CN110801591B

CN110801591B - Wall-through fire extinguishing device, arm support and fire fighting vehicle

Info

Publication number: CN110801591B
Application number: CN201911081282.1A
Authority: CN
Inventors: 彭顺文
Original assignee: Changsha Zoomlion Fire Fighting Machinery Co Ltd
Current assignee: Hunan Zoomlion Emergency Equipment Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2021-08-24
Anticipated expiration: 2039-11-07
Also published as: CN110801591A

Abstract

The invention relates to the technical field of fire fighting equipment, and provides a through-wall fire extinguishing device, an arm support and a fire fighting vehicle. The wall-through fire extinguishing device is provided with the rotatable cutting head, so that the cutting head drives the cutting piece to rotate, and the purpose of wall penetration is achieved; through set up the orifice on the cutting head, rivers say the internal water can be through the orifice blowout, and at the wall-piercing in-process, spun water both can cool off the cutting piece, also can erode the piece of wall body for the cutting head wears wall speed, and after wearing the wall body, the spun water puts out a fire to indoor, and barrel and wall clearance fit avoid the oxygen in the external world to get into indoor causing the bombing in a large number.

Description

Wall-through fire extinguishing device, arm support and fire fighting vehicle

Technical Field

The invention relates to the technical field of fire fighting equipment, in particular to a through-wall fire extinguishing device, an arm support and a fire fighting vehicle.

Background

In order to carry out high-altitude fire extinguishing operation, the top end of the boom of the existing high-altitude operation vehicle is provided with a fire water monitor, a breaking-in device, a puncture gun and other devices.

Wherein, the fire monitor can only extinguish fire from the outside and can not go deep into the inside.

The breaking-in device is used for violent breaking-in with large-range destructive property when acting on a wall body or a porthole and the like. Under the condition that bombing may occur at any time, the forced forcible different by the forcible.

The puncture device only plays a certain role in the weak shell, and can not effectively penetrate through the wall body to extinguish fire.

However, none of these fire fighting devices is capable of effectively extinguishing fires within enclosed walls.

Disclosure of Invention

In view of this, the present invention provides a through-wall fire extinguishing apparatus, so as to solve the technical problem that the existing fire extinguishing apparatus cannot effectively extinguish the fire inside the closed wall.

In order to achieve the above objects, one aspect of the present invention provides a through-wall fire extinguishing apparatus, comprising a cutting head, a cylinder and a water flow passage,

the water flow channel penetrates through the length direction of the cylinder, the cutting head is hermetically mounted at one end of the cylinder and can rotate, a cutting piece and a spray hole are formed in the cutting head, and the spray hole is communicated with the flow channel and penetrates through the cutting head.

Preferably, the water flow channel is a water pipe, the cylinder body is arranged to be capable of rotating relative to the water pipe, and the through-wall fire extinguishing device comprises a driving assembly for driving the cylinder body to rotate, and the driving assembly is matched with the cylinder body to drive the cylinder body to rotate relative to the water pipe.

Preferably, the driving assembly comprises a driving motor and a gear set connected with the driving motor, and the driving motor is fixedly connected with one end of the water pipe far away from the cutting head and drives the cylinder to rotate through the gear set.

Preferably, a plurality of raceways are arranged at intervals in a gap between the outer surface of the water pipe and the inner surface of the cylinder, and a plurality of balls are mounted in each raceway.

Preferably, the outer surface of the cylinder body is provided with a pressure filling oil cup communicated with the roller path.

Preferably, the spray holes comprise a water flow spray hole and a water mist spray hole, and the diameter of the water flow spray hole is larger than that of the water mist spray hole.

The invention further provides an arm support, the arm support comprises an arm support body and the through-wall fire extinguishing device, and the cylinder is arranged at the tail end of the arm support body.

The invention provides a cantilever crane, which comprises a cantilever crane body, a swing motor and the wall-through fire extinguishing device, wherein a rotating shaft of the swing motor is fixedly connected with one end of the water pipe, which is far away from the cutting head, so as to drive the barrel to swing, and a base of the swing motor is fixedly connected with the tail end of the cantilever crane body.

Preferably, the arm support comprises a controller, and the controller is electrically connected with the driving assembly and the swing motor to control the rotation of the driving assembly and the swing motor.

Preferably, a distance sensor is mounted on the arm support and electrically connected with the controller.

In addition, the invention also provides a fire fighting vehicle, which comprises a water supply device and the arm support, wherein the water supply device can supply water to the water pipe.

