CN111437554B

CN111437554B - Fire-fighting lance

Info

Publication number: CN111437554B
Application number: CN202010275187.1A
Authority: CN
Inventors: 杨寿宝
Original assignee: KAIPING LONGAN FIRE FIGHTING EQUIPMENT PLANT CO Ltd
Current assignee: KAIPING LONGAN FIRE FIGHTING EQUIPMENT PLANT Co.,Ltd.
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-08-20
Anticipated expiration: 2040-04-09
Also published as: CN111437554A

Abstract

The invention discloses a fire-fighting lance, which structurally comprises a water outlet pipe, a spray head, a fire-fighting joint, an auxiliary material pipe and a control handle, wherein the spray head is embedded in the top end of the water outlet pipe; the stirring block comprises a guide block, a groove and a stirring device; the stirring device is arranged in the stirring block, the stirring slurry is driven to rotate by the flowing mixed liquid, so that the mixed liquid can be stirred by stirring, the mixed liquid can generate a large amount of foam under the action of the stirring slurry, and the condition that the mixed liquid falls on a combustion object and cannot isolate the fire for a long time due to too little foam in the mixed liquid sprayed by the spray head is avoided.

Description

Fire-fighting lance

Technical Field

The invention relates to the field of fire fighting devices, in particular to a fire-fighting lance.

Background

When a fire fighter extinguishes a fire, a fire-fighting lance is arranged on a fire-fighting water pipe, and then water is sprayed to a high place or a distant place from a spray head to extinguish the fire, so that the fire-fighting lance is a common fire-fighting tool; when putting out a fire, the fire fighter utilizes foam concentrate and water mixture to form mixed liquid, and the mixed liquid has the effect of cooling down, and the foam that lets the mixed liquid produce still has the effect of short time isolation intensity of a fire with the effect of comburent contact, just can keep apart the spreading of avoiding the intensity of a fire for a long time to the intensity of a fire if will put out the intensity of a fire and need let the mixed liquid produce a large amount of foams and comburent contact.

Based on the discovery of the inventor, the existing fire-fighting lance mainly has the following defects, such as: when putting out a fire, mix liquid and pass the clearance of grating board at the net through the squirt and rub and produce the foam, then directly spray from the squirt, lead to mixing liquid only can produce a small amount of foam in the squirt for the foam that contains in the mixed liquid that sprays is too few, causes to mix the liquid and falls on the comburent and can not reach the effect of long-time isolation intensity of a fire.

Disclosure of Invention

In order to solve the problems, the invention provides a fire-fighting lance.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a fire-fighting lance, its structure includes outlet pipe, shower nozzle, fire control joint, auxiliary material pipe, control handle, the shower nozzle has been inlayed on the top of outlet pipe, the bottom at the outlet pipe is installed to the fire control joint, auxiliary material pipe inlays admittedly in outlet pipe side bottom, the control handle welding is in the centre of outlet pipe, the inside of outlet pipe is equipped with water valve, stirring piece, the inboard at the outlet pipe is installed to the water valve, the upper end at water valve is inlayed admittedly to the stirring piece.

Further, the stirring block includes guide block, recess, agitating unit, the guide block is equipped with two, be equipped with the recess in the guide block, agitating unit installs directly over the recess, agitating unit's both sides are connected with the outlet pipe, the guide block is 45 degrees with the contained angle between the stirring block.

Further, agitating unit comprises bearing, support column, pivot, stirring thick liquid, the bearing is equipped with two, the bearing inlays respectively and fixes in the both sides of outlet pipe, the pivot is installed at the both ends of support column, the pivot block is in the bearing, stirring thick liquid bolted connection is on the support column, stirring thick liquid is equipped with threely, stirring thick liquid encircles the surface arrangement in the support column.

