CN110075453A - Fire fighting truck - Google Patents
Fire fighting truck Download PDFInfo
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- CN110075453A CN110075453A CN201910484562.0A CN201910484562A CN110075453A CN 110075453 A CN110075453 A CN 110075453A CN 201910484562 A CN201910484562 A CN 201910484562A CN 110075453 A CN110075453 A CN 110075453A
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- hinged
- folding
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- 230000007246 mechanism Effects 0.000 claims abstract description 240
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- 230000002452 interceptive effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 120
- 230000000694 effects Effects 0.000 description 23
- 238000005457 optimization Methods 0.000 description 23
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- 102000008579 Transposases Human genes 0.000 description 13
- 108010020764 Transposases Proteins 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 6
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- 238000004064 recycling Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention provides a kind of fire fighting truck, fire fighting truck includes: chassis, and the one end on chassis is provided with driver's cabin；Swivel base is set on chassis；Beam mechanism, beam mechanism include: the first folding arm, and one end of the first folding arm is hinged with swivel base；Second folds arm, and one end of the second folding arm and the other end of the first folding arm are hinged；Telescopic arm, the fixing end of telescopic arm and the other end of the second folding arm are hinged；Driving mechanism is connected with beam mechanism, to drive beam mechanism to be unfolded or withdraw；Wherein, when beam mechanism is in retracted state, second, which folds arm, is located above the first folding arm, and telescopic arm is located at second and folds arm side.By setting beam mechanism to the beam mechanism of zigzag expansion, avoid the first folding arm, when the second folding arm and telescopic arm are unfolded simultaneously the problem of interfering.
Description
Technical field
The present invention relates to fire-fighting equipment technical fields, in particular to a kind of fire fighting truck.
Background technique
Existing water tower fire truck, cantilever crane form consist essentially of two kinds, and one is the " flexible of traditional use
+ it is flexible " structure, luffing is realized using oil cylinder connecting rod mechanism among two groups of telescopic arms.But work range is smaller, and cantilever crane only has
One folding joint acts not flexible, the high-precision operation of complex environment difficult to realize.Another be research and develop in recent years it is complete
Foldable arm rack water tower fire truck, more piece foldable arm rack carries out luffing movement by link mechanism, but this kind of jib structure is multiple
Miscellaneous, when fire fighting truck operation, it is big that there are operation difficulties, the long technical problem of cantilever crane duration of run.
Also, in existing water tower fire truck, multiple sub- cantilever cranes in beam mechanism are unfolded in the same direction, expansion
Every level-one cantilever crane needs to wait for that rotation just can be performed after upper level cantilever crane turns an angle in the process, thus when wasting a large amount of
Between, and then cause the technical problem under fire-fighting efficiency.Meanwhile in existing water tower fire truck, beam mechanism is from fire-fighting
Tailstock portion is stretched out, and when executing fire-fighting operation, needs that user turns the direction of fire fighting truck or unitary rotation beam mechanism just can be to finger
The technical issues of fire source for determining direction executes fire-fighting operation, and then brings time too long, inefficiency.
Therefore, how to design that a kind of work range big structure is simple, and the short arm support component of duration of run becomes urgently
Technical problem to be solved.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.
For this purpose, the invention proposes a kind of fire fighting trucks.
In view of this, fire fighting truck includes: chassis the present invention provides a kind of fire fighting truck, the one end on chassis is provided with driving
Room；Swivel base is set on chassis；Beam mechanism, beam mechanism include: the first folding arm, and first folds one end of arm and swivel base
It is hinged；Second folds arm, and one end of the second folding arm and the other end of the first folding arm are hinged；Telescopic arm, telescopic arm
Fixing end and the other end of the second folding arm are hinged；Driving mechanism is connected with beam mechanism, to drive beam mechanism to be unfolded
Or it withdraws；Wherein, when beam mechanism is in retracted state, second, which folds arm, is located at right above the first folding arm, and telescopic arm is located at
Second folds arm side.
The beam mechanism provided according to the present invention, chassis are the main body supporting structure of fire fighting truck, are disappeared for carrying and supporting
Other structures on anti-vehicle are provided with driver's cabin on the one end on chassis, and user can complete the manipulation to fire fighting truck in driver's cabin.
Swivel base is the understructure of beam mechanism, and beam mechanism is connected by swivel base in engineering equipments such as fire fighting trucks, to drive cantilever crane
Mechanism rotates together with swivel base.The beam mechanism is made of three parts: first part is the first folding arm, and first folds arm
First end is hinged with swivel base, and first folds arm relative to swivel base rotation in the course of work；Second part be second fold arm, second
The second end of the first end and the first folding arm that fold arm is hinged, and second folds arm with respect to the first folding arm turn in the course of work
It is dynamic；Part III is telescopic arm, and telescopic arm is the cantilever crane of adjustable in length, and the fixing end of telescopic arm folds the second of arm with second
End is hinged, and telescopic arm folds the second end rotation of arm relative to first in the course of work, and elongates or shortens on this basis.It drives
Motivation structure is the dynamic structure of beam mechanism, is used to provide power into beam mechanism, to realize the rotation of beam mechanism.
Arm and second is folded by setting first and folds arm, and beam mechanism is made to fold arm rotation overturning by first
Afterwards, the operating angle of beam mechanism is further further adjusted by the second folding arm, to strengthen the flexible of beam mechanism
Property, so that beam mechanism is folded arm and second by first and folds the barrier in arm leap front.By the way that telescopic arm is arranged, greatly
Amplitude increases the work coverage area of beam mechanism, also, telescopic arm takes up space smaller under recycling state, can reduce
The occupied space of beam mechanism, in addition telescopic arm opening speed is fast, is conducive to quickly carry out fire-fighting fire extinguishing.And then it realizes excellent
Change the structure of beam mechanism, promote beam mechanism flexibility ratio, promotes the technical effect of product work precision and reliability.
On this basis, the present invention also specifically defines the spatial position of beam mechanism.Specifically, at beam mechanism
When retracted state, second, which folds arm, is located at right above the first folding arm, and telescopic arm is located at second and folds arm side.Pass through restriction
Spatial relation makes beam mechanism during expansion, and first, which folds arm, rotates relative to swivel base towards fire fighting truck front, the second folding
Folded arm folds arm relative to first and rotates towards fire fighting truck rear, and telescopic arm folds arm relative to second and rotates towards fire fighting truck front, with shape
The beam mechanism being unfolded at zigzag.By setting beam mechanism to the beam mechanism of zigzag expansion, so that on beam mechanism
First fold arm, the second folding arm and telescopic arm can start simultaneously at rotation, avoid the occurrence of the first folding arm, second fold arm with
Telescopic arm simultaneously when being unfolded the problem of interfering, to reduce the duration of run of beam mechanism.Meanwhile zigzag is unfolded
The front end of beam mechanism stretch out in front of the driver's cabin, so that fire fighting truck is stretched out beam mechanism at the first time after driving towards fire source
And fire-fighting operation is executed, the process turned headstock and rotate swivel base is eliminated, thus when further reducing the preparation of beam mechanism
Between, and then realize optimization beam mechanism, reduce beam mechanism duration of run, promote fire fighting truck working efficiency, it is reliable to promote product
The technical effect of property.
