CN204699279U - A kind of fire fighting truck - Google Patents
A kind of fire fighting truck Download PDFInfo
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- CN204699279U CN204699279U CN201520275796.1U CN201520275796U CN204699279U CN 204699279 U CN204699279 U CN 204699279U CN 201520275796 U CN201520275796 U CN 201520275796U CN 204699279 U CN204699279 U CN 204699279U
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Abstract
The utility model proposes a kind of fire fighting truck, comprise chassis and be arranged at the boom system on chassis, spraying system, hydraulic system and electric control system, chassis comprises bracing or strutting arrangement, dynamical system and travel unit, boom system comprises more piece folding arm hinged successively, first arm of more piece folding arm is connected with bracing or strutting arrangement, spraying system comprises the transfer pipeline extended along more piece folding arm, be arranged on more piece folding arm end injector and for the medium pump to injector pumped medium, hydraulic system comprises the hydraulic pump for driving more piece folding arm luffing, electric control system is connected with dynamical system and hydraulic system, dynamical system is selectively travel unit, medium pump and hydraulic pump at least one of them provides power.Fire fighting truck of the present utility model, by adopting full foldable arm rack, boom system can realize full level and even work in the position lower than fire fighting truck, and working range of arm support is large, and flexible movements, can put out a fire by leaping over obstacles.
Description
Technical field
The utility model relates to fire-fighting vehicle technology, particularly a kind of fire fighting truck.
Background technology
Fire fighting truck is a kind of vehicle being specifically designed to fire-fighting and rescue, and it generally includes chassis, boom system and spraying system.Chassis comprises travel unit and bracing or strutting arrangement (being generally the fixing capstan head be arranged in travel unit), spraying system comprises pipeline and water cannon, for carrying and spraying specific firing-fighting medium, boom system comprises more piece jib, for support working platform and laying pipeline, workbench and water cannon are arranged at arm support tail end, and water cannon and workbench can be supported to predetermined height or position by boom system.Due to fire-fighting work it is pressed for time, working environment is complicated, and construction requirement is various, therefore, proposes higher requirement to fire fighting truck boom system and spraying system.
The fire fighting truck of prior art, the structure of " telescopic jib+telescopic jib " that boom system adopts substantially or " telescopic jib+more piece foldable arm rack ", between two groups of telescopic jibs, between telescopic jib and foldable arm rack, between more piece foldable arm rack, general oil cylinder or the oil cylinder connecting rod mechanism of adopting realizes luffing.For the boom system of " telescopic jib+telescopic jib " form, at least there are the following problems: (1) telescopic jib above-below direction stretches, but can not horizontal operation entirely, work range little (generally within 30 meters), when vehicle body is far away apart from ignition point, the water cannon water outlet being positioned at arm support tail end only has can reach ignition point on a small quantity, and fire-fighting efficiency is low; (2) jib only has a folding joint, and action is dumb, can not carry out the fire extinguishing across obstacle.And for the boom system of " telescopic jib+more piece foldable arm rack " form, owing to being limited to the structure of telescopic jib and bracing or strutting arrangement, a whole set of boom system can not horizontal operation or complete vertically work entirely.
Meanwhile, in existing fire fighting truck, spraying system adopts water pot water storage mostly, water pump is fetched water and the mode of water cannon water spray, and be comparatively applicable to fire fighting and rescue among a small circle, for the occasion of multiple devices work on a large scale, each equipment works independently, integration of operation inconvenience.
Therefore, the flexibility and the collaborative work ability that how to improve fire fighting truck boom system are current those skilled in the art's technical issues that need to address.
Utility model content
In view of this, the purpose of this utility model is, provides a kind of fire fighting truck, to improve flexibility and the collaborative work ability of fire fighting truck boom system, thus improves rescue efficiency.
