CN111921138A - Multifunctional fire extinguisher filling device - Google Patents

Abstract

The invention relates to a multifunctional fire extinguisher filling device, comprising a cabinet body, multiple fire extinguishing agent filling units, a maintenance unit and a filling and measuring unit sequentially arranged in the cabinet body from top to bottom. Compared with the prior art, the present invention has a simple structure and is easy to operate. By integrating various fire extinguishing agent filling components, a water pressure test chamber, an air tightness test chamber and a drying and maintenance workbench into one, it can satisfy the filling requirements of various fire extinguishers. needs and maintenance needs, has a relatively wide range of applications.

Description

A multifunctional fire extinguisher filling device

technical field

The invention belongs to the technical field of a fire extinguisher filling device, and relates to a multifunctional fire extinguisher filling device.

Background technique

A fire extinguisher is a portable fire-fighting tool, usually stored in public places or places with fire hazards, and its interior is filled with chemicals used to put out fires. Fire extinguishers need to be refilled after use. The performance of the fire extinguishing agent filling equipment directly affects the accuracy of the filling amount, the safety and complexity of the filling operation.

Chinese patent CN201911072170.X discloses a fire extinguishing agent filling equipment and a filling method thereof. The equipment includes a vacuum pump, a storage container, a filling component, a storage container, a filling component, a storage container, and a filling component. 3. Storage container 4 and filling assembly 4. The fire extinguishing agent filling equipment is used to make the vacuum pump vacuum the fire extinguisher first, and then fill at least one solvent stored in the storage container two into the fire extinguisher through the second filling component, and fill the fire extinguisher in three directions through the filling component The helium gas stored in the storage container 3 is then used to fill the fire extinguisher with at least one fire extinguishing agent stored in the storage container 1, and finally the nitrogen gas stored in the storage container 3 is filled into the fire extinguisher. Due to the pressure error of the fire extinguishing agent caused by the pipeline factor, it has the advantages of improving the filling efficiency, but at the same time, it also has the problems of complex structure, single function, and difficult maintenance and replacement.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a multifunctional fire extinguisher filling device in order to overcome the above-mentioned defects of the prior art, which is used to solve the problems of complex structure, single function and difficult maintenance and replacement of the existing fire extinguisher filling device.

The object of the present invention can be realized through the following technical solutions:

A multifunctional fire extinguisher filling device, comprising

cabinet;

A variety of fire extinguishing agent filling units are arranged in the cabinet and used for filling different types of fire extinguishers;

a filling and metering unit, located in the cabinet, for securing the fire extinguisher during the filling process and measuring the filling amount of the fire extinguisher; and

An overhaul unit, located in the cabinet, is used for air tightness detection, pressure detection, maintenance and drying of the fire extinguisher;

The various fire-extinguishing agent filling units, filling and measuring units and maintenance units are sequentially arranged in the cabinet from top to bottom.

Further, the multiple fire extinguishing agent filling units include dry powder filling components, halogenated alkane filling components, carbon dioxide filling components, foam filling components and a controller that are fixed in the cabinet;

The controller is respectively electrically connected with the dry powder filling component, the halogenated alkane filling component, the carbon dioxide filling component and the foam filling component.

As a preferred technical solution, the cabinet body includes a frame structure and a fixing plate arranged on the frame structure, the frame structure is prepared by welding technology, and the thickness of the fixing plate is 2-4mm.

As a preferred technical solution, the fixing plate as the support structure of the internal equipment has a thickness of 4mm; the fixing plate as the shell protection structure of the cabinet is fixed by bolts for easy maintenance, and the thickness of the fixing plate is 2mm.

As a preferred technical solution, the fixed plate at the rear of the cabinet is in a door-type structure, so as to facilitate daily maintenance and inspection.

As a preferred technical solution, a fixed base is further provided below the cabinet body, and the fixed base is fixed on the floor structure such as the hull deck by welding; the cabinet body is fixed on the fixed base by bolts.

Further, the dry powder filling assembly includes a dry powder returning cylinder, a dry powder filling oil-free air compressor, and a dry powder filling pipe respectively connected with the dry powder returning cylinder and the dry powder filling oil-free air compressor;

Among them, the dry powder return cylinder adopts the method of adding powder to the funnel, and the preferred specifications include a diameter of 500mm, a height of 800mm, and a maximum dry powder capacity of 55kg.

