Fire-fighting mobile monitor

Abstract

The invention discloses a fire-fighting mobile monitor which comprises a bottom frame, a main machine body and a monitor head, the main machine body is arranged on the bottom frame, and the monitor head is connected to the water flow output end of the main machine body; the cannon head comprises an inner spraying pipe, one end of the inner spraying pipe is in a braid shape, an outer spraying pipe is coaxially and slidably arranged on the outer side of the inner spraying pipe in a sleeving mode, a water flow core is arranged in the end, close to the outer spraying pipe, of the inner spraying pipe, the outer wall of the water flow core abuts against the inner wall of the inner spraying pipe, and the end, close to a horn opening of the inner spraying pipe, of the water flow core is in a cambered-surface cone shape. The inner side of the other end of the inner spraying pipe is sleeved with a water dividing lattice, an adjusting screw rod is connected between the water dividing lattice and the water flow core, and the end, away from the outer spraying pipe, of the inner spraying pipe is detachably connected with a connecting base; an electric telescopic assembly is arranged on one side of the inner spraying pipe. The fire-fighting movable monitor has the advantages that the water type can be adjusted, the fire-fighting movable monitor is not prone to rollover, and the spraying angle and direction can be automatically adjusted.

Description

Technical Field

[0001] The invention belongs to the technical field of fire fighting equipment, and in particular relates to a mobile fire fighting cannon. Background Art

[0002] Fire monitors are important firefighting equipment for fighting fires. They are suitable for some large places, such as petrochemical enterprises, storage tank areas, hangars, warehouses, port terminals, etc. They are ideal on-board firefighting equipment for fire trucks. However, the water sprayed by the nozzles of traditional fire monitors is single, the spray distance is short, and it is easy to roll over under the impact of water flow. There is no way to automatically adjust the spray angle and direction, which affects the actual use function and effect of fire monitors. Summary of the invention

[0003] The purpose of the present invention is to provide a mobile fire fighting cannon to solve the above problems existing in the prior art.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A mobile fire fighting cannon, comprising a base frame, a main body and a cannon head, wherein the main body is arranged on the base frame, and the cannon head is connected to a water flow output end of the main body;

[0006] The gun head includes an inner nozzle, one end of which is in a trumpet shape and an outer nozzle is provided on a coaxial sliding sleeve on the outside, a water flow core is provided inside the inner nozzle near the end of the outer nozzle, the outer wall of the water flow core is close to the inner wall of the inner nozzle, and the end of the water flow core close to the trumpet mouth of the inner nozzle is in an arc-shaped cone, a water dividing grid is provided on the inner side of the other end of the inner nozzle, an adjustment screw is connected between the water dividing grid and the water flow core, and a connecting seat is detachably connected to the end of the inner nozzle away from the outer nozzle; an electric telescopic component is provided on one side of the inner nozzle, and the output end of the electric telescopic component is arranged along the length direction of the inner nozzle and connected to the outer nozzle.

[0007] The working process and principle of the above structure are as follows:

[0008] During operation, by adjusting the position of the water flow core on the adjusting screw and the gap between the water flow core and the inner nozzle, the water shape can be adjusted and changed, the water shape can be more concentrated, and the water shape spraying stroke can be farther. By controlling the operation of the electric telescopic component through the control component, the outer nozzle can be driven to telescope along the inner nozzle, so as to adjust the water flow contact area between the water outlet of the outer nozzle and the inner nozzle, and utilize the trumpet shape around the gun head and the spray angle of the nozzle to switch the sprayed water shape to columnar or mist shape, thereby increasing the diversity of usage scenarios and making it more applicable.

[0009] Furthermore, the main body includes a water collecting seat and a U-shaped bend pipe, the U-shaped bend pipe is arranged on the top of the water collecting seat and is connected to the water collecting seat, at least one water inlet is arranged on the water collecting seat, and connecting flanges are formed at both ends of the U-shaped bend pipe, and the connecting flange at the lower end of the U-shaped bend pipe is connected to a first rotating outer sleeve, the inner sleeve of the first rotating outer sleeve is provided with a first worm gear inner sleeve, the lower end of the first worm gear inner sleeve is fixedly connected to the water collecting seat, the first rotating outer sleeve is rotatably sleeved on the first worm gear inner sleeve, and a first rotating drive device is arranged on the first rotating outer sleeve, and the output end of the first rotating drive device cooperates with the worm gear inner sleeve; the second end of the U-shaped bend pipe is connected to a second worm gear inner sleeve at the connecting flange, the outer rotating sleeve of the second worm gear inner sleeve is provided with a second rotating outer sleeve, the second rotating outer sleeve is provided with a second rotating drive device, and the second rotating outer sleeve is connected to a gun head; a handle seat is arranged on the top of the U-shaped bend pipe, and a handle is arranged on the handle seat; a pressure gauge is arranged in the middle position of the handle seat, and an electric control device is arranged on one side of the handle seat.

