CN216894184U

CN216894184U - Fire-fighting engineering is with fire prevention shutter door

Info

Publication number: CN216894184U
Application number: CN202220312489.6U
Authority: CN
Inventors: 赵利; 裴世豪; 麻艳杰; 王朝辉; 任巧兰
Original assignee: Henan Kaiyuan Engineering Group Co ltd
Current assignee: Henan Kaiyuan Engineering Group Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-07-05
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a fire-fighting engineering fireproof shutter door, which relates to the technical field of fire-fighting engineering and comprises a cover plate, wherein two sides of the bottom end of the cover plate are fixedly provided with supporting plates, a connecting rod is rotatably connected between the two supporting plates through a bearing, the surface of the connecting rod is fixedly provided with a shutter door plate, two ends of the connecting rod are respectively arranged at one side of the two supporting plates, one end of the connecting rod is provided with a transmission assembly, and the other end of the connecting rod is fixedly provided with a first gear; the utility model has the beneficial effects that: through the transmission assembly who sets up, can damage when the electric power supply at the conflagration, the hand-operated shutter door of opening, be favorable to fleing and fighting a fire, the carousel drives the second transfer line and rotates, and the second transfer line drives the rotation of fourth helical gear, and the fourth helical gear drives the rotation of third helical gear, and the rotation of first transfer line is driven to third helical gear, and first transfer line drives the rotation of second helical gear.

Description

Fire engineering is with fire prevention shutter door

Technical Field

The utility model relates to a fireproof rolling gate, in particular to a fireproof rolling gate for fire engineering, and belongs to the technical field of fire engineering.

Background

Rolling doors, also known as "tambour doors", are doors that have a plurality of articulated flaps connected in series and rotate up and down in fixed slides about a roller above the door. The rolling gate is suitable for public places or houses such as commercial door surfaces, garages, markets, hospitals, factories and mining enterprises and the like.

The existing fireproof rolling gate drives a scroll through a motor to realize the retraction of a rolling gate plate, when a fire disaster damages power supply, the rolling gate is difficult to open, and the escape and fire fighting are not facilitated, so that the fireproof rolling gate for the fire engineering is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fire-fighting engineering fire-fighting rolling door, which solves the problem that the rolling door cannot be opened when a fire breaks down the power supply in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fire prevention shutter door for fire engineering, includes the apron, the equal fixed backup pad that is equipped with in both sides of apron bottom, two rotate through the bearing between the backup pad and be connected with the connecting rod, the fixed surface of connecting rod is equipped with the shutter door board, one side of two backup pads is arranged respectively in at the both ends of connecting rod, the one end of connecting rod is equipped with drive assembly, the fixed first gear that is equipped with of the other end of connecting rod, the top of apron is equipped with auxiliary assembly, the top sliding connection of apron has the slide, the fixed driving motor that is equipped with in top of slide, driving motor's the fixed second gear that is connected with first gear engagement that is equipped with of transmission shaft.

Preferably, the transmission assembly comprises a connecting block, the connecting block is fixedly arranged on one side of one of the supporting plates, a connecting pipe is fixedly arranged on one side of the connecting block, the inner wall of the connecting pipe is connected with a first transmission rod in a rotating mode through a bearing, a first helical gear is fixedly arranged on the top end of the first transmission rod, one side of the first helical gear is connected with a second helical gear in a meshed mode, one side of the second helical gear is fixedly connected with one end of the connecting rod, a third helical gear is fixedly arranged at the bottom end of the first transmission rod, a fourth helical gear is connected with one side of the third helical gear in a meshed mode, a second transmission rod is fixedly arranged in the middle of the fourth helical gear, an auxiliary disc is fixedly arranged on the surface of the second transmission rod, a braking groove is formed in the middle of the auxiliary disc, and a rotary disc is fixedly arranged at one end of the second transmission rod.

