A connection-separation device structure for a rocket-assisted glider

Abstract

The application belongs to the technical field of power aviation, and particularly relates to a connecting-separating device structure for a rocket-boosted glider, which comprises a connecting piece I, a connecting piece II and a sliding assembly. The connecting piece I is provided with a fixed limiting plate. The sliding assembly comprises a sliding limiting plate, a bolt and a driving assembly. The connecting piece II is provided with a connecting plate. The connecting plate is provided with a insertion hole. The axis of the bolt and the insertion hole is perpendicular to the axis of the rocket. The fixed limiting plate and the sliding limiting plate can be relatively close to each other, the connecting plate can be prevented from moving along the axis of the bolt, the two can provide clamping force to limit and fix the connecting plate, the radial pressure between the bolt and the insertion hole is reduced, and the possibility of being stuck or even self-locked is reduced. When being separated, the sliding limiting plate is away from the fixed limiting plate, the moving range of the connecting plate during separation is enlarged, the possibility of the connecting plate colliding with the connecting piece I and the sliding assembly during separation is reduced, and the success rate of separation is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of power aviation technology, and particularly relates to a connecting-separating device structure for a rocket-boosted glider. BACKGROUND

[0002] The rocket-boosted glider is a device using a rocket as a booster to take the aircraft to high altitude, and its working principle mainly includes five stages of preparation, launching, separation, rocket body recovery and glider gliding. In the launching stage, the glider is fixedly installed on the rocket, and in the separation stage, the glider needs to be separated from the rocket. At present, the connecting-separating device is generally used to connect the glider and the rocket, and the connecting-separating device directly affects the success of the task, and even causes the glider to separate in advance and even crash.

[0003] At present, some conventional connecting-separating devices have defects such as complex structure, non-reusable, large size and the like. In addition, when separating, the glider can only separate from the rocket in one direction, and various conditions need to be ensured to complete the separation work, and the fault tolerance of the separation is low. SUMMARY

[0004] The application aims to solve the technical problem of providing a connecting-separating device structure for a rocket-boosted glider with high separation fault tolerance and strong adaptability.

[0005] The application provides a connecting-separating device structure for a rocket-boosted glider, which comprises a connecting piece I for connecting a rocket, a connecting piece II for connecting a glider and a sliding assembly. The connecting piece I is provided with a fixed limiting plate on the side facing the connecting piece II. The sliding assembly comprises a sliding limiting plate slidingly arranged on the connecting piece I, a bolt arranged on the sliding limiting plate and facing the fixed limiting plate, and a driving assembly driving the sliding limiting plate to move towards the fixed limiting plate. The connecting piece II is provided with a connecting plate on the side facing the connecting piece I, and the connecting plate is provided with a bolt hole matched with the bolt. The axis of the bolt and the bolt hole is perpendicular to the axis of the rocket.

[0006] Further, the fixed limiting plate is provided with a positioning hole, and the bolt passes through the bolt hole and matches with the positioning hole.

[0007] Further, the fixed limiting plate and the sliding limiting plate are mutually attached on the side close to the connecting plate and the side opposite to the connecting plate.

[0008] Further, the bolt and the bolt hole are provided with two groups or more than two groups in parallel.

[0009] Further, the connecting piece I is provided with a sliding groove on the side facing the moving direction of the sliding limiting plate, and the sliding assembly further comprises a sliding block slidingly arranged in the sliding groove. The sliding limiting plate is fixed on the sliding block and moves through the sliding block.

[0010] Further, the driving assembly comprises a spring arranged at the bottom of the sliding groove and a limiting piece arranged at the opening side of the sliding groove, and the two ends of the spring abut against the sliding block and the sliding groove respectively.

[0011] Further, the limiting piece comprises a motor and a limiting rod, and the motor drives the limiting rod to block or leave the opening of the sliding groove.

[0012] Further, the connecting piece I is arranged with a through groove penetrating through the sliding groove at one side of the fixed limiting plate, and the sliding limiting plate is connected with the sliding block through the through groove.

[0013] Further, the sliding block is arranged with a roller matched with the side wall of the sliding groove at two sides.