The utility model provides a kind of fire fighting truck, comprise chassis and be arranged at the boom system on described chassis, spraying system, hydraulic system and electric control system, described chassis comprises bracing or strutting arrangement, dynamical system and travel unit, described boom system comprises more piece folding arm hinged successively, first arm of described more piece folding arm is connected with described bracing or strutting arrangement, described spraying system comprises the transfer pipeline extended along described more piece folding arm, be arranged on described more piece folding arm end injector and for the medium pump to described injector pumped medium, described hydraulic system comprises the hydraulic pump for driving described more piece folding arm luffing, described electric control system is connected with described dynamical system and hydraulic system, described dynamical system is selectively described travel unit, medium pump and hydraulic pump at least one of them provides power.
Preferably, described bracing or strutting arrangement comprises fixing capstan head, turntable, front leg strut, the rear support leg be arranged on described fixing capstan head, described fixing capstan head is arranged in described travel unit by link, described turntable is connected with described fixing capstan head by slew gear, and described first arm is hinged on described turntable.
Preferably, described front leg strut comprises the first front support and the second front support, and described rear support leg comprises the first rear support and the second rear support; Described first front support, the second front support, the second rear support and the first rear support are support scope in the region that the strong point on ground surrounds; Under the free position of described more piece folding arm, the car load center of gravity of described fire fighting truck is positioned at described first front support, the second front support, the second rear support and the first rear support in the maximum support scope surrounded of the strong point on ground.
Preferably, described support scope is safe range to bias internal preset distance, and under the maximum horizontal deployed condition of described more piece folding arm, the car load center of gravity of described fire fighting truck is positioned at maximum described safe range.
Preferably, described electric control system be used for according to described support scope by more piece folding arm described in described HYDRAULIC CONTROL SYSTEM, make the car load center of gravity of described fire fighting truck be positioned at described support scope;
Or, described electric control system be used for according to described safe range by more piece folding arm described in described HYDRAULIC CONTROL SYSTEM, make the car load center of gravity of described fire fighting truck be positioned at described safe range.
Preferably, described more piece folding arm also comprises the second hinged successively arm, the 3rd arm, the 4th arm, the 5th arm, described second arm and described first arm hinged, at folded state, described first arm, the second arm and described 4th arm, the 5th arm are positioned on two different perpendiculars, and described 3rd arm extends to the perpendicular at described 4th arm place from the perpendicular at described second arm place.
Preferably, described spraying system also comprises the medium box be arranged on described chassis, the import of described medium pump is communicated with described medium box by pump intake pipeline, described medium delivery side of pump is communicated with described injector by transfer pipeline, described transfer pipeline is also connected with outer for medium pipeline, described outer confession is provided with pump outlet check valve between medium pipeline and described medium delivery side of pump.
Preferably, described pump intake pipeline is connected with outer suction pipe road, is provided with the first on-off valve between described outer suction pipe road and described medium box, described outer suction pipe road is provided with the second on-off valve, the outer medium pipeline that supplies is provided with the 3rd on-off valve.
Preferably, described hydraulic system comprises by the supporting leg hydraulic subsystem of described hydraulic pump drive, jib hydraulic subsystem and turntable hydraulic subsystem, described supporting leg hydraulic subsystem is for driving taking down the exhibits and lower racking work of each supporting leg of described fire fighting truck, jib hydraulic subsystem is for driving the luffing action of described more piece folding arm, and described turntable hydraulic subsystem is for driving the revolution action of described boom system entirety.
Preferably, dynamical system comprises engine in situ, described electric control system comprises jib control unit, supporting leg control unit, spraying fire unit, chassis control unit, security protection unit, and described jib control unit is for the revolution of the luffing and boom system entirety that control described more piece folding arm; Described supporting leg control unit is for controlling taking down the exhibits and leveling of each supporting leg of described fire fighting truck; Described spraying fire unit is for the emitted dose of the rate of pumping and injector that control described medium pump; Described chassis control unit is for monitoring the speed of described engine in situ; Described security protection unit is used for carrying out the liftoff protection of supporting leg and/or jib angle monitor and/or getting-on-off interlocking and protects.
