CN210793642U

CN210793642U - Automatic disengaging system for air-drop

Info

Publication number: CN210793642U
Application number: CN201921834380.3U
Authority: CN
Inventors: 罗圣洲; 翟红军; 傅剑琳; 刘梅虎; 陈勇; 陈涛
Original assignee: AVIC Aerospace Life Support Industries Ltd
Current assignee: AVIC Aerospace Life Support Industries Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-06-19
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses an automatic disengaging system for air-drop, which comprises a linkage device and a plurality of interlocking disengaging devices; the interlocking separation device comprises a connecting block and two separation blocks, wherein the upper part of the connecting block is connected with goods, the lower part of the connecting block is provided with a connecting shaft, the tops of the separation blocks are respectively provided with a groove, the bottoms of the separation blocks are connected with a binding belt and an elastic belt, the binding belt is connected with a goods platform through a separation mechanism, the elastic belt is fixed with the goods platform, the two separation blocks are respectively provided with a fixed shaft and a fixed hook, the fixed hooks are hung on the fixed shafts, the grooves of the two separation blocks are mutually close to form hanging holes to be hung on the connecting shaft and connected through bolts, and the binding belt and; after the bolt is pulled out, the linkage device synchronously starts all the separating mechanisms at one time, two separating blocks in each interlocking separating device swing towards opposite directions under the action of respective elastic belts and are separated from the connecting shaft in sequence, and the goods are separated from the goods table in the air. The system improves the success rate of air separation.

Description

Automatic disengaging system for air-drop

Technical Field

The invention belongs to the field of air-drop, and particularly relates to an automatic separation system for air-drop.

Background

When the goods are airdropped, the binding belts are fixed on the goods platform, when some airdrops are carried out, the goods are required to be separated from the goods platform in the air, the goods land safely under the action of the parachute, but the binding belts are only used for fixing, so that the goods are not beneficial to being separated from the goods platform in the air.

Disclosure of Invention

The invention aims to provide an automatic separation system for air-drop, which can separate two separation blocks in an interlocking state from a connecting shaft sequentially only by starting any separation mechanism, thereby realizing the air separation of goods from a goods table and improving the success rate of the air separation.

The technical scheme adopted by the invention is as follows:

an automatic disengaging system for air drop comprises a linkage device and a plurality of interlocking disengaging devices for connecting goods and a goods platform; the interlocking separation device comprises a connecting block and two separation blocks, wherein the upper part of the connecting block is connected with goods, a connecting shaft is arranged in an opening space at the lower part of the connecting block, grooves are formed in the tops of the two separation blocks, binding belts and elastic belts are connected with the bottoms of the two separation blocks, the binding belts are connected with a goods table through a separation mechanism, the elastic belts are connected and fixed with the goods table, a fixed shaft and a fixed hook are respectively arranged below the grooves in the two separation blocks, in an initial state, the fixed hooks are hung on the fixed shafts in a swinging mode, the tops of the two separation blocks stretch into the opening space, the grooves in the two separation blocks are close to each other to form hanging holes with openings narrower than the connecting shaft or closed hanging holes, the two separation blocks are hung on the connecting shaft through the hanging holes and are connected through bolts; after the bolt is pulled out, the linkage device synchronously starts all the separating mechanisms at one time, all the binding belts are synchronously separated from the goods platform, two separating blocks in each interlocking separating device swing towards opposite directions under the action of respective elastic belts and are separated from the connecting shaft sequentially, and the goods are separated from the goods platform in the air.

Further, in the initial state, the installation angle of the binding belt and the elastic belt on the same separation block is not less than 90 degrees, and the installation angle of the two binding belts on the same interlocking separation device is larger than the included angle formed by the two separation blocks.

Further, the connecting block comprises two connecting plates connected with each other, and an opening space is formed between the two connecting plates.

Further, the bottom of the separation block is hinged with one corner of the triangular buckle, and the binding belt and the elastic belt are respectively connected with the two remaining corners of the buckle.