[0014] The application also provides a connecting-separating method for a rocket-boosted glider, comprising the connecting-separating device structure for the rocket-boosted glider, when connecting, the connecting plate is arranged between the fixed limiting plate and the sliding limiting plate, the sliding assembly drives the sliding limiting plate to move towards the fixed limiting plate, the bolt is inserted into the insertion hole, and the connection of the rocket and the glider is completed; when separating, the sliding assembly drives the sliding limiting plate to move away from the fixed limiting plate, the bolt is separated from the insertion hole, and the separation of the rocket and the glider is completed.

[0015] The beneficial effects of the application are that the fixed limiting plate and the sliding limiting plate can be relatively close to each other, the axial movement of the connecting plate along the bolt can be avoided, the two can provide clamping force to limit and fix the connecting plate, the radial pressure between the bolt and the insertion hole is reduced, the possibility of being stuck or even self-locked is reduced, the reliability of separation is greatly improved; when separating, the sliding limiting plate is away from the fixed limiting plate, the moving range of the connecting plate during separation can be greatly expanded, the possibility of the connecting plate colliding with the connecting piece I and the sliding assembly during separation is reduced, the success rate of separation is improved, when separating, the glider can separate along the front, rear or one side of the rocket by using lift, inertia or gravity, and the fault tolerance rate of separation is greatly improved. In addition, the overall structure is simple, the operation is convenient and fast, the shape does not increase the wind resistance of the rocket and the glider, and meanwhile, the reliability is strong and the stability is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the connecting state of the application.

[0017] Figure 2 It is a front view of the connecting state of the application.

[0018] Figure 3 It is a structural schematic view of the connecting state of the application.

[0019] Figure 4 It is a front view of the connecting state of the application.

[0020] Figure 5 For Figure 4 A-A direction view.

[0021] Figure 6 For the structure diagram of the separated state of the application.

[0022] Figure 7 For the front view of the separated state of the application.

[0023] Figure 8 For Figure 7 B-B direction view.

[0024] Figure 9 For the schematic diagram of the explosion of the application.

[0025] In the figure, 1-connector I; 11-fixed limiting plate; 12-positioning hole; 13-sliding groove; 14-through slot; 15-clamping slot; 2-connector II; 21-connection plate; 22-socket; 3-sliding assembly; 31-sliding limiting plate; 32-latch; 33-sliding block; 34-spring; 35-motor; 36-limiting rod; 37-roller; 4-rocket; 5-glider. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0027] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0028] In addition, the description such as "first", "second" and the like in the application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0029] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixing" and the like should be understood in a broad sense, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection, or physical connection, or wireless communication connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] In addition, the technical solutions among various embodiments of the present application can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0031] As shown in Figures 1-9 The present application provides a connection-separation device structure for rocket-boost glider, comprising a connecting piece I 1 for connecting rocket 4, a connecting piece II 2 for connecting glider 5 and a sliding assembly 3, the connecting piece I 1 is provided with a fixed limiting plate 11 on the side facing the connecting piece II 2, the sliding assembly 3 comprises a sliding limiting plate 31 slidingly arranged on the connecting piece I 1, a latch 32 arranged on the sliding limiting plate 31 and facing the fixed limiting plate 11, and a driving assembly for driving the sliding limiting plate 31 to move towards the fixed limiting plate 11, the connecting piece II 2 is provided with a connecting plate 21 on the side facing the connecting piece I 1, the connecting plate 21 is provided with a hole 22 matched with the latch 32, and the axis of the latch 32 and the hole 22 is perpendicular to the axis of the rocket 4.

