CN206841311U - The pull-out type combined with side guard rail of vehicle steps on car platform - Google Patents

Abstract

A kind of pull-out type combined with side guard rail of vehicle steps on car platform, and vehicle includes a pair of chassis ridgepoles, and the pull-out type combined with side guard rail, which steps on car platform, to be included：Car platform left rail is stepped on, left column is arranged at the bottom of its one end；The right guide rail of car platform is stepped on, right column is arranged at the bottom of its one end；Upper guard rail, the top of the one end of its left end with stepping on car platform left rail is fixed, the top of the one end of right-hand member with stepping on the right guide rail of car platform is fixed；Lower guard rail, the left end of its left end and upper guard rail links, the lower end on rear side of left end with left column is hinged, and the lower end of the right-hand member link of right-hand member and upper guard rail, right-hand member rear side and right column is hinged；It is located at each left column locking mechanism of the front and back ends bottom of left frame cross；It is located at each right column locking mechanism of the front and back ends bottom of right frame cross；The left locking mechanism of lower guard rail being located on left column；The right locking mechanism of lower guard rail being located on right column.Ensure security during driving.

Description

The pull-out type combined with side guard rail of vehicle steps on car platform

Technical field

The utility model belongs to technical field of vehicle, and in particular to a kind of pull-out type combined with side guard rail of vehicle is stepped on Car platform.

Background technology

Above mentioned vehicle refers mainly to special vehicle, the special vehicle such as breakdown lorry of People's Armed Police, public security and fire-fighting Fire-fighting vehicle of department, etc..Be commonly equipped with such vehicle the small generator for rescue, air compressor, Lighting installation, engine-driven hydraulic pump, forcible entry equipment（Such as jack, hydraulic shear）, climb equipment, medical first aid equipment, fire-fighting equipment, Food or even personal protection apparatus etc..Because the liftoff level ground in the chassis of this vehicle is larger, one meter or so is generally reached, thus Opening corresponds to the railway carriage or compartment of equipment railway carriage or compartment both sides behind the door, and rescue personnel takes equipment or return equipment in station on ground to equipment railway carriage or compartment is stored in device Material railway carriage or compartment causes high effort for.

Set foot pedal rescue personnel can be facilitated to pick and place equipment to a certain extent on the vehicle of aforementioned type, and close It can be seen in the technical information of foot pedal in disclosed Chinese patent literature, such as CN200973933Y（Fire fighting truck step is hardened Structure）、CN101214801A（Linkage wood clapper structure）、CB101480936B（The movable foot pedal structure of fire fighting truck）、 CN101480935B（The movable foot pedal structure of fire fighting truck）、CN102935827B（The rotary foot pedal of crew department of fire fighting truck Structure）、CN105480155A（With the rotary foot pedal structure of crew department's door linkage of fire fighting truck）、CN101487374B（Folding Stacked access step）And CN203808816U（Telescopic access step）, etc..

One of shortcoming of foot pedal structure disclosed in above-mentioned patent, because it is set for a certain ad-hoc location, because And can not extend to the one or both sides region of the length direction in equipment railway carriage or compartment, larger inconvenient factor be present to taking equipment, Such as when to pick and place corresponding equipment to equipment railway carriage or compartment to the region away from foot pedal, it can not often be ascended a height by means of foot pedal；It Two, due to the relevance being not present between foot pedal and vehicle side rail in structure, and generally in the position for avoiding side rail Foot pedal is installed, thus on the one hand there is fastidious property for the installation site of foot pedal, another aspect function is dull, another further aspect It is unfavorable for economizing on resources.

As is known in the industry, it is contemplated that the safety factor of road conditions particularly pedestrian and vehicle itself, foregoing special purpose vehicle Guard rail length direction bottom relative close from the ground, i.e., it is relatively small with the distance between ground, but protect Column can not be that rescue personnel picks and places equipment to power to equipment railway carriage or compartment, that is, not have the function of being ascended a height for rescue personnel.Therefore, if plus Make side guard rail to protect with rational modification to get both with function of ascending a height, then it is a kind of ultimate attainment selection that can yet be regarded as.

Authorization Notice No. CN201784562U recommends have " the convertible guard rail of special vehicle ", and the patent formula solves The lifting of guardrail is protected in side, can prevent foreign body from entering the bottom of vehicle and guaranteeing safety upon lowering, can expire when raised Foot is to the up-and-down adaptability of road（It for details, reference can be made to the 0006th section and 0012 to 0013 section of the patent specification）.Authorize Notification number CN2017845460U is provided with " slippage type protective guard used for special type vehicles ", and the patent has with foregoing CN201784562U The effect to play the same tune on different musical instruments, for details, reference can be made to the 0006th section and the 0013rd to 0014 section of the patent specification.But this two special Profit does not provide side guard rail and has both foot pedal function and contribute to rescue personnel to ascend a height and the enlightenment of equipment is picked and placeed to equipment railway carriage or compartment, and And the technology contents on foot pedal patent being mentioned above even with applicant also can not comprehension side guard rail of sening as an envoy to it is simultaneous The concrete structure of the function of standby foot pedal.

