CN102963306A - Outward-tilting footboard structure for crew department of fire-fighting vehicle - Google Patents
Outward-tilting footboard structure for crew department of fire-fighting vehicle Download PDFInfo
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- CN102963306A CN102963306A CN2012105026155A CN201210502615A CN102963306A CN 102963306 A CN102963306 A CN 102963306A CN 2012105026155 A CN2012105026155 A CN 2012105026155A CN 201210502615 A CN201210502615 A CN 201210502615A CN 102963306 A CN102963306 A CN 102963306A
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- crew department
- ladder bucket
- fire extinguishing
- ladder
- cylinder
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Abstract
The invention discloses an outward-tilting footboard structure for a crew department of a fire-fighting vehicle, and belongs to the technical field of fire-fighting vehicles. The fire-fighting vehicle comprises a chassis and the crew department arranged on the chassis, wherein the crew department is provided with a crew department door; the tilting footboard structure comprises a ladder bucket, a ladder bucket actuation cylinder which is used for driving the ladder bucket to extend or return to the bottom of the crew department and keeping the ladder bucket in an outward-tilting state when the ladder bucket extends, a control switch and a switch contact; the ladder bucket is pivoted with a bottom wall on one side of the crew department facing towards the terrace; the ladder bucket actuation cylinder is fixed on the chassis and connected with a control device of the fire-fighting vehicle; an action cylinder post of the ladder bucket actuation cylinder is connected with the ladder bucket; the control switch is arranged on the crew department and connected with the control device of the fire-fighting vehicle; and the switch contact is arranged on the crew department door and corresponding to the control switch. The outward-tilting footboard structure has the advantages that the safety of fire fighters when the fire fighters access the crew department is guaranteed, the ladder bucket is positioned in a hidden state and free from damage in the travelling process of the vehicle, and the valuable disaster relief time of the fire fighters is saved.
Description
Technical field
The invention belongs to the fire-fighting vehicle technical field, be specifically related to a kind of crew department's external inclined type foot pedal structure of fire extinguishing tanker
Background technology
The fire extinguishing tanker crew department is usually located at operator's compartment and is used for being furnished with crew department's door the crew department between the envelope of carrying fluid reservoir (being perfused with water or fire foam in the fluid reservoir), passes in and out for the fire fighter.Because the vehicle chassis of fire extinguishing tanker is higher, therefore on the crew department and corresponding to the door of crew department's door along below the position tread plate of step shape is installed, the tread plate of so-called step shape refers to have the tread plate of or above step.
Prior art is fixed on crew department's tread plate on the vehicle with welding or by means of fastener usually, and the below corresponding to crew department's door, although crew department's tread plate of this structure can satisfy the requirement that the fire fighter gets on or off the bus, but there is following technical matters, one, because crew department's tread plate is once being installed on the fire extinguishing tanker, just put on display sidepiece in vehicle body just as one piece of wing consistently, specifically, even under non-initiate mode, crew department's tread plate still is deployed in Vehicular side body with readiness for action, thereby easily causes unnecessary obstruction; Its two, damaged easily; Its three, be unfavorable for the clean and tidy of support vehicles and sight effect.
In published Chinese patent literature, is no lack of the foot pedal structure that is seen in fire extinguishing tanker, utility model patent Granted publication CN200973933Y recommends to have " fire extinguishing tanker foot pedal structure ", although this patent is to arrange for the equipment railway carriage or compartment of fire extinguishing tanker, namely stand on the tread plate and to extract required fire fighting apparatus and materials from the chamber, railway carriage or compartment in equipment railway carriage or compartment and arrange in order to be convenient to the fire fighter, and can be with the outer bottom corresponding to equipment railway carriage or compartment of whole tread plate folding exhibition to fire extinguishing tanker under non-initiate mode, thereby can eliminate aforesaid 3 technical matterss: the patent of invention publication number CN101214801A provide " linkage wood clapper structure ", this patent also is aimed at the design of equipment railway carriage or compartment, has the effect of different Qu Tonggong with aforementioned CN200973933Y; It still is and technique effect that equally can embody aforementioned CN200973933Y design for the equipment railway carriage or compartment that invention patent mandate notification number CN101480936B announcement has " movable foot pedal device of fire extinguishing tanker ", this patent scheme; Invention patent mandate notification number CN101480935B introduces has " the movable foot pedal structure of fire extinguishing tanker " and CN101973233B disclosure that " linkage type foot pedal structure of used in fire-fighting " arranged, because these two patent schemes both can be applied to the equipment railway carriage or compartment, also can be disposed at the position of crew department's door, thereby can eliminate equally aforesaid 3 unfavorable factors.
