CN114220240A

CN114220240A - Fire prevention early warning equipment

Info

Publication number: CN114220240A
Application number: CN202111551394.6A
Authority: CN
Inventors: 胡绍婷; 李智; 张义铎; 李婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-03-22

Abstract

The invention discloses a fire-proof early warning device, which relates to the technical field of early warning devices and comprises two lifting frames, wherein lifting mechanisms are arranged inside the two lifting frames, a fixed base is arranged at the bottom between the two lifting frames through bolts, a rotating mechanism is arranged inside the fixed base, the air can be detected through a detection box, when a fire disaster is detected, an alarm can be given, at the moment, an escape person can use the device, the device can lead trapped persons to move to an escape channel, the dense smoke with different heights can be detected through a plurality of smoke sensors, the detection box is adjusted to a proper safety height, an infrared generator is started, transverse laser can be irradiated on the wall of a corridor to achieve the effect of marking the safety height, and at the moment, the escape person only escapes along with the device below an infrared marking line, thereby avoiding the defect that the escape route is not familiar to be trapped indoors during the escape.

Description

Fire prevention early warning equipment

Technical Field

The invention relates to the technical field of early warning equipment, in particular to fireproof early warning equipment.

Background

Along with the development of society, the consciousness of fire prevention early warning is also strengthening gradually, through the detection to the conflagration to can make people know the condition of conflagration in advance, through the warning of very first time, so that improve people's safety.

However, most of the existing early warning devices can only achieve the effects of detecting and alarming fire, cannot achieve certain escape assisting effects on escaping personnel, and cannot be disassembled, assembled and replaced when parts are damaged, so that the waste of resources is increased, and a fireproof early warning device is designed to solve the problems.

Disclosure of Invention

The invention aims to provide a fire-proof early warning device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a fireproof early warning device comprises two lifting frames, wherein lifting mechanisms are arranged inside the two lifting frames, a fixed base is arranged at the bottom between the two lifting frames through bolts, a rotating mechanism is arranged inside the fixed base, the top end of the fixed base is connected with an article storage box through a bolt, two mounting plates are symmetrically arranged between the two lifting frames, the bottom ends of the two mounting plates are fixedly connected with a supporting base, the opposite ends of the two mounting plates are fixedly connected with a locking block, a locking mechanism is arranged inside the locking block, and rectangular limiting plates are welded on the two side walls of the locking block;

two be equipped with the detection case between the mounting panel, the siren is installed on the top of detection case, the internally mounted of detection case has smoke detection device, all dig on the top of detection case and the front and back both sides wall and be equipped with a plurality of recesses, and the inside of every recess all installs the mouth of pipe that ventilates, there is the installation piece through bolted connection on the bottom face of detection case, the symmetry is excavated on the inner wall of installation piece and is equipped with two fixed slots, the bottom of installation piece is equipped with the camera mounting panel, the inside of camera mounting panel is equipped with fixed establishment, panoramic camera is installed to the bottom of camera mounting panel.

In a further embodiment, locking mechanism includes the dead lever of fixed connection in the locking block, the top symmetry of dead lever is equipped with two threaded rods, two the other end that the threaded rod is relative all rotates to be connected on the inner wall of locking block, two the one end that the threaded rod is close to the locking block center all is connected with the bevel gear, the top of locking block is equipped with the rolling disc, the bottom fixedly connected with dwang of rolling disc, and the other end of dwang run through the locking block and be connected with the bevel gear, two connect through the bevel gear meshing between threaded rod and the dwang.

In a further embodiment, the fixing mechanism comprises two first movable plates, a supporting plate is fixedly connected to one side of the two first movable plates, which is close to the center of the camera mounting plate, two through holes are dug on the supporting plate, the opposite ends of the two first movable plates are fixedly connected with first inserting blocks, the opposite ends of the two first movable plates are fixedly connected with two connecting rods, the other ends of the two connecting rods penetrate through the through holes on the supporting plate and are fixedly connected with second movable plates, moving rods are fixedly connected on the surfaces of the second movable plates, the other end of the movable rod penetrates through the camera mounting plate and is fixedly connected with a pulling block, one end of the second movable plate close to the center of the camera mounting plate is fixedly connected with a second inserting block, the bottom face of second inserted block is gone up to dig and is equipped with the slot, two first fly leaf all passes through spring and backup pad fixed connection.