[0010] The setting of the U-shaped elbow makes the center of gravity downward after the water pressure rushes out, and the water bubble fire fighting equipment is not easy to tip over. At the same time, the setting of the water collecting seat can connect the water pipe to the water inlet of the water collecting seat according to the water demand to realize water supply. When it is necessary to adjust the direction of the fire cannon, the first rotating drive device cooperates with the first worm gear inner sleeve to drive the first rotating outer sleeve to rotate, thereby realizing the rotation of the U-shaped elbow and achieving the purpose of adjusting the direction. When it is necessary to adjust the angle of the gun head, it is only necessary to drive the second rotating outer sleeve to rotate on the second worm gear inner sleeve through the second rotating drive device, so as to adjust the angle of the gun head and facilitate the adjustment of the water flow output angle, thereby improving the flexibility of the fire fighting mobile cannon; the setting of the handle seat and the handle makes it easy to manually lift the equipment; the setting of the pressure gauge can detect and understand the pressure of the water pressure, and the electronic control device can control the operation of the electronic equipment on the water cannon equipment.

[0011] Furthermore, the base frame includes a T-shaped mounting plate and two rear leg mounting plates, a ground nail is provided at the middle position of the lower surface of the T-shaped mounting plate, the middle end of the T-shaped mounting plate is connected to the water collecting seat, and the other two opposite ends of the T-shaped mounting plate are respectively hinged with supporting legs, and the two rear leg mounting plates are arranged on the water collecting seat at two symmetrical ends away from the side of the T-shaped mounting plate, and each of the rear leg mounting plates is hinged with a supporting leg, and a ground nail is provided at the lower part of the free end of the supporting leg, and a vertical locking bolt is provided on one side of the hinge between the supporting leg and the base frame, the locking bolt is connected to the supporting leg through a thread, and the end of the locking bolt abuts against the hinge of the base frame.

[0012] Fix the mobile fire cannon on the water collection base. When not in use, fold the supporting legs and collect them on the base frame for easy carrying and storage without taking up space. When needed, rotate and unfold each supporting leg and fix it on the ground to ensure the stability of the base frame. The position structure of the water collection base makes it easier to shift the center of gravity to the rear, making the center of gravity more stable and providing stronger support to ensure the stability of the base frame of the fire cannon.

[0013] Furthermore, the outer nozzle includes a trumpet tube and a sleeve, the trumpet tube and the sleeve are integrally formed, the inner wall of the trumpet tube is in contact with the outer wall of the inner nozzle, the sleeve is slidably mounted on the outer wall of the inner nozzle, and a cylindrical cavity is formed on the inner side of the trumpet tube.

[0014] The setting of the trumpet tube is helpful for cooperating with the trumpet mouth of the inner nozzle. Meanwhile, the setting of the cylindrical cavity is helpful for adjusting the contact area between the water flow and the outer nozzle. The setting of the sleeve is helpful for sliding cooperation with the inner nozzle.

[0015] Furthermore, the electric telescopic assembly includes a push rod motor and a push rod rear seat, the push rod rear seat is fixedly connected to the inner nozzle, the push rod motor is arranged on the push rod rear seat, the output end of the push rod motor is connected to the push rod front seat, the push rod front seat and the output end of the push rod motor are vertically arranged, the push rod front seat is a columnar structure, the push rod front seat passes through the outer nozzle and abuts against the outer wall of the inner nozzle, the outer wall of the outer nozzle is provided with a circle of sliding grooves corresponding to the position of the outer nozzle, and the push rod front seat is located in the sliding groove.

[0016] The push rod motor is installed on the push rod rear seat, and drives the outer nozzle to slide through the push rod front seat. At the same time, the part passing through the outer nozzle and the sliding groove realize sliding limitation.

[0017] Furthermore, the water dividing grid includes a water passing cylinder with a cylindrical structure and through-through ends, a fixed central axis is arranged at the central position inside the water passing cylinder, threaded holes are opened at both ends of the fixed central axis along the axis, one end of the adjusting screw is connected to the threaded hole by a thread, at least four partition plates are evenly distributed around the outer edge of the fixed central axis, and the other ends of the four partition plates are fixedly connected to the inner wall of the water passing cylinder.

[0018] The water dividing grid can disperse the water flow so that the water flow can be more fully diffused and sprayed out, and it is also conducive to the uniform atomization of the water flow. By adjusting the setting of the screw, the water dividing grid can be limited to prevent it from moving arbitrarily. At least four partition plates divide the incoming water flow into multiple streams.

[0019] Furthermore, the connecting seat includes a transition fairing seat and a movable screw sleeve, the transition fairing seat is coaxially abutted with the inner nozzle, the movable screw sleeve is sleeved at the connection between the inner nozzle and the transition fairing seat and is connected to the two through threads and fixed by bolts.

[0020] The setting of transition fairing seat and union nut helps to quickly disassemble and assemble the gun head, making it easy to repair and replace.

[0021] Furthermore, the outer nozzle is detachably connected to a foam tube.

[0022] The foam hose is mainly convenient for spraying long straight water streams and foamy water streams.

