CN211519902U

CN211519902U - Non-firer fusing connection and separation device

Info

Publication number: CN211519902U
Application number: CN201922016715.7U
Authority: CN
Inventors: 赵航; 关发财; 马国成; 叶耀坤; 丁锋; 王波
Original assignee: Shenyang Aerospace Xinguang Group Co Ltd
Current assignee: Shenyang Aerospace Xinguang Group Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-09-18
Anticipated expiration: 2029-11-20

Abstract

The utility model relates to a non-firer fusing connection and separation device, which is structurally characterized in that a split nut A is arranged on a connecting seat, a shell I is sleeved outside the split nut A and is connected with the connecting seat, and one end of a pressure rod is connected with the split nut A; split nut A include nut lamella AI, nut lamella AII and nut lamella AIII, ratchet tightrope mechanism install in nut lamella AI, fusing mechanism install in nut lamella AII, locking torsional spring and melting rope twine in order in the outside of split nut, locking torsional spring stiff end fixed mounting is on nut lamella AIII, the locking torsional spring free end is connected with the one end of melting the rope, the melting rope other end is connected with ratchet tightrope mechanism. The utility model has the characteristics of small, the quality is light, bearing capacity is big, energy-concerving and environment-protective, repeatedly test uses.

Description

Non-firer fusing connection and separation device

Technical Field

The utility model belongs to the aerospace field especially relates to a novel non-firer fusing connects separation device.

Background

The firearms equipment and the aerospace equipment relate to that the mechanisms for connection and separation mostly adopt an initiating explosive device as a driver, the initiating explosive device has the defects of poor safety, relatively large impact load in the working process, large system structure mass, incapability of repeatedly testing the performance, easy generation of pollution gas or fragments after detonation and the like. With the use of small satellites and high-precision miniature detection equipment, the development of a novel connecting and separating mechanism which is small in size, light in weight, large in bearing capacity, energy-saving, environment-friendly, low in impact and even free of impact is urgently needed to meet the application requirements of micro weapon systems and small carrier rockets which are developed day by day.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a non-firer fusing connection and separation device that bearing capacity is big, energy-concerving and environment-protective, low impact is provided, and unblock synchronism is high moreover, repeatedly usable can satisfy the bearing demand of different operating modes.

The utility model discloses a realize like this:

a non-explosive fusing connection and separation device comprises a shell I, a split nut A, a fusing rope, a ratchet wheel rope tightening mechanism, a locking torsion spring, a fusing mechanism, a connecting seat and a pressure rod; the split nut A is installed on the connecting seat, the shell I is sleeved outside the split nut A and is connected with the connecting seat, a through hole is formed in the upper surface of the shell I, one end of the pressing rod penetrates through the through hole to be connected with the split nut A, the other end of the pressing rod is connected with a base body of the separating system, and the connecting seat is installed on the base body at the other end of the separating system; split nut A include nut lamella AI, nut lamella AII and nut lamella AIII, ratchet tightrope mechanism install in nut lamella AI, fusing mechanism install in nut lamella AII, locking torsional spring and melting rope twine in order in the outside of split nut, locking torsional spring stiff end fixed mounting is on nut lamella AIII, the locking torsional spring free end is connected with the one end of melting the rope, the melting rope other end is connected with ratchet tightrope mechanism.

The ratchet wheel rope tightening mechanism comprises a ratchet wheel shaft, a ratchet wheel lock pin and a lock pin spring, the ratchet wheel shaft is arranged on a nut segment AI, a sliding groove for installing the ratchet wheel lock pin is further formed in the nut segment AI, one end of the ratchet wheel lock pin is arranged in the sliding groove of the nut segment AI, the other end of the ratchet wheel lock pin is meshed with ratchet wheel teeth on the ratchet wheel shaft, one end of the lock pin spring is contacted with the end face of the ratchet wheel lock pin, the other end of the lock pin spring is contacted with the end face of the sliding groove of the nut segment AI, a rope hole is formed in the ratchet wheel shaft, and a melting.

Fusing mechanism include thermal-insulated seat, thermal-insulated seat spring and fuse, be equipped with the spout of the thermal-insulated seat of installation on the nut lamella AII, thermal-insulated seat is installed in the spout on nut lamella AII, be equipped with thermal-insulated seat spring between thermal-insulated seat and the nut lamella AII, the heating section embedding of fuse is installed in thermal-insulated seat recess, the fuse is kept apart through thermal-insulated seat and nut lamella AII, and promote thermal-insulated seat through thermal-insulated seat spring and guarantee that fuse and fusing rope paste tight contact, insulating briquetting an is installed on the top of nut lamella AII, insulating briquetting b, the wire of fuse passes through insulating briquetting an, insulating briquetting b centre gripping is drawn forth through the wire hole on the shell I lateral wall.

