Mast mechanism for emergency communication cabinet

Abstract

The utility model relates to a mast mechanism for an emergency communication cabinet, which is characterized in that a mast cabin is used for mounting a mast lifting assembly, and the mast lifting assembly is used for driving an antenna angle adjusting assembly to lift and comprises a lifting mast, a mast hoop and a bracket mounting seat; the antenna angle adjusting assembly comprises a horizontal rotating mechanism and an inclination angle adjusting mechanism and is mounted on the bracket mounting seat through the main body bracket; the horizontal rotating mechanism comprises a motor, a main shaft, an upper shaft seat, a lower shaft seat and a plurality of clamping seats, the inclination angle adjusting mechanism comprises an electric push rod, a first connecting rod, a second connecting rod and an antenna base, and the wind-resistant damping assembly comprises a shell with an opening in one side, a damping ball and a plurality of damping springs. The damping balls arranged in the shell are connected with the shell and the sealing plate through the damping springs in the longitudinal direction, the transverse direction and the height direction. According to the utility model, the antenna direction can be automatically adjusted in all directions, the signal coverage area and intensity can be flexibly and rapidly adjusted, and the mast has strong wind resistance and is safe and stable to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mast mechanism for emergency communication cabinet belongs to emergency communication cabinet technical field. BACKGROUND

[0002] The emergency communication base station cabinet system integrates the cabinet, the lifting mast and the AUU (active antenna unit), the BBU (baseband processing unit) equipment and the RRU (radio remote unit) equipment are installed in the cabinet, the emergency communication base station cabinet system can not only realize the temporary communication facility of quick deployment for the communication demand protection when the natural disaster, the emergency or the conventional communication facility failure, but also can solve the signal of the fixed base station and the transitional communication requirement.

[0003] Due to the limitation of the deployment site, the complex environment, especially the complex terrain and climate condition of the use site, the poor signal range coverage, the inconvenient field signal coverage area and intensity adjustment, especially the poor wind resistance of the mast, the safety and stability of the mast are reduced. SUMMARY

[0004] The utility model discloses a kind of mast mechanism for emergency communication cabinet, which can automatically adjust antenna direction, flexibly and quickly adjust signal coverage area and intensity, and the mast has strong wind resistance, is safe and stable to use.

[0005] The technical scheme to achieve the above-mentioned purpose of the utility model is: a mast mechanism for emergency communication cabinet, characterized by comprising mast cabin, mast lifting assembly, antenna angle adjusting assembly and wind resistance damping assembly.

[0006] The mast cabin is used for installing the mast lifting assembly, the opening side of the mast cabin is hinged with a mast cabin cabinet door, a window through which the lifting mast extends is provided on the top plate of the cabinet body, a dust cover is hinged to the top plate of the cabinet body and covers the window, a power box and an air pump are installed in the mast cabin.

[0007] The mast lifting assembly is used to drive the lifting of the antenna angle adjusting assembly, and comprises a lifting mast, a mast clamp and a bracket mounting seat. The bottom of the fixed mast is installed on the cabinet base of the mast cabin through fasteners, and at least two mast clamps installed on the partition plate of the mast cabin fix the fixed mast. The top of the lifting mast is provided with a bracket mounting seat on the movable mast, and the air pump is connected to the air inlet of the lifting mast through an air pipe.

[0008] The antenna angle adjustment assembly is used for adjusting the horizontal rotation mechanism of the antenna rotation direction and the tilt adjustment mechanism of the antenna tilt angle. The horizontal rotation mechanism and the tilt adjustment mechanism are mounted on the bracket mounting base through the main body bracket. The horizontal rotation mechanism includes a motor, a main shaft, an upper shaft seat, a lower shaft seat, and multiple clamps. The motor is mounted on the main body bracket, and the output side of the motor is connected to the main shaft. The main shaft is mounted on the main body bracket through the upper shaft seat and the lower shaft seat. The main shaft rotates relative to the upper shaft seat and the lower shaft seat. The multiple clamps are connected to the main shaft and rotate with the main shaft.