The halogenated alkane filling assembly comprises a halogenated alkane filling booster pump, a halogenated alkane filling vacuum pump, and a halogenated alkane filling pump, which are fixedly arranged in the cabinet, and a halogenated alkane filling pipe respectively communicated with the halogenated alkane filling booster pump and the halogenated alkane filling vacuum pump;

The carbon dioxide filling assembly includes a carbon dioxide filling refrigerator, a carbon dioxide filling motor fixedly arranged in the cabinet, and a carbon dioxide filling pipe connected with the carbon dioxide filling refrigerator and the carbon dioxide filling motor respectively;

The foam filling assembly includes a foam filling suction pump and a foam filling transformer fixed in the cabinet, and a foam filling pipe respectively connected with the foam filling suction pump and the foam filling transformer;

The dry powder filling oil-free air compressor, haloalkane filling booster pump, haloalkane filling vacuum pump, carbon dioxide filling refrigerator, carbon dioxide filling motor, foam filling suction pump and foam filling transformer are respectively electrically connected with the controller.

As a preferred technical solution, the device further includes a plurality of sub-joints adapted to the above-mentioned filling pipes and fire extinguisher models.

Further, the maintenance unit includes a water pressure test box, an air tightness test box and a drying and maintenance workbench respectively arranged in the cabinet.

As a preferred technical solution, the water pressure test box is set on the same side as the drying and maintenance workbench, the test controller and the test water outlet of the water pressure test box are all set on this side, and the water pressure test box The water outlet of the test box is arranged on the adjacent side.

As a preferred technical solution, the dry powder returning drum, dry powder filling oil-free air compressor, haloalkane filling booster pump, haloalkane filling vacuum pump, carbon dioxide filling refrigerator, carbon dioxide filling motor, foam filling suction pump, foam filling transformer , The water pressure test chamber and the air tightness test chamber are fixed on the cabinet by stainless steel hexagon bolts, and are equipped with corresponding springs and gaskets for shock absorption.

As a preferred technical solution, a cable rack is also provided in the cabinet to ensure that the lines are neat and stable.

Further, the drying and maintenance workbench includes a maintenance and drying drawer arranged on one side of the cabinet body, a fire extinguisher fixing mechanism and a fire extinguisher supporting mechanism respectively arranged in the maintenance and drying drawer one above the other, and a fire extinguisher supporting mechanism arranged in the maintenance and drying drawer. Telescopic rod drying mechanism at the bottom of the drawer.

Further, the fire extinguisher fixing mechanism includes a movable part, a fixed part and a movable control assembly;

The movable piece is driven by the movable control assembly and cooperates with the fixed piece for clamping and fixing the fire extinguisher.

Further, the movable member and the fixed member are both concave plate bodies, and the concave openings of the two concave plate bodies are arranged oppositely;

The two side panels of the maintenance and drying drawer are respectively provided with fixed chutes opposite to each other, the movable piece is slidably arranged between the two fixed chutes, and the fixed piece is arranged at one end of the fixed chutes;

The panel of the maintenance and drying drawer is provided with an opening, and an inner thread is arranged in the opening;

The movable control assembly includes a transmission rod, a turntable and a rocker;

The transmission rod is provided with an external thread matched with the internal thread, and one end of the transmission rod is movably connected with the movable piece, and the other end passes through the opening and protrudes;

The turntable is fixed on the extension end of the transmission rod;

The rocker is eccentrically arranged on the turntable.

The transmission rod and the movable member can be movably connected through a universal joint or a bearing. When working, the transmission rod is driven to rotate at the opening by rotating the rocker, and then the movable piece is pushed or pulled out along the threaded structure, so as to complete the fixing or loosening of the fire extinguisher with the fixing piece.

As a preferred technical solution, by adjusting the length and position of the fixed chute, the shape and size of the concave plate and the concave opening, the movable part and the fixed part can be matched and can clamp and fix a fire extinguisher with a diameter of 30mm or less.

