Space locking and releasing device with self-locking function

Abstract

The utility model relates to the technical field of locking and releasing devices, and discloses a space locking and releasing device with a self-locking function, which is driven by a piezoelectric rotating motor, converts rotating motion into accurate linear displacement of an ejector rod through an efficient transmission mechanism, and completes locking and releasing of inspection quality between two locking and releasing mechanisms. The device can be locked in a power-off state by depending on the self-locking characteristics of the piezoelectric rotating motor and the transmission mechanism, so that the pretightening force is prevented from being loosened, and the long-term stability and safety are ensured. A vacuum sealing unit is further integrated, a piezoelectric rotating motor drives a corrugated pipe to stretch out and draw back, precise transmission of force and displacement is achieved, and meanwhile the vacuum sealing performance of the device is effectively guaranteed. The modular design enables the device to have the advantages of compact structure, fast response and stable operation, and the device supports repeated operation and does not introduce magnetic field interference.

Description

TECHNICAL FIELD

[0001] The utility model relates to locking release device technical field, especially a kind of space locking release device with self-locking function. BACKGROUND

[0002] Locking release mechanism is the key component in space exploration mission, mainly used to ensure the safety and stability of spacecraft payload in launch, on-orbit operation and recovery process. This kind of mechanism is responsible for accurately releasing payload or other equipment in each task stage, while ensuring the structural integrity and performance stability of the payload. Its design needs to combine advanced materials, precision mechanical technology and innovative driving mode to meet the requirements of high precision, high reliability and multi-task.

[0003] The current locking release mechanism is connected with the action component through push rod motor, and moves to lock or release by the extension and retraction of push rod motor. When push rod motor fails or is powered off, push rod motor retracts, causing the payload to be released without instruction, lacking stability and safety. SUMMARY

[0004] The utility model aims at providing a stable, safe space locking release device with self-locking function.

[0005] In order to achieve the above purpose, the utility model provides a space locking release device with self-locking function, which comprises two groups of locking release mechanisms arranged oppositely, the locking release mechanism comprises a movement assembly and a driving assembly, the driving assembly comprises a driving device, a driving rod and a transmission part, the driving rod is connected with the driving device, and the driving device drives the driving rod to rotate; the driving rod is provided with a threaded structure, the transmission part is threadedly connected with the driving rod, and the transmission part moves along the driving rod when the driving device drives the driving rod to rotate; the movement assembly is connected with the transmission part, and drives the transmission parts of the two groups of locking release mechanisms to move close to or away from each other.

[0006] As a preferred scheme, the driving rod is perpendicular to the moving direction of the movement assembly, the threaded structure comprises a left threaded segment and a right threaded segment, the screw directions of the left threaded segment and the right threaded segment are opposite, the transmission part comprises a left slider, a right slider and a load-bearing column, one end of the left slider is threadedly connected with the left threaded segment, the other end of the left slider is rotationally connected with the load-bearing column, one end of the right slider is threadedly connected with the right threaded segment, the other end of the right slider is rotationally connected with the load-bearing column, and the movement assembly is connected with the load-bearing column.

[0007] As a preferred scheme, the driving assembly further comprises a support frame, the support frame comprises a bottom plate, a first support plate and a second support plate, the first support plate and the second support plate are arranged in parallel and spaced apart on the bottom plate, the driving device is mounted on the first support plate, the driving rod is located between the first support plate and the second support plate, and one end of the driving rod is connected with the driving device through the first support plate, and the bottom plate is provided with a through hole, and the load-bearing column is located in the through hole.

[0008] As a preferred scheme, the driving assembly further comprises a guide rod, two ends of the guide rod are connected with the first support plate and the second support plate respectively, the guide rod is arranged in parallel with the driving rod, and guide holes are arranged on the left sliding block and the right sliding block, and the guide rod passes through the guide holes on the left sliding block and the right sliding block.