The split nut A is provided with a mounting groove on a binding surface contacting with the connecting seat, and the separating spring is mounted in the mounting groove and used for the split nut A to move dispersedly; and the mounting end surfaces of the connecting seat and the split nut A are provided with convex sliding rails.

A non-explosive fusing connection and separation device comprises a shell II, a split nut B, a fusing rope, a ratchet wheel rope tightening mechanism, a locking torsion spring, a fusing mechanism, a connecting seat and a pull rod; the split nut B is installed on the connecting seat, the shell II is sleeved outside the split nut B and is connected with the connecting seat, a through hole is formed in the lower surface of the connecting seat, one end of the pull rod penetrates through the through hole to be connected with the split nut B, the other end of the pull rod is connected with a base body of the separating system, and the connecting seat is installed on the base body at the other end of the separating system; split nut B include nut lamella BI, nut lamella BII and nut lamella BIII, ratchet tightrope mechanism install in nut lamella BII, fusing mechanism install in nut lamella BII, locking torsion spring and melting rope twine in order in the outside of split nut, locking torsion spring stiff end fixed mounting is on nut lamella BIII, locking torsion spring free end is connected with the one end of melting the rope, the melting rope other end is connected with ratchet tightrope mechanism.

The ratchet wheel rope tightening mechanism comprises a ratchet wheel shaft, a ratchet wheel lock pin and a lock pin spring; the ratchet shaft is arranged on the nut petal BI, a sliding groove for mounting a ratchet lockpin is further formed in the nut petal BI, one end of the ratchet lockpin is arranged in the sliding groove of the nut petal BI, the other end of the ratchet lockpin is meshed with ratchet teeth on the ratchet shaft, one end of a lockpin spring is in end face contact with the ratchet lockpin, the other end of the lockpin spring is in end face contact with the sliding groove of the nut petal BI, a rope hole is formed in the ratchet shaft, and a fusion rope penetrates through the rope hole and is connected with the ratchet shaft.

Fusing mechanism include thermal-insulated seat, thermal-insulated seat spring and fuse, be equipped with the spout of the thermal-insulated seat of installation on the nut lamella BII, thermal-insulated seat is installed in the spout on nut lamella BII, be equipped with thermal-insulated seat spring between thermal-insulated seat and the nut lamella BII, the heating section embedding of fuse is installed in thermal-insulated seat recess, the fuse is kept apart through thermal-insulated seat and nut lamella BII, and promote thermal-insulated seat through thermal-insulated seat spring and guarantee that fuse and fusion rope paste tight contact, insulating briquetting an is installed on the top of nut lamella BII, insulating briquetting B, the wire of fuse passes through insulating briquetting an, insulating briquetting B centre gripping is drawn forth through the wire hole on the shell II lateral wall.

The upper portion of split nut B be equipped with the bell mouth, the conical cap is embedded in the bell mouth, top cap spring one end supports the interior terminal surface at shell II, top cap spring other end supports the interior terminal surface at the conical cap, the anticreep bolt passes shell II's upper surface and is connected with the conical cap.

The split nut B is arranged on the connecting seat, and the split nut B is connected with the connecting seat through a connecting rod; and the mounting end surfaces of the connecting seat and the split nut B are provided with convex sliding rails.

The utility model has the advantages that:

1. the utility model discloses a tight rope mechanism of ratchet, the accessible exerts pretension moment to the ratchet axle, comes the pulling force of controlling the rope that melts, locking torsional spring accurately, and abundant guarantee split nut compact structure has improved the bearing capacity of device, has improved fusing unblock performance.

2. The utility model discloses a fusing mechanism be equipped with thermal-insulated seat spring, make fuse and fusing rope in close contact with all the time under thermal-insulated seat spring thrust effect, existing fuse rope that does benefit to improves fusing unblock precision, can protect the fuse again not to be tightened and damage by fusing rope tension effect.

3. The utility model discloses a split nut A (or B) form by nut lamella A (or B) I, nut lamella A (or B) II, the equipment of three nut lamella of nut lamella A (or B) III, use redundant design theory, be equipped with the separation spring in the mounting groove of each nut lamella contact surface, when melting the rope fusing, the radial restraint of split nut has been got rid of, 3 nut lamellas are along radially outwards scattering under the separation spring effect, more help releasing depression bar (pull rod), the reliability of device unblock has been improved.