[0023] Furthermore, the structures of the first rotating outer sleeve and the second rotating outer sleeve, the first worm gear inner sleeve and the second worm gear inner sleeve, and the first rotation drive device and the second rotation drive device are the same; a plurality of rolling steel balls are arranged between the first rotating outer sleeve and the first worm gear inner sleeve, a Y-shaped sealing ring is arranged at the upper end between the first rotating outer sleeve and the first worm gear inner sleeve, and an O-shaped sealing ring is arranged at the contact surface between the first rotating outer sleeve and the U-shaped bend pipe and the contact surface between the first worm gear inner sleeve and the water collecting seat. The first rotation drive device includes a drive motor, a motor mounting plate and a drive shell, and the drive shell and the motor mounting plate are both arranged on the first rotating outer sleeve, the drive motor is fixed on the motor mounting plate, and the output end of the drive motor extends into the drive shell and is coaxially connected with a worm, the worm is meshed with the first worm gear inner sleeve, and the worm is rotatably arranged in the drive shell. The internal structure of the first rotation drive device and the internal structure of the second rotation drive device are also the same in installation position and structure; an upper bend pipe is arranged between the second rotating outer sleeve and the gun head, and the upper bend pipe is connected to a transition rectifier seat, and the transition rectifier seat is connected to the gun head.

[0024] By setting the rolling steel ball, the rotational friction between the first rotating outer sleeve and the first worm gear inner sleeve can be reduced, the Y-shaped sealing ring can prevent water leakage, and the O-shaped sealing ring is also used to ensure the sealing between the first worm gear inner sleeve and the water collecting seat and the first rotating outer sleeve and the U-shaped bend pipe. The worm is driven by the driving motor to rotate, and the worm cooperates with the first worm gear inner sleeve to realize the rotation drive of the first rotating outer sleeve, thereby driving the U-shaped bend pipe to rotate. According to the same principle, the second rotating drive device drives the angle adjustment of the gun head through the second rotating outer sleeve; the upper bend pipe is used to facilitate the connection of the gun head, and at the same time, the transition rectifying seat can play a role in preliminary rectification of the water flow, so that it can be better sprayed out from the gun head.

[0025] Furthermore, the water inlet includes a water inlet seat, one end of which is connected to a water hose interface, and the other end of which is hinged to a one-way valve core plate.

[0026] The setting of the water inlet seat facilitates the installation of the water hose interface and the setting of the one-way valve core plate, which helps to connect the water hose and ensure one-way water inlet.

[0027] Beneficial effect: When working, the present invention adjusts the position of the water flow core on the adjusting screw to adjust the gap between the water flow core and the inner nozzle, so that the water shape can be adjusted and changed, the water shape is more concentrated, and the water shape spraying stroke is farther; the control component controls the operation of the electric telescopic component to drive the outer nozzle to telescopically move along the inner nozzle, so as to adjust the water flow contact area between the water outlet of the outer nozzle and the inner nozzle, and utilizes the trumpet shape around the gun head and the spray angle of the nozzle water spray point to switch the sprayed water shape to columnar or mist shape, thereby increasing the diversity of usage scenarios and enhancing applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0029] Figure 2 It is the overall structural front view of the present invention;

[0030] Figure 3 It is a top view of the overall structure of the present invention;

[0031] Figure 4 It is a left view of the overall structure of the present invention;

[0032] Figure 5 It is a bottom view of the overall structure of the present invention;

[0033] Figure 6 This is a front view of the structure of the gun head in the present invention;

[0034] Figure 7 This is a schematic diagram of the internal structure of the cannon head in the present invention;

[0035] Figure 8 It is a schematic diagram of the structure of the outer nozzle in the present invention;

[0036] Fig. 9 It is a schematic diagram of the structure of the U-shaped elbow in the present invention;

[0037] Fig.10 for Figure 2 Sectional view of AA in the middle;

[0038] Fig.11 for Figure 2 Cross-sectional view of the middle BB;

[0039] Fig.12 It is a structural cross-sectional view of the water collecting seat in the present invention;

[0040] Fig.13 It is a structural cross-sectional view of the upper elbow in the present invention;

[0041] Fig.14 This is a block diagram of the circuit control principle in the present invention.

[0042] Figure numerals: 1, chassis; 101, T-shaped mounting plate; 102, rear leg mounting plate; 103, ground nail; 104, support leg; 105, locking bolt; 2, main body; 201, water collecting seat; 202, U-shaped elbow; 203, water inlet; 2031, water inlet seat; 2032, water hose interface; 2033, one-way valve core plate; 204, connecting flange; 205, first rotary outer sleeve; 206, first worm gear inner sleeve; 207, first rotary drive device; 2071, drive motor; 2072, motor mounting plate; 2073, drive shell; 2074, worm; 208, second rotary outer sleeve; 209, second rotary drive device; 210, handle seat; 2 11. Pressure gauge; 212. Electronic control device; 213. Rolling steel ball; 214. Y-type sealing ring; 215. O-type sealing ring; 216. Upper bend pipe; 3. Nozzle; 301. Inner nozzle; 302. Outer nozzle; 3021. Trumpet; 3022. Sleeve; 303. Water flow core; 304. Water divider; 3041. Water cylinder; 3042. Fixed center axis; 3043. Partition plate; 305. Adjusting screw; 306. Connecting seat; 3061. Transition rectifier seat; 3062. Union nut; 307. Electric telescopic assembly; 3071. Push rod motor; 3072. Push rod rear seat; 3073. Push rod front seat; 3074. Sliding groove; 308. Foam tube. DETAILED DESCRIPTION

[0043] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0044] Example:

[0045] like Figure 1-Figure 13 As shown, this embodiment provides a mobile fire fighting cannon, comprising a base frame 1, a main body 2 and a cannon head 3, wherein the main body 2 is arranged on the base frame 1, and the cannon head 3 is connected to the water flow output end of the main body 2;