In a further embodiment, slewing mechanism is including rotating the driving gear of connection on unable adjustment base inner bottom terminal surface, article are deposited two baffles of incasement symmetry fixedly connected with, two install driving motor between the baffle, driving motor's output run through unable adjustment base and with driving gear fixed connection, two all rotate on the bottom face in the crane and be connected with driven gear, two connect through the gear rotation connecting band between driven gear and the driving gear, two the equal fixedly connected with backup pad of the other end that the baffle is relative, and the backup pad can deposit the inside branch of case article for two about depositing.

In a further embodiment, elevating system includes that the top rotates the lifting screw rod of connecting the top in the crane, lifting screw rod's bottom and driven gear fixed connection, threaded connection has the slider on the lifting screw rod, one side that the detection case was kept away from to lifting screw rod is equipped with the lift limiting plate, lift limiting plate fixed connection is on the inner wall of crane, it is equipped with the movable groove to cut on the lateral wall that the lift limiting plate is close to lifting screw rod, fixedly connected with elevator on the terminal surface that the slider is close to the lift limiting plate, and elevator sliding connection is in the spout, connecting block and mounting panel fixed connection are passed through to the one end that lifting screw plate was kept away from to the slider.

In a further embodiment, the fixed rod is symmetrically and slidably connected with two sliding blocks, the two threaded rods are all in threaded connection with movable blocks, the two movable blocks and the two sliding blocks are respectively and fixedly connected through movable blocks, two installation blocks are arranged on one sides, away from the center of the locking block, of the two movable blocks, the two installation blocks are all fixedly connected with the movable blocks through elastic pieces, two grooves are formed in two side walls of the locking block, and the bottom of the fixed rod is fixedly connected with an anti-collision block.

In a further embodiment, the top and the bottom of the first movable plate and the second movable plate are fixedly connected with a fixed plate, a sliding groove is drilled on one end surface of the fixed plate close to the first movable plate and the second movable plate, the top end and the bottom end of the first movable plate and the second movable plate are fixedly connected with a sliding part, and the sliding part is slidably connected in the sliding groove.

In a further embodiment, the center department of camera mounting panel installs the retaining shell, the inside of retaining shell is equipped with the lifter plate, two retaining members of the top symmetry fixedly connected with of lifter plate, the one end that two retaining members were kept away from to the lifter plate all is through two elastic component fixed connection on the bottom face of retaining shell, the lifter plate on the surface fixedly connected with mounting, and the other end of mounting runs through the one end and the fixedly connected with movable plate of camera mounting panel.

In a further embodiment, every the one end that the mouth of pipe of ventilating is close to the detection case center all is connected with smoke detection device through the suction fan, two install a plurality of smoke sensors through the bolt on the crane keeps away from a lateral wall of unable adjustment base, every smoke sensor all passes through electric connection with driving motor.

In a further embodiment, the four corners of the bottom of the detection box are respectively connected with an infrared emitter through bolts, the laser emitted by each infrared emitter is transverse laser, and each infrared emitter is electrically connected with the smoke detection device in the detection box.

Compared with the prior art, the invention has the beneficial effects that:

the invention can detect air through the detection box, and can give an alarm when a fire disaster is detected, and the escape personnel can use the equipment to lead the trapped personnel to move to the escape passage, and can detect the dense smoke with different heights through the arranged smoke sensors, and adjust the detection box to the proper safety height, and start the infrared generator, so that the transverse laser can be irradiated on the wall of the corridor to achieve the effect of marking the safety height, and the escape personnel only escape from the equipment below the infrared marking line, thereby avoiding the defect that the escape route is trapped indoors due to unfamiliarity with the escape route.

