A fire monitor

Abstract

The present invention discloses a fire monitor, comprising a first barrel, a feed cylinder, a gas delivery mechanism, and a gun head. The first barrel is internally provided with a feed cylinder, the output end of the feed cylinder being connected to the gun head. The gas delivery mechanism is provided on the feed cylinder for inputting external gas into the feed cylinder. The gas delivery mechanism comprises a propulsion structure and a cylinder structure, wherein the cylinder structure comprises a cylinder body, a piston, a push rod, an air inlet pipe, and an air outlet pipe. The advantages of the present invention are that external gas is input into the feed cylinder via the gas delivery mechanism, so that the foam water solution is fully refined and foamed, greatly enhancing its ability to penetrate into and adhere to the surface of the burning material. Furthermore, the fire monitor can realize the delivery of water, foam, and compressed air foam, achieving a three-in-one effect.

Description

Technical Field

[0001] The present invention relates to the technical field of fire monitors, in particular to a fire monitor. Background Art

[0002] Fire safety is related to all aspects of production and life, and has two meanings: internal disaster prevention and external disaster elimination. In the daily life and production process, it is necessary to equip reasonable fire-fighting mechanisms and equipment to prevent disasters from occurring at the source or block the continued development of disasters. Take fire as an example. When the disaster is about to reach or has reached an uncontrollable level, firefighters are needed to go out and extinguish the fire. Fire cannons, as a large-flow fire-fighting equipment, are often equipped on fire trucks and fire-fighting robots. For example, the Chinese invention patent with publication number CN112535827A discloses a simple mobile fire cannon for firefighting.

[0003] Depending on the fire scenario, a fire monitor capable of delivering the appropriate medium is required. Common fire extinguishing media include water, foam, and compressed air foam. The fully automatic compressed air foam fire extinguishing system (CAFS) is a commonly used fire extinguishing system. The CAFS system mixes water at normal pressure with a foam concentrate in a specific ratio. This mixture is then pre-mixed with compressed air in a specific ratio in a pipe or hose before being sprayed through a spray device. The pressure, flow rate, and mixing ratio of the water, air, and foam are controlled by a control and regulation system to achieve the optimal combination of the three. However, in practical applications, existing fire monitors can only deliver one of these media and cannot switch in real time based on fire conditions and the status of the fire extinguishing medium supply equipment. Therefore, a three-in-one fire monitor capable of delivering water, foam, and compressed air foam is urgently needed. Summary of the Invention

[0004] The technical problem to be solved by the present invention is a three-in-one fire monitor capable of delivering water, foam and compressed air foam.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A fire monitor comprises a first barrel, a material delivery cylinder, a gas delivery mechanism and a gun head, wherein the material delivery cylinder is provided inside the first barrel, the output end of the material delivery cylinder is connected to the gun head, and the gas delivery mechanism is provided on the material delivery cylinder for inputting external gas into the material delivery cylinder;

[0007] The gas delivery mechanism includes a pushing structure and a cylinder structure. One end of the pushing structure is arranged inside the delivery barrel, and the other end is arranged outside the delivery barrel. Multiple groups of cylinder structures are arranged outside the delivery barrel. The pushing structure arranged outside the delivery barrel is connected to the pushing end of the cylinder structure.

[0008] The cylinder structure includes a cylinder body, a piston, a push rod, an air inlet pipe and an air outlet pipe. The cylinder body is arranged outside the feed barrel, and a piston is provided inside the cylinder body. One end of the push rod passes through the cylinder body and is connected to the piston. The air inlet pipe and the air outlet pipe are both arranged on the cylinder body. The end of the air outlet pipe away from the cylinder body extends into the feed barrel. The pushing structure arranged outside the feed barrel is connected to the push rod to push the piston to reciprocate in the cylinder body.

[0009] External gas is input into the feed barrel through the gas transmission mechanism, so that the foam water solution is fully refined and foamed, greatly enhancing its ability to penetrate into the interior of the burning material and adhere to the surface of the burning material; and the fire monitor can realize the transmission of water, foam and compressed air foam, achieving a three-in-one effect.

