CN2111882U

CN2111882U - Extendable special vehicle

Info

Publication number: CN2111882U
Application number: CN 91229808
Authority: CN
Inventors: 董化黎; 范业伟
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-12-07
Filing date: 1991-12-07
Publication date: 1992-08-05

Abstract

The utility model discloses an extendable special vehicle. An extendable part is arranged at each of the both sides of the center part of a carriage; the fixed part of the vehicle body has movable connections with an upper and a lower sliding arms and an upper and a lower sliding slopes in the extendable part; two operating tables are arranged in the carriage; when the vehicle is used, the vehicle width can be expanded to the maximum width to ensure the operating areas and space of the simultaneous operations on the two operating tables; when the vehicle runs, the vehicle width automatically retracts to the width of a conventional passenger vehicle to satisfy the standard requirements of a vehicle width.

Description

Extendable special vehicle

The utility model relates to a kind of patent car, and for example operation car specifically relates to a kind of telescopic type special vehicle.

Up to now, the automobile repacking special vehicle of countries in the world is as operation car.Because the requirement of driving conditions, its overall width all is subjected to certain limitation, generally is no more than 2.5 meters, and China's self-propelled vehicle overall width standard also stipulates to be no more than 2.5 meters.Therefore, because the restriction of overall width will be installed operation table and be guaranteed that operation technique carries out smoothly on the operation car of repacking, an operation table can only be installed then.At present, the operation car of prior art is exactly the single operation table operation car with conventional passenger vehicle width in this field.

In large-scale urgent rescue work, as occasions such as earthquake, traffic accident and wars, single operation table operation car can not meet the demands well because the person of rescuing is few.Just need a kind of later-model operation car that can have a plurality of operation tables of exploitation for this reason.

In recent years, some department of China has made some trials in this respect: as if bookmobile is such, offer bigger door or window on side wall frame, whole gusset all can be opened upward, with the space of increase operation, but owing to complex structural designs is difficult to realize failing.In addition, the test of also useful mechanical drive or pneumatic transmission broadening body width, but also not success.

Therefore, the purpose of this utility model is: under the condition of existing driving width, provide a kind of special vehicle of energy broadening, operation car that for example can broadening, it has two operation tables, and when operation such as undergoing surgery, and what can guarantee that enough spaces are beneficial to perform the operation carries out smoothly.

The utility model is to realize like this, promptly in car body centre portion both sides, descend on the ground Board position to the window top, in the side wall frame upper shed, stretch part with the exhibition of installing therein, exhibition is stretched part and is formed by two parts of and arranged on left and right sides, they utilize upper and lower cursor slide and top slideway and bottom slideway, form movably connection with the vehicle body fixed part, upper and lower cursor slide and exhibition are stretched part and are interfixed, upper and lower slideway is fixed on the vehicle body, and has adopted power hydraulic system to make exhibition stretch part exhibition and stretched and regain.Hydraulic efficiency pressure system utilizes oil cylinder to link to each other with the below that part is stretched in left and right exhibition respectively, and the below that part is stretched in each left and right exhibition is connected with two or more oil cylinders symmetrically, with guarantee exhibition stretch and regains rapidly, safety, steady and reliably.

On the basis of said structure, in this compartment, have to open up on the position of stretching part two operation tables have been installed.In when work, during as operation technique, overall width can automatically be opened up and be reached maximum width like this, and it is 3.48 meters, has guaranteed the working area that operation is carried out simultaneously on two operation tables; When driving, overall width is automatically withdrawn into 2.48 meters again, the overall width standard-required when having reached the self-propelled vehicle driving.

In addition, though this special vehicle is to make used for medical procedures for medical institutions, general total work-hours is greater than running time, be that rest time is greater than run duration, therefore the requirement of strength of body framwork does not have wagon-type bus strict like that, but still adopts reinforcement body bottom section and ceiling intensity to improve the reliability of car load.

The advantage of telescopic type special vehicle of the present utility model is: its break traditions restriction of overall width, two operation tables successfully have been installed on a chassis, and can be that two wounded perform a surgical operation simultaneously, for large-scale urgent the rescue provides favourable technical equipment.Compare with single operation table operation car economically simultaneously, can save a large amount of equipment investments, be particularly suitable for the needs of developing country.In addition, this special vehicle also can satisfy other special needs that need the broadening car body.

Below with reference to accompanying drawing a preferred embodiment of the present utility model is described in detail, its accompanying drawing is:

Fig. 1: the body construction according to a telescopic type special vehicle of the present utility model is always schemed;

Fig. 2: the transmission sketch of part is stretched in exhibition in the foregoing description;

Fig. 3: the schematic diagram of hydraulic efficiency pressure system in the foregoing description.