For above-mentioned prior art, the applicant has made lasting and beneficial design repeatedly, forms and will be detailed below finally The technical scheme of introduction, and simulate deduction experiment through computer in the case where taking secrecy provision and be proved to be practicable.

The content of the invention

Task of the present utility model be to provide one kind help side guard rail expanded into step state in rescue and Use to embody to ascend a height for rescue personnel and the step function of equipment is taken to equipment railway carriage or compartment, and receive side guard rail under non-rescue state Hold together and recover to use combining with side guard rail for the vehicle of security when ensureing driving to side guard rail intrinsic function Pull-out type steps on car platform.

What task of the present utility model was performed by, a kind of pull-out type Deng Cheping combined with side guard rail of vehicle Platform, described vehicle includes a pair of chassis ridgepoles in length direction keeping parallelism each other, in the length side to chassis ridgepole To top be respectively fixed with a subframe longitudinal beam, offer a left frame cross resigning hole in the left end of subframe longitudinal beam, and The right-hand member of subframe longitudinal beam offers a right frame cross resigning hole, is worn simultaneously in the position corresponding to left frame cross resigning hole A left frame cross is fixed with, and is worn in the position corresponding to right frame cross resigning hole and is fixed with a right frame cross, Left frame cross and right frame cross form cross false relation and left frame cross and the right side with subframe longitudinal beam The front-end and back-end of frame cross lean out subframe longitudinal beam, and the pull-out type combined with side guard rail steps on car platform bag Include：A Slideslip being set corresponding to the front-end and back-end of left frame cross and with left frame cross towards right frame cross Each Gen Dengche platform left rails coordinated, the bottom of the one end of car platform left rail away from subframe longitudinal beam is stepped on vertical at this A left column is fixed with the state for stepping on car platform left rail；Corresponding to right frame cross front-end and back-end set and with Each right guide rail of Gen Dengche platforms that the side of right frame cross towards left frame cross is slidably matched, step on the car platform right side at this and lead The bottom of the one end of rail away from subframe longitudinal beam perpendicular to the state for stepping on the right guide rail of car platform to be fixed with a right column；Prevent on one Guardrail, left end of guard rail is fixed with the top for stepping on the one end of car platform left rail away from the subframe longitudinal beam on this, And the right-hand member of upper guard rail is fixed with the top for stepping on the one end of the right guide rail of car platform away from subframe longitudinal beam；Once protect Column, the left end of the lower guard rail are linked by the left end of left connecting piece and upper guard rail, and on rear side of the left end of the lower guard rail It is hinged corresponding to the position of the left column and the lower end of left column, the right-hand member of lower guard rail passes through right connecting piece and upper protection The right-hand member on column links, and is cut with scissors on rear side of the right-hand member of the lower guard rail in the position corresponding to the right column and the lower end of right column Connect；Be arranged on the front-end and back-end bottom of the left frame cross each one is used to the left column is locked or unlocked Left column locking mechanism；Be arranged on the front-end and back-end bottom of the right frame cross each one is used for the right column The right column locking mechanism for locking or unlocking；It is arranged on the left column and is used to lock the left end of the lower guard rail The left locking mechanism of lower guard rail that is fixed or unlocking；It is arranged on the right column and is used to lock the right-hand member of lower guard rail Or the right locking mechanism of lower guard rail to unlock, when it is described step on car platform left rail and step on the right guide rail of car platform simultaneously towards The direction displacement of subframe longitudinal beam and be moved to the left column degree corresponding with the left column locking mechanism and During the right column degree corresponding with the right column locking mechanism, left column is locked by left column locking mechanism, together When right column is locked by right column locking mechanism, when under side guard rail be flipped up to simultaneously with the left column and described During the degree that right column reclines, the left end of lower guard rail is locked by the described left locking mechanism of lower guard rail, while by described The lower right locking mechanism of guard rail locks to the right-hand member of lower guard rail.

In a specific embodiment of the present utility model, in the front-end and back-end of the left frame cross and direction The side for stepping on car platform left rail is respectively rotationally provided with least one pair of Deng Cheping by stepping on car platform left rail roller shaft Platform left rail roller, lead in the front-end and back-end of the right frame cross and towards the side for stepping on the right guide rail of car platform is each Cross to step on the right track roller axle of car platform and be rotationally provided with least one pair of and step on the right track roller of car platform, described steps on a car platform left side Guide rail slides with stepping on the cooperation of car platform left rail roller-coaster, described stepping on the right guide rail of car platform and step on the right track roller of car platform Coordinate.

In another specific embodiment of the present utility model, in the car platform left rail of stepping on towards the left vehicle frame The length direction of the side of crossbeam forms and steps on car platform left rail groove, and this steps on car platform left rail groove and described Deng Cheping Platform left rail roller-coaster coordinates；Length direction structure in the side towards the right frame cross of stepping on the right guide rail of car platform Cheng Youyi steps on the right guide groove of car platform, and this is stepped on the right guide groove of car platform and is slidably matched with the described right track roller of car platform of stepping on.

