CN115057011A - Belting formula unblock separator - Google Patents

Abstract

The invention provides a belting type unlocking and separating device, which relates to the technical field of aerospace and comprises a strap structure and a position retaining structure, wherein the strap structure comprises a strap body with elasticity and a clamping block, the clamping block limits a first cylinder structure and a second cylinder structure through a limiting groove, the strap body is used for generating elastic deformation so as to support a first limiting bulge and a second limiting bulge through the clamping block, and the position retaining structure is connected with two ends of the strap body so as to keep the strap body in an elastic deformation state. The two ends of the strip structure are limited through the position retaining structure, and the first cylinder structure and the second cylinder structure are limited through the clamping blocks; when unlocking and separating are carried out, the position retaining structure releases the limit, and the strip structure contracts and deforms to realize unlocking and separating; the invention can be arranged on the inner wall, and is more suitable for scenes with higher requirements on the smoothness degree of the outer surface of the cylindrical structure.

Description

Belting formula unblock separator

Technical Field

The invention relates to the technical field of aerospace, in particular to a belted unlocking and separating device.

Background

For example, a barrel structure which needs to have an unlocking and separating function, such as between cabin sections of a spacecraft or between multi-stage projectiles of a missile, is usually connected by a belted unlocking and separating device. The traditional belted type unlocking and separating device mostly adopts initiating explosive devices, has the defects of poor safety performance, large impact load, difficulty in recycling, large environmental pollution and the like, and a position holding structure of the belted type unlocking and separating device (the position holding structure can keep the shape of a belted belt unchanged, and further lock connected cabin sections or bullets and the like) is usually arranged on the outer surface of a cylinder structure, so that the outer surface of the cylinder structure is not smooth enough, and the flight performance is influenced. With the gradually improved requirements of related products on safety performance, impact load, environmental protection, flight performance and the like, the traditional belted unlocking and separating device is more and more difficult to be applied.

Disclosure of Invention

The invention solves the problem of how to improve the applicability of the belted unlocking and separating device.

In order to solve the above problems, the present invention provides a belted unlocking and separating device, which comprises a belt structure and a position maintaining structure, wherein the belt structure comprises an elastic belt body and a clamping block, the clamping block is provided with a limiting groove, the limiting groove is used for being inserted into a first limiting protrusion on the inner wall of a first cylinder structure and a second limiting protrusion on the inner wall of a second cylinder structure, the belt body is used for generating elastic deformation so as to support the first limiting protrusion and the second limiting protrusion through the clamping block, and the position maintaining structure is used for being connected with two ends of the belt body so as to maintain the belt body in an elastic deformation state.

Optionally, the position retaining structure includes a locking rope and a pair of connecting rods hinged to each other, one end of each connecting rod is provided with a split clamping block, the two split clamping blocks are used for clamping two ends of the strip body, and the other ends of the two connecting rods are connected through the locking rope in a stretched state.

Optionally, the position maintaining structure further comprises an unlocking device, the unlocking device is arranged on the connecting rod and is used for disconnecting the locking rope or enabling the locking rope to be in a loose state.

Optionally, the unlocking device is a hot knife unlocking device, the hot knife unlocking device comprises a support and a blade portion which are connected with each other, the support is arranged on the connecting rod, the blade portion is abutted to the locking rope, and the blade portion is used for fusing the locking rope.

Optionally, the locking rope is a strongback rope.

Optionally, the device further comprises at least one pair of auxiliary ropes, one end of each auxiliary rope is connected to the position maintaining structure, and the other end of each auxiliary rope is connected to the strip structure, wherein each pair of auxiliary ropes is symmetrically arranged.

Optionally, connecting columns are respectively arranged at two ends of the strip body and used for being clamped in the two split clamping blocks.

Optionally, the strip structure further includes clamping nuts, each of the connecting columns is in threaded connection with at least two of the clamping nuts, and the two connecting columns are respectively in clamping connection with two ends of the strip body through the clamping nuts.

Optionally, the two split clamping blocks are split nuts, and the two split nuts are used for forming threaded holes to be in threaded connection with the connecting column.

Optionally, the strap body is of an open ring structure, and the plurality of clamping blocks are uniformly arranged on the circumferential side wall of the strap body.

