Aluminum alloy cable with efficient flame-retardant and fireproof functions

Abstract

The invention discloses an efficient flame-retardant fireproof aluminum alloy cable, and belongs to the field of cables. The aluminum alloy cable comprises a sheath, three inner cores arranged in the sheath, and fireproof groups uniformly arranged on the surface of the sheath along the circumferential direction. The fireproof group comprises a plurality of fireproof units which are arranged at equal intervals along the length direction of the outer skin; groove bodies used for containing the fireproof units are evenly formed in the surface of the outer skin. The fireproof unit comprises a shell, a gas cylinder installed in the shell and driving mechanisms arranged on the two sides of the shell in the length direction of the outer skin. According to the scheme, flame burns out the pull rope, then the position of the flame on the outer skin is confirmed, the fireproof units close to the left side and the right side of the flame work, the shell can rotate till the gas spraying holes face the flame, carbon dioxide gas is sprayed out to the flame, oxygen is isolated, and the purpose of rapid fire extinguishing is achieved.

Description

Technical Field

[0001] The present invention belongs to the field of cables, and more specifically, relates to an aluminum alloy cable with high-efficiency flame retardancy and fire prevention. Background Art

[0002] During the indoor use of cables, if heat dissipation is not timely, it will cause excessive local heat of the cables, thereby causing a fire.

[0003] Existing fire-resistant cables are usually provided with fire extinguishing components. When the cable burns, the fire extinguishing components will spray fire extinguishing gas around. However, the position of the flame is usually on one side of the fire extinguishing component, resulting in the fire extinguishing gas sprayed by the fire extinguishing component only having a fire extinguishing effect in the direction towards the flame. The fire extinguishing component cannot concentrate the sprayed fire extinguishing gas according to the position of the flame, resulting in low fire extinguishing efficiency and waste of fire extinguishing gas. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide an aluminum alloy cable with high-efficiency flame retardancy and fire prevention, which can achieve centralized fire extinguishing of the flame according to the position of the flame.

[0005] An aluminum alloy cable with high-efficiency flame retardancy and fire prevention of the present invention includes an outer skin, three inner cores arranged inside the outer skin, and a fire prevention group evenly arranged on the surface of the outer skin along the circumferential direction; the fire prevention group includes a plurality of fire prevention units arranged at equal intervals along the length direction of the outer skin; the surface of the outer skin is evenly provided with grooves for accommodating the fire prevention units; the fire prevention unit includes a housing, a gas cylinder installed inside the housing, and driving mechanisms arranged on both sides of the housing along the length direction of the outer skin; the surface of the housing is evenly provided with air spraying holes connected to the gas cylinder; in one fire prevention group, adjacent two fire prevention units are connected by a pulling rope; the housing is rotatably connected inside the driving mechanism; when each fire prevention unit is located in the groove, the surface of the outer skin is cylindrical; when a pulling rope is burned off, the housings in the two fire prevention units connected to the pulling rope rotate towards the pulling rope direction, and the air spraying holes face the fire source.

[0006] As a further improvement of the present invention, the driving mechanism includes a limit slider for restricting the rotation of the housing and a pressing plate for driving the rotation of the housing; a switching turntable for driving the movement of the limit slider and the pressing plate is rotatably connected in the groove.

[0007] As a further improvement of the present invention, rotating columns are arranged on both sides of the housing; the driving mechanism further includes a connecting part rotatably connected to the rotating column; a toothed part is arranged on the connecting part; the limit slider and the connecting part slide relative to each other; a clamping groove for inserting and blocking the movement of the connecting part is arranged on the limit slider.

[0008] As a further improvement of the present invention, a lifting frame is connected to the connecting portion in a radially sliding manner along the shell; the lifting frame abuts against an eccentric position on the shell; an inclined lifting slope is provided on the side of the lifting frame close to the abutment plate; the abutment plate can abut against the lifting slope, thereby driving the lifting frame to slide.

[0009] As a further improvement of the present invention, the driving mechanism also includes a sliding rod fixedly connected to the groove body; the support plate and the limit slider are slidably connected to the sliding rod, and the sliding directions of the support plate and the limit slider are parallel; a force storage spring is arranged between the support plate and the sliding rod.

[0010] As a further improvement of the present invention, the driving mechanism also includes an external limit frame sliding in the groove body for hindering the movement of the limit slider, and an internal limit frame slidably connected in the groove body for hindering the movement of the abutment plate; the external limit frame abuts against one end of the limit slider away from the abutment plate, and the internal limit frame abuts against one end of the abutment plate away from the limit slider.

