CN203886071U - Direct-flow spray dual-purpose fire-fighting water cannon head - Google Patents
Direct-flow spray dual-purpose fire-fighting water cannon head Download PDFInfo
- Publication number
- CN203886071U CN203886071U CN201420326523.0U CN201420326523U CN203886071U CN 203886071 U CN203886071 U CN 203886071U CN 201420326523 U CN201420326523 U CN 201420326523U CN 203886071 U CN203886071 U CN 203886071U
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- big gun
- gun head
- screw
- sealing ring
- spray nozzle
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a direct-flow spray dual-purpose fire-fighting water cannon head mainly comprising a cannon body, a sealing ring I, a cannon head connector, a sealing ring II, a cannon head body, a space ring, a hexagon nut, an atomization spray nozzle, a sealing ring III, a spray nozzle core bracket, a spray nozzle core screw rod, a sealing ring IV, a spray nozzle core, a cap nut, a bolt connecting component, screws, a push rod, a push rod base, a push screw rod, a pressure plate, cylinder head screws, a flat key, hexagon socket head cap screws, a motor base connecting plate, a motor output shaft, a cannon head connector connecting plate and a motor base. The fire-fighting water cannon head is driven by a motor; the rolling torque of the motor output shaft is converted into the linear motion of the atomization spray nozzle by virtue of the push screw rod and a push rod screw pair; by changing the relative positions of the atomization spray nozzle and the spray nozzle core, the automatic and stable conversion of two jet modes, namely direct-flow injection and atomization injection, can be achieved. The fire-fighting water cannon head is locomotive and flexible in operation, simple, convenient and reliable, and is especially suitable for occasions that people are hard to approach and fire conditions are complex.
Description
Technical field
The utility model relates to a kind of fire water monitor head, relates in particular to a kind of direct current spray dual-purpose type fire water monitor head.
Background technology
Fire water monitor head is a critical component in fire water monitor design, and it is the potential energy of pressure flow to be converted into the final tache of kinetic energy, but also is determining the spray regime of fire water monitor.The water jets that fire water monitor head sprays has direct current injection and two kinds of canonical forms of spray injection, generally by the relative position between change spray nozzle and nozzle core, realizes the transformation of direct current injection and spray injection.
Along with the development of economic society, fire frequency is increasing, and it is complicated that the condition of a disaster is also tending towards.For tackling the condition of a disaster under different situations, direct current spray dual-purpose type fire water monitor is used widely.Direct jet can carry out advantage counterattack to naked light, mainly makes remote pointing fire-extinguishing; Spraying jet is that form with water smoke is to scene of fire and around spray, can play the effect of burning things which may cause a fire disaster and the isolation of scene of fire ambient oxygen, stop burning area further to expand, can be used for the water-insoluble flammable liquids such as cut oil, thereby break off the fire supply compacting intensity of a fire.
The method that realizes at present direct current injection and spray injection mainly contains hydro powered, manually control, hydraulic-driven and automatically controlled driving etc.Hydro powered mechanism is simple, volume is also less, but its device response is slower, and position control accuracy is not high; Manually controlling is manually to change spray regime by personnel, carries out fire-fighting more difficult for the approaching place of the more complicated personnel of being not suitable for of certain situation; Use hydraulically powered structural volume larger, during for shipment fire water monitor, make troubles; Automatically controlled fire water monitor head is generally to control the axially-movable of fire water monitor spray nozzle by alternating current generator or stepper motor driving device transmission mechanism, thereby realize, direct current sprays and the conversion of two kinds of modes of spray injection, but the mechanical transmission mechanism of existing electric-controlled type fire water monitor head is more complicated.
Summary of the invention
In order to overcome the problem existing in background technology and to meet actual fire-fighting operational need, the utility model provides a kind of direct current spray dual-purpose type fire water monitor head.This fire water monitor head drives lead-screw to rotate by motor, the rotation of motor is converted to the movement of push rod by screw pair transmission mechanism, by motor positive and inverse, realize spray nozzle and axially move forward and backward, by the relative position changing between spray nozzle and nozzle core, reach the object that direct current sprays and spray injection is changed mutually.This fire water monitor head is controlled by electric power, easy and simple to handle reliable, without changing water cannon big gun head inner body, just can meet the demand of different spray regimes.