The common feature that is not limited to the foot pedal structure of the disclosed fire extinguishing tanker of above-mentioned document is with manual mode tread plate to be put on display car body by the fire fighter under initiate mode, and makes it be in hidden state under non-working condition.But there is following shortcoming: one, owing to need to put on display side portion of vehicle and the process that is hidden in vehicle bottom by twice artificial manual tread plate of just finishing of fire fighter, therefore should not dispose at the position of crew department's door, because after the fire fighter steps on car to enter the crew department, just can't make tread plate be stowed to vehicle bottom, unless complete and be back to the destination and after all fire fighters get off, just be able to vehicle tread plate is in hidden state in the disaster relief, and in the way of travelling of fire extinguishing tanker, tread plate still represents in side portion of vehicle; They are two years old, because the state that tread plate is put on display side portion of vehicle and turned back to vehicle bottom is finished by manual operations, therefore use inconvenience and be unfavorable for saving to greatest extent each minute of fire fighter even the time of each second, because for rescue and relief work, save each second kind of fire fighter and just can get the valuable time and use the disaster mitigation loss.Its three because tread plate does not have reasonably outward-dipping degree of dip, so step is comparatively precipitous, thereby is unfavorable for that the fire fighter tramples safely.
In view of above-mentioned prior art, the applicant has done positive and useful design, finally formed technical scheme described below, and in the analogue test of having taked to have carried out in the applicant plant area under the strict secrecy provision non-limited number of times, it is practicable that the result proves
Summary of the invention
Task of the present invention be to provide a kind of only under the Parking state and opening fire fighter under the state of crew department's door come in and go out in period of crew department put on display side portion of vehicle and closing under the state of crew department's door automatically open up vehicle bottom and use avoid the Vehicle Driving Cycle process in foot pedal damaged, without by the fire fighter, directly with foot pedal, contact, made foot pedal open up into or the exhibition vehicle and use the saving fire fighter preciousness the disaster relief time and help to embody rational outward-dipping degree and use come in and go out crew department's external inclined type foot pedal structure of fire fighting truck of crew department's safety of guarantee fire fighter.
Task of the present invention is finished like this, a kind of crew department's external inclined type foot pedal structure of fire extinguishing tanker, described fire extinguishing tanker comprises the chassis and is arranged on the chassis and the crew department, this crew department has the crew department's door for the crew department that comes in and goes out for the fire fighter, described external inclined type foot pedal structure comprises the ladder bucket, being used for ordering about the ladder bucket puts on display or is returned to described crew department's bottom and makes the ladder bucket remain in the ladder bucket brake function cylinder of outward-dipping state when the ladder bucket is put on display, master cock and be used for switch contact to the master cock effect, ladder bucket pivotal joint described crew department on the diapire of a side of terrace, ladder bucket brake function cylinder is fixed on the described chassis, control setup control linkage with fire extinguishing tanker, and acting cylinder post that should ladder bucket brake function cylinder is connected with the ladder bucket, master cock is arranged on the described crew department, and be connected with the control setup electrical control of fire extinguishing tanker, switch contact is arranged on described crew department's door, and corresponding with master cock.
In a specific embodiment of the present invention, described ladder bucket comprises first, the second side plate, backboard and a line step, the first side plate is formed in a side of the short transverse of backboard, the second side plate is formed in the opposite side of the short transverse of backboard, and first, the second side plate is parallel, one group of step each interval and with the horizontality setting, one end of each step and the first side plate are fixed towards a side of the second side plate, and the other end and the second side plate are fixed towards a side of the first side plate, and each step is fixed towards a side and the backboard of the length direction of backboard, the upper edge of backboard and the diapire pivotal joint of described crew department towards a side of terrace, the acting cylinder post of described ladder bucket brake function cylinder is connected with backboard.