Specifically, in existing water tower fire truck, multiple sub- cantilever cranes in beam mechanism are unfolded in the same direction, exhibition
Every level-one cantilever crane needs to wait for that rotation just can be performed after upper level cantilever crane turns an angle in open procedure, thus when wasting a large amount of
Between, and then cause the technical problem under fire-fighting efficiency.Meanwhile in existing water tower fire truck, beam mechanism is from fire-fighting
Tailstock portion is stretched out, and when executing fire-fighting operation, needs that user turns the direction of fire fighting truck or unitary rotation beam mechanism just can be to driving
It sails fire source in front of room and executes fire-fighting operation, and then bring time too long, the technical issues of inefficiency.For above-mentioned skill
Art problem, the present invention make the first folding arm, the second folding arm and telescopic arm can by setting zigzag expansion for beam mechanism
It to be rotated simultaneously in first time, is interfered inside beam mechanism to solve, the long technical problem of duration of run.And
And the present invention is stretched out in front of driver's cabin by setting zigzag beam mechanism front end, allows user in a uncomfortable direction of changing trains or buses
Fire-fighting operation is executed in the case where unitary rotation beam mechanism, so that the technology for solving beam mechanism time length is asked
Topic.
In addition, the fire fighting truck in above-mentioned technical proposal provided by the invention can also have following additional technical feature:
In the above-mentioned technical solutions, it is preferable that when beam mechanism is in retracted state, part telescopic arm is located at driver's cabin
Surface, telescopic arm and the second folding arm are located in same level.
In the technical scheme, the position of the beam mechanism under retracted state is made and further limits, work as beam mechanism
When in retracted state, telescopic arm is integrally located above driver's cabin, and part telescopic arm is located at the surface of driver's cabin, is stretched
Arm and the second folding arm are located in same level, so that telescopic arm be made to be transferred to driving in the space requirement part of length direction
Above room, to reduce the length requirement of fire fighting truck entirety, the fire fighting truck of equal length is allow to accommodate the longer telescopic arm of length,
And then realize optimization beam mechanism, the compact-sized degree of fire fighting truck is promoted, the technical effect of fire fighting truck practicability is promoted.
In any of the above-described technical solution, it is preferable that fire fighting truck further include: side mechanism, side mechanism include two phases
To hinged connecting pin, a connecting pin is connected with the second folding arm, another connecting pin is connected with telescopic arm.
In the technical scheme, it proposes a kind of telescopic arm side method: being additionally provided with side mechanism in beam mechanism,
In, side mechanism includes two relatively hinged connecting pins, and two connecting pins shift to install in the lateral or vertical direction, one of them
Connecting pin is connected with the second folding arm, another connecting pin is connected with telescopic arm.Specifically, side mechanism is mutually rotation
Connection and the first laterally disposed arm head and the second arm head composition, wherein the first arm head is connected with the second folding arm, the second arm
Head is connected with telescopic arm.In the course of work, the first arm head and the second arm head can be relatively rotated, to make the second folding arm and stretch
Contracting arm can be placed on same plane, and then efficiently use the lateral space of beam mechanism, reduce the cantilever crane under retracted state
The space requirement of the length direction of mechanism promotes the compact-sized degree of beam mechanism to realize the structure of optimization beam mechanism, contracts
Subtract beam mechanism space requirement, promotes the technical effect of product practicability.
In any of the above-described technical solution, it is preferable that the second folding arm is the jib structure laterally bent, telescopic arm and the
The side connecting pin of two-fold arm is hinged.
In the technical scheme, another telescopic arm side method is proposed: by setting lateral for the second folding arm
The jib structure of bending, instead of the side mechanism in the first telescopic arm side method, in assembling process, by by telescopic arm
It is hinged with the side connecting pin of the second folding arm, it is convenient to omit side mechanism simplifies jib structure.
In any of the above-described technical solution, it is preferable that driving mechanism includes: the first oil cylinder, one end of the first oil cylinder with turn
Seat is hinged, and the other end of the first oil cylinder is hinged with the first folding arm.
In the technical scheme, the first oil cylinder is provided in beam mechanism, it is preferred that one end of the first oil cylinder is oil cylinder bottom
Seat, the other end are oil cylinder telescopic end.The pedestal of first oil cylinder is hinged with swivel base, and the telescopic end of the first oil cylinder and first folds arm
It is hinged, and the first oil cylinder is connected by oil circuit with oil pump.In the course of work, hydraulic oil is pressed into the first oil cylinder by oil pump,
It stretches out the telescopic end of the first oil cylinder under the action of oil pressure, is unfolded to drive first to fold arm with respect to swivel base.It is corresponding, when
When oil pump draws back the hydraulic oil in the first oil cylinder, the telescopic end of the first oil cylinder bounces back, thus drive first fold arm withdraw with
On swivel base.Also, it is strong that oil cylinder driving has a bearing capacity, and movement is steady, the advantages that, so that beam mechanism is more suitable for heavily loaded field
It closes, to realize the structure of optimization beam mechanism, promotes the technical effect of beam mechanism kinetic stability and reliability.
In any of the above-described technical solution, it is preferable that fire fighting truck further include: third folds arm, the telescopic end with telescopic arm
It is hinged, it is that two sections fold arm that third, which folds arm,.
In the technical scheme, arm is folded by the way that the third being hinged with the telescopic end of telescopic arm is arranged, makes beam mechanism
It is in fold+flexible+structure folded, beam mechanism first passes through the first folding arm and the second folding arm for arm during the work time
Frame mechanism overturning get up, thereafter by telescopic arm by third folding arm lean out, finally by third fold arm adjustment operating position and
Operating angle.To allow beam mechanism by adjusting angle across the barrier in front of beam mechanism, and make cantilever crane machine
The working equipment that structure end is connected can fold the rotation of arm by third to adjust operating angle, to make beam mechanism can
It with the more accurate work of Portable device execution angle and orientation, and then realizes optimization beam mechanism, it is flexible to promote beam mechanism
The ability of degree and leaping over obstacles widens the stretching, extension coverage area of beam mechanism, promotes the skill of product work accuracy and reliability
Art effect.
It is that two sections fold arm that third, which folds arm, folds arm by setting two sections for third folding arm, improves third folding
The flexibility ratio of folded arm, folding third, arm is more flexible and convenient to execute fire-fighting work across barrier, while can be with
So that third is folded the work coverage area further expansion of arm, and then realize that optimization third folds arm configuration, promotes beam mechanism
The flexibility ratio that works and coverage area promote the technical effect of product functional reliability.
In any of the above-described technical solution, it is preferable that under retracted state, first folds arm, the second folding arm, telescopic arm
At least one section for folding arm with third is parallel to each other.
In the technical scheme, when beam mechanism is in retracted state, the first folding arm is rotated to horizontal position, relatively
, second folds arm, and telescopic arm and third folding arm equally pass through overturning and adjust to horizontal position, and beam mechanism is made to pass through folding
On the basis of folded foreshortened length by the horizontal stacked beam mechanism of reduction as far as possible it is horizontal and vertical under retracted state on space
Demand to keep beam mechanism more exquisite compact, and then realizes the structure of optimization beam mechanism, and reduction beam mechanism space needs
It asks, promotes the technical effect of product practicability.