[0009] The tilt adjustment mechanism includes an electric push rod, a first connecting rod, a second connecting rod, and an antenna base. The fixed seat of the electric push rod is hinged to the lower clamp. The end of the electric push rod's moving rod is hinged to one end of the first connecting rod and one end of the second connecting rod. The other end of the first connecting rod is hinged to the upper clamp, and the other end of the second connecting rod is hinged to the middle support of the antenna mounting rod. The bottom clamp is connected to the antenna base, and the antenna base is hinged to the bottom support of the antenna mounting rod.

[0010] The wind-resistant damping assembly is used to reduce wind and vibration of the mast. It includes a housing with an opening on one side, a damping ball, and multiple damping springs. A sealing plate is installed at the opening of the housing. The housing is installed on the top of the main support. The damping ball inside the housing has inner hooks in the longitudinal, transverse, and height directions. The housing and the sealing plate have corresponding outer hooks. The two ends of the multiple damping springs are connected to the corresponding inner and outer hooks, respectively.

[0011] This utility model's lifting mast employs a double-clamp installation and is mounted at the bottom within the mast cabin, enhancing its stability. The antenna angle adjustment assembly utilizes a horizontal rotation mechanism and a tilt adjustment mechanism. Through a motor and electric actuator structure, it automatically adjusts the antenna's azimuth and elevation angles, improving the responsiveness and convenience of on-site antenna adjustments, achieving rapid deployment and response, and solving the problem of inconvenient signal coverage area and intensity adjustment. This utility model incorporates a wind-damping component in the antenna angle adjustment assembly. When wind blows and causes the mast antenna to sway, it provides a counter-force, reducing wind-induced antenna sway. This ensures the mast antenna's safety and stability, expanding the application scenarios of the emergency communication cabinet. This utility model's emergency communication cabinet mast mechanism has a reasonable and practical structure, offering advantages such as safety, reliability, flexible adjustment, and good wind resistance and stability. Attached Figure Description

[0012] The embodiments of this utility model will now be described in further detail with reference to the accompanying drawings.

[0013] Figure 1 This is a structural schematic diagram of the mast compartment of the emergency communication cabinet of this utility model.

[0014] Figure 2 This is a schematic diagram of the structure of the present invention for removing the antenna angle adjustment component and the wind damping component.

[0015] Figure 3 This is a three-dimensional structural diagram of the antenna angle adjustment component of this utility model.

[0016] Figure 4 This is a cross-sectional structural diagram of the antenna angle adjustment component of this utility model.

[0017] Figure 5 This is a structural schematic diagram of the wind-damping component of this utility model.

[0018] 1—Equipment compartment, 2—Mast compartment, 2-1—Bullet, 2-2—Window, 2-3—Hinge seat, 3—Mast clamp, 4—Raising mast, 4-1—Fixed mast, 4-11—Connecting flange, 4-2—Moving mast, 5—Dust cover, 5-1—Side guard, 5-2—Side bar, 6—Windproof rope reel, 7—Bracket mounting seat, 8—Main support, 8-1—Base plate, 8-2—Vertical side plate, 8-3—First cover, 8-4—Second cover, 8-5—Damping seat, 8-51—Side baffle, 8-52—Upper cover, 9—Horizontal rotation mechanism, 9-1—Lower shaft seat, 9-2—Clamping seat, 9-3—Main shaft, 9-4—Lower Limit seat, 9-5—Upper limit seat, 9-6—Reducer, 9-7—Motor, 9-8—Coupling, 9-9—Upper shaft seat, 10—Tilting adjustment mechanism, 10-1—First connecting rod, 10-2—Second connecting rod, 10-3—Electric push rod, 10-4—Antenna base, 11—Wind-resistant damping assembly, 11-1—Sealing plate, 11-2—Housing, 11-3—Outer hook, 11-4—Shock-absorbing spring, 11-5—Inner hook, 11-6—Damping ball, 12—Antenna mounting mast, 12-1—Intermediate support, 12-2—Bottom support, 13—Power supply box, 14—Mast cabin door, 15—Air pump, 16—Air pump box. Detailed Implementation

[0019] See Figures 1-5 As shown, the present invention provides a mast mechanism for an emergency communication cabinet, including a mast cabin 2, a mast lifting assembly, an antenna angle adjustment assembly, and a wind-resistant damping assembly 11.