[0046] The gun head 3 includes an inner nozzle 301, one end of which is in a trumpet shape and an outer nozzle 302 is slidably sleeved on the outer coaxial line. A water flow core 303 is arranged inside the inner nozzle 301 near the end of the outer nozzle 302. The outer wall of the water flow core 303 is close to the inner wall of the inner nozzle 301, and the end of the water flow core 303 near the trumpet of the inner nozzle 301 is in an arc-shaped cone. A water dividing grid 304 is sleeved on the inner side of the other end of the inner nozzle 301, and an adjusting screw 305 is connected between the water dividing grid 304 and the water flow core 303. A connecting seat 306 is detachably connected to the end of the inner nozzle 301 away from the outer nozzle 302; an electric telescopic component 307 is arranged on one side of the inner nozzle 301, and the output end of the electric telescopic component 307 is arranged along the length direction of the inner nozzle 301 and connected to the outer nozzle 302.

[0047] The working process and principle of the above structure are as follows:

[0048] During operation, by adjusting the position of the water flow core 303 on the adjusting screw 305, the gap between the water flow core 303 and the inner nozzle 301 is adjusted, so that the water shape can be adjusted and changed, the water shape is more concentrated, and the water shape spraying stroke is farther; by controlling the operation of the electric telescopic component 307 by the control component, the outer nozzle 302 can be driven to telescope along the inner nozzle 301, so as to adjust the water flow contact area between the water outlet of the outer nozzle 302 and the inner nozzle 301, and the trumpet shape around the gun head 3 and the spray angle of the nozzle water spraying point can be used to switch the sprayed water shape to a columnar or mist shape, thereby increasing the diversity of usage scenarios and making it more applicable.

[0049] In another embodiment of the present invention, Figure 1-Figure 5 as well as Figure 9-12As shown, the main body 2 includes a water collecting seat 201 and a U-shaped elbow 202. The U-shaped elbow 202 is arranged on the top of the water collecting seat 201 and is connected to the water collecting seat 201. A water inlet 203 is arranged on the water collecting seat 201. The water output of one water inlet 203 is 30-40L. Both ends of the U-shaped elbow 202 are formed with connecting flanges 204. The connecting flange 204 at the lower end of the U-shaped elbow 202 is connected to a first rotating outer sleeve 205. The first rotating outer sleeve 205 is provided with a first worm gear inner sleeve 206. The lower end of the first worm gear inner sleeve 206 is fixedly connected to the water collecting seat 201. The first rotating outer sleeve 205 is rotatably sleeved on the first worm gear inner sleeve 206. On the top, a first rotating outer sleeve 205 is provided with a first rotating drive device 207, and the output end of the first rotating drive device 207 cooperates with the worm gear inner sleeve; the other end of the U-shaped bend 202 is connected to the second worm gear inner sleeve at the connecting flange 204, and the outer rotating sleeve of the second worm gear inner sleeve is provided with a second rotating outer sleeve 208, and the second rotating outer sleeve 208 is provided with a second rotating drive device 209, and the second rotating outer sleeve 208 is connected to the gun head 3; a handle seat 210 is provided on the top of the U-shaped bend 202, and a handle is provided on the handle seat 210; a pressure gauge 211 is provided in the middle position of the handle seat 210, and an electric control device 212 is provided on one side of the handle seat 210.

[0050] like Fig.14 As shown, the electric control device 212 includes a control panel and a control circuit board. The control panel includes a shell, on which a power display screen, an angle selection knob, four direction control buttons, a columnar water flow button, and a mist water flow button are provided. A control circuit board is provided in the shell, on which an MCU control unit, a button display control unit, a first rotation drive device control circuit, a second rotation drive device control circuit, and a push rod motor control circuit are provided. The control buttons on the control panel are connected to the control circuit board through connecting cables. A wireless signal transceiver antenna is provided on the control circuit board, and a control signal can be sent through an external mobile control device to realize communication control connection with the wireless signal transceiver antenna. The wireless signal transceiver antenna is a 5G antenna.

[0051] The setting of the U-shaped bend pipe 202 makes the center of gravity downward after the water pressure rushes out, and the water bubble fire fighting equipment is not easy to tip over. At the same time, the setting of the water collecting seat 201 can connect the water pipe to the water inlet 203 of the water collecting seat 201 according to the water demand, so as to realize water supply. When it is necessary to adjust the direction of the fire cannon, the first rotary drive device 207 cooperates with the first worm gear inner sleeve 206 to drive the first rotary outer sleeve 205 to rotate, so as to realize the rotation of the U-shaped bend pipe 202 and achieve the purpose of adjusting the direction. When it is necessary to adjust the angle of the gun head 3, it is only necessary to drive the second rotary outer sleeve 208 to rotate on the second worm gear inner sleeve through the second rotary drive device 209, so as to adjust the angle of the gun head 3 and facilitate the adjustment of the water flow output angle, thereby improving the flexibility of the fire fighting mobile cannon; the setting of the handle seat 210 and the handle is convenient for manual lifting of the equipment; the setting of the pressure gauge 211 can detect the pressure of the water pressure, and the electronic control device 212 can control the operation of the electronic equipment on the water cannon equipment.