Preferably, the auxiliary assembly comprises a transmission plate and an auxiliary plate, the transmission plate is slidably arranged at the top end of the cover plate, one side of the transmission plate is fixedly connected with one side of the sliding plate, the other side of the transmission plate is fixedly provided with a spring and a sliding rod respectively, one end of the spring is fixedly provided with a first baffle, the bottom of the first baffle is provided with a first guide hole in sliding connection with the surface of the sliding rod, the auxiliary plate is fixedly arranged at the top end of the cover plate, the surface of the auxiliary plate is provided with an auxiliary groove, the inner wall of the auxiliary groove is slidably connected with an auxiliary block, the auxiliary block is cylindrical, one end of the auxiliary block is fixedly connected with one end of the sliding rod, the surface of the auxiliary block is fixedly provided with a second baffle, one side of the second baffle is fixedly provided with a fire-resistant rope, the fire-resistant rope is made of an aluminum silicate fiber material, one side of the auxiliary plate is provided with a second guide hole in sliding connection with the sliding rod, the inside of the second guide hole communicates with the inside of the auxiliary groove.

Preferably, the bottom ends of the two support plates are fixedly provided with a bottom plate, one side of one of the support plates is fixedly provided with two third baffles, the middle parts of the two third baffles are rotatably connected with the surface of a second transmission rod through bearings, the bottom of one of the third baffles is respectively fixedly provided with a limiting rod and a placing plate, the top end of the placing plate is slidably connected with a brake plate clamped with the brake groove, the middle part of one of the third baffles is provided with a first through groove, one side of the other support plate is fixedly provided with two fourth baffles, the bottom of one of the fourth baffles is fixedly provided with a switch panel, one sides of the two fourth baffles are fixedly connected with one side of the bottom plate, one sides of the two third baffles are fixedly connected with the other side of the bottom plate, and the other sides of the two support plates are respectively slidably connected with the two sides of the shutter plate, the bottom end of the shutter door plate is connected with the top end of the bottom plate in a sliding mode, two fifth baffles are fixedly arranged between the supporting plates, and the top ends of the two fifth baffles are fixedly connected with the bottom end of the cover plate.

Preferably, the top end of the cover plate is fixedly provided with two sixth baffles, one side of each of the two sixth baffles is fixedly connected with one side of each of the two third baffles, the other side of each of the two sixth baffles is fixedly connected with the other side of each of the two fourth baffles, the bottom of one of the sixth baffles is provided with a second through groove, the bottom of one of the sixth baffles is fixedly provided with two first connecting plates, the two first connecting plates are respectively arranged at two sides of the second through groove, an auxiliary roller is rotatably connected between the two first connecting plates through a rotating shaft, the surface of the auxiliary roller is in sliding connection with the surface of the fire-resistant rope, a second connecting plate is fixedly arranged between the two sixth baffles, the bottom end of the second connecting plate is respectively fixedly provided with a third connecting plate, a fourth connecting plate and an auxiliary rod, and the bottom end of the third connecting plate is fixedly provided with a first supporting pipe, the bottom end of the fourth connecting plate is fixedly provided with a second supporting pipe, the inner wall of the second supporting pipe and the inner wall of the first supporting pipe are both in sliding connection with the surface of the fire-resistant rope, the surface of the auxiliary rod is rotatably connected with a guide wheel through a bearing, the surface of the guide wheel is in sliding connection with the surface of the fire-resistant rope, and the surfaces of the two sixth baffles, the surfaces of the two fourth baffles, the surfaces of the two third baffles and the surface of the shutter plate are coated with fireproof paint.

Preferably, the bottom end of the fire-resistant rope is fixedly provided with a limiting block, and the bottom of the limiting block is provided with a limiting hole which slides with the surface of the limiting rod.

Preferably, the surface of the switch panel is provided with a driving motor switch, and the driving motor is electrically connected with an external power supply through the driving motor switch.

Compared with the prior art, the fireproof rolling door for the fire engineering provided by the utility model has the following beneficial effects:

1. through the arranged transmission assembly, when a fire disaster damages the power supply, the rolling gate door can be opened manually, escape and fire fighting are facilitated, the rotary disc is rotated, the rotary disc drives the second transmission rod to rotate, the second transmission rod drives the fourth helical gear to rotate, the fourth helical gear drives the third helical gear to rotate, the third helical gear drives the first transmission rod to rotate, the first transmission rod drives the second helical gear to rotate, the second helical gear drives the first helical gear to rotate, the first helical gear drives the connecting rod to rotate, the connecting rod winds up the rolling gate door panel, the fire-proof rolling gate door is opened, if the braking plate is clamped into the braking groove, the braking plate slides in along the inner wall of the second through groove, the auxiliary disc can be fixed, and the rotary disc is further fixed;

