CN202952915U

CN202952915U - Double-deck foldable type foot pedal structure for passenger compartment of fire-fighting vehicle

Info

Publication number: CN202952915U
Application number: CN 201220648003
Authority: CN
Inventors: 崔小锋
Original assignee: Suzhou Jieda Fire-Protection Vehicle & Equipment Co Ltd
Current assignee: Suzhou Jieda Fire-Protection Vehicle & Equipment Co Ltd
Priority date: 2012-11-30
Filing date: 2012-11-30
Publication date: 2013-05-29
Anticipated expiration: 2022-11-30

Abstract

The utility model relates to a double-deck foldable type foot pedal structure for a passenger compartment of a fire-fighting vehicle. The fire-fighting vehicle comprises an underframe and a passenger way and a passenger compartment which are fixedly arranged on the underframe. The foldable foot pedal structure comprises first and second foot pedal cantilever supports, an upper foot pedal, a lower foot pedal, a pair of adjusting screws, and a pair of actuating cylinders, wherein first and second upper foot pedal pivoting arms are fixedly arranged at two ends of the upper foot pedal, the first upper foot pedal pivoting arm is connected with the first foot pedal cantilever support, and the second upper foot pedal pivoting arm is connected with the second foot pedal cantilever support; first and second lower foot pedal pivoting arms are fixedly arranged at two ends of the lower foot pedal; the adjusting screws are connected between the first and the second upper foot pedal pivoting arms and the first and second lower foot pedal pivoting arms; and the actuating cylinders are connected at one side of the first and second foot pedal cantilever supports, and first and second limiting blocks are arranged at one sides of the first and the second foot pedal cantilever supports fixedly. The double-deck foldable type foot pedal structure has the advantages that the fire-fighting vehicle can not damage the upper and lower foot pedals in driving process; the operation intensity of fire fighters can be lightened, and the time can be saved; and the double-deck foldable type foot pedal structure achieves the security.

Description

The crew department of fire extinguishing tanker uses double-layer folding formula foot pedal structure

Technical field

The utility model belongs to the fire-fighting vehicle technical field, and the crew department who is specifically related to a kind of fire extinguishing tanker uses double-layer folding formula foot pedal structure.

Background technology

The fire extinguishing tanker crew department is usually located at operator's compartment and, for the envelope that carries fluid reservoir (being perfused with water or fire foam in fluid reservoir) or for placing the disaster relief with between the equipment railway carriage or compartment of equipment, is furnished with crew department's door on the crew department, for the fire fighter, passes in and out.Because the vehicle chassis of fire extinguishing tanker is higher, therefore on the crew department and the door corresponding to crew department's door along below position the tread plate of step shape is installed, the tread plate of so-called step shape refers to the tread plate with or above step.

prior art usually by crew department's tread plate with the welding or by means of fastener, be fixed on vehicle, and the below corresponding to the crew department gangway, although crew department's tread plate of this structure can meet the requirement that the fire fighter gets on or off the bus, but there is following technical matters, one, due to crew department's tread plate once being installed on fire extinguishing tanker, just put on display and extend in the sidepiece of vehicle body in 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 cause unnecessary obstruction, its two, easily damaged, its three, be unfavorable for the clean and tidy of support vehicles and sight effect.

is no lack of the foot pedal structure that is seen in fire extinguishing tanker in published Chinese patent literature, 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, stand in and extract required fire fighting apparatus and materials from De Xiang chamber, equipment railway carriage or compartment on tread plate and arrange in order to be convenient to the fire fighter, and the exhibition of whole tread plate folding can be arrived to the outer bottom corresponding to the equipment railway carriage or compartment of 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, there is the effect of different Qu Tonggong with aforementioned CN200973933Y, it is still 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 the position of crew department's door can be disposed at, thereby aforesaid 3 unfavorable factors can be eliminated equally.

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 to car body by the fire fighter under initiate mode, and under non-working condition, makes it in hidden state.But there is following shortcoming: one, because the tread plate that manually just can complete for twice that need to be artificial by the fire fighter is put on display side portion of vehicle and the process that is hidden in vehicle bottom, therefore at the position of crew department's door, should not configure, because just can't make tread plate be stowed to vehicle bottom after the fire fighter steps on car to enter the crew department, unless complete and be back to destination (business) and just be able to tread plate in hidden state after all fire fighters get off with vehicle 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, the state of putting on display side portion of vehicle and turning back to vehicle bottom due to tread plate completes 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 fire fighter's each second kind and just can get the valuable time and use the disaster mitigation loss; They are three years old, as aforementioned, the distance of leaving terrace due to the chassis of fire extinguishing tanker is larger, be that chassis is higher, therefore if above-mentioned the tread plate with plane formula structure is installed to crew department's position, often more difficult when the fire fighter passes in and out the crew department so, so-called plane formula structure refers to the do not have step structure of (be commonly called as and mark time).