[0011] As a further improvement of the present invention, the sliding directions of the outer limit frame and the inner limit frame are parallel; the driving mechanism also includes a synchronous gear that is rotatably arranged to drive the outer limit frame and the inner limit frame to slide in opposite directions; the synchronous gears in the two driving mechanisms are connected to the switching turntable through a synchronous belt transmission.

[0012] As a further improvement of the present invention, a push plate is provided on the side wall of the switching turntable; the pull rope is provided with end heads at both ends in the slot body; one slot body has two end heads, which are located on the left and right sides of the push plate; a thrust spring is provided between each end head and the push plate.

[0013] As a further improvement of the present invention, a limiting groove is provided at one end of the end head close to the push plate; a stop frame is fixedly connected in the groove body and is plugged into the limiting groove to prevent the end head from moving toward the push plate.

[0014] As a further improvement of the present invention, a valve is provided on the gas cylinder; a latch for controlling the opening and closing of the valve is slidably connected to the valve; the latch passes through the shell and abuts against the eccentric position of the surface of the switching turntable; a latch spring for driving the latch to separate from the valve is provided between the latch and the gas cylinder; a positioning surface abutting against the latch is provided on the switching turntable; grooves for separating the latch from the valve are respectively provided on both sides of the positioning surface on the switching turntable.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: This solution uses a flame to burn the pull rope, thereby confirming the position of the flame on the outer skin, enabling the fire prevention units on the left and right sides near the flame to work, and the housing will rotate so that the gas injection holes face the flame, spraying carbon dioxide gas towards the flame to isolate oxygen and achieve the purpose of quickly extinguishing the fire. Therefore, no matter where the flame appears on the outer skin, the housings on both sides of the flame will face the flame immediately, and the fire prevention units will not spray carbon dioxide gas in the direction away from the flame, avoiding waste and improving the fire extinguishing efficiency.

[0016] In this solution, by setting two sets of driving mechanisms and controlling the change in the movement directions of the limit sliders and the abutting plates in the two sets of driving mechanisms, the housing can rotate so that the gas injection holes face the right side, or the housing can rotate so that the gas injection holes face the left side. The rotation direction of the housing is automatically adjusted according to the position of the flame, so that the gas injection holes accurately face the flame.

[0017] The elastic force accumulated in the energy storage spring in this solution can be used not only to drive the separation of the cogs and the card slots, enabling the housing to rotate, but also to drive the movement of the abutting plate, enabling the housing to rotate towards the flame direction.

[0018] In this solution, through the cooperation of the end heads on the pull rope and the switching turntable, after different pull ropes are burned, the rotation directions of the switching turntable are different. According to the position of the flame, the switching turntable rotates to the left or right, and then the housing rotates towards the flame direction.

[0019] In this solution, the bolt controls the opening of the gas cylinder. When the housing rotates towards the flame direction, the bolt no longer contacts the switching turntable, and then the bolt disengages from the valve, and the gas cylinder sprays carbon dioxide gas to extinguish the fire; when the housing cannot rotate due to the obstruction of an external object, as the switching turntable rotates, the groove cooperates with the bolt, causing the bolt to separate from the valve, and the carbon dioxide gas ejected from the gas cylinder accumulates near the housing, effectively preventing the flame from spreading to the vicinity of the housing, thereby achieving the purpose of extinguishing the fire. That is, whether the housing is separated from the groove body or not, when the flame burns the pull rope, the gas cylinders in the fire prevention units connected to the pull rope will release carbon dioxide gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the present invention in the initial state; Figure 2 is a schematic structural diagram of the present invention when the fire prevention unit extinguishes the fire; Figure 3 is a schematic cross-sectional structural diagram of the present invention's fire prevention unit; Figure 4 is a schematic exploded structural diagram inside the present invention's fire prevention unit; Figure 5 is a schematic exploded structural diagram of the present invention's driving mechanism; Figure 6 It is a structural schematic diagram of the switching turntable of the present invention; Figure 7 It is a schematic diagram of the structure after the limit sliding block of the present invention is separated from the connecting part; Figure 8 It is a schematic diagram of the structure after the abutment plate driving housing leaves the slot body of the present invention.