Furthermore, the linkage device comprises a limiter fixed on the goods table, a driving rod connected with the limiter through a limiting rope and starting mechanisms corresponding to all the separating mechanisms one by one, each starting mechanism comprises a driving block fixed on the driving rod, a driven rod and a roller arranged at one end of the driven rod and clinging to the driving block, the driving rod and all the driven rods can move along the axis of the driving rod through rod sleeves and are arranged on the goods table, springs capable of applying force to the driving rod and all the driven rods are sleeved on the driving rod and all the driven rods, and in an initial state, the spring on the driving rod tensions the limiting rope through the driving rod, the roller is limited on the plane of the driving block, after the limiting rope is cut off by the limiting device, the springs on the driving rods are released to drive the driving rods and all the driving blocks to retreat, the springs on all the driven rods are synchronously released to drive the rollers to move along the inclined planes of the driving blocks, and the other ends of all the driven rods synchronously retreat to synchronously start the separating mechanisms in one-to-one correspondence.

Further, when the two groups of starting mechanisms are symmetrically arranged on two sides of the driving rod, the two groups of starting mechanisms share one driving block.

Further, flanges are arranged on the driving rod and all the driven rods, and the spring is located between the flange and the rod sleeve.

Further, separating mechanism is including establishing base and the locating part on the goods platform, wobbling establishes the support on the base, through the rotatable fender hook of establishing on the support of rotation axis, spring and the separator of fender hook and support are connected respectively to both ends, separator one end is equipped with the chain axle, the other end is connected with the bundling belt, the support top is equipped with the open slot, under the initial state, the chain axle is located the open slot, thereby the locating part blocks fender hook one end restriction spring pulling fender hook rotation, thereby the opening that the fender hook other end blocked the open slot restricts the chain axle and deviate from the open slot, when the locating part retreats, the spring pulling fender hook is rotatory to make the fender hook leave the opening of open slot, the chain axle breaks away from the open slot and makes bundling belt and.

Furthermore, the whole support is in an A shape with an arched bottom, and two feet are respectively connected with the base in a swinging way.

Further, the holder includes two plate-shaped housings, and the catch hook is located between the two plate-shaped housings and rotatably supported on the two plate-shaped housings by the rotating shaft.

The invention has the beneficial effects that:

according to the system, only one separating mechanism needs to be started, and the two separating blocks in the interlocking state can be separated from the connecting shaft in sequence, so that the goods are separated from the goods table in the air, and the success rate of the separation in the air is improved.

Drawings

FIG. 1 is a schematic diagram of an initial state of an embodiment of the present invention.

FIG. 2 is a schematic view of a connection block and two disengagement blocks of an interlocking disengagement device in an embodiment of the invention.

Fig. 3 is a schematic view showing a state where two disengagement blocks of the interlocking disengagement device are separated in the embodiment of the present invention.

Fig. 4 is a schematic view showing an interlocking state of two disengagement blocks of the interlocking disengagement device in the embodiment of the present invention.

Fig. 5 is a schematic view of the installation of a single interlock release in an initial state according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of the disengagement mechanism of the interlock release apparatus in the initial state according to the embodiment of the present invention.

Fig. 7 is a schematic structural view of the disengagement mechanism of the interlock release apparatus in the embodiment of the present invention in an initial state (the base and the disengagement member are removed for easy observation).

Fig. 8 is a schematic structural view of the separating mechanism of the interlock releasing device according to the embodiment of the present invention when the limiting member is retracted (for convenience of observation, the base, the limiting member, and the separating member are removed).

Fig. 9 is a schematic view showing the structure of a separating member of the separating mechanism of the interlock releasing apparatus in the embodiment of the present invention.

FIG. 10 is a schematic view of the linkage and release mechanism of an embodiment of the present invention.

In the figure: 1-cargo; 2-a cargo bed;

3-interlocking disengagement means; 301-connecting block; 302-an open space; 303-a buckle; 304-1# escape block; 305-a latch; 306-2# escape block; 307-fixed axis; 308-a connecting shaft; 309-socket head cap screw; 310-a tying band; 311-an elastic band; 312-hook;

4-a linkage; 401-a stopper; 402-a limiting rope; 403-active lever; 404-active block; 405-a driven lever; 406-a roller; 407-rod sleeve; 408-a spring;

5-a separation mechanism; 501-base; 502-a stop; 503-rotation axis; 504-support; 505-a separator; 506-catch hook; 507-a spring; 508-chain axis.