In any of the above-described technical solution, it is preferable that driving mechanism further include: the first bar group, the first bar group includes: first
Rod piece, one end of the first rod piece and the other end of the first folding arm are hinged；Second rod piece, one end of the second rod piece and the second folding
One end of folded arm is hinged, and the other end of the second rod piece and the other end of the first rod piece are hinged；Second oil cylinder, the second oil cylinder
One end is hinged with the first folding arm, and the other end of the second oil cylinder is hinged with the first rod piece；Second bar group, the second bar group packet
Include: third rod piece, one end of third rod piece and the fixing end of telescopic arm are hinged；4th rod piece, one end of the 4th rod piece and the
The other end of two-fold arm is hinged, and the other end of the other end and third rod piece of the 4th rod piece is hinged；Third oil cylinder, third
One end of oil cylinder and the fixing end of telescopic arm are hinged, and the other end and the third rod piece of third oil cylinder are hinged；Third bar group, the
Three bar groups include: the 5th rod piece, and one end of the 5th rod piece and the telescopic end of telescopic arm are hinged；6th rod piece, the 6th rod piece
One end folds arm with third and is hinged, and the other end of the other end and the 5th rod piece of the 6th rod piece is hinged；4th oil cylinder, the 4th
One end of oil cylinder folds arm with third and is hinged, and the other end and the 5th rod piece of the 4th oil cylinder are hinged；Wherein, first arm is folded
It is not overlapped with the hinge joint of the second folding arm with the hinge joint of the first rod piece and the first folding arm；First, which folds arm and second, folds
The hinge joint of arm is not overlapped with the hinge joint of the second rod piece and the second folding arm；Second folds the hinge joint of arm and telescopic arm and the
The hinge joint of three rod pieces and telescopic arm is not overlapped；Second, which folds the hinge joint of arm and telescopic arm and the 4th rod piece and second, folds arm
Hinge joint be not overlapped；The hinge joint that telescopic arm and third fold arm is not overlapped with the hinge joint of the 5th rod piece and telescopic arm；It stretches
The hinge joint that contracting arm and third fold arm is not overlapped with the hinge joint that the 6th rod piece and third fold arm.
In the technical scheme, driving mechanism further includes the first bar group and the second oil cylinder, it is preferred that one end of the second oil cylinder
For cylinder pedestal, the other end is oil cylinder telescopic end.Wherein, the first bar group is made of the first rod piece and the second rod piece, the first rod piece
Upper setting is there are three hinge joint, and there are two hinge joints for setting on the second rod piece.In assembling process, first of the first rod piece is hinged
Point is hinged with the first folding arm, which is not overlapped with the hinge joint of the first folding arm and the second folding arm；Second rod piece
First hinge joint with second folding arm be hinged, the hinge joint equally with first fold arm and second fold arm hinge joint
It is not overlapped；Second hinge joint of the first rod piece is hinged with second hinge joint of the second rod piece.To by the first rod piece,
Between second rod piece, the first rod piece and first fold between the hinge joint of arm and the first folding arm and the hinge joint of the second folding arm
Every, the second rod piece and second fold arm hinge joint and first fold arm and second fold arm hinge joint between interval, shape
At one group of four-bar mechanism.On this basis, the pedestal of the second oil cylinder is hinged with the first folding arm, the telescopic end of the second oil cylinder
It is hinged with the third hinge joint of the first rod piece.In the course of work, hydraulic oil is pumped in the second oil cylinder by oil pump, the second oil
The telescopic end of cylinder stretches out under oil pressure, to push the first rod piece and the rotation of the second rod piece, under the action of above-mentioned four-bar mechanism,
Second folding arm is expanded to required operating angle from the position parallel with the first folding arm, and then realizes the second folding arm
Opposite first folding arm unfolds and folds, and realizes the structure of optimization beam mechanism, promotes beam mechanism flexibility ratio, reduction
Beam mechanism occupied space promotes the technical effect of product reliability and practicability.
Driving mechanism further includes the second bar group and third oil cylinder, it is preferred that one end of third oil cylinder is cylinder pedestal, another
End is oil cylinder telescopic end.Wherein, the second bar group is made of third rod piece and the 4th rod piece, and there are three hinged for setting on third rod piece
Point, there are two hinge joints for setting on the 4th rod piece.In assembling process, first hinge joint of third rod piece is mutually cut with scissors with telescopic arm
It connects, which is not overlapped with the hinge joint of the second folding arm and telescopic arm；First hinge joint of the 4th rod piece and the second folding
Folded arm is hinged, which is not overlapped with the hinge joint of the second folding arm and telescopic arm equally；Second hinge of third rod piece
Second hinge joint of contact and the 4th rod piece is hinged.To pass through third rod piece, the 4th rod piece, third rod piece and telescopic arm
Hinge joint and second fold interval between arm and the hinge joint of telescopic arm, the 4th rod piece and the second folding arm hinge joint and
Second folds the interval between arm and the hinge joint of telescopic arm, forms one group of four-bar mechanism.On this basis, third oil cylinder
Pedestal is hinged with telescopic arm, and the telescopic end of third oil cylinder is hinged with the third hinge joint of third rod piece.In the course of work,
Hydraulic oil is pumped in third oil cylinder by oil pump, and the telescopic end of third oil cylinder stretches out under oil pressure, to push third rod piece and
The rotation of four rod pieces, under the action of above-mentioned four-bar mechanism, telescopic arm is expanded to institute from the position parallel with the second folding arm
The operating angle needed, and then telescopic arm unfolding and folding with respect to the second folding arm is realized, and realize optimization beam mechanism
Structure, promote beam mechanism flexibility ratio, reduce beam mechanism occupied space, the technology for promoting product reliability and practicability is imitated
Fruit.
Driving mechanism further includes third bar group and the 4th oil cylinder, it is preferred that one end of the 4th oil cylinder is cylinder pedestal, another
End is oil cylinder telescopic end.Wherein, third bar group is made of the 5th rod piece and the 6th rod piece, and there are three hinged for setting on the 5th rod piece
Point, there are two hinge joints for setting on the 6th rod piece.In assembling process, first hinge joint of the 5th rod piece is mutually cut with scissors with telescopic arm
It connects, which is not overlapped with the hinge joint that telescopic arm and third fold arm；First hinge joint and third of 6th rod piece are rolled over
Folded arm is hinged, and the hinge joint which equally folds arm with telescopic arm and third is not overlapped；Second hinge of the 5th rod piece
Second hinge joint of contact and the 6th rod piece is hinged.To pass through the 5th rod piece, the 6th rod piece, the 5th rod piece and telescopic arm
Hinge joint and telescopic arm and third fold interval, the 6th rod piece and third between the hinge joint of arm fold arm hinge joint and
Telescopic arm and third fold the interval between the hinge joint of arm, form one group of four-bar mechanism.On this basis, the 4th oil cylinder
Pedestal folds arm with third and is hinged, and the third hinge joint of the telescopic end and the 5th rod piece of the 4th oil cylinder is hinged.It is worked
Hydraulic oil is pumped in the 4th oil cylinder by Cheng Zhong, oil pump, and the telescopic end of the 4th oil cylinder stretches out under oil pressure, to push the 5th rod piece
It is rotated with the 6th rod piece, under the action of above-mentioned four-bar mechanism, third folds arm and is unfolded from the position parallel with telescopic arm
Extremely required operating angle, and then realize third and fold unfolding and folding for arm relative telescopic arm, and realize optimization cantilever crane
The structure of mechanism promotes beam mechanism flexibility ratio, reduces beam mechanism occupied space, promotes the skill of product reliability and practicability
Art effect.
