CN-118107809-B - Rope connection unlocking mechanism for encircling and locking irregular-shape object

CN118107809BCN 118107809 BCN118107809 BCN 118107809BCN-118107809-B

Abstract

The invention discloses a rope connection unlocking mechanism for encircling an object with an irregular shape, which is characterized by comprising a fusing component (1), a pull rope (2), an adjusting component (3), a locking force indicating component (4) and a main body collecting component (5), wherein the fusing component (1) is connected with the locking force indicating component (4) through the pull rope (2), the locking force indicating component (4) is connected with the adjusting component (3) through the pull rope (2), the adjusting component (3) is connected with the fusing component (1) through the pull rope (2), the fusing component (1) is locked and electrified for unlocking, the adjusting component (3) realizes pull rope (2) tensioning, and the locking force indicating component (4) judges the pre-tightening force and provides a basis for the tightening position of the adjusting component (3). The invention can carry out flexible locking support of any object in any form and has the advantages of good space adaptability, effective weight reduction, effective impact reduction and good connection rigidity.

Inventors

ZHANG ZHEYUAN
Xia Weilun
ZHU LU
LI MAO
JIANG TAO
PAN SICHEN
CHEN LIANG
Xie Ziou
KANG SHIPENG
REN HAILIAO
WANG TIANYI

Assignees

上海宇航系统工程研究所

Dates

Publication Date: 20260508
Application Date: 20231220

Claims (5)

1. A rope system connection unlocking mechanism for encircling an object with an irregular appearance is characterized by comprising a fusing component (1), a pull rope (2), an adjusting component (3), a locking force indicating component (4) and a main body collecting component (5), wherein the fusing component (1) is connected with the locking force indicating component (4) through the pull rope (2), the locking force indicating component (4) is connected with the adjusting component (3) through the pull rope (2), the adjusting component (3) is connected with the fusing component (1) through the pull rope (2), the main body collecting component (5) is respectively and directly connected with the fusing component (1) and a ground device, the fusing component (1) is connected with the ground device through the main body collecting component (5), The fusing assembly (1) is locked and electrified to unlock, the regulating assembly (3) is used for tensioning the pull rope (2), the locking force indicating assembly (4) is used for judging the magnitude of the pretightening force and providing a basis for the screwing position of the regulating assembly (3), and the main body collecting assembly (5) is used for pulling and collecting the pull rope (2) during unlocking; the fusing assembly (1) comprises two fusing circuit assemblies and two support covers (1-2) which are symmetrically arranged on a support (1-1), wherein the fusing circuit assemblies comprise a fusing resistor (1-5) and a fusing wire (1-6) which are arranged on a base (1-3), the fusing resistor (1-5) is electrified to realize resistance heating, and the fusing wire (1-6) is tightly contacted with the fusing resistor (1-5) and is provided with a ring opening and extends out of the fusing assembly (1); The adjusting assembly (3) comprises a threaded adjusting plate (3-1), a unthreaded hole adjusting plate (3-2) and a first adjusting screw (3-3), wherein the threaded adjusting plate (3-1) is connected with one section of stay cord (2), the unthreaded hole adjusting plate (3-2) is connected with the other section of stay cord (2), and the stay cord (2) is tensioned by screwing the first adjusting screw (3-3); The locking force indicating assembly (4) comprises a threaded baffle (4-1), a unthreaded hole baffle (4-2), springs (4-3) and two long screws (4-4), wherein the tail parts of the two long screws (4-4) are connected with the threaded baffle (4-1) through threads, the heads of the two long screws (4-4) penetrate through unthreaded holes of the unthreaded hole baffle (4-2), the two springs (4-3) are respectively hung on small holes of the unthreaded hole baffle (4-2) and the threaded baffle (4-1), when the adjusting assembly (3) works, the two springs (4-3) are pulled to be lengthened, and the pretightening force of the rope connection unlocking mechanism is known by measuring the relative distance between the threaded baffle (4-1) and the unthreaded hole baffle (4-2); The main body collecting assembly (5) comprises a support (5-1), a small spring (5-2), a small locking screw (5-3), a small locking nut (5-4) and an elastic rope (5-5), wherein the support (5-1) is connected with a ground device through a screw, one end of the elastic rope (5-5) is connected with the fusing assembly (1), the other end of the elastic rope is connected with the small spring (5-2) and then connected with the small locking screw (5-3), the small locking screw (5-3) penetrates through a light hole of the support (5-1) to realize fixed locking through the small locking nut (5-4), and when the main body collecting assembly is unlocked, the fusing assembly (1) is pulled downwards under the action of the main body collecting assembly (5) so as to realize ordered collection and not to hook objects with irregular shapes.
2. The tethered connection unlocking mechanism for encircling a locked irregularly shaped object according to claim 1, wherein the pull cord (2) is a kevlar pull cord.
3. The rope connection unlocking mechanism for encircling and locking an irregularly-shaped object according to claim 1, wherein the fusing circuit assembly further comprises a pressing cover (1-4) arranged on the base (1-3), a second adjusting screw (1-7), an adjusting nut (1-8) and a sliding block (1-9), resistance heating is achieved under the condition that the exterior of the fusing resistor (1-5) is electrified, a loop is reserved when the fusing wire (1-6) is fixedly connected with the sliding block (1-9) and extends out of the fusing assembly (1), the sliding block (1-9) slides in the base (1-3), the second adjusting screw (1-7) is fixedly connected with the sliding block (1-9) and then penetrates through a through hole of the base (1-3) to be in threaded connection with the adjusting nut (1-8), and the position of the sliding block (1-9) in the base (1-3) is adjusted by screwing the second adjusting screw (1-7), so that the position of the loop of the fusing wire (1-6) is adjusted, and the pressing cover (1-4) is provided with the fusing resistor (1-5) and a protective cover (1-6) is arranged.
4. A tethered connection unlocking mechanism for encircling a locked irregularly shaped object according to claim 3, characterized in that the slider (1-9) is provided with two screws, the fuse wire (1-6) is folded in half and then mounted on the two screws by means of a figure 8 binding and is pressed by tightening the screws so as to be fixedly connected with the slider (1-9).
5. The rope connection unlocking mechanism for encircling an object with an irregular shape, according to claim 1, is characterized in that two lugs on the fusing component (1) are connected with two lugs of the locking force indicating component (4) through a section of pull rope (2), the two lugs of the locking force indicating component (4) are connected with two lugs of the adjusting component (3) through a section of pull rope (2), the two lugs of the adjusting component (3) are connected with two fuse links (1-6) of the fusing component (1) through a section of pull rope (2), the rope connection unlocking mechanism can be connected according to pretightening force through the adjusting component (3), and when unlocking is needed, the two fuse links (1-6) are disconnected through electrifying the fusing component (1), so that unlocking of the rope connection unlocking mechanism is realized.