[0010] Preferably, a push plate is also fixed on the push rod arranged outside the cylinder body, and a first spring is sleeved on the push rod between the push plate and the cylinder body.

[0011] Preferably, the pushing structure includes a cam and a rotating module, the outer edge surface of the cam is in sliding contact with the push plate, and the rotating module is used to drive the cam to rotate.

[0012] Preferably, the rotation module includes a positioning shaft, a runner, blades, a rotating shaft, a gear ring, a gear, a connecting rod and a connecting frame. A positioning shaft is provided at the axis of the feed barrel, and one end of the positioning shaft is fixed to the feed barrel away from the gun head, and a rotatable runner is provided on the other end. A plurality of blades are fixedly arranged on the runner in a circumferential array. The rotating shaft is arranged along the axis of the feed barrel, and one end of the rotating shaft is connected to the center of the runner and can rotate with the runner. The gear ring is connected to the rotating shaft through a connecting frame. The connecting rod is rotatably arranged on the feed barrel, one end of the connecting rod is connected to the gear meshing with the gear ring, and the other end is connected to a cam. One end of the connecting frame is connected to the connecting rod, and the other end is sleeved on the rotating shaft.

[0013] Preferably, the feed cylinder includes a first feed cylinder and a second feed cylinder, the first feed cylinder and the second feed cylinder are disconnected, and sealing rings are provided at both ends, the sealing rings are sealed and connected to the inner wall of the first barrel, the connecting rod is rotatably set on the sealing ring, and the gear ring and gear are set in the space where the first feed cylinder and the second feed cylinder are disconnected.

[0014] Preferably, the rotating shaft includes a positioning cylinder and a support shaft, the positioning cylinder is connected to the center of the rotating wheel and can rotate with the rotating wheel, the support shaft can be movably clamped in the positioning cylinder and rotate with the positioning cylinder, and the gear ring is connected to the support shaft and rotates with the support shaft.

[0015] Preferably, the inner wall of the positioning cylinder is provided with a plurality of first slots in a circumferential array, and a first socket is fixedly provided on the support shaft and is slidably engaged with the first slots.

[0016] Preferably, the end of the support shaft away from the positioning cylinder is connected to the adjusting rod through a tapered shaft, and a positioning frame is also provided on the feed cylinder, one end of the positioning frame extends into the feed cylinder to support the adjusting rod, so that the adjusting rod can rotate and slide horizontally on the positioning frame, and a baffle is provided at the end of the adjusting rod away from the tapered shaft, and a second spring is sleeved on the adjusting rod between the positioning frame and the baffle, and the other end of the positioning frame is arranged outside the feed cylinder and vertically connected to the first screw, a vertical motor is provided on the first gun barrel, and the output end of the vertical motor passes through the first gun barrel and is connected to the first screw, a first nut is threadedly connected to the first screw, and a guide rod is connected to the first nut, and the end of the guide rod away from the first nut passes through the feed cylinder and is provided with a guide wheel that fits the tapered shaft.

[0017] Preferably, the connecting rod includes a limit rod and a cylinder, the limit rod is rotatably arranged on the feed cylinder, one end is connected to the gear, and the other end is sleeved in the cylinder, and a plurality of groups of second slots are provided on the inner wall of the cylinder in a circumferential array, and a second clamping seat is fixedly provided on the limit rod and slidably engaged with the second slot, the cylinder is rotatably connected to the mounting plate fixedly arranged on the outer side wall of the second feed cylinder, and the end of the cylinder away from the limit rod is connected to the cam.

[0018] Preferably, it also includes a curved gun barrel, a second gun barrel, a first drive assembly and a second drive assembly, the end of the first gun barrel away from the gun head is also connected to the second gun barrel through the curved gun barrel, the curved gun barrel and the second gun barrel are connected to the inner cavity of the feed barrel, the end of the curved gun barrel away from the second gun barrel is also provided with a first drive assembly that can drive the first gun barrel to rotate vertically, and the second gun barrel is provided with a second drive assembly that can drive the curved gun barrel to rotate horizontally.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The external gas is input into the feeding cylinder through the gas transmission mechanism, so that the foam water solution is fully refined and foamed, which greatly enhances its ability to penetrate into the interior of the burning material and adhere to the surface of the burning material; and the fire monitor can realize the transmission of water, foam and compressed air foam, achieving a three-in-one effect.