Compared with the prior art, the wall-through fire extinguishing device has the advantages that the cutting head capable of rotating is arranged, so that the cutting head drives the cutting piece to rotate, the wall body is cut, and the purpose of wall penetration is achieved; through set up the orifice on the cutting head for when the cutting head rotated, rivers say the internal water can be through the orifice blowout, and at the wall-piercing in-process, spun water both can cool off the cutting piece, also can wash away the piece of wall body for the cutting head is worn the wall speed, and after wearing the wall body, spun water puts out a fire to indoor, and simultaneously, barrel and wall clearance fit avoid the interior roaring of causing of a large amount of oxygen entering of external world to fire.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of a through-wall fire suppression apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged partial view of an embodiment of the cutting head of FIG. 1;

FIG. 3 is an enlarged partial view of another embodiment of the cutting head of FIG. 1;

FIG. 4 is a schematic view of a rotary connector ring according to an embodiment of the present invention;

fig. 5 is a partially enlarged view of a in fig. 4.

Description of reference numerals:

1 cutting head 2 fastener

3 sealing ring 4 pressure filling oil cup

5 ball 6 cylinder

7 water pipe 8 gear set

9 bearing 10 driving motor

11 oscillating motor 12 hose

13 arm support body 14 sealing ring

15 distance sensor 16 rotary connecting ring

161 first ring 162 second ring

1611 first attachment ring 1612 first support ring

1621 second coupling ring 1622 second support ring

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, the use of directional terms such as "upper" and "lower" generally means upper and lower as shown in the drawings without being described to the contrary. The present invention will be described in detail with reference to the accompanying drawings 1 to 5 in conjunction with embodiments.

According to one aspect of the present invention, there is provided a through-wall fire-extinguishing device, as shown in fig. 1, comprising a cutting head 1, a cylinder 6 and a water flow passage,

the water flow channel penetrates through the length direction of the cylinder 6, preferably, the cross section of the water flow channel is circular, the water flow channel and the cylinder 6 are arranged coaxially, the cutting head 1 is hermetically mounted at one end of the cylinder 6 and can rotate, in the above, a sealing ring 14 is arranged between the cutting head 1 and the cylinder 6, the cutting head 1 is detachably connected with the cylinder 6 through a fastener 2, a cutting part and a spray hole are arranged on the cutting head 1, and the spray hole is communicated with the flow channel and penetrates through the cutting head 1. As described above, the cutting head 1 may be a cutting head 1 in which a cutting member and the cutting head 1 are integrated, or may be a cutting head 1 in which a cutting member is detachably attached to the cutting head 1. The through-wall fire extinguishing device comprises a water supply device, the water supply device can supply water to the water pipe, the water supply device comprises a water storage tank and a water pump, the water storage tank is communicated with the water flow channel through the water pump, and the water pump pumps the water in the water storage tank to the water flow channel.

In the above, according to an embodiment of the present invention, as shown in fig. 2, the cutting head 1 has a spherical shape, and the wall can be cut by the wall-through fire-extinguishing apparatus when the wall-through fire-extinguishing apparatus moves in a direction approaching to or away from the wall, so that the wall-through fire-extinguishing apparatus can smoothly penetrate or withdraw from the wall. According to an embodiment of the invention, the cutting head 1 is conical in shape, which facilitates the removal of cutting chips and increases the cutting speed.

In the above, the maximum diameter of the movement locus of the cutting head 1 to which the cutting member is attached is the same as the outer diameter of the cylinder 6. This arrangement allows the diameter of the hole drilled in the wall by the cutting head 1 to be the same as the outer diameter of the cylinder 6, thereby preventing outside air from entering the wall and assisting the flame.

In the above, the cutting member includes a plurality of cutting members provided at intervals on the outer surface of the cutting head 1, and the cutting member can cut a wall or a metal member. The cutting member is detachably coupled to the cutting head 1. The cutting piece comprises a machine clamping blade, the machine clamping blade is made of a hard alloy material cutter substrate and a PCD material cutter point, and the machine clamping blade can be in a diamond shape or a square shape.

According to the wall-through fire extinguishing device, the cutting head 1 capable of rotating is arranged, so that the cutting head 1 drives the cutting piece to rotate, a wall body is cut, and the purpose of wall penetration is achieved; through set up the orifice on cutting head 1 for when cutting head 1 rotates, the rivers say that the water can be through the orifice blowout, and at the wall-piercing in-process, the spun water both can cool off the cutting member, also can wash away the piece of wall body, accelerates cutting head 1 and wear the wall speed, and after wearing the wall body, the spun water puts out a fire to indoor, and simultaneously, barrel 6 and wall clearance fit avoid the interior oxygen of external world to get into indoor causing the flash.