The utility model solves the technical scheme that its technical problem adopts and comprises: barrel, sealing ring I, big gun head joint, sealing ring II, big gun head body, spacer ring, hex nut, spray nozzle, sealing ring III, nozzle core support, nozzle core screw rod, sealing ring IV, nozzle core, acorn nut, bolt connection piece, screw, push rod, ram seat, lead-screw, pressing plate, fillister head screw, flat key, hexagon socket cap head screw, electric machine stand connecting plate, motor output shaft, big gun head joint connecting plate and electric machine stand, nozzle core is connected with nozzle core screw flight respectively with nozzle core support, and nozzle core one end is fixed by acorn nut, and nozzle core support one end is fixed by hex nut, big gun head body end inner side is connected with big gun head joint outside screw, and locates by big gun head joint convex shoulder, passes through screw lock simultaneously, big gun head body inner side and spacer ring interference fits, nozzle core support is being supported in spacer ring one end, the spacer ring other end and big gun head joint end interference fits, matched in clearance inside big gun head body outside and spray nozzle, and spray nozzle can be along big gun head body shaft to slidably reciprocating, bolt connection piece one end is threaded with spray nozzle projection, and the bolt connection piece other end is fixedly connected with push rod by screw, the end of lead-screw is threaded with push rod, lead-screw the other end is fixedly connected with motor output shaft by flat key, lead-screw is placed in push rod, and compresses by pressing plate, prevents from moving radially, ram seat is fixed on electric machine stand by four uniform fillister head screws, push rod and ram seat matched in clearance, push rod can be along ram seat axially-movable, in the middle of electric machine stand and big gun head joint, be furnished with electric machine stand connecting plate and big gun head joint connecting plate, big gun head joint connecting plate is fixedly connected with big gun head joint by hexagon socket cap head screw, big gun head joint connecting plate, electric machine stand connecting plate are fixedly connected with by screw with electric machine stand, big gun head joint and barrel are threaded, big gun head joint inner side seals by sealing ring I with barrel outside, big gun head body inner side seals by sealing ring II with big gun head joint outside, big gun head body outside seals by sealing ring III and sealing ring IV with spray nozzle inner side.
The utility model is compared with background technology, and the beneficial effect having is:
(1) the utility model is without changing water cannon big gun head inner body, the way of output that only need control motor just can reach the automatic steady conversion of direct current injection and two kinds of mode of jet of spray injection, motor driver operation is easy flexibly, fast and reliable, different fire condition and the more inapproachable complicated fire of fire-fighting combatant place can be adapted to, and fire fighter's fire-fighting work efficiency can be effectively increased.
(2) direct current spray screw pair is converted into electric machine rotation after the motion of push rod axis direction, then is bolted part and is delivered on spray nozzle.No matter motor forward is reversed, and all can guarantee the stability of mechanical transmission mechanism.
Accompanying drawing explanation
Structural representation when Fig. 1 is the utility model spray injection state.
Structural representation when Fig. 2 is the utility model direct current spray regime.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises barrel 1, sealing ring I 2, big gun head joint 3, sealing ring II 4, big gun head body 5, spacer ring 6, hex nut 7, spray nozzle 8, sealing ring III 9, nozzle core support 10, nozzle core screw rod 11, sealing ring IV 12, nozzle core 13, acorn nut 14, bolt connection piece 15, screw 16, push rod 17, ram seat 18, lead-screw 19, pressing plate 20, fillister head screw 21, flat key 22, hexagon socket cap head screw 23, electric machine stand connecting plate 24, motor output shaft 25, big gun head joint connecting plate 26 and electric machine stand (27).