[0021] 2. The first drive assembly drives the first gun barrel to rotate in the vertical direction, and the second drive assembly drives the curved gun barrel to rotate in the horizontal direction, thereby expanding the spray range of the gun head. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the structure of an embodiment of the present invention;

[0023] Figure 2 This is another state structure schematic diagram of an embodiment of the present invention;

[0024] Figure 3 This is a schematic structural diagram of a material delivery cylinder and a gas delivery mechanism according to an embodiment of the present invention;

[0025] Figure 4 A partial cross-sectional view of a material delivery cylinder and a gas delivery mechanism according to an embodiment of the present invention;

[0026] Figure 5 is a cross-sectional view of a rotating shaft according to an embodiment of the present invention;

[0027] Figure 6 A schematic diagram of a partial structure of a cylinder structure according to an embodiment of the present invention;

[0028] Figure 7 Schematic diagram of the structure of the gun head according to an embodiment of the present invention. DETAILED DESCRIPTION

[0029] To facilitate those skilled in the art to understand the technical solution of the present invention, the technical solution of the present invention is further described with reference to the accompanying drawings.

[0030] In this application, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0031] In this application, unless otherwise expressly specified or limited, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly indicate the number of the technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "plurality" means two or more, unless otherwise expressly specified or limited.

[0032] See Figures 1 to 4 This embodiment discloses a fire monitor, including a first gun barrel 1, a gun head 2, a feed cylinder 3, an air delivery mechanism 4, a curved gun barrel 5, a second gun barrel 6, a first drive assembly 7, and a second drive assembly 8.

[0033] A feed cylinder 3 is provided inside the first gun barrel 1, and the output end of the feed cylinder 3 is connected to the gun head 2. The gas supply mechanism 4 is provided on the feed cylinder 3 for inputting external gas into the feed cylinder 3. The end of the first gun barrel 1 away from the gun head 2 is also connected to the second gun barrel 6 through a curved gun barrel 5, wherein the two ends of the curved gun barrel 5 are rotatably connected to the first gun barrel 1 and the second gun barrel 6 respectively, and the second gun barrel 6 is used to connect the fire extinguishing medium delivery mechanism, wherein the fire extinguishing medium delivery mechanism includes a delivery pump and a storage box for storing the fire extinguishing medium. The storage box is provided with two groups, one group for storing foam and the other group for storing water. The delivery pump is connected to the two groups of storage boxes respectively through two groups of pipes, and a valve is provided between the pipes so that the delivery pump can deliver water or foam or a mixture of the two.

[0034] The gas delivery mechanism 4 is used to input external gas into the delivery barrel 3 to mix with water and foam to form compressed air foam; it can be explained that when the firefighters deliver compressed air foam for extinguishing, they first deliver water and foam toward the gun head 2 through the delivery pump, and then input external gas into the delivery barrel 3 through the gas delivery mechanism 4, so that the foam water solution is fully refined and foamed, greatly enhancing its ability to penetrate into the interior of the burning object and adhere to the surface of the burning object; and the fire cannon can realize the delivery of water, foam and compressed air foam, achieving a three-in-one effect.

[0035] The curved gun barrel 5 and the second gun barrel 6 are connected to the inner cavity of the feed cylinder 3. The end of the curved gun barrel 5 away from the second gun barrel 6 is also provided with a first drive component 7 that can drive the first gun barrel 1 to rotate vertically. The second gun barrel 6 is provided with a second drive component 8 that can drive the curved gun barrel 5 to rotate horizontally. The first drive component 7 drives the first gun barrel 1 to rotate in the vertical direction, and the second drive component 8 drives the curved gun barrel 5 to rotate in the horizontal direction, thereby expanding the spraying range of the gun head 2. It should be noted that the first drive component 7 and the second drive component 8 are motor drive mechanisms, which can be purchased on the market.