Further, the fire extinguisher support mechanism includes at least one fire extinguisher support assembly arranged in the maintenance and drying drawer;

The fire extinguisher support assembly includes a support chute, and a support lever slidably arranged between the two support chute;

The supporting chutes are respectively arranged on the two side panels of the maintenance and drying drawer;

When the fire extinguisher support assembly is working, the support lever can be moved to the bottom of the fixed piece, so as to cooperate with the movable piece and the fixed piece to fix the fire extinguisher.

When the fire extinguisher support mechanism includes multiple fire extinguisher support assemblies, the multiple fire extinguisher support assemblies are arranged in the maintenance and drying drawer along the vertical direction, and the fire extinguisher support assembly at the corresponding height can be selected according to the length of the fire extinguisher during operation.

Further, the telescopic rod drying mechanism includes a heating drive base detachably arranged at the bottom of the maintenance and drying drawer, and a drying rod telescopically arranged on the heating drive base along the vertical direction. The drying rod includes a telescopic outer sleeve, a drying hole opened on the telescopic outer sleeve, and a steam generator arranged in the telescopic outer sleeve.

As a preferred technical solution, the bottom of the heating drive base is provided with mounting holes, the bottom of the maintenance and drying drawer is provided with mounting bosses, and the mounting holes and the mounting bosses are provided with mutually compatible threads structure, and can be detachably connected through the threaded structure.

As a preferred technical solution, the diameter of the heating drive base is 200mm.

As a preferred technical solution, the fire extinguisher support assembly includes two support pulleys that are slidably arranged between the support chutes, and can be respectively installed on both sides of the drying rod during operation to reduce the load of the drying rod and ensure the drying process. stability.

Further, the filling and measuring unit includes a filling and measuring drawer slidably arranged at the bottom of the cabinet, a filling electronic scale set in the filling and measuring drawer, a fixed latch seat set on the filling electronic scale, and Detach the fixing bracket provided on the fixing bolt seat.

The fixed bracket includes a bracket rod detachably arranged on the fixed bolt seat, and a plurality of fixed bent plates arranged on the bracket rod along the vertical direction, and the fixed bent plates are adapted to the fire extinguisher.

The fixed pin seat is used to fix the bottom of the fire extinguisher and is matched with the fixed bracket to ensure the stability of the filling process of the fire extinguisher. The fixed bracket can be stored in the filling and measuring drawer after use.

As a preferred technical solution, the lower edges of the panels of the maintenance and drying drawers and the filling and metering drawers are provided with a plurality of downwardly extending fixing rods, and the lower edges of the fixing rods are sleeved with pull-out fixing seats. The lower edge of the fixed seat is provided with a non-slip surface, and a threaded structure is arranged between the lower edge of the fixing rod and the fixed seat, and the fixed seat can be moved up and down through the threaded structure. When in contact with the ground or a fixed base, the non-slip surface can keep the drawer pulled out stably.

Working principle: This device is mainly used for filling a variety of fire extinguishers. When working, pull out the filling and metering drawer, and fix it by twisting and pulling out the fixing seat, install the fixing bracket, and pass the fixing bolt seat and fixing bracket. Fix the fire extinguisher, install the corresponding sub-joint on the outlet end of the filling pipe, and then install it on the fire extinguisher. Start the corresponding filling component through the controller until the filling electronic scale reaches the specified number, that is, the filling process of the fire extinguisher is completed.

Compared with the prior art, the present invention has the following characteristics:

1) The device is equipped with a variety of fire extinguishing agent filling components, water pressure test chamber, air tightness test chamber and drying and maintenance workbench, which can meet the filling needs and maintenance needs of various fire extinguishers, and has a relatively wide range of applications;

2) The device has a simple structure and is easy to operate. By integrating a variety of fire extinguisher filling and maintenance devices into one, it is convenient for the overall installation, maintenance and replacement.

