阅读说明：本技术 一种设备运行拟人化巡检的智能监测告警装置 (Intelligent monitoring alarm device for equipment operation personification inspection ) 是由 李南南 于 2021-08-02 设计创作，主要内容包括：本发明提供一种设备运行拟人化巡检的智能监测告警装置,涉及智能检测技术领域。一种设备运行拟人化巡检的智能监测告警装置,包括收缩组件,所述收缩组件的内部设置有棘轮,所述棘轮外壁的左侧卡接有活动齿牙。该设备运行拟人化巡检的智能监测告警装置,启动驱动电机,此时烟雾报警器的巡检范围会变大,从而达到了灵敏度高和实用性强能及时发现火情的效果。该设备运行拟人化巡检的智能监测告警装置,当发生火情时,烟雾报警器会控制驱动电机反向转动,使得活动轮带动烟雾报警器向下运动,此时密封板会向升降筒的内部收缩形成了一个金属的密闭空间,从而达到了发生火灾时可以保护报警器使其持续报警提高工作人员逃生几率的效果。(The invention provides an intelligent monitoring and warning device for personified inspection of equipment operation, and relates to the technical field of intelligent detection. The utility model provides an intelligent monitoring alarm device that equipment operation personification was patrolled and examined, includes shrink subassembly, the inside of shrink subassembly is provided with the ratchet, the left side joint of ratchet outer wall has movable tooth. The intelligent monitoring alarm device for the personification inspection of the equipment starts the driving motor, the inspection range of the smoke alarm can be enlarged, and therefore the effects of high sensitivity and strong practicability and capability of timely discovering fire are achieved. This intelligent monitoring alarm device that equipment operation personification was patrolled and examined, when taking place the condition of a fire, smoke alarm can control driving motor antiport for the movable wheel drives smoke alarm downstream, and the closing plate can form the airtight space of a metal to the inside shrink of a section of thick bamboo that goes up and down this moment, thereby has reached and can protect the alarm to make its effect that continuously reports to the police and improve staff's probability of fleing when taking place the conflagration.)

1. The utility model provides an equipment operation personification patrols and examines intelligent monitoring alarm device, includes shrink subassembly (11), its characterized in that: the inside of shrink subassembly (11) is provided with ratchet (111), the left side joint of ratchet (111) outer wall has movable tooth (112), the back riveting of movable tooth (112) has rolling disc (113), arc chute (114) have been seted up in the front of rolling disc (113), outer wall fixedly connected with stay cord (115) of rolling disc (113), the top sliding connection of stay cord (115) has directive wheel (116), the bottom sliding connection of stay cord (115) has movable wheel (117), one side fixedly connected with fixed couple (118) of rolling disc (113) are kept away from in stay cord (115).

2. The intelligent monitoring and warning device for the anthropomorphic inspection of equipment operation according to claim 1, characterized in that: still include lifting unit (10), the inside of lifting unit (10) is provided with rotates post (101), annular chute (102) have been seted up to the outer wall that rotates post (101), the left inside sliding connection of annular chute (102) has sliding block (103), the left side welding of sliding block (103) has bracing piece (104).

3. The intelligent monitoring and warning device for the anthropomorphic inspection of equipment operation according to claim 1, characterized in that: also comprises a fixed cylinder seat (1), a sliding circular plate (2) is connected inside the fixed cylinder seat (1) in a sliding way, the top of the sliding circular plate (2) is welded with a sliding chute (3), the outer wall of the sliding chute (3) is welded with a lifting cylinder (4), a sealing plate (5) is connected inside the lifting cylinder (4) in a sliding way, a supporting spring (6) is fixedly connected at the bottom inside the lifting cylinder (4), the top of the supporting spring (6) is fixedly connected with a smoke alarm (7), a driving motor (8) is fixedly connected to the left side of the sliding chute (3), a spline shaft (9) is fixedly connected to the bottom of the driving motor (8), the outer wall of the bottom of the flower shaft (9) is connected with a lifting assembly (10) in an inserting mode, the outer wall of the flower shaft (9) is connected with a contraction assembly (11) in an inserting mode, and a guide rod (12) is welded at the bottom of the smoke alarm (7).

4. The intelligent monitoring and warning device for the personified inspection of the equipment operation according to claim 3, characterized in that: the fixed hook (118) is welded at the top of the sliding circular plate (2), and the top of the support rod (104) is welded at the bottom of the sliding circular plate (2).