2. through the auxiliary assembly who sets up, the restriction of second gear to first gear has been removed, reduce the resistance when rotating the carousel, shorten the time of opening, it is convenient for the user, stimulate the stopper, the stopper drives fire-resistant rope and removes, make fire-resistant rope winding on the surface of gag lever post through removing the stopper, fire-resistant rope removes and can stimulate the second baffle and remove, and then stimulate the auxiliary block and slide along the auxiliary tank, the auxiliary block stimulates the slide bar and removes, slide bar pulling driving plate removes, the driving plate further compresses the spring, the driving plate drives the slide and removes, then drive driving motor and remove, driving motor drives the second gear and removes, when the auxiliary block is supported by the auxiliary tank, the second gear removes and breaks away from first gear, the restriction of second gear to first gear has been removed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is an enlarged view of the structure at B of FIG. 1 according to the present invention;

FIG. 4 is a schematic cross-sectional view of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 4 at C according to the present invention;

FIG. 6 is a schematic structural view of the transmission assembly of the present invention;

FIG. 7 is a schematic view of the auxiliary assembly of the present invention;

FIG. 8 is a schematic view of the structure of the installation plate of the present invention.

In the figure: 1. a cover plate; 2. a support plate; 3. a connecting rod; 4. a shutter plate; 5. a first gear; 6. a slide plate; 7. a transmission assembly; 701. connecting blocks; 702. a connecting pipe; 703. a first drive lever; 704. a first helical gear; 705. a second helical gear; 706. a third bevel gear; 707. a fourth helical gear; 708. a second transmission rod; 709. an auxiliary disc; 710. a brake groove; 711. a turntable; 8. an auxiliary component; 801. a drive plate; 802. a spring; 803. a slide bar; 804. a first baffle plate; 805. a first guide hole; 806. an auxiliary plate; 807. an auxiliary groove; 808. an auxiliary block; 809. a second baffle; 810. a refractory rope; 811. a second guide hole; 9. a drive motor; 10. a second gear; 11. a base plate; 12. a third baffle plate; 13. a switch panel; 14. a fourth baffle; 15. a first through groove; 16. a first connecting plate; 17. an auxiliary roller; 18. a second connecting plate; 19. a third connecting plate; 20. a fourth connecting plate; 21. a first support tube; 22. a second support tube; 23. an auxiliary lever; 24. a guide wheel; 25. a fifth baffle; 26. a limiting rod; 27. a limiting hole; 28. placing a plate; 29. a brake plate; 30. a second through groove; 31. a limiting block; 32. and a sixth baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-8, the utility model provides a fire-fighting engineering fire-fighting shutter door, which comprises a cover plate 1, wherein support plates 2 are fixedly arranged on both sides of the bottom end of the cover plate 1, a connecting rod 3 is rotatably connected between the two support plates 2 through a bearing, a shutter door plate 4 is fixedly arranged on the surface of the connecting rod 3, two ends of the connecting rod 3 are respectively arranged on one side of the two support plates 2, one end of the connecting rod 3 is provided with a transmission assembly 7, the other end of the connecting rod 3 is fixedly provided with a first gear 5, the top end of the cover plate 1 is provided with an auxiliary assembly 8, the top end of the cover plate 1 is slidably connected with a sliding plate 6, the top end of the sliding plate 6 is fixedly provided with a driving motor 9, and a transmission shaft of the driving motor 9 is fixedly provided with a second gear 10 engaged with the first gear 5;

the bottom ends of the two support plates 2 are fixedly provided with a bottom plate 11, one side of one support plate 2 is fixedly provided with two third baffles 12, the middle parts of the two third baffles 12 are rotatably connected with the surface of a second transmission rod 708 through bearings, the bottom of one third baffle 12 is respectively fixedly provided with a limiting rod 26 and a placing plate 28, the top end of the placing plate 28 is slidably connected with a brake plate 29 clamped with a brake groove 710, the middle part of one third baffle 12 is provided with a first through groove 15, one side of the other support plate 2 is fixedly provided with two fourth baffles 14, the bottom of one fourth baffle 14 is fixedly provided with a switch panel 13, one side of each of the two fourth baffles 14 is fixedly connected with one side of the bottom plate 11, one side of each of the two third baffles 12 is fixedly connected with the other side of the bottom plate 11, and the other side of the two support plates 2 is respectively slidably connected with the two sides of the rolling gate 4, the bottom end of the shutter door plate 4 is connected with the top end of the bottom plate 11 in a sliding mode, two fifth baffle plates are fixedly arranged between the two supporting plates, and the top ends of the two fifth baffle plates are fixedly connected with the bottom end of the cover plate;