Description of drawings

Fig. 1, Fig. 9 are the structural representations of a kind of multifunctional fire extinguisher filling device in embodiment 1;

2 is a schematic diagram of the internal structure of a multifunctional fire extinguisher filling device in Embodiment 1;

Fig. 3 is the structural representation of a variety of fire extinguishing agent filling units;

Fig. 4, Fig. 5 are the structural representation of drying maintenance workbench;

Fig. 6 is the structural representation of filling and measuring unit;

Fig. 7, Fig. 8 are the structural schematic diagrams of the fixing rod and the pull-out fixing seat;

Figure 10, Figure 11, Figure 12, Figure 13 are schematic structural diagrams of various fire extinguisher sub-joints;

Figure 14, Figure 15 is a schematic diagram of the structure of a variety of fire extinguisher female connectors;

Description of the marks in the figure:

1-Cabinet, 2-Controller, 3-Dry powder filling assembly, 301-Dry powder return drum, 302-Dry powder filling oil-free air compressor, 303-Dry powder filling pipe, 4-Haloalkane filling assembly, 401-Haloalkane filling booster Pressure pump, 402-haloalkane filling vacuum pump, 403-haloalkane filling tube, 5-carbon dioxide filling assembly, 501-carbon dioxide filling refrigerator, 502-carbon dioxide filling motor, 503-carbon dioxide filling tube, 6-foam filling assembly, 601-foam Filling suction pump, 602-foam filling transformer, 603-foam filling pipe, 7-water pressure test chamber, 701-test chamber water inlet, 702-test chamber water outlet, 8-air tightness test chamber, 9-drying maintenance Workbench, 901- Inspection and drying drawer, 902- Movable parts, 903- Fixed parts, 904- Fixed chute, 905- Transmission rod, 906- Turntable, 907- Rocker, 908- Support chute, 909- Support pulley , 910-heating drive base, 911-drying rod, 10-filling metering drawer, 11-filling electronic scale, 12-fixed pin seat, 13-fixed bracket.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and provides a detailed implementation manner and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

Example:

As shown in Figures 1 and 9, a multifunctional fire extinguisher filling device includes a cabinet 1, a variety of fire extinguishing agent filling units, a maintenance unit, and a filling and metering unit sequentially arranged in the cabinet 1 from top to bottom. Among them, the cabinet 1 includes a frame structure and a fixing plate arranged on the frame structure. The frame structure is prepared by welding technology and serves as a fixing plate for the support structure of the internal equipment such as a variety of fire extinguishing agent filling units, maintenance units, filling and measuring units, etc. , the thickness is 4mm; the fixing plate as the shell protection structure of the cabinet 1 is fixed by bolts for the convenience of maintenance, and the thickness of the fixing plate is 2mm; There is also a fixed base under the cabinet body 1, which is fixed on the floor structure such as the hull deck by welding; the cabinet body 1 is fixed on the fixed base by bolts, and a cable rack is also installed in the cabinet body 1 to ensure the orderliness of each line Stablize.

The various fire extinguishing agent filling units shown in FIG. 3 include a dry powder filling assembly 3, a haloalkane filling assembly 4, a carbon dioxide filling assembly 5, a foam filling assembly 6 and a controller 2, which are fixed in the cabinet 1; wherein, the dry powder filling assembly 3. It includes a dry powder return cylinder 301, a dry powder filling oil-free air compressor 302, and a dry powder filling pipe 303 respectively connected with the dry powder return cylinder 301 and the dry powder filling oil-free air compressor 302, wherein the dry powder return cylinder 301 adopts a funnel For the powder adding method, the preferred specifications include a diameter of 500mm, a height of 800mm, and a maximum dry powder capacity of 55kg, which is installed on the cabinet 1 by bolt fixing or encircling fixing.

The halogenated alkane filling assembly 4 includes the halogenated alkane filling booster pump 401, the halogenated alkane filling vacuum pump 402, and the halogenated alkane filling booster pump 401 and the halogenated alkane filling vacuum pump 402, which are fixedly arranged in the cabinet 1.

The carbon dioxide filling assembly 5 includes a carbon dioxide filling refrigerator 501, a carbon dioxide filling motor 502 fixedly arranged in the cabinet 1, and a carbon dioxide filling pipe 503 communicated with the carbon dioxide filling refrigerator 501 and the carbon dioxide filling motor 502 respectively;

The foam filling assembly 6 includes a foam filling suction pump 601, a foam filling transformer 602 fixed in the cabinet 1, and a foam filling pipe 603 communicated with the foam filling suction pump 601 and the foam filling transformer 602 respectively;

The dry powder filling oil-free air compressor 302, the haloalkane filling booster pump 401, the haloalkane filling vacuum pump 402, the carbon dioxide filling refrigerator 501, the carbon dioxide filling motor 502, the foam filling suction pump 601 and the foam filling transformer 602 are respectively electrically connected to the controller 2 .