According to the belted unlocking and separating device, the first cylinder structure and the second cylinder structure are limited through the insertion of the limiting grooves of the clamping blocks, and the position retaining structure locks and fixes the two ends of the strip structure, so that the locking and fixing between the first cylinder structure and the second cylinder structure are realized, and the locking and fixing between cabin sections of a spacecraft is realized; when unlocking and separating are carried out, the position holding structure unlocks and fixes the two ends of the strip structure, and the strip body has elasticity, so that the strip body contracts and deforms to a certain extent, the connection between the clamping block and the first cylinder structure and the connection between the clamping block and the second cylinder structure are released, and unlocking and separating are realized between the first cylinder structure and the second cylinder structure; moreover, the belted unlocking and separating device can be arranged on the inner wall, and compared with the situation that the strip structure is arranged on the outer walls of the first cylinder structure and the second cylinder structure, the belted unlocking and separating device is beneficial to improving the flight performance of the first cylinder structure and the second cylinder structure, and improves the applicability of the belted unlocking and separating device, so that the belted unlocking and separating device can be suitable for application scenes such as multi-stage missile unlocking and separating of missiles and the like which have higher requirements on the smoothness degree of the outer surface of the cylinder structure.

Drawings

Fig. 1 is a three-dimensional schematic view of a belted unlocking and separating device provided in an embodiment of the present invention;

FIG. 2 is an enlarged view taken at point I in FIG. 1;

FIG. 3 is a three-dimensional schematic view of a connecting rod according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of the belted unlocking-separating device at the clamping block according to the embodiment of the invention.

Description of reference numerals:

1. a strip structure; 11. a strap body; 12. a clamping block; 121. a limiting groove; 13. connecting columns; 14. clamping the nut; 2. a position maintaining structure; 21. a connecting rod; 211. a split clamping block; 2111. clamping the groove; 212. a locking cord connecting portion; 213. a hinged seat; 214. an auxiliary rope connecting part; 22. a locking rope; 23. an unlocking device; 3. an auxiliary rope; 400. a first cylindrical structure; 401. a first limit protrusion; 500. a second cylindrical structure; 501. and a second limiting bulge.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the coordinate system XYZ provided herein, the X axis represents the right direction in the forward direction, the X axis represents the left direction in the reverse direction, the Y axis represents the rear direction in the forward direction, the Y axis represents the front direction in the reverse direction, the Z axis represents the upper direction in the forward direction, and the Z axis represents the lower direction in the reverse direction. Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.

The embodiment of the invention provides a belting type unlocking and separating device which comprises a strap structure 1 and a position maintaining structure 2, wherein the strap structure 1 comprises a strap body 11 and a clamping block 12, the clamping block 12 is provided with a limiting groove 121, the limiting groove 121 is used for being inserted into a first limiting bulge 401 on the inner wall of a first cylindrical structure 400 and a second limiting bulge 501 on the inner wall of a second cylindrical structure 500, the strap body 11 is used for generating elastic deformation to support the first limiting bulge 401 and the second limiting bulge 501 through the clamping block 12, and the position maintaining structure 2 is used for being connected with two ends of the strap body 11 to keep the strap body 11 in an elastic deformation state.

It should be noted that the unlocking separation between the first cylinder structure 400 and the second cylinder structure 500 described herein is the unlocking separation between the cabin sections of the spacecraft, between the satellite and the rocket body, or the unlocking separation between the multi-stage projectile bodies of the missile, between the aircraft body and the payload, and the belted unlocking separation can be applied to the unlocking separation between the cylinder structures or the structures similar to the cylinder structures, and the related description referred to in the following is only for illustration and is not limited in particular.

Specifically, as shown in fig. 1 and 2, the strip body 11 is a flat strip or a strip-like structure, and the strip structure 1 is wound around the inner walls of the first cylindrical structure 400 and the second cylindrical structure 500 to form a C-shaped or C-like structure. When the position retaining structure 2 is unlocked or unlocked and separated, the strap body 11 has elasticity and is not limited by the locking force of the position retaining structure 2, so that the strap body 11 is folded towards the center of itself to a certain extent to generate elastic deformation, the clamping block 12 is disconnected from the first limiting protrusion 401 and the second limiting protrusion 501 which are respectively arranged on the inner walls of the first cylinder structure 400 and the second cylinder structure 500, and at the moment, the first cylinder structure 400 and the second cylinder structure 500 are not limited and limited by the strap structure 1, so that unlocking and separation can be realized; during locking assembly, after the first cylinder structure 400 and the second cylinder structure 500 are butted, the strap structure 1 can be stretched to a shape matched with the shapes of the inner walls of the first cylinder structure 400 and the second cylinder structure 500, so that the limiting groove 121 of the clamping block 12 is abutted against the first limiting protrusion 401 and the second limiting protrusion 501, and the two ends of the strap structure 1 are locked and limited by the position retaining structure 2. In addition, the clamping block 12 may also be provided with two limiting grooves 121, which are respectively inserted with the first limiting protrusion 401 and the second limiting protrusion 501, and may also achieve the limiting function, or a plurality of limiting grooves 121 may be simultaneously inserted to improve the stability of connection limiting, which is not limited herein.