Further, mix the thick liquid and be equipped with through-hole, produce bubble piece, fixing base, the surface of stirring the thick liquid is located to the through-hole, it inlays admittedly in the through-hole to produce the bubble piece, the fixing base inlays admittedly in the bottom of stirring the thick liquid, the through-hole is equipped with more than ten, through-hole transverse arrangement is in the upper end of stirring the thick liquid, it is equipped with more than ten to produce the bubble piece.

Further, it is equipped with inlet, bubble production board, dead lever to produce the bubble piece, the bottom of bubble production piece is located to the inlet, the bubble production board inlays the top at the bubble production piece, the dead lever is equipped with two, the both ends at the bubble production piece are installed respectively to the dead lever, the inlet is coniform.

Further, it is equipped with flow groove, the mouth that flows to produce the bubble board, flow groove locates the inside of producing the bubble board, it is equipped with more than ten to flow the mouth, it divide into two rows to flow the mouth, and one row locates the upper end of producing the bubble board, and the lower extreme of producing the bubble board is located to another row to two rows of positions that flow the mouth stagger and discharge, it is coniform to flow the mouth.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. the stirring device is arranged in the stirring block, the stirring slurry is driven to rotate by the flowing mixed liquid, so that the mixed liquid can be stirred by stirring, the mixed liquid can generate a large amount of foam under the action of the stirring slurry, and the condition that the mixed liquid falls on a combustion object and cannot isolate the fire for a long time due to too little foam in the mixed liquid sprayed by the spray head is avoided.

2. The invention divides more than ten foam-producing plates into two rows, and the two rows of foam-producing plates are arranged in a staggered manner, so that the mixed liquid can be rapidly impacted when flowing into the flow groove, and the mixed liquid can generate foam through impact, so that more foam can be produced by the stirring device, and the mixed liquid falls on the combustion objects to have better effect of isolating fire.

Drawings

Fig. 1 is a schematic front view of a fire-fighting lance according to the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

FIG. 3 is a schematic cross-sectional view of the agitating mass of the present invention.

Fig. 4 is a schematic sectional structure view of an agitating apparatus of the present invention.

FIG. 5 is a schematic sectional view of the agitation slurry of the present invention.

FIG. 6 is a schematic cross-sectional view of the bubble producing block of the present invention.

Fig. 7 is a schematic sectional structure view of the foam producing board of the present invention.

In the figure: the device comprises a water outlet pipe 1, a spray head 2, a fire-fighting joint 3, an auxiliary material pipe 4, a control handle 5, a water through valve 11, a stirring block 12, a guide block 121, a groove 122, a stirring device 123, a bearing a1, a support column a2, a rotating shaft a3, stirring slurry a4, a through hole a41, a foam generating block a42, a fixed seat a43, a liquid inlet b1, a foam generating plate b2, a fixed rod b3, a flow groove b21 and a flow port b 22.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The first embodiment is as follows: referring to fig. 1-4, the embodiments of the present invention are as follows: its structure includes outlet pipe 1, shower nozzle 2, fire control joint 3, auxiliary material pipe 4, control handle 5, shower nozzle 2 has been inlayed on the top of outlet pipe 1, fire control joint 3 installs in the bottom of outlet pipe 1, auxiliary material pipe 4 inlays admittedly in outlet pipe 1 side bottom, control handle 5 welds in the centre of outlet pipe 1, the inside of outlet pipe 1 is equipped with water service valve 11, stirs piece 12, water service valve 11 is installed in the inboard of outlet pipe 1, stir piece 12 and inlay admittedly in water service valve 11's upper end.

Stirring piece 12 includes guide block 121, recess 122, agitating unit 123, guide block 121 is equipped with two, be equipped with recess 122 in the guide block 121, agitating unit 123 installs directly over recess 122, agitating unit 123's both sides are connected with outlet pipe 1, the contained angle between guide block 121 and the stirring piece 12 is 45 degrees, is favorable to leading the upper end of mixing liquid stirring unit 123, strengthens the velocity of flow of mixing liquid of agitating unit 123 for agitating unit 123 can more fast rotatory stirring.