The fire fighting truck that the utility model provides, comprise chassis and be arranged at boom system, spraying system, hydraulic system and the electric control system on chassis, chassis comprises bracing or strutting arrangement, dynamical system and travel unit, boom system comprises more piece folding arm hinged successively, first arm of more piece folding arm is connected with bracing or strutting arrangement, namely boom system is full foldable arm rack, horizontal operation can be realized even in the local operation lower than fire fighting truck, working range of arm support is large, foldable arm rack flexible movements, can carry out fire fighting and rescue by cross-domain obstacle.Spraying system comprise along more piece folding arm extend transfer pipeline, be arranged on more piece folding arm end injector and for the medium pump to injector pumped medium, because transfer pipeline extends in foldable arm rack system, arrangement convenience, not easily breaks down.Hydraulic system comprises the hydraulic pump for driving described more piece folding arm luffing, electric control system is connected with dynamical system and hydraulic system, dynamical system selectively for travel unit, medium pump and hydraulic pump at least one of them provides power, like this, dynamical system can be chosen as travel unit at fire fighting truck transport condition and provide power; In the rescue preparatory stage, drive fire fighting truck bracing or strutting arrangement (i.e. supporting leg) to stretch by hydraulic system and support, and driving jib to be deployed into precalculated position; At Rescue stage for medium pump and hydraulic pump provide power, thus realize more piece folding arm luffing and injector injection work; After rescue terminates, control fire fighting truck bracing or strutting arrangement and jib withdrawal.
In further technical scheme, by definition support scope and safe range, ensure that bracing or strutting arrangement meets boom system demand to bracing or strutting arrangement under free position, pass through electric control system simultaneously, when ensureing boom system action, the car load center of gravity of fire fighting truck is positioned at actual support scope or safe range, ensures fire fighting truck job safety.
In further technical scheme, outer for medium pipeline and pump outlet check valve by arranging, the medium of other fire fighting truck pumping can be ejected into precalculated position by conveyance conduit and injector; By arranging outer suction pipe road and the first on-off valve, medium pump can be passed through, pumping firing-fighting medium from the medium box of external agency source or other fire fighting truck; By arranging medium box, medium pump directly can obtain firing-fighting medium from medium box, and is pumped into precalculated position, therefore improves efficiency and the collaborative work ability of fire fighting truck integration of operation.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
A kind of fire fighting truck that Fig. 1 provides for the utility model embodiment is at the schematic diagram of Construction State;
Fig. 2 is the structural representation of the bracing or strutting arrangement in fire fighting truck shown in Fig. 1;
The support concept schematic diagram that Fig. 3 is the bracing or strutting arrangement in fire fighting truck shown in Fig. 1;
Fig. 4 is the boom system schematic diagram in fire fighting truck shown in Fig. 1;
Fig. 5 is the chassis schematic diagram in fire fighting truck shown in Fig. 1;
Fig. 6 is the spraying system schematic diagram in fire fighting truck shown in Fig. 1;
Fig. 7 is the chassis dynamical system schematic diagram in fire fighting truck shown in Fig. 1;
Fig. 8 is the hydraulic schematic in fire fighting truck shown in Fig. 1;
Fig. 9 is the electric control system schematic diagram in fire fighting truck shown in Fig. 1.