5. The intelligent monitoring and warning device for the equipment operation personification inspection according to claim 1 or 3, characterized in that: the movable wheel (117) is arranged right above the steering wheel (116), the shape and the size of the movable wheel and the steering wheel are the same, and the movable wheel (117) is riveted to the bottom of the smoke alarm (7).

6. The intelligent monitoring and warning device for the anthropomorphic inspection of equipment operation according to claim 1, characterized in that: the inside of rolling disc (113) is seted up and is no less than four arc chute (114), the left side and the inside bottom joint of arc chute (114) of movable tooth (112).

7. The intelligent monitoring and warning device for the personified inspection of the equipment operation according to claim 3, characterized in that: the inner part of the ratchet wheel (111) is provided with a groove matched with the outer wall of the flower shaft (9), the outer wall of the flower shaft (9) is inserted into the ratchet wheel (111), the bottom of the flower shaft (9) is inserted into the rotating column (101), and the inner part of the rotating column (101) is provided with a groove matched with the outer wall of the flower shaft (9).

8. The intelligent monitoring and warning device for the anthropomorphic inspection of equipment operation according to claim 2, characterized in that: the annular chute (102) is of an annular structure connected end to end.

9. The intelligent monitoring and warning device for the personified inspection of the equipment operation according to claim 3, characterized in that: the bottom of the guide rod (12) is connected to the inside of the sliding chute (3) in a sliding manner.

10. The intelligent monitoring and warning device for the personified inspection of the equipment operation according to claim 3, characterized in that: fixed cylinder seat (1) and spout (3), a lift section of thick bamboo (4), closing plate (5) are metal material and make, the diameter at closing plate (5) top is greater than the diameter at a lift section of thick bamboo (4) top, smoke alarm (7) have the electric connection with driving motor (8), smoke alarm (7) fixed connection is in the inside of closing plate (5) bottom.

Technical Field

The invention relates to the technical field of intelligent detection, in particular to an intelligent monitoring and alarming device for personified inspection of equipment operation.

Background

Need install conflagration alarm device in the plant equipment operation workshop, current conflagration alarm device can generally be fixed in a certain position, however the diffusion of smog needs certain time, the emergence of the unable timely discovery condition of a fire of its conflagration alarm device, sensitivity is relatively poor, the practicality has been reduced, and conflagration alarm device burns out easily when taking place the conflagration, can not last the warning, influence its ability that lasts to use, can not give the guide that the staff lasts, the probability that the staff fled has been reduced.

In order to solve the problems, the intelligent monitoring and alarming device for the personified inspection of the equipment operation has the advantages that the sensitivity is high, the practicability is high, the alarm can be protected to continuously alarm when a fire is found and a fire disaster occurs in time, the escape probability of workers is improved, manual inspection can be replaced by the device, the operation safety of the equipment is improved, labor is saved, the labor cost is reduced, and the like.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligent monitoring alarm device that equipment operation personification was patrolled and examined, includes shrink subassembly, shrink subassembly's inside is provided with the ratchet, the left side joint of ratchet outer wall has movable tooth, movable tooth's back riveting has the rolling disc, the arc chute has been seted up in the front of rolling disc, the outer wall fixedly connected with stay cord of rolling disc, the top sliding connection of stay cord has the directive wheel, the bottom sliding connection of stay cord has the movable wheel, one side fixedly connected with fixed hook of rolling disc is kept away from to the stay cord.

Still include lifting unit, lifting unit's inside is provided with rotates the post, the annular chute has been seted up to the outer wall that rotates the post, the left inside sliding connection of annular chute has the sliding block, the left side welding of sliding block has the bracing piece.

Still include the fixed cylinder base, the inside sliding connection of fixed cylinder base has the slip plectane, the top welding of slip plectane has the spout, the outer wall welding of spout has a lift section of thick bamboo, the inside sliding connection of a lift section of thick bamboo has the closing plate, the inside bottom fixedly connected with supporting spring of a lift section of thick bamboo, supporting spring's top fixedly connected with smoke alarm, the left side fixedly connected with driving motor of spout, driving motor's bottom fixedly connected with flower axle, the outer wall of flower axle bottom is pegged graft and is had lifting unit, the outer wall of flower axle is pegged graft and is had shrink assembly, smoke alarm's bottom welding has the guide bar.

Preferably, the fixed hook is welded to the top of the sliding circular plate, and the top of the support rod is welded to the bottom of the sliding circular plate.