In another specific embodiment of the present invention, be fixed with a pair of axle bed described crew department towards a side of terrace, be equipped with a bearing pin at each axle bed, be fixed with a pair of axle sleeve on the upper edge of described backboard and in the position corresponding to described a pair of axle bed, axle sleeve matches with axle bed and is connected by described bearing pin pivot.
In another specific embodiment of the present invention, the width of described first, second side plate and step is equal to each other.
In another specific embodiment of the present invention, be installed with cylinder post joint pin at described backboard back to a side of described step and in the position corresponding to the acting cylinder post of described ladder bucket brake function cylinder, the acting cylinder post is connected with cylinder post joint pin.
Also have in the specific embodiment of the present invention, in described cylinder post joint pin formation one axis pin base is arranged, the end of the acting cylinder post of described ladder bucket brake function cylinder consists of a cylinder post connector, and this cylinder post connector is by cylinder post connecting pin and axis pin base pivotal joint.
More of the present invention and in specific embodiment, the end of described ladder bucket brake function cylinder towards described chassis is provided with an acting cylinder seat, this acting cylinder seat and chassis are fixed.
In of the present invention and then specific embodiment, described ladder bucket brake function cylinder is cylinder.
Of the present invention again more and in specific embodiment, be provided with transparent window at described crew department's door.
In again of the present invention and then specific embodiment, described transparent window is transparent implosion guard or transparent organic glass.
Technical scheme provided by the invention is because with ladder bucket and crew department's the bottom side pivotal joint towards terrace, maintenance is outward-dipping when being fixed on that ladder bucket brake function cylinder on the chassis is connected with ladder bucket and making ladder struggle against on show by ladder bucket brake function cylinder, thereby can ensure the safety the when fire fighter comes in and goes out the crew department; Owing to when opening or closing crew department's door, act on master cock by switch contact, and then by master cock with the control setup of signal feedback to fire extinguishing tanker, by control setup control ladder bucket brake function cylinder, make the ladder bucket put on display or reply, thereby ensured keeping strokes between crew department's door and the ladder bucket, guaranteed that in the Vehicle Driving Cycle way ladder bucket is in hidden state and exempts from damage; Because the action that ladder struggles against is controlled by the switch contact that is installed on crew department's door, so the fire fighter need not directly and the ladder bucket contacts and the ladder exhibition of struggling against is entered or put on display vehicle, thereby can save the disaster relief time of fire fighter's preciousness.
Description of drawings
Fig. 1 is the embodiments of the invention constructional drawing.
The specific embodiment
For the inspector that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to the present invention program to the description of embodiment, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
See also Fig. 1, provided chassis 1 and the crew department 2 of fire extinguishing tanker, crew department 2 finds a place on chassis 1, and is namely fixing with chassis 1, is equipped with crew department's door 21 crew department 2, specifically passes through door hinge 212 with crew department's door 21 and crew department's 2 pivotal joints.On crew department's door 21, also be provided with transparent window 211, transparent window 211 preferred transparent implosion guard or the transparent organic glass of using.
Shown in figure, each preferably is fixed with an axle bed 22 in the mode of welding towards the two ends (two ends of Width) of a side surface of terrace in aforesaid crew department's 21 bottom, is equipped with a bearing pin 221 at axle bed 22.