Drawings

FIG. 1 is a body diagram of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a bottom view of the detection chamber of the present invention;

FIG. 4 is a front view of the interior of the locking block of the present invention;

FIG. 5 is a main view of the mounting plate and locking block of the present invention;

FIG. 6 is a schematic view of the structure of the detection box and the locking block of the present invention when they are installed;

fig. 7 is an enlarged view of the invention at a.

In the figure: 1. a lifting frame; 2. a fixed base; 3. an article storage case; 4. a baffle plate; 5. a drive motor; 6. a detection box; 7. mounting a plate; 8. lifting a threaded rod; 9. a slider; 10. a lifting limit plate; 11. a smoke sensor; 12. an infrared emitter; 13. a camera mounting plate; 14. mounting blocks; 15. a vent tube orifice; 16. a first insert block; 17. a first movable plate; 18. a connecting rod; 19. a fixing plate; 20. a second movable plate; 21. a second insert block; 22. a blocking shell; 23. a lifting plate; 24. a support plate; 25. a spring; 26. a support base; 27. a rectangular limiting plate; 28. a locking block; 29. rotating the disc; 30. a threaded rod; 31. a movable block; 32. fixing the rod; 33. an anti-collision block; 34. a moving block; 35. mounting blocks; 36. a driven gear; 37. a driving gear; 38. the gear rotates the connecting band; 39. a lifting mechanism; 40. a rotating mechanism; 41. a locking mechanism; 42. and a fixing mechanism.

Detailed Description

The following will clearly and completely describe the technical solutions 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 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. 1-7, the embodiment provides a fire-proof early warning device, which includes two lifting frames 1, wherein lifting mechanisms 39 are respectively arranged inside the two lifting frames 1, a fixed base 2 is installed at the bottom between the two lifting frames 1 through bolts, a rotating mechanism 40 is arranged inside the fixed base 2, an article storage box 3 is connected to the top end of the fixed base 2 through bolts, two mounting plates 7 are symmetrically arranged between the two lifting frames 1, supporting bases 26 are respectively and fixedly connected to the bottom ends of the two mounting plates 7, locking blocks 28 are respectively and fixedly connected to the opposite ends of the two mounting plates 7, locking mechanisms 41 are arranged inside the locking blocks 28, and rectangular limiting plates 27 are welded on the two side walls of the locking blocks 28;

be equipped with detection case 6 between two mounting panels 7, the siren is installed on the top of detection case 6, the internally mounted of detection case 6 has smoke detection device, all cut on the top of detection case 6 and the front and back both sides wall and be equipped with a plurality of recesses, and the inside of every recess all installs draught tube mouth 15, there is installation piece 14 through bolted connection on the bottom face of detection case 6, the symmetry is cut on installation piece 14's the inner wall and is equipped with two fixed slots, the bottom of installation piece 14 is equipped with camera mounting panel 13, the inside of camera mounting panel 13 is equipped with fixed establishment 42, panoramic camera is installed to the bottom of camera mounting panel 13.

The existing early warning equipment can only play a role in detecting and alarming fire disasters mostly, cannot have a certain escape assisting effect on escaping personnel, and cannot perform dismounting and replacing operations on parts when the parts are damaged.

Can detect the air through the detection case, when detecting out the conflagration breaing out, thereby can send out the police dispatch newspaper, the personnel of fleing can use equipment this moment, make equipment can take the stranded personnel to remove to escape route department, a plurality of smoke inductor through setting up, thereby can detect the dense smoke of co-altitude not, can automatically regulated detection case 6 to suitable safe height this moment, and open infrared generator 12, and then can shine horizontal laser on the wall in corridor, in order to reach the effect of marking safe height, the personnel of fleing only can with unfamiliar equipment escape below the infrared mark line this moment, thereby avoid appearing when fleing because be familiar with the route of fleing and stranded at indoor drawback.

In order to realize the effect of smog detection in the indoor environment, every vent pipe mouth 15 is close to the one end at 6 centers of detection case and all is connected with smog detection device through the suction fan, installs a plurality of smog inductors 11 through the bolt on two crane 1 keep away from a lateral wall of unable adjustment base 2, and every smog inductor 11 all passes through electric connection with driving motor 5.