In any of the above-described technical solution, it is preferable that telescopic arm is two section telescopic arms or three section telescopic arms.
In the technical scheme, telescopic arm is two section telescopic arms or three section telescopic arms.By taking three section telescopic arms as an example, specifically
Ground, telescopic arm is by one section of telescopic arm, two sections of telescopic arms and three sections of telescopic arm compositions.One section of telescopic arm is the main body knot of telescopic arm
Structure, one section fold arm with the second son and are hinged, the generally internal tubular structure comprising cavity.Two sections of telescopic arms are all interior
Portion is provided with the tubular structure of cavity, is set in the cavity of one section of folding arm.Folded in three arm is set to and section folds arm
Cavity in.When telescopic arm does not extend, two sections of telescopic arms are located in the cavity of one section of telescopic arm, and three sections of telescopic arms are located at two sections
In the cavity of telescopic arm；When telescopic arm elongation, the cavity extending direction that two sections of telescopic arms fold arm along one section stretches out, and three sections are stretched
Contracting arm is stretched out along the cavity extending direction of two sections of telescopic arms, so that the be connected with three sections of telescopic arms second folding arm be extended to
At required operating position.The telescopic arm of nested type space shared under retracted state is smaller, can make beam mechanism more
It is exquisite compact, and the flexible duration of the nested type telescopic arm of multistage is shorter, and assigned work can be rapidly completed in a short time, with
Contraction time is saved, and then realizes optimization beam mechanism, promotes telescopic arm working efficiency, product with compact structure degree is promoted, mentions
Rise the technical effect of product functional reliability.
In any of the above-described technical solution, it is preferable that fire fighting truck further include: water cannon is set to the end that third folds arm；
Water system is set on chassis；Pipe-line system is set on chassis, and one end of pipe-line system is connected with water system, pipe
The other end of road system extends along the beam mechanism and is connected with water cannon.
In the technical scheme, water cannon is set by folding arm in third, allows fire fighting truck by stretching beam mechanism
Water cannon is transported at fire source and fire source is put out by the water jets under high pressure that water cannon projects, to realize fire-fighting operation.Wherein, chassis
On be additionally provided with the water system and pipe-line system for maintaining water cannon work, water system, pipe-line system and water cannon be sequentially connected, work
Fire demand water is pumped in pipe-line system by water system during work, and is finally sprayed from water cannon, to be completed by water cannon
Fire-fighting operation.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the structural schematic diagram of the fire fighting truck provided according to one embodiment of present invention；
Fig. 2 shows the structural schematic diagrams of the fire fighting truck provided according to another embodiment of the invention；
Fig. 3 shows the top view for the fire fighting truck that embodiment as shown in Figure 2 provides；
Fig. 4 shows the structural schematic diagram of the first bar group provided according to one embodiment of present invention；
Fig. 5 shows the structural schematic diagram of the second bar group provided according to one embodiment of present invention；
Fig. 6 shows the structural schematic diagram of the third bar group provided according to one embodiment of present invention；
Fig. 7 shows the structural schematic diagram for the biasing mechanism that embodiment as shown in Figure 1 provides；
Fig. 8 shows the bottom view for the biasing mechanism that embodiment as shown in Figure 7 provides.
Wherein, corresponding relationship of the Fig. 1 into Fig. 8 between appended drawing reference and component names are as follows:
1 fire fighting truck, 10 chassis, 102 driver's cabins, 12 swivel bases, 14 beam mechanisms, 142 first fold arm, and 144 second fold
Arm, 146 telescopic arms, 148 1 sections of telescopic arms, 150 2 sections of telescopic arms, 152 3 sections of telescopic arms, 154 side mechanisms, 156 thirds folding
Folded arm, 162 first oil cylinders, 164 first bar groups, 166 first rod pieces, 168 second rod pieces, 170 second oil cylinders, 172 second bar groups,
174 third rod pieces, 176 the 4th rod pieces, 178 third oil cylinders, 180 third bar groups, 182 the 5th rod pieces, 184 the 6th rod pieces, 186
Four oil cylinders, 20 water cannons.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to the fire fighting truck 1 of Fig. 1 to Fig. 8 description according to some embodiments of the invention.
In view of this, according to an embodiment of the invention, fire fighting truck 1 includes: as shown in Figure 1, proposing a kind of fire fighting truck 1
Chassis 10, the one end on chassis 10 are provided with driver's cabin 102；Transposase 11 2 is set on chassis 10；Beam mechanism 14, beam mechanism
14 include: the first folding arm 142, and one end of the first folding arm 142 is hinged with transposase 11 2；Second folds arm 144, and second folds
One end of arm 144 and the other end of the first folding arm 142 are hinged；Telescopic arm 146, the fixing end of telescopic arm 146 and the second folding
The other end of folded arm 144 is hinged；Driving mechanism is connected with beam mechanism 14, to drive beam mechanism 14 to be unfolded or withdraw；
Wherein, when beam mechanism 14 is in retracted state, second, which folds arm 144, is located at right above the first folding arm 142, telescopic arm 146
144 side of arm is folded positioned at second.
The beam mechanism 14 provided according to the present invention, chassis 10 is the main body supporting structure of fire fighting truck 1, for carrying and propping up
The other structures on fire fighting truck 1 are supportted, are provided with driver's cabin 102 on the one end on chassis 10, user can complete pair in driver's cabin 102
The manipulation of fire fighting truck 1.Transposase 11 2 is the understructure of beam mechanism 14, and beam mechanism 14 is by transposase 11 2 in works such as fire fighting trucks 1
Journey equipment is connected, to drive beam mechanism 14 to rotate together with transposase 11 2.The beam mechanism 14 is made of three parts: first
Part folds arm 142 for first, and the first end of the first folding arm 142 is hinged with transposase 11 2, and first folds arm in the course of work
142 rotate relative to transposase 11 2；Second part is the second folding arm 144, and second, which folds the first end of arm 144 and first, folds arm
142 second end is hinged, and second folds arm 144 relative to the first folding rotation of arm 142 in the course of work；Part III is flexible
Arm 146, telescopic arm 146 are the cantilever crane of adjustable in length, the second end phase that the fixing end of telescopic arm 146 folds arm 144 with second
Hingedly, the second end that telescopic arm 146 folds arm 142 relative to first in the course of work rotates, and elongates or shortens on this basis.
Driving mechanism is the dynamic structure of beam mechanism 14, is used to provide power into beam mechanism 14, to realize beam mechanism 14
Rotation.
Arm 142 and second is folded by setting first and folds arm 144, and beam mechanism 14 is made to fold 142 turns of arm by first
After dynamic overturning is got up, the operating angle that arm 144 further adjusts beam mechanism 14 further is folded by second, to strengthen
The flexibility of beam mechanism 14 allows beam mechanism 14 to fold arm 142 and second by first and folds the leap of arm 144 front
Barrier.By the way that telescopic arm 146 is arranged, the work coverage area of beam mechanism 14, also, telescopic arm 146 have been increased considerably
It takes up space under recycling state smaller, the occupied space of beam mechanism 14 can be reduced, in addition telescopic arm opening speed is fast,
Be conducive to quickly carry out fire-fighting fire extinguishing.And then the structure of optimization beam mechanism 14 is realized, 14 flexibility ratio of beam mechanism is promoted, is mentioned
Rise the technical effect of product work precision and reliability.