The end of the above-mentioned filling pipe is also provided with a sub-joint matching the model of the fire extinguisher as shown in Figure 10, Figure 11, Figure 12 and Figure 13, and the end of the fire extinguisher is also provided with a sub-joint as shown in Figure 14 and Figure 15. Adapter female connector.

As shown in FIG. 2 , the maintenance unit includes a water pressure test box 7 , an air tightness test box 8 and a drying and maintenance workbench 9 , which are respectively provided in the cabinet 1 , wherein the water pressure test box 7 and the drying and maintenance workbench are 9. Set on the same side, the test controller and the test water outlet of the water pressure test box 7 are all set on this side, and the water outlet of the water pressure test box 7 is set on the adjacent side.

In addition, dry powder return drum 301, dry powder filling oil-free air compressor 302, haloalkane filling booster pump 401, haloalkane filling vacuum pump 402, carbon dioxide filling refrigerator 501, carbon dioxide filling motor 502, foam filling suction pump 601, foam filling transformer 602. The water pressure test box 7 and the air tightness test box 8 are fixed on the cabinet body 1 by stainless steel hexagon bolts, and are provided with corresponding springs and gaskets for shock absorption.

As shown in FIG. 4 and FIG. 5 , the drying and maintenance workbench 9 includes an inspection and drying drawer 901 arranged on one side of the cabinet 1, a fire extinguisher fixing mechanism and a fire extinguisher supporting mechanism respectively disposed in the inspection and drying drawer 901 at the top and bottom. , and a telescopic rod drying mechanism located at the bottom of the maintenance and drying drawer 901. The fire extinguisher fixing mechanism includes a movable piece 902, a fixed piece 903 and a movable control assembly; the movable piece 902 is driven by the movable control assembly and cooperates with the fixed piece 903 to clamp and fix the fire extinguisher. The movable piece 902 and the fixed piece 903 are concretely concave plates, and the concave openings of the two concave plates are arranged opposite to each other; the two side plates of the maintenance and drying drawer 901 are respectively provided with fixed chutes 904 opposite to each other. 902 is slidably arranged between two fixed chutes 904, and a fixing piece 903 is arranged at one end of the fixed chutes 904; the panel of the maintenance and drying drawer 901 is provided with an opening, and the opening is provided with an internal thread; the movable control assembly includes The transmission rod 905, the turntable 906 and the rocker 907; the transmission rod 905 is provided with an external thread matching the internal thread, and one end of the transmission rod 905 is movably connected with the movable member 902 through a bearing, and the other end passes through the opening and is connected to the movable member 902. Extend; the turntable 906 is fixed on the extended end of the transmission rod 905; the rocker 907 is eccentrically arranged on the turntable 906.

The fire extinguisher support mechanism includes two fire extinguisher support assemblies arranged in the maintenance and drying drawer 901; the fire extinguisher support assembly includes a support chute 908, and a support puller 909 slidably arranged between the two support chute 908; the support chute 908 is respectively Opposite to the two side panels of the maintenance and drying drawer 901 ; when the fire extinguisher support assembly is working, the support lever 909 can be moved under the fixed piece 903 , so as to cooperate with the movable piece 902 and the fixed piece 903 to fix the fire extinguisher.

The telescopic rod drying mechanism includes a heating drive base 910 with a diameter of 200 mm detachably arranged at the bottom of the maintenance and drying drawer 901, and a drying rod 911 telescopically arranged on the heating drive base 910 along the vertical direction. The bottom of the heating drive base 910 is provided with a mounting hole, the bottom of the maintenance and drying drawer 901 is provided with a mounting boss, and the mounting hole and the mounting boss are provided with a mutually compatible thread structure, and are detachably connected by the thread structure.