The stirring device 123 comprises a bearing a1, a support column a2, a rotating shaft a3 and stirring slurry a4, the number of the bearings a1 is two, the bearings a1 are respectively embedded in two sides of the water outlet pipe 1, the rotating shaft a3 is installed at two ends of the support column a2, the rotating shaft a3 is clamped in the bearing a1, the stirring slurry a4 is in bolted connection with the support column a2, the number of the stirring slurry a4 is three, and the stirring slurry a4 surrounds the outer surface of the support column a2 to be arranged, so that the stirring slurry a4 can stir the mixed liquid continuously.

The stirring paddle a4 is provided with a through hole a41, a foam generating block a42 and a fixed seat a43, the through hole a41 is arranged on the outer surface of the stirring paddle a4, the foam generating block a42 is embedded in the through hole a41, the fixed seat a43 is embedded at the bottom end of the stirring paddle a4, the through hole a41 is provided with more than ten, the through hole a41 is transversely arranged at the upper end of the stirring paddle a4, and the foam generating block a42 is provided with more than ten, so that the foam generating of the mixed liquid by the foam generating blocks a42 is facilitated.

Based on the above embodiment, the specific working principle is as follows: utilize fire control joint 3 to be connected with the fire hose, then open water valve 11, make water leading-in to outlet pipe 1 from fire control joint 3, leading-in foam concentrate to outlet pipe 1 from auxiliary material pipe 4, make foam concentrate and water mix together, utilize the angle between guide block 121 and outlet pipe 1 to be 45 degrees, make the mixed liquid can flow to the upper end of agitating unit 123 through the direction of guide block 121, thereby can let the mixed liquid that flows drive pivot a3 that is connected with stirring thick liquid a4 anticlockwise rotation in bearing a1, make the mixed liquid can produce a large amount of foams through the stirring of stirring thick liquid a4, will erupt the mixed liquid and can the long-time isolation intensity of a fire of combustion object contact.

Example two: referring to fig. 5-7, the embodiment of the present invention is as follows: the bubble producing block a42 comprises a liquid inlet b1, bubble producing plates b2 and fixing rods b3, the bubble producing plates b2 are embedded and fixed right above the liquid inlet b1, the number of the fixing rods b3 is two, the fixing rods b3 are respectively installed at two ends of the bubble producing block a42, and the liquid inlet b1 is conical, so that concentrated mixed liquid can enter the bubble producing block a 42.

The foam generating plate b2 is provided with a flow groove b21 and a flow port b22, the flow groove b21 is arranged inside the foam generating plate b2, the flow port b22 is more than ten, the flow ports b22 are divided into two rows, one row is arranged at the upper end of the foam generating plate b2, the other row is arranged at the lower end of the foam generating plate b2, the positions of the two rows of flow ports b22 are staggered and arranged, and the flow port b22 is conical, so that the mixed liquid can rapidly flow out of the flow port b22 from the flow groove b21 to generate foam.