In view of above-mentioned prior art, the applicant has done lasting and useful design, finally formed technical scheme described below, and taked to have carried out analogue test repeatedly in the applicant plant area under strict secrecy provision, it is practicable that result proves.

Summary of the invention

Task of the present utility model be to provide a kind of can ensure tread plate only after Parking the fire fighter come in and go out in period of crew department put on display all be folding within all the other periods in side portion of vehicle and in vehicle bottom, use avoid because of the Vehicle Driving Cycle process in sustain damage, without by the fire fighter directly with hand to tread plate manual operation use the disaster relief time of the preciousness of saving the fire fighter and conveniently trampling while contributing to ensure that the fire fighter comes in and goes out the crew department used the crew department that embodies safe fire extinguishing tanker with double-layer folding formula foot pedal structure.

task of the present utility model completes like this, a kind of crew department of fire extinguishing tanker uses double-layer folding formula foot pedal structure, described fire extinguishing tanker comprises underframe and is fixed on gangway and the crew department who comes in and goes out for the fire fighter that have on underframe, described crew department comprises one first tread plate cant cantilever and the one second tread plate cant cantilever that faces each other and arrange and fix towards a side of terrace with described underframe at the position corresponding to described gangway with plumbness with double-layer folding formula foot pedal structure, first, be fixedly connected with compound plate between the second tread plate cant cantilever, tread plate on one, on this, tread plate is fixed with tread plate pivotal arm on one first on an end end face of described the first tread plate cant cantilever, this is tread plate pivotal arm and the first tread plate cant cantilever pivotal joint on first, be fixed with tread plate pivotal arm on one second at upper tread plate on an end end face of described the second tread plate cant cantilever, this is tread plate pivotal arm and the second tread plate cant cantilever pivotal joint on second, and on first, second, tread plate pivotal arm corresponds to each other, tread plate once, this time tread plate is corresponding to the below of described upper tread plate, be fixed with one first time the tread plate pivotal arm at this time tread plate on an end end face of the first tread plate cant cantilever, this first time tread plate pivotal arm and the first tread plate cant cantilever pivotal joint, be fixed with one second time the tread plate pivotal arm at lower tread plate, this second time tread plate pivotal arm and the second tread plate cant cantilever pivotal joint on an end end face of the second tread plate cant cantilever and in the position corresponding to first time tread plate pivotal arm, the adjustment screw rod that a pair of position corresponds to each other, in this pair of adjustment screw rod wherein one piece adjust screw rod and be connected on described first between tread plate pivotal arm and first time tread plate pivotal arm, and another piece of adjustment screw rod in this pair of adjustment screw rod is connected on described second between tread plate pivotal arm and second time tread plate pivotal arm, the a pair of acting cylinder that corresponds to each other and arrange, one of them acting cylinder in this pair of acting cylinder is connected to the side of described the first tread plate cant cantilever towards described the second tread plate cant cantilever, and the acting cylinder post of this one of them acting cylinder is connected towards a side of second time tread plate pivotal arm with described first time tread plate pivotal arm, another acting cylinder in a pair of acting cylinder is connected to the side of described the second tread plate cant cantilever towards the first tread plate cant cantilever, and the acting cylinder post of this another acting cylinder is connected towards a side of first time tread plate pivotal arm with second time tread plate pivotal arm, wherein, described the first tread plate cant cantilever towards a side of the second tread plate cant cantilever and on corresponding to described first the position of tread plate pivotal arm be installed with one first limiting stopper, and described the second tread plate cant cantilever towards a side of the first tread plate cant cantilever and on corresponding to described second the position of tread plate pivotal arm be installed with one second limiting stopper.

In a specific embodiment of the present utility model, form at the top of described the first tread plate cant cantilever one first fixing flanging is arranged, fixedly on flanging, with the interval state, offer one group of first fixing screw hole first; Form at the top of described the second tread plate cant cantilever one second fixing flanging is arranged, second, fixedly on flanging, with the interval state, offer one group of second fixing screw hole, first, second fixing screw hole is all fixed towards a side of terrace with described underframe.