[0052] In another embodiment of the present invention, Figure 1-Figure 5 as well as Figure 9-12 As shown, the main body 2 includes a water collecting seat 201 and a U-shaped elbow 202. The U-shaped elbow 202 is arranged on the top of the water collecting seat 201 and is connected to the water collecting seat 201. Two water inlets 203 are arranged on the water collecting seat 201. The water output of the two water inlets 203 is 50-60L. Both ends of the U-shaped elbow 202 are formed with connecting flanges 204. The connecting flange 204 at the lower end of the U-shaped elbow 202 is connected to a first rotating outer sleeve 205. The first rotating outer sleeve 205 is sleeved with a first worm gear inner sleeve 206. The lower end of the first worm gear inner sleeve 206 is fixedly connected to the water collecting seat 201. The first rotating outer sleeve 205 is rotatably sleeved on the first worm gear inner sleeve 20 6, a first rotary outer sleeve 205 is provided with a first rotary drive device 207, and the output end of the first rotary drive device 207 cooperates with the worm gear inner sleeve; the other end of the U-shaped bend 202 is connected to the second worm gear inner sleeve at the connecting flange 204, and the second worm gear inner sleeve outer rotating sleeve is provided with a second rotary outer sleeve 208, and the second rotary outer sleeve 208 is provided with a second rotary drive device 209, and the second rotary outer sleeve 208 is connected to the gun head 3; a handle seat 210 is provided on the top of the U-shaped bend 202, and a handle is provided on the handle seat 210; a pressure gauge 211 is provided in the middle position of the handle seat 210, and an electric control device 212 is provided on one side of the handle seat 210.

[0053] The setting of the U-shaped bend pipe 202 makes the center of gravity downward after the water pressure rushes out, and the water bubble fire fighting equipment is not easy to tip over. At the same time, the setting of the water collecting seat 201 can connect the water pipe to the water inlet 203 of the water collecting seat 201 according to the water demand, so as to realize water supply. When it is necessary to adjust the direction of the fire cannon, the first rotary drive device 207 cooperates with the first worm gear inner sleeve 206 to drive the first rotary outer sleeve 205 to rotate, so as to realize the rotation of the U-shaped bend pipe 202 and achieve the purpose of adjusting the direction. When it is necessary to adjust the angle of the gun head 3, it is only necessary to drive the second rotary outer sleeve 208 to rotate on the second worm gear inner sleeve through the second rotary drive device 209, so as to adjust the angle of the gun head 3 and facilitate the adjustment of the water flow output angle, thereby improving the flexibility of the fire fighting mobile cannon; the setting of the handle seat 210 and the handle is convenient for manual lifting of the equipment; the setting of the pressure gauge 211 can detect the pressure of the water pressure, and the electronic control device 212 can control the operation of the electronic equipment on the water cannon equipment.

[0054] In another embodiment of the present invention, Figure 1-Figure 5 as well as Figure 9-12 As shown, the main body 2 includes a water collecting seat 201 and a U-shaped bend 202. The U-shaped bend 202 is arranged on the top of the water collecting seat 201 and is connected to the water collecting seat 201. Three water inlets 203 are arranged on the water collecting seat 201. The water output of the three water inlets 203 is 80L. Both ends of the U-shaped bend 202 are formed with connecting flanges 204. The connecting flange 204 at the lower end of the U-shaped bend 202 is connected to a first rotating outer sleeve 205. The first rotating outer sleeve 205 is provided with a first worm gear inner sleeve 206. The lower end of the first worm gear inner sleeve 206 is fixedly connected to the water collecting seat 201. The first rotating outer sleeve 205 is rotatably sleeved on the first worm gear inner sleeve 206. A first rotary drive device 207 is arranged on the first rotating outer sleeve 205, and the output end of the first rotary drive device 207 cooperates with the worm gear inner sleeve; the other end of the U-shaped bend 202 is connected to the second worm gear inner sleeve at the connecting flange 204, and the outer rotating sleeve of the second worm gear inner sleeve is provided with a second rotary outer sleeve 208, and the second rotary outer sleeve 208 is provided with a second rotary drive device 209, and the second rotary outer sleeve 208 is connected to the gun head 3; a handle seat 210 is arranged on the top of the U-shaped bend 202, and a handle is arranged on the handle seat 210; a pressure gauge 211 is arranged in the middle position of the handle seat 210, and an electric control device 212 is arranged on one side of the handle seat 210.

[0055] The setting of the U-shaped bend pipe 202 makes the center of gravity downward after the water pressure rushes out, and the water bubble fire fighting equipment is not easy to tip over. At the same time, the setting of the water collecting seat 201 can connect the water pipe to the water inlet 203 of the water collecting seat 201 according to the water demand, so as to realize water supply. When it is necessary to adjust the direction of the fire cannon, the first rotary drive device 207 cooperates with the first worm gear inner sleeve 206 to drive the first rotary outer sleeve 205 to rotate, so as to realize the rotation of the U-shaped bend pipe 202 and achieve the purpose of adjusting the direction. When it is necessary to adjust the angle of the gun head 3, it is only necessary to drive the second rotary outer sleeve 208 to rotate on the second worm gear inner sleeve through the second rotary drive device 209, so as to adjust the angle of the gun head 3 and facilitate the adjustment of the water flow output angle, thereby improving the flexibility of the fire fighting mobile cannon; the setting of the handle seat 210 and the handle is convenient for manual lifting of the equipment; the setting of the pressure gauge 211 can detect the pressure of the water pressure, and the electronic control device 212 can control the operation of the electronic equipment on the water cannon equipment.