[0032] The application sets a fixed limiting plate 11 and a sliding limiting plate 31 which can move towards the fixed limiting plate 11 on the connecting piece 11, and sets a bolt 32 on the sliding limiting plate 31 which is arranged towards the fixed limiting plate 11, when the connecting operation is carried out, the connecting plate 21 on the connecting piece 12 is clamped between the fixed limiting plate 11 and the sliding limiting plate 31, the bolt 32 is inserted into the insertion hole 22 on the connecting plate 21 during the movement of the sliding limiting plate 31, the connection is completed, and the reverse movement of the sliding limiting plate 31 completes the separation. The fixed limiting plate 11, the sliding limiting plate 31 and the body of the connecting piece 11 form a "N" shaped piece with adjustable two side sizes, the fixed limiting plate 11 and the sliding limiting plate 31 can be relatively close to each other, that is, the two sides of "N" are closed, which can avoid the axial movement of the connecting plate 21 along the bolt 32, and at the same time, the two sides can provide clamping force to limit and fix the connecting plate 21, reduce the radial pressure between the bolt 32 and the insertion hole 22, reduce the possibility of being stuck or even self-locking, greatly improve the reliability of separation; when separating, the sliding limiting plate 31 moves away from the fixed limiting plate 11, that is, the distance between the two sides of "N" is expanded, which can greatly expand the movement range of the connecting plate 21 during separation, reduce the possibility of the connecting plate 21 colliding with the connecting piece 11 and the sliding assembly 3 during separation, improve the success rate of separation, and because the axis of the bolt 32 and the insertion hole 22 is perpendicular to the axis of the rocket 4, during separation, the glider 5 can use lift, inertia or gravity to separate along the front, rear or one side of the rocket, greatly improving the fault tolerance rate of separation.

[0033] The connecting piece 11 and the connecting piece 12 and the rocket 4 and the glider 5 can be connected by bolts, welding, bonding or other fixing connection methods, preferably, the side of the connecting piece 11 away from the connecting piece 2 is provided with an arc-shaped plate which is attached to the surface of the rocket body, the connecting piece 11 is bonded with the rocket 4 through the arc-shaped plate, which is convenient for installation on existing rockets, and improves the applicability of the structure of the connecting and separating device; and the connecting piece 2 is provided with a plurality of threaded holes, which can be detachably installed with the glider 5 through a bolt assembly.

[0034] The fixed limiting plate 11 is provided with a positioning hole 12, the bolt 32 passes through the insertion hole 22 and cooperates with the positioning hole 12, in the connected state, the lift or gravity of the glider 5 drives the insertion hole 22 on the connecting plate 21 to pull the bolt 32 radially, in this embodiment, the end of the bolt 32 is supported through the positioning hole 12, which improves the carrying capacity of the bolt 32, and the positioning hole 12 is also convenient for checking whether the connection is in place during installation, which ensures that the length of the bolt 32 is longer than the hole depth of the insertion hole 22.

[0035] The fixed limiting plate 11 and the sliding limiting plate 31 are attached to opposite sides of the connecting plate 21, and can be attached by planar attachment or by slot-and-block fitting, and preferably by planar attachment with a certain friction, that is, the side of the fixed limiting plate 11 and the sliding limiting plate 31 close to the connecting plate 21 is planar, but the opposite side has a certain friction, which can fix and limit the movement of the connecting piece II 2 after the fixed limiting plate 11 and the sliding limiting plate 31 clamp the connecting plate 21.

[0036] The bolt 32 and the hole 22 are arranged in two or more parallel groups, which can avoid the rotation of the connecting piece II 2 around the axis of the bolt 32, increase the degree of freedom, improve the limiting effect, and ensure the stability of the glider 5 in the connected state.

[0037] The connecting piece I 1 is provided with a sliding groove 13 on the side facing the moving direction of the sliding limiting plate 31, the sliding assembly 3 further includes a sliding block 33 slidingly arranged in the sliding groove 13, and the sliding limiting plate 31 is fixed on the sliding block 33 and moves through the sliding block 33. In this embodiment, the sliding groove 13 is provided on the body of the connecting piece I 1, the sliding limiting plate 31 is slidingly connected with the body of the connecting piece I 1 through the sliding block 33 slidingly arranged in the sliding groove 13, the size of the sliding groove 13 and the sliding block 33 can be relatively large, which greatly improves the connection reliability of the sliding limiting plate 31, and the sliding does not increase the overall size of the connecting device during installation.

[0038] The driving assembly can be a pneumatic cylinder, a hydraulic cylinder, or a linear module, which is fixed at one end on the body of the connecting piece I 1 and at the other end on the sliding block 33.