On this basis, the present invention also specifically defines the spatial position of beam mechanism 14.Specifically, in beam mechanism
14 when being in retracted state, and second, which folds arm 144, is located at first and folds right above arm 142, and telescopic arm 146 is located at second and folds arm
144 sides.By limiting spatial relation, make beam mechanism 14 during expansion, first folds arm 142 with respect to transposase 11 2
It is rotated in front of towards fire fighting truck 1, second, which folds arm 144, folds arm 142 towards the rotation of 1 rear of fire fighting truck, 146 phase of telescopic arm relative to first
To the second folding arm 144 towards rotating in front of fire fighting truck 1, to form the beam mechanism 14 of zigzag expansion.By by beam mechanism 14
It is set as the beam mechanism 14 of zigzag expansion, so that first on beam mechanism 14 folds arm 142, second folds arm 144 and stretch
Contracting arm 146 can start simultaneously at rotation, avoid the occurrence of the first folding arm 142, and the second folding arm 144 and telescopic arm 146 are unfolded simultaneously
When the problem of interfering, to reduce the duration of run of beam mechanism 14.Meanwhile the beam mechanism 14 of zigzag expansion
Front end stretched out in front of driver's cabin 102, so that fire fighting truck 1 is stretched out beam mechanism 14 at the first time after driving towards fire source and hold
Row fire-fighting operation eliminates the process turned headstock and rotate transposase 11 2, thus when further reducing the preparation of beam mechanism 14
Between, and then realize optimization beam mechanism 14, reduce 14 duration of run of beam mechanism, promote 1 working efficiency of fire fighting truck, promotes product
The technical effect of reliability.
Specifically, in existing water tower fire truck, multiple sub- cantilever cranes in beam mechanism are unfolded in the same direction, exhibition
Every level-one cantilever crane needs to wait for that rotation just can be performed after upper level cantilever crane turns an angle in open procedure, thus when wasting a large amount of
Between, and then cause the technical problem under fire-fighting efficiency.Meanwhile in existing water tower fire truck, beam mechanism is from fire-fighting
Tailstock portion is stretched out, and when executing fire-fighting operation, needs that user turns the direction of fire fighting truck or unitary rotation beam mechanism just can be to driving
It sails fire source in front of room and executes fire-fighting operation, and then bring time too long, the technical issues of inefficiency.For above-mentioned skill
Art problem, the present invention make the first folding arm 142, second folds 144 He of arm by setting zigzag expansion for beam mechanism 14
Telescopic arm 146 can rotate simultaneously in first time, interfere inside beam mechanism 14 to solve, duration of run length
Technical problem.Also, the present invention is stretched out in front of driver's cabin 102 by the way that 14 front end of zigzag beam mechanism is arranged, and allows user
It is uncomfortable change trains or buses a direction and unitary rotation beam mechanism 14 in the case where execute fire-fighting operation, to solve beam mechanism 14
The technical problem of time length.
In one embodiment of the invention, it is preferable that as shown in Figures 2 and 3, beam mechanism 14 is in retracted state
When, part telescopic arm 146 is located at the surface of driver's cabin 102, and telescopic arm 146 and the second folding arm 144 are located at same level
On.
In this embodiment, the position of the beam mechanism 14 under retracted state is made and further limits, work as beam mechanism
14 when being in retracted state, and telescopic arm 146 is integrally located at the top of driver's cabin 102, and part telescopic arm 146 is located at driver's cabin
102 surface, telescopic arm 146 and the second folding arm 144 are located in same level, to make telescopic arm 146 in length side
To space requirement part be transferred to the top of driver's cabin 102, to reduce the whole length requirement of fire fighting truck 1, make equal length
Fire fighting truck 1 can accommodate the longer telescopic arm 146 of length, and then realize optimization beam mechanism 14, and it is compact-sized to promote fire fighting truck 1
Degree promotes the technical effect of 1 practicability of fire fighting truck.
In one embodiment of the invention, it is preferable that as shown in Figure 7 and Figure 8, fire fighting truck 1 further include: side mechanism
154, side mechanism 154 includes two relatively hinged connecting pins, and a connecting pin is connected with the second folding arm 144, another
A connecting pin is connected with telescopic arm 146.
In this embodiment, it proposes a kind of telescopic arm side method: being additionally provided with side mechanism in beam mechanism 14
154, wherein side mechanism 154 includes two relatively hinged connecting pins, and two connecting pins misplace in the lateral or vertical direction to be set
It sets, one of connecting pin is connected with the second folding arm 144, another connecting pin is connected with telescopic arm 146.Specifically,
Side mechanism 154 is mutually rotation connection and the first laterally disposed arm head and the second arm head composition, wherein the first arm head and the
Two-fold arm 144 is connected, and the second arm head is connected with telescopic arm 146.In the course of work, the first arm head and the second arm head can phases
To rotation, so that the second folding arm 144 and telescopic arm 146 be allow to be placed on same plane, and then cantilever crane machine is efficiently used
14 side of structure to space, reduce retracted state under beam mechanism 14 length direction space requirement, to realize optimization cantilever crane
The structure of mechanism 14 promotes the compact-sized degree of beam mechanism 14, reduces 14 space requirement of beam mechanism, promotes product practicability
Technical effect.
In one embodiment of the invention, it is preferable that the second folding arm 144 is the jib structure laterally bent, is stretched
Arm 146 and the side connecting pin of the second folding arm 144 are hinged.
In this embodiment, another 146 side method of telescopic arm is proposed: by setting the second folding arm 144 to
The jib structure laterally bent in assembling process, leads to instead of the side mechanism 154 in the first 146 side method of telescopic arm
It crosses and telescopic arm 146 and the side connecting pin of the second folding arm 144 is hinged, it is convenient to omit side mechanism 154 simplifies cantilever crane knot
Structure.
In one embodiment of the invention, it is preferable that as shown in Figure 1, driving mechanism includes: the first oil cylinder 162, first
One end of oil cylinder 162 is hinged with transposase 11 2, and the other end of the first oil cylinder 162 is hinged with the first folding arm 142.
In this embodiment, the first oil cylinder 162 is provided in beam mechanism 14, it is preferred that one end of the first oil cylinder 162 is
Cylinder pedestal, the other end are oil cylinder telescopic end.The pedestal of first oil cylinder 162 is hinged with transposase 11 2, and the first oil cylinder 162 stretches
End is hinged with the first folding arm 142, and the first oil cylinder 162 is connected by oil circuit with oil pump.In the course of work, oil pump is by liquid
Pressure oil is pressed into the first oil cylinder 162, stretches out the telescopic end of the first oil cylinder 162 under the action of oil pressure, to drive the first folding
The opposite transposase 11 2 of folded arm 142 is unfolded.It is corresponding, when oil pump draws back the hydraulic oil in the first oil cylinder 162, the first oil cylinder 162
Telescopic end retraction, thus drive first fold arm 142 withdraw with transposase 11 2 on.Also, it is strong that oil cylinder driving has a bearing capacity,
Movement is steady, the advantages that, so that beam mechanism 14 is more suitable for heavily loaded occasion, to realize the structure of optimization beam mechanism 14, is promoted
The technical effect of beam mechanism 14 kinetic stability and reliability.