As shown in FIG. 6 , the filling and measuring unit includes a filling and measuring drawer 10 slidably disposed at the bottom of the cabinet 1 , a filling electronic scale 11 disposed in the filling and measuring drawer 10 , and a fixed charging electronic scale 11 disposed on the filling and measuring drawer 11 . The plug socket 12 and the fixing bracket 13 detachably arranged on the fixed socket 12 . The fixed bracket 13 includes a bracket rod detachably arranged on the fixed bolt base 12 , and a plurality of fixed bent plates arranged on the bracket rod in a vertical direction, and the fixed bent plates are adapted to the fire extinguisher. The fixed pin seat 12 is used to fix the bottom of the fire extinguisher and cooperates with the fixed bracket 13 to ensure the stability of the filling process of the fire extinguisher. The fixed bracket 13 can be stored in the filling and metering drawer 10 after use.

As shown in FIGS. 7 and 8 , the lower edges of the panels of the inspection and drying drawer 901 and the filling and metering drawer 10 are provided with a plurality of downwardly extending fixing rods, and the lower edges of the fixing rods are sleeved with pull-out fixing seats. The lower edge of the pull-out fixing seat is provided with a non-slip surface, and a threaded structure is arranged between the lower edge of the fixing rod and the pulling-out fixing seat, and the pulling-out fixing seat can move up and down through the threaded structure. When the bases are in contact, the non-slip surface can keep the drawer pulled out stably.

Working principle: This device is mainly used for filling a variety of fire extinguishers. When working, the filling and metering drawer 10 is pulled out, and it is fixed by twisting and pulling out the fixing seat, installing the fixing bracket 13, and fixing the pin seat 12. and the fixing bracket 13 to fix the fire extinguisher, install the corresponding sub-joint on the outlet end of the filling pipe, and then install it on the fire extinguisher, start the corresponding filling component through the controller, until the filling electronic scale 11 reaches the specified number, that is, the filling of the fire extinguisher is completed. process.

The foregoing description of the embodiments is provided to facilitate understanding and use of the invention by those of ordinary skill in the art. It will be apparent to those skilled in the art that various modifications to these embodiments can be readily made, and the generic principles described herein can be applied to other embodiments without inventive step. Therefore, the present invention is not limited to the above-mentioned embodiments, and improvements and modifications made by those skilled in the art according to the disclosure of the present invention without departing from the scope of the present invention should all fall within the protection scope of the present invention.

Claims (10)