Exemplarily, the position retaining structure 2 may adopt a memory alloy breaker commonly used in the aerospace field, two ends of the strap structure 1 are relatively and fixedly connected by a slotted bolt, and the slotted bolt is broken by using the principle of memory alloy power-on expansion when unlocking and separating, so that the position retaining structure 2 releases the limit on the two ends of the strap structure 1, and the strap structure 1 automatically contracts due to its own elasticity, resulting in separation between the strap structure 1 and the first cylinder structure 400 and the second cylinder structure 500, thereby realizing unlocking and separating of the first cylinder structure 400 and the second cylinder structure 500 (the present scheme is not shown in the figure).

Illustratively, as shown in fig. 4, the clamping block 12 is integrally connected with the strap body 11, the strap body 11 is C-shaped or similar to C-shaped, the clamping block 12 is disposed on the outer wall of the strap body 11, the length of the clamping block 12 is equal or approximately equal to the length of the strap body 11 (the length of the clamping block 12 is not shown in the figure), the outer wall of the clamping block 12 is provided with a limiting groove 121, the first cylindrical structure 400 and the second cylindrical structure 500 are respectively provided with a first limiting bulge 401 and a second limiting bulge 501 which are distributed along the circumferential direction of the inner wall, when the first cylindrical structure 400 and the second cylindrical structure 500 are connected to each other, the protruding structure formed by the first limiting protrusion 401 abutting against the second limiting protrusion 501 can be inserted into the limiting groove 121, when the strap body 11 contracts due to the elastic effect, the clamping block 12 contracts along with the strap body 11, so that the protruding structure is pulled out of the limiting groove 121. In this way, the position holding structure 2 limits the two ends of the strap body 11, so that the clamping blocks 12 on the outer wall of the strap body 11 limit the first cylinder structure 400 and the second cylinder structure 500, and the connection stability between the first cylinder structure 400 and the second cylinder structure 500 is improved; when the first cylindrical structure 400 and the second cylindrical structure 500 are unlocked and separated, the position retaining structure 2 releases the position limitation on the strap body 11, and the strap body 11 contracts due to elasticity, so that the position limiting groove 121 is separated from the first position limiting protrusion 401 and the second position limiting protrusion 501, and the first cylindrical structure 400 and the second cylindrical structure 500 are unlocked and separated.

The belted unlocking and separating device of the embodiment is used for inserting and limiting the first cylinder structure 400 and the second cylinder structure 500 through the limiting groove 121 of the clamping block 12, and the position retaining structure 2 locks and fixes the two ends of the strap structure 1, so that the first cylinder structure 400 and the second cylinder structure 500 are locked and fixed, and further the locking and fixing of cabin sections of a spacecraft are realized; when unlocking and separating, the position retaining structure 2 releases locking and fixing of two ends of the strip structure 1, and due to the elasticity of the strip body 11, the strip body 11 shrinks and deforms to a certain extent at the moment, so that the connection between the clamping block 12 and the first cylinder structure 400 and the second cylinder structure 500 is released, and unlocking and separating are realized between the first cylinder structure 400 and the second cylinder structure 500; moreover, the belted unlocking and separating device of the embodiment can be arranged on the inner wall, and compared with the arrangement of the strip structure 1 on the outer walls of the first cylinder structure 400 and the second cylinder structure 500, the belted unlocking and separating device is beneficial to improving the flight performance of the first cylinder structure 400 and the second cylinder structure 500, and the applicability of the belted unlocking and separating device is improved, so that the belted unlocking and separating device can be suitable for application scenes such as multi-stage missile unlocking and separation of missiles and the like with high requirements on the smoothness degree of the outer surface of the cylinder structure.

In addition, the position holding structure 2 of the belted type unlocking and separating device can select non-initiating explosive products such as a memory alloy bursting device, a hot knife unlocking device (to be described later) and the like, reduces pollution to the surrounding environment, reduces impact force to other structures, has the advantages of reusability, easy storage and the like, and has better applicability compared with the belted type unlocking and separating device adopting the initiating explosive products.