[0036] In this embodiment, the first drive assembly 7 includes a first motor and a first sleeve arranged between the first gun barrel 1 and the curved gun barrel 5, one end of the first sleeve is fixed to the first gun barrel 1, and the other end is rotatably connected to the curved gun barrel 5. An annular turbine is also rotatably arranged in the first sleeve, one end of the annular turbine is rotatably connected to the curved gun barrel 5, and the other end is fixed to the first gun barrel 1. The first drive assembly 7 also includes a first limiting cylinder fixedly arranged on one side of the first sleeve, the first limiting cylinder is communicated with the first sleeve, and a worm engaged with the annular turbine is rotatably arranged in the first limiting cylinder, and the worm is fixed to the driving end of the first motor; specifically, when the first motor is started to drive the worm to rotate, the worm can synchronously drive the first gun barrel 1 to rotate in the vertical direction by engaging with the annular turbine to perform a preliminary adjustment on the angle of the gun head 2.

[0037] In addition, the second drive assembly 8 includes a second motor and a second sleeve arranged between the curved gun barrel 5 and the second gun barrel 6, one end of the second sleeve is fixed to the curved gun barrel 5, and the other end is rotatably connected to the second gun barrel 6. An annular turbine is also rotatably arranged in the second sleeve, one end of the annular turbine is rotatably connected to the second gun barrel 6, and the other end is fixed to the curved gun barrel 5. The second drive assembly 8 also includes a second limiting cylinder fixedly arranged on one side of the second sleeve, the second limiting cylinder is communicated with the second sleeve, and a worm engaged with the annular turbine is rotatably arranged in the second limiting cylinder, and the worm is fixed to the driving end of the second motor; specifically, when the second motor is started to drive the worm to rotate, the worm can synchronously drive the curved gun barrel 5 to rotate in the horizontal direction by engaging with the annular turbine, so as to readjust the angle of the gun head 2 and further expand the spraying range of the gun head 2.

[0038] See Figure 3 and Figure 4 The feeding cylinder 3 includes a first feeding cylinder 31 and a second feeding cylinder 32. The first feeding cylinder 31 and the second feeding cylinder 32 are disconnected and both ends are provided with a sealing ring 301. The sealing ring 301 is sealed and connected to the inner wall of the first barrel 1.

[0039] The air delivery mechanism 4 includes a pushing structure 41 and a cylinder structure 42. One end of the pushing structure 41 is arranged inside the delivery barrel 3, and the other end is arranged outside the delivery barrel 3. Multiple groups of cylinder structures 42 are arranged outside the delivery barrel 3. In this embodiment, three groups of cylinder structures 42 are arranged; the pushing structure 41 arranged outside the delivery barrel 3 is connected to the pushing end of the cylinder structure 42.

[0040] The pushing structure 41 includes a cam 411 and a rotating module, and the rotating module includes a positioning shaft 412, a rotating wheel 413, blades 414, a rotating shaft 415, a gear ring 416, a gear 417, a connecting rod 418 and a connecting frame 419. A positioning shaft 412 is provided at the axis center of the first feeding cylinder 31. One end of the positioning shaft 412 away from the gun head 2 is fixed to the first feeding cylinder 31, and a rotating wheel 413 is provided on the other end. A plurality of blades are fixedly arranged in a circumferential array on the rotating wheel 413. The plate 414, the rotating shaft 415 is arranged along the axis of the second feeding barrel 32, one end of the rotating shaft 415 is connected to the center of the runner 413 and can rotate with the runner 413, the rotating shaft 415 is connected to the gear ring 416 through a connecting frame, and the connecting rod 418 is rotatably arranged on the sealing ring 301, one end of the connecting rod 418 is connected to the gear 417 meshing with the gear ring 416, and the other end is connected to the cam 411, and the cam 411 is fitted on the pushing end of the cylinder structure 42.