[0020] See Figure 1 , 2As shown, the mast cabin 2 is used for installing the mast lifting assembly, the emergency communication cabinet is divided into independent equipment cabin 1 and mast cabin 2 by the partition 2-1, the opening side of the mast cabin 2 is hinged with the mast cabin cabinet door 14, the window 2-2 is arranged on the cabinet top plate and the telescopic mast 4 extends out, the dust cover 5 is hinged on the cabinet top plate and covers the window 2-2, the power box 13 and the air pump 15 are installed in the mast cabin 2, the air pump 15 is installed in the mast cabin 2 through the air pump box 16, when the lifting mast 4 is not lifted, the turnover dust cover 5 can be closed to reduce dust in the cabinet, the power box 13 provides power for the lifting mast 4, the motor 9-7 and the electric push rod 10-3, and the air pump 15 provides air source for the lifting mast 4.

[0021] See Figure 2 As shown, the utility model can achieve better dustproof effect after closing the dust cover 5, the cabinet top plate is provided with the hinged seat 2-3 at the window 2-2, the dust cover 5 is installed on the hinged seat 2-3 through the hinge, the dust cover 5 is provided with the baffle 5-1 at the front and both sides, therefore the baffle 5-1 covers the window 2-2, the baffle 5-1 at the front of the dust cover 5 is provided with the inner extension baffle 5-2, the baffle 5-2 is provided with the mounting hole, the baffle 5-2 can adopt angle steel or U-shaped channel steel, the angle steel and the U-shaped channel steel are provided with the mounting hole at the joint with the top of the door frame, the baffle 5-2 corresponds to the notch of the top of the door frame, one side of the two ends of the U-shaped channel steel is provided with a missing corner, the top of the door frame of the mast cabin 2 is provided with a notch, the two ends of the notch of the door frame are provided with screw holes, the dust cover 5 covers the window 2-2, the baffle 5-1 at the front of the dust cover 5 is flush with the top plate, and the baffle 5-2 is arranged at the notch of the door frame, the screw is arranged in the mounting hole of the baffle 5-2 and connected and screwed on the door frame, when the mast is not lifted, the dust cover 5 can be closed through the hinge, then the dust cover 5 is fixed on the cabinet through the screw, dust and mosquitoes can be reduced to enter the cabinet, and the stability and service life of the equipment are affected.

[0022] See Figure 1 , 2The utility model mast lifting assembly is used for driving the lifting of the antenna angle adjusting assembly, and conveniently adjusts signal coverage range and intensity. The utility model discloses a mast lifting assembly includes lifting mast 4, mast hoop 3 and support mounting seat 7, lifting mast 4 includes fixed mast 4-1 and the at least two movable masts 4-2 of sequential suit, lifting mast 4 adopts pneumatic control telescopic structure, the fixed mast 4-1 bottom is installed on the rack base of mast cabin 2 through fastener, the fixed mast 4-1 bottom has connecting flange plate 4-11, and connecting flange plate 4-11 is installed on the rack base through fastener, at least two mast hoops 3 on the partition 2-1 of mast cabin 2 fix the fixed mast 4-1, reliably fix lifting mast 4 on mast cabin 2, and the top movable mast 4-2 of lifting mast 4 is equipped with support mounting seat 7, installs the antenna angle adjusting assembly and wind resistance damper assembly 11 on lifting mast 4, and air pump 15 is connected with the air inlet of lifting mast 4 through air pipe and communicates, when air pump 15 fills the air inlet at the bottom of lifting mast 4 through air pipe, makes movable mast 4-2 rise, when descending, opens the exhaust valve of lifting mast 4, and interrupts the inflation of air pump 15, and each movable mast 4-2 retracts.

[0023] See Figure 1 、 2 The utility model lifting mast 4's top movable mast 4-2 is further equipped with windproof pull rope disc 6, and the periphery of windproof pull rope disc 6 is equipped with rope hole, and windproof pull rope disc is installed in the upper portion of movable mast and is located in the lower portion of support mounting seat 7, and windproof pull rope is further fixed to lifting mast 4, and the wind resistance is improved, and support mounting seat 7 is flange and is installed in movable mast 4-2, and a plurality of threaded holes are equipped on support mounting seat 7, and the top movable mast 4-2 top also adopts flange mounting disc, and main support 8 is installed on the support mounting seat 7 of lifting mast 4 through set screw.