In figure:
Chassis 100, bracing or strutting arrangement 110, fixing capstan head 111, turntable 112, front leg strut 113, first front support 1131, second front support 1132, rear support leg 114, first rear support 1141, second rear support 1142, link 115, slew gear 116, support scope 117, safe range 118, dynamical system 120, travel unit 130;
Boom system 200, first arm 210, second arm 220, the 3rd arm 230, the 4th arm 240, the 5th arm 250;
Spraying system 300, transfer pipeline 310, pump intake pipeline 311, outer confession medium pipeline 312, outer suction pipe road 313, low pressure external supplying pipe road 314, turntable pipeline 315, charging line 316, injector 320, medium pump 330, medium box 340, pump outlet check valve 350, first on-off valve 351, second on-off valve 352, the 3rd on-off valve 353, the 4th on-off valve 355, the 5th on-off valve 355;
Hydraulic system 400, hydraulic pump 410, supporting leg hydraulic subsystem 420, jib hydraulic subsystem 430, turntable hydraulic subsystem 440;
Electric control system 500, jib control unit 510, supporting leg control unit 520, spraying fire unit 530, chassis control unit 540, security protection unit 550.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Please refer to 1-Fig. 7, a kind of fire fighting truck that the utility model provides, comprise chassis 100 and be arranged at the boom system 200 on chassis 100, spraying system 300, hydraulic system 400 and electric control system 500, chassis 100 comprises bracing or strutting arrangement 110, dynamical system 120 and travel unit 130, boom system 200 comprises more piece folding arm hinged successively, first arm 210 of more piece folding arm is connected with bracing or strutting arrangement 110, in other words, the boom system 200 of this fire fighting truck is full foldable arm rack system, folding arm is to final section jib from the first arm 210, like this, the horizontal operation of boom system can be realized even in the local operation lower than fire fighting truck, working range of arm support is large, foldable arm rack flexible movements, fire fighting and rescue (with reference to figure 1) can be carried out by cross-domain obstacle.Simultaneously, spraying system 300 comprise along more piece folding arm extend transfer pipeline 310, be arranged on more piece folding arm end injector 320 and for the medium pump 330 to injector 320 pumped medium, because transfer pipeline 310 extends on complete folding boom system, arrangement convenience, overcome the problem of existing telescopic jib system media difficulty of transportation, and not easily break down.In addition, hydraulic system 400 comprises the hydraulic pump 410 for driving more piece folding arm luffing, electric control system 500 is connected with dynamical system 120 and hydraulic system 400, dynamical system 120 is selectively travel unit 130, medium pump 330 and hydraulic pump 410 at least one of them provides power, namely dynamical system 120 can be travel unit 130, any one in medium pump 330 and hydraulic pump 410, any two provide power (if desired, also can be and all provide power), such as, dynamical system 120 can be chosen as travel unit at fire fighting truck transport condition and provide power, in the rescue preparatory stage, drive fire fighting truck bracing or strutting arrangement (i.e. supporting leg) to stretch by hydraulic system and support, and driving jib to be deployed into precalculated position, at Rescue stage for medium pump 330 and hydraulic pump 410 provide power, thus realize more piece folding arm luffing and injector 320 works, after rescue terminates, control fire fighting truck bracing or strutting arrangement 110 and jib withdrawal.
In such scheme, the medium that medium pump 330 is put out a fire according to fire fighting truck is selected, and usually using water as firing-fighting medium, now medium pump 330 adopts water pump, and accordingly, injector 320 is water cannon, and certain firing-fighting medium also can be other foams or powder.In addition, realize the selection supply of dynamical system 120 power, as shown in Figure 7, dynamical system 120 preferably includes engine in situ, and power is optionally passed to travel unit 130, hydraulic pump 410, medium pump 330 by distributing means for power supply (as transfer case) by engine in situ., also it should be noted that, medium pump 330 can be driven by distributing means for power supply separately meanwhile, also can pass through hydraulic pump 410 CD-ROM drive motor, then be driven by motor, in this no limit.
As shown in Figure 2, for meeting the requirement that fire fighting truck more piece foldable arm rack is constructed arbitrarily, bracing or strutting arrangement 110 preferably includes fixing capstan head 111, be arranged on the turntable 112 on fixing capstan head 111, two front leg struts 113, two rear support legs 114, fixing capstan head 111 is arranged in travel unit 130 by the link 115 as subframe and so on, turntable 112 is connected with fixing capstan head 111 by slew gear 116, first arm 210 is hinged on turntable 112, by arranging slew gear 116, turntable 112 can rotate relative to fixing capstan head 111, thus drive boom system 200 unitary rotation be hinged on turntable 112.Front leg strut 113, rear support leg 114 can adopt various ways, and preferably as shown in Figure 2, front leg strut 113 adopts multi-joint telescoping supporting leg, and rear support leg 114 adopts oscillating support leg, thus are convenient to reach the requirement supported any deployed condition of boom system.