4. The utility model discloses a connecting seat and split nut installation end face be equipped with protruding slide rail, both played circumference limiting displacement to each nut lamella, can play the slip side effect again, thereby each nut lamella slides along the slide rail after the guarantee split nut dispersion, thereby prevents that each nut lamella from influencing depression bar (pull rod) motion and leading to the unblock unsmooth.

5. The utility model discloses a when pulling structural style and applying, split nut adopts helicitic texture, has improved split nut and has born the weight of the condition, and device bearing capacity is the biggest.

6. The utility model discloses a when pulling structural style and applying, the toper cap of adoption helps split nut to scatter, melts the rope and fuses the back, under the hood spring action, toper cap downstream rises split nut, release pull rod.

7. The utility model discloses a non-firer melts rope mode unblock, greatly reduced unblock load impact.

8. The utility model has the characteristics of small, the quality is light, bearing capacity is big, energy-concerving and environment-protective, repeatedly test uses.

9. The utility model discloses a split nut dispersion mode is got rid of the restraint and is carried out the unblock, actuates the mechanism and adopts redundant design, has high reliability characteristics.

10. The utility model discloses an interface simple various, can realize serialization, universalization.

11. The utility model discloses product bearing capacity serialization, simple structure, specification are various, can realize standardization, serialization.

Drawings

Fig. 1a is a schematic view of a novel non-explosive connecting and separating device according to an embodiment of the present invention.

FIG. 1b is a top view of the structure of FIG. 1 a.

Fig. 2a is a schematic view of a novel non-explosive connecting and separating device according to another embodiment of the present invention.

FIG. 2b is a top view of the structure of FIG. 2 a.

Fig. 3a is a schematic view of the split nut and the connecting seat in fig. 1 a.

Fig. 3b is a left side view of fig. 3 a.

Fig. 3c is a top view of fig. 3 a.

Fig. 3d is a front view of fig. 3 a.

Fig. 4a is a cross-sectional view of the split nut and pull rod of fig. 2 a.

Fig. 4b is a left side view of the internal structure of fig. 2 a.

Fig. 4c is a schematic view of the internal structure of fig. 2 b.

Fig. 4d is a partially enlarged schematic view of fig. 4 a.

Fig. 5 is a schematic structural view of the split nut in fig. 1 b.

Fig. 6 is a schematic top view of the split nut of fig. 5.

Fig. 7 is a front view of the connecting seat structure of the present invention.

Fig. 8 is a schematic isometric view of the structure of fig. 7.

In the figure: 11. the compression bar 12, the shell I, 14, the split nut A, 141, the nut segment AI, 142, the nut segment AI, 143, the nut segment AIII, 21, the shell II, 22, the pull bar, 23, the conical cap, 24, the split nut B, 241, the nut segment BI, 242, the nut segment BII, 243, the nut segment BIII, 25, the top cap spring, 26, the anti-slip bolt, 3, the connecting seat, 4, the fusible rope, 5, the locking torsion spring, 6, the ratchet tightening mechanism, 61, the ratchet shaft, 62, the ratchet lock pin, 63, the lock pin spring, 7, the insulating pressing block a, 8, the insulating pressing block B, 9, the fusing mechanism, 91, the fuse, 92, the heat insulation seat, 93, the heat insulation seat spring, and 10, the separation spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

As in fig. 1a, fig. 1b combines fig. 3a, fig. 3b, fig. 3c, fig. 6, for the utility model discloses a novel non-firer connects separator structure sketch map that embodiment provides, including depression bar 11, shell I12, connecting seat 3, split nut a14, fuse rope 4, locking torsion spring 5, ratchet tight rope mechanism 6, insulating briquetting a7, insulating briquetting b8, fuse mechanism 9, separating spring 10, split nut a14 installs on connecting seat 3, the outside fixed connection of shell I12 suit split nut a14 is on connecting seat 3, the upper surface of shell I is equipped with the through-hole, the one end of depression bar 11 is passed shell I12 through-hole and is connected with split nut a14, the other end of depression bar 11 is connected with separating system's base member. Split nut A14 includes nut lamella AI 141, nut lamella AII 142, nut lamella AIII 143, ratchet tight rope mechanism 6 installs in nut lamella AI 141, and fusing mechanism 9 installs in nut lamella AII 142, locking torsion spring 5 and fuse rope 4 twine in proper order in the outside of split nut, locking torsion spring stiff end fixed mounting is on nut lamella AII, locking torsion spring free end is connected with the one end of fuse rope, the fuse rope other end is connected with ratchet tight rope mechanism.