In one embodiment of the invention, it is preferable that as shown in Figure 1, fire fighting truck 1 further include: third folds arm 156,
It is hinged with the telescopic end of telescopic arm 146, it is that two sections fold arm that third, which folds arm 156,.
In this embodiment, arm 156 is folded by the way that the third being hinged with the telescopic end of telescopic arm 146 is arranged, makes cantilever crane
Mechanism 14 is in folding+stretching+, and the structure folded, beam mechanism 14 first pass through the first folding arm 142 and second during the work time
It folds arm 144 overturning of beam mechanism 14 is got up, thereafter be leant out third folding arm 156 by telescopic arm 146, finally by third
It folds arm 156 and adjusts operating position and operating angle.To allow beam mechanism 14 to cross over beam mechanism 14 by adjusting angle
The barrier in front, and the working equipment that 14 end of beam mechanism is connected folds turning for arm 156 by third
It moves to adjust operating angle, thus make beam mechanism 14 that can execute the more accurate work of angle and orientation with Portable device, into
And realize optimization beam mechanism 14, the ability of beam mechanism 14 flexibility ratio and leaping over obstacles is promoted, stretching for beam mechanism 14 is widened
Coverage area is opened up, the technical effect of product work accuracy and reliability is promoted.
It is that two sections fold arm that third, which folds arm 156, folds arm by setting two sections for third folding arm 156, improves
Third folds the flexibility ratio of arm 156, and folding third, arm 156 is more flexible and convenient to execute fire-fighting work across barrier
Make, while third can also be made to fold the work coverage area further expansion of arm 156, and then realizes that optimization third folds arm
156 structures promote the work flexibility ratio of beam mechanism 14 and coverage area, promote the technical effect of product functional reliability.
In one embodiment of the invention, it is preferable that as shown in Figures 2 and 3, under retracted state, first folds arm
142, at least one section of the second folding arm 144, telescopic arm 146 and third folding arm 156 is parallel to each other.
In this embodiment, when beam mechanism 14 is in retracted state, first, which folds arm 142, rotates to horizontal position,
Opposite, second folds arm 144, and telescopic arm 146 and third fold arm 156 and equally adjusted by overturning to horizontal position, makes arm
Frame mechanism 14 is on the basis of by folding foreshortened length through the horizontal stacked beam mechanism 14 of reduction as far as possible under retracted state
Space requirement on horizontal and vertical to keep beam mechanism 14 more exquisite compact, and then realizes optimization beam mechanism 14
Structure reduces 14 space requirement of beam mechanism, promotes the technical effect of product practicability.
In one embodiment of the invention, it is preferable that as shown in Fig. 4 Fig. 5 and Fig. 6, driving mechanism further include: the first bar
Group 164, the first bar group 164 include: the first rod piece 166, the other end phase that one end of the first rod piece 166 folds arm 142 with first
Hingedly；Second rod piece 168, one end of the second rod piece 168 and second folding arm 144 one end be hinged, the second rod piece 168 it is another
One end and the other end of the first rod piece 166 are hinged；Second oil cylinder 170, one end of the second oil cylinder 170 fold arm 142 with first
It is hinged, the other end of the second oil cylinder 170 is hinged with the first rod piece 166；Second bar group 172, the second bar group 172 include:
Three rod pieces 174, one end of third rod piece 174 and the fixing end of telescopic arm 146 are hinged；4th rod piece 176, the 4th rod piece 176
One end and the other end of the second folding arm 144 be hinged, the other end of the other end of the 4th rod piece 176 and third rod piece 174
It is hinged；Third oil cylinder 178, one end of third oil cylinder 178 and the fixing end of telescopic arm 146 are hinged, third oil cylinder 178 it is another
One end is hinged with third rod piece 174；Third bar group 180, third bar group 180 include: the 5th rod piece 182, the 5th rod piece 182
One end and the telescopic end of telescopic arm 146 are hinged；6th rod piece 184, one end and the third of the 6th rod piece 184 fold 156 phase of arm
Hingedly, the other end of the other end and the 5th rod piece 182 of the 6th rod piece 184 is hinged；4th oil cylinder 186, the 4th oil cylinder 186
One end folds arm 156 with third and is hinged, and the other end and the 5th rod piece 182 of the 4th oil cylinder 186 are hinged；Wherein, the first folding
The hinge joint of folded arm 142 and the second folding arm 144 is not overlapped with the hinge joint of the first rod piece 166 and the first folding arm 142；First
The hinge joint for folding arm 142 and the second folding arm 144 is not overlapped with the hinge joint of the second rod piece 168 and the second folding arm 144；The
The hinge joint of two-fold arm 144 and telescopic arm 146 is not overlapped with the hinge joint of third rod piece 174 and telescopic arm 146；Second folds
The hinge joint of arm 144 and telescopic arm 146 is not overlapped with the hinge joint of the 4th rod piece 176 and the second folding arm 144；Telescopic arm 146
The hinge joint for folding arm 156 with third is not overlapped with the hinge joint of the 5th rod piece 182 and telescopic arm 146；Telescopic arm 146 and third
The hinge joint for folding arm 156 is not overlapped with the hinge joint that the 6th rod piece 184 and third fold arm 156.
In this embodiment, driving mechanism further includes the first bar group 164 and the second oil cylinder 170, it is preferred that the second oil cylinder
170 one end is cylinder pedestal, and the other end is oil cylinder telescopic end.Wherein, the first bar group 164 is by the first rod piece 166 and the second bar
Part 168 forms, hinge joint there are three settings on the first rod piece 166, and there are two hinge joints for setting on the second rod piece 168.It assembled
Cheng Zhong, first hinge joint of the first rod piece 166 with first folding arm 142 be hinged, the hinge joint with first folding arm 142 and
The hinge joint of second folding arm 144 is not overlapped；First hinge joint of the second rod piece 168 is hinged with the second folding arm 144, should
Hinge joint is not overlapped with the hinge joint of the first folding arm 142 and the second folding arm 144 equally；Second hinge of the first rod piece 166
Second hinge joint of contact and the second rod piece 168 is hinged.To pass through the first rod piece 166, the second rod piece 168, the first bar
Part 166 and first fold arm 142 hinge joint and first fold arm 142 and second fold arm 144 hinge joint between interval,
Second rod piece 168 and second folds the hinge joint of arm 144 and the first folding arm 142 and second folds between the hinge joint of arm 144
Interval, formed one group of four-bar mechanism.On this basis, the pedestal of the second oil cylinder 170 is hinged with the first folding arm 142,
The telescopic end of second oil cylinder 170 and the third hinge joint of the first rod piece 166 are hinged.In the course of work, oil pump is by hydraulic oil
It is pumped in the second oil cylinder 170, the telescopic end of the second oil cylinder 170 stretches out under oil pressure, to push the first rod piece 166 and the second bar
Part 168 rotates, and under the action of above-mentioned four-bar mechanism, second folds arm 144 from the position parallel with the first folding arm 142
It is expanded to required operating angle, and then realizes unfolding and folding for the opposite first folding arm 142 of the second folding arm 144, and
The structure of optimization beam mechanism 14 is realized, 14 flexibility ratio of beam mechanism is promoted, reduces 14 occupied space of beam mechanism, is promoted and is produced
The technical effect of product reliability and practicability.
