CN114935087A

CN114935087A - Fire-fighting monitoring system

Info

Publication number: CN114935087A
Application number: CN202210528429.2A
Authority: CN
Inventors: 丁玉祥; 刘侠
Original assignee: Individual
Current assignee: Zhangjiagang Jinwei Financial Services Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-08-23
Anticipated expiration: 2042-05-16
Also published as: CN114935087B

Abstract

The invention discloses a fire-fighting monitoring system in the technical field of fire-fighting monitoring, which comprises a chassis and a monitoring body, wherein a blind groove is formed in the chassis, a hollow rod is fixedly arranged on one surface of the chassis, an installation mechanism is arranged on the surface of the monitoring body, a lifting mechanism is arranged in the hollow rod and the blind groove, a limiting rod is horizontally inserted into a limiting hole by horizontally inserting the monitoring body into an installation sleeve, so that the installation of the monitoring body is conveniently realized, the convenience for installing the monitoring body is further effectively improved, the lead screw is driven to rotate, the lead screw enables a second guide block to slide upwards, the lifting rod is enabled to move upwards by the second guide block, the lifting rod vertically moves upwards through a fixed disc, an L-shaped connecting rod, the installation sleeve and the monitoring body, the height adjustment of the fixedly installed monitoring body is conveniently realized, and the flexibility of the monitoring body is further effectively improved, and the convenience of fire control monitoring operation is effectively improved.

Description

Fire-fighting monitoring system

Technical Field

The invention relates to the technical field of fire control monitoring, in particular to a fire control monitoring system.

Background

Fire control monitoring: the fire control monitoring is a monitoring device used for carrying out fire control safety management, fire protection monitoring and fire early warning on buildings or outdoors through the monitoring device. The fire-fighting monitoring system in the prior art has the following problems:

1. in the prior art, when a fire-fighting monitoring system is installed, a monitoring device is fixedly installed on a support rod mostly through a knob bolt, and the installation of the monitoring device is inconvenient because the knob bolt needs to be repeated to realize the installation of the monitoring device;

2. in the prior art, when a fire-fighting monitoring system is installed, the height of a support rod is mostly fixed and can not be adjusted, when other areas need to be monitored, a monitoring device needs to be detached, the position of the monitoring device needs to be adjusted, and then the monitoring device is installed, so that the monitoring device is poor in flexibility and low in convenience degree of fire-fighting monitoring operation;

3. when using monitoring device to monitor external environment when winter, because winter air is comparatively dry, cause the conflagration easily, and current technique can not adjust monitoring device's position, can't make monitoring device diversified carry out automatic tour to external environment, lead to the effect of winter fire control monitoring operation relatively poor from this.

Based on the above, the invention designs a fire fighting monitoring system to solve the above problems.

Disclosure of Invention

The invention aims to provide a fire-fighting monitoring system, which aims to solve the problems that the prior art proposes: the prior art is when installing fire control monitored control system, and monitoring device's installation is comparatively inconvenient, and simultaneously, monitoring device's flexibility is relatively poor, the convenient degree of fire control monitoring operation is lower, and can't make the diversified external environment of monitoring device carry out automatic inspection, leads to the relatively poor problem of effect of fire control monitoring operation in winter.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fire control monitored control system, includes chassis and control body, the camera bellows has been seted up to the inside on chassis, the one side fixed mounting on chassis has hollow pole, the surface of control body is equipped with installation mechanism, the inside of hollow pole and camera bellows is equipped with elevating system, elevating system's surface is equipped with slewing mechanism, be equipped with swing mechanism between slewing mechanism and the installation mechanism.

As a further scheme of the invention, the base plate is uniformly provided with threads on one surface close to the hollow rod, the mounting bolts are rotatably mounted, and the outer wall of the monitoring body is symmetrically provided with limiting holes.