According to an embodiment of the invention, the water flow passage is a water pipe 7, the cylinder 6 is sleeved at one end of the periphery of the water pipe 7, the cylinder 6 is arranged to be capable of rotating relative to the water pipe 7, the wall-through fire extinguishing device comprises a driving component for driving the cylinder 6 to rotate, the driving component is arranged at one end of the water pipe 7 far away from the cylinder 6, and the driving component is matched with the cylinder 6 to drive the cylinder 6 to rotate relative to the water pipe 7. The arrangement enables the driving assembly to drive the cylinder 6 to rotate and simultaneously drive the cutting head 1 to rotate, the cutting piece on the cutting head 1 cuts a wall body, water or other fire extinguishing substances are sprayed out of the spray holes through the water pipe 7, the cutting piece can be cooled, fragments of the wall body can be washed away, and after the wall body is broken through, the sprayed water or other fire extinguishing substances extinguish the fire indoors.

In the above, the driving assembly may be provided in various suitable forms to drive the cylinder 6 to rotate. Optionally, drive assembly include driving motor 10 and with the gear train 8 that driving motor 10 is connected, gear train 8 includes driving gear and driven gear, the driving gear with driven gear meshes, the driving gear with driving motor 10's rotation axis connection, driven gear installs the periphery of barrel 6, the driving gear with driven gear includes spur gear or bevel gear, driving motor 10 with water pipe 7 is kept away from the one end fixed connection of cutting head 1 passes through gear train 8 drives barrel 6 rotates.

In order to improve the strength of the water pipe 7, a reinforcing pipe is arranged at one end of the water pipe 7 far away from the cutting head 1, the reinforcing pipe is sleeved on the periphery of the water pipe 7 and fixedly connected with the water pipe 7, and the driving motor 10 is installed on the reinforcing pipe. The reinforcing pipe is connected with the cylinder body 6 through a bearing 9, and the bearing 9 is an axial contact bearing.

In order to limit the axial displacement of the water pipe 7 and the cylinder 6, as shown in fig. 2, a plurality of raceways are provided at intervals between the outer surface of the water pipe 7 and the inner surface of the cylinder 6, and a plurality of balls 5 are mounted in each raceway. Preferably, two raceways are spaced apart from each other in a gap between the outer surface of the water pipe 7 and the inner surface of the cylinder 6, and are respectively disposed at two ends of the cylinder 6, so that the raceways limit axial displacement between the water pipe 7 and the cylinder 6, and at the same time, the balls 5 in the raceways support the water pipe 7.

In order to provide lubrication to the balls 5, the outer surface of the barrel 6 is provided with a pressure filling cup 4 communicating with the raceway. The pressure filling oil cup 4 comprises a straight-through type pressure filling oil cup, a joint type pressure filling oil cup or a screw cap type pressure filling oil cup, and preferably, the pressure filling oil cup 4 is a straight-through type pressure filling oil cup.

In the above, in order to prevent the water in the water pipe 7 from overflowing through the gap between the cylinder 6 and the water pipe 7, the side of the raceway near the cutting head 1 is provided with the sealing ring 3. Furthermore, two sides of the roller path are respectively provided with a sealing ring 3. Due to the arrangement, water in the water pipe 7 cannot overflow through a gap between the cylinder body 6 and the water pipe 7, so that the pressure loss of the water is reduced, and the phenomenon that the lubricant in the roller path is washed away by water and loses lubrication is avoided.

In order to improve the fire extinguishing effect, the spray holes comprise a water flow spray hole and a water mist spray hole, and the diameter of the water flow spray hole is larger than that of the water mist spray hole. The aperture of the water mist spray holes is between 3mm and 25mm, wherein the diameter of water passing through the water mist spray holes is between 0.3mm and 1mm, the water mist spray holes can spray high-speed water flow, the high-speed water flow is large, the water mist spray holes can quickly form ground water body covering, cool and extinguish fire after spraying, the water mist spray holes can spray high-pressure water mist, quickly cover fire sources, quickly evaporate and form steam, a barrier is formed around a combustion object to prevent fresh air from being sucked, and therefore the fire extinguishing effect is improved.

The invention also provides an arm support, which comprises an arm support body 13 and the through-wall fire extinguishing device, wherein the cylinder 6 is arranged at the tail end of the arm support body 13.