In this embodiment, through starting the suction fan, through the start-up that sets up the suction fan, and then can make outside air transportation to smoke detection device in, detect the air of inhaling through smoke detection device, when the quality that detects the air belongs to the conflagration, can initiate the police dispatch newspaper this moment.

When the fire is too big and escape is needed, the rotating mechanism 40 comprises a driving gear 37 which is rotatably connected to the inner bottom end surface of the fixed base 2, two baffles 4 are symmetrically and fixedly connected to the inside of the article storage box 3, a driving motor 5 is installed between the two baffles 4, the output end of the driving motor 5 penetrates through the fixed base 2 and is fixedly connected with the driving gear 37, driven gears 36 are rotatably connected to the bottom end surfaces of the two lifting frames 1, and the two driven gears 36 and the driving gear 37 are connected through a gear rotating connecting belt 38

Cooperate elevating system 39 to include that the top rotates the lifting threaded rod 8 of connecting the top in crane 1 after that, lifting threaded rod 8's bottom and 36 fixed connection of driven gear, threaded connection has slider 9 on the lifting threaded rod 8, one side that detection case 6 was kept away from to lifting threaded rod 8 is equipped with lift limiting plate 10, lift limiting plate 10 fixed connection is on crane 1's inner wall, it is equipped with the movable groove to cut on the lateral wall that lift limiting plate 10 is close to lifting threaded rod 8, fixedly connected with elevator on the terminal surface that slider 9 is close to lift limiting plate 10, and elevator sliding connection is in the spout, connecting block and 7 fixed connection are passed through to the one end that lifting limiting plate 10 was kept away from to slider 9.

In this embodiment, through starting driving motor 5, and then can drive driving gear 37 and rotate, because connect through gear rotation connecting band 38 between two driven gear 36 and the driving gear 37, thereby can pass through driving gear 37's rotation, it is rotatory simultaneously to drive two driven gear 36, through the rotation of two driven gear 36, and then can be rotatory simultaneously through driving two threaded rod 8, can make slider 9 rotate this moment, simultaneously because slider 9 passes through elevator sliding connection in the spout of lift limiting plate 10, thereby can make slider 9 remove on lift threaded rod 8, through the removal of slider 9, can play the purpose of adjusting the lift of detection case 6.

In order to adjust the detection case 6 to suitable safe height, every vent pipe mouth 15 is close to the one end at detection case 6 center and all is connected with smoke detection device through the suction fan, installs a plurality of smoke inductor 11 through the bolt on two crane 1 keep away from a lateral wall of unable adjustment base 2, and every smoke inductor 11 all passes through electric connection with driving motor 5.

In this embodiment, through a plurality of smoke sensor 11 on crane 1 lateral wall to can detect the dense cigarette that the conflagration sent, thereby can know the safe scope that the people can pass, this moment because smoke sensor 11 passes through electric connection with driving motor 5, thereby can be through the start-up of adjusting driving motor 5, in order to realize adjusting the purpose that detection case 6 goes up and down.

In order to mark safe height, all there is infrared emitter 12 bottom four corners department of detection case 6 through bolted connection, and the laser of every infrared emitter 12 transmission is horizontal laser, every infrared emitter 12 all with the smog detection device electric connection in the detection case 6.

In this embodiment, through the lift of detection case 6, can drive infrared generator 12 and go up and down, this moment through opening infrared generator 12, and then can shine horizontal laser on the wall in corridor, the personnel of fleing only need then equipment run away can this moment.