[0024] See Figure 1 、 3 , 4, the utility model antenna angle adjusting assembly is used for adjusting the horizontal rotation mechanism 9 of antenna rotation direction and the inclination angle adjusting mechanism 10 of antenna inclination angle, and horizontal rotation mechanism 9 and inclination angle adjusting mechanism 10 are installed on support mounting seat 7 through main support 8.

[0025] See Figure 1 、 3The horizontal rotating mechanism 9 shown in the figure comprises a motor 9-7, a main shaft 9-3, an upper shaft seat 9-9, a lower shaft seat 9-1 and a plurality of clamping seats 9-2, the motor 9-7 is installed on the main body support 8, the output side of the motor 9-7 is connected with the main shaft 9-3, the main shaft 9-3 is installed on the main body support 8 through the upper shaft seat 9-9 and the lower shaft seat 9-1, the main shaft 9-3 rotates relative to the upper shaft seat 9-9 and the lower shaft seat 9-1, the plurality of clamping seats 9-2 are connected on the main shaft 9-3 and rotate with the main shaft 9-3, the main shaft 9-3 is driven to rotate by the motor 9-7, and then the adjustment of the antenna installation holding pole 12 in the horizontal direction is realized.

[0026] See Figure 1 、 3 The inclination adjusting mechanism 10 shown in the figure comprises an electric push rod 10-3, a first connecting rod 10-1 and a second connecting rod 10-2, and an antenna base 10-4, the fixed seat of the electric push rod 10-3 is hinged on the lower clamping seat 9-2, the fixed seat of the electric push rod 10-3 is installed on the lower clamping seat 9-2 through a pin shaft, the end of the moving rod of the electric push rod 10-3 is hinged with one end of the first connecting rod 10-1 and one end of the second connecting rod 10-2, the first connecting rod 10-1 and the second connecting rod 10-2 are also installed on the end of the moving rod of the electric push rod 10-3 through a same pin shaft, the other end of the first connecting rod 10-1 is hinged on the upper clamping seat 9-2, and the other end of the second connecting rod 10-2 is hinged on the middle support 12-1 of the antenna installation holding pole 12, the first connecting rod 10-1 and the clamping seat 9-2 and the second connecting rod 10-2 and the middle support 12-1 of the antenna installation holding pole 12 are also connected through pin shafts, the lower clamping seat 9-2 is connected with the antenna base 10-4, the antenna base 10-4 is hinged on the bottom support 12-2 of the antenna installation holding pole 12, and the antenna base 10-4 and the bottom support 12-2 of the antenna installation holding pole 12 are connected through a pin shaft, so that the first connecting rod 10-1 and the second connecting rod 10-2 are driven by the electric push rod 10-3 to link, the inclination of the antenna installation holding pole 12 is conveniently adjusted, the electric push rod 10-3 has a good self-locking function, the antenna angle can be kept stable when power is off, and therefore the multi-angle adjusting function of the antenna installation holding pole 12 is realized.

[0027] See Figure 1 、 5As shown, the wind resistance damping assembly 11 is used for wind resistance damping of the mast, comprising a shell 11-2 with an opening on one side, a damping ball 11-6 and a plurality of damping springs 11-4, the opening of the shell 11-2 is provided with a sealing plate 11-1, the shell 11-2 is installed on the top of the main support 8, the damping ball 11-6 arranged in the shell 11-2 is provided with an inner hook 11-5 in the longitudinal direction, the transverse direction and the height direction, the shell 11-2 and the sealing plate 11-1 are provided with corresponding outer hooks 11-3, and the two ends of the plurality of damping springs 11-4 are connected to the corresponding inner hooks 11-5 and outer hooks 11-3, so that the damping springs 11-4 in the longitudinal direction, the transverse direction and the height direction are used for multidirectional damping, the damping ball 11-6 reciprocates in multiple directions, converts wind energy into internal energy, reduces the swing of the mast antenna, and improves the wind resistance of the mast.