Fig. 1 is for always to scheme according to the body construction of a telescopic type special vehicle preferred embodiment of the present utility model.Wherein Fig. 1 (a) is the lateral plan of this car, in Fig. 1 (a) as seen: in the both sides of the centre portion of vehicle body 1, descend on the ground Board position to the window top, on side wall frame, be provided with opening, part 2 is stretched in the exhibition of having assembled in two openings of these both sides, exhibition is stretched part 2 and is formed by left and right two two parts, and as shown in Fig. 1 (b), Fig. 1 (b) is the section-drawing of this car body centre portion.They utilize upper and lower cursor slide 7 and top slideway 4 and bottom slideway 5, movably be connected with 1 formation of vehicle body fixed part, 7 exhibitions of upper and lower cursor slide are stretched part 2 and are fixed, and upper and lower slideway 4,5 is fixed on the vehicle body, and the exhibition that part is stretched in exhibition is stretched or regained and stretches oil cylinder 3 by exhibition and finish.For guarantee exhibition stretch part normally reposefully exhibition stretch or regain, except that the upper and lower position and front and back position of part stretched in the exhibition of controlling with top slideway 4 and bottom slideway 5, above glide path 5, be provided with simultaneously slide 6 ' and ram 6, ram 6 exhibition of being fixed on is stretched on the part 2, and slide 6 ' be fixed on the vehicle body frames 1, exhibition stretch or when regaining ram 6 slide 6 ' on slip.

In order to reduce thrust and the pulling force that exhibition is stretched or regained, the friction between upper and lower slideway 4,5 and the cursor slide 7 is designed to friction of rolling.Fig. 1 (C) is the section-drawing of cursor slide 7 and glide path 5 parts, and wherein cursor slide 7 is fixed roller 8 on it with bearing pin 9 in its end, and roller can freely rotate around bearing pin, and cursor slide 7 rolls in last or glide path 4 or 5 by roller 8, achieves friction of rolling.

After guaranteeing that exhibition is stretched the back or regained, the sealing of operating room is stretched part 2 contact positions in vehicle body 1 both sides and exhibition the two way seal adhesive tape is installed.For guaranteeing to regain the back traffic safety, be provided with lockable mechanism on exhibition receiving portions top.Exhibition stretch part 2 exhibition stretch put in place after, the moving floor 10 that exhibition is stretched on the part 2 puts down, and is concordant with the floor of vehicle body fixed part 1, to form closed broadening space.

The exhibition exhibition partly of stretching is stretched and is regained by HYDRAULIC CONTROL SYSTEM, and the structure of its running part and the principle of hydraulic efficiency pressure system are seen Fig. 2 and shown in Figure 3 respectively:

The fuel tank 17 of hydraulic efficiency pressure system is installed under the floor of special vehicle, right side at car, power is passed to power takeoff 14 by the output shaft of gear-box of special vehicle, by power takeoff 14 outputting power driving gear pump 15, produce high pressure oil, the operation pressure of high pressure oil is by by pass valve 18 controls, its pressure is by compression indicator 13 indications, when gauge hand is stabilized in the work setting pressure, the handle of change-over valve 12 is stretched the position by the midway location exhibition of moving to, high pressure oil enters a place oil inlet of oil cylinder 3 through change-over valve 12 and oil pipe 11, promoting piston rod outwards moves, original low pressure oil are through the outflow of the b place of oil cylinder 3 in this moment oil cylinder 3, through oil pipe 11 ', change-over valve 12 flows back to fuel tank 17.Piston rod is stretched part 2 bottoms with exhibition and is connected with bearing pin, so piston rod is outwards mobile, and the exhibition that promptly promotes is stretched part 2 and outwards moved, when exhibition reaches the need of work position, move the handle of change-over valve 12 to midway location, again the power takeoff joystick is put into disengaged position, kill engine.The staff puts down moving floor 10, can prepare the work of undergoing surgery.

After operation is finished, when needing driving, the staff turns up moving floor 10 earlier, the chaufeur fire an engine, move the joystick of power takeoff 14 to control position, oil pump 15 work, produce high pressure oil, when pressure is stabilized in operation pressure by compression indicator 13 indication, move the handle of change-over valve 12 to retrieving position by midway location, then high pressure oil is through change-over valve 12 and oil pipe 11 ' the enter b place oil inlet of oil cylinder 3, the piston rod that promotes oil cylinder 3 moves inwards, low pressure oil in the oil cylinder 3 flows out through a place at this moment, and through oil pipe 11, change-over valve 12 flows back to fuel tank 17.Piston rod moves, the exhibition of drive is stretched part 2 and is regained, when being recovered to the road location, move the handle of change-over valve 12 to midway location, the joystick of power takeoff 14 is put into disengaged position, for guaranteeing traffic safety, part 2 usefulness lockable mechanisms are stretched in left and right two exhibitions locked, this special vehicle is equally travelled as passenger vehicle.

Exhibition time of doing of knocking off is very short, and the once exhibition of can finishing within a minute is stretched and withdrawal work, and work very steadily, accurately, reliable.