[0056] In another embodiment of the present invention, Figure 1-Figure 5 As shown, the base frame 1 includes a T-shaped mounting plate 101 and two rear leg mounting plates 102. A ground nail 103 is provided at the middle position of the lower surface of the T-shaped mounting plate 101. The middle end of the T-shaped mounting plate 101 is connected to the water collecting seat 201. The other two opposite ends of the T-shaped mounting plate 101 are respectively hinged with support legs 104. The two rear leg mounting plates 102 are arranged on the water collecting seat 201 at two symmetrical ends away from the side of the T-shaped mounting plate 101. A support leg 104 is hinged on each rear leg mounting plate 102. The lower part of the free end of the support leg 104 is provided with a ground nail 103. A vertical locking bolt 105 is provided at one side of the hinge between the support leg 104 and the base frame 1. The locking bolt 105 is connected to the support leg 104 by threads, and the end of the locking bolt 105 abuts against the hinge of the base frame 1. A connecting plate is provided at one end of the T-shaped mounting plate 101, and a hook pull ring is provided on the connecting plate. A weight-reducing slot is provided on the side of the support leg 104. A marking strip is provided on the top surface of the support leg 104.

[0057] Fix the mobile fire cannon on the water collecting seat 201. When not in use, fold the supporting legs 104 to the base frame 1 for easy carrying and storage without taking up space. When needed, rotate and unfold each supporting leg 104 and fix it on the ground to ensure the stability of the base frame 1. The position structure of the water collecting seat 201 facilitates the shifting of the center of gravity to the rear, making the center of gravity more stable and providing stronger support force to ensure the stability of the base frame 1 of the fire cannon.

[0058] In another embodiment of the present invention, Figure 8As shown, the outer nozzle 302 includes a trumpet tube 3021 and a sleeve 3022. The trumpet tube 3021 and the sleeve 3022 are integrally formed. The inner wall of the trumpet tube 3021 fits with the outer wall of the inner nozzle 301. The sleeve 3022 is slidably mounted on the outer wall of the inner nozzle 301. A cylindrical cavity is formed on the inner side of the trumpet tube 3021.

[0059] The setting of the trumpet tube 3021 helps to cooperate with the trumpet mouth of the inner nozzle 301. At the same time, the setting of the cylindrical cavity helps to adjust the contact area between the water flow and the outer nozzle 302. The setting of the sleeve 3022 helps to slide with the inner nozzle 301.

[0060] In another embodiment of the present invention, Figure 6 and Figure 7 As shown, the electric telescopic assembly 307 includes a push rod motor 3071 and a push rod rear seat 3072, the push rod rear seat 3072 is fixedly connected to the inner nozzle 301, the push rod motor 3071 is arranged on the push rod rear seat 3072, the output end of the push rod motor 3071 is connected to the push rod front seat 3073, the push rod rear seat 3072 is a plate-like structure as a whole, the push rod front seat 3073 is a multi-section shaft structure, the push rod front seat 3073 is perpendicular to the output end of the push rod motor 3071, the push rod front seat 3073 passes through the outer nozzle 302 and abuts against the outer wall of the inner nozzle 301, and a circle of sliding grooves 3074 are provided on the outer wall of the outer nozzle 302 corresponding to the position of the outer nozzle 302, and the push rod front seat 3073 is located in the sliding groove 3074.

[0061] The push rod motor 3071 is installed on the push rod rear seat 3072, and drives the outer nozzle 302 to slide through the push rod front seat 3073. At the same time, the part passing through the outer nozzle 302 and the sliding groove 3074 realize sliding limitation.

[0062] In another embodiment of the present invention, Figure 1-Figure 7 As shown, the water dividing grid 304 includes a water passing cylinder 3041 with a cylindrical structure and through-through ends. A fixed central axis 3042 is arranged at the central position inside the water passing cylinder 3041. Threaded holes are provided at both ends of the fixed central axis 3042 along the axis. One end of the adjusting screw 305 is connected to the threaded hole through a thread. At least four partition plates 3043 are evenly distributed around the outer edge of the fixed central axis 3042. The other ends of the four partition plates 3043 are fixedly connected to the inner wall of the water passing cylinder 3041.

[0063] The water dividing grid 304 can disperse the water flow so that the water flow can be more fully diffused and sprayed out, and it is also conducive to the uniform atomization of the water flow. By adjusting the setting of the screw, the water dividing grid 304 can be limited to prevent it from moving arbitrarily. At least four partition plates 3043 divide the incoming water flow into multiple streams.

[0064] In another embodiment of the present invention, Figure 6 As shown, the connecting seat 306 includes a transition fairing seat 3061 and a movable screw sleeve 3062. The transition fairing seat 3061 is coaxially abutted with the inner nozzle 301. The movable screw sleeve 3062 is sleeved at the connection between the inner nozzle 301 and the transition fairing seat 3061 and is connected to the two through threads and fixed by bolts.

[0065] The provision of the transition rectifier seat 3061 and the live-joint nut 3062 facilitates the rapid disassembly and assembly of the gun head 3, and is convenient for maintenance and replacement.