[0041] One end of the connecting frame 419 is connected to the connecting rod 418, and the other end is sleeved on the rotating shaft 415. Figure 5The rotating shaft 415 includes a positioning cylinder 4151 and a support shaft 4152. The positioning cylinder 4151 is connected to the center of the rotating wheel 413 and can rotate with the rotating wheel 413. The support shaft 4152 is movably clamped in the positioning cylinder 4152 and rotates with the positioning cylinder 4152. The gear ring 416 is connected to the support shaft 4152 and rotates with the support shaft 4152. The connecting frame 419 is sleeved on the support shaft 4152, so that the support shaft 4152 can rotate idly on the connecting frame 419 and the connecting frame 419 can move linearly with the support shaft 4152. For details, see Figure 5 The inner wall of the positioning cylinder 4151 is provided with a plurality of first card grooves 41511 in a circumferential array, and the support shaft 4152 is fixed with a first card seat 41521 which is slidably engaged with the first card groove 41511, which not only enables the support shaft 4152 to slide in the positioning cylinder 4151 but also ensures that the support shaft 4152 can rotate with the positioning cylinder 4151.

[0042] The end of the support shaft 4152 away from the positioning cylinder 4151 is connected to the adjusting rod 4154 through the tapered shaft 4153. A positioning frame 9 is also provided on the second feeding cylinder 32. One end of the positioning frame 9 extends into the second feeding cylinder 32 to support the adjusting rod 4154, so that the adjusting rod 4154 can rotate and slide horizontally on the positioning frame 9. A baffle 4155 is provided on the end of the adjusting rod 4154 away from the tapered shaft 4153. A second spring 4156 is sleeved on the adjusting rod 4154 between the positioning frame 9 and the baffle 4155. The second spring 4156 is always in a compressed state. The other end of the positioning frame 9 is arranged outside the second feed barrel 32 and is vertically connected to the first screw 10. The first gun barrel 1 is provided with a vertical motor 11. The output end of the vertical motor 11 passes through the first gun barrel 1 and is connected to the first screw 10. The first screw 10 is threadedly connected with a first nut 12, and the first nut 12 is connected to a guide rod 13. The end of the guide rod 13 away from the first nut 12 passes through the second feed barrel 32 and is provided with a guide wheel 14 that fits with the tapered shaft 4153. Specifically, when it is necessary to introduce compressed air foam medium, the first screw 10 is driven to rotate by the vertical motor 11, so that the first nut 12 moves upward on the first screw 10, and the guide rod 13 drives the guide wheel 14 to press the tapered shaft 4153, thereby causing the tapered shaft 4153 to move toward the positioning cylinder 4151, and then the support shaft 4152 is inserted into the positioning cylinder 4151, ensuring that the support shaft 4152 can rotate with the positioning cylinder 4151, and a gear ring 416 is provided on the support shaft 4152, so that the gear ring 416 rotates to drive the gear 417 to rotate, and since the support shaft 4152 can idly rotate on the connecting frame 419, the connecting frame 419 does not rotate with the support shaft 4152, thereby 7 rotates, driving the connecting rod 418 to rotate, which in turn drives the cam 411 to rotate. The fire extinguishing medium delivery mechanism then delivers both water and foam. As the water and foam pass through the blades 414, they synchronously drive the runner 413 to rotate. The runner 413 drives the support shaft 4152 via the positioning cylinder 4151. The rotation of the support shaft 4152 drives the gear ring 416 to rotate, which in turn drives the gear 417. The gear 417 drives the cam 414 via the connecting rod 418, ultimately pushing the cylinder structure 42 to feed the external gas into the delivery barrel 3. This fully refines and froths the foam-water solution, greatly enhancing its ability to penetrate into and adhere to the surface of the burning material. This embodiment converts the kinetic energy of the fire extinguishing medium into mechanical energy to drive the runner 413 during the delivery of the fire extinguishing medium, eliminating the need for other servo drive devices to drive the runner 413.

[0043] When there is no need to introduce compressed air foam medium, the first screw 10 is driven to rotate by the vertical motor 11, so that the first nut 12 moves downward on the first screw 10, and the guide rod 13 drives the guide wheel 14 away from the tapered shaft 4153. Since the second spring 4156 is always in a compressed state, the second spring 4156 drives the adjusting rod 4154 to move away from the positioning cylinder 4151, so that the support shaft 4152 is disengaged from the positioning cylinder 4151, so that the support shaft 4152 does not rotate with the positioning cylinder 4151, and thus will not drive the gear 417 to rotate, and will not push the cylinder structure 42 to input external gas into the feeding barrel 3.