As Figure 2-3, further, front leg strut 113 comprises the first front support 1131 and the second front support 1132, and rear support leg 114 comprises the first rear support 1141 and the second rear support 1142; When fire fighting truck works, first front support 1131, second front support 1132, first rear support 1141 and the second rear support 1142 are all supported on ground, for carrying the weight of whole fire fighting truck, if definition the first front support 1131, second front support 1132, second rear support 1142 and the first rear support 1141 are support scope 117 in the region that the strong point on ground surrounds; Under the free position of the more piece folding arm of boom system 200, the car load center of gravity of fire fighting truck is positioned at the first front support 1131, second front support 1132, second rear support 1142 and the first rear support 1141 in the maximum support scope 117 surrounded of the strong point on ground, namely when designing fire fighting truck, need ensure that boom system 200 is under free position, car load center of gravity is positioned at maximum support scope 117, or each supporting leg (comprising front leg strut 113, rear support leg 114) the maximum support scope 117 formed will surround the car load center of gravity of boom system 200 under free position.Like this, can ensure that the supportive device 110 of fire fighting truck can meet the demand of boom system 200 under any deployed condition.
Particularly, as shown in Figure 3, support scope 117 is quadrangle, if there is more supporting leg, support scope may be also pentagon, hexagon etc., the aforementioned maximum support scope 117 surrounded can obtain in the following way, two front leg struts 113 are reached most long status, by two rear support legs 114 respectively to predetermined angular of rolling to each side (this predetermined angular can be obtained by fire fighting truck physical dimension and each several part center of gravity calculation), be appreciated that, under more piece folding arm is in horizontal development state, turntable 112 is rotated a circle, fire fighting truck gravity center shift scope is maximum, center of gravity is roughly in the upper change of center of gravity circle 119 (maximum magnitudes of car load gravity center shift), such scheme can ensure that this center of gravity circle 119 is positioned at this maximum support scope 117, therefore, in the maximum support scope 117 times of bracing or strutting arrangement 110, ensure that boom system 200 free position is launched and rotate to cause fire fighting truck to be tumbled.
For ensureing the security supported further, be safe range 118 by support scope 117 to bias internal preset distance, this side-play amount can be selected according to safety coefficient, the side-play amount of all directions can be identical or different, safe range as shown in phantom in Figure 3, under the maximum horizontal deployed condition of more piece folding arm, fire fighting truck gravity center shift scope is maximum, the car load center of gravity of fire fighting truck is positioned at maximum safe range 118, namely ensure that center of gravity circle 119 is positioned at safe range 118, in other words, first front support 1131, second front support 1132, second rear support 1142 and the first rear support 1141 surround center of gravity circle 119 (also namely surrounding the car load center of gravity under fire fighting truck free position) to the safe range 118 that bias internal preset distance is formed in the region that the strong point on ground surrounds, further raising fire fighting truck support safety, reduce fire fighting truck overthrow accident probability of happening.
Such scheme is the support requirement by ensureing fire fighting truck from the design of bracing or strutting arrangement 110, but may due to the restriction of workplace, elongation and the swing of front and back supporting leg 113,114 are restricted, actual support scope is less than maximum support scope, now need to limit the expansion degree of boom system 200, a kind of mode is, electric control system 500 controls more piece folding arm according to support scope 117 by hydraulic system 400, make the car load center of gravity of fire fighting truck be positioned at support scope 117, namely ensure that the center of gravity of car load is positioned at actual support scope; For ensureing security further, another kind of mode is, electric control system 500 controls more piece folding arm according to safe range 118 by hydraulic system 400, the car load center of gravity of fire fighting truck is made to be positioned at safe range 118, because safe range 118 is less than support scope 117, the limited degree that rear a kind of mode is launched jib is larger, more easily ensures fire fighting truck support safety.
In such scheme, boom system 200 can comprise the above folding arm of 3 joints, and as 3 joints, 4 joints, 5 joints, 6 joints, 7 joints etc., can just roll between each jib also can reflexed, can be folded into Z-type, also can be folded into R or RZ type.Particularly, as shown in Figure 4, more piece folding arm also comprises the second hinged successively arm 220, the 3rd arm 230, the 4th arm 240, the 5th arm 250, second arm 220 and the first arm 210 hinged, at folded state, first arm 210, second arm 220 and the 4th arm 240, the 5th arm 250 are positioned on two different perpendiculars, and the 3rd arm 230 extends to the perpendicular at the 4th arm 240 place from the perpendicular at the second arm 220 place.By boom system 200 being folded in two different planes, at the folded state of boom system 200, arranging compacter, taking full advantage of the space above chassis 100.In this boom system 200, drive preferably by hydraulic jack between first arm 210 and turntable 112, between first arm 210 and the second arm 220, between second arm 220 and the 3rd arm 230, between 3rd arm 230 and the 4th arm 240, between the 4th arm 240 and the 5th arm 250, drive luffing preferably by hydraulic jack-linkage.In addition, Fig. 3 is visible, and transfer pipeline 310 extends to the 5th arm 250 along boom system 200 from the first arm 210, and injector 320 is positioned at the end of the 5th arm 250.