[0066] In another embodiment of the present invention, Figure 1-Figure 4 As shown, the outer nozzle 302 is detachably connected with a foam tube 308. The foam tube 308 is a long straight tube, which is connected to the outer nozzle 302 through a foam tube seat, and the foam tube seat and the groove on the outer nozzle 302 are clamped by a threaded pin.

[0067] The foam pipe 308 is mainly convenient for spraying long straight water streams and foamy water streams.

[0068] In another embodiment of the present invention, Fig.10 and Fig.11 As shown, the structures of the first rotating outer sleeve 205 and the second rotating outer sleeve 208, the first worm gear inner sleeve 206 and the second worm gear inner sleeve, and the first rotation driving device 207 and the second rotation driving device 209 are all the same; a plurality of rolling steel balls 213 are arranged between the first rotating outer sleeve 205 and the first worm gear inner sleeve 206, a Y-shaped sealing ring 214 is arranged at the upper end between the first rotating outer sleeve 205 and the first worm gear inner sleeve 206, an O-shaped sealing ring 215 is arranged at the contact surface between the first rotating outer sleeve 205 and the U-shaped elbow 202 and the contact surface between the first worm gear inner sleeve 206 and the water collecting seat 201, and the first rotation driving device 207 includes a driving motor 2071, a motor mounting plate 2072 and a driving shell 2073. The drive housing 2073 and the motor mounting plate 2072 are both arranged on the first rotary outer sleeve 205, the drive motor 2071 is fixed on the motor mounting plate 2072, and the output end of the drive motor 2071 extends into the drive housing 2073 and is coaxially connected with a worm 2074, the worm 2074 is meshed with the first worm gear inner sleeve 206, and the worm 2074 is rotatably arranged in the drive housing 2073, and the internal structure of the first rotary drive device 207 and the internal structure of the second rotary drive device 209 are also the same in installation position and structure; an upper curved pipe 216 is arranged between the second rotary outer sleeve 208 and the gun head 3, and the upper curved pipe 216 is connected to the transition rectifier seat 3061, and the transition rectifier seat 3061 is connected to the gun head 3. The end of the worm 2074 away from the drive motor 2071 passes through the drive housing 2073 and is coaxially connected with a knob.

[0069] By setting the knob, the worm 2074 can be manually driven to rotate, thereby adjusting the direction of the U-shaped bend pipe 202 and changing the angle of the gun head 3.

[0070] By setting the rolling steel ball 213, the rotational friction between the first rotating outer sleeve 205 and the first worm gear inner sleeve 206 can be reduced, the Y-shaped sealing ring 214 can prevent water leakage, and the O-shaped sealing ring 215 is also used to ensure the sealing between the first worm gear inner sleeve 206 and the water collecting seat 201 and the first rotating outer sleeve 205 and the U-shaped bend 202. The worm 2074 is driven to rotate by the driving motor 2071, and the worm 2074 cooperates with the first worm gear inner sleeve 206 to realize the rotation drive of the first rotating outer sleeve 205 and drive the U-shaped bend 202 to rotate. According to the same principle, the second rotating drive device 209 drives the angle adjustment of the gun head 3 through the second rotating outer sleeve 208; the upper bend 216 is used to facilitate the connection of the gun head 3, and at the same time, the transition rectifier seat 3061 can play a preliminary rectifier role on the water flow, so that it can be better sprayed out from the gun head 3.

[0071] In another embodiment of the present invention, Fig.12 As shown, the water inlet 203 includes a water inlet seat 2031, one end of the water inlet seat 2031 is connected to a water hose interface 2032, and the other end is hinged with a one-way valve core plate 2033.

[0072] The setting of the water inlet seat 2031 facilitates the installation of the water hose interface 2032 and the setting of the one-way valve core plate 2033, which is helpful for connecting the water hose and one-way water inlet.

[0073] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A mobile firefighting cannon, characterized in that: It comprises a base frame, a main body and a gun head, wherein the main body is arranged on the base frame, and the gun head is connected to the water flow output end of the main body; The gun head includes an inner nozzle, one end of which is in a trumpet shape and an outer nozzle is provided on a coaxial sliding sleeve on the outside, a water flow core is provided inside the inner nozzle near the end of the outer nozzle, the outer wall of the water flow core is close to the inner wall of the inner nozzle, and the end of the water flow core close to the trumpet mouth of the inner nozzle is in an arc-shaped cone, a water dividing grid is provided on the inner side of the other end of the inner nozzle, an adjustment screw is connected between the water dividing grid and the water flow core, and a connecting seat is detachably connected to the end of the inner nozzle away from the outer nozzle; an electric telescopic component is provided on one side of the inner nozzle, and the output end of the electric telescopic component is arranged along the length direction of the inner nozzle and connected to the outer nozzle.