As shown in fig. 3d combined with fig. 7 and 8, the connecting seat is mounted on the base body at the other end of the separation system, and the end face of the connecting seat 3 is provided with a raised sliding rail structure, so that not only can a circumferential limiting effect be achieved on each nut segment of the split nut a14, but also a sliding side effect can be achieved, each nut segment after the split nut a14 is dispersed can be fully ensured to slide along the sliding rail, and the phenomenon of unlocking clamping stagnation caused by the fact that each nut segment influences the movement of the pressing rod 11 is effectively prevented.

Referring to fig. 3c in combination with fig. 6, the fitting surfaces of the nut segments ai 141, aii 142 and aiii 143 and the connecting seat are provided with mounting grooves, and the separation spring 10 is mounted in the mounting grooves, so that the separation spring facilitates the movement and the scattering of each nut segment along the sliding rail structure of the connecting seat 3 after the fusing and unlocking, and the axial restraint of the pressure lever is removed.

Referring to fig. 6, the ratchet rope tightening machine 6 comprises a ratchet shaft 61, a ratchet lock pin 62 and a lock pin spring 63, wherein the ratchet shaft is installed on a nut segment ai, a chute for installing the ratchet lock pin is further arranged on the nut segment ai, one end of the ratchet lock pin is installed in the chute of the nut segment ai, the other end of the ratchet lock pin is meshed with ratchet teeth on the ratchet shaft, one end of the lock pin spring is in end face contact with the ratchet lock pin, the other end of the lock pin spring is in end face contact with the chute of the nut segment ai, a rope hole is formed in the ratchet shaft, a fusion rope penetrates through the rope hole and is connected with the ratchet shaft, the pre-tightening tension of the fusion rope 4 and the locking torsion spring 5 can be accurately controlled by applying a pre-tightening torque to the ratchet shaft 61, the structural assembly precision of the split nut A14 is fully guaranteed, the.

As shown in fig. 3b and fig. 5, the fusing mechanism comprises a heat insulation seat 92, a heat insulation seat spring 93 and a fuse 91, a sliding groove for installing the heat insulation seat is formed in the nut lamella aii, the heat insulation seat is installed in the sliding groove in the nut lamella aii, the heat insulation seat spring is installed between the heat insulation seat and the nut lamella aii, a heating section of the fuse is embedded and installed in a groove of the heat insulation seat, the fuse is isolated from the nut lamella aii through the heat insulation seat, the heat insulation seat is pushed through the heat insulation seat spring to ensure that the fuse is in close contact with the fuse cord, the fuse cord is favorably fused, the fuse 9 is protected from being damaged by the tension of the fuse cord 4, an insulation pressing block a and an insulation pressing block b are installed at the top end of the nut lamella aii, and the lead of the fuse is clamped through the insulation pressing block a.

Example 2

Referring to fig. 2a and 2B, as shown in fig. 4a to 4d, for the structural schematic diagram of the novel non-explosive connecting and separating device provided by another embodiment of the present invention, in this embodiment, a shell ii21, a pull rod 22, and a split nut B24 are used to replace the shell i 12, the press rod 11, and the split nut a14 in fig. 1a and 1B, and a tapered cap 23, a top cap spring 25, and an anti-dropping bolt 26 are additionally installed, further, the pull rod 22 passes through the connecting seat 3 to be connected with the split nut B24, and other structures remain unchanged. The concrete structure is as follows: the split nut B24 is installed on the connecting seat 3, the shell II21 is sleeved outside the split nut B and connected with the connecting seat, a through hole is formed in the lower surface of the connecting seat, one end of the pull rod 22 penetrates through the through hole to be connected with the split nut B, the other end of the pull rod is connected with a base body of the separating system, and the connecting seat is installed on the base body at the other end of the separating system; split nut B include nut lamella BI 241, nut lamella BII 242 and nut lamella BIII 243, ratchet tight rope mechanism install in nut lamella BI, fusing mechanism install in nut lamella BII, locking torsion spring and melting rope twine in proper order in the outside of split nut, locking torsion spring stiff end fixed mounting is on nut lamella BIII, the locking torsion spring free end is connected with the one end of melting rope, the melting rope other end is connected with ratchet tight rope mechanism.

