (2-2) is mounted with a traction pin (2-12), an unlocking pin A (2-13), an unlocking spring A (2-11), an unlocking motor (2-3) and an unlocking rope (2-4), the support leg B (2-25) is mounted with an unlocking spring B (2-23) and an unlocking pin B (2-24), the unlocking pin A (2-13) is clamped by the traction pin (2-12), one end of the unlocking rope (2-4) is mounted on the unlocking motor (2-3), and the other end is connected to the traction pin (2-12), Each set of the cushioning airbag system (1-3) comprises an airbag base plate (3-1), a traction ball socket (3-2), an inflation device (3-4), a folding airbag (3-5), an airbag pressing plate (3-6), and a steel ball roller B (3-3). The traction ball socket (3-2) and the steel ball roller B (3-3) are mounted on the side plate of the airbag base plate (3-1). The airbag pressing plate (3-6) and the airbag base plate (3-1) press the folding airbag (3-5), and the unlocking pin A (2-13) presses the airbag pressing plate (3-6) into the groove of the plurality of supporting legs B (2-25). The inflation device (3-4) is mounted on the airbag base plate (3-1) and is used to inflate the folding airbag (3-5). Each of the supporting legs is also equipped with a coil spring (2-6), a traction rope (2-8), a traction ball (2-9), an electromagnetic push-pull rod (2-16), a reset torsion spring (2-19), and a gripper (2-20); the traction ball (2-9) is placed in the traction ball socket (3-2). When unlocking, the unlocking motor (2-3) drives the traction pin (2-12). After the traction pin (2-12) is pulled out, the unlocking pin A (2-13) releases the pressure on the airbag pressing plate (3-6) under the action of the unlocking spring A (2-11). Under the action of the unlocking spring B (2-23), the unlocking pin B (2-24) is pushed to the groove where the airbag pressing plate (3-6) exits the plurality of supporting legs B (2-25). After unlocking, under the action of the coil spring (2-6), the traction rope (2-8) drives the traction ball (2-9) to pull the airbag base plate (3-1) downward. When the airbag base plate (3-1) moves downward, the electromagnetic push-pull rod (2-16) is activated, and the gripping (2-20) opens upward. When the airbag base plate (3-1) moves downward to the gripping (2-20), the steel ball roller B (3-3) is inserted into the gripping (2-20) groove, and the airbag is inflated quickly. When the probe takes off again, the electromagnetic push-pull rod (2-16) is activated to grasp (2-20), and then the constraint on the airbag base plate (3-1) is released, so that the airbag is jettisoned after landing.

2. The motor-driven unlocking and throw-away cushioning landing mechanism according to claim 1, characterized in that: The folding airbag (3-5) comprises a main airbag (3-7) and an auxiliary airbag (3-8) in a folded state. When the airbag base plate (3-1) moves down to the grasping position (2-20), the main airbag (3-7) and the auxiliary airbag (3-8) are rapidly inflated. At the moment of landing of the probe, the main airbag (3-7) is exhausted at a set pressure, so that the probe can land in a cushioned manner. After landing, the auxiliary airbag (3-8) is not exhausted, so as to play a supporting role.

3. The motor-driven unlocking and release cushioning landing mechanism according to claim 1, characterized in that: A pulley (2-10) is installed at the lower end of the supporting leg A (2-2), and the middle part of the traction rope (2-8) slides on the pulley to reduce friction. The traction ball (2-9) is located in the traction ball socket (3-2) before being unlocked. When thrown away, the traction ball (2-9) will be separated from the traction ball socket (3-2).

4. The motor-driven unlocking, jettisoning and cushioning landing mechanism according to claim 1, characterized in that: The coil spring (2-6) is installed in a coil spring box (2-7), the coil spring box (2-7) is installed in a groove of the support leg A (2-2), the coil spring cover (2-5) is installed on the support leg A (2-2), and the coil spring (2-6) and the coil spring box (2-7) are fixed on the support leg A (2-2) together.

5. The motor-driven unlocking and throw-away cushioning landing mechanism according to claim 4, characterized in that: One end of the traction rope (2-8) is fixed to the inside and outside of the coil spring box (2-7), and the other end is divided into multiple strands of ropes respectively connected to and fixed to multiple traction balls (2-9), respectively corresponding to multiple sets of cushioning airbag systems (1-3); the unlocking ropes (2-4) driven by the unlocking motor (2-3) are divided into multiple groups, each group has two ropes of equal length, and the length of each group of unlocking ropes (2-4) needs to be designed to correspond to multiple groups of traction pins (2-12).

6. The motor-driven unlocking, jettisoning and cushioning landing mechanism according to claim 1, characterized in that: The electromagnetic push-pull rods (2-16) are installed on the inner side of the lower end of the support leg, and two are installed on each support leg.

7. The motor-driven unlocking, jettisoning and cushioning landing mechanism according to claim 1, characterized in that: A push-pull seat (2-18) is installed at the end of the electromagnetic push-pull rod (2-16), and a steel ball roller A (2-17) is installed on the push-pull seat (2-18) to reduce the friction when the push-pull seat (2-18) moves back and forth. A reset torsion spring (2-19), a gripper (2-20) and a gripper bearing (2-21) are installed together on the shaft of the push-pull seat (2-18), and under the action of the reset torsion spring (2-19), the gripper (2-20) opens upward.

8. The motor-driven unlocking, jettisoning and cushioning landing mechanism according to claim 1, characterized in that: The unlocking spring A (2-11) is installed on the unlocking pin A (2-13) and installed together inside the unlocking pin seat A (2-14). A pressing plate (2-15) is further installed inside the side hole on the unlocking pin seat A (2-14) for pressing the traction pin (2-12) to prevent loosening during vibration. The unlocking pin seat A (2-14) is installed on both sides of the supporting leg A (2-2); the unlocking spring B (2-23) and the unlocking pin B (2-24) are installed together on the unlocking pin seat B (2-22), and the unlocking pin seat B (2-22) is installed on both sides of the supporting leg B (2-25).

9. The motor-driven unlocking, jettisoning and cushioning landing mechanism according to claim 1, characterized in that: The plurality of cushioning airbag systems (1-3) are three sets to achieve three cushioning landings, and the plurality of supporting legs B (2-25) are two sets.

10. A probe for deep space exploration, which uses the motor-driven unlocking, jettisoning and buffering landing mechanism according to any one of claims 1 to 9.

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