Preferably, the movable wheel is arranged right above the steering wheel, the shape and the size of the movable wheel are the same, and the movable wheel is riveted to the bottom of the smoke alarm.

Preferably, the inside of rolling disc is seted up and is no less than four arc chutes, the left side of activity tooth and the inside bottom joint of arc chute.

Preferably, the ratchet wheel is internally provided with a groove matched with the outer wall of the flower shaft, the outer wall of the flower shaft is inserted into the ratchet wheel, the bottom of the flower shaft is inserted into the rotating column, and the rotating column is internally provided with a groove matched with the outer wall of the flower shaft.

Preferably, the annular chute is of an annular structure connected end to end.

Preferably, the bottom of the guide rod is slidably connected to the inside of the sliding groove.

Preferably, the fixed cylinder base, the sliding groove, the lifting cylinder and the sealing plate are made of metal materials, the diameter of the top of the sealing plate is larger than that of the top of the lifting cylinder, the smoke alarm is electrically connected with the driving motor, and the smoke alarm is fixedly connected inside the bottom of the sealing plate.

Compared with the prior art, the invention provides an intelligent monitoring and warning device for the anthropomorphic inspection of equipment operation, which has the following beneficial effects:

1. this intelligent monitoring alarm device that equipment operation personification was patrolled and examined, through driving motor and colored axle, the sliding block, the annular chute, the bracing piece, the slip plectane, smoke alarm's cooperation is used, start driving motor, the colored axle drives the rotation post clockwise rotation this moment, further make the sliding block at annular chute's inside periodic up-and-down motion, the bracing piece drives slip plectane periodic up-and-down motion this moment, further make smoke alarm periodic up-and-down motion, smoke alarm's the scope of patrolling and examining can grow this moment, need not the manual work and patrols and examines, the cost of labor is reduced, thereby reached sensitivity height and the strong effect that can in time discover the condition of a fire of practicality.

2. This intelligent monitoring alarm device that equipment operation personification was patrolled and examined, through smoke alarm and driving motor, the stay cord, the rolling disc, the movable wheel, the closing plate, the cooperation of a lift section of thick bamboo is used, when taking place the condition of a fire, smoke alarm can control driving motor antiport, the outer wall of rolling disc can be twined to the stay cord this moment, further make the movable wheel drive smoke alarm downstream, the closing plate can form the airtight space of a metal to the inside shrink of a lift section of thick bamboo this moment, the stability of system operation has been improved, thereby reached and to have protected the alarm to make its effect that continuously reports to the police and improve staff probability of fleing when taking place the conflagration.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the sealing plate structure of the present invention after recovery;

FIG. 3 is a front view of the rotating column of the present invention;

FIG. 4 is a schematic cross-sectional view of a rotary column according to the present invention;

FIG. 5 is a schematic top view of the rotating disk structure of the present invention;

FIG. 6 is an enlarged view of the structure A of FIG. 1 according to the present invention.

In the figure: 1. fixing the cylinder seat; 2. a sliding circular plate; 3. a chute; 4. a lifting cylinder; 5. a sealing plate; 6. a support spring; 7. a smoke alarm; 8. a drive motor; 9. a flower shaft; 10. a lifting assembly; 11. a retraction assembly; 12. a guide bar; 101. rotating the column; 102. an annular chute; 103. a slider; 104. a support bar; 111. a ratchet wheel; 112. movable teeth; 113. rotating the disc; 114. an arc chute; 115. pulling a rope; 116. a steering wheel; 117. a movable wheel; 118. and (5) fixing the hook.

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.

The embodiment of the intelligent monitoring and warning device for the equipment to operate the personified inspection comprises the following steps:

the first embodiment is as follows:

referring to fig. 1, 5 and 6, an intelligent monitoring and warning device for personified inspection of equipment operation comprises a contraction assembly 11, a ratchet wheel 111 is arranged inside the contraction assembly 11, a groove matched with the outer wall of a spline shaft 9 is formed inside the ratchet wheel 111, the outer wall of the spline shaft 9 is inserted inside the ratchet wheel 111, movable teeth 112 are clamped on the left side of the outer wall of the ratchet wheel 111, a rotating disc 113 is riveted on the back of the movable teeth 112, an arc-shaped chute 114 is formed in the front of the rotating disc 113, no less than four arc-shaped chutes 114 are formed inside the rotating disc 113, the left side of the movable teeth 112 is clamped with the bottom inside the arc-shaped chute 114, a pull rope 115 is fixedly connected on the outer wall of the rotating disc 113, a steering wheel 116 is slidably connected on the top of the pull rope 115, a movable wheel 117 is slidably connected on the bottom of the pull rope 115, the movable wheel 117 is arranged right above the steering wheel 116, the shape and the size of the movable wheel 117 are the same, and the movable wheel 117 is riveted on the bottom of a smoke alarm 7, a fixed hook 118 is fixedly connected to one side of the pulling rope 115 away from the rotating disc 113, and the fixed hook 118 is welded to the top of the sliding circular plate 2.