[0021] Description of the numbers in the figure: 11. Outer skin; 111. Groove body; 12. Inner core; 13. Fireproof unit; 2. Shell; 21. Ventilation cavity; 22. Mounting cavity; 23. Jet hole; 24. Rotating column; 3. Gas cylinder; 31. Valve; 32. Latch; 321. Baffle; 33. Latch spring; 4. Driving mechanism; 41. Connecting part; 411. Gear; 42. Limiting slider; 421. Slot; 43. Sliding rod; 44. Stop plate; 45. Force storage spring; 46. Lifting frame; 461. Lifting inclined plane; 47. External limit frame; 471. External rack; 48. Internal limit frame; 481. Internal rack; 49. Synchronous gear; 5. Switching turntable; 51. Groove; 52. Push plate; 53. Positioning surface; 6. Pull rope; 61. End; 62. Limiting groove; 63. Thrust spring; 7. Stop frame; 8. Synchronous belt. DETAILED DESCRIPTION

[0022] Specific embodiment 1: Please refer to Figures 1 - 8 A highly effective flame-retardant and fireproof aluminum alloy cable comprises an outer skin 11, three inner cores 12 arranged in the outer skin 11, and a fireproofing group uniformly arranged on the surface of the outer skin 11 along the circumferential direction; the fireproofing group comprises a plurality of fireproofing units 13 arranged at equal intervals along the length direction of the outer skin 11; a groove body 111 for accommodating the fireproofing units 13 is uniformly arranged on the surface of the outer skin 11; the fireproofing unit 13 comprises a shell 2, a gas cylinder 3 installed in the shell 2, and a driving mechanism 4 arranged on both sides of the shell 2 along the length direction of the outer skin 11; the surface of the shell 2 is uniformly provided with jet holes 23 connected to the gas cylinder 3; in a fireproofing group, two adjacent fireproofing units 13 are connected by a pull rope 6; the shell 2 is rotatably connected in the driving mechanism 4; when each fireproofing unit 13 is located in the groove body 111, the surface of the outer skin 11 is cylindrical; when a pull rope 6 is burned, the shells 2 in the two fireproofing units 13 connected to the pull rope 6 rotate in the direction of the pull rope 6, and the jet holes 23 face the fire source.

[0023] The housing 2 is provided with a ventilation cavity 21 connected to each gas injection hole 23 and a mounting cavity 22 which is not connected to the ventilation cavity 21 ; the gas cylinder 3 is located in the mounting cavity 22 .

[0024] The driving mechanism 4 includes a limit slider 42 for limiting the rotation of the housing 2 and a stop plate 44 for driving the housing 2 to rotate. A switching turntable 5 for driving the limit slider 42 and the stop plate 44 to move is rotatably connected in the slot 111 .

[0025] The housing 2 is provided with rotating columns 24 on both sides; the driving mechanism 4 also includes a connecting portion 41 rotatably connected to the rotating column 24; the connecting portion 41 is provided with a latch tooth 411; the limiting slider 42 slides relative to the connecting portion 41; the limiting slider 42 is provided with a latch groove 421 which is plugged into the latch tooth 411 to prevent the connecting portion 41 from moving.

[0026] A lifting frame 46 is connected to the connecting portion 41 in a radially sliding manner along the shell 2; the lifting frame 46 abuts against an eccentric position on the shell 2; a side of the lifting frame 46 close to the abutment plate 44 is provided with an inclined lifting slope 461; the abutment plate 44 can abut against the lifting slope 461, thereby driving the lifting frame 46 to slide.

[0027] When the housing 2 is located in the slot 111, the latch teeth 411 in the driving mechanisms 4 on both sides of the housing 2 are plugged into the latch grooves 421, and the housing 2 is fixed in the slot 111. When the latch teeth 411 in one driving mechanism 4 are separated from the latch grooves 421, the stop plate 44 in the other driving mechanism 4 drives the lifting frame 46 to move through the lifting inclined surface 461, and the lifting frame 46 pushes the eccentric position of the housing 2, so that the housing 2 rotates along the rotating column 24 close to the moving lifting frame 46, and the housing 2 leaves the slot 111.

[0028] The driving mechanism 4 also includes a slide rod 43 fixedly connected in the groove body 111; the abutment plate 44 and the limit slider 42 are slidably connected to the slide rod 43, and the sliding directions of the abutment plate 44 and the limit slider 42 are parallel; a force storage spring 45 is arranged between the abutment plate 44 and the slide rod 43.

[0029] The cross section of the slide bar 43 is non-circular, so the abutment plate 44 and the limit slider 42 only slide along the slide bar 43 without rotating.