[0009] As a preferred scheme, the motion assembly comprises an adapter table and a plurality of jacks, the jacks are connected vertically on the adapter table, and the adapter table is connected with the transmission component.

[0010] As a preferred scheme, a plurality of mounting holes are arranged on the adapter table, the jacks are detachably inserted into the mounting holes, the jacks comprise a large-diameter section and a small-diameter section connected with each other, and the large-diameter section is connected with the adapter table.

[0011] As a preferred scheme, the driving device is a piezoelectric rotary motor.

[0012] As a preferred scheme, the locking and releasing mechanism further comprises a vacuum assembly, the vacuum assembly comprises a sealing sleeve and a sealing flange, the sealing flange is mounted at two ends of the sealing sleeve, the motion assembly is located inside the sealing sleeve, the driving assembly is located outside the sealing sleeve, and the transmission component is connected with the sealing flange in a sealing manner.

[0013] As a preferred scheme, the vacuum assembly further comprises a sealing mechanism, the sealing mechanism is located inside the sealing sleeve, the sealing mechanism comprises a sealing adapter plate, a first sealing pipe and a second sealing pipe, one end of the first sealing pipe is connected with the sealing flange, the other end of the first sealing pipe is connected with the sealing adapter plate, one end of the second sealing pipe is connected with the sealing adapter plate, the other end of the second sealing pipe is connected with the motion assembly, and the transmission component and the motion assembly are connected on two sides of the sealing adapter plate respectively.

[0014] As a preferred scheme, the first sealing pipe and the second sealing pipe are both corrugated pipes.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a locking release mechanism drives driving rod to rotate through driving equipment, and driving rod is equipped with screw structure, and transmission part is connected with driving rod screw, when driving rod rotates, transmission part moves along driving rod, thereby drives the movement of movement subassembly connected with transmission part, realizes the locking and release of load through the positive and negative direction movement of movement subassembly, the utility model discloses through the rotation is converted into linear motion, is favorable for saving the space of device and is occupied, and transmission part is connected with driving rod screw, not only can accurate control displacement, and make device have self -locking characteristic, can keep locking under the state of power failure, avoid the relaxation of pre -tightening force, ensure long -term stability and security. In addition, the driving equipment of the utility model adopts piezoelectric rotary motor, is favorable for overcoming the problem of thermal magnetic interference, complex structure and insufficient adaptability in the prior art, possesses realizing high -precision operation of no thermal magnetic interference. The locking release device of the utility model has high universality, can adapt to a plurality of space task demands, and has high reliability and multiple reuse ability, and has the advantage of keeping long -term stable working performance in vacuum environment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of locking release device of the utility model embodiment.

[0018] Figure 2 It is the structure schematic diagram of locking release device of the utility model embodiment when not installing sealing sleeve.

[0019] Figure 3 It is the structure schematic diagram of driving assembly of the utility model embodiment.

[0020] Figure 4 It is the structure schematic diagram of transmission part of the utility model embodiment.

[0021] Figure 5 It is the structure schematic diagram of driving rod of the utility model embodiment.

[0022] Figure 6 It is the first visual angle structure schematic diagram of movement subassembly of the utility model embodiment.

[0023] Figure 7 It is the second visual angle structure schematic diagram of movement subassembly of the utility model embodiment.

[0024] Figure 8 It is the structure schematic diagram of top rod of the utility model embodiment.

[0025] Figure 9 It is the structure schematic diagram of vacuum assembly of the utility model embodiment.

[0026] Figure 10 It is the first visual angle structure schematic diagram of sealing flange and sealing mechanism connection of the utility model embodiment.

[0027] Figure 11 is a second perspective view of the sealing flange and the sealing mechanism connected according to an embodiment of the utility model.

[0028] Figure 12 is a structural schematic view of the sealing mechanism according to an embodiment of the utility model.

[0029] Figure 13 is a sectional view of the sealing mechanism according to an embodiment of the utility model.

[0030] Figure 14 is a structural schematic view of the quality inspection according to an embodiment of the utility model.