The device also comprises a fixed cylinder seat 1, a sliding circular plate 2 is connected inside the fixed cylinder seat 1 in a sliding manner, a sliding chute 3 is welded at the top of the sliding circular plate 2, a lifting cylinder 4 is welded at the outer wall of the sliding chute 3, a sealing plate 5 is connected inside the lifting cylinder 4 in a sliding manner, the fixed cylinder seat 1, the sliding chute 3, the lifting cylinder 4 and the sealing plate 5 are made of metal materials, the diameter of the top of the sealing plate 5 is larger than that of the top of the lifting cylinder 4, a supporting spring 6 is fixedly connected at the bottom inside the lifting cylinder 4, a smoke alarm 7 is fixedly connected at the top of the supporting spring 6, the smoke alarm 7 is fixedly connected inside the bottom of the sealing plate 5, a driving motor 8 is fixedly connected at the left side of the sliding chute 3, the smoke alarm 7 is electrically connected with the driving motor 8, a flower shaft 9 is fixedly connected at the bottom of the driving motor 8, a lifting assembly 10 is inserted into the outer wall at the bottom of the flower shaft 9, a contraction assembly 11 is inserted into the outer wall of the flower shaft 9, the bottom of smoke alarm 7 is welded with guide rod 12, and the bottom of guide rod 12 is connected inside chute 3 in a sliding manner.

When a fire occurs, the smoke alarm 7 can control the driving motor 8 to rotate reversely, the pull rope 115 can be wound on the outer wall of the rotating disc 113 at the moment, the movable wheel 117 further drives the smoke alarm 7 to move downwards, the sealing plate 5 can contract towards the inside of the lifting cylinder 4 to form a metal closed space at the moment, the stability of system operation is improved, and therefore the effect that the alarm can be protected to continuously alarm and the escape probability of workers is improved when a fire occurs is achieved.

Example two:

referring to fig. 1-4, an intelligent monitoring and warning device for personified inspection of equipment operation comprises a lifting assembly 10, a rotating column 101 is arranged inside the lifting assembly 10, the bottom of a flower shaft 9 is inserted inside the rotating column 101, a groove matched with the outer wall of the flower shaft 9 is formed inside the rotating column 101, an annular chute 102 is formed in the outer wall of the rotating column 101, the annular chute 102 is of an annular structure connected end to end, a sliding block 103 is connected inside the left side of the annular chute 102 in a sliding mode, a supporting rod 104 is welded on the left side of the sliding block 103, and the top of the supporting rod 104 is welded at the bottom of a sliding circular plate 2.

The device also comprises a fixed cylinder seat 1, a sliding circular plate 2 is connected inside the fixed cylinder seat 1 in a sliding manner, a sliding chute 3 is welded at the top of the sliding circular plate 2, a lifting cylinder 4 is welded at the outer wall of the sliding chute 3, a sealing plate 5 is connected inside the lifting cylinder 4 in a sliding manner, the fixed cylinder seat 1, the sliding chute 3, the lifting cylinder 4 and the sealing plate 5 are made of metal materials, the diameter of the top of the sealing plate 5 is larger than that of the top of the lifting cylinder 4, a supporting spring 6 is fixedly connected at the bottom inside the lifting cylinder 4, a smoke alarm 7 is fixedly connected at the top of the supporting spring 6, the smoke alarm 7 is fixedly connected inside the bottom of the sealing plate 5, a driving motor 8 is fixedly connected at the left side of the sliding chute 3, the smoke alarm 7 is electrically connected with the driving motor 8, a flower shaft 9 is fixedly connected at the bottom of the driving motor 8, a lifting assembly 10 is inserted into the outer wall at the bottom of the flower shaft 9, a contraction assembly 11 is inserted into the outer wall of the flower shaft 9, the bottom of smoke alarm 7 is welded with guide rod 12, and the bottom of guide rod 12 is connected inside chute 3 in a sliding manner.

