阅读说明：本技术 一种带导流板的中低倍复合消防泡沫炮 (Medium-low-power composite fire-fighting foam monitor with guide plate ) 是由 王丽晶 薛林 刘洪强 郝伟 杨峰 林佳 郝智强 路頔 于 2021-08-11 设计创作，主要内容包括：本发明涉及一种带导流板的中低倍复合消防泡沫炮,包括水管接头、流量切换器、泡沫罩、低倍泡沫筒、中倍数泡沫发生装置；流量切换器包括转动动力部件、转轴、导流球头、球形套管；球形套管包括一与水管接头连接的主接口和两个具有设定夹角的分支接口；导流球头为一设于球形套管内的阻挡部件；转动动力部件与转轴固定连接,能够带动转轴转动；摆杆能够带动导流球头在两个工位之间摆动,导流球头随转轴转动后,能分别堵住两个分支接口；两个分支接口其一与低倍泡沫筒连通,另一与中倍数泡沫发生装置连通。(The invention relates to a medium-low-power composite fire-fighting foam monitor with a flow guide plate, which comprises a water pipe joint, a flow switcher, a foam cover, a low-power foam cylinder and a medium-high-power foam generating device, wherein the flow switcher is connected with the water pipe joint; the flow switcher comprises a rotating power part, a rotating shaft, a flow guide ball head and a spherical sleeve; the spherical sleeve comprises a main interface connected with the water pipe joint and two branch interfaces with set included angles; the flow guiding ball head is a blocking part arranged in the spherical sleeve; the rotating power part is fixedly connected with the rotating shaft and can drive the rotating shaft to rotate; the swing rod can drive the flow guide ball head to swing between the two stations, and the flow guide ball head can respectively block the two branch interfaces after rotating along with the rotating shaft; one of the two branch interfaces is communicated with the low-power foam cylinder, and the other branch interface is communicated with the medium-power foam generating device.)

1. The utility model provides a take well low time compound fire control foam big gun of guide plate which characterized in that:

comprises a water pipe joint (1), a flow switcher (2), a low-power foam cylinder (3) and a medium-power foam generating device;

the flow switcher (2) comprises a rotating power part (21), a rotating shaft (22), a flow guide ball head (23) and a spherical sleeve;

the spherical sleeve comprises a main interface connected with the water pipe joint (1) and two branch interfaces with set included angles;

the flow guiding ball head (23) is a blocking component arranged in the spherical sleeve;

the rotating power part (21) is fixedly connected with the rotating shaft (22) and can drive the rotating shaft (22) to rotate; the swing rod can drive the flow guide ball head (23) to swing between two stations, and the flow guide ball head (23) can block two branch interfaces respectively after rotating along with the rotating shaft (22); one of the two branch interfaces is communicated with the low-multiple foam cylinder (3), and the other branch interface is communicated with the medium-multiple foam generating device.

2. The medium and low power composite fire-fighting foam monitor with the deflector as recited in claim 1, characterized in that: the low-power foam cylinder (3) and the medium-power foam generating device are arranged side by side.

3. The medium and low power composite fire-fighting foam monitor with the deflector as recited in claim 1, characterized in that: the low-power foam cylinder (3) is positioned inside the medium-power foam generating device.

4. The medium and low power composite fire-fighting foam monitor with the deflector as recited in claim 1, characterized in that: the medium-multiple foam generating device comprises a foam nozzle (4) and a foam cover (6), and the branch interface is communicated with the foam cover (6) through the foam nozzle (4).