As a further scheme of the invention, the mounting mechanism comprises a mounting sleeve, hollow sleeves are symmetrically and fixedly mounted on the outer wall of the mounting sleeve, first guide grooves are symmetrically formed in the inner walls of the two hollow sleeves, first guide blocks are slidably connected to the inner walls of the first guide grooves, a push disc is fixedly mounted between every two adjacent first guide blocks, the outer wall of the push disc is movably contacted with the inner wall of the hollow sleeve, pull rods are fixedly mounted on one surfaces of the two push discs, the pull rods are movably inserted into one ends of the hollow sleeves, telescopic springs are movably sleeved on the outer walls of the two pull rods, one ends of the telescopic springs are fixedly connected with the inner wall of the hollow sleeve, the other ends of the telescopic springs are fixedly connected with one surfaces of the push discs, and limiting rods are fixedly mounted on the surfaces of the two push discs, which are far away from the pull rods, the limiting rod penetrates through the inner wall of the mounting sleeve and the inner wall of the limiting hole to be movably inserted.

As a further scheme of the invention, an elastic ring is fixedly arranged on the inner wall of the mounting sleeve, the inner wall of the elastic ring is movably contacted with the outer wall of the monitoring body, the limiting rod penetrates through the elastic ring, and handles are fixedly arranged at one ends of the two pull rods, which are far away from the pushing disc.

As a further scheme of the invention, the lifting mechanism comprises a lifting rod, the outer wall of the lifting rod is movably contacted with the inner wall of the hollow rod, second guide grooves are symmetrically formed in the inner wall of the hollow rod, second guide blocks are connected to the inner walls of the two second guide grooves in a sliding mode, the second guide block is fixedly connected with the outer wall of the lifting rod, a screw rod is symmetrically and rotatably arranged on one surface of the hollow rod close to the chassis, the screw rods penetrate through the second guide groove and are in threaded rotary connection with the second guide block, driving wheels are fixedly arranged at one ends of the two screw rods close to the chassis, a driving belt is in transmission connection between the two driving wheels, the inside of camera obscura is fixed and is equipped with first motor, the drive output of first motor and the one end fixed connection of a lead screw, the one end fixed mounting that the second guide block was kept away from to the lifter has the fixed disk.

As a further scheme of the present invention, the outer wall of the first motor is fixedly connected to a first fixing block, and a surface of the first fixing block, which is far away from the first motor, is fixedly connected to the inner wall of the blind groove.

As a further scheme of the invention, the rotating mechanism comprises a first rotating rod, one end of the first rotating rod is rotatably connected with one surface of the fixed disk, the outer wall of the first rotating rod is fixedly provided with a fixed sleeve, the outer wall of the fixed sleeve is fixedly connected with an L-shaped connecting rod, one end of the L-shaped connecting rod, which is far away from the fixed sleeve, is fixedly connected with a U-shaped plate, the outer wall of the first rotating rod is fixedly provided with a first gear, one surface of the fixed disk, which is close to the lifting rod, is fixedly provided with a second motor, the driving output end of the second motor is fixedly provided with a transmission rod, one end of the transmission rod, which is far away from the second motor, is rotatably connected with the fixed disk, one end of the transmission rod, which is far away from the second motor, is fixedly provided with a sector gear, and the sector gear is in meshed connection with the first gear.

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

1. the monitoring body is horizontally inserted into the mounting sleeve, so that the limiting rod is horizontally inserted into the limiting hole, the mounting of the monitoring body is conveniently realized, and the convenience for mounting the monitoring body is effectively improved;

2. the screw rod is driven to rotate, the second guide block slides upwards through the screw rod, the lifting rod moves upwards through the second guide block and the fixed disc, the L-shaped connecting rod, the mounting sleeve and the monitoring body vertically move upwards, so that the height of the fixedly mounted monitoring body is conveniently adjusted, the flexibility of the monitoring body is effectively improved, and the convenience of fire-fighting monitoring operation is effectively improved;

3. through making first transfer line intermittent type nature rotate, first transfer line makes control body intermittent type nature horizontal direction rotate, and simultaneously, the cambered surface ring gear makes the reciprocal rotation of second gear, and the second gear makes the reciprocal rotation of axis of rotation, and the axis of rotation makes the reciprocal vertical direction swing of control body to convenient realization external environment's diversified tour control operation, and then the effectual effect that improves the fire control operation.