In such scheme, spraying system 300 can adopt multiple choices, preferably, as seen in figs. 5-6, spraying system 300 also comprises the medium box 340 be arranged on chassis 100, and the import of medium pump 330 is communicated with medium box 340 by pump intake pipeline 311, and the outlet of medium pump 330 is communicated with injector 320 by transfer pipeline 310, transfer pipeline 310 is also connected with outer for medium pipeline 312, outer confession is provided with pump outlet check valve 350 between medium pipeline 312 and the outlet of medium pump 330.By arranging medium box 340, medium pump 330 directly can obtain firing-fighting medium from medium box 340, raise the efficiency, outer for medium pipeline 312 by connecting on transfer pipeline 310, outer confession arranges pump outlet check valve 350 between medium pipeline 312 and the outlet of medium pump 330, when medium pump 330 break down or medium source deficiency, the medium of other fire fighting truck pumping can be ejected into precalculated position by the conveyance conduit 310 on this boom system 200 and injector 320, collaboration capabilities is strong.
Further, pump intake pipeline 311 is connected with outer suction pipe road 313, is provided with the first on-off valve 351 between outer suction pipe road 313 and medium box 340, outer suction pipe road 313 is provided with the second on-off valve 352, the outer medium pipeline 312 that supplies is provided with the 3rd on-off valve 353.By arranging outer suction pipe road 313 and the first on-off valve 351, medium pump can be passed through, from the medium box of external agency source or other fire fighting truck, pumping firing-fighting medium is to injector 320, when fire fighting truck medium box 340 can not satisfy the demands, expand range of application, improve efficiency and the collaborative work ability of fire fighting truck integration of operation.Meanwhile, can also the 4th on-off valve 354 be set on transfer pipeline 310, closes the 4th on-off valve 354 and open the 3rd on-off valve 353 simultaneously, can by medium pump 330 to other fire fighting truck pumping high-pressure mediums, integration of operation efficiency improves further.In addition, be also provided with low pressure external supplying pipe road 314, for externally supplying low-pressure medium, low pressure external supplying pipe road 314 can with the entrance of medium box 340 or medium pump 330 or outlet; Transfer pipeline 310 comprises the turntable pipeline 315 be arranged on turntable 112, and turntable pipeline 315 preferably arranges swivel coupling, realizes the rotation conducting of transfer pipeline 310 at turntable place by swivel coupling; In order to ensure to have in medium box 340 sufficient medium, the charging line 316 being communicated with medium box 340 being preferably also set, charging line 316 being provided with the 5th on-off valve 355, for break-make and/or the flow of the medium that controls to annotate in medium box 340.
In such scheme, as shown in Figure 8, hydraulic system 400 comprises the supporting leg hydraulic subsystem 420, jib hydraulic subsystem 430 and the turntable hydraulic subsystem 440 that are driven by hydraulic pump 410, supporting leg hydraulic subsystem 420 is for driving taking down the exhibits and lower racking work of each supporting leg of fire fighting truck, jib hydraulic subsystem 430 is for driving the luffing action of more piece folding arm, and turntable hydraulic subsystem 440 is for the revolution action of actuating arm frame system 200 entirety.By hydraulic system 400, the different actions of fire fighting truck supporting leg, boom system and turntable can be realized, realize conveniently, simply, be convenient to realize.