5. The medium and low power composite fire-fighting foam monitor with the deflector as recited in claim 1, characterized in that:

an electric push rod device (5) is fixedly arranged on the foam cover (6), and the electric push rod device (5) comprises a fixing piece (51), a triangular fixing piece (54), a push rod (53) and a micro motor (52); the triangular fixing part (54) is hinged with the fixing part (51), the fixing part (51) is fixedly connected with a sleeve of the push rod (53), one end of the push rod (53) is arranged in the sleeve and can move along the sleeve, the other end of the push rod is hinged with the triangular fixing part (54), and the micro motor (52) provides moving power for the push rod (53);

triangle mounting (54) still with a guide plate (7) fixed connection, guide plate (7) are in but electric putter device (5) drive down the optional position between two limit stations of work: one is covered at the front part of the foam cover (6), and the other is contracted beside the foam cover (6).

6. The medium and low power composite fire-fighting foam monitor with the deflector as recited in claim 1, characterized in that: the cross-section of water conservancy diversion bulb (23) is fan-shaped, and it blocks and personally submits the spherical, the trompil sleeve is equipped with in pivot (22) outside, inserts through a pendulum rod between trompil sleeve and the water conservancy diversion bulb (23) and connects, and can drive block the part and swing between two stations.

7. The medium and low power composite fire-fighting foam monitor with the deflector as recited in claim 4, characterized in that: the foam nozzles (4) are arranged in parallel.

8. The medium and low power composite fire-fighting foam monitor with the deflector as recited in claim 5, characterized in that: the triangular fixing piece is provided with a long edge, and the long edge is attached to and fixedly connected with the guide plate (7).

9. The medium and low power composite fire-fighting foam monitor with the deflector as recited in claim 5, characterized in that: the medium-low-power composite fire-fighting foam monitor with the guide plate is fixed or movable, and the rotary power part (21) is remotely controlled.

10. The medium and low power composite fire-fighting foam monitor with deflector of claim 9, characterized in that: the micro motor (52) adopts remote control.

Technical Field

The invention relates to a medium-low-power composite fire-fighting foam monitor with a flow guide plate, and belongs to the technical field of fire-fighting foam monitors.

Background

The foam gun is fire extinguishing equipment commonly used in the fire fighting field, fire fighting water and foam concentrate are mixed in a foam proportion mixing device under certain pressure to form foam mixed liquid with a preset proportion, and foam is generated through a spray head to achieve the fire extinguishing effect. The foam cannons can be generally divided into low-power foam cannons, medium-power foam cannons and high-power foam generators according to different foaming ratios of the foam cannons.

The low-power foam cannon has the advantages of long range and capability of being used for long-distance fire extinguishing, the foaming rate of the medium-power foam cannon can reach 20-100 times, the fire extinguishing performance is excellent, but the low-power foam cannon is close in range and difficult to effectively extinguish for long-distance fire sources.

The main disadvantages of the traditional fire-fighting foam cannons for extinguishing fires are: the foam foaming form has single multiple, the use scene is limited, and the foaming efficiency and the range are difficult to be considered simultaneously.

Disclosure of Invention

The invention aims to provide a medium-low-power composite fire-fighting foam gun with a flow guide plate, which adopts a scheme that a foam liquid and water mixed solution enters equipment through a nozzle under the pressure supply of not less than 0.8MPa to form low-power and medium-power foam jet flows, the low-power foam jet flows to the surface of a burning fire to cool the burning fire, and the medium-power foam jet flows isolate surface air, so that the problem that the traditional foam gun is limited by a range or fire extinguishing efficiency is solved, and the foam gun has the advantages of improving the foam jet flow distance, the overflow speed of the foam jet flow on the burning surface and increasing the fire extinguishing efficiency.

The invention adopts the following technical scheme:

a middle-low-power composite fire-fighting foam monitor with a guide plate comprises a water pipe joint 1, a flow switcher 2, a low-power foam cylinder 3 and a middle-low-power foam generating device; the flow switcher 2 comprises a rotating power part 21, a rotating shaft 22, a flow guide ball head 23 and a spherical sleeve; the spherical sleeve comprises a main interface connected with the water pipe joint 1 and two branch interfaces with set included angles; the flow guiding ball head 23 is a blocking component arranged in the spherical sleeve; the rotating power part 21 is fixedly connected with the rotating shaft 22 and can drive the rotating shaft 22 to rotate; the swing rod can drive the diversion bulb 23 to swing between two stations, and the diversion bulb 23 can block two branch interfaces after rotating along with the rotating shaft 22; one of the two branch interfaces is communicated with the low-multiple foam cylinder 3, and the other branch interface is communicated with the medium-multiple foam generating device.