In another specific embodiment of the present utility model, described acting cylinder is cylinder.

The technical scheme that the utility model provides is made upper and lower tread plate turn into horizontality under fire extinguishing tanker Parking state and in the fire fighter comes in and goes out period of crew department by the work of a pair of acting cylinder, and after the fire fighter enters the crew department, reverse operation by acting cylinder makes upper and lower tread plate in the double-layer folding state, therefore in the fire extinguishing tanker driving process, can not undermine upper and lower tread plate; Because the action of upper and lower tread plate is taken on by acting cylinder, therefore without by fire fighter's M/C, can alleviate fire fighter's operation intensity and save the valuable time; Form each other the step relation due to upper and lower tread plate under deployed condition, therefore facilitate the fire fighter to pass in and out the crew department and embody safety.

The accompanying drawing explanation

Fig. 1 is example structure figure of the present utility model.

Fig. 2 is the schematic diagram of upper and lower tread plate in the double-layer folding state shown in Fig. 1.

The specific embodiment

For the inspector that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but the description to embodiment is not all the restriction to the utility model scheme, any according to the utility model design, done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

Refer to Fig. 1, provided the underframe 1 and take and the crew department 2 that there is gangway 21 for the confession fire fighter who is fixed on underframe 1 of the structural system of fire extinguishing tanker.The crew department of the present utility model who provides fixes towards a side of terrace with double-layer folding formula pedal structure and underframe 1, and corresponding to the lower position of gangway 21.

Aforesaid crew department comprises first, second tread plate cant cantilever 3,4, compound plate 5, upper and lower tread plate 6,7, a pair of adjustment screw rod 8 and a pair of acting cylinder 9 with double-layer folding formula foot pedal structure, first, second tread plate cant cantilever 3,4 face each other arrange and with plumbness the position below the gangway 21 corresponding to aforementioned crew department 2 and underframe 1 towards a side of terrace, fix.Form one first fixing flanging 32 is arranged by the top of the figure first tread plate cant cantilever 3 that is shown in, this first fixedly the folding exhibition direction of flanging 32 back to a side of the second tread plate cant cantilever 4, at this, first fixedly on flanging 32, with the interval state, offer one group of first fixing screw hole 321.Form at the top of the second tread plate cant cantilever 4 one second fixing flanging is arranged, this second fixedly the folding exhibition direction of flanging 42 back to a side of the first tread plate cant cantilever 3, fixedly the direction of flanging 32,42 is opposite each other to that is to say first, second, fixedly on flanging 42, with the interval state, offer one group of second fixing screw hole 421 second, at each second fixing screw hole 421, be equipped with screw 4211.By screw 4211 in the position corresponding to the second fixing screw hole 421 by second fixedly flanging 42 with aforementioned underframe 1, towards a side of terrace, fix.Equally, aforesaid first fixedly flanging 32 is also fixing by corresponding screw and underframe 1.Again, be fixed with one first limiting stopper 31 at the first tread plate cant cantilever 3 towards a side of the second tread plate cant cantilever 4, and being fixed with one second limiting stopper 41 at the second tread plate cant cantilever 4 towards a side of the first tread plate cant cantilever 3, first, second limiting stopper 31,41 corresponds to each other.

One end of aforementioned compound plate 5 and the first tread plate cant cantilever 3 are fixing, and the other end and the second tread plate cant cantilever 4 are fixing, by this compound plate 5, make first, second tread plate cant cantilever 3,4 connect as a whole.

Aforesaid upper tread plate 6 is between first, second tread plate cant cantilever 3,4, be fixed with the lower end of tread plate pivotal arm 61 on one first on an end end face of aforementioned the first tread plate cant cantilever 3 at upper tread plate 6, and on first, the middle part of tread plate pivotal arm 61 is by the first revolution bearing pin 611 and the first tread plate cant cantilever 3 hinged (being pivotal joint), the upper end of tread plate pivotal arm 61 forms on first one first screw rod connection bearing pin 612; Be fixed with the lower end of tread plate pivotal arm 62 on one second on an end end face of aforementioned the second tread plate cant cantilever 4 at upper tread plate 6, on second, the middle part of tread plate pivotal arm 62 is by the second revolution bearing pin 621 and the second tread plate cant cantilever 4 hinged (being pivotal joint), and the upper end of tread plate pivotal arm 62 forms on second one second screw rod connection bearing pin 622.Shown in figure, the first screw rod connects a side of bearing pin 612 tread plate pivotal arm 62 on second of the position on tread plate pivotal arm 61 on first, and the second screw rod connects a side of bearing pin 622 tread plate pivotal arm 61 on first of the position on tread plate pivotal arm 62 on second, that is, first, second screw rod connection bearing pin 612,622 corresponds to each other.Aforesaid the first limiting stopper 31 is for spacing to the first tread plate pivotal arm 61, and aforesaid the second limiting stopper 41 is for spacing to tread plate pivotal arm 62 on second.