As the external inclined type foot pedal structure of technical essential of the present invention comprise ladder bucket 3, be used for driving ladder bucket 3 put on display or be returned to aforementioned crew department 2 the bottom and make ladder bucket 3 remain in ladder bucket brake function cylinder 4, master cock 5 and the switch contact 6 of outward-dipping state on show the time, ladder bucket 3 pivotal joints are on aforesaid axle bed 22, the end of ladder bucket brake function cylinder 4 towards aforementioned chassis 1 has an acting cylinder seat 42, acting cylinder seat 42 usefulness screws 421 or adopt other equivalent mode and chassis 1 fixing, the acting cylinder post 41 of ladder bucket brake function cylinder 4 and ladder struggle against and 3 are connected.Ladder bucket brake function cylinder 4 is preferably selected and use cylinder, yet if use oil cylinder instead, it is alternative and still belong to technology contents scope disclosed by the invention to be considered as so equivalence.Ladder bucket brake function cylinder 4 is connected with the vehicle-mounted pneumatic shuttle of fire extinguishing tanker by the source of the gas pipeline, and the control setup control linkage of vehicle-mounted pneumatic shuttle and fire extinguishing tanker.Whether that is to say the work of control setup control pneumatic shuttle.Master cock 5 is arranged on aforementioned crew department's 2 bottom towards a side of terrace, master cock 5 also can be described as signal picker, and signal picker is travel switch, micro-switch, position approach switch, dry-reed tube or hall sensing element, present embodiment is selected and is used micro-switch, if but use other parts that are not limited to exemplify previously, then should be considered as equivalence and substitute.Master cock 5 is connected with the control setup electrical control of above mentioned fire extinguishing tanker.Switch contact 6 is fixed on crew department's door 21 towards the bottom of a side of crew department 2, and corresponding with master cock 5.
When the fire fighter closes crew department's door 21 gangway in crew department 2, touch master cock 5 by switch contact 6, by master cock 5 with the control setup (also can claim electric control box) of signal feedback to fire extinguishing tanker, order about pneumatic shuttle (also can claim compressed air source unit) work by control setup, make ladder bucket brake function cylinder 4 work that are connected with the pneumatic shuttle pneumatic circuit, retraction in the cylinder body of acting cylinder post 41, drive ladder bucket 3 towards crew department 2 bottom pivot, slave ladder bucket 3 is hidden in crew department 2 bottom.Vehicle can not undermine ladder bucket 3 because of other thing in the process of moving.Vice versa, but when ladder bucket 3 is put on display crew departments 2 bottom, can make ladder bucket 3 be in outward-dipping state, namely is in by state shown in Figure 1, tramples and play safety effect in order to the fire fighter is comfortable.
Please continue to see Fig. 1, aforesaid ladder struggles against 3 preferably but not the structure that definitely is limited to is as follows: comprise first, the second side plate 31,32, backboard 33 and one group of step 34, the first side plate 31 is formed in a side of the short transverse of backboard 33, the second side plate 32 is formed in the opposite side of the short transverse of backboard 33, and first, the second side plate 31,32 is parallel, the quantity of one group of step 34 is not subject to illustrating the restriction of quantity, and arrange with the interval state each other, one end end face and first side plate 31 of each step 24 are fixed towards a side of the second side plate 32, and other end end face and the second side plate 32 are fixed towards a side of the first side plate 31, and each step 34 is fixing towards a side side and the backboard 33 of the length direction of backboard 33.Fix a pair of axle sleeve 331 on the upper edge of backboard 33 and at the location optimization corresponding to aforementioned axle bed 22 with welding manner, by aforesaid bearing pin 221 axle sleeve 331 being pivoted with axle bed 22 is connected (also can claim hinged).
Aforesaid first, second side plate 31,32 and backboard 33 both can be integrally formed the structure of manufacturing, also can consist of unitized construction, so-called integrally manufactured structure refers to: first, second side plate 31,32 consists of in the bending of the both sides of the short transverse of backboard 33 respectively; So-called unitized construction refers to: the first side plate 31 and the second side plate 32 are integrally formed structure respectively with after backboard 33 welding.Again, shown in figure, preferably, first, second parallel side plate 31,32 width design become to equate with the width of step 34.
Still see also Fig. 1, be fixed with a cylinder post joint pin 332 back to a side of step 34 and in the position corresponding to aforementioned acting cylinder post 41 at aforementioned backboard 33, consisting of at cylinder post joint pin 332 has an axis pin base 3321.And the end of aforementioned acting cylinder post 41 consists of the cylinder post connector 411 that has a geometric configuration to take the shape of the letter U, and this cylinder post connector 411 is by cylinder post connecting pin 4111 and axis pin base 3321 pivotal joints (hinged).