Optionally, the position retaining structure 2 includes a locking rope 22 and a pair of connecting rods 21 hinged to each other, one end of each connecting rod 21 is provided with a split clamping block 211, the two split clamping blocks 211 are used for clamping two ends of the strap body 11, and the other ends of the two connecting rods 21 are connected through the locking rope 22 in a stretched state.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, a hinge seat 213 is provided at the center of the connecting rod 21, the two connecting rods 21 are hinged by the respective hinge seats 213 to form a lever structure similar to a scissors, that is, the hinge center is used as a fulcrum, the two connecting rods 21 form two force arms, and one end of the connecting rod 21 opposite to the X axis in the drawing is provided with a split clamping block 211. The two connecting rods 21 rotate relatively in different directions, so that the two split clamping blocks 211 can approach to each other until the two ends of the strip structure 1 are clamped, the contraction of the strip structure 1 is limited, and the first cylindrical structure 400 and the second cylindrical structure 500 are limited and locked; alternatively, the two split clamping blocks 211 are moved away from each other until the two ends of the strip structure 1 are released, so that the strip structure 1 is contracted and the first cylinder structure 400 and the second cylinder structure 500 are not limited any more. The locking rope 22 can be woven by adopting a rope body material with higher strength, one end of each connecting rod 21 in the positive direction of the X axis in the drawing is provided with a circular ring or a locking rope connecting part 212 similar to a circular ring, the locking rope 22 penetrates through the two locking rope connecting parts 212, and the locking rope 22 generates pulling force on the two locking rope connecting parts 212 when being stretched straight, so that the split clamping blocks 211 on the connecting rods 21 are close to each other and clamp the two ends of the strip body 11.

It should be noted that the locking cord 22 in this embodiment may be made of different materials or woven according to the requirements of pressing force, strength, etc., and the unlocking device 23 may also be made of any unlocking method and structure according to the prior art, such as mechanical cutting, etc., according to the actual situation.

Thus, when the belted unlocking and separating device is locked, the two valving clamping blocks 211 clamp the two ends of the strap structure 1, the locking rope 22 in a stretched state applies tension, and the two connecting rods 21 form a lever structure similar to scissors, so that a larger pressing force is obtained at the valving clamping blocks 211, and the two ends of the strap structure 1 are locked more stably; in addition, a certain pretightening force is applied by the locking rope 22, so that when the unlocking device 23 disconnects the locking rope 22, the two connecting rods 21 rotate relatively faster due to the release of the pretightening force, and then the split clamping blocks 211 are rapidly released from the two ends of the strap structure 1, thereby realizing the faster unlocking and releasing between the first cylinder structure 400 and the second cylinder structure 500. .

Optionally, the position maintaining structure 2 further comprises a lock release 23, the lock release 23 is disposed on the connecting rod 21, and the lock release 23 is used for disconnecting the locking rope 22 or making the locking rope 22 in a loose state.

Specifically, the unlocking device 23 may adopt a structure commonly used in the aerospace field, such as mechanical shearing or mechanical unlocking, to disconnect the locking rope 22, or release the locking rope 22 to be in a loose state.

Thus, the unlocking device 23 can rotate the connecting rod 21 relatively to release the two ends of the strap body 11 by disconnecting the locking rope 22 or making the locking rope 22 in a loose state, so that the clamping block 12 is unlocked and limited, and the first cylinder structure 400 and the second cylinder structure 500 are unlocked and separated.

Optionally, the unlocking device 23 is a hot knife unlocking device, the hot knife unlocking device includes a bracket and a blade portion, the bracket is mounted on the connecting rod 21, the blade portion abuts against the locking rope 22, and the blade portion is used for fusing the locking rope 22.

Specifically, as shown in fig. 1 and 2, the unlocking device 23 is a hot knife unlocking device, a bracket of the hot knife unlocking device is mounted at one end of the connecting rod 21 close to the locking rope connecting portion 212, a blade portion of the hot knife unlocking device abuts against the locking rope 22, the blade portion of the hot knife unlocking device generates heat when the connecting rod is powered on, and the generated high temperature can cause the locking rope 22 to be fused.

In this way, the hot knife unlocking device is powered on to generate heat, so that the locking rope 22 is fused, the split clamping block 211 is loosened, and the first cylindrical structure 400 and the second cylindrical structure 500 are unlocked and separated; compared with a mechanical cutting mode or a cutting mode adopting initiating explosive devices, the hot knife unlocking device is more suitable for the locking rope 22 with high cutting strength (such as a big force horseline), has low impact force on other structures, and improves the applicability of the belted unlocking and separating device to scenes with high pressing force requirements and high stability requirements.