In such scheme, preferably, as shown in Figure 9, dynamical system 120 comprises engine in situ, electric control system 500 comprises jib control unit 510, supporting leg control unit 520, spraying fire unit 530, chassis control unit 540, security protection unit 550, and jib control unit 510 is for the revolution (i.e. the revolution of turntable) of the luffing and boom system 200 entirety that control more piece folding arm; Supporting leg control unit 520 is for controlling taking down the exhibits and leveling of each supporting leg of fire fighting truck; The rate of pumping of spraying fire unit 530 for control medium pump 330 and the emitted dose of injector 320, can also be used to the keying controlling each valve (as check-valves, on-off valve etc.) certainly; Chassis control unit 540, for monitoring the speed of engine, can also control the various indicator lamp in chassis, carry out pointing out or reporting to the police; Security protection unit 550 is protected for carrying out the liftoff protection of supporting leg and/or jib angle monitor and/or getting-on-off interlocking.Particularly, protection that supporting leg is liftoff can by detecting each supporting leg stressed, judges supporting leg whether holding state, may be used for judgement fire fighting truck and to tumble possibility; Jib angle monitor by being arranged on the checkout gears such as obliquity sensor on jib, can obtaining jib angle, judging the expanded position of jib, calculating car load center of gravity; Getting-on-off interlocking protection is used for carrying out interlock protection to get on the bus (i.e. boom system) with get off (i.e. chassis), ensures work safety.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a fire fighting truck, comprise chassis (100) and be arranged at the boom system (200) on described chassis (100), spraying system (300), hydraulic system (400) and electric control system (500), it is characterized in that, described chassis (100) comprises bracing or strutting arrangement (110), dynamical system (120) and travel unit (130), described boom system (200) comprises more piece folding arm hinged successively, first arm (210) of described more piece folding arm is connected with described bracing or strutting arrangement (110), described spraying system (300) comprises the transfer pipeline (310) extended along described more piece folding arm, be arranged on described more piece folding arm end injector (320) and for the medium pump (330) to described injector (320) pumped medium, described hydraulic system (400) comprises the hydraulic pump (410) for driving described more piece folding arm luffing, described electric control system (500) is connected with described dynamical system (120) and hydraulic system (400), described dynamical system (120) is selectively described travel unit (130), medium pump (330) and hydraulic pump (410) at least one of them provides power.
2. fire fighting truck according to claim 1, it is characterized in that, described bracing or strutting arrangement (110) comprises fixing capstan head (111), turntable (112), front leg strut (113), the rear support leg (114) be arranged on described fixing capstan head (111), described fixing capstan head (111) is arranged in described travel unit (130) by link (115), described turntable (112) is connected with described fixing capstan head (111) by slew gear (116), and described first arm (210) is hinged on described turntable (112).
3. fire fighting truck according to claim 2, it is characterized in that, described front leg strut (113) comprises the first front support (1131) and the second front support (1132), and described rear support leg (114) comprises the first rear support (1141) and the second rear support (1142); Described first front support (1131), the second front support (1132), the second rear support (1142) and the first rear support (1141) are support scope (117) in the region that the strong point on ground surrounds; Under the free position of described more piece folding arm, the car load center of gravity of described fire fighting truck is positioned at described first front support (1131), the second front support (1132), the second rear support (1142) and the first rear support (1141) in the maximum support scope (117) surrounded of the strong point on ground.
4. fire fighting truck according to claim 3, it is characterized in that, described support scope (117) is safe range (118) to bias internal preset distance, under the maximum horizontal deployed condition of described more piece folding arm, the car load center of gravity of described fire fighting truck is positioned at maximum described safe range (118).
5. fire fighting truck according to claim 4, it is characterized in that, described electric control system (500), for controlling described more piece folding arm according to described support scope (117) by described hydraulic system (400), makes the car load center of gravity of described fire fighting truck be positioned at described support scope (117);
Or, described electric control system (500), for controlling described more piece folding arm according to described safe range (118) by described hydraulic system (400), makes the car load center of gravity of described fire fighting truck be positioned at described safe range (118).