[0031] In the figure, 1-drive device;2-drive rod;201-left threaded section;202-right threaded section;3-connection sleeve;4-left sliding block;5-right sliding block;6-bearing column;7-bottom plate;8-first branch plate;9-second branch plate;10-guide rod;11-pivot;12-adaptor;1201-mounting hole;13-top rod;1301-large diameter section;1302-small diameter section;14-connection flange;15-sealing sleeve;16-sealing flange;17-sealing adaptor;18-first sealing pipe;19-second sealing pipe;20-inspection quality;21-stiffening rib. DETAILED DESCRIPTION

[0032] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0033] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the utility model, it is necessary to explain that, unless otherwise expressly provided and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements, for the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0035] In addition, in the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise stated.

[0036] Embodiment one

[0037] As Figures 1 to 14 The utility model discloses a kind of space locking release devices with self-locking function, as shown in preferred embodiment of the utility model, including two groups of oppositely arranged locking release mechanism, locking release mechanism includes movement assembly and drive assembly, drive assembly includes driving device 1, drive rod 2 and transmission component, drive rod 2 is connected with driving device 1, driving device 1 drives drive rod 2 to rotate;Drive rod 2 is equipped with screw structure, transmission component is connected with drive rod 2 by screw thread, when driving device 1 drives drive rod 2 to rotate, transmission component moves along drive rod 2;Movement assembly is connected with transmission component, drives transmission component of two groups of locking release mechanism to be close to each other or away from each other.This embodiment of locking release mechanism drives drive rod 2 to rotate by driving device 1, drive rod 2 is equipped with screw structure, transmission component is connected with drive rod 2 by screw thread, when drive rod 2 rotates, transmission component moves along drive rod 2, to drive movement assembly connected with transmission component to move, realizes locking and release to load by the movement of movement assembly in positive and negative directions, this embodiment is converted into linear motion by rotation, it is favorable to save the space occupied by device, and transmission component is connected with drive rod 2 by screw thread, not only can accurately control displacement, and make device have self-locking characteristic, can keep locking under power-off state, avoid pre-tightening force relaxation, ensure long-term stability and safety.

[0038] Optionally, the driving device 1 of the embodiment is a piezoelectric rotary motor. The piezoelectric rotary motor uses piezoelectric material friction to drive the rotor to rotate, without ferromagnetic material, and does not introduce magnetic field interference, which is helpful to overcome the problems of thermal magnetic interference, complex structure and insufficient adaptability in the prior art, and has high-precision operation without thermal magnetic interference. The drive rod 2 is connected with the output shaft of the piezoelectric rotary motor through the connecting sleeve 3.

[0039] The locking release device of the embodiment is used to lock or release the load of 20 kg.

[0040] Embodiment two

[0041] The difference between the embodiment and the embodiment one is that the driving assembly and the moving assembly are further described based on the embodiment one.

[0042] In the embodiment, the driving rod 2 is perpendicular to the moving direction of the moving assembly, the threaded structure includes a left threaded segment 201 and a right threaded segment 202, the screw directions of the left threaded segment 201 and the right threaded segment 202 are opposite, the transmission component includes a left sliding block 4, a right sliding block 5 and a load-bearing column 6, one end of the left sliding block 4 is threadedly connected with the left threaded segment 201, the other end of the left sliding block 4 is rotationally connected with the load-bearing column 6, one end of the right sliding block 5 is threadedly connected with the right threaded segment 202, the other end of the right sliding block 5 is rotationally connected with the load-bearing column 6, and the moving assembly is connected with the load-bearing column 6. The threaded structure on the driving rod 2 of the embodiment is designed in two opposite parts, when the driving rod 2 rotates, the moving directions of the left sliding block 4 and the right sliding block 5 are opposite, thereby driving the load-bearing column 6 to move close to or away from the driving rod 2, and the linear motion of the load-bearing column 6 is realized.