Preferably, the low-power foam cylinder 3 is arranged side by side with the medium-power foam generating device.

Preferably, the low-power foam cylinder 3 is positioned inside the medium-power foam generating device.

Preferably, the medium-expansion foam generating device comprises a foam nozzle 4 and a foam cover 6, and the branch interface is communicated with the foam cover 6 through the foam nozzle 4.

Preferably, an electric push rod device 5 is fixedly arranged on the foam hood 6, and the electric push rod device 5 comprises a fixing member 51, a triangular fixing member 54, a push rod 53 and a micro motor 52; the triangular fixing part 54 is hinged with the fixing part 51, the fixing part 51 is fixedly connected with a sleeve of the push rod 53, one end of the push rod 53 is arranged in the sleeve and can move along the sleeve, the other end of the push rod 53 is hinged with the triangular fixing part 54, and the micro motor 52 provides moving power for the push rod 53; the triangular fixing part 54 is further fixedly connected with a guide plate 7, and the guide plate 7 can work at any position between two limit stations under the driving of the electric push rod device 5: one is hidden in the front of the foam cover 6, and the other is shrunk beside the foam cover 6.

Preferably, the cross section of the diversion bulb 23 is fan-shaped, the blocking surface of the diversion bulb 23 is spherical, the outer side of the rotating shaft 22 is provided with an opening sleeve, the opening sleeve and the diversion bulb 23 are connected in an inserting mode through a swing rod, and the blocking part can be driven to swing between two stations.

Further, the foam nozzle 4 is provided with two parallel foam nozzles.

Furthermore, the triangular fixing part is provided with a long edge, and the long edge is attached to and fixedly connected with the guide plate 7.

Furthermore, the medium-low-power composite fire-fighting foam monitor with the guide plate is fixed or movable, and the rotary power part 21 is controlled remotely.

Further, the micro motor 52 is remotely controlled.

The invention has the beneficial effects that:

1) the modular design is adopted to decouple the dependence of the fire-fighting foam monitor and the base, and the fire-fighting foam monitor can be configured into a plurality of deployment forms such as a fixed type, a movable type, an electric control movable type and a hydraulic control type in practical application, so that the using maneuverability and the mechanization degree are improved.

2) The foam with different decomposition degrees and different foaming multiples is subjected to oscillation mixing at a certain frequency to generate the high-foaming-multiple and long-range mesomultiple foam liquid, so that the range of the traditional mesomultiple foam gun is greatly increased, the actual effect of the traditional mesomultiple foam gun is increased by 8-10 times compared with that of the traditional equipment, and the safety of rescuers is improved.

3) By the mode of combining the medium and low-power foams, the low-power foams are sprayed to the surface of an object to perform a cooling function in a limited way, and the medium-power foams jet flow isolates surface air, so that the damage degree of the medium-power foams is reduced, the flowing speed of the foams on the combustible liquid surface is increased, and the fire extinguishing efficiency is improved.

4) The flow of the low-power foam cylinder pipeline and the medium-power foam cylinder pipeline are controlled through the flow switcher, the fire extinguishing device can be simultaneously suitable for close range and remote range fire extinguishing, and the limited use scene of a single foam gun is widened.

5) The problem of traditional foam big gun or be limited by range or be limited by fire extinguishing efficiency is solved, have the advantage that improves foam jet distance, foam jet at combustion surface overflow speed, increase fire extinguishing efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the medium-low-power composite fire-fighting foam monitor with a deflector according to the present invention.