the top end of the cover plate 1 is fixedly provided with two sixth baffle plates 32, one side of each of the two sixth baffle plates 32 is fixedly connected with one side of each of the two third baffle plates 12, the other side of each of the two sixth baffle plates 32 is fixedly connected with the other side of each of the two fourth baffle plates 14, the bottom of one of the sixth baffle plates 32 is provided with a second through groove 30, the bottom of one of the sixth baffle plates 32 is fixedly provided with two first connecting plates 16, the two first connecting plates 16 are respectively arranged at two sides of the second through groove 30, an auxiliary roller 17 is rotatably connected between the two first connecting plates 16 through a rotating shaft, the surface of the auxiliary roller 17 is slidably connected with the surface of the fire-resistant rope 810, a second connecting plate 18 is fixedly arranged between the two sixth baffle plates 32, the bottom end of the second connecting plate 18 is fixedly provided with a third connecting plate 19, a fourth connecting plate 20 and an auxiliary rod 23, the bottom end of the third connecting plate 19 is fixedly provided with a first supporting pipe 21, a second support pipe 22 is fixedly arranged at the bottom end of the fourth connecting plate 20, the inner wall of the second support pipe 22 and the inner wall of the first support pipe 21 are both in sliding connection with the surface of the fire-resistant rope 810, the surface of the auxiliary rod 23 is rotatably connected with a guide wheel 24 through a bearing, the surface of the guide wheel 24 is in sliding connection with the surface of the fire-resistant rope 810, and the surfaces of the two sixth baffles 32, the surfaces of the two fourth baffles 14, the surfaces of the two third baffles 12 and the surface of the shutter plate 4 are all coated with fire-resistant paint;

the surface of the switch panel 13 is provided with a driving motor switch, and the driving motor 9 is electrically connected with an external power supply through the driving motor switch.

Example 2:

the transmission assembly 7 comprises a connecting block 701, the connecting block 701 is fixedly arranged on one side of one of the support plates 2, a connecting pipe 702 is fixedly arranged on one side of the connecting block 701, the inner wall of the connecting pipe 702 is rotatably connected with a first transmission rod 703 through a bearing, a first helical gear 704 is fixedly arranged at the top end of the first transmission rod 703, a second helical gear 705 is connected to one side of the first helical gear 704 in a meshing manner, one side of the second helical gear 705 is fixedly connected with one end of a connecting rod 3, a third helical gear 706 is fixedly arranged at the bottom end of the first transmission rod 703, a fourth helical gear 707 is connected to one side of the third helical gear 706 in a meshing manner, a second transmission rod 708 is fixedly arranged in the middle of the fourth helical gear 707, an auxiliary disc 709 is fixedly arranged on the surface of the second transmission rod 708, a brake groove 710 is formed in the middle of the auxiliary disc 709, and a rotating disc 711 is fixedly arranged at one end of the second transmission rod 708;

specifically, as shown in fig. 1, 4 and 6, when the fire damages the power supply, if the fire-proof rolling door needs to be opened, the second gear 10 needs to be separated from the first gear 5 by the fire-proof rope 810, then the rotating disc 711 is rotated, the rotating disc 711 drives the second transmission rod 708 to rotate, the second transmission rod 708 drives the fourth helical gear 707 to rotate, the fourth helical gear 707 drives the third helical gear 706 to rotate, the third helical gear 706 drives the first transmission rod 703 to rotate, the first transmission rod 703 drives the second helical gear 705 to rotate, the second helical gear 705 drives the first helical gear 704 to rotate, the first helical gear 704 drives the connecting rod 3 to rotate, the connecting rod 3 winds up the shutter plate 4, the fire-proof shutter door is opened, if the stopper plate 29 is caught in the stopper groove 710 while the stopper plate 29 is slid along the inner wall of the second through groove 30, the auxiliary disk 709 and thus the turntable 711 can be fixed.