[0044] The connecting rod 418 includes a limiting rod 4181 and a barrel 4182. The limiting rod 4181 is rotatably mounted on the sealing ring 301 on the first and second feeding barrels 31 and 32. One end of the limiting rod 4181 is connected to the gear 417, and the other end is sleeved within the barrel 4182. The end of the barrel 4182 away from the limiting rod 4181 is connected to the cam 411. The inner wall of the barrel 4182 is provided with a plurality of second slots arranged in a circumferential array. The limiting rod 4181 is fixedly provided with a second retainer that slidably engages with the second slots. The barrel 4182 is rotatably connected to a mounting plate fixedly mounted on the outer wall of the second feeding barrel 32, so that the barrel 4182 can rotate with the limiting rod 4181 but does not move with it.

[0045] See Figure 3 and Figure 6 The cylinder structure 42 includes a cylinder body 421, a piston 422, a push rod 423, an air inlet pipe 424, an air outlet pipe 425, a push plate 426 and a first spring 427. The cylinder body 421 is arranged outside the second feeding barrel 32, and a piston 422 is provided inside the cylinder body 421. One end of the push rod 423 passes through the cylinder body 421 and is connected to the piston 422. The air inlet pipe 424 and the air outlet pipe 425 are both provided on the cylinder body 421. The end of the air outlet pipe 425 away from the cylinder body 421 extends into the second feeding barrel 32. A push plate 426 is also fixed on the push rod 423 arranged outside the cylinder body 421. A first spring is sleeved on the push rod 423 between the push plate 426 and the cylinder body. 427, a one-way valve for air intake is provided on the air inlet pipe 424, and a one-way valve for air outlet is provided on the air outlet pipe 425; specifically, when the cam 411 rotates, it will drive the push rod 423 to move into the cylinder body 421, and then drive the piston 422 to reciprocate in the cylinder body 421, and input the air in the cylinder body 421 into the second feeding barrel 32 through the air outlet pipe 425, so that the foam water solution is fully refined and foamed to form compressed air foam, which greatly enhances its ability to penetrate into the interior of the combustion object and adhere to the surface of the combustion object; and under the action of the first spring 427, the push rod 423 can rebound, driving the piston 422 to rebound, and is used to absorb external air into the cylinder body 421.

[0046] For further information, see Figure 7 , an inclined groove 201 is provided on the inner side of the open end of the gun head 2, and a sealing cylinder 202 is provided on the outer side of the open end, and a discharge gap 203 for discharging is formed between the end of the sealing cylinder 202 and the inclined groove 201, wherein a second screw 204 is also rotatably arranged in the gun head 2, and a second nut 205 is spirally sleeved on the second screw 204, and the second nut 205 is fixed to the sealing cylinder 202 through an L-shaped bracket 206, wherein a horizontal motor is also fixedly arranged on the outside of the first gun barrel 1, and the driving end of the horizontal motor is connected to the second screw 204 through a transmission belt; it can be explained that when adjusting the size of the discharge gap 203, the horizontal motor is started, and the horizontal motor drives the second screw 204 to rotate through the transmission belt. During the movement of the second nut 205 on the second screw 204, the sealing cylinder 202 is pushed to move in the axial direction through the L-shaped bracket 203, thereby adjusting the size of the discharge gap 203 to synchronously adjust the discharge amount of the fire extinguishing medium.

[0047] The working principle of this embodiment is: when the required fire extinguishing medium is water or foam, the vertical motor 11 drives the first screw 10 to rotate, so that the first nut 12 moves downward on the first screw 10, and the guide rod 13 drives the guide wheel 14 away from the tapered shaft 4153. Since the second spring 4156 is always in a compressed state, the second spring 4156 drives the adjusting rod 4154 to move away from the positioning cylinder 4151, so that the support shaft 4152 is disengaged from the positioning cylinder 4151, so that the support shaft 4152 does not rotate with the positioning cylinder 4151, and thus will not drive the gear 417 to rotate, and will not push the cylinder structure 42 to input external gas into the feeding cylinder 3, and then directly transport the medium through the fire extinguishing medium conveying mechanism.