[0028] As shown in Figure 3 、 4 As shown, the main support 8 of the utility model is further provided with an upper limiting seat 9-5 and a lower limiting seat 9-4 between the upper shaft seat 9-9 and the lower shaft seat 9-1, the upper limiting seat 9-5 and the lower limiting seat 9-4 are installed on the main support 8 through fasteners, the main shaft 9-3 rotates relative to the upper limiting seat 9-5 and the lower limiting seat 9-4, the bottom clamping seat 9-2 is connected with the lower shaft seat 9-1, the lower clamping seat 9-2 is connected with the lower limiting seat 9-4, the upper clamping seat 9-2 is connected with the upper limiting seat 9-5, the upper shaft seat 9-9, the lower shaft seat 9-1 and the upper limiting seat 9-5 and the lower limiting seat 9-4 are wear-resistant bearing seats, so that the main shaft 9-3 rotates in the upper shaft seat 9-9, the lower shaft seat 9-1 and the upper limiting seat 9-5 and the lower limiting seat 9-4.

[0029] As shown in Figure 3 、 4 As shown, the main support 8 of the utility model comprises a bottom plate 8-1, a damping seat 8-5 at the top, a vertical side plate 8-2 and a first cover 8-3 and a second cover 8-4, the vertical side plate 8-2 is fixed between the bottom plate 8-1 and the damping seat 8-5, the lower part of the vertical side plate 8-2 is provided with a notch, the motor 9-7 is installed on the bottom plate 8-1, the first cover 8-3 is installed on the bottom plate 8-1 and the vertical side plate 8-2 and covers the motor 9-7, so as to provide a sealed waterproof working space for the motor 9-7, the output side of the motor 9-7 is connected with the input side of the speed reducer 9-6, the speed reducer 9-6 is installed on the bottom plate 8-1, and the output shaft of the speed reducer 9-6 is connected with the main shaft 9-3 through the shaft coupling 9-8, the output power of the motor 9-7 is transmitted to the main shaft 9-3 through the shaft coupling 9-8 after being decelerated, the second cover 8-4 is installed on the bottom plate 8-1 and the vertical side plate 8-2 and covers the speed reducer 9-6 and the shaft coupling 9-8, the main shaft 9-3 is installed on the second cover 8-4 at the lower part and installed on the damping seat 8-5 at the top, and the lower part of the main shaft 9-3 of the speed reducer 9-6 and the shaft coupling 9-8 is also sealed and waterproofed.

[0030] As shown in Figure 3 、 4 The utility model discloses a lower axle seat 9-1 is installed on the upper portion of the second cover 8-4 through fastener, and the upper axle seat 9-9 is installed on the lower portion of the damping seat 8-5 through fastener, and the upper limiting seat 9-5 and the lower limiting seat 9-4 are installed on the vertical side plate 8-2 through fastener.

[0031] As shown in Figure 3 The utility model discloses that the damping seat 8-5 is equipped with the side baffle 8-51 and the inserted plate of inside turning on both sides, and the damping seat 8-5 is equipped with the upper cover 8-52 on the upper portion of the main shaft 9-3, the both sides of the shell 11-2 are equipped with corresponding recess, and the notch at the bottom of the shell 11-2 is located at the upper cover 8-52, the inserted plate of the damping seat 8-5 is arranged in the recess on both sides of the shell 11-2, the fastener passes through the mounting hole on the side baffle 8-51 and is screwed on the screw hole of the shell 11-2, installs the wind resistance damping assembly 11 on the main support 8, reduces the swing of the mast antenna, can promote the wind resistance of the mast.

[0032] The both sides of the top of the damping seat 8-5 are equipped with the turned-up edge, and a plurality of mounting holes are arranged on the turned-up edge, the damping seat 8-5 is equipped with the upper cover 8-52 on the upper portion of the main shaft 9-3, the notch at the bottom of the shell 11-2 is located at the upper cover 8-52, the shell 11-2 is arranged on the damping seat 8-5, the fastener passes through the mounting hole on the turned-up edge and is connected on the screw hole of the shell 11-2, installs the wind resistance damping assembly 11 on the main support 8, reduces the swing of the mast antenna, promotes the wind resistance of the mast.