Example 2

Referring to fig. 4-7, a further improvement is made on the basis of embodiment 1:

in order to realize the disassembly and replacement of the panoramic camera, the fixing mechanism 42 comprises two first movable plates 17, one side of the two first movable plates 17 close to the center of the camera mounting plate 13 is fixedly connected with a supporting plate 24, two through holes are drilled on the supporting plate 24, the other opposite ends of the two first movable plates 17 are fixedly connected with first insertion blocks 16, the one opposite ends of the two first movable plates 17 are fixedly connected with two connecting rods 18, the other ends of the two connecting rods 18 penetrate through the through holes on the supporting plate 24 and are fixedly connected with second movable plates 20, a moving rod is fixedly connected on the surface of the second movable plate 20, the other end of the moving rod penetrates through the camera mounting plate 13 and is fixedly connected with a pulling block, one end of the second movable plate 20 close to the center of the camera mounting plate 13 is fixedly connected with a second insertion block 21, and a slot is drilled on the bottom end face of the second insertion block 21, both first movable plates 17 are fixedly connected with the support plate 24 through springs 25.

The center department of camera mounting panel 13 installs fender shell 22, and the inside of fender shell 22 is equipped with lifter plate 23, two retaining members of the top symmetry fixedly connected with of lifter plate 23, and the one end that two retaining members were kept away from to lifter plate 23 all is on the bottom face of fender shell 22 through two elastic component fixed connection, lifter plate 23's fixedly connected with mounting on the surface, and the other end of mounting runs through the one end and the fixedly connected with movable plate of camera mounting panel 13.

In this embodiment, when the camera mounting plate 13 needs to be disassembled and assembled, the pulling block is pulled at this time, so as to drive the second movable plate 20 to move, the first movable plate 17 can be driven to move through the connecting rod 18 by the movement of the second movable plate 20, so as to retract the first insertion block 16 into the camera mounting plate 13, at this time, the first insertion block 16 can be retracted into the camera mounting plate 13, so as to achieve the purpose of disassembling the camera mounting plate 13, at this time, the second insertion block 21 can be inserted into the blocking housing 22 by the movement of the second movable plate 20, so that the second insertion block 21 can press the locking member at the top end of the lifting plate 23 downwards, after the second movable plate 20 is moved, the lifting plate 23 can be pushed up by the elastic member at the bottom end thereof, so that the locking member can be inserted into the second insertion block 21, so as to achieve continuous retraction of the first insertion block 16 in the camera mounting plate 13, thereby be convenient for carry out dismouting change operation to panoramic camera.

In order to realize carrying out the dismouting change to detection case 6, locking mechanism 41 includes fixed connection the dead lever 32 in latch segment 28, the top symmetry of dead lever 32 is equipped with two threaded rods 30, the other end that two threaded rods 30 are relative all rotates the inner wall of connecting on latch segment 28, the one end that two threaded rods 30 are close to the latch segment 28 center all is connected with the bevel gear, the top of latch segment 28 is equipped with rolling disc 29, the bottom fixedly connected with dwang of rolling disc 29, and the other end of dwang runs through latch segment 28 and is connected with the bevel gear, connect through the bevel gear meshing between two threaded rods 30 and the dwang.

Two sliding blocks are symmetrically and slidably connected to the fixing rod 32, the two threaded rods 30 are respectively and threadedly connected with the movable blocks 31, the two movable blocks 31 and the two sliding blocks are respectively and fixedly connected through the movable blocks 34, two installation blocks 35 are arranged on one sides, away from the center of the locking block 28, of the two movable blocks 34, the two installation blocks 35 are fixedly connected with the movable blocks 34 through elastic pieces, two grooves are formed in two side walls of the locking block 28, and the bottom of the fixing rod 32 is fixedly connected with the anti-collision block 33.

In this embodiment, in the detection case 6 is dismantled to needs, rotatory rolling disc 29, and then can drive the dwang rotatory, because be connected through the bevel gear meshing between two threaded rods 30 and the dwang, thereby can pass through the rotation of dwang, it is rotatory to drive two threaded rods 30 simultaneously, in order to play the purpose that adjusts movable block 31 and remove, this moment with the removal of movable block 31, so that the sliding block moves on dead lever 32, make the more stable that movable block 34 removed, the phenomenon of rocking is difficult to appear, can make a plurality of installation pieces 35 shift out from the installation piece on the detection case 6 this moment, can realize dismantling the purpose of detection case 6.