Drawings

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

FIG. 2 is a schematic view of the monitor body separated from the mounting sleeve according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 4 is a cutaway view of the base plate, hollow bar and protective sleeve of the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 4 according to the present invention;

FIG. 6 is an enlarged view of section C of FIG. 4 according to the present invention;

FIG. 7 is an enlarged view of portion D of FIG. 4 according to the present invention;

FIG. 8 is a cut-away schematic view of the hollow sleeve of the present invention;

FIG. 9 is an enlarged view of section E of FIG. 8 according to the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a chassis; 11. installing a bolt; 12. a hidden groove; 13. a hollow shaft; 2. monitoring the body; 21. a limiting hole; 3. an installation mechanism; 31. installing a sleeve; 32. an elastic ring; 33. a hollow sleeve; 34. a first guide groove; 35. a first guide block; 36. pushing the disc; 37. a pull rod; 371. a grip; 38. a tension spring; 39. a limiting rod; 4. a lifting mechanism; 41. a lifting rod; 42. a second guide groove; 43. a second guide block; 44. a screw rod; 45. a driving wheel; 46. a drive belt; 47. a first motor; 48. a first fixed block; 49. fixing the disc; 5. a rotating mechanism; 51. a first rotating lever; 52. fixing a sleeve; 53. an L-shaped connecting rod; 54. a U-shaped plate; 55. a first gear; 56. a protective sleeve; 57. a second motor; 58. a second fixed block; 59. a transmission rod; 591. a sector gear; 6. a swing mechanism; 61. a second rotating rod; 62. a bevel gear; 63. rotating the disc; 64. a synchronization rod; 65. fixing the rod; 66. a swing plate; 67. connecting grooves; 68. a cambered surface toothed ring; 69. a rotating shaft; 7. a second gear.

Detailed Description

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a fire control monitored control system, including chassis 1 and control body 2, camera bellows 12 has been seted up to chassis 1's inside, chassis 1's one side fixed mounting has hollow rod 13, the surface of control body 2 is equipped with installation mechanism 3, the fixed mounting of realization control body 2 that installation mechanism 3 can be convenient, the inside of hollow rod 13 and camera bellows 12 is equipped with elevating system 4, the altitude mixture control of realization control body 2 that elevating system 4 can be convenient, elevating system 4's surface is equipped with slewing mechanism 5, slewing mechanism 5 can be convenient the horizontal direction of realization control body 2 rotates, be equipped with swing mechanism 6 between slewing mechanism 5 and the installation mechanism 3, swing mechanism 6 can be convenient the vertical direction swing of realization control body 2.

Further, chassis 1 is close to the one side evenly distributed screw thread of hollow rod 13 and rotates and installs mounting bolt 11, through knob mounting bolt 11, can be with chassis 1 fixed mounting subaerial, and spacing hole 21 has been seted up to the outer wall symmetry of control body 2.