Example 3:

the auxiliary assembly 8 comprises a transmission plate 801 and an auxiliary plate 806, the transmission plate 801 is slidably disposed at the top end of the cover plate 1, one side of the transmission plate 801 is fixedly connected with one side of the sliding plate 6, the other side of the transmission plate 801 is fixedly provided with a spring 802 and a sliding rod 803 respectively, one end of the spring 802 is fixedly provided with a first baffle 804, the bottom of the first baffle 804 is provided with a first guide hole 805 slidably connected with the surface of the sliding rod 803, the auxiliary plate 806 is fixedly disposed at the top end of the cover plate 1, the surface of the auxiliary plate 806 is provided with an auxiliary groove 807, the inner wall of the auxiliary groove 807 is slidably connected with an auxiliary block 808, the auxiliary block 808 is cylindrical, one end of the auxiliary block 808 is fixedly connected with one end of the sliding rod 803, the surface of the auxiliary block 808 is fixedly provided with a second baffle 809, one side of the second baffle 809 is fixedly provided with a fire-resistant rope 810, the fire-resistant rope 810 is made of aluminum silicate fiber material, one side of the auxiliary plate 806 is provided with a second guide hole 811 slidably connected with the sliding rod 803, the inside of the second guide hole 811 communicates with the inside of the auxiliary groove 807;

the bottom end of the fire-resistant rope 810 is fixedly provided with a limiting block 31, and the bottom of the limiting block 31 is provided with a limiting hole 27 which slides with the surface of the limiting rod 26;

specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 7, when a fire damages the power supply, if the fire-proof rolling door needs to be opened, first, the restriction of the second gear 10 on the first gear 5 is removed, the stopper 31 is pulled, the stopper 31 drives the fire-proof rope 810 to move, the fire-proof rope 810 is wound on the surface of the stopper rod 26 by moving the stopper 31, the fire-proof rope 810 moves to pull the second baffle 809 to move, and then the auxiliary block 808 is pulled to slide along the auxiliary groove 807, the auxiliary block 808 pulls the slide rod 803 to move, the slide rod 803 pulls the driving plate 801 to move, the driving plate 801 further compresses the spring 802, the driving plate 801 drives the sliding plate 6 to move, and then drives the driving motor 9 to move, the driving motor 9 drives the second gear 10 to move, when the auxiliary block 808 is abutted by the auxiliary groove 807, the second gear 10 moves to separate from the first gear 5, and the restriction of the second gear 10 on the first gear 5 is removed, the resistance when the rotary disc 711 is rotated is reduced, the door opening time is shortened, escape and fire fighting are facilitated, the limiting block 31 is moved, the limiting rod 26 slides into the limiting hole 27, the fixing of the fire-resistant rope 810 is completed, a user can conveniently vacate two hands to rotate the rotary disc 711, and the door opening time is further shortened.