FIG. 2 is an axonometric view of the medium-low power composite fire-fighting foam monitor with a deflector, which is not separated from the deflector in two states.

Fig. 3 is a schematic structural view of the electric putter device.

Fig. 4 is a top view of the baffle in an unseparated state and a separated state.

Fig. 5 is an overall configuration diagram of the flow rate switcher.

Fig. 6a is a cross-sectional view of the flow switch when the middle-power foam tube is in operation.

FIG. 6b is a cross-sectional view of the flow switch with the medium and low power foam tubes working together.

Fig. 6c is a cross-sectional view of the low-power foam tube working together with the flow switch.

Fig. 7 is a schematic view of an embodiment of a baffle installation location.

Fig. 8 is a schematic view of another embodiment of a baffle mounting location.

FIG. 9 is a schematic view of an embodiment of a low power foam cartridge mounted in juxtaposition with a foam cap.

FIG. 10 is a schematic view of an embodiment of a low power foam cartridge installed inside a foam hood.

In the figure, 1, a water pipe joint, 2, a flow switcher, 3, a low-power foam cylinder, 4, a foam nozzle, 5, an electric push rod, 6, a foam cover, 7, a guide plate, 21, a rotating handle, 22, a rotating shaft, 23, a guide ball head, 51, a fixing piece, 52, a micro motor, 53, a push rod and 54, a triangular fixing piece are arranged.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

Referring to fig. 1-10, a medium-low-power composite fire-fighting foam monitor with a guide plate comprises a water pipe joint 1, a flow switcher 2, a low-power foam cylinder 3 and a medium-power foam generating device; the flow switcher 2 comprises a rotating power part 21, a rotating shaft 22, a flow guide ball head 23 and a spherical sleeve; the spherical sleeve comprises a main interface connected with the water pipe joint 1 and two branch interfaces with set included angles; the flow guiding ball head 23 is a blocking component arranged in the spherical sleeve; the rotating power part 21 is fixedly connected with the rotating shaft 22 and can drive the rotating shaft 22 to rotate; the swing rod can drive the diversion bulb 23 to swing between two stations, and the diversion bulb 23 can block two branch interfaces after rotating along with the rotating shaft 22; one of the two branch interfaces is communicated with the low-multiple foam cylinder 3, and the other branch interface is communicated with the medium-multiple foam generating device.

In this embodiment, the low-power foam cartridge 3 is arranged side by side with the medium-power foam generating means, see e.g. 1 and 9.

In another embodiment, referring to fig. 10, the low-power foam cartridge 3 is located inside a medium-power foam generating device.

Referring to fig. 1, the medium-expansion foam generating device comprises a foam nozzle 4 and a foam cover 6, and the branch interface is communicated with the foam cover 6 through the foam nozzle 4.

Referring to fig. 3, an electric push rod device 5 is fixedly arranged on the foam hood 6, and the electric push rod device 5 includes a fixing member 51, a triangular fixing member 54, a push rod 53, and a micro motor 52; the triangular fixing part 54 is hinged with the fixing part 51, the fixing part 51 is fixedly connected with a sleeve of the push rod 53, one end of the push rod 53 is arranged in the sleeve and can move along the sleeve, the other end of the push rod 53 is hinged with the triangular fixing part 54, and the micro motor 52 provides moving power for the push rod 53; the triangular fixing part 54 is further fixedly connected with a guide plate 7, and the guide plate 7 can work at any position between two limit stations under the driving of the electric push rod device 5: one is hidden in the front of the foam cover 6, and the other is shrunk beside the foam cover 6.

There are various mounting positions of the electric putter device 5 and the air guide plate 7, and two types of mounting positions are exemplified herein, one of which is shown in fig. 7, in which the electric putter device 5 is mounted on one side of the foam cover, and the other is shown in fig. 8, in which the electric putter device 5 is mounted on both sides of the foam cover.