Further, the installation mechanism 3 includes an installation sleeve 31, the monitoring body 2 can be horizontally inserted into the installation sleeve 31, the outer wall of the installation sleeve 31 is symmetrically and fixedly provided with a hollow sleeve 33, the inner walls of the two hollow sleeves 33 are symmetrically provided with first guide grooves 34, the inner wall of each first guide groove 34 is connected with a first guide block 35 in a sliding manner, each first guide block 35 can slide along the horizontal direction of the inner wall of each first guide groove 34, a push disc 36 is fixedly installed between every two adjacent first guide blocks 35, each first guide block 35 can enable each push disc 36 to move horizontally, the outer wall of each push disc 36 is in movable contact with the inner wall of each hollow sleeve 33, one surface of each push disc 36 is fixedly provided with a pull rod 37, each pull rod 37 is movably inserted into one end of each hollow sleeve 33, each pull rod 37 can pull each push disc 36 to move horizontally by pulling, the outer walls of the two pull rods 37 are movably sleeved with a telescopic spring 38, one end of expanding spring 38 and hollow sleeve 33's inner wall fixed connection, the other end of expanding spring 38 and the one side fixed connection who promotes dish 36, when expanding spring 38 resets, enable the reverse horizontal migration of promotion dish 36, the equal fixed mounting in one side that pull rod 37 was kept away from to two promotion dishes 36 has gag lever post 39, promotion dish 36 can make gag lever post 39 synchronous horizontal migration, gag lever post 39 runs through the inner wall activity grafting of installation sleeve 31 and spacing hole 21, insert behind the inside of spacing hole 21 when gag lever post 39 level, realization that can be convenient monitors the fixed mounting of body 2, the dismantlement of monitoring body 2 of also being convenient for simultaneously.

Further, the inner wall fixed mounting of installation sleeve 31 has elastic ring 32, the inner wall of elastic ring 32 and the outer wall movable contact of control body 2, when the external diameter of the control body 2 of treating the installation is great, because elastic ring 32 possesses certain elasticity, be convenient for insert installation sleeve 31 with the control body 2 level, gag lever post 39 runs through elastic ring 32, two pull rods 37 keep away from the equal fixed mounting in one end of push disk 36 has handle 371, handle 371 can be convenient for the staff and stimulate pull rod 37.

Further, the lifting mechanism 4 comprises a lifting rod 41, the outer wall of the lifting rod 41 is in movable contact with the inner wall of the hollow rod 13, second guide grooves 42 are symmetrically formed in the inner wall of the hollow rod 13, the inner walls of the two second guide grooves 42 are connected with second guide blocks 43 in a sliding manner, the second guide blocks 43 can slide along the vertical direction of the inner walls of the second guide grooves 42, the second guide blocks 43 are fixedly connected with the outer wall of the lifting rod 41, the lifting rod 41 can be lifted in the vertical direction by the second guide blocks 43, a screw rod 44 is symmetrically and rotatably installed on one surface, close to the chassis 1, of the hollow rod 13, the screw rod 44 penetrates through the second guide grooves 42 and is in threaded and rotatably connected with the second guide blocks 43, the screw rod 44 can drive the second guide blocks 43 to slide in the vertical direction by rotating the screw rod 44, driving wheels 45 are fixedly installed at one ends, close to the chassis 1, of the two screw rods 44, and a driving belt 46 is connected between the two driving wheels 45, one screw 44 can synchronously and synchronously rotate the other screw 44 in the same direction through two driving wheels 45 and a driving belt 46, a first motor 47 is fixedly arranged inside the dark tank 12, a driving output end of the first motor 47 is fixedly connected with one end of one screw 44, a driving shaft of the first motor 47 can enable the screw 44 to rotate by starting the first motor 47, a fixed disc 49 is fixedly arranged at one end, far away from the second guide block 43, of the lifting rod 41, and the fixed disc 49 can be vertically lifted by the lifting rod 41.

Further, the outer wall fixed connection first fixed block 48 of first motor 47, the one side that first motor 47 was kept away from to first fixed block 48 and the inner wall fixed connection of camera obscura 12, and first fixed block 48 can effectual improvement first motor 47's stability.