Claims

1. A mast mechanism for an emergency communications cabinet, characterized by: The mast cabin (2), the mast lifting assembly, the antenna angle adjusting assembly and the wind resistance damping assembly (11) are included. The mast cabin (2) is used for installing the mast lifting assembly, the opening side of the mast cabin (2) is hinged with a mast cabin cabinet door (14), a window (2-2) through which the lifting mast (4) extends is arranged on the top plate of the cabinet body, a dust cover (5) is hinged on the top plate of the cabinet body and covers the window (2-2), and a power supply box (13) and an air pump (15) are installed in the mast cabin (2); The mast lifting assembly is used for driving the lifting of the antenna angle adjusting assembly and includes the lifting mast (4), the mast hoop (3) and the support mounting seat (7), the lifting mast (4) includes the fixed mast (4-1) and at least two active masts (4-2) which are sequentially sleeved, the bottom of the fixed mast (4-1) is installed on the cabinet base of the mast cabin (2) through fasteners, at least two mast hoops (3) installed on the partition (2-1) of the mast cabin (2) fix the fixed mast (4-1), the active mast (4-2) at the top of the lifting mast (4) is provided with the support mounting seat (7), and the air pump (15) is connected and communicated with the air inlet of the lifting mast (4) through an air pipe; The antenna angle adjusting assembly includes a horizontal rotating mechanism (9) for adjusting the rotating direction of the antenna and an inclination adjusting mechanism (10) for adjusting the inclination angle of the antenna, the horizontal rotating mechanism (9) and the inclination adjusting mechanism (10) are installed on the support mounting seat (7) through the main body support (8), the horizontal rotating mechanism (9) includes a motor (9-7), a main shaft (9-3), an upper shaft seat (9-9), a lower shaft seat (9-1) and a plurality of clamping seats (9-2), the motor (9-7) is installed on the main body support (8), the output side of the motor (9-7) is connected with the main shaft (9-3), the main shaft (9-3) is installed on the main body support (8) through the upper shaft seat (9-9) and the lower shaft seat (9-1), the main shaft (9-3) rotates relative to the upper shaft seat (9-9) and the lower shaft seat (9-1), and the plurality of clamping seats (9-2) are connected on the main shaft (9-3) and rotate with the main shaft (9-3); The inclination adjusting mechanism (10) includes an electric push rod (10-3), a first connecting rod (10-1), a second connecting rod (10-2) and an antenna base (10-4), the fixed seat of the electric push rod (10-3) is hinged on the lower clamping seat (9-2), the end of the moving rod of the electric push rod (10-3) is hinged with one end of the first connecting rod (10-1) and one end of the second connecting rod (10-2), the other end of the first connecting rod (10-1) is hinged on the upper clamping seat (9-2), the other end of the second connecting rod (10-2) is hinged on the middle support (12-1) of the antenna mounting hoop (12), the lower clamping seat (9-2) is connected with the antenna base (10-4), and the antenna base (10-4) is hinged on the bottom support (12-2) of the antenna mounting hoop (12). The anti-wind damping assembly (11) is used for anti-wind damping of a mast, comprising a shell (11-2) provided with an opening, a damping ball (11-6) and a plurality of damping springs (11-4), the opening of the shell (11-2) is provided with a sealing plate (11-1), the shell (11-2) is installed on the top of a main body support (8), the damping ball (11-6) arranged in the shell (11-2) is provided with an inner hook (11-5) in the longitudinal direction, the transverse direction and the height direction respectively, the shell (11-2) and the sealing plate (11-1) are provided with corresponding outer hooks (11-3), and the two ends of the plurality of damping springs (11-4) are connected to the corresponding inner hooks (11-5) and outer hooks (11-3) respectively.

2. A mast mechanism for an emergency communications cabinet according to claim 1, characterised in that: The main body support (8) is further provided with an upper limiting seat (9-5) and a lower limiting seat (9-4) between the upper shaft seat (9-9) and the lower shaft seat (9-1), the upper limiting seat (9-5) and the lower limiting seat (9-4) are installed on the main body support (8) through fasteners, the main shaft (9-3) rotates relative to the upper limiting seat (9-5) and the lower limiting seat (9-4), the bottom clamping seat (9-2) is connected to the lower shaft seat (9-1), the lower clamping seat (9-2) is connected to the lower limiting seat (9-4), and the upper clamping seat (9-2) is connected to the upper limiting seat (9-5).