Start driving motor 8, the rachis 9 drives and rotates post 101 clockwise this moment, further makes sliding block 103 in the inside periodic up-and-down motion of annular chute 102, bracing piece 104 drives the periodic up-and-down motion of slip plectane 2 this moment, further makes smoke alarm 7 periodic up-and-down motion, smoke alarm 7 patrols and examines the scope and can the grow this moment, need not the manual work and patrols and examines, reduces the cost of labor, thereby reached sensitivity height and the strong effect that can in time discover the condition of a fire of practicality.

Example three:

referring to fig. 1-6, an intelligent monitoring and warning device for anthropomorphic inspection of equipment operation comprises a contraction assembly 11, a ratchet wheel 111 is arranged inside the contraction assembly 11, a groove matched with the outer wall of a spline shaft 9 is formed inside the ratchet wheel 111, the outer wall of the spline shaft 9 is inserted inside the ratchet wheel 111, a movable tooth 112 is clamped on the left side of the outer wall of the ratchet wheel 111, a rotating disc 113 is riveted on the back of the movable tooth 112, an arc chute 114 is formed in the front of the rotating disc 113, at least four arc chutes 114 are formed inside the rotating disc 113, the left side of the movable tooth 112 is clamped with the bottom inside the arc chute 114, a pull rope 115 is fixedly connected on the outer wall of the rotating disc 113, a steering wheel 116 is slidably connected on the top of the pull rope 115, a movable wheel 117 is slidably connected on the bottom of the pull rope 115, the movable wheel 117 is arranged right above the steering wheel 116, the shape and the size of the movable wheel 117 are riveted on the bottom of a smoke alarm 7, a fixed hook 118 is fixedly connected to one side of the pulling rope 115 away from the rotating disc 113, and the fixed hook 118 is welded to the top of the sliding circular plate 2.

Still include lifting unit 10, lifting unit 10's inside is provided with rotates post 101, the inside of rotating post 101 is pegged graft in the bottom of rachis 9, the inside of rotating post 101 has the recess with rachis 9's outer wall looks adaptation, annular chute 102 has been seted up to the outer wall of rotating post 101, annular chute 102 is the annular structure that end to end is connected, the left inside sliding connection of annular chute 102 has sliding block 103, sliding block 103's left side welding has bracing piece 104, the top welding of bracing piece 104 is in the bottom of slip plectane 2.

The device also comprises a fixed cylinder seat 1, a sliding circular plate 2 is connected inside the fixed cylinder seat 1 in a sliding manner, a sliding chute 3 is welded at the top of the sliding circular plate 2, a lifting cylinder 4 is welded at the outer wall of the sliding chute 3, a sealing plate 5 is connected inside the lifting cylinder 4 in a sliding manner, the fixed cylinder seat 1, the sliding chute 3, the lifting cylinder 4 and the sealing plate 5 are made of metal materials, the diameter of the top of the sealing plate 5 is larger than that of the top of the lifting cylinder 4, a supporting spring 6 is fixedly connected at the bottom inside the lifting cylinder 4, a smoke alarm 7 is fixedly connected at the top of the supporting spring 6, the smoke alarm 7 is fixedly connected inside the bottom of the sealing plate 5, a driving motor 8 is fixedly connected at the left side of the sliding chute 3, the smoke alarm 7 is electrically connected with the driving motor 8, a flower shaft 9 is fixedly connected at the bottom of the driving motor 8, a lifting assembly 10 is inserted into the outer wall at the bottom of the flower shaft 9, a contraction assembly 11 is inserted into the outer wall of the flower shaft 9, the bottom of smoke alarm 7 is welded with guide rod 12, and the bottom of guide rod 12 is connected inside chute 3 in a sliding manner.

Start driving motor 8, the rachis 9 drives and rotates post 101 clockwise this moment, further makes sliding block 103 in the inside periodic up-and-down motion of annular chute 102, bracing piece 104 drives the periodic up-and-down motion of slip plectane 2 this moment, further makes smoke alarm 7 periodic up-and-down motion, smoke alarm 7 patrols and examines the scope and can the grow this moment, need not the manual work and patrols and examines, reduces the cost of labor, thereby reached sensitivity height and the strong effect that can in time discover the condition of a fire of practicality.