Further, the rotating mechanism 5 includes a first rotating rod 51, one end of the first rotating rod 51 is rotatably connected with one surface of the fixed disk 49, a fixing sleeve 52 is fixedly mounted on the outer wall of the first rotating rod 51, an L-shaped connecting rod 53 is fixedly connected to the outer wall of the fixing sleeve 52, one end of the L-shaped connecting rod 53, which is far away from the fixing sleeve 52, is fixedly connected with a U-shaped plate 54, the first rotating rod 51 can enable the U-shaped plate 54 to rotate horizontally through the fixing sleeve 52 and the L-shaped connecting rod 53, a first gear 55 is fixedly mounted on the outer wall of the first rotating rod 51, the first gear 55 can enable the first rotating rod 51 to rotate, a second motor 57 is fixedly arranged on one surface of the fixed disk 49, which is close to the lifting rod 41, a driving output end of the second motor 57 is fixedly mounted with a driving rod 59, by turning on the second motor 57, a driving shaft of the second motor 57 can drive the driving rod 59 to rotate, one end of the driving rod 59, which is far away from the second motor 57, is rotatably connected with the fixed disk 49, a sector gear 591 is fixedly mounted at one end of the transmission rod 59, which is far away from the second motor 57, the transmission rod 59 enables the sector gear 591 to rotate, the sector gear 591 is meshed with the first gear 55, and the sector gear 591 can drive the first gear 55 to rotate intermittently.

Further, the fixed disk 49 is kept away from the one side fixed mounting of lifter 41 and is had a protection sleeve 56, and L type connecting rod 53 runs through protection sleeve 56 and protection sleeve 56 fixed connection, and L type connecting rod 53 can make protection sleeve 56 rotate in step, and the outer wall fixedly connected with second fixed block 58 of second motor 57, second fixed block 58 and fixed disk 49 fixed connection, second fixed block 58 can effectual improvement second motor 57's stability.

Further, the swing mechanism 6 includes a second rotating rod 61, the second rotating rod 61 penetrates through the protecting sleeve 56 and is rotatably connected with the protecting sleeve 56, one end of each of the first rotating rod 51 and the second rotating rod 61 is fixedly provided with a bevel gear 62, the two bevel gears 62 are engaged with each other, the first rotating rod 51 can enable the second rotating rod 61 to synchronously rotate through the two bevel gears 62 which are engaged with each other, one end of the second rotating rod 61, which is far away from the bevel gear 62, is fixedly provided with a rotating disc 63, the second rotating rod 61 can enable the rotating disc 63 to rotate, one side of the rotating disc 63, which is far away from the second rotating rod 61, is fixedly provided with a synchronizing rod 64, the rotating disc 63 can enable the synchronizing rod 64 to rotate by taking the axis of the rotating disc 63 as the center of a circle, the outer wall of the U-shaped plate 54 is fixedly provided with a fixing rod 65, one end of the fixing rod 65, which is far away from the U-shaped plate 54, is rotatably provided with a swing plate 66, the surface of the swing plate 66 is provided with a connecting groove 67, the end of synchronizing bar 64 that keeps away from rolling disc 63 and the inner wall movable contact of connecting groove 67, synchronizing bar 64 can make swing plate 66 reciprocal swing through connecting groove 67, the one end fixed mounting of swing plate 66 has cambered surface ring gear 68, swing plate 66 can make cambered surface ring gear 68 reciprocal swing, the outer wall symmetry fixed mounting of installation sleeve 31 has axis of rotation 69, axis of rotation 69 can make the reciprocal swing of installation sleeve 31 vertical direction, axis of rotation 69 and U-shaped board 54 rotate to be connected, the one end fixed mounting that installation sleeve 31 was kept away from to axis of rotation 69 has second gear 7, second gear 7 can make axis of rotation 69 reciprocal rotation, cambered surface ring gear 68 and second gear 7 meshing connection, cambered surface ring gear 68 can make second gear 7 reciprocal rotation.