[0039] Preferably, the driving assembly includes a spring 34 arranged at the bottom of the sliding groove 13 and a limiting piece arranged at the opening side of the sliding groove 13, and the two ends of the spring 34 abut against the sliding block 33 and the sliding groove 13, respectively. In this embodiment, the connection between the connecting piece I 1 and the connecting piece II 2 can be achieved by pushing the sliding block 33 into the sliding groove 13 through other mechanical equipment or manually, and keeping the spring 34 in a tightened state, and the limiting piece finally blocks the opening of the sliding groove 13 and abuts against the sliding block 33. When separated, the limiting piece is driven to move away from the opening of the sliding groove 13, and the sliding block 33 is pushed to move through the restoring force of the spring 34, so that the separation is completed. The structure is simple and reliable, and the operation is convenient. The arrangement of the spring 34 not only can complete the separation action, but also can keep the position of the sliding block 33 in the sliding groove 13 stable without shaking. Specifically, spring positioning grooves can be arranged at the bottom of the sliding groove 13 and the bottom of the sliding block 33, which facilitates the installation of the spring 34 and ensures the stability of the spring 34 during extension and contraction. In addition, the spring 34 is preferably arranged in two groups to improve the restoring force and stability.

[0040] Preferably, the limiting piece comprises a motor 35 and a limiting rod 36, the motor 35 drives the limiting rod 36 to block or move away from the opening of the sliding groove 13, in the embodiment, the connecting piece I 1 is further provided with a clamping groove 15 on the opening side of the sliding groove 13, and the limiting rod 36 is screwed into the clamping groove 15 to block the opening of the sliding groove 13.

[0041] The connecting piece I 1 is provided with a through groove 14 penetrating the sliding groove 13 on one side of the fixed limiting plate 11, and the sliding limiting plate 31 is connected with the sliding block 33 through the through groove 14, in the embodiment, the side of the through groove 14 away from the fixed limiting plate 11 can limit the sliding limiting plate 31 from being separated, thereby limiting the sliding block 33 from sliding out of the sliding groove 13, so that the sliding assembly 3 is still connected to the connecting piece I 1 after being separated, which is beneficial to the reuse of the whole.

[0042] The sliding block 33 is provided with a roller 37 matched with the side wall of the sliding groove 13 on both sides, which reduces the friction and improves the sliding smoothness of the sliding block 33, in the embodiment, the sliding block 33 is connected with a roller mounting frame through a bolt on both sides, and one roller 37 is installed on each side of the roller mounting frame, so as to ensure the movement effect of the sliding block 33, in addition, a weight-reducing groove can be arranged on the side of the sliding block 33 away from the sliding limiting plate 31, which reduces the overall gravity and facilitates the installation of the roller mounting frame.

[0043] The application also provides a connecting-separating method for a rocket boost glider, which comprises the connecting-separating device structure for the rocket boost glider, in the connecting process, the connecting plate 21 is placed between the fixed limiting plate 11 and the sliding limiting plate 31, the sliding assembly 3 drives the sliding limiting plate 31 to move towards the fixed limiting plate 11, the bolt 32 is inserted into the insertion hole 22, and the connection of the rocket 4 and the glider 5 is completed; in the separating process, the sliding assembly 3 drives the sliding limiting plate 31 to move away from the fixed limiting plate 11, the bolt 32 is separated from the insertion hole 22, and the separation of the rocket 4 and the glider 5 is completed.

[0044] Specifically, the method comprises the following steps:

[0045] S1, installing the connecting piece I 1 on the rocket body of the rocket 4 and installing the connecting piece II 2 on the base or top of the glider 5;

[0046] S2, the motor 35 drives the limiting rod 36 to rotate and move away from the opening of the sliding groove 13, at this time, the spring 34 pushes the sliding block 33 to slide towards the opening side of the sliding groove 13 until the sliding limiting plate 31 is limited by the side wall of the through groove 14;

[0047] S3, the connecting plate 21 on the connecting piece II 2 is placed between the fixed limiting plate 11 and the sliding limiting plate 31, and the sliding block 33 is pushed back by equipment or manually, at this time the bolt 32 passes through the insertion hole 22 of the connecting plate 21 and the positioning hole 12 of the fixed limiting plate 11 in turn, until the opposite side of the fixed limiting plate 11 and the sliding limiting plate 31 tightly abuts the connecting plate 21;