Referring to fig. 6, the cross section of the diversion bulb 23 is fan-shaped, the blocking surface of the diversion bulb is spherical, the rotating shaft 22 is sleeved with an opening sleeve, the opening sleeve and the diversion bulb 23 are connected in an inserting manner through a swing rod, and the diversion bulb 23 can be driven to swing between two stations.

Referring to fig. 1, the foam nozzle 4 is provided with two in parallel.

Referring to fig. 4, the triangular fixing member has a long side, and the long side is attached to and fixedly connected with the baffle 7.

In this embodiment, the medium-low composite fire-fighting foam monitor with the deflector is fixed or movable, and the rotary power part 21 can be remotely controlled. The micro-motor 52 is controlled remotely.

In specific implementation, the water pipe joint 1 is connected with an external foam mixed liquid supply pipe. The scheme that the foam liquid and water mixed liquid enters equipment through a nozzle under the pressure supply of not less than 0.8MPa to form low-power and medium-power foam jet flows, the low-power jet flows are firstly hit to the surface of a burning fire to be cooled, and the medium-power foam jet flows isolate surface air is adopted, so that the problem that the traditional foam cannon is low in foam cannon or is limited by a firing range or is limited by fire extinguishing efficiency is solved, and the foam cannon has the advantages of improving foam jet flow distance, increasing the overflow speed of the foam jet flows on the burning surface and increasing the fire extinguishing efficiency.

The foam gun is composed of a pipeline, a switch and a medium-and-low-expansion foam nozzle, under the pressure of not less than 0.8MPa, foams with different decomposition degrees and different foaming multiples are subjected to oscillation mixing at a certain frequency to generate medium-and-low-expansion foam mixed liquid with high foaming multiple and long range, the medium-and-low-expansion foam is sprayed to the surface of a burning object to play a cooling function, and the medium-and-low-expansion foam jet flow isolates the air on the surface, so that the damage strength of the medium-and-low-expansion foam is greatly reduced, the fire extinguishing efficiency is improved, and the foam gun is particularly suitable for various foams, and comprises (fluorinated) foam extinguishing agents with the concentration of 2% -6% and foam extinguishing agents with the concentration of 1% -6%. In actual use, through the flow switch, a single low-power foam gun mode, a single medium-power foam gun mode and a medium-low-power foam gun mixed mode can be realized.

In the actual working process, the handle 21 is rotated to drive the inner shaft 22 of the flow switcher and the flow guide ball head 23 to rotate, so that the flow is distributed in the upper and lower pipelines, and further, the low-power foam cannon works independently, the medium-power foam cannon works independently and the medium-low-power foam cannon works together.

In the actual working process, the fixing piece 51 is fixed on the outer wall of the foam hood 6, symmetrically arranged on two sides of the vertical symmetrical plane and hinged with the motor push rod, the micro motor 52 drives the push rod 53 to do linear motion, and the triangular fixing piece 54 is connected with the guide plate 7 (left/right) to further drive the guide plate to rotate, so that the separation and combination of the guide plate are realized.

Regarding the baffle function: the guide plate mainly plays the effect that can change the foam flow direction, and figure 7 arranges down and reduces the foam through the degree of opening and shutting of adjusting the separation guide plate and to the runaway all around, improves the guidance quality of foam, and figure 8 arranges down the foam and can directly adjust foam emergence angle with the help of the guide plate reflection, and the gap reflection forms protected foam curtain (similar protection water curtain) between foam cover and guide plate under the full mergence condition.

The invention maintains the traditional low-power and medium-power simultaneous injection, increases the low-power and medium-power independent injection function and gradually releases and pushes the foam covering layer.

The use method comprises the following steps: firstly, using low-multiple foam or medium-low multiple composite foam to put out a fire at a high flow; and then the medium-multiple foam cannon is used for propelling the low-multiple foam covering layer to extend forwards, the propelling speed is enhanced, the foam overlapping covering effect is formed, and the afterburning is prevented.

While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.