Nozzle core 13 and nozzle core support 10 are threaded with nozzle core screw rod 11 respectively, and nozzle core 13 one end are fixed by acorn nut 14, and nozzle core support 10 one end are fixed by hex nut 7; Big gun head body 5 inner sides, end are connected with big gun head joint 3 outside screw, and locate by big gun head joint 3 convex shoulders, pass through screw lock simultaneously; Big gun head body 5 inner sides and spacer ring 6 interference fits; Nozzle core support 10 is being supported in spacer ring 6 one end, spacer ring 6 other ends and big gun head joint 3 end interference fits; Big gun head body 5 outsides and spray nozzle 8 inner side matched in clearance, and spray nozzle 8 can axially slidably reciprocate along big gun head body 5; Bolt connection piece 15 one end are threaded with spray nozzle 8 projections, and bolt connection piece 15 other ends are fixedly connected with push rod 17 by screw 16; The end of lead-screw 19 is threaded with push rod 17; Lead-screw 19 the other end are fixedly connected with motor output shaft 25 by flat key 22; Lead-screw 19 is placed in push rod 17, and compresses by pressing plate 20, prevents from moving radially; Ram seat 18 is fixed on electric machine stand 27 by four uniform fillister head screws 21; Push rod 17 and ram seat 18 matched in clearance, push rod 17 can be along ram seat 18 axially-movables; In the middle of electric machine stand 27 and big gun head joint 3, be furnished with electric machine stand connecting plate 24 and big gun head joint connecting plate 26, big gun head joint connecting plate 26 is fixedly connected with big gun head joint 3 by hexagon socket cap head screw 23; Big gun head joint connecting plate 26, electric machine stand connecting plate 24 are fixedly connected with by screw with electric machine stand 27; Big gun head joint 3 and barrel 1 are threaded.
Big gun head joint 3 inner sides and barrel 1 outside seal by sealing ring I 2; Big gun head body 5 inner sides and big gun head joint 3 outsides seal by sealing ring II 4; Big gun head body 5 outsides and spray nozzle 8 inner sides seal by sealing ring III 9 and sealing ring IV 12.
Structural representation while Figure 1 shows that the utility model spray injection state, now spray nozzle 8 is concordant with nozzle core 13 end faces, makes the vanishing of jet expansion segment length.During due to water flow jet, there is no the constraint of spray nozzle 8, after jet hole ejection, with certain angle directive air, high-velocity flow and windage form water smoke, and current are spray injection state and penetrate.
Structural representation while Figure 2 shows that the utility model direct current spray regime, now spray nozzle 8 in axial direction moves forward, make nozzle exit length of straigh line the longest, the water that nozzle ring slit flow goes out is subject to wall constraint to form column, and current are direct current spray regime and penetrate.
The utility model operation principle is as follows:
As shown in Figure 1, motor output shaft is connected by flat key with lead-screw, and lead-screw and motor output shaft interference fit prevent from beating in lead-screw rotation process, thereby affect moment of torsion transmission.During electric machine rotation, lead-screw changes into driving torque by screw pair the axial linear movement of push rod, and push rod is fixedly connected with by screw with bolt connection piece, and spray nozzle is threaded with bolt connection piece, finally drives spray nozzle axial linear movement.By changing the relative position of spray nozzle and nozzle core, can change and adjust water cannon big gun head outlet jet state, realize the stepless conversion of direct current injection and spray injection.
Before fire extinguishing operation, fire water monitor barrel and big gun head part are rigidly connected by big gun head joint screw thread, form a complete fire water monitor.
During on-the-spot fire extinguishing, can according to fire condition, control flexibly the conversion of direct current injection and two kinds of jet models of spray injection, reach economic quick extinguishing object.