[0030] The driving mechanism 4 also includes an outer limit frame 47 that slides in the groove body 111 and is used to hinder the movement of the limit slider 42, and an inner limit frame 48 that is slidably connected in the groove body 111 and is used to hinder the movement of the abutment plate 44; the outer limit frame 47 abuts against one end of the limit slider 42 away from the abutment plate 44, and the inner limit frame 48 abuts against one end of the abutment plate 44 away from the limit slider 42.

[0031] Due to the obstruction of the outer limit frame 47 and the inner limit frame 48, the limit slider 42 and the push plate 44 cannot move, and the force storage spring 45 contracts to store force. When the outer limit frame 47 slides and no longer restricts the movement of the limit slider 42, the force storage spring 45 pushes the limit slider 42 to move, and the latching tooth 411 separates from the latching groove 421. When the inner limit frame 48 slides and no longer restricts the movement of the push plate 44, the force storage spring 45 pushes the push plate 44 to move, and the push plate 44 pushes the lifting frame 46 to move.

[0032] The sliding directions of the outer limit frame 47 and the inner limit frame 48 are parallel; the driving mechanism 4 also includes a synchronous gear 49 which is rotatably arranged to drive the outer limit frame 47 and the inner limit frame 48 to slide in opposite directions; the synchronous gears 49 in the two driving mechanisms 4 are connected to the switching turntable 5 through a synchronous belt 8.

[0033] The outer limit frame 47 is provided with an outer rack 471 meshing with the synchronous gear 49 ; the inner limit frame 48 is provided with an inner rack 481 meshing with the synchronous gear 49 .

[0034] A push plate 52 is provided on the side wall of the switching turntable 5; the pull rope 6 is provided with end heads 61 at both ends in the groove body 111; one groove body 111 has two end heads 61, and the two end heads 61 are located on the left and right sides of the push plate 52; a thrust spring 63 is provided between each end head 61 and the push plate 52.

[0035] A limiting groove 62 is disposed at one end of the end head 61 close to the push plate 52 ; a stop frame 7 is fixedly connected in the groove body 111 and is plugged into the limiting groove 62 to prevent the end head 61 from moving toward the push plate 52 .

[0036] For the two ends 61 in a slot 111, the pull rope 6 on the end 61 on the left side of the push plate 52 passes through the push plate 52 and is connected to the end 61 on the right side of the push plate 52 corresponding to the fireproof unit 13 on the right side of the slot 111 (such as Figure 6 as shown).

[0037] When the pull ropes 6 are not burned out, the housing 2 is located in the slot 111, the pull ropes 6 are straightened, the thrust springs 63 on both sides of the push plate 52 store force, and the push plate 52 is located in the middle position.

[0038] When the pull rope 6 on the right side of the slot body 111 is burned out, the end 61 on the left side of the push plate 52 connected to the pull rope 6 will be released and no longer bear the tension of the pull rope 6. Then, the end 61 on the left side of the push plate 52 will move away from the push plate 52 under the action of the thrust spring 63. At this time, the end 61 on the right side of the push plate 52 does not move. However, due to the change in the force on both sides of the push plate 52, the thrust spring 63 on the right side of the push plate 52 will push the push plate 52 to rotate to the left, and then the switching turntable 5 will rotate to the left. The switching turntable 5 drives the two synchronous gears 49 to rotate. As the two synchronous gears 49 rotate, in the drive mechanism 4 on the left side in the slot body 111, the synchronous gear 49 drives the outer limit frame 47 to separate from the limit slider 42; in the drive mechanism 4 on the right side in the slot body 111, the synchronous gear 49 drives the inner limit frame 48 to separate from the abutting plate 44. Then, the housing 2 will rotate along the rotating column 24 on the right side of the housing 2, and the air jet holes 23 on the surface of the housing 2 will face the direction of the fire source.

[0039] A valve 31 is provided on the gas cylinder 3; a bolt 32 for controlling the opening and closing of the valve 31 is slidably connected to the valve 31; the bolt 32 passes through the housing 2 and abuts against an eccentric position on the surface of the switching turntable 5; a bolt spring 33 for driving the bolt 32 to separate from the valve 31 is provided between the bolt 32 and the gas cylinder 3; a positioning surface 53 for abutting against the bolt 32 is provided on the switching turntable 5; grooves 51 for separating the bolt 32 from the valve 31 are respectively provided on both sides of the positioning surface 53 on the switching turntable 5.

[0040] A baffle 321 for abutting against the bolt spring 33 is provided on the side wall of the bolt 32.