6. the fire fighting truck according to any one of claim 1-5, it is characterized in that, described more piece folding arm also comprises the second arm (220) hinged successively, 3rd arm (230), 4th arm (240), 5th arm (250), described second arm (220) is hinged with described first arm (210), at folded state, described first arm (210), second arm (220) and described 4th arm (240), 5th arm (250) is positioned on two different perpendiculars, described 3rd arm (230) extends to the perpendicular at described 4th arm (240) place from the perpendicular at described second arm (220) place.
7. the fire fighting truck according to any one of claim 1-5, it is characterized in that, described spraying system (300) also comprises the medium box (340) be arranged on described chassis (100), the import of described medium pump (330) is communicated with described medium box (340) by pump intake pipeline (311), the outlet of described medium pump (330) is communicated with described injector (320) by transfer pipeline (310), described transfer pipeline (310) is also connected with outer for medium pipeline (312), described outer confession is provided with pump outlet check valve (350) between medium pipeline (312) and the outlet of described medium pump (330).
8. fire fighting truck according to claim 7, it is characterized in that, described pump intake pipeline (311) is connected with outer suction pipe road (313), the first on-off valve (351) is provided with between described outer suction pipe road (313) and described medium box (340), described outer suction pipe road (313) is provided with the second on-off valve (352), and the outer medium pipeline (312) that supplies is provided with the 3rd on-off valve (353).
9. the fire fighting truck according to any one of claim 1-5, it is characterized in that, described hydraulic system (400) comprises the supporting leg hydraulic subsystem (420) driven by described hydraulic pump (410), jib hydraulic subsystem (430) and turntable hydraulic subsystem (440), described supporting leg hydraulic subsystem (420) is for driving taking down the exhibits and lower racking work of each supporting leg of described fire fighting truck, jib hydraulic subsystem (430) is for driving the luffing action of described more piece folding arm, the revolution action of described turntable hydraulic subsystem (440) for driving described boom system (200) overall.
10. the fire fighting truck according to any one of claim 1-5, it is characterized in that, dynamical system (120) comprises engine in situ, described electric control system (500) comprises jib control unit (510), supporting leg control unit (520), spraying fire unit (530), chassis control unit (540), security protection unit (550), and described jib control unit (510) is for controlling the luffing of described more piece folding arm and the overall revolution of boom system (200); Described supporting leg control unit (520) is for controlling taking down the exhibits and leveling of each supporting leg of described fire fighting truck; Described spraying fire unit (530) is for the emitted dose of the rate of pumping and injector (320) that control described medium pump (330); Described chassis control unit (540) is for monitoring the speed of described engine in situ; Described security protection unit (550) is protected for carrying out the liftoff protection of supporting leg and/or jib angle monitor and/or getting-on-off interlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520275796.1U CN204699279U (en) | 2015-04-30 | 2015-04-30 | A kind of fire fighting truck |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841079A (en) * | 2015-04-30 | 2015-08-19 | 三一汽车制造有限公司 | Fire fighting truck |
| CN105288909A (en) * | 2015-11-23 | 2016-02-03 | 上海格拉曼国际消防装备有限公司 | Elevating fire truck getting-on and getting-off automatic interlocking device having dual protection |
-
2015
- 2015-04-30 CN CN201520275796.1U patent/CN204699279U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841079A (en) * | 2015-04-30 | 2015-08-19 | 三一汽车制造有限公司 | Fire fighting truck |
| CN104841079B (en) * | 2015-04-30 | 2018-11-20 | 三一汽车制造有限公司 | A kind of fire fighting truck |
| CN105288909A (en) * | 2015-11-23 | 2016-02-03 | 上海格拉曼国际消防装备有限公司 | Elevating fire truck getting-on and getting-off automatic interlocking device having dual protection |
| CN105288909B (en) * | 2015-11-23 | 2018-07-24 | 上海格拉曼国际消防装备有限公司 | A kind of elevating fire truck with duplicate protection is got on or off the bus automatic interlocking device |
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| CB03 | Change of inventor or designer information |
Inventor after: Xu Guorong Inventor after: Li Xiang Inventor after: Li Jianchun Inventor after: Shi Xiang Inventor after: Wang Shiguo Inventor after: Wang Youyi Inventor after: Peng Jianghua Inventor before: Xu Guorong Inventor before: Wang Youyi Inventor before: Peng Jianghua |