Detailed Description

The invention is further described below with reference to the figures and examples.

As shown in fig. 1 to 5, an automatic release system for air drop comprises a linkage 4 and a plurality of interlocking release devices 3 (the interlocking release devices 3 can be distributed according to the shape and size of the goods 1, such as on two sides of the goods 1) for connecting the goods 1 (the goods 1 can be of various types, such as boats, vehicles and the like) and the goods platform 2; the interlocking and separating device 3 comprises a connecting block 301 and two separating blocks (304 and 306), the upper part of the connecting block 301 is connected with the goods 1 (the connecting block 301 is connected with the goods 1 in various ways, such as a screw connection, for example, a hexagon socket screw 309, or a bolt connection, etc.), the opening space 302 at the lower part is internally provided with a connecting shaft 308 (the connecting shaft 308 can adopt a shaft shoulder screw for convenient installation), the tops of the two separating blocks (304 and 306) are respectively provided with a groove, the bottoms of the two separating blocks are respectively connected with a binding belt 310 and an elastic belt 311, the binding belt 311 is respectively connected with the goods platform 2 through a separating mechanism 5, the elastic belt 311 is respectively connected and fixed with the goods platform 2 (the elastic belt 311 is connected and fixed with the goods platform 2 in various ways, such as through a hook 312, or a nail tight connection, etc.), the fixing shaft 307 and a fixing hook are respectively arranged below the grooves on the two separating blocks (, the fixed hook is hung on the fixed shaft 307 in a swinging manner, the tops of the two separation blocks (304 and 306) extend into the opening space 302 (a limit structure for limiting the swinging angle of the

separation blocks

304 and 306, such as a step, can be arranged in the opening space 302 of the connecting block 301, and the

separation blocks

304 and 306 are prevented from swinging too much and flying too far away), the grooves of the two separation blocks are close to each other to form a hanging hole with an opening narrower than the connecting shaft 308 or closed, the two separation blocks (304 and 306) are hung on the connecting shaft 308 through the hanging hole and connected through the bolt 305, and the binding belt 310 and the elastic belt 311 are stretched and respectively act on two sides of the separation blocks (304 and 306); after the bolt 305 is removed, the linkage device 4 synchronously starts all the separating mechanisms 5 at a time, all the binding belts 310 are synchronously separated from the cargo bed 2, two separating blocks (304 and 306) in each interlocking separating device 3 swing in opposite directions under the action of the elastic belts 311 respectively and separate from the connecting shaft 308 sequentially, and the cargo 1 is separated from the cargo bed 2 in the air. According to the system, only one separating mechanism 5 needs to be started, the two mutually-locked separating blocks (304 and 306) can be separated from the connecting shaft 308 in sequence, so that the goods 1 are separated from the goods table 2 in the air, and the success rate of the separation in the air is improved.

In this embodiment, in the initial state, the angle at which the binding band 310 and the elastic band 311 are installed on the same releasing block (304 or 306) is not less than 90 °, and the angle at which the two binding bands 310 are installed on the same interlocking releasing device 3 is greater than the angle formed by the two releasing blocks (304 and 306), so that the overall stability is improved.

In this embodiment, the connecting block 301 comprises two connecting plates connected to each other, and an open space 302 is formed between the two connecting plates, thereby facilitating installation.

As shown in fig. 2 and 5, in this embodiment, the bottom of the disengagement block (304 and 306) is hinged to one corner of the triangular buckle 303, and the binding band 310 and the elastic band 311 are connected to the remaining two corners of the buckle 303, respectively, to improve the connection stability.