[0043] In the embodiment, when locked, the rotor starts to rotate under the friction of the piezoelectric material after the driving device 1 is powered on, thereby driving the driving rod 2 to rotate synchronously, and since the driving rod 2 is designed with opposite threads, the left sliding block 4 and the right sliding block 5 threadedly matched with the driving rod 2 move in opposite directions. When the left sliding block 4 and the right sliding block 5 move close to the center, the load-bearing column 6 moves in the direction close to the test mass 20. When released, the driving device 1 reversely rotates, the driving rod 2 reversely rotates accordingly, the left sliding block 4 and the right sliding block 5 move in the direction away from the center of the driving rod 2, the load-bearing column 6 moves in the direction away from the test mass 20, the locking pressure is released, and the releasing is completed.

[0044] In addition, the driving assembly further includes a support frame, the support frame includes a bottom plate 7, a first support plate 8 and a second support plate 9, the first support plate 8 and the second support plate 9 are arranged in parallel and spaced apart on the bottom plate 7, the driving device 1 is installed on the first support plate 8, the driving rod 2 is located between the first support plate 8 and the second support plate 9, one end of the driving rod 2 passes through the first support plate 8 and is connected with the driving device 1, and the bottom plate 7 is provided with a through hole, and the load-bearing column 6 is located in the through hole.

[0045] Further, the driving assembly further includes a guide rod 10, both ends of the guide rod 10 are connected with the first support plate 8 and the second support plate 9 respectively, the guide rod 10 is arranged in parallel with the driving rod 2, the left sliding block 4 and the right sliding block 5 are provided with guide holes, and the guide rod 10 passes through the guide holes on the left sliding block 4 and the right sliding block 5. The guide rod 10 of the embodiment is provided as two, and the two guide rods 10 are arranged in parallel. The movement of the left sliding block 4 and the right sliding block 5 can be guided and limited through the guide rod 10.

[0046] The left slider 4 and the right slider 5 of the embodiment are Y-shaped structures, the top ends of the left slider 4 and the right slider 5 are respectively penetrated by two guide rods 10, the bottom of the left slider 4 and the right slider 5 are connected with the load-bearing column 6 through a pin shaft 11, the left slider 4 is provided with a first connecting hole, the right slider 5 is provided with a second connecting hole, the load-bearing column 6 is provided with a third connecting hole, and the pin shaft 11 penetrates the first connecting hole, the second connecting hole and the third connecting hole.

[0047] In addition, the motion assembly comprises an adapter table 12 and a plurality of top rods 13, the top rods 13 are vertically connected on the adapter table 12, and the adapter table 12 is connected with the transmission component. The adapter table 12 of the embodiment is connected with the load-bearing column 6, the end of the load-bearing column 6 away from the driving rod 2 is provided with a connecting flange 14, and the connecting flange 14 is connected with the adapter table 12 through bolts. A reinforcing rib 21 is arranged between the connecting flange 14 and the load-bearing column 6, so as to enhance the structural strength of the load-bearing column 6 and the connecting flange 14.

[0048] Further, a plurality of mounting holes 1201 are arranged on the adapter table 12, the top rods 13 are detachably inserted into the mounting holes 1201, the top rod 13 comprises a large-diameter section 1301 and a small-diameter section 1302 connected with each other, and the large-diameter section 1301 is connected with the adapter table 12. The mounting holes 1201 of the embodiment are divided into a plurality of groups, the distance from the mounting holes 1201 of each group to the center of the adapter table 12 is equal, and the mounting holes 1201 of each group are sequentially distributed from inside to outside, so that the position of the top rod 13 can be selected according to the size of the load (the test mass 20 is adopted in the embodiment). The top rod 13 is divided into the large-diameter section 1301 and the small-diameter section 1302, the large-diameter section 1301 is connected with the adapter table 12, which is conducive to stable connection, and the small-diameter section 1302 is in contact with the test mass 20, which is conducive to reducing the contact area.