Optionally, the locking line 22 is a strongpoint line.

Particularly, the big force horseline or the big force horseline is commonly used in the field of aerospace or military industry, has high strength and corrosion resistance, and is suitable for various scene applications.

In this way, the locking rope 22 can provide a larger locking force, so that the belted unlocking separation device is suitable for scenes with higher requirements on the locking force.

Optionally, at least one pair of auxiliary ropes 3 is further included, one end of the auxiliary ropes 3 is connected to the position holding structure 2, and the other end is connected to the belt structure 1, wherein each pair of auxiliary ropes 3 is symmetrically arranged.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, the hinge seat 213 of the connecting rod 21 is provided with an auxiliary rope connecting portion 214 in a circular ring shape or similar to a circular ring shape, the strap body 11 of the strap structure 1 is also provided with the auxiliary rope connecting portion 214, the auxiliary rope 3 is inserted through the auxiliary rope connecting portions 214 of the connecting rod 21 and the strap body 11, and the two auxiliary ropes 3 are parallel to the Y axis and are symmetrically arranged with respect to the X axis in the figure, and the auxiliary ropes 3 may also have a certain pre-tightening force.

It should be noted that the number of pairs and the material of the auxiliary ropes 3 can be selected according to the requirement, for example, two auxiliary ropes 3 in the figure are parallel to the Y-axis, and a plurality of pairs of auxiliary ropes 3 can be added in a direction deviating from the Y-axis in the figure, and is not limited in particular.

In this way, the auxiliary rope 3 applies a certain pulling force to the connecting rod 21 to assist in stabilizing the connecting rod 21, so that the stability of the connecting rod 21 is improved, and the split clamping blocks 211 clamp the two ends of the strap structure 1 more firmly; in addition, the auxiliary rope 3 can also have a certain pretightening force, so that when the unlocking separation is carried out, the auxiliary rope 3 can assist the quick contraction of the strip structure 1.

Optionally, two ends of the strap body 11 are respectively provided with a connecting column 13, and the connecting columns 13 are used for being clamped in the two split clamping blocks 211.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, the connecting column 13 is fixedly disposed at both ends of the strap body 11, and the split clamping block 211 may further have a clamping groove 2111. The two connecting rods 21 rotate relatively in different directions, so that the two split clamping blocks 211 can clamp the two connecting columns 13, and the two connecting columns 13 are limited by the clamping grooves 2111; alternatively, the two split clamping blocks 211 are moved away from each other, and the two connecting posts 13 are loosened.

Thus, the clamping connection column 13 can more firmly lock the two ends of the strap body 11 through the split clamping blocks 211, thereby improving the stability of locking between the first cylindrical structure 400 and the second cylindrical structure 500.

Optionally, the strap structure 1 further includes clamping nuts 14, each of the connecting columns 13 is in threaded connection with at least two of the clamping nuts 14, and the two connecting columns 13 are respectively connected to two ends of the strap body 11 in a clamping manner through the clamping nuts 14.

Specifically, as shown in fig. 1 and fig. 2, the connection column 13 is inserted into the end portion of the strap body 11, the connection column 13 is of a stud structure, and the clamping nuts 14 are screwed on the connection column 13 and located on two sides of the end portion of the strap body 11.

It should be understood that when each connecting column 13 is screwed with more than two clamping nuts 14, it can also achieve the above-mentioned tightening of the clamping nuts 14 to the end of the strap body 11, and thus the connecting column 13 is clamped and connected to the end of the strap body 11, and the stability of the clamping connection to the strap body 11 is improved by increasing the number of the clamping nuts 14, which is not particularly limited herein.

In this way, the two clamping nuts 14 are screwed to the end of the strip body 11, so that the connecting column 13 is connected with the end of the strip body 11, the tension of the strip body 11 is convenient to adjust by adjusting the positions of the clamping nuts 14 in threaded connection with the connecting column 13, the clamping blocks 12 are made to be more attached to the inner walls of the first cylindrical structure 400 and the second cylindrical structure 500, and the locking stability between the first cylindrical structure 400 and the second cylindrical structure 500 is improved.