When a fire occurs, the smoke alarm 7 can control the driving motor 8 to rotate reversely, the pull rope 115 can be wound on the outer wall of the rotating disc 113 at the moment, the movable wheel 117 further drives the smoke alarm 7 to move downwards, the sealing plate 5 can contract towards the inside of the lifting cylinder 4 to form a metal closed space at the moment, the stability of system operation is improved, and therefore the effect that the alarm can be protected to continuously alarm and the escape probability of workers is improved when a fire occurs is achieved.

The working principle is shown in detail in fig. 3-4, the driving motor 8 is started, the spline shaft 9 is fixedly connected to the bottom of the driving motor 8, the spline shaft 9 can rotate clockwise at the moment, the bottom of the spline shaft 9 is inserted into the rotating column 101, a groove matched with the outer wall of the spline shaft 9 is formed in the rotating column 101, the rotating column 101 can also rotate clockwise at the moment, and the annular chute 102 is formed in the outer wall of the rotating column 101, so that the annular chute 102 can also rotate clockwise at the moment.

Referring to fig. 1 in detail, since the annular chute 102 is an annular structure connected end to end, and the sliding block 103 is slidably connected to the inside of the left side of the annular chute 102, the sliding block 103 can periodically move up and down inside the annular chute 102, and since the supporting rod 104 is welded to the left side of the sliding block 103, the supporting rod 104 can also periodically move up and down, and since the top of the supporting rod 104 is welded to the bottom of the sliding circular plate 2, the sliding circular plate 2 can also periodically move up and down.

Because the top welding of slip plectane 2 has spout 3 again, the outer wall welding of spout 3 has a lift section of thick bamboo 4, so lift section of thick bamboo 4 also can periodic up-and-down motion this moment, because the inside bottom fixedly connected with supporting spring 6 of a lift section of thick bamboo 4, the top fixedly connected with smoke alarm 7 of supporting spring 6, so smoke alarm 7 also can periodic up-and-down motion this moment, smoke alarm 7 patrols and examines the scope and can grow this moment, the effectual speed that improves the condition of a fire discovery, thereby reached sensitivity height and strong effect that can in time discover the condition of a fire.

Please refer to fig. 5 for details, when a fire occurs, the smoke alarm 7 can detect a signal and send an alarm sound, because the smoke alarm 7 is electrically connected with the driving motor 8, at this time, the smoke alarm 7 can control the driving motor 8 to rotate reversely, at this time, the spline shaft 9 can rotate counterclockwise, because the inside of the ratchet wheel 111 is provided with a groove matched with the outer wall of the spline shaft 9, the outer wall of the spline shaft 9 is inserted into the inside of the ratchet wheel 111, at this time, the ratchet wheel 111 can also rotate, because the front surface of the rotating disc 113 is provided with the arc chute 114, the inside of the rotating disc 113 is provided with at least four arc chutes 114, the left side of the movable tooth 112 is clamped with the bottom inside of the arc chute 114, the left side of the outer wall of the ratchet wheel 111 is clamped with the movable tooth 112, and at this time, the rotating disc 113 can also rotate counterclockwise.

Referring to fig. 6 for details, because the outer wall of the rotating disc 113 is fixedly connected with the pulling rope 115, at this time, the pulling rope 115 is wound on the outer wall of the rotating disc 113, because the top of the pulling rope 115 is slidably connected with the steering wheel 116, the bottom of the pulling rope 115 is slidably connected with the movable wheel 117, one side of the pulling rope 115 far away from the rotating disc 113 is fixedly connected with the fixed hook 118, the fixed hook 118 is welded on the top of the sliding circular plate 2, at this time, the movable wheel 117 moves downwards, because the movable wheel 117 is riveted on the bottom of the smoke alarm 7, at this time, the smoke alarm 7 also moves downwards, and because the smoke alarm 7 is fixedly connected inside the bottom of the sealing plate 5, at this time, the sealing plate 5 also moves downwards, and because the sealing plate 5 is slidably connected inside the lifting cylinder 4, at this time, the sealing plate 5 contracts towards the inside of the lifting cylinder 4, and because the fixed cylinder base 1 and the sliding chute 3 are fixedly connected with the sealing plate 5, The lifting cylinder 4 and the sealing plate 5 are made of metal materials, the diameter of the top of the sealing plate 5 is larger than that of the top of the lifting cylinder 4, so that a metal closed space is formed at the moment, the device cannot be burnt out quickly at the moment, and the alarm can be protected to continuously give an alarm when a fire disaster happens, so that the escape probability of workers is improved.

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 invention, the scope of which is defined in the appended claims and their equivalents.