Driving mechanism further includes the second bar group 172 and third oil cylinder 178, it is preferred that one end of third oil cylinder 178 is oil cylinder
Pedestal, the other end are oil cylinder telescopic end.Wherein, the second bar group 172 is made of third rod piece 174 and the 4th rod piece 176, third bar
Setting is there are three hinge joint on part 174, and there are two hinge joints for setting on the 4th rod piece 176.In assembling process, third rod piece 174
First hinge joint be hinged with telescopic arm 146, the hinge joint and second folds the hinge joint of arm 144 and telescopic arm 146 not
It is overlapped；First hinge joint of the 4th rod piece 176 is hinged with the second folding arm 144, which equally folds arm with second
144 and the hinge joint of telescopic arm 146 be not overlapped；Second hinge joint of third rod piece 174 and second hinge of the 4th rod piece 176
Contact is hinged.To pass through third rod piece 174, the 4th rod piece 176, the hinge joint of third rod piece 174 and telescopic arm 146 and the
Interval between two-fold arm 144 and the hinge joint of telescopic arm 146, the 4th rod piece 176 and second fold arm 144 hinge joint and
Second folds the interval between arm 144 and the hinge joint of telescopic arm 146, forms one group of four-bar mechanism.On this basis, third
The pedestal of oil cylinder 178 is hinged with telescopic arm 146, the telescopic end of third oil cylinder 178 and the third hinge joint of third rod piece 174
It is hinged.In the course of work, hydraulic oil is pumped in third oil cylinder 178 by oil pump, and the telescopic end of third oil cylinder 178 is under oil pressure
Stretch out, to push third rod piece 174 and the 4th rod piece 176 to rotate, under the action of above-mentioned four-bar mechanism, telescopic arm 146 from
The position parallel with the second folding arm 144 is expanded to required operating angle, and then realizes telescopic arm 146 with respect to the second folding
Folded arm 144 unfolds and folds, and realizes the structure of optimization beam mechanism 14, promotes 14 flexibility ratio of beam mechanism, reduces arm
14 occupied space of frame mechanism promotes the technical effect of product reliability and practicability.
Driving mechanism further includes third bar group 180 and the 4th oil cylinder 186, it is preferred that one end of the 4th oil cylinder 186 is oil cylinder
Pedestal, the other end are oil cylinder telescopic end.Wherein, third bar group 180 is made of the 5th rod piece 182 and the 6th rod piece 184, the 5th bar
Setting is there are three hinge joint on part 182, and there are two hinge joints for setting on the 6th rod piece 184.In assembling process, the 5th rod piece 182
First hinge joint be hinged with telescopic arm 146, the hinge joint and telescopic arm 146 and third fold the hinge joint of arm 156 not
It is overlapped；First hinge joint of the 6th rod piece 184 and third fold arm 156 and are hinged, the hinge joint equally with telescopic arm 146 and
The hinge joint that third folds arm 156 is not overlapped；Second hinge joint of the 5th rod piece 182 and second hinge of the 6th rod piece 184
Contact is hinged.To by the 5th rod piece 182, the 6th rod piece 184, the 5th rod piece 182 and telescopic arm 146 hinge joint and stretch
Contracting arm 146 and third fold interval between the hinge joint of arm 156, the 6th rod piece 184 and third fold arm 156 hinge joint and
Telescopic arm 146 and third fold the interval between the hinge joint of arm 156, form one group of four-bar mechanism.On this basis, the 4th
The pedestal of oil cylinder 186 folds arm 156 with third and is hinged, and the telescopic end of the 4th oil cylinder 186 and the third of the 5th rod piece 182 are cut with scissors
Contact is hinged.In the course of work, hydraulic oil is pumped in the 4th oil cylinder 186 by oil pump, and the telescopic end of the 4th oil cylinder 186 is in oil
Pressure is stretched out, and to push the 5th rod piece 182 and the rotation of the 6th rod piece 184, under the action of above-mentioned four-bar mechanism, third is folded
Arm 156 is expanded to required operating angle from the position parallel with telescopic arm 146, and then realizes third and fold 156 phase of arm
To unfolding and folding for telescopic arm 146, and the structure of optimization beam mechanism 14 is realized, promotes 14 flexibility ratio of beam mechanism, contracting
Subtract 14 occupied space of beam mechanism, promotes the technical effect of product reliability and practicability.
In one embodiment of the invention, it is preferable that as shown in Figure 1, telescopic arm 146 is that two section telescopic arms or three sections are stretched
Contracting arm.
In this embodiment, telescopic arm 146 is two section telescopic arms or three section telescopic arms 146.By taking three section telescopic arms as an example, tool
Body, telescopic arm 146 is made of one section of telescopic arm 148, two sections of telescopic arms 150 and three sections of telescopic arms 152.One section of telescopic arm 148
For the main structure of telescopic arm 146, one section folds arm with the second son and is hinged, the generally internal tubulose knot comprising cavity
Structure.Two sections of telescopic arms 150 are all the tubular structure for being internally provided with cavity, are set in the cavity of one section of folding arm.Three sections
Folding arm is set to and section folds in the cavity of arm.When telescopic arm 146 does not extend, two sections of telescopic arms 150 are located at one section and stretch
In the cavity of arm 148, three sections of telescopic arms 152 are located in the cavity of two sections of telescopic arms 150；When telescopic arm 146 extends, two sections are stretched
The cavity extending direction that contracting arm 150 folds arm along one section stretches out, and three sections of telescopic arms 152 extend along the cavity of two sections of telescopic arms 150
Direction is stretched out, so that the be connected with three sections of telescopic arms 152 second folding arm 144 be extended at required operating position.It is embedding
The telescopic arm 146 of shell type space shared under retracted state is smaller, and beam mechanism 14 can be made more exquisite compact and more
The flexible duration of the nested type telescopic arm 146 of section is shorter, assigned work can be rapidly completed in a short time, when saving flexible
Between, and then optimization beam mechanism 14 is realized, 146 working efficiency of telescopic arm is promoted, product with compact structure degree is promoted, promotes product
The technical effect of functional reliability.
In one embodiment of the invention, it is preferable that as shown in Figure 1, fire fighting truck 1 further include: water cannon 20 is set to
Three fold the end of arm 156；Water system is set on chassis 10；Pipe-line system is set on chassis 10, pipe-line system
One end is connected with water system, and the other end of pipe-line system extends along the beam mechanism 10 and is connected with water cannon 20.
In this embodiment, water cannon 20 is set by folding arm 156 in third, allows fire fighting truck 1 by stretching cantilever crane
Water cannon 20 is transported at fire source and puts out fire source by the water jets under high pressure that water cannon 20 projects by mechanism 14, to realize that fire-fighting is made
Industry.Wherein, the water system and pipe-line system for maintaining water cannon 20 to work, water system, pipe-line system are additionally provided on chassis 10
It is sequentially connected with water cannon 20, fire demand water is pumped in pipe-line system by water system in the course of work, and finally from water cannon 20
Place sprays, to complete fire-fighting operation by water cannon 20.