The working principle is as follows: when the fire-fighting engineering fire-fighting rolling gate is used in detail, firstly, the surfaces of the two sixth baffle plates 32, the surfaces of the two fourth baffle plates 14, the surfaces of the two third baffle plates 12 and the surface of the rolling gate plate 4 are coated with fire-proof coating, so that the fire-fighting rolling gate has a good fire-retardant effect, when a fire breaks down and supplies power, if the fire-fighting rolling gate needs to be opened, firstly, the limit of the second gear 10 on the first gear 5 needs to be removed, the limiting block 31 is pulled, the limiting block 31 drives the fire-proof rope 810 to move, the fire-proof rope 810 is wound on the surface of the limiting rod 26 by moving the limiting block 31, the fire-proof rope 810 moves to pull the second baffle plate 809 to move, the auxiliary block 808 is pulled to slide along the auxiliary groove 807 to slide, the auxiliary block 808 pulls the slide rod 803 to move, the slide rod 803 pulls the drive plate 801 to move, the drive plate 801 further compresses the spring 802, the drive plate 801 drives the slide plate 6 to move, and then drives the drive motor 9 to move, the driving motor 9 drives the second gear 10 to move, when the auxiliary block 808 is abutted by the auxiliary groove 807, the second gear 10 moves to separate from the first gear 5, the limitation of the second gear 10 on the first gear 5 is removed, the resistance when the rotary disc 711 is rotated is reduced, the door opening time is shortened, the escape and fire fighting are facilitated, then the limiting block 31 is moved, the limiting rod 26 slides into the limiting hole 27, the fixing of the fire rope 810 is completed, a user can conveniently vacate the double hands to rotate the rotary disc 711, the door opening time is further shortened, then the rotary disc 711 is rotated, the rotary disc 711 drives the second transmission rod 708 to rotate, the second transmission rod 708 drives the fourth helical gear 707 to rotate, the fourth helical gear 707 drives the third helical gear 706 to rotate, the third helical gear 706 drives the first transmission rod 703 to rotate, the first transmission rod 703 drives the second helical gear 705 to rotate, the second helical gear 705 drives the first helical gear 704 to rotate, and the first helical gear 704 drives the connecting rod 3 to rotate, the connecting rod 3 is used to wind the shutter plate 4 and open the fire shutter door, and if the braking plate 29 is engaged with the braking groove 710 and the braking plate 29 is slid along the inner wall of the second through-groove 30, the auxiliary plate 709 and the rotary plate 711 can be fixed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fire-fighting engineering fire-proof rolling gate comprises a cover plate (1) and is characterized in that, supporting plates (2) are fixedly arranged on two sides of the bottom end of the cover plate (1), a connecting rod (3) is rotatably connected between the two supporting plates (2) through a bearing, the surface of the connecting rod (3) is fixedly provided with a shutter plate (4), two ends of the connecting rod (3) are respectively arranged at one side of the two supporting plates (2), one end of the connecting rod (3) is provided with a transmission component (7), the other end of the connecting rod (3) is fixedly provided with a first gear (5), the top end of the cover plate (1) is provided with an auxiliary component (8), the top end of the cover plate (1) is connected with a sliding plate (6) in a sliding way, the top end of the sliding plate (6) is fixedly provided with a driving motor (9), and a transmission shaft of the driving motor (9) is fixedly provided with a second gear (10) meshed and connected with the first gear (5).

2. The fire protection rolling door for fire fighting engineering according to claim 1, characterized in that: the transmission assembly (7) comprises a connecting block (701), the connecting block (701) is fixedly arranged on one side of one of the supporting plates (2), a connecting pipe (702) is fixedly arranged on one side of the connecting block (701), the inner wall of the connecting pipe (702) is rotatably connected with a first transmission rod (703) through a bearing, a first bevel gear (704) is fixedly arranged at the top end of the first transmission rod (703), a second bevel gear (704) is connected to one side of the first bevel gear (704) in a meshed manner, one side of the second bevel gear (705) is fixedly connected with one end of a connecting rod (3), a third bevel gear (706) is fixedly arranged at the bottom end of the first transmission rod (703), a fourth bevel gear (707) is connected to one side of the third bevel gear (706) in a meshed manner, a second transmission rod (708) is fixedly arranged in the middle of the fourth bevel gear (707), an auxiliary disc (709) is fixedly arranged on the surface of the second transmission rod (708), a brake groove (710) is formed in the middle of the auxiliary disc (709), and a rotating disc (711) is fixedly arranged at one end of the second transmission rod (708).

3. The fire protection rolling door for fire fighting engineering according to claim 2, characterized in that: the auxiliary assembly (8) comprises a transmission plate (801) and an auxiliary plate (806), the transmission plate (801) is arranged at the top end of the cover plate (1) in a sliding mode, one side of the transmission plate (801) is fixedly connected with one side of the sliding plate (6), the other side of the transmission plate (801) is fixedly provided with a spring (802) and a sliding rod (803) respectively, one end of the spring (802) is fixedly provided with a first baffle (804), the bottom of the first baffle (804) is provided with a first guide hole (805) in sliding connection with the surface of the sliding rod (803), the auxiliary plate (806) is fixedly arranged at the top end of the cover plate (1), the surface of the auxiliary plate (806) is provided with an auxiliary groove (807), the inner wall of the auxiliary groove (807) is connected with an auxiliary block (808) in a sliding mode, the auxiliary block (808) is cylindrical, one end of the auxiliary block (808) is fixedly connected with one end of the sliding rod (803), the surface of the auxiliary block (808) is fixedly provided with a second baffle (809), one side of the second baffle (809) is fixedly provided with a fire-resistant rope (810), the fire-resistant rope (810) is made of an aluminum silicate fiber material, one side of the auxiliary plate (806) is provided with a second guide hole (811) which slides with the sliding rod (803), and the inside of the second guide hole (811) is communicated with the inside of the auxiliary groove (807).