Example 3

Referring to fig. 1 or 7, a further improvement is made on the basis of embodiment 1:

in order to realize that the other ends opposite to the two baffle plates 4 are fixedly connected with supporting plates, the supporting plates can divide the inside of the article storage box 3 into an upper storage chamber and a lower storage chamber.

In this embodiment, when the conflagration breaing out, in order to avoid dense cigarette to cause the damage to the human body, the fleeing personnel can deposit case 3 through opening article this moment, and then can take first aid articles such as its inside gas mask to can provide certain help for the fleeing personnel.

In order to make the first movable plate 17 and the second movable plate 20 move more stably, the top and the bottom of the first movable plate 17 and the second movable plate 20 are both fixedly connected with a fixed plate 19, a sliding groove is cut on one end surface of the fixed plate 19 close to the first movable plate 17 and the second movable plate 20, and the top end and the bottom end of the first movable plate 17 and the second movable plate 20 are both fixedly connected with a sliding part which is slidably connected in the sliding groove.

When the first movable plate 17 and the second movable plate 20 move, the sliding part at the bottom of the first movable plate 17 and the second movable plate 20 can slide in the sliding groove in the fixed plate 19, so that the first movable plate 17 and the second movable plate 20 can be limited, the movement is more stable, the phenomenon of loosening and shaking is not easy to occur, and the stability of limiting and fixing is affected.

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.

Claims

1. A fire prevention early warning device is characterized by comprising two lifting frames (1), wherein lifting mechanisms (39) are arranged inside the two lifting frames (1), a fixed base (2) is arranged at the bottom between the two lifting frames (1) through bolts, a rotating mechanism (40) is arranged in the fixed base (2), the top end of the fixed base (2) is connected with an article storage box (3) through a bolt, two mounting plates (7) are symmetrically arranged between the two lifting frames (1), the bottom ends of the two mounting plates (7) are fixedly connected with a supporting base (26), the opposite ends of the two mounting plates (7) are fixedly connected with a locking block (28), a locking mechanism (41) is arranged inside the locking block (28), and rectangular limiting plates (27) are welded on two side walls of the locking block (28);

two be equipped with detection case (6) between mounting panel (7), the siren is installed on the top of detection case (6), the internally mounted of detection case (6) has smog detection device, all cut on the top of detection case (6) and the front and back both sides wall and be equipped with a plurality of recesses, and the inside of every recess all installs draught tube mouth (15), there are installation piece (14) through bolted connection on the bottom face of detection case (6), the symmetry is cut on the inner wall of installation piece (14) and is equipped with two fixed slots, the bottom of installation piece (14) is equipped with camera mounting panel (13), the inside of camera mounting panel (13) is equipped with fixed establishment (42), panoramic camera is installed to the bottom of camera mounting panel (13).

2. A fire prevention warning device according to claim 1, characterized in that: locking mechanism (41) are including fixed connection dead lever (32) in latch segment (28), the top symmetry of dead lever (32) is equipped with two threaded rods (30), two the other end that threaded rod (30) is relative all rotates to be connected on the inner wall of latch segment (28), two the one end that threaded rod (30) are close to latch segment (28) center all is connected with the bevel gear, the top of latch segment (28) is equipped with rolling disc (29), the bottom fixedly connected with dwang of rolling disc (29), and the other end of dwang runs through latch segment (28) and be connected with the bevel gear, two connect through the bevel gear meshing between threaded rod (30) and the dwang.

3. A fire prevention warning device according to claim 1, characterized in that: the fixing mechanism (42) comprises two first movable plates (17), two first movable plates (17) are fixedly connected with a supporting plate (24) at one side close to the center of the camera mounting plate (13), two through holes are drilled in the supporting plate (24), two opposite ends of the first movable plates (17) are fixedly connected with first insert blocks (16), two opposite ends of the first movable plates (17) are fixedly connected with two connecting rods (18), the other ends of the two connecting rods (18) penetrate through the through holes in the supporting plate (24) and are fixedly connected with second movable plates (20), the second movable plates (20) are fixedly connected with moving rods on the surface, the other ends of the moving rods penetrate through the camera mounting plate (13) and are fixedly connected with pull blocks, and one ends of the second movable plates (20) close to the center of the camera mounting plate (13) are fixedly connected with second insert blocks (21), the bottom end face of the second inserting block (21) is provided with a slot, and the first movable plate (17) is fixedly connected with the supporting plate (24) through a spring (25).