[0049] The other structures of the embodiment are the same as those of the first embodiment, and will not be described here.

[0050] Embodiment three

[0051] The difference between the embodiment and the second embodiment is that the locking and releasing device of the embodiment further comprises a vacuum assembly on the basis of the second embodiment.

[0052] In the embodiment, the locking and releasing mechanism further comprises a vacuum assembly, the vacuum assembly comprises a sealing sleeve 15 and a sealing flange 16, the sealing flange 16 is arranged at both ends of the sealing sleeve 15, the movement assembly is arranged inside the sealing sleeve 15, the driving assembly is arranged outside the sealing sleeve 15, and the transmission component is sealingly and penetratingly connected with the sealing flange 16. The object to be locked and released (the test mass 20 in the embodiment) is arranged inside the sealing sleeve 15, and the driving mechanism is arranged outside the sealing sleeve 15, so that the influence of the driving mechanism on the locking and releasing can be reduced. The vacuum assembly realizes the isolation between the inside and outside of the device, effectively prevents air or impurities from entering the sealing sleeve 15, and ensures the stability of the device in orbit. In the embodiment, the sealing flange 16 is connected with the sealing sleeve 15 by welding. The bottom plate 7 of the driving assembly is connected with the sealing flange 16, and common modes such as buckles, screws and bolts can be selected.

[0053] The vacuum assembly of the embodiment further comprises a sealing mechanism arranged inside the sealing sleeve 15, the sealing mechanism comprises a sealing adapter plate 17, a first sealing pipe 18 and a second sealing pipe 19, one end of the first sealing pipe 18 is connected with the sealing flange 16, the other end of the first sealing pipe 18 is connected with the sealing adapter plate 17, one end of the second sealing pipe 19 is connected with the sealing adapter plate 17, the other end of the second sealing pipe 19 is connected with the movement assembly, and the transmission component and the movement assembly are respectively connected on both sides of the sealing adapter plate 17. In the embodiment, both sides of the sealing adapter plate 17 are connected with the connecting flange 14 of the load-bearing column 6 and the adapter table 12 of the top rod 13. By means of the first sealing pipe 18 and the second sealing pipe 19, the load-bearing column 6 is realized to be inserted into the sealing sleeve 15 and kept sealed. The sealing pipe can transmit certain deformation between the inside and outside of the sealing sleeve 15 while keeping sealed, and allows the force and displacement to be transmitted between the inside and outside of the sealing sleeve 15.

[0054] In the embodiment, the first sealing pipe 18 and the second sealing pipe 19 are both corrugated pipes. The deformation amount of the corrugated pipe is large. When locked, the load-bearing column 6 is inserted into the sealing sleeve 15, and the sealing adapter plate 17, the adapter table 12 and the top rod 13 connected therewith move synchronously, driving the first sealing pipe 18 and the second sealing pipe 19 to stretch and deform; when released, the load-bearing column 6 exits the sealing sleeve 15, driving the sealing adapter plate 17, the adapter table 12 and the top rod 13 to move away from the test mass 20 synchronously, and driving the first sealing pipe 18 and the second sealing pipe 19 to compress and deform.

[0055] The other structures of the embodiment are the same as those of the second embodiment, and will not be described here.