In a preferred embodiment, as shown in fig. 4d, the split nut B is provided with a tapered hole at its upper part, a tapered cap 23 is inserted into the tapered hole, one end of a top cap spring 25 is supported on the inner end surface of the housing II21, the other end of the top cap spring is supported on the inner end surface of the tapered cap 23, and the tapered cap 23 is wedged into the tapered hole of the split nut B24 under the action of the compression elastic force of the top cap spring 25, so as to facilitate the split movement of the nut halves of the split nut, and a retaining bolt 26 is connected with the tapered cap through the upper surface of the housing II to limit the movement stroke of the tapered cap 23, thereby preventing the tapered cap 23 from being too short to be inoperative and being released to affect unlocking.

Referring to fig. 6, it can be seen that the structure of the ratchet cord tightener 6 comprises a ratchet shaft 61, a ratchet lock pin 62 and a lock pin spring 63, and the pretension force of the fusible cord 4 and the locking torsion spring 5 can be accurately controlled by applying pretension torque to the ratchet shaft 61, so that the structural assembly precision of the split nut B24 is fully ensured, the bearing capacity of the device is improved, and the fusing unlocking performance is improved.

It should be noted that the present invention has two structural forms, which are the compression bearing structural form of fig. 1a and the tension bearing structural form of fig. 2a, but the bearing capacity is different due to the different bearing modes of the two structural forms, and compared with that, the bearing capacity of the tension bearing structural form of fig. 2a is the largest.

The utility model discloses main theory of operation:

when the two-stage separation system is connected, the connecting seat 3 is installed on the base body of the separation system at one end, one end of the pressure lever 11 or the pull rod 22 is connected with the split nut A14 or the split nut B24, the other end of the pressure lever is connected with the base body at the other end of the separation system, the melting rope 4 is pulled by the ratchet wheel rope tightening mechanism 6 to shrink and lock the middle diameter of the locking torsion spring 5, so that radial constraint is added to the split nut A14 or the split nut B24, the assembly precision of each nut split is ensured, namely, the pressure lever 11 or the pull rod 22 is axially constrained, and the connection of the two-stage separation system is completed.

When the two-stage separation system is separated, when a given electric signal drives the fuse 91 to heat up and fuse the fuse rope 4, the locking torsion spring 5 is released, namely the radial constraint of the split nut A14 or the split nut B24 is removed, and each nut lobe moves and spreads along the sliding rail under the action of the separation spring 10 (under the action of the conical cap 23 in the pressed bearing structure form), so that the axial constraint of the compression bar 11 or the pull bar 22 is removed, and the separation of the two-stage separation system is completed.

The above is the utility model discloses a concrete embodiment and the technical principle who utilizes, any basis the utility model discloses any modification, equivalent transformation on the technical scheme basis all should be contained within the protection scope.

Claims

1. A non-explosive fusing connection and separation device is characterized by comprising a shell I, a split nut A, a fusing rope, a ratchet wheel rope tightening mechanism, a locking torsion spring, a fusing mechanism, a connecting seat and a pressure rod; the split nut A is installed on the connecting seat, the shell I is sleeved outside the split nut A and is connected with the connecting seat, a through hole is formed in the upper surface of the shell I, one end of the pressing rod penetrates through the through hole to be connected with the split nut A, the other end of the pressing rod is connected with a base body of the separating system, and the connecting seat is installed on the base body at the other end of the separating system; split nut A include nut lamella AI, nut lamella AII and nut lamella AIII, ratchet tightrope mechanism install in nut lamella AI, fusing mechanism install in nut lamella AII, locking torsional spring and melting rope twine in order in the outside of split nut, locking torsional spring stiff end fixed mounting is on nut lamella AIII, the locking torsional spring free end is connected with the one end of melting the rope, the melting rope other end is connected with ratchet tightrope mechanism.

2. A non-pyrotechnic fused link disconnect device as claimed in claim 1 wherein said ratchet cord tensioning mechanism includes a ratchet shaft, a ratchet pin and a pin spring; the ratchet shaft is arranged on the nut segment AI, a sliding groove for installing a ratchet lockpin is further formed in the nut segment AI, one end of the ratchet lockpin is arranged in the sliding groove of the nut segment AI, the other end of the ratchet lockpin is meshed with ratchet teeth on the ratchet shaft, one end of a lockpin spring is contacted with the end face of the ratchet lockpin, the other end of the lockpin spring is contacted with the end face of the sliding groove of the nut segment AI, a rope hole is formed in the ratchet shaft, and a fusion rope penetrates through the rope hole and is connected with the ratchet shaft.