As shown in fig. 10, in the present embodiment, the linkage 4 includes a stopper 401 fixed on the cargo bed 2, a driving rod 403 connected to the stopper 401 through a stopper rope 402, and an actuating mechanism corresponding to all the separation mechanisms 5 one by one, the actuating mechanism includes a driving block 404 fixed on the driving rod 403, a driven rod 405, and a roller 406 disposed at one end of the driven rod 405 and abutting against the driving block 404, the driving rod 403 and all the driven rods 405 are disposed on the cargo bed 2 movably along their axes through a rod sleeve 407, the driving rod 403 and all the driven rods 405 are sleeved with springs 408 capable of applying force to themselves, in an initial state, the springs 408 on the driving rod 403 tension the stopper rope 402 through the driving rod 403, the roller 406 is restricted on the plane of the driving block 404, after the stopper 401 breaks the stopper rope 402 (the stopper 401 may use a cutter to break the stopper rope 402 in a cutting manner, or a micro-blaster, the limiting rope 402 is cut off in a micro-blasting manner), the springs 408 on the driving rods 403 are released to drive the driving rods 403 and all the driving blocks 404 to retreat, the springs 408 on all the driven rods 405 are synchronously released to drive the rollers 406 to move along the inclined surfaces of the driving blocks 404, and the other ends of all the driven rods 405 retreat synchronously to synchronously start the one-to-one corresponding separating mechanisms 5. The linkage device 4 realizes synchronous start of all the separating mechanisms 5 at one time, and has high stability.

As shown in fig. 10, in this embodiment, when two sets of actuating mechanisms are symmetrically disposed on two sides of the active rod 403, the two sets of actuating mechanisms share one active block 404, which saves space and is convenient to install.

As shown in fig. 10, in this embodiment, the driving rod 403 and all the driven rods 405 are provided with flanges, and the spring 408 is located between the flanges and the rod sleeve 407, and the existing rod sleeve 407 is used to provide a point of application for the spring 408, and no stop needs to be added on the cargo bed 2.

As shown in fig. 6 to 9, in the present embodiment, the separating mechanism 5 includes a base 501 and a limiting member 502 provided on the cargo bed 2, a support 504 provided on the base 501 and capable of swinging, a catch 506 provided on the support 504 and capable of rotating through a rotation shaft 503, a spring 507 and a separating member 505 having two ends respectively connected to the catch 506 and the support 504, a separating member 5005 having a chain shaft 508 at one end and the other end connected to the binding band 310 (the other end of the separating member 505 can also be connected to the binding band 310 through the chain shaft 508), an open slot provided at the top of the support 504, the chain shaft 508 being located in the open slot in an initial state, the limiting member 502 catching one end of the catch 506 to limit the spring 507 to pull the catch 506 to rotate, the other end of the catch 506 catching the open slot to limit the chain shaft 508 from coming out of the open slot, and when the limiting member 502 retreats (the limiting member, or a mechanical transmission member, in this embodiment, a mechanical transmission member, i.e., the driven rod 405), the spring 507 pulls the catch 506 to rotate so that the catch 506 leaves the opening of the open slot, and the chain shaft 508 (under the combined action of the pulling force of the parachute and the gravity of the cargo 1) leaves the open slot so that the tying band 310 is separated from the cargo bed 2. This separating mechanism 5 simple structure, simple to operate can realize tying the area 310 and separate with goods platform 2 through control locating part 502, and stability is good.

As shown in fig. 6 to 8, in the present embodiment, the support 504 is a shape of a bottom arch as a whole, and two legs are respectively connected to the base 501 in a swingable manner, so that the self weight of the support is reduced.