4. The fire protection rolling door for fire fighting engineering according to claim 3, characterized in that: the bottom ends of the two support plates (2) are fixedly provided with a bottom plate (11), one side of one of the support plates (2) is fixedly provided with two third baffle plates (12), the middle parts of the two third baffle plates (12) are rotatably connected with the surface of a second transmission rod (708) through bearings, the bottom of one of the third baffle plates (12) is respectively and fixedly provided with a limiting rod (26) and a placing plate (28), the top end of the placing plate (28) is in sliding connection with a braking plate (29) clamped with a braking groove (710), the middle part of one of the third baffle plates (12) is provided with a first through groove (15), one side of the other support plate (2) is fixedly provided with two fourth baffle plates (14), the bottom of one of the fourth baffle plates (14) is fixedly provided with a switch panel (13), and one side of each of the two fourth baffle plates (14) is fixedly connected with one side of the bottom plate (11), one side of two third baffles (12) all with the opposite side fixed connection of bottom plate (11), two the opposite side of backup pad (2) respectively with the both sides sliding connection of rolling up shutter door board (4), the bottom of rolling up shutter door board (4) and the top sliding connection of bottom plate (11), two fixed two fifth baffles (25) that are equipped with between backup pad (2), two the top of fifth baffle (25) all with the bottom fixed connection of apron (1).

5. The fire protection rolling door for fire fighting engineering according to claim 4, characterized in that: the top end of the cover plate (1) is fixedly provided with two sixth baffle plates (32), one sides of the two sixth baffle plates (32) are respectively and fixedly connected with one sides of the two third baffle plates (12), the other sides of the two sixth baffle plates (32) are respectively and fixedly connected with the other sides of the two fourth baffle plates (14), the bottom of one of the sixth baffle plates (32) is provided with a second through groove (30), the bottom of one of the sixth baffle plates (32) is fixedly provided with two first connecting plates (16), the two first connecting plates (16) are respectively arranged at two sides of the second through groove (30), an auxiliary roller (17) is rotatably connected between the two first connecting plates (16) through a rotating shaft, and the surface of the auxiliary roller (17) is in sliding connection with the surface of the fire-resistant rope (810), a second connecting plate (18) is fixedly arranged between the two sixth baffles (32), the bottom ends of the second connecting plates (18) are respectively and fixedly provided with a third connecting plate (19), a fourth connecting plate (20) and an auxiliary rod (23), a first supporting tube (21) is fixedly arranged at the bottom end of the third connecting plate (19), a second supporting tube (22) is fixedly arranged at the bottom end of the fourth connecting plate (20), the inner wall of the second supporting pipe (22) and the inner wall of the first supporting pipe (21) are both connected with the surface of the fire-resistant rope (810) in a sliding way, the surface of the auxiliary rod (23) is rotationally connected with a guide wheel (24) through a bearing, the surfaces of the guide wheels (24) are in sliding connection with the surfaces of the fire-resistant ropes (810), and the surfaces of the two sixth baffle plates (32), the surfaces of the two fourth baffle plates (14), the surfaces of the two third baffle plates (12) and the surface of the shutter plate (4) are coated with fire-resistant paint.

6. The fire protection rolling door for fire fighting engineering according to claim 4, characterized in that: the bottom end of the fire-resistant rope (810) is fixedly provided with a limiting block (31), and the bottom of the limiting block (31) is provided with a limiting hole (27) which slides with the surface of the limiting rod (26).

7. The fire protection rolling door for fire fighting engineering according to claim 4, characterized in that: the surface of the switch panel (13) is provided with a drive motor switch, and the drive motor (9) is electrically connected with an external power supply through the drive motor switch.