More than be a preferred embodiment of the present utility model, obviously on the basis of above-mentioned structure, can also make various remodeling, as now being used for the telescopic type washing and disinfection car, telescopic type preparation car, and the power that drives oil pump also can change the electrical motor direct drive into by power takeoff.Obvious telescopic type special vehicle of the present utility model can also be made other purposes, as engineering reserved vehicle, engineering repair truck, Physical examination car, books car or the like.

Claims

1, a kind of telescopic type special vehicle, as operation car, it can be converted by day bus, in the compartment, be provided with operation table, it is characterized in that: in above-mentioned passenger car body (1) centre portion both sides, descend on the ground Board position to the window top, in the side wall frame upper shed, stretch part (2) with the exhibition of installing therein, it is by a left side that part (2) is stretched in exhibition, right two two parts form, on they utilize, following cursor slide (7) and top slideway (4) and bottom slideway (5), movably be connected with vehicle body fixed part (1) formation, on, following cursor slide (7) is stretched part (2) with exhibition and is fixed, on, bottom slideway (4,5) be fixed on the vehicle body (1), and adopted power hydraulic system to make exhibition partly (2) exhibition of stretching stretch and regain, hydraulic efficiency pressure system utilize oil cylinder (3) respectively with a left side, the bottom that part (2) is stretched in right exhibition links to each other, and each left side, the below that part (2) is stretched in right exhibition is connected with two or more oil cylinders (3) symmetrically, in this compartment, have to open up on the position of stretching part (2) two operation tables have been installed, when work, as undergo surgery when operating, overall width can automatically be opened up and be reached maximum width, with the requirement of the usable floor area that guarantees the work that can undergo surgery simultaneously on two operation tables; When driving, overall width can automatically be recovered to the width of conventional passenger vehicle again, the overall width standard when driving a vehicle to meet self-propelled vehicle.

2, according to the telescopic type special vehicle of claim 1, it is characterized by: except that the exhibition of controlling with top slideway (4) and bottom slideway (5) is stretched the upper and lower position and forward and backward position of part (2), be provided with slide (6 ') and ram (6) simultaneously on the top of glide path (5), ram (6) exhibition of being fixed on is stretched on the part (2), and slide (6 ') is fixed on the vehicle body fixed part (1), exhibition stretch or when regaining ram (6) go up slip at slide (6 ').

3, according to the telescopic type special vehicle of claim 1 or 2, it is characterized in that: wherein cursor slide (7) installs and fixes roller (8) with bearing pin (9) on its end, and cursor slide (7) rolls in upper and lower slideway (4), (5) by roller (8).

4, according to the telescopic type special vehicle of claim 3, it is characterized in that: exhibition stretch the part (2) exhibition stretch put in place after, with exhibition stretch the moving floor (10) of part on (2) put down concordant with the floor of vehicle body fixed part (1), to form closed broadening space.

5, according to the telescopic type special vehicle of claim 4, it is characterized in that: the exhibition of exhibition receiving portions (2) is stretched and is regained by HYDRAULIC CONTROL SYSTEM, this hydraulic efficiency pressure system is by fuel tank (17), power takeoff (14), gear type pump (15), by pass valve (18), change-over valve (12), oil pipe (11), (11 '), oil cylinder compositions such as (3).Power is passed to power takeoff (14) by the operation car output shaft of gear-box, by power takeoff (14) outputting power driving gear pump (15), produce high pressure oil, the pressure of high pressure oil is controlled by by pass valve (18), when pressure stability, position or retrieving position are stretched in the exhibition of moving to of the handle of change-over valve (12), then high pressure oil enters the respective inlets (a) of oil cylinder (3) or (b) through change-over valve (12) and oil pipe (11) or (11 '), outwards or inwards move to promote piston rod, piston rod is stretched part with exhibition and is connected with bearing pin, outwards or inwards moves so that part (2) is stretched in exhibition.

6, according to the telescopic type special vehicle of claim 5, it is characterized in that: the top of stretching part (2) in exhibition is provided with the pin locking mechanism, is used to guarantee the safety of its withdrawal back driving; And stretch part (2) contact position at two of vehicle body (1) with exhibition the two way seal adhesive tape is housed, to guarantee the sealing of operating room.

7, according to the telescopic type special vehicle of claim 6, it is characterized in that: the power that wherein drives oil pump (15) also can change the electrical motor direct drive into by power takeoff.

8, according to the telescopic type special vehicle of claim 6 or 7, it is characterized in that: this telescopic type special vehicle is except that being used as the telescopic type operation car, needing also to can be used for other special needs of broadening car body, as be used for telescopic type washing and disinfection car, telescopic type preparation car, telescopic type engineering reserved vehicle, the telescopic type engineering repair truck, telescopic type is experienced car, purposes such as telescopic type books car.