Aforesaid lower tread plate 7, between first, second tread plate cant cantilever 3,4, and corresponding to the below of upper tread plate 6, forms the step relation with upper tread plate 6 is common.Be fixed with the lower end of one first time tread plate pivotal arm 71 at lower tread plate 7, and the middle part of first time tread plate pivotal arm 71 is by the 3rd revolution bearing pin 711 and the first tread plate cant cantilever 3 hinged (being pivotal joint) on an end end face of the first tread plate cant cantilever 3.Be fixed with the lower end of one second time tread plate pivotal arm 72 on an end end face of the second tread plate cant cantilever 4 at lower tread plate 7, and the middle part of second time tread plate pivotal arm 72 is by the 4th revolution bearing pin 721 and the second tread plate cant cantilever 4 hinged (being pivotal joint), in the upper end of second time tread plate pivotal arm 72 and towards a side of first time tread plate pivotal arm 71, be fixed with an acting cylinder post connecting pin 722 and an adjustment screw rod is connected bearing pin 723.Be fixed with equally not shown but be equivalent to the bearing pin of acting cylinder post connecting pin 722 and be equivalent to and adjust the axle that screw rod connects bearing pin 723 in the upper end of aforesaid first time tread plate pivotal arm 71 and in the side towards second time tread plate pivotal arm 72.

Wherein one piece of end of adjusting screw rod 8 in aforesaid a pair of adjustment screw rod 8 at present as shown in Figure 1 the upper end of location status is connected bearing pin 612 with aforementioned the first screw rod and connects, and this wherein one piece of other end of adjusting screw rod 8 to be lower end be equivalent to aforesaid the axle connection that the adjustment screw rod is connected bearing pin 723; The end that another in a pair of adjustment screw rod 8 piece adjusted screw rod 8 is that upper end is connected bearing pin 622 connections with aforesaid the second screw rod, and lower end is connected bearing pin 723 connections with the adjustment screw rod.

Because the connection mode of aforesaid a pair of acting cylinder 9 is identical, therefore applicant's selection describes corresponding to an acting cylinder 9 of a side of the second tread plate cant cantilever 4, the cylinder body afterbody of this acting cylinder 9 is connected to and defaults in the second tread plate cant cantilever 4 on the acting cylinder adapter shaft 43 of a side of the first tread plate cant cantilever 3, and the acting cylinder post 91 of acting cylinder 9 is connected with aforesaid acting cylinder post connecting pin 722.In the present embodiment, a pair of acting cylinder 9 is all selected and is used cylinder, yet, if use oil cylinder instead, should be considered as equivalence and substitute and still belong to the utility model scheme scope.

refer to Fig. 2, when will be by upper, lower tread plate 6, during 7 state in double-layer folding formula as shown in Figure 2, a pair of acting cylinder 9 work, acting cylinder post 91 stretches outside cylinder body, due to the acting cylinder post 91 of a pair of acting cylinder 9 respectively with aforesaid first, second time tread plate pivotal arm 71, 72 connect, again due to first, second time tread plate pivotal arm 71, 72 respectively by the 3rd, the 4th revoliving arm bearing pin 711, 721 and first, the second tread plate cant cantilever 3, 4 is hinged, therefore make first by a pair of acting cylinder post 91, second time tread plate pivotal arm 71, 72 respectively around the 3rd, the 4th revolution bearing pin 711, 721 revolutions, , make lower tread plate 7 horizontality as shown in Figure 1 change the plumbness shown in Fig. 2 into.In this process, due to tread plate pivotal arm on first 61 by adjusting one of them of screw rod 8(mono-centering) with first time tread plate revoliving arm 71, be connected, again due to tread plate pivotal arm on second 62 by adjusting another root of screw rod 8(mono-centering) with second time tread plate pivotal arm 72, be connected, therefore first, second time tread plate pivotal arm 71, 72 respectively around the 3rd, the 4th revolution bearing pin 711, 721 rotating whiles, first, tread plate pivotal arm 61 on second, 62 respectively around first, the second revolution bearing pin 611, 621 revolutions, make tread plate 6 follow 7 revolutions of lower tread plate and in plumbness, thereby the form of the double-layer folding formula shown in embodiment Fig. 2.During upper and lower tread plate 6,7 unfolds into shown in Fig. 1 if make horizontality, so aforesaid a pair of acting cylinder 9 reverse operations.