1. A multifunctional fire extinguisher filling device, characterized in that the device comprises: Cabinet (1); A variety of fire extinguishing agent filling units are arranged in the cabinet (1) and used for filling different types of fire extinguishers; A filling and metering unit, located in the cabinet (1), is used to fix the fire extinguisher and measure the filling amount of the fire extinguisher during the filling process; and An overhaul unit, arranged in the cabinet (1), is used for air tightness detection, pressure detection, maintenance and drying of the fire extinguisher; The various fire-extinguishing agent filling units, filling and measuring units and maintenance units are sequentially arranged in the cabinet (1) from top to bottom. 2. A multifunctional fire extinguisher filling device according to claim 1, characterized in that, the multiple fire extinguishing agent filling units comprise a dry powder filling assembly (3) fixed in the cabinet (1), a haloalkane filling an assembly (4), a carbon dioxide filling assembly (5), a foam filling assembly (6) and a controller (2); The controller (2) is respectively electrically connected with the dry powder filling assembly (3), the halogenated alkane filling assembly (4), the carbon dioxide filling assembly (5), and the foam filling assembly (6). 3. A multifunctional fire extinguisher filling device according to claim 2, characterized in that: The dry powder filling assembly (3) comprises a dry powder returning cylinder (301), a dry powder filling oil-free air compressor (302), and a dry powder returning cylinder (301) and a dry powder filling oil-free air compressor (302) respectively. Connected dry powder filling pipes (303); The haloalkane filling assembly (4) comprises a haloalkane filling booster pump (401), a haloalkane filling vacuum pump (402), and a haloalkane filling booster pump (401), a haloalkane filling booster pump (401), a haloalkane filling The halogenated alkane filling pipe (403) communicated with the vacuum pump (402); The carbon dioxide filling assembly (5) includes a carbon dioxide filling refrigerator (501), a carbon dioxide filling motor (502) fixedly arranged in the cabinet (1), and a carbon dioxide filling refrigerator (501), a carbon dioxide filling machine (502), and a carbon dioxide filling refrigerator (501), respectively. a carbon dioxide filling pipe (503) connected to the motor (502); The foam filling assembly (6) comprises a foam filling suction pump (601), a foam filling transformer (602), and a foam filling suction pump (601) and a foam filling transformer (601), which are fixedly arranged in the cabinet (1). 602) connected foam filling pipes (603); Described dry powder filling oil-free air compressor (302), haloalkane filling booster pump (401), haloalkane filling vacuum pump (402), carbon dioxide filling refrigerator (501), carbon dioxide filling motor (502), foam filling suction pump (601) and the foam-filled transformer (602) are respectively electrically connected to the controller (2). 4. A multifunctional fire extinguisher filling device according to claim 1, characterized in that the maintenance unit comprises a water pressure test box (7) and an air tightness test box respectively provided in the cabinet (1) (8) and drying and maintenance workbench (9). 5 . The multifunctional fire extinguisher filling device according to claim 4 , wherein the drying and maintenance workbench ( 9 ) comprises a maintenance and drying drawer ( 901 ) arranged on one side of the cabinet body ( 1 ). 6 . , The fire extinguisher fixing mechanism and the fire extinguisher support mechanism are respectively arranged in the maintenance and drying drawer (901), and the telescopic rod drying mechanism is arranged at the bottom of the maintenance and drying drawer (901). 6. The multifunctional fire extinguisher filling device according to claim 5, wherein the fire extinguisher fixing mechanism comprises a movable part (902), a fixed part (903) and a movable control assembly; The movable piece (902) is driven by the movable control assembly and cooperates with the fixing piece (903) for clamping and fixing the fire extinguisher. 7 . The multifunctional fire extinguisher filling device according to claim 6 , wherein the movable member (902) and the fixing member (903) are both concave plate bodies, and the two concave plate bodies have The concave openings are arranged oppositely; The two side panels of the maintenance and drying drawer (901) are respectively provided with fixed chutes (904) opposite to each other, and the movable piece (902) is slidably arranged between the two fixed chutes (904), so The fixing member (903) is arranged at one end of the fixing chute (904); An opening is provided on the panel of the maintenance and drying drawer (901), and an internal thread is arranged in the opening; The movable control assembly includes a transmission rod (905), a turntable (906) and a rocker (907); The transmission rod (905) is provided with an external thread matching the internal thread, and one end of the transmission rod (905) is movably connected with the movable piece (902), and the other end passes through the opening. hole and protrude; The turntable (906) is fixedly arranged on the extending end of the transmission rod (905); The rocker (907) is eccentrically arranged on the turntable (906). 8. The multifunctional fire extinguisher filling device according to claim 5, wherein the fire extinguisher support mechanism comprises at least one fire extinguisher support assembly arranged in the maintenance and drying drawer (901); The fire extinguisher support assembly includes a support chute (908), and a support plate (909) slidably arranged between the two support chute (908); The support chutes (908) are respectively arranged on the two side panels of the maintenance and drying drawer (901); When the fire extinguisher support mechanism includes a plurality of fire extinguisher support assemblies, the plurality of fire extinguisher support assemblies are arranged in the maintenance and drying drawer (901) along the vertical direction. 9 . The multifunctional fire extinguisher filling device according to claim 5 , wherein the telescopic rod drying mechanism comprises a heating drive base ( 910 ) detachably arranged at the bottom of the maintenance and drying drawer ( 901 ), 9 . and a drying rod (911) telescopically arranged on the heating drive base (910) along the vertical direction. 10. The multifunctional fire extinguisher filling device according to claim 1, wherein the filling and measuring unit comprises a filling and measuring drawer (10) slidably arranged at the bottom of the cabinet (1), A charging electronic scale (11) in the measuring drawer (10), a fixed pin seat (12) provided on the charging electronic scale (11), and a detachable fixing bracket (12) provided on the fixed pin seat (12) 13).

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