Optionally, two of the split clamping blocks 211 are split nuts, and the two split nuts are used for forming threaded holes to be in threaded connection with the connecting column 13.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, a clamping groove 2111 provided on the split clamping block 211 is provided with a thread, that is, the split clamping block 211 is a split nut, and two split nuts are spliced to form a threaded hole when clamping the connecting column 13, so that the connecting column 13 is in threaded connection with the split nut in a clamping state.

So, through adopting split nut as split clamp 211 for the connection of spliced pole 13 and split clamp 211 is more firm, and through screwing up and unscrewing the threaded connection between spliced pole 13 and the split nut, can further adjust the tension of strip structure 1, makes it more laminate in the inner wall of first cylinder structure 400 and second cylinder structure 500, has improved the steadiness of locking between first cylinder structure 400 and the second cylinder structure 500.

Optionally, the strap body 11 is in an open ring structure, and the plurality of clamping blocks 12 are uniformly arranged on the circumferential side wall of the strap body 11.

Specifically, in connection with fig. 1, including the clamping blocks 12 not shown in the figure due to being hidden, there are eight clamping blocks 12 in total, the belt body 11 is in an annular structure with openings around the inner walls of the first cylindrical structure 400 and the second cylindrical structure 500, the eight clamping blocks 12 are symmetrically arranged on the outer wall of the belt body 11 relative to the X axis in the figure, and are evenly and equally spaced along the annular curve formed by the belt body 11.

Like this, evenly set up along the circumference lateral wall of strip body 11 through clamp splice 12 for first tubular structure 400 and second tubular structure 500 receive the locking force evenly distributed of clamp splice 12, have improved the steadiness of locking between first tubular structure 400 and the second tubular structure 500.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims (10)

1. The utility model provides a belted formula unblock separator, characterized in that, includes strip structure (1) and position holding structure (2), strip structure (1) is including having elastic strip body (11) and clamp splice (12), clamp splice (12) are equipped with spacing groove (121), spacing groove (121) are used for pegging graft first spacing arch (401) on first cylinder structure (400) inner wall and second spacing arch (501) on second cylinder structure (500) inner wall, strip body (11) are used for taking place elastic deformation in order to support through clamp splice (12) first spacing arch (401) with second spacing arch (501), position holding structure (2) be used for with the both ends of strip body (11) are connected in order to keep strip body (11) are in the elastic deformation state.

2. The belted unlocking-separating device according to claim 1, wherein the position holding structure (2) comprises a locking rope (22) and a pair of connecting rods (21) hinged with each other, one end of each connecting rod (21) is provided with a split clamping block (211), the two split clamping blocks (211) are used for clamping two ends of the belt body (11), and the other ends of the two connecting rods (21) are connected through the locking rope (22) in a stretched state.

3. The belted unlocking-separation device according to claim 2, wherein said position-retaining structure (2) further comprises an unlocking device (23), said unlocking device (23) is provided on said connecting rod (21), said unlocking device (23) is used for disconnecting said locking rope (22) or making said locking rope (22) in a slack state.

4. The belted unlocking separation device according to claim 3, wherein the unlocking device (23) is a hot knife unlocking device comprising a bracket and a blade portion connected with each other, the bracket is mounted on the connecting rod (21), the blade portion abuts against the locking rope (22), and the blade portion is used for fusing the locking rope (22).

5. The belted unlocking separation device of claim 2 wherein the locking rope (22) is a strongylon rope.

6. The belted unlocking separating device according to claim 1, further comprising at least one pair of auxiliary ropes (3), one end of said auxiliary ropes (3) being connected to said position maintaining structure (2) and the other end being connected to said belt structure (1), wherein each pair of auxiliary ropes (3) is symmetrically arranged.

7. The belted unlocking-separating device according to claim 2, wherein both ends of the belt body (11) are respectively provided with a connecting column (13), and the connecting columns (13) are used for clamping in the two split clamping blocks (211).

8. The belted unlocking-separation device according to claim 7, wherein said belt structure (1) further comprises clamping nuts (14), each of said connecting columns (13) is in threaded connection with at least two of said clamping nuts (14), and two of said connecting columns (13) are respectively connected to both ends of said belt body (11) in a clamping manner through said clamping nuts (14).

9. The belted unlocking-separation device according to claim 7, wherein two of said split clamping blocks (211) are split nuts for forming threaded holes for threaded connection with said attachment column (13).

10. The belted unlocking separation device according to claim 1, wherein the strap body (11) is in a split ring structure, and a plurality of clamping blocks (12) are uniformly arranged on the circumferential side wall of the strap body (11).

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