Based on the above embodiment, the specific working principle is as follows: more than ten through holes a41 are transversely arranged at the upper end of the stirring slurry a4, the foam generating block a42 is arranged in the through hole a41, the mixed liquid is intensively guided into the foam generating block a42 by using a conical liquid inlet b1, so that the mixed liquid can be fully contacted with a foam generating plate b2, more than ten flow ports b22 in the foam generating plate b2 are arranged and divided into two rows, one row is arranged at the upper end of a foam generating plate b2, the other row is arranged at the lower end of a foam generating plate b2, and the positions of the two rows of flow ports b22 are staggered and discharged, so that when the mixed liquid flows out from the flow port b22, because the flow ports b22 are staggered and discharged, the mixed liquid can generate rapid impact when entering the flow groove b21, so that the mixed liquid can generate more bubbles under the action of the foam generating plate b2, and the mixed liquid is contacted with a combustion object, thereby improving the fire isolating effect.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fire-fighting lance, its structure includes outlet pipe (1), shower nozzle (2), fire control joint (3), assists material pipe (4), control handle (5), inherent shower nozzle (2) are inlayed on the top of outlet pipe (1), the bottom at outlet pipe (1) is installed in fire control joint (3), assist material pipe (4) to inlay in outlet pipe (1) side bottom, control handle (5) welding is in the centre of outlet pipe (1), its characterized in that: a water through valve (11) and a stirring block (12) are arranged in the water outlet pipe (1), the water through valve (11) is installed on the inner side of the water outlet pipe (1), and the stirring block (12) is embedded at the upper end of the water through valve (11); the stirring block (12) comprises two guide blocks (121), two grooves (122) and two stirring devices (123), the grooves (122) are formed in the guide blocks (121), the stirring devices (123) are installed right above the grooves (122), and two sides of each stirring device (123) are connected with the water outlet pipe (1); the stirring device (123) consists of two bearings (a1), a support column (a2), a rotating shaft (a3) and stirring slurry (a4), the bearings (a1) are respectively embedded at two sides of the water outlet pipe (1), the rotating shaft (a3) is installed at two ends of the support column (a2), the rotating shaft (a3) is clamped in the bearing (a1), and the stirring slurry (a4) is connected to the support column (a2) through bolts; the stirring paddle (a4) is provided with a through hole (a41), a foam generating block (a42) and a fixed seat (a43), the through hole (a41) is arranged on the outer surface of the stirring paddle (a4), the foam generating block (a42) is embedded in the through hole (a41), and the fixed seat (a43) is embedded at the bottom end of the stirring paddle (a 4); the bubble producing block (a42) consists of a liquid inlet (b1), bubble producing plates (b2) and fixing rods (b3), the bubble producing plates (b2) are embedded and fixed right above the liquid inlet (b1), two fixing rods (b3) are arranged, and the fixing rods (b3) are respectively installed at two ends of the bubble producing block (a 42); the bubble generating plate (b2) comprises a flow groove (b21) and flow ports (b22), wherein the flow groove (b21) is arranged inside the bubble generating plate (b2), the flow ports (b22) are more than ten, the flow ports (b22) are divided into two rows, one row is arranged at the upper end of the bubble generating plate (b2), the other row is arranged at the lower end of the bubble generating plate (b2), and the positions of the two rows of flow ports (b22) are staggered and discharged;

the fire-fighting joint (3) is connected with a fire-fighting hose, then the water valve (11) is opened, water is led into the water outlet pipe (1) from the fire-fighting joint (3), foam concentrate is led into the water outlet pipe (1) from the auxiliary pipe (4), then the mixed liquid can flow to the upper end of the stirring device (123) through the guide of the guide block (121) by utilizing the angle between the guide block (121) and the water outlet pipe (1) of 45 degrees, so that the flowing mixed liquid can drive the rotating shaft (a3) connected with the stirring paddle (a4) to rotate anticlockwise in the bearing (a1), and a large amount of foam can be generated by the stirring of the mixed liquid (a 4); ten or more through holes (a41) are transversely arranged at the upper end of the stirring pulp (a4), a bubble generating block (a42) is arranged in the through hole (a41), the mixed liquid is intensively guided into the bubble generating block (a42) by a conical liquid inlet (b1) so that the mixed liquid can be in full contact with a bubble generating plate (b2), ten or more flow ports (b22) in the bubble generating plate (b2) are arranged and divided into two rows, one row is arranged at the upper end of the bubble generating plate (b2), the other row is arranged at the lower end of the bubble generating plate (b2), and the positions of the two rows of flow ports (b22) are staggered and discharged, so that when the mixed liquid flows out from the flow port (b22), because the flow ports (b22) are staggered and discharged, the mixed liquid can be rapidly collided when entering the flow tank (b21) to generate foam, and more bubbles can be produced by the mixed liquid generated by the action of the bubble generating plate (b2), the effect of isolating the fire can be improved by contacting the mixed liquid with the combustion products.