In one particular embodiment of the present invention, beam mechanism 14 can also have following prolongation structure:
1) arm 142 can be folded by first on the basis of first folds arm 142 and second folds the space layout of arm 144
Or second folding arm 144 be split as multiple sub- folding arms；
2) telescopic arm 146 includes but is not limited to three sections, can be stretched in one section of telescopic arm, 148, two sections of telescopic arms 150 and three sections
The sub- telescopic arm 146 of more stages is added on the basis of contracting arm 152；
3) it includes but is not limited to a section that third, which folds arm 156, and third folds arm 156 and can be made of multiple sub- folding arms；
4) end that third folds arm 156 can also install any other fire plant in addition to installing water cannon 20, such as:
Fireman's holder and solid-state fire-fighting agent nozzle；
5) go out outside the driving mechanism of oil cylinder described in scheme and bar group, hydraulic motor can also be set and directly drive hinge
The structure at contact both ends rotates.
In the present invention, the terms such as term " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example,
" connection " may be fixed connection or may be dismantle connection, or integral connection；" connected " can be directly connected,
It can be indirectly connected through an intermediary.For the ordinary skill in the art, on can understanding as the case may be
State the concrete meaning of term in the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of fire fighting truck, which is characterized in that the fire fighting truck includes:
The one end on chassis, the chassis is provided with driver's cabin；
Swivel base is set on the chassis；
Beam mechanism, the beam mechanism include:
First folds arm, and one end of the first folding arm is hinged with the swivel base；
Second folds arm, and one end of the second folding arm and the other end of the first folding arm are hinged；
Telescopic arm, the fixing end of the telescopic arm and the other end of the second folding arm are hinged；
Driving mechanism is connected with the beam mechanism, to drive the beam mechanism to be unfolded or withdraw；
Wherein, when the beam mechanism is in retracted state, described second, which folds arm, is located above the first folding arm, described
Telescopic arm is located at described second and folds arm side.
2. fire fighting truck according to claim 1, which is characterized in that when the beam mechanism is in retracted state, part institute
The surface that telescopic arm is located at the driver's cabin is stated, the telescopic arm and the second folding arm are located in same level.
3. fire fighting truck according to claim 1, which is characterized in that further include:
Side mechanism, the side mechanism include two relatively hinged connecting pins, a connecting pin and second folding
Folded arm is connected, another described connecting pin is connected with the telescopic arm.
4. fire fighting truck according to claim 1, which is characterized in that the second folding arm is the cantilever crane knot laterally bent
The side connecting pin of structure, the telescopic arm and the second folding arm is hinged.
5. fire fighting truck according to claim 1, which is characterized in that the driving mechanism includes:
First oil cylinder, pedestal and the swivel base of first oil cylinder are hinged, the telescopic end of first oil cylinder and described the
One folding arm is hinged.
6. fire fighting truck according to claim 1, which is characterized in that further include:
Third folds arm, is hinged with the telescopic end of the telescopic arm, and it is that two sections fold arm that the third, which folds arm,.
7. fire fighting truck according to claim 6, which is characterized in that under retracted state, described first folds arm, described the
Two-fold arm, the telescopic arm and the third fold arm at least one section are parallel to each other.
8. fire fighting truck according to claim 7, which is characterized in that the driving mechanism further include:
First bar group, the first bar group include:
First rod piece, one end of first rod piece and the other end of the first folding arm are hinged；
Second rod piece, one end of second rod piece and it is described second folding arm one end be hinged, second rod piece it is another
One end and the other end of first rod piece are hinged；
Second oil cylinder, the pedestal of second oil cylinder with it is described first folding arm be hinged, the telescopic end of second oil cylinder with
First rod piece is hinged；
Second bar group, the second bar group include:
Third rod piece, one end of the third rod piece and the fixing end of the telescopic arm are hinged；
4th rod piece, one end of the 4th rod piece and the other end of the second folding arm are hinged, the 4th rod piece
The other end of the other end and the third rod piece is hinged；
The fixing end of third oil cylinder, the pedestal and the telescopic arm of the third oil cylinder is hinged, and the third oil cylinder stretches
End is hinged with the third rod piece；
Third bar group, the third bar group include:
5th rod piece, one end of the 5th rod piece and the telescopic end of the telescopic arm are hinged；
6th rod piece, one end of the 6th rod piece and the third fold arm and are hinged, the other end of the 6th rod piece with
The other end of 5th rod piece is hinged；
Wherein, the hinge joint and first rod piece and described first of the first folding arm and the second folding arm fold arm
Hinge joint be not overlapped；
Described first, which folds arm and described second, folds the hinge joint of arm and the hinge of second rod piece and the second folding arm
Contact is not overlapped；
The hinge joint of the hinge joint and the third rod piece and the telescopic arm of the second folding arm and the telescopic arm does not weigh
It closes；
Described second, which folds the hinge joint of arm and the telescopic arm and the 4th rod piece and described second, folds the hinge joint of arm
It is not overlapped；
The hinge joint of hinge joint and the 5th rod piece and the telescopic arm that the telescopic arm and the third fold arm does not weigh
It closes；
The telescopic arm and the third fold the hinge joint of arm and the hinge joint of the 6th rod piece and third folding arm
It is not overlapped.
9. fire fighting truck according to any one of claim 1 to 8, which is characterized in that the telescopic arm is two section telescopic arms
Or three section telescopic arm.
10. the fire fighting truck according to any one of claim 6 to 8, which is characterized in that further include:
Water cannon is set to the end that the third folds arm；
Water system is set on the chassis；
Pipe-line system is set on the chassis, and one end of the pipe-line system is connected with the water system, the pipeline
The other end of system extends along the beam mechanism and is connected with the water cannon.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910484562.0A CN110075453A (en) | 2019-06-05 | 2019-06-05 | Fire fighting truck |
| PCT/CN2019/093571 WO2020244008A1 (en) | 2019-06-05 | 2019-06-28 | Fire engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910484562.0A CN110075453A (en) | 2019-06-05 | 2019-06-05 | Fire fighting truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110075453A true CN110075453A (en) | 2019-08-02 |
Family
ID=67423665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910484562.0A Pending CN110075453A (en) | 2019-06-05 | 2019-06-05 | Fire fighting truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110075453A (en) |
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| WO2020244007A1 (en) * | 2019-06-05 | 2020-12-10 | 三一汽车制造有限公司 | Arm support assembly and fire engine |
| CN112660406A (en) * | 2020-12-30 | 2021-04-16 | 三一汽车制造有限公司 | Unmanned aerial vehicle recovery device and control method |
| CN112827285A (en) * | 2020-12-24 | 2021-05-25 | 福建龙马环卫装备股份有限公司 | High-altitude spraying arm support system of dust suppression equipment and lifting control method thereof |
| CN114558264A (en) * | 2022-02-22 | 2022-05-31 | 应急管理部四川消防研究所 | Fire extinguishing device with multi-folding telescopic boom structure |
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| CN114558264A (en) * | 2022-02-22 | 2022-05-31 | 应急管理部四川消防研究所 | Fire extinguishing device with multi-folding telescopic boom structure |
| CN114558264B (en) * | 2022-02-22 | 2023-09-29 | 应急管理部四川消防研究所 | Fire extinguishing device with multi-folding telescopic arm structure |
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