[0048] S4, the motor 35 drives the limiting rod 36 to rotate, cooperates with the clamping groove 15 to block the opening of the sliding groove 13, so that the glider 5 is fixed on the rocket body of the rocket 4;

[0049] S5, after the rocket 4 is launched, when the separation condition is reached, the control motor 35 drives the limiting rod 36 to rotate, and the clamping groove 15 is separated from the opening of the sliding groove 13, at this time the spring 34 pushes the sliding block 33 to slide towards the opening side of the sliding groove 13, and the bolt 32 is separated from the positioning hole 12 of the fixed limiting plate 11 and the insertion hole 22 of the connecting plate 21 in turn, under the action of gravity or the lifting force of the glider 5, the glider 4 is separated from the rocket 4;

[0050] S6, according to the task requirement, the glider 5 starts to perform the task, and the rocket 4 is landed for recycling;

[0051] S7, after the task is performed, the glider 5 returns and lands;

[0052] S8, according to the requirement, the foregoing steps S2-S7 are repeated.

[0053] After all the tasks are completed, the connecting piece I 1 and the connecting piece II 2 can be detached from the rocket body of the rocket 4 and the glider 5 respectively, and maintenance can be performed according to the requirement.

[0054] The connection and separation operation in the method is convenient and fast, the connection between the glider and the rocket is stable and reliable after connection, and is no longer limited to the separation condition near the highest point by the traditional separation device, the glider 5 can be separated from the rocket 4 under any condition through the driving assembly, the separation condition can be diversified according to the task requirement, the application range is widely generalized, the use scene is diversified, the take-off mode of the glider is shortened, the energy consumption of the glider is reduced, the endurance time is increased, and more possibilities are provided for the application of the glider. At the same time, the glider can perform separation action in multiple directions when separating, and the separation efficiency of the glider is improved.

[0055] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

Claims

1. A connection-separation device structure for a rocket-assisted glider, characterized in that, The utility model provides a rocket-assisted glider's connecting-separating device structure, and the connecting-separating device structure comprises connecting piece I (1) for connecting rocket (4), connecting piece II (2) for connecting glider (5) and sliding assembly (3), the side of connecting piece I (1) is provided with fixed limiting plate (11) towards connecting piece II (2), sliding assembly (3) comprises sliding limiting plate (31) slidingly arranged on connecting piece I (1), bolt (32) arranged on sliding limiting plate (31) and towards fixed limiting plate (11), and drive assembly for driving sliding limiting plate (31) to move towards fixed limiting plate (11), the side of connecting piece II (2) is provided with connecting plate (21) towards connecting piece I (1), and the bolt (32) is inserted into the insertion hole (22) of connecting plate (21), and the axis of bolt (32) and insertion hole (22) is perpendicular to the axis of rocket (4).

2. The attach-detach device structure for a rocket-powered glider according to claim 1, characterized in that, The fixed limiting plate (11) is provided with a positioning hole (12), and the bolt (32) passes through the insertion hole (22) and cooperates with the positioning hole (12).

3. The attach-detach device structure for a rocket-powered glider according to claim 1, wherein The fixed limiting plate (11) and the sliding limiting plate (31) are close to the side of the connecting plate (21) and are opposite to each other.

4. The attach-detach device structure for a rocket-powered glider according to claim 1, wherein The bolt (32) and the insertion hole (22) are provided with more than two groups in parallel.

5. The attach-detach device structure for a rocket-assisted glider according to any one of claims 1 to 4, characterized in that, The connecting piece I (1) is provided with a sliding groove (13) on the side towards the moving direction of the sliding limiting plate (31), and the sliding assembly (3) further comprises a sliding block (33) slidingly arranged in the sliding groove (13), the sliding limiting plate (31) is fixed on the sliding block (33) and moves through the sliding block (33).

6. The attach-detach device structure for a rocket-powered glider according to claim 5, wherein The drive assembly comprises a spring (34) arranged at the bottom of the sliding groove (13) and a limiting piece arranged at the opening side of the sliding groove (13), and the two ends of the spring (34) abut against the sliding block (33) and the sliding groove (13) respectively.