Depending on the specific construction, the cylinder 6 can be arranged in a corresponding manner. For example, in the case that the cylinder 6 is rotatable relative to the water pipe 7, the arm support further includes a swing motor 11, a rotation shaft of the swing motor 11 is fixedly connected to one end of the water pipe 7 away from the cutting head 1 to drive the cylinder 6 to swing, and a base of the swing motor 11 is fixedly connected to a distal end of the arm support body 13.

The arm support can drive the through-wall fire extinguishing device to move to a fire point and move the through-wall fire extinguishing device to an optimal fire extinguishing position, so that the cutting head 1 can drive the cutting piece to cut a wall body, and the fire extinguishing efficiency is improved; through setting up swing motor 11, the angle of adjustment barrel 6 for the angle of barrel 6 can be adjusted through swing motor 11, makes the perpendicular wall of barrel 6, is favorable to punching the wall.

In the above, the rotation axis of the swing motor 11 is not parallel to the rotation axis of the cylinder 6, and preferably, the rotation axis of the swing motor 11 is perpendicular to the rotation axis of the cylinder 6.

In the above, the arm support body 13 includes a plurality of arm sections, and the arm sections are connected to each other and can be folded or extended, so that the arrangement is favorable for increasing the length of the arm support.

In order to control the start and stop of the driving assembly, the arm support comprises a controller, and the controller is electrically connected with the driving assembly and the swing motor 11 to control the rotation of the driving assembly and the swing motor 11.

Further, a distance sensor 15 is mounted on the arm support, the distance sensor 15 is mounted at the tail end of the arm support body 13, and the distance sensor 15 is electrically connected with the controller. Such an arrangement enables the distance sensor 15 to measure the distance of the end of the boom from the wall surface and to send a distance signal to the sensor which controls the rotation of the drive assembly.

According to another embodiment of the present invention, the water flow channel is a hole penetrating through the cylinder 6, the hole is a circular hole and is arranged coaxially with the cylinder 6, and water or other fire extinguishing substances are sprayed from the spray holes through the water flow channel. The cutting head 1 is installed at one end of the cylinder 6, a connecting pipe is installed at the other end of the cylinder, and the connecting pipe is coaxially arranged with the cylinder 6 and rotatably and hermetically connected with the cylinder 6.

In this embodiment, as shown in fig. 4, the connection pipe is connected to the cylinder 6 through a rotary connection ring 16, as shown in fig. 5, the rotary connection ring 16 includes a first ring body 161 and a second ring body 162 coaxially arranged, the first ring body 161 and the second ring body 162 are both L-shaped in cross section, the first ring body 161 includes a first connection ring 1611 and a first support ring 1612 vertically connected, the second ring body 162 includes a second connection ring 1621 and a second support ring 1622 vertically connected, the first connection ring 1611 is sleeved on the outer circumference of the second connection ring 1621, the first support ring 1612 and the second support ring 1622 are arranged between the first connection ring 1611 and the second connection ring 1621, the second support ring 1622 is arranged between both ends of the first connection ring 1611, the first support ring 1612 is arranged between both ends of the second connection ring 1621, a gasket is disposed between the first support ring 1612 and the second support ring 1622. One of the first ring 161 and the second ring 162 is fixedly connected with the cylinder 6, and the other is fixedly connected with the connecting pipe.

In this embodiment, the through-wall fire-extinguishing device comprises a driving assembly for driving the cylinder 6 to rotate, the driving assembly being mounted on the connecting pipe, the driving assembly cooperating with the cylinder 6 to drive the cylinder 6 to rotate relative to the water pipe 7. The arrangement enables the driving assembly to drive the cylinder 6 to rotate and simultaneously drive the cutting head 1 to rotate, the cutting piece on the cutting head 1 cuts a wall body, water or other fire extinguishing substances are sprayed out of the spray holes through the water pipe 7, the cutting piece can be cooled, fragments of the wall body can be washed away, and after the wall body is broken through, the sprayed water or other fire extinguishing substances extinguish the fire indoors.

In this embodiment, the driving assembly includes a driving motor 10 and a gear set 8 connected to the driving motor 10, the gear set 8 includes a driving gear and a driven gear, the driving gear is engaged with the driven gear, the driving gear is connected to a rotation shaft of the driving motor 10, the driven gear is installed at the periphery of the cylinder 6, the driving gear and the driven gear include a spur gear or a bevel gear, and the driving motor 10 is fixedly connected to the connecting pipe and drives the cylinder 6 to rotate relative to the connecting pipe through the gear set 8.

In this embodiment, the boom comprises a boom body 13, a swing motor 11 and the through-wall fire extinguishing apparatus of the present invention, a rotating shaft of the swing motor 11 is fixedly connected with the connecting pipe to drive the cylinder 6 to swing, and a base of the swing motor 11 is fixedly connected with a tail end of the boom body 13.