The working principle is as follows: when the monitoring body 2 needs to be installed, a worker firstly turns the four installation bolts 11 clockwise respectively to fix the chassis 1 with the ground;

then, the two grips 371 are pulled back at the same time, the two grips 371 move the two push disks 36 back by the two pull rods 37, and the two extension springs 38 are contracted, the two push disks 36 slide the corresponding two first guide blocks 35 back along the inner walls of the corresponding first guide grooves 34, and at the same time, move the two stopper rods 39 back, then the monitoring body 2 is horizontally inserted into the mounting sleeve 31, and the two limiting holes 21 on the outer wall of the monitoring body 2 horizontally correspond to the corresponding limiting rods 39, then the two grips 371 are released, at this time, the two expansion springs 38 are extended to move the two push disks 36 towards each other, the two push disks 36 move the two limit rods 39 towards each other, and the two limit rods 39 are horizontally inserted into the corresponding limit holes 21, therefore, the installation of the monitoring body 2 is conveniently realized, and the convenience for installing the monitoring body 2 is further effectively improved;

then, by turning on the first motor 47, the driving shaft of the first motor 47 rotates a corresponding screw rod 44, one screw rod 44 rotates another screw rod 44 synchronously and equidirectionally through the two driving wheels 45 and the driving belt 46, at this time, the two screw rods 44 rotate synchronously and equidirectionally and make the two second guide blocks 43 slide vertically and upwardly along the inner wall of the corresponding second guide groove 42, the two second guide blocks 43 make the lifting rod 41 move vertically and upwardly, the lifting rod 41 makes the fixed disc 49, the L-shaped connecting rod 53, the mounting sleeve 31 and the monitoring body 2 in the mounting sleeve 31 move vertically and upwardly until the height of the monitoring body 2 after vertical lifting meets the fire monitoring requirement, then the first motor 47 is turned off, thereby conveniently realizing the height adjustment of the monitoring body 2 after fixed mounting, the flexibility of the monitoring body 2 is effectively improved, and the convenience of fire-fighting monitoring operation is effectively improved;

when the external environment needs to be inspected in multiple directions, a worker turns on the second motor 57, the driving shaft of the second motor 57 enables the transmission rod 59 to rotate, the transmission rod 59 enables the sector gear 591 to rotate, the sector gear 591 drives the first gear 55 to intermittently rotate, the first gear 55 enables the first rotation rod 51 to intermittently rotate, and the first rotation rod 51 intermittently and horizontally rotates through the fixing sleeve 52, the L-shaped connecting rod 53, the U-shaped plate 54, the two rotation shafts 69, the mounting sleeve 31 and the monitoring body 2;

meanwhile, the first rotating rod 51 enables the second rotating rod 61 to synchronously rotate through the two conical gears 62 which are meshed with each other, the second rotating rod 61 enables the rotating disc 63 to rotate, the rotating disc 63 enables the synchronizing rod 64 to rotate by taking the axis of the rotating disc 63 as the center of a circle, the synchronizing rod 64 enables the swinging plate 66 to swing in a reciprocating mode through the connecting groove 67, the swinging plate 66 enables the cambered surface toothed ring 68 to swing in a reciprocating mode, the cambered surface toothed ring 68 enables the second gear 7 to rotate in a reciprocating mode, the second gear 7 enables the corresponding rotating shaft 69 to rotate in a reciprocating mode, at the moment, the two rotating shafts 69 enable the monitoring body 2 to swing in a reciprocating vertical direction through the mounting sleeve 31, accordingly, the external environment can be conveniently achieved in a multidirectional patrol monitoring operation, and the effect of fire-fighting monitoring operation is effectively improved.

Claims

1. The utility model provides a fire control monitored control system, includes chassis (1) and control body (2), its characterized in that: dark groove (12) have been seted up to the inside on chassis (1), the one side fixed mounting on chassis (1) has hollow pole (13), the surface of control body (2) is equipped with installation mechanism (3), the inside of hollow pole (13) and dark groove (12) is equipped with elevating system (4), the surface of elevating system (4) is equipped with slewing mechanism (5), be equipped with swing mechanism (6) between slewing mechanism (5) and installation mechanism (3).