The applicant need to prove: in the present embodiment, although the quantity of ladder bucket brake function cylinder 4 is one, yet if adopt a pair ofly, so undoubtedly belongs to pro forma equivalence and change and should be considered as the present invention program's category.When the quantity of ladder bucket brake function cylinder 4 was one, the position of aforesaid cylinder post joint pin 332 on backboard 33 occupy the middle part of the length direction of backboard 33; And when the quantity of ladder bucket brake function cylinder 4 be two when being a pair of, the quantity of cylinder post joint pin 332 is a pair of, and lay respectively at the both sides of the length direction of backboard 33, the relation that the position of ladder bucket brake function cylinder 4 and 332 maintenances of cylinder post joint pin are followed in sb's footsteps is to guarantee acting cylinder post 41 and the 332 corresponding and connections of cylinder post joint pin
Claims (10)
1.
A kind of crew department's external inclined type foot pedal structure of fire extinguishing tanker, described fire extinguishing tanker comprises chassis (1) and is arranged on the upper and crew department (2) in chassis (1), this crew department (2) has the crew department's door (21) for the crew department (2) that comes in and goes out for the fire fighter, it is characterized in that described external inclined type foot pedal structure comprises ladder bucket (3), being used for ordering about ladder bucket (3) puts on display or is returned to described crew department's (2) bottom and make ladder bucket (3) remain in the ladder bucket brake function cylinder (4) of outward-dipping state when ladder bucket (3) is put on display, master cock (5) and be used for switch contact (6) to the master cock effect, ladder bucket (3) pivotal joint described crew department (2) on the diapire of a side of terrace, ladder bucket brake function cylinder (4) is fixed on the described chassis (1), control setup control linkage with fire extinguishing tanker, and acting cylinder post (41) that should ladder bucket brake function cylinder (4) is connected with ladder bucket (3), master cock (5) is arranged on the described crew department (2), and be connected with the control setup electrical control of fire extinguishing tanker, switch contact (6) is arranged on described crew department's door (21), and corresponding with master cock.
2.
Crew department's external inclined type foot pedal structure of fire extinguishing tanker according to claim 1, it is characterized in that described ladder bucket (3) comprises first, the second side plate (31,32), backboard (33) and a line step (34), the first side plate (31) is formed in a side of the short transverse of backboard (33), the second side plate (32) is formed in the opposite side of the short transverse of backboard (33), and first, the second side plate (31,32) parallel, one group of step (34) each interval and with the horizontality setting, one end of each step (34) and the first side plate (31) are fixed towards a side of the second side plate (32), and the other end and the second side plate (32) are fixed towards a side of the first side plate (31), and each step (34) is fixing towards a side and the backboard (33) of the length direction of backboard (33), the upper edge of backboard (33) and the diapire pivotal joint of described crew department (2) towards a side of terrace, the acting cylinder post (41) of described ladder bucket brake function cylinder (4) is connected with backboard (33).
3.
Crew department's external inclined type foot pedal structure of fire extinguishing tanker according to claim 2, it is characterized in that being fixed with a pair of axle bed (22) described crew department (2) towards a side of terrace, be equipped with a bearing pin (221) at each axle bed (22), be fixed with a pair of axle sleeve (331) on the upper edge of described backboard (33) and in the position corresponding to described a pair of axle bed (22), axle sleeve (331) matches with axle bed (22) and is connected by described bearing pin (221) pivot.
4.
Crew department's external inclined type foot pedal structure of fire extinguishing tanker according to claim 2 is characterized in that the width of described first, second side plate (31,32) and step (34) is equal to each other.
5.
Crew department's external inclined type foot pedal structure of fire extinguishing tanker according to claim 2, it is characterized in that being installed with cylinder post joint pin (332) at described backboard (33) back to a side of described step (34) and in the position corresponding to the acting cylinder post (41) of described ladder bucket brake function cylinder (4), acting cylinder post (41) is connected with cylinder post joint pin (332).
6.