[0041] When the housing 2 rotates and leaves the slot body 111, the bolt 32 no longer abuts against the switching turntable 5. Then, the bolt spring 33 drives the bolt 32 to separate from the valve 31, and the valve 31 is opened. The carbon dioxide gas in the gas cylinder 3 enters the ventilation cavity 21. When the pull rope 6 is burned out due to external reasons and the housing 2 cannot rotate and leave the slot body 111, since the switching turntable 5 rotates, the groove 51 is aligned with the bolt 32, causing the bolt 32 to move into the groove 51 under the action of the bolt spring 33, and the bolt 32 separates from the valve 31. The gas cylinder 3 still releases carbon dioxide gas.

[0042] The part of the pull rope 6 outside the slot body 111 is attached to the outer skin 11. The pull rope 6 enters the slot body 111 through the guidance of several guide rollers and is connected to the end 61.

[0043] In the initial state, each housing 2 is located in the corresponding slot body 111. The outer limit frame 47 restricts the movement of the limit slider 42, and the inner limit frame 48 restricts the movement of the abutting plate 44.

[0044] When the surface of the outer skin 11 catches fire, the flame will burn through the pull cord 6 near the flame. After the pull cord 6 is burned through, for the fire prevention unit 13 on the left side of the flame connected to the pull cord 6, the end 61 on the left side of the push plate 52 in the fire prevention unit 13 is released, and the thrust spring 63 on the right side of the push plate 52 pushes the push plate 52 to move to the right, causing the switching turntable 5 to rotate a certain angle to the right.

[0045] As the switching turntable 5 rotates a certain angle to the right, the switching turntable 5 drives two synchronous gears 49 to rotate through the synchronous belt 8. The synchronous gear 49 on the left side of the housing 2 drives the outer limit frame 47 to move away from the limit slider 42, and the outer limit frame 47 is separated from the limit slider 42. At the same time, the synchronous gear 49 drives the inner limit frame 48 to move towards the abutment plate 44, and the inner limit frame 48 still restricts the movement of the abutment plate 44. Then the energy storage spring 45 pushes the limit slider 42 to move, and the limit slider 42 is separated from the connecting portion 41.

[0046] At the same time, the synchronous gear 49 on the right side of the housing 2 drives the inner limit frame 48 to move away from the abutment plate 44, and the inner limit frame 48 is separated from the abutment plate 44. At the same time, the synchronous gear 49 drives the outer limit frame 47 to move towards the limit slider 42, and the outer limit frame 47 still restricts the movement of the limit slider 42. Then the energy storage spring 45 pushes the abutment plate 44 to move. The abutment plate 44 drives the lifting frame 46 to slide through the lifting inclined surface 461, and the lifting frame 46 drives the housing 2 to rotate towards the flame. Finally, the housing 2 faces the flame.

[0047] As the housing 2 leaves the groove body 111, the switching turntable 5 is separated from the plug pin 32. The plug pin spring 33 drives the plug pin 32 to be separated from the valve 31, and the valve 31 opens. The carbon dioxide gas in the gas cylinder 3 enters the ventilation cavity 21 and is sprayed towards the flame through the spray holes 23.

[0048] Similarly, for the fire prevention unit 13 on the right side of the flame, the housing 2 rotates along the rotating column 24 on the left side of the housing 2, so that the spray holes 23 on the housing 2 face the flame and carbon dioxide gas is sprayed out.

[0049] In this solution, the aluminum alloy cable is laid indoors where there is no air flow, so the carbon dioxide gas released from the gas cylinder will not be dispersed by the external wind.

Claims

1. An aluminum alloy cable with high efficiency flame retardancy and fire protection, characterized by: The invention comprises an outer skin (11), three inner cores (12) arranged in the outer skin (11), and a fire prevention group uniformly arranged on the surface of the outer skin (11) along the circumferential direction; the fire prevention group comprises a plurality of fire prevention units (13) arranged at equal intervals along the length direction of the outer skin (11); the surface of the outer skin (11) is uniformly provided with grooves (111) for accommodating the fire prevention units (13); the fire prevention units (13) comprise a shell (2), a gas cylinder (3) installed in the shell (2), and a driving mechanism (4) arranged on both sides of the shell (2) along the length direction of the outer skin (11); the The shell (2) is evenly provided with jet holes (23) connected to the gas cylinder (3) on its surface; two adjacent fire protection units (13) are connected via a pull rope (6) in a fire protection group; the shell (2) is rotatably connected in the driving mechanism (4); when each fire protection unit (13) is located in the groove body (111), the surface of the outer skin (11) is cylindrical; when a pull rope (6) is burned, the shells (2) in the two fire protection units (13) connected to the pull rope (6) rotate in the direction of the pull rope (6), and the jet holes (23) face the fire source.