[0056] The working process of the utility model is: when locking, the driving device 1 works, drives the rotation of the driving rod 2, the left sliding block 4 and the right sliding block 5 are driven by the screw thread cooperation of the driving rod 2, move in the opposite direction on the driving rod 2, convert the rotation into the linear motion of the left sliding block 4 and the right sliding block 5. The left sliding block 4 and the right sliding block 5 are close to each other, the motion of the left sliding block 4 and the right sliding block 5 is transmitted to the load-bearing column 6, is converted into the linear motion of the load-bearing column 6, drives the load-bearing column 6. The load-bearing column 6 moves to the direction of extending into the sealing sleeve 15, the sealing adapter plate 17, the adapter platform 12 and the top rod 13 connected with it move, and the first sealing pipe 18 and the second sealing pipe 19 are stretched, so that the first sealing pipe 18 and the second sealing pipe 19 produce axial deformation. The top rod 13 of the two sets of locking release mechanisms approaches the inspection quality 20 until contact, and the locking action is completed. When releasing, the driving device 1 rotates in the opposite direction, drives the movement of the driving rod 2 in the opposite direction, and then drives the movement of the left sliding block 4 and the right sliding block 5 along the driving rod 2, the left sliding block 4 and the right sliding block 5 are far away from each other, drive the movement of the load-bearing column 6 to the direction of exiting the sealing sleeve 15, and then drive the top rod 13 to move away from the inspection quality 20, the deformation of the first sealing pipe 18 and the second sealing pipe 19 recovers, and each part resets, and the release is completed.

[0057] In conclusion, the space locking release device with self-locking function provided by the embodiments of the present application can rotate the driving rod 2 through the driving device 1, the driving rod 2 is provided with a threaded structure, the transmission component is threadedly connected with the driving rod 2, when the driving rod 2 rotates, the transmission component moves along the driving rod 2, thereby moving the movement assembly connected with the transmission component, the locking and releasing of the load are realized through the forward and reverse movement of the movement assembly, the rotation is converted into linear movement through the embodiments of the present application, which is beneficial to saving the space occupied by the device, the transmission component is threadedly connected with the driving rod 2, not only the displacement can be accurately controlled, but also the device has the self-locking characteristic, the locking can be maintained in the power-off state, the pre-tightening force is avoided to be relaxed, and the long-term stability and safety are ensured. In addition, the driving device 1 of the embodiments of the present application adopts the piezoelectric rotary motor, which is beneficial to overcoming the problems of thermal magnetic interference, complex structure and insufficient adaptability in the prior art, and has the high-precision operation without thermal magnetic interference. The locking release device has high universality, can adapt to various space task requirements, has high reliability and multiple reuse capability, and has the advantage of maintaining long-term stable working performance in a vacuum environment. The space locking release device can adapt to various space task requirements, has high universality and adaptability, can be reused multiple times, and has the advantage of maintaining long-term stable working performance in a vacuum environment. The piezoelectric rotary motor is adopted for driving, the rotary movement is converted into accurate linear displacement of the ejector rod 13 through the high-efficiency transmission mechanism, and the locking and releasing of the test mass 20 between the two locking release mechanisms are completed. The device can maintain locking in the power-off state, avoid pre-tightening force relaxation, ensure long-term stability and safety, and further integrate a vacuum sealing unit. The piezoelectric rotary motor drives the expansion and contraction movement of the bellows, realizes accurate transmission of force and displacement, and effectively guarantees the vacuum sealing performance of the device. The modular design makes the device have the advantages of compact structure, rapid response, stable operation, supports repeated operation and does not introduce magnetic field interference. The present application is suitable for aerospace, deep space exploration, precision mechanical manufacturing and other high reliability requirements and special environments, such as vacuum, non-magnetic and the like. Through the innovative design, the present application can realize high-precision, high-reliability and long-life locking release operation, and provides an efficient and stable solution for the related field.

[0058] The above only describes the preferred embodiments of the present application, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and replacements can be made without departing from the technical principles of the present application, and these improvements and replacements should also be regarded as the protection scope of the present application.

Claims

1. A space locking release device having a self-locking function, characterized by, The application relates to a locking and releasing mechanism, which comprises two sets of oppositely arranged locking and releasing mechanisms, a moving assembly and a driving assembly, the driving assembly comprises a driving device (1), a driving rod (2) and a transmission component, the driving rod (2) is connected with the driving device (1), the driving device (1) drives the driving rod (2) to rotate, the driving rod (2) is provided with a threaded structure, the transmission component is threadedly connected with the driving rod (2), when the driving device (1) drives the driving rod (2) to rotate, the transmission component moves along the driving rod (2), the moving assembly is connected with the transmission component, and the transmission components of the two sets of locking and releasing mechanisms are driven to move close to or away from each other.