Claims (2)
1. a direct current spray dual-purpose type fire water monitor head, mainly comprise barrel (1), sealing ring I (2), big gun head joint (3), sealing ring II (4), big gun head body (5), spacer ring (6), hex nut (7), spray nozzle (8), sealing ring III (9), nozzle core support (10), nozzle core screw rod (11), sealing ring IV (12), nozzle core (13), acorn nut (14), bolt connection piece (15), screw (16), push rod (17), ram seat (18), lead-screw (19), pressing plate (20), fillister head screw (21), flat key (22), hexagon socket cap head screw (23), electric machine stand connecting plate (24), motor output shaft (25), big gun head joint connecting plate (26) and electric machine stand (27), it is characterized in that: nozzle core (13) and nozzle core support (10) are threaded with nozzle core screw rod (11) respectively, nozzle core (13) one end is fixing by acorn nut (14), and nozzle core support (10) one end is fixing by hex nut (7), inner side, big gun head body (5) end is connected with big gun head joint (3) outside screw, and by big gun head joint (3) convex shoulder location, passes through screw lock simultaneously, big gun head body (5) inner side and spacer ring (6) interference fits, nozzle core support (10) is being supported in spacer ring (6) one end, spacer ring (6) other end and big gun head joint (3) end interference fits, big gun head body (5) outside and spray nozzle (8) inner side matched in clearance, and spray nozzle (8) can axially slidably reciprocate along big gun head body (5), bolt connection piece (15) one end is threaded with spray nozzle (8) projection, and bolt connection piece (15) other end is fixedly connected with push rod (17) by screw (16), the end of lead-screw (19) is threaded with push rod (17), lead-screw (19) the other end is fixedly connected with motor output shaft (25) by flat key (22), lead-screw (19) is placed in push rod (17), and compresses by pressing plate (20), prevents from moving radially, ram seat (18) is fixed on electric machine stand (27) by four uniform fillister head screws (21), push rod (17) and ram seat (18) matched in clearance, push rod (17) can be along ram seat (18) axially-movable, in the middle of electric machine stand (27) and big gun head joint (3), be furnished with electric machine stand connecting plate (24) and big gun head joint connecting plate (26), big gun head joint connecting plate (26) is fixedly connected with big gun head joint (3) by hexagon socket cap head screw (23), big gun head joint connecting plate (26), electric machine stand connecting plate (24) and electric machine stand (27) are fixedly connected with by screw, big gun head joint (3) and barrel (1) are threaded.
2. a kind of direct current spray dual-purpose type fire water monitor head according to claim 1, is characterized in that: big gun head joint (3) inner side seals by sealing ring I (2) with barrel (1) outside; Big gun head body (5) inner side seals by sealing ring II (4) with big gun head joint (3) outside; Big gun head body (5) outside seals by sealing ring III (9) and sealing ring IV (12) with spray nozzle (8) inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326523.0U CN203886071U (en) | 2014-06-18 | 2014-06-18 | Direct-flow spray dual-purpose fire-fighting water cannon head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326523.0U CN203886071U (en) | 2014-06-18 | 2014-06-18 | Direct-flow spray dual-purpose fire-fighting water cannon head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203886071U true CN203886071U (en) | 2014-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420326523.0U Expired - Fee Related CN203886071U (en) | 2014-06-18 | 2014-06-18 | Direct-flow spray dual-purpose fire-fighting water cannon head |
Country Status (1)
| Country | Link |
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| CN (1) | CN203886071U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107412991A (en) * | 2017-09-19 | 2017-12-01 | 徐工集团工程机械有限公司 | Jet status switching mechanism, big gun head and fire water monitor |
| CN107715351A (en) * | 2017-11-21 | 2018-02-23 | 徐工集团工程机械有限公司 | Fire water monitor head and fire water monitor |
| CN110251872A (en) * | 2019-07-18 | 2019-09-20 | 成都福禄泰安全技术有限公司 | A kind of applicator |
| CN115430085A (en) * | 2022-08-23 | 2022-12-06 | 国网安徽省电力有限公司电力科学研究院 | Fire monitor with throttling device |
-
2014
- 2014-06-18 CN CN201420326523.0U patent/CN203886071U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107412991A (en) * | 2017-09-19 | 2017-12-01 | 徐工集团工程机械有限公司 | Jet status switching mechanism, big gun head and fire water monitor |
| CN107412991B (en) * | 2017-09-19 | 2023-07-04 | 江苏徐工工程机械研究院有限公司 | Jet flow state switching mechanism, gun head and fire water gun |
| CN107715351A (en) * | 2017-11-21 | 2018-02-23 | 徐工集团工程机械有限公司 | Fire water monitor head and fire water monitor |
| CN110251872A (en) * | 2019-07-18 | 2019-09-20 | 成都福禄泰安全技术有限公司 | A kind of applicator |
| CN115430085A (en) * | 2022-08-23 | 2022-12-06 | 国网安徽省电力有限公司电力科学研究院 | Fire monitor with throttling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20150618 |
|
| EXPY | Termination of patent right or utility model |