2. The highly flame-retardant and fire-resistant aluminum alloy cable according to claim 1, characterized in that: The driving mechanism (4) comprises a limit slider (42) for limiting the rotation of the housing (2) and a stop plate (44) for driving the housing (2) to rotate; a switching turntable (5) for driving the limit slider (42) and the stop plate (44) to move is rotatably connected in the groove body (111).

3. The highly flame-retardant and fire-resistant aluminum alloy cable according to claim 2, characterized in that: Rotating columns (24) are provided on both sides of the housing (2); the driving mechanism (4) further comprises a connecting portion (41) rotatably connected to the rotating column (24); a latching tooth (411) is provided on the connecting portion (41); the limiting slider (42) slides relative to the connecting portion (41); and a latching groove (421) is provided on the limiting slider (42) for plugging into the latching tooth (411) to prevent the connecting portion (41) from moving.

4. The highly flame-retardant and fire-resistant aluminum alloy cable according to claim 3 is characterized in that: A lifting frame (46) is radially slidably connected to the connection portion (41) along the shell (2); the lifting frame (46) abuts against an eccentric position on the shell (2); a lifting inclined surface (461) is provided on a side of the lifting frame (46) close to the abutment plate (44); the abutment plate (44) can abut against the lifting inclined surface (461), thereby driving the lifting frame (46) to slide.

5. The highly flame-retardant and fire-resistant aluminum alloy cable according to claim 2, characterized in that: The driving mechanism (4) further comprises a slide bar (43) fixedly connected to the groove body (111); the support plate (44) and the limit slider (42) are slidably connected to the slide bar (43), and the sliding directions of the support plate (44) and the limit slider (42) are parallel; and a force storage spring (45) is provided between the support plate (44) and the slide bar (43).

6. The highly flame-retardant and fire-resistant aluminum alloy cable according to claim 5, characterized in that: The driving mechanism (4) further comprises an outer limit frame (47) sliding in the groove body (111) for preventing the movement of the limit slider (42), and an inner limit frame (48) slidably connected in the groove body (111) for preventing the movement of the stop plate (44); the outer limit frame (47) abuts against one end of the limit slider (42) away from the stop plate (44), and the inner limit frame (48) abuts against one end of the stop plate (44) away from the limit slider (42).

7. The highly flame-retardant and fire-resistant aluminum alloy cable according to claim 6, characterized in that: The sliding directions of the outer limit frame (47) and the inner limit frame (48) are parallel; the driving mechanism (4) further comprises a synchronous gear (49) which is rotatably arranged to drive the outer limit frame (47) and the inner limit frame (48) to slide in opposite directions; the synchronous gears (49) in the two driving mechanisms (4) are connected to the switching turntable (5) via a synchronous belt (8).

8. The highly flame-retardant and fire-resistant aluminum alloy cable according to claim 7, characterized in that: A push plate (52) is provided on the side wall of the switching turntable (5); ends (61) are provided at both ends of the pull rope (6) located in the slot body (111); two ends (61) are provided in one slot body (111), and the two ends (61) are located on the left and right sides of the push plate (52); and a thrust spring (63) is provided between each end (61) and the push plate (52).

9. The highly flame-retardant and fire-resistant aluminum alloy cable according to claim 8, characterized in that: A limiting groove (62) is provided at one end of the end head (61) close to the push plate (52); a stop frame (7) is fixedly connected in the groove body (111) and is plugged into the limiting groove (62) to prevent the end head (61) from moving in the direction of the push plate (52).

10. The highly effective flame retardant and fireproof aluminum alloy cable according to claim 2, characterized in that: The gas cylinder (3) is provided with a valve (31); the valve (31) is slidably connected with a latch (32) for controlling the opening and closing of the valve (31); the latch (32) passes through the housing (2) and abuts against an eccentric position on the surface of the switching dial (5); a latch spring (33) for driving the latch (32) to separate from the valve (31) is provided between the latch (32) and the gas cylinder (3); the switching dial (5) is provided with a positioning surface (53) abutting against the latch (32); and grooves (51) for separating the latch (32) from the valve (31) are respectively provided on both sides of the positioning surface (53) on the switching dial (5).

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