2. The space locking releasing device with self-locking function according to claim 1, characterized in that, The driving rod (2) is perpendicular to the moving direction of the moving assembly, the threaded structure comprises a left threaded section (201) and a right threaded section (202), the spiral directions of the left threaded section (201) and the right threaded section (202) are opposite, the transmission component comprises a left sliding block (4), a right sliding block (5) and a bearing vertical column (6), one end of the left sliding block (4) is threadedly connected with the left threaded section (201), the other end of the left sliding block (4) is rotationally connected with the bearing vertical column (6), one end of the right sliding block (5) is threadedly connected with the right threaded section (202), the other end of the right sliding block (5) is rotationally connected with the bearing vertical column (6), and the moving assembly is connected with the bearing vertical column (6).

3. The space lock release device having a self-locking function according to claim 2, wherein The driving assembly further comprises a support frame, the support frame comprises a bottom plate (7), a first supporting plate (8) and a second supporting plate (9), the first supporting plate (8) and the second supporting plate (9) are arranged in parallel and at intervals on the bottom plate (7), the driving device (1) is mounted on the first supporting plate (8), the driving rod (2) is located between the first supporting plate (8) and the second supporting plate (9), one end of the driving rod (2) passes through the first supporting plate (8) and is connected with the driving device (1), and the bottom plate (7) is provided with a through hole, and the bearing vertical column (6) is located in the through hole.

4. The space lock release device having a self-locking function according to claim 3, wherein The driving assembly further comprises a guide rod (10), two ends of the guide rod (10) are connected with the first supporting plate (8) and the second supporting plate (9) respectively, the guide rod (10) is arranged in parallel with the driving rod (2), the left sliding block (4) and the right sliding block (5) are provided with guide holes, and the guide rod (10) passes through the guide holes on the left sliding block (4) and the right sliding block (5).

5. The space lock release device having a self-locking function according to claim 1, wherein The moving assembly comprises an adapter table (12) and a plurality of jacks (13), the jacks (13) are connected vertically on the adapter table (12), and the adapter table (12) is connected with the transmission component.

6. The space lock release device having a self-locking function according to claim 5, wherein The adapter table (12) is provided with a plurality of mounting holes (1201), the jacks (13) are detachably inserted into the mounting holes (1201), the jack (13) comprises a large-diameter section (1301) and a small-diameter section (1302) connected with each other, and the large-diameter section (1301) is connected with the adapter table (12).

7. The space lock releasing device having a self-locking function according to claim 1, wherein The driving device (1) is a piezoelectric rotary motor.

8. The space lock releasing device having a self-locking function according to claim 1, wherein The locking and releasing mechanism further comprises a vacuum assembly, the vacuum assembly comprises a sealing sleeve (15) and a sealing flange (16), the sealing flange (16) is installed at both ends of the sealing sleeve (15), the movement assembly is located inside the sealing sleeve (15), the driving assembly is located outside the sealing sleeve (15), and the transmission component is in sealing penetration connection with the sealing flange (16).

9. The space lock release device having a self-locking function according to claim 8, wherein The vacuum assembly further comprises a sealing mechanism located inside the sealing sleeve (15), the sealing mechanism comprises a sealing adapter plate (17), a first sealing pipe (18) and a second sealing pipe (19), one end of the first sealing pipe (18) is connected with the sealing flange (16), the other end of the first sealing pipe (18) is connected with the sealing adapter plate (17), one end of the second sealing pipe (19) is connected with the sealing adapter plate (17), and the other end of the second sealing pipe (19) is connected with the movement assembly, and the transmission component and the movement assembly are connected on both sides of the sealing adapter plate (17) respectively.

10. The space lock release device having a self-locking function according to claim 9, wherein The first sealing pipe (18) and the second sealing pipe (19) are both corrugated pipes.

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