As shown in fig. 10, in the present embodiment, the support 504 includes two plate-shaped housings, and the catch 506 is located between the two plate-shaped housings and rotatably supported on the two plate-shaped housings by the rotating shaft 503, which not only facilitates installation, but also prevents the catch 506 from coming off.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. An automatic disengaging system for air-drop is characterized in that: comprises a linkage device and a plurality of interlocking and disengaging devices for connecting goods and a goods platform; the interlocking separation device comprises a connecting block and two separation blocks, wherein the upper part of the connecting block is connected with goods, a connecting shaft is arranged in an opening space at the lower part of the connecting block, grooves are formed in the tops of the two separation blocks, binding belts and elastic belts are connected with the bottoms of the two separation blocks, the binding belts are connected with a goods table through a separation mechanism, the elastic belts are connected and fixed with the goods table, a fixed shaft and a fixed hook are respectively arranged below the grooves in the two separation blocks, in an initial state, the fixed hooks are hung on the fixed shafts in a swinging mode, the tops of the two separation blocks stretch into the opening space, the grooves in the two separation blocks are close to each other to form hanging holes with openings narrower than the connecting shaft or closed hanging holes, the two separation blocks are hung on the connecting shaft through the hanging holes and are connected through bolts; after the bolt is pulled out, the linkage device synchronously starts all the separating mechanisms at one time, all the binding belts are synchronously separated from the goods platform, two separating blocks in each interlocking separating device swing towards opposite directions under the action of respective elastic belts and are separated from the connecting shaft sequentially, and the goods are separated from the goods platform in the air.

2. The automatic release system for aerial delivery of claim 1, wherein: in the initial state, the installation angle of the binding belt and the elastic belt on the same separating block is not less than 90 degrees, and the installation angle of the two binding belts on the same interlocking separating device is larger than the included angle formed by the two separating blocks.

3. The automatic release system for aerial delivery of claim 1, wherein: the connecting block includes two interconnect's connecting plate, forms open space between two connecting plates.

4. The automatic release system for aerial delivery of claim 1, wherein: the bottom of the separation block is hinged with one corner of the triangular belt buckle, and the binding belt and the elastic belt are respectively connected with the remaining two corners of the belt buckle.

5. The automatic release system for aerial delivery of claim 1, wherein: the linkage device comprises a limiter fixed on the goods platform, a driving rod connected with the limiter through a limiting rope and starting mechanisms corresponding to all the separating mechanisms one by one, wherein each starting mechanism comprises a driving block fixed on the driving rod, a driven rod and a roller arranged at one end of the driven rod and clinging to the driving block, the driving rod and all the driven rods are arranged on the goods platform and can move along the axis of the driving rod and all the driven rods through rod sleeves, the driving rod and all the driven rods are sleeved with springs capable of applying force to the driving rod and the driven rods, and in an initial state, the spring on the driving rod tensions the limiting rope through the driving rod, the roller is limited on the plane of the driving block, after the limiting rope is cut off by the limiting device, the springs on the driving rods are released to drive the driving rods and all the driving blocks to retreat, the springs on all the driven rods are synchronously released to drive the rollers to move along the inclined planes of the driving blocks, and the other ends of all the driven rods synchronously retreat to synchronously start the separating mechanisms in one-to-one correspondence.

6. The automatic release system for aerial delivery of claim 5, wherein: when the two groups of starting mechanisms are symmetrically arranged at two sides of the driving rod, the two groups of starting mechanisms share one driving block.

7. The automatic release system for aerial delivery of claim 5, wherein: flanges are arranged on the driving rod and all the driven rods, and the springs are located between the flanges and the rod sleeves.

8. An automatic release system for aerial delivery as defined in any of claims 1 to 7, wherein: separating mechanism is including establishing base and the locating part on the goods platform, wobbling establishes the support on the base, establish the catch hook on the support through the rotation axis is rotatable, both ends connect the spring and the separator of catch hook and support respectively, separator one end is equipped with the chain axle, the other end is connected with the bundling belt, the support top is equipped with the open slot, under the initial condition, the chain axle is located the open slot, thereby the locating part blocks catch hook one end restriction spring pulling catch hook rotation, thereby the catch hook other end blocks the opening of open slot and restricts the chain axle and deviate from the open slot, when the locating part retreats, the spring pulling catch hook is rotatory to make the catch hook leave the opening of open slot, the chain axle breaks away from the open slot and makes bundling belt.

9. The automatic release system for aerial delivery of claim 8, wherein: the whole support is in an A shape with an arched bottom, and two feet are respectively connected with the base in a swinging way.

10. The automatic release system for aerial delivery of claim 8, wherein: the support comprises two plate-shaped shells, and the stop hook is positioned between the two plate-shaped shells and is rotatably supported on the two plate-shaped shells through the rotating shaft.