2. A fire monitoring system as defined in claim 1, wherein: the chassis (1) is close to the one side evenly distributed screw thread of hollow rod (13) and rotates and installs construction bolt (11), spacing hole (21) have been seted up to the outer wall symmetry of control body (2).

3. A fire monitoring system as defined in claim 2, wherein: installation mechanism (3) is including installation sleeve (31), the outer wall symmetry fixed mounting of installation sleeve (31) has hollow sleeve (33), two first guide way (34) have been seted up to the equal symmetry of inner wall of hollow sleeve (33), the inner wall sliding connection of first guide way (34) has first guide block (35), adjacent two fixed mounting has push disc (36) between first guide block (35), the outer wall of push disc (36) and the inner wall movable contact of hollow sleeve (33), two the equal fixed mounting in one side of push disc (36) has pull rod (37), the one end activity grafting of pull rod (37) and hollow sleeve (33), two the outer wall of pull rod (37) is all movable to be overlapped and is equipped with expanding spring (38), the one end of expanding spring (38) and the inner wall fixed connection of hollow sleeve (33), the other end of expanding spring (38) and the one side fixed connection who promotes dish (36), two the equal fixed mounting in one side that pull rod (37) were kept away from in the promotion dish (36) has gag lever post (39), gag lever post (39) run through the inner wall activity grafting of installation sleeve (31) and spacing hole (21).

4. A fire monitoring system as defined in claim 3, wherein: the inner wall fixed mounting of installation sleeve (31) has elastic ring (32), the outer wall movable contact of the inner wall of elastic ring (32) and control body (2), elastic ring (32), two are run through in gag lever post (39) the equal fixed mounting in one end that push disk (36) was kept away from in pull rod (37) has handle (371).

5. A fire monitoring system as defined in claim 1, wherein: the lifting mechanism (4) comprises a lifting rod (41), the outer wall of the lifting rod (41) is in movable contact with the inner wall of the hollow rod (13), second guide grooves (42) are symmetrically formed in the inner wall of the hollow rod (13), the inner walls of the second guide grooves (42) are connected with second guide blocks (43) in a sliding mode, the second guide blocks (43) are fixedly connected with the outer wall of the lifting rod (41), a screw rod (44) is symmetrically and rotatably installed on one surface, close to the chassis (1), of the hollow rod (13), the screw rod (44) penetrates through the second guide grooves (42) and is in threaded rotation connection with the second guide blocks (43), transmission wheels (45) are fixedly installed at one ends, close to the chassis (1), of the two screw rods (44), a transmission belt (46) is connected between the two transmission wheels (45), and a first motor (47) is fixedly arranged inside the blind groove (12), the driving output end of the first motor (47) is fixedly connected with one end of a screw rod (44), and a fixed disc (49) is fixedly mounted at one end, far away from the second guide block (43), of the lifting rod (41).

6. A fire monitoring system as defined in claim 5, wherein: the outer wall of the first motor (47) is fixedly connected with a first fixing block (48), and one surface, far away from the first motor (47), of the first fixing block (48) is fixedly connected with the inner wall of the hidden groove (12).

7. A fire monitoring system according to claim 5, wherein: slewing mechanism (5) is including first transfer pole (51), the one end of first transfer pole (51) and the one side of fixed disk (49) rotate to be connected, the outer wall fixed mounting of first transfer pole (51) has fixed cover (52), the outer wall fixedly connected with L type connecting rod (53) of fixed cover (52), the one end fixedly connected with U template (54) of fixed cover (52) is kept away from in L type connecting rod (53), the outer wall fixed mounting of first transfer pole (51) has first gear (55), the fixed disk (49) is close to the fixed second motor (57) that is equipped with of one side of lifter (41), the drive output end fixed mounting of second motor (57) has transfer line (59), the one end and fixed disk (49) rotation connection of keeping away from second motor (57) of transfer line (59), the one end fixed mounting that second motor (57) was kept away from in transfer line (59) has sector gear (591), the sector gear (591) is in meshed connection with the first gear (55).