Crew department's external inclined type foot pedal structure of fire extinguishing tanker according to claim 5, it is characterized in that in described cylinder post joint pin (332) formation one axis pin base (3321) being arranged, the end of the acting cylinder post (41) of described ladder bucket brake function cylinder (4) consists of a cylinder post connector (411), and this cylinder post connector (411) is by cylinder post connecting pin (4111) and axis pin base (3321) pivotal joint.
7.
Crew department's external inclined type foot pedal structure of fire extinguishing tanker according to claim 1, it is characterized in that the end of described ladder bucket brake function cylinder (4) towards described chassis (1) is provided with an acting cylinder seat (42), this acting cylinder seat (42) is fixing with chassis (1).
8.
According to claim 1 and 2 or crew department's external inclined type foot pedal structure of 6 or 7 described fire extinguishing tankers, it is characterized in that described ladder bucket brake function cylinder (4) is cylinder.
9.
Crew department's external inclined type foot pedal structure of fire extinguishing tanker according to claim 1 is characterized in that being provided with transparent window (211) at described crew department's door (21).
10.
Crew department's external inclined type foot pedal structure of fire extinguishing tanker according to claim 9 is characterized in that described transparent window (211) is transparent implosion guard or transparent organic glass
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105026155A CN102963306A (en) | 2012-11-30 | 2012-11-30 | Outward-tilting footboard structure for crew department of fire-fighting vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105026155A CN102963306A (en) | 2012-11-30 | 2012-11-30 | Outward-tilting footboard structure for crew department of fire-fighting vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN102963306A true CN102963306A (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105026155A Pending CN102963306A (en) | 2012-11-30 | 2012-11-30 | Outward-tilting footboard structure for crew department of fire-fighting vehicle |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1198357A (en) * | 1916-01-21 | 1916-09-12 | Hiram D Kirkley | Mechanism for operating an extensible car-step. |
| EP0012336A1 (en) * | 1978-12-07 | 1980-06-25 | M.A.N. MASCHINENFABRIK AUGSBURG-NÜRNBERG Aktiengesellschaft | Public transport vehicle with foldable steps |
| US5584493A (en) * | 1995-02-03 | 1996-12-17 | Pierce Manufacturing Inc. | Folding step system for vehicles |
| JPH0958352A (en) * | 1995-08-21 | 1997-03-04 | Hayashida Seisakusho:Kk | Vehicle for housing pulled-step under rear part floor |
| KR20020040931A (en) * | 2000-11-25 | 2002-05-31 | 이계안 | Extra up and down device of truck |
| CN101372200A (en) * | 2007-08-24 | 2009-02-25 | 福特全球技术公司 | Power door for a passenger vehicle |
| CN202966148U (en) * | 2013-04-16 | 2013-06-05 | 苏州市捷达消防车辆装备有限公司 | Outward-tilting type foot pedal structure of passenger room of firefighting vehicle |
-
2012
- 2012-11-30 CN CN2012105026155A patent/CN102963306A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1198357A (en) * | 1916-01-21 | 1916-09-12 | Hiram D Kirkley | Mechanism for operating an extensible car-step. |
| EP0012336A1 (en) * | 1978-12-07 | 1980-06-25 | M.A.N. MASCHINENFABRIK AUGSBURG-NÜRNBERG Aktiengesellschaft | Public transport vehicle with foldable steps |
| US5584493A (en) * | 1995-02-03 | 1996-12-17 | Pierce Manufacturing Inc. | Folding step system for vehicles |
| JPH0958352A (en) * | 1995-08-21 | 1997-03-04 | Hayashida Seisakusho:Kk | Vehicle for housing pulled-step under rear part floor |
| KR20020040931A (en) * | 2000-11-25 | 2002-05-31 | 이계안 | Extra up and down device of truck |
| CN101372200A (en) * | 2007-08-24 | 2009-02-25 | 福特全球技术公司 | Power door for a passenger vehicle |
| CN202966148U (en) * | 2013-04-16 | 2013-06-05 | 苏州市捷达消防车辆装备有限公司 | Outward-tilting type foot pedal structure of passenger room of firefighting vehicle |
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Application publication date: 20130313 |