3. A mast mechanism for an emergency communications cabinet according to claim 2, characterised in that: The upper shaft seat (9-9), the lower shaft seat (9-1), the upper limiting seat (9-5) and the lower limiting seat (9-4) are wear-resistant bearing seats.

4. A mast mechanism for an emergency communications cabinet according to claim 1, wherein: The main body support (8) comprises a bottom plate (8-1), a damping seat (8-5) at the top, a vertical side plate (8-2), a first cover (8-3) and a second cover (8-4), the vertical side plate (8-2) is fixed between the bottom plate (8-1) and the damping seat (8-5), the lower part of the vertical side plate (8-2) is provided with a notch, a motor (9-7) is installed on the bottom plate (8-1), the first cover (8-3) is installed on the bottom plate (8-1) and the vertical side plate and covers the motor (9-7), the output side of the motor (9-7) is connected to the input side of a speed reducer (9-6), the speed reducer (9-6) is installed on the bottom plate (8-1), the output shaft of the speed reducer (9-6) is connected to the main shaft (9-3) through a shaft coupling (9-8), the second cover (8-4) is installed on the bottom plate (8-1) and the vertical side plate (8-2) and covers the speed reducer (9-6) and the shaft coupling (9-8), and the main shaft (9-3) is installed on the second cover (8-4) at the lower part and installed on the damping seat (8-5) at the top.

5. A mast mechanism for an emergency communications cabinet according to claim 4, characterised in that: The lower shaft seat (9-1) is installed on the upper part of the second cover (8-4) through fasteners, the upper shaft seat (9-9) is installed on the lower part of the damping seat (8-5) through fasteners, and the upper limiting seat (9-5) and the lower limiting seat (9-4) are installed on the vertical side plate (8-2) through fasteners.

6. A mast mechanism for an emergency communications cabinet according to claim 4, wherein: The damping seat (8-5) is provided with side baffles (8-51) and turned-in insertion plates on both sides, the damping seat (8-5) is provided with an upper cover (8-52) on the upper portion of the main shaft (9-3), the shell (11-2) is provided with corresponding grooves on both sides, the gap in the bottom of the shell (11-2) is located at the upper cover (8-52), the insertion plates of the damping seat (8-5) are arranged in the grooves on both sides of the shell (11-2), and the fasteners pass through the mounting holes in the side baffles (8-51) and are screwed in the threaded holes of the shell (11-2).

7. A mast mechanism for an emergency communications cabinet according to claim 4, wherein: The damping seat (8-5) is provided with turned-out edges on both sides of the top, the turned-out edges are provided with a plurality of mounting holes, the damping seat (8-5) is provided with an upper cover (8-52) on the upper portion of the main shaft (9-3), the gap in the bottom of the shell (11-2) is located at the upper cover (8-52), the shell (11-2) is arranged on the damping seat (8-5), and the fasteners pass through the mounting holes in the turned-out edges and are connected to the threaded holes of the shell (11-2).

8. A mast mechanism for an emergency communications cabinet according to claim 1, characterized in that: The top movable mast (4-2) of the lifting mast (4) is further provided with a wind-preventing rope disc (6), the wind-preventing rope disc (6) is provided with rope holes around, and the support mounting seat (7) is a flange plate and is arranged on the movable mast (4-2).

9. A mast mechanism for an emergency communications cabinet according to claim 1, wherein: The top plate of the cabinet body is provided with a hinged seat (2-3) at the window (2-2), the dustproof cover (5) is arranged on the hinged seat (2-3) through a hinge, the dustproof cover (5) is provided with a front edge (5-1) and two side edges, the front edge (5-1) of the dustproof cover (5) is provided with an inwardly-extending blocking strip (5-2), the blocking strip (5-2) is provided with a mounting hole, the mast cabin (2) is provided with a gap at the top of the door frame, the dustproof cover (5) covers the window (2-2), the front edge (5-1) of the dustproof cover (5) is flush with the top plate, the blocking strip (5-2) is arranged at the gap of the door frame, and the screw is arranged in the mounting hole of the blocking strip (5-2) and is screwed on the door frame.

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