Description

Rope connection unlocking mechanism for encircling and locking irregular-shape object Technical Field The invention relates to the field of design of space mechanisms, in particular to a tethered connection unlocking mechanism for encircling and locking an object with an irregular shape. Background With the development of space science and technology, the development technology trend of the spacecrafts at home and abroad is mature, the appearance of the spacecrafts is more and more complex under the background, and the spacecrafts have higher requirements on mechanical environments such as impact, vibration and the like generated in the transportation or emission separation process. For example, figure 1 shows a grating rudder for collecting the bottom of a rocket. The grid isolation rudder shown in fig. 1 realizes unlocking of the rope connection unlocking mechanism through suspicious program control resistance heating, and realizes restraint of the contact grid isolation rudder. However, the conventional unlocking and connecting scheme for the connection and unlocking of the irregular object can cause great design and development cost and long period, so that the design of the tethered connection and unlocking mechanism for encircling and locking the irregular object is needed. Disclosure of Invention Aiming at the technical problems that in the prior art, the traditional point type connecting and unlocking device cannot connect and unlock an object with an irregular shape, the invention has high development cost and long period, and therefore, provides a rope connecting and unlocking mechanism for encircling and locking the object with the irregular shape. The technical scheme adopted for solving the technical problems is as follows: A rope connection unlocking mechanism for encircling an object with an irregular shape is characterized by comprising a fusing component 1, a pull rope 2, an adjusting component 3, a locking force indicating component 4 and a main body collecting component 5, wherein the fusing component 1 is connected with the locking force indicating component 4 through the pull rope 2, the locking force indicating component 4 is connected with the adjusting component 3 through the pull rope 2, the adjusting component 3 is connected with the fusing component 1 through the pull rope 2, the main body collecting component 5 is respectively and directly connected with the fusing component 1 and a ground device, the fusing component 1 is connected with the ground device through the main body collecting component 5, The fusing assembly 1 is locked and electrified to unlock, the adjusting assembly 3 is tensioned by the pull rope 2, the locking force props the assembly 4 to judge the magnitude of the pretightening force, a basis is provided for the screwing position of the adjusting assembly 3, and the main body collecting assembly 5 is used for pulling and collecting the pull rope (2) during unlocking. Further, the pull rope 2 is a kevlar pull rope. Further, the fusing assembly 1 comprises two fusing circuit assemblies and two support covers 1-2, wherein the two fusing circuit assemblies and the two support covers 1-2 are symmetrically arranged on the support 1-1, the fusing circuit assemblies comprise fusing resistors 1-5 and fusing wires 1-6, the fusing resistors 1-5 are installed on the base 1-3, resistance heating is achieved under the condition that the exterior of the fusing resistors 1-5 are electrified, and the fusing wires 1-6 are tightly contacted with the fusing resistors 1-5, a ring opening is reserved, and extend out of the fusing assembly 1. Further, the fusing circuit assembly further comprises a compression cover 1-4, an adjusting screw 1-7, an adjusting nut 1-8 and a sliding block 1-9 which are arranged on the base 1-3, resistance heating is achieved under the condition that the exterior of the fusing resistor 1-5 is electrified, a loop opening is reserved when the fusing wire 1-6 is fixedly connected with the sliding block 1-9 and extends out of the fusing assembly 1, the sliding block 1-9 slides in the base 1-3, the adjusting screw 1-7 is fixedly connected with the sliding block 1-9 and then penetrates through a through hole of the base 1-3 to be in threaded connection with the adjusting nut 1-8, the adjusting screw 1-7 is screwed to achieve adjustment of the position of the sliding block 1-9 at the base 1-3, and therefore adjustment of the position of the loop opening of the fusing wire 1-6 is achieved, and the compression cover 1-4 is a protective cover after the fusing resistor 1-5 and the fusing wire 1-6 are arranged. Furthermore, the fuse resistor 1-5 is two independent resistors a and b, the upper two ends of the resistor a are welded with the aviation contact pin interface (a+ and a-) through the wires (a+ and a-) and the upper two ends of the resistor b are welded with the aviation contact pin interface (b+ and b-) through the wires (b+ and b-) and the wires and the avi