2. The mobile firefighting cannon according to claim 1, characterized in that: The main body includes a water collecting seat and a U-shaped bend pipe, the U-shaped bend pipe is arranged on the top of the water collecting seat and is connected with the water collecting seat, at least one water inlet is arranged on the water collecting seat, both ends of the U-shaped bend pipe are formed with connecting flanges, the connecting flange at the lower end of the U-shaped bend pipe is connected with a first rotating outer sleeve, the first rotating outer sleeve is provided with a first worm gear inner sleeve, the lower end of the first worm gear inner sleeve is fixedly connected with the water collecting seat, the first rotating outer sleeve is rotatably sleeved on the first worm gear inner sleeve, the first rotating outer sleeve is provided with a first rotation driving device, and the output end of the first rotation driving device cooperates with the worm gear inner sleeve; the second worm gear inner sleeve is connected to the second worm gear inner sleeve at the connecting flange at the other end of the U-shaped bend pipe, the second worm gear inner sleeve is provided with a second rotating outer sleeve, the second rotating outer sleeve is provided with a second rotation driving device, and the second rotating outer sleeve is connected with a gun head; a handle seat is arranged on the top of the U-shaped bend pipe, and a handle is arranged on the handle seat; a pressure gauge is arranged in the middle position of the handle seat, and an electric control device is arranged on one side of the handle seat.

3. The mobile firefighting cannon according to claim 2, characterized in that: The base frame includes a T-shaped mounting plate and two rear leg mounting plates, a ground nail is arranged in the middle position of the lower surface of the T-shaped mounting plate, the middle end of the T-shaped mounting plate is connected to the water collecting seat, and the other two opposite ends of the T-shaped mounting plate are respectively hinged with supporting legs, and the two rear leg mounting plates are arranged on the water collecting seat at two symmetrical ends away from the T-shaped mounting plate. A supporting leg is hinged on each of the rear leg mounting plates, and a ground nail is arranged at the lower part of the free end of the supporting leg. A vertical locking bolt is arranged on one side of the hinge between the supporting leg and the base frame, and the locking bolt is connected to the supporting leg through a thread, and the end of the locking bolt abuts against the hinge of the base frame.

4. The mobile firefighting cannon according to claim 2, characterized in that: The outer nozzle comprises a trumpet tube and a sleeve, the trumpet tube and the sleeve are integrally formed, the inner wall of the trumpet tube fits with the outer wall of the inner nozzle, the sleeve is slidably mounted on the outer wall of the inner nozzle, and a cylindrical cavity is formed on the inner side of the trumpet tube.

5. The mobile fire fighting cannon according to claim 4, characterized in that: The electric telescopic assembly includes a push rod motor and a push rod rear seat, the push rod rear seat is fixedly connected to the inner nozzle, the push rod motor is arranged on the push rod rear seat, the output end of the push rod motor is connected to the push rod front seat, the push rod front seat and the output end of the push rod motor are vertically arranged, the push rod front seat is a columnar structure, the push rod front seat passes through the outer nozzle and abuts against the outer wall of the inner nozzle, the outer wall of the outer nozzle is provided with a circle of sliding grooves corresponding to the position of the outer nozzle, and the push rod front seat is located in the sliding groove.

6. The mobile fire fighting cannon according to claim 5, characterized in that: The water dividing grid includes a water passing cylinder with a cylindrical structure and two through ends. A fixed central axis is arranged at the central position inside the water passing cylinder. Threaded holes are opened along the axis at both ends of the fixed central axis. One end of the adjusting screw is connected to the threaded hole through a thread. At least four partition plates are evenly distributed around the outer edge of the fixed central axis. The other ends of the four partition plates are fixedly connected to the inner wall of the water passing cylinder.

7. The mobile firefighting cannon according to claim 6, characterized in that: The connecting seat comprises a transition fairing seat and a movable screw sleeve. The transition fairing seat is coaxially abutted with the inner nozzle. The movable screw sleeve is sleeved at the connection between the inner nozzle and the transition fairing seat and is connected to the two through threads and fixed by bolts.

8. The mobile firefighting cannon according to claim 7, characterized in that: The outer spray pipe is detachably connected with a foam pipe.

9. The mobile fire fighting cannon according to claim 7, characterized in that: The structures of the first rotating outer sleeve and the second rotating outer sleeve, the first worm gear inner sleeve and the second worm gear inner sleeve, and the first rotation drive device and the second rotation drive device are all the same; a plurality of rolling steel balls are arranged between the first rotating outer sleeve and the first worm gear inner sleeve, a Y-shaped sealing ring is arranged at the upper end between the first rotating outer sleeve and the first worm gear inner sleeve, and an O-shaped sealing ring is arranged at the contact surface between the first rotating outer sleeve and the U-shaped elbow pipe and the contact surface between the first worm gear inner sleeve and the water collecting seat. The first rotation drive device comprises a driving motor, a motor mounting plate and a driving shell, and the driving shell and the motor mounting plate are both arranged on the first rotating outer sleeve, the driving motor is fixed on the motor mounting plate, and the output end of the driving motor extends into the driving shell and is coaxially connected with a worm, the worm is meshed with the first worm gear inner sleeve, and the worm is rotatably arranged in the driving shell. The internal structure of the first rotation drive device and the internal structure of the second rotation drive device are also the same in installation position and structure; an upper bend pipe is arranged between the second rotating outer sleeve and the gun head, and the upper bend pipe is connected to a transition rectifier seat, and the transition rectifier seat is connected to the gun head.

10. The mobile fire fighting cannon according to claim 9, characterized in that: The water inlet comprises a water inlet seat, one end of which is connected to a water hose interface, and the other end of which is hinged to a one-way valve core plate.

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