3. The non-explosive fusing connection and separation device as claimed in claim 1, wherein the fusing mechanism comprises a heat insulation seat, a heat insulation seat spring and a fuse, a sliding groove for installing the heat insulation seat is formed in the nut segment AII, the heat insulation seat is installed in the sliding groove in the nut segment AII, the heat insulation seat spring is installed between the heat insulation seat and the nut segment AII, a heating section of the fuse is embedded and installed in a groove of the heat insulation seat, the fuse is isolated from the nut segment AII through the heat insulation seat, the heat insulation seat is pushed through the heat insulation seat spring to ensure that the fuse is in close contact with a fusing rope, an insulation pressing block a and an insulation pressing block b are installed at the top end of the nut segment AII, and a wire of the fuse is clamped by the insulation pressing block a and the insulation pressing block b and led out.

4. The non-pyrotechnic fused connection and disconnection device as claimed in claim 1, wherein the abutting surface of the split nut a contacting the connecting socket is provided with an installation groove, and the disconnection spring is installed in the installation groove for the split nut a to move dispersedly; and the mounting end surfaces of the connecting seat and the split nut A are provided with convex sliding rails.

5. A non-explosive fusing connection and separation device is characterized by comprising a shell II, a split nut B, a fusing rope, a ratchet wheel rope tightening mechanism, a locking torsion spring, a fusing mechanism, a connecting seat and a pull rod; the split nut B is installed on the connecting seat, the shell II is sleeved outside the split nut B and is connected with the connecting seat, a through hole is formed in the lower surface of the connecting seat, one end of the pull rod penetrates through the through hole to be connected with the split nut B, the other end of the pull rod is connected with a base body of the separating system, and the connecting seat is installed on the base body at the other end of the separating system; split nut B include nut lamella BI, nut lamella BII and nut lamella BIII, ratchet tightrope mechanism install in nut lamella BII, fusing mechanism install in nut lamella BII, locking torsion spring and melting rope twine in order in the outside of split nut, locking torsion spring stiff end fixed mounting is on nut lamella BIII, locking torsion spring free end is connected with the one end of melting the rope, the melting rope other end is connected with ratchet tightrope mechanism.

6. The non-pyrotechnic fusing connection and separation device as claimed in claim 5, wherein the ratchet tightening mechanism comprises a ratchet shaft, a ratchet lock pin and a lock pin spring, the ratchet shaft is mounted on the nut piece BI, a sliding groove for mounting the ratchet lock pin is further formed in the nut piece BI, one end of each ratchet lock pin is mounted in the sliding groove of the nut piece BI, the other end of each ratchet lock pin is meshed with ratchet teeth on the ratchet shaft, one end of each lock pin spring is in contact with the end face of each ratchet lock pin, the other end of each lock pin spring is in contact with the end face of the corresponding sliding groove of the nut piece BI, a rope hole is formed in the ratchet shaft, and the fusing rope penetrates through the rope hole to be connected with the ratchet.

7. The non-explosive fusing connection and separation device as claimed in claim 5, wherein the fusing mechanism comprises a heat insulation seat, a heat insulation seat spring and a fuse, a sliding groove for installing the heat insulation seat is formed in the nut flap BII, the heat insulation seat is installed in the sliding groove in the nut flap BII, the heat insulation seat spring is installed between the heat insulation seat and the nut flap BII, a heating section of the fuse is embedded and installed in a groove of the heat insulation seat, the fuse is isolated from the nut flap BII through the heat insulation seat, the heat insulation seat is pushed through the heat insulation seat spring to ensure that the fuse is in close contact with a fusing rope, an insulation pressing block a and an insulation pressing block B are installed at the top end of the nut flap BII, and a wire of the fuse is clamped by the insulation pressing block a and the insulation pressing block B and led out.

8. The non-pyrotechnic fused connection and disconnection device as claimed in claim 5 wherein the split nut has a tapered hole at an upper portion thereof, a tapered cap is inserted into the tapered hole, one end of the top cap spring is supported at the inner end surface of the housing II, the other end of the top cap spring is supported at the inner end surface of the tapered cap, and the separation preventing bolt is connected to the tapered cap through the upper surface of the housing II.

9. The non-pyrotechnic fused connection and disconnection device as claimed in claim 5, wherein the abutting surface of the split nut B contacting the connecting socket is provided with an installation groove, and the disconnection spring is installed in the installation groove and used for the split nut B to move in a dispersed manner; and the mounting end surfaces of the connecting seat and the split nut B are provided with convex sliding rails.