[0048] When it is necessary to introduce compressed air foam medium, the first screw 10 is driven to rotate by the vertical motor 11, so that the first nut 12 moves upward on the first screw 10, and the guide rod 13 drives the guide wheel 14 to press the conical shaft 4153, thereby making the conical shaft 4153 move toward the positioning cylinder 4151, and then the support shaft 4152 is inserted into the positioning cylinder 4151, ensuring that the support shaft 4152 can rotate with the positioning cylinder 4151, and a gear ring 416 is provided on the support shaft 4152, so that the gear ring 416 rotates to drive the gear 417 to rotate. Since the support shaft 4152 can idle on the connecting frame 419, the connecting frame 419 does not rotate with the support shaft 4152, so that the connecting rod 418 is driven to rotate through the rotation of the gear 417, and then the cam 411 can be driven to rotate. ; Then, water and foam are transported through the fire extinguishing medium conveying mechanism. In the process of passing through the blades 414, the water and foam media synchronously drive the runner 413 to rotate. The runner 413 drives the support shaft 4152 to rotate through the positioning cylinder 4151. The rotation of the support shaft 4152 drives the gear ring 416 to rotate, and then drives the gear 417. The gear 417 can drive the cam 414 to rotate through the connecting rod 418, and finally push the cylinder structure 42 to input external gas into the feeding barrel 3, so that the foam water solution is fully refined and foamed, greatly enhancing its ability to penetrate into the interior of the burning material and adhere to the surface of the burning material; and under the action of the first spring 427, the push rod 423 can rebound, driving the piston 422 to rebound, which is used to absorb external air into the cylinder body 421.

[0049] And when outputting the medium, the horizontal motor drives the second screw 204 to rotate through the transmission belt. During the movement of the second nut 205 on the second screw 204, the sealing cylinder 202 is pushed to move in the axial direction through the L-shaped bracket 203. The size of the discharge gap 203 can be adjusted to synchronously adjust the discharge amount of the fire extinguishing medium.

[0050] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description. It is intended that all variations within the meaning and range of equivalents of the claims be embraced herein, and any reference signs in the claims should not be construed as limiting the claims to which they relate.

[0051] The above-mentioned embodiments merely represent the implementation methods of the invention. The protection scope of the present invention is not limited to the above-mentioned embodiments. For those skilled in the art, several variations and improvements can be made without departing from the concept of the present invention, which all fall within the protection scope of the present invention.

Claims

1. A fire monitor, characterized in that: It includes a first gun barrel, a material delivery cylinder, a gas delivery mechanism and a gun head. The first gun barrel is provided with a material delivery cylinder, the output end of the material delivery cylinder is connected to the gun head, and the gas delivery mechanism is provided on the material delivery cylinder for inputting external gas into the material delivery cylinder; The gas delivery mechanism includes a pushing structure and a cylinder structure. One end of the pushing structure is arranged inside the delivery barrel, and the other end is arranged outside the delivery barrel. Multiple groups of cylinder structures are arranged outside the delivery barrel. The pushing structure arranged outside the delivery barrel is connected to the pushing end of the cylinder structure. The cylinder structure includes a cylinder body, a piston, a push rod, an air inlet pipe and an air outlet pipe. The cylinder body is arranged outside the feed barrel, and a piston is provided inside the cylinder body. One end of the push rod passes through the cylinder body and is connected to the piston. The air inlet pipe and the air outlet pipe are both arranged on the cylinder body. The end of the air outlet pipe away from the cylinder body extends into the feed barrel. The pushing structure arranged outside the feed barrel is connected to the push rod to push the piston to reciprocate in the cylinder body.

2. A fire monitor according to claim 1, characterized in that: A push plate is also fixed on the push rod arranged outside the cylinder body, and a first spring is sleeved on the push rod between the push plate and the cylinder body.