Claims

1. a kind of crew department of fire extinguishing tanker uses double-layer folding formula foot pedal structure, belong to the fire-fighting vehicle technical field, described fire extinguishing tanker comprises underframe (1) and is fixed on gangway (21) and the crew department (2) who comes in and goes out for the fire fighter that have on underframe (1), it is characterized in that described crew department comprises one first tread plate cant cantilever (3) and the one second tread plate cant cantilever (4) that faces each other and arrange and fix towards a side of terrace with described underframe (1) at the position corresponding to described gangway (21) with plumbness with double-layer folding formula foot pedal structure, first, the second tread plate cant cantilever (3, 4) be fixedly connected with compound plate (5) between, tread plate on one (6), tread plate on this (6) is fixed with tread plate pivotal arm (61) on one first on an end end face of described the first tread plate cant cantilever (3), this is tread plate pivotal arm (61) and the first tread plate cant cantilever (3) pivotal joint on first, be fixed with tread plate pivotal arm (62) on one second on an end end face of described the second tread plate cant cantilever (4) at upper tread plate (6), this is tread plate pivotal arm (62) and the second tread plate cant cantilever (4) pivotal joint on second, and first, tread plate pivotal arm (61 on second, 62) correspond to each other, tread plate (7) once, this time tread plate (7) is corresponding to the below of described upper tread plate (6), be fixed with one first time tread plate pivotal arm (71) at this time tread plate (7) on an end end face of the first tread plate cant cantilever (3), this first time tread plate pivotal arm (71) and the first tread plate cant cantilever (3) pivotal joint, be fixed with one second time tread plate pivotal arm (72) at lower tread plate (7) on an end end face of the second tread plate cant cantilever (4) and in the position corresponding to first time tread plate pivotal arm (71), this second time tread plate pivotal arm (72) and the second tread plate cant cantilever (4) pivotal joint, the adjustment screw rod (8) that a pair of position corresponds to each other, in this pair of adjustment screw rod (8) wherein one piece adjust screw rod (8) and be connected on described first between tread plate pivotal arm (61) and first time tread plate pivotal arm (71), and another piece of adjustment screw rod (8) in this pair of adjustment screw rod (8) is connected on described second between tread plate pivotal arm (62) and second time tread plate pivotal arm (72), the a pair of acting cylinder (9) that corresponds to each other and arrange, one of them acting cylinder (9) in this pair of acting cylinder (9) is connected to the side of described the first tread plate cant cantilever (3) towards described the second tread plate cant cantilever (4), and the acting cylinder post (91) of this one of them acting cylinder (9) is connected with the side of described first time tread plate pivotal arm (71) towards second time tread plate pivotal arm (72), another acting cylinder (9) in a pair of acting cylinder (9) is connected to the side of described the second tread plate cant cantilever (4) towards the first tread plate cant cantilever (3), and the acting cylinder post (91) of this another acting cylinder (9) is connected with the side of second time tread plate pivotal arm (72) towards first time tread plate pivotal arm (71), wherein, described the first tread plate cant cantilever (3) towards a side of the second tread plate cant cantilever (4) and on corresponding to described first the position of tread plate pivotal arm (61) be installed with one first limiting stopper (31), and described the second tread plate cant cantilever (4) towards a side of the first tread plate cant cantilever (3) and on corresponding to described second the position of tread plate pivotal arm (62) be installed with one second limiting stopper (41).

2. The crew department of fire extinguishing tanker according to claim 1 uses double-layer folding formula foot pedal structure, it is characterized in that forming at the top of described the first tread plate cant cantilever (3) one first fixing flanging (32) arranged, first fixedly flanging (32) go up and offer one group of first fixing screw hole (321) with the interval state; Form at the top of described the second tread plate cant cantilever (4) one second fixing flanging (42) is arranged, fixedly on flanging (42), with the interval state, offer one group of second fixing screw hole (421) second, first, second fixing screw hole (321,421) is all fixed towards a side of terrace with described underframe (1).

3. The crew department of fire extinguishing tanker according to claim 1, with double-layer folding formula foot pedal structure, is characterized in that described acting cylinder (9) is cylinder.