4. A fire prevention warning device according to claim 1, characterized in that: slewing mechanism (40) are including rotating driving gear (37) of connection on unable adjustment base (2) inner bottom terminal surface, article deposit two baffles (4) of case (3) interior symmetry fixedly connected with, two install driving motor (5) between baffle (4), the output of driving motor (5) run through unable adjustment base (2) and with driving gear (37) fixed connection, two all rotate on the bottom face in crane (1) and be connected with driven gear (36), two connect through gear rotation connecting band (38) between driven gear (36) and driving gear (37), two the equal fixedly connected with backup pad of the other end that baffle (4) is relative, and the backup pad can be divided into two about depositing with the inside that article were deposited case (3) and deposit between.

5. A fire prevention pre-warning device according to claim 4, characterised in that: elevating system (39) include that the top rotates lift threaded rod (8) of connecting the top in crane (1), the bottom and driven gear (36) fixed connection of lift threaded rod (8), threaded connection has slider (9) on lift threaded rod (8), one side that detection case (6) were kept away from in lift threaded rod (8) is equipped with lift limiting plate (10), lift limiting plate (10) fixed connection is on the inner wall of crane (1), it is equipped with the activity groove to cut on the lateral wall that lift limiting plate (10) are close to lift threaded rod (8), fixedly connected with elevator on slider (9) are close to the terminal surface of lift limiting plate (10), and elevator sliding connection is in the spout, the one end that lift limiting plate (10) were kept away from in slider (9) is passed through connecting block and mounting panel (7) fixed connection.

6. A fire prevention warning device according to claim 2, wherein: two sliding blocks are symmetrically and slidably connected to the fixing rod (32), two movable blocks (31) are connected to the threaded rod (30) in a threaded mode, two movable blocks (31) and two sliding blocks are fixedly connected through movable blocks (34), two installation blocks (35) are arranged on one side, away from the center of the locking block (28), of each movable block (34), the installation blocks (35) are fixedly connected with the movable blocks (34) through elastic pieces, two grooves are formed in the two side walls of the locking block (28), and the bottom of the fixing rod (32) is fixedly connected with an anti-collision block (33).

7. A fire prevention pre-warning device according to claim 3, characterised in that: the top and the bottom of first fly leaf (17) and second fly leaf (20) equal fixedly connected with fixed plate (19), fixed plate (19) are close to and dig on the terminal surface of first fly leaf (17) and second fly leaf (20) and are equipped with the spout, the top and the equal fixedly connected with slider in bottom of first fly leaf (17) and second fly leaf (20), and slider sliding connection is in the spout.

8. A fire prevention pre-warning device according to claim 3, characterised in that: the center department of camera mounting panel (13) installs fender shell (22), the inside of fender shell (22) is equipped with lifter plate (23), two retaining members of the top symmetry fixedly connected with of lifter plate (23), the one end that two retaining members were kept away from in lifter plate (23) all is on the bottom face of fender shell (22) through two elastic component fixed connection, the fixedly connected with mounting on the surface of lifter plate (23), and the other end of mounting runs through the one end and the fixedly connected with movable plate of camera mounting panel (13).

9. A fire prevention warning device according to claim 1, characterized in that: every one end that draught tube mouth (15) are close to detection case (6) center all is connected with smoke detection device through the suction fan, two install a plurality of smoke inductor (11), every on the lateral wall of unable adjustment base (2) is kept away from in crane (1) smoke inductor (11) all pass through electric connection with driving motor (5).

10. A fire prevention warning device according to claim 1, characterized in that: the bottom four corners department of detection case (6) all has infrared emitter (12), every the laser of infrared emitter (12) transmission is horizontal laser, every infrared emitter (12) all with the smog detection device electric connection in the detection case (6).