7. The attach-detach device structure for a rocket-powered glider according to claim 6, wherein The limiting piece comprises a motor (35) and a limiting rod (36), and the motor (35) drives the limiting rod (36) to block or leave the opening of the sliding groove (13).

8. The attach-detach device structure for a rocket-powered glider according to claim 5, wherein The connecting piece I (1) is provided with a through groove (14) penetrating through the sliding groove (13) on the side provided with the fixed limiting plate (11), and the sliding limiting plate (31) passes through the through groove (14) and is connected with the sliding block (33).

9. The attach-detach device structure for a rocket-powered glider according to claim 5, wherein The sliding block (33) is provided with a roller (37) cooperating with the side wall of the sliding groove (13) on both sides.

10. A connection-separation method for a rocket-assisted glider, characterized by, The utility model provides a rocket-assisted glider's connecting-separating device structure, and the connecting-separating device structure comprises connecting piece I (1) for connecting rocket (4), connecting piece II (2) for connecting glider (5) and sliding assembly (3), the side of connecting piece I (1) is provided with fixed limiting plate (11) towards connecting piece II (2), sliding assembly (3) comprises sliding limiting plate (31) slidingly arranged on connecting piece I (1), bolt (32) arranged on sliding limiting plate (31) and towards fixed limiting plate (11), and drive assembly for driving sliding limiting plate (31) to move towards fixed limiting plate (11), the side of connecting piece II (2) is provided with connecting plate (21) towards connecting piece I (1), and the bolt (32) is inserted into the insertion hole (22) of connecting plate (21), and the axis of bolt (32) and insertion hole (22) is perpendicular to the axis of rocket (4). The fixed limiting plate (11) is provided with a positioning hole (12), and the bolt (32) passes through the insertion hole (22) and cooperates with the positioning hole (12). The fixed limiting plate (11) and the sliding limiting plate (31) are close to the side of the connecting plate (21) and are opposite to each other. The bolt (32) and the insertion hole (22) are provided with more than two groups in parallel. The connecting piece I (1) is provided with a sliding groove (13) on the side towards the moving direction of the sliding limiting plate (31), and the sliding assembly (3) further comprises a sliding block (33) slidingly arranged in the sliding groove (13), the sliding limiting plate (31) is fixed on the sliding block (33) and moves through the sliding block (33). The drive assembly comprises a spring (34) arranged at the bottom of the sliding groove (13) and a limiting piece arranged at the opening side of the sliding groove (13), and the two ends of the spring (34) abut against the sliding block (33) and the sliding groove (13) respectively. The limiting piece comprises a motor (35) and a limiting rod (36), and the motor (35) drives the limiting rod (36) to block or leave the opening of the sliding groove (13). The connecting piece I (1) is provided with a through groove (14) penetrating through the sliding groove (13) on the side provided with the fixed limiting plate (11), and the sliding limiting plate (31) passes through the through groove (14) and is connected with the sliding block (33). The sliding block (33) is provided with a roller (37) cooperating with the side wall of the sliding groove (13) on both sides. The utility model provides a rocket-assisted glider's connecting-separating device structure, and the connecting-separating device structure comprises connecting piece I (1) for connecting rocket (4), connecting piece II (2) for connecting glider (5) and sliding assembly (3), the side of connecting piece I (1) is provided with fixed limiting plate (11) towards connecting piece II (2), sliding assembly (3) comprises sliding limiting plate (31) slidingly arranged on connecting piece I (1), bolt (32) arranged on sliding limiting plate (31) and towards fixed limiting plate (11), and drive assembly for driving sliding limiting plate (31) to move towards fixed limiting plate (11), the side of connecting piece II (2) is provided with connecting plate (21) towards connecting piece I (1), and the bolt (32) is inserted into the insertion hole (22) of connecting plate (21), and the axis of bolt (32) and insertion hole (22) is perpendicular to the axis of rocket (4). The fixed limiting plate (11) is provided with a positioning hole (12), and the bolt (32) passes through the insertion hole (22) and cooperates with the positioning hole (12).

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