The invention also provides a fire fighting vehicle, which comprises a water supply device and the arm support, wherein the water supply device can supply water to the connecting pipe, the water is sprayed out from the spray holes through the water flow channel, and the water supply device is electrically connected with the controller.

The water supply device comprises a water storage tank and a water pump, the water pump is electrically connected with the controller, the water storage tank is communicated with the water pipe 7 or the connecting pipe through the water pump, the water pump sends the water pump in the water storage tank to the water pipe 7 or the connecting pipe, and the water pipe 7 or the connecting pipe is connected with the water pump through a hose 12.

When the fire fighting vehicle is used for fire fighting, the fire fighting vehicle is driven to a specified position, the wall-through fire fighting device is moved to a wall position outside a fire point by using the arm support, the swing motor 11 is controlled to rotate by the controller, the arrangement of the cylinder 6 vertical to the wall is adjusted, the driving motor 10 is controlled by the controller to drive the cylinder 6 to rotate, the cylinder 6 drives the cutting head 1, the wall is cut by the cutting piece, meanwhile, the controller controls the water pump to work, the water pump pumps water to the wall-through fire fighting device, the water flows out from the spray holes, the cutting head 1 and the cutting piece are cooled, the arm support continues to drive the wall-through fire fighting device to move towards the wall until the distance sensor 15 measures and moves to a certain distance away from the wall surface, the arm support stops driving the wall-through fire fighting device to move towards the wall, and the controller controls the driving motor 10 to stop rotating.

When the internal fire source is confirmed to be extinguished, the arm support drives the wall-penetrating fire extinguishing device to move to the outside of the wall, at the moment, the controller controls the driving motor 10 to drive the cutting head 1 to rotate, the cutting head 1 continues to cut the wall surface which obstructs the movement of the wall-penetrating fire extinguishing device, and the cutting head 1 is ensured to exit smoothly. After confirming the complete exit, the controller controls the water pump to stop working and controls the driving motor 10 to stop rotating.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A through-wall fire extinguishing device is characterized by comprising a cutting head (1), a cylinder body (6) and a water flow channel,

the water flow channel penetrates through the length direction of the cylinder (6), the cutting head (1) is hermetically mounted at one end of the cylinder (6) and can rotate, a cutting piece and a spray hole are arranged on the cutting head (1), and the spray hole is communicated with the flow channel and penetrates through the cutting head (1);

the water flow channel is a water pipe (7), the cylinder body (6) is arranged to be capable of rotating relative to the water pipe (7), the through-wall fire extinguishing device comprises a driving assembly for driving the cylinder body (6) to rotate, and the driving assembly is matched with the cylinder body (6) to drive the cylinder body (6) to rotate relative to the water pipe (7);

the driving assembly comprises a driving motor (10) and a gear set (8) connected with the driving motor (10), and the driving motor (10) is fixedly connected with one end, far away from the cutting head (1), of the water pipe (7) and drives the cylinder body (6) to rotate through the gear set (8);

a plurality of roller paths are arranged in a gap between the outer surface of the water pipe (7) and the inner surface of the barrel body (6) at intervals, and a plurality of balls (5) are arranged in each roller path.

2. A through-wall fire-extinguishing device according to claim 1, characterized in that the outer surface of the cylinder (6) is provided with a pressure-filling oil cup (4) communicating with the raceway.

3. A through-wall fire suppression apparatus as claimed in claim 1, wherein said spray orifices comprise a water spray orifice and a water mist spray orifice, said water spray orifice having a diameter greater than a diameter of said water mist spray orifice.

4. An arm support, characterized in that the arm support comprises an arm support body, a swing motor (11) and the through-wall fire extinguishing device as claimed in any one of claims 1 to 3, the cylinder (6) is arranged at the tail end of the arm support body, the rotating shaft of the swing motor (11) is fixedly connected with one end of the water pipe (7) far away from the cutting head (1) to drive the cylinder (6) to swing, and the base of the swing motor (11) is fixedly connected with the tail end of the arm support body.

5. The boom according to claim 4, characterized in that the boom comprises a controller electrically connected with the drive assembly and the swing motor (11) to control the rotation of the drive assembly and the swing motor (11).

6. The boom of claim 5, wherein a distance sensor is mounted on the boom and electrically connected to the controller.

7. Fire fighting vehicle, characterized in that it comprises a water supply device which can supply water to the water flow channel and an arm support according to any one of claims 4 to 6.