3. A fire monitor according to claim 2, characterized in that: The pushing structure includes a cam and a rotating module. The outer edge surface of the cam is in sliding contact with the push plate, and the rotating module is used to drive the cam to rotate.

4. A fire monitor according to claim 3, characterized in that: The rotation module includes a positioning shaft, a runner, blades, a rotating shaft, a gear ring, a gear, a connecting rod and a connecting frame. A positioning shaft is provided at the axis of the feed barrel, and one end of the positioning shaft is fixed to the feed barrel away from the gun head, and a rotatable runner is provided on the other end. A plurality of blades are fixedly arranged on the runner in a circumferential array. The rotating shaft is arranged along the axis of the feed barrel, and one end of the rotating shaft is connected to the center of the runner and can rotate with the runner. The gear ring is connected to the rotating shaft through a connecting frame, and the connecting rod is rotatably arranged on the feed barrel. One end of the connecting rod is connected to the gear meshing with the gear ring, and the other end is connected to the cam. One end of the connecting frame is connected to the connecting rod, and the other end is sleeved on the rotating shaft.

5. A fire monitor according to claim 4, characterized in that: The feed cylinder includes a first feed cylinder and a second feed cylinder. The first feed cylinder and the second feed cylinder are disconnected, and sealing rings are provided at both ends. The sealing rings are sealed and connected to the inner wall of the first barrel. The connecting rod is rotatably set on the sealing ring, and the gear ring and the gear are set in the space where the first feed cylinder and the second feed cylinder are disconnected.

6. A fire monitor according to claim 5, characterized in that: The rotating shaft includes a positioning cylinder and a support shaft. The positioning cylinder is connected to the center of the rotating wheel and can rotate with the rotating wheel. The support shaft can be movably clamped in the positioning cylinder and rotate with the positioning cylinder. The gear ring is connected to the support shaft and rotates with the support shaft.

7. A fire monitor according to claim 6, characterized in that: The inner wall of the positioning cylinder is provided with a plurality of first clamping grooves in a circumferential array, and a first clamping seat which is slidably engaged with the first clamping grooves is fixedly arranged on the support shaft.

8. A fire monitor according to claim 7, characterized in that: The end of the support shaft away from the positioning cylinder is connected to the adjusting rod through a tapered shaft, and the feed cylinder is also provided with a positioning frame, and one end of the positioning frame extends into the feed cylinder to support the adjusting rod, so that the adjusting rod can rotate and slide horizontally on the positioning frame, and a baffle is provided at the end of the adjusting rod away from the tapered shaft, and a second spring is sleeved on the adjusting rod between the positioning frame and the baffle, and the other end of the positioning frame is arranged outside the feed cylinder and vertically connected to the first screw, a vertical motor is provided on the first gun barrel, and the output end of the vertical motor passes through the first gun barrel and is connected to the first screw, and the first screw is threadedly connected to the first nut, and the first nut is connected to a guide rod, and the end of the guide rod away from the first nut passes through the feed cylinder and is provided with a guide wheel that fits the tapered shaft.

9. A fire monitor according to claim 8, characterized in that: The connecting rod includes a limit rod and a cylinder. The limit rod is rotatably arranged on the feed cylinder, one end of which is connected to the gear, and the other end is sleeved in the cylinder. The inner wall of the cylinder is provided with a plurality of groups of second slots in a circumferential array. The limit rod is fixed with a second card seat which is slidably engaged with the second card slot. The cylinder is rotatably connected to a mounting plate fixedly arranged on the outer side wall of the second feed cylinder, and the end of the cylinder away from the limit rod is connected to the cam.

10. The fire monitor according to claim 1, characterized in that: It also includes a curved gun barrel, a second gun barrel, a first drive assembly and a second drive assembly. The end of the first gun barrel away from the gun head is connected to the second gun barrel through the curved gun barrel. The curved gun barrel and the second gun barrel are connected to the inner cavity of the feed barrel. The end of the curved gun barrel away from the second gun barrel is also provided with a first drive assembly that can drive the first gun barrel to rotate vertically, and the second gun barrel is provided with a second drive assembly that can drive the curved gun barrel to rotate horizontally.

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