In another specific embodiment of the present utility model, the described shape of cross section for stepping on car platform left rail In] font, and the described shape of cross section for stepping on the right guide rail of car platform is in [font.

In another specific embodiment of the present utility model, on described left column and corresponding to the left side The position of column locking mechanism offers a left column lock hole, and left column locking mechanism is corresponding to the left column lock hole Left column is locked or unlocked by position, the structure of the right column locking mechanism and the structure of the left column locking mechanism It is identical, and the mode that right column locking mechanism is locked or unlocked to the right column is stood with left column locking mechanism to a left side The mode that post locks or unlocked is identical.

In an also specific embodiment of the present utility model, described left column locking mechanism includes a left column Dead bolt seat, a left column dead bolt and a left column dead bolt spring, left column dead bolt seat and the left car The bottom of frame crossbeam is fixed, and left column dead bolt is movably arranged on left column plug housing, left column dead bolt spring It is nested with the position of the left column dead bolt seat chamber corresponding to left column dead bolt seat on left column dead bolt, and One end of the left column dead bolt spring is supported on the spring base being formed on left column dead bolt, and the other end supports In the cavity wall of left column dead bolt seat chamber.

Of the present utility model more and in a specific embodiment, it is fixed with described on the left end end face of guard rail The left connecting piece hook of guard rail on one, and the right connecting piece hook of guard rail on one is fixed with the right-hand member end face of upper guard rail, The left connecting piece hook of guard rail is fixed with the left end end face of the lower guard rail, and in the right-hand member end face of lower guard rail On be fixed with the right connecting piece of guard rail hook, described left connecting piece be attached at the left connecting piece hook of guard rail with it is lower anti- Between the left connecting piece hook of guardrail, and described right connecting piece is attached at the right connecting piece hook of guard rail and the lower right company of guard rail Between knot part hook.

In an of the present utility model and then specific embodiment, described left connecting piece and right connecting piece are chain Or steel wire rope.

Of the present utility model and more and in a specific embodiment, the lower guard rail left end towards the left side The side of column and the left hinged seat of guard rail is fixed with the position corresponding to left column, the lower left hinged seat of guard rail Be hinged by the lower end of left hinging pin shaft and left column, lower guard rail right-hand member towards the side of the right column and right The right hinged seat of guard rail should be fixed with the position of right column, the lower right hinged seat of guard rail passes through right hinging pin shaft and the right side The lower end of column is hinged.

It is of the present utility model and and then a specific embodiment in, on front side of the left end of the lower guard rail and The left lock hole of guard rail is offered corresponding to the position of the lower left locking mechanism of guard rail, and in the right-hand member of lower guard rail Front side and the right lock hole of guard rail is offered in the position corresponding to the lower right locking mechanism of guard rail, it is described lower anti- The left locking mechanism of guardrail includes the left dead bolt seat of guard rail, the once left dead bolt of guard rail and the once left lock of guard rail Determine latch spring, the lower left dead bolt seat of guard rail is fixed on the left column back to the upper of the side of the subframe longitudinal beam Portion, the lower left dead bolt of guard rail are arranged on the left dead bolt seat of lower guard rail up or down, and the lower left locking of guard rail is inserted Pin spring is nested with lower protection in the position of the left dead bolt seat chamber of lower guard rail corresponding to the left dead bolt seat of lower guard rail On the left dead bolt in column and the lower left dead bolt spring of guard rail one end be supported on be formed in lower guard rail it is left locking insert On latch spring seat on pin, and the other end is supported in the cavity wall of the left dead bolt seat chamber of lower guard rail, when by lower guard rail Be flipped up to and meanwhile mutually reclined with the left column and right column degree when, the lower left lock hole of guard rail with it is described The lower section of the lower left dead bolt of guard rail is corresponding and down will in the left lock hole of guard rail by the left dead bolt insertion of lower guard rail The left end locking of lower guard rail, the structure of the lower right locking mechanism of guard rail and the structure of the lower left locking mechanism of guard rail The identical and lower right locking mechanism of guard rail is in the position corresponding to the lower right lock hole of guard rail by the right side of lower guard rail Hold the lock mode of locking identical with the lock mode that the lower left locking mechanism of guard rail locks the left end of lower guard rail.

Technical scheme provided by the utility model has technical effect that：When vehicle is in rescue state and as rescue people Member is into equipment railway carriage or compartment when taking Rescue Kits, release left column locking mechanism and right column locking mechanism respectively to left column with And the locking of right column, upper guard rail are outwards removed by means of stepping on car platform left rail and stepping on the right guide rail of car platform, solved simultaneously Except the locking to the left end and right-hand member of lower guard rail respectively of the left and right locking mechanism of lower guard rail, make on upper and lower guard rail develops into The gradient relation of subordinate, follow lower guard rail for rescue personnel and upper guard rail steps on car and takes Rescue Kits to equipment railway carriage or compartment, and Upper and lower guard rail is collapsed by foregoing opposite operating process and recover intrinsic to side guard rail after the completion of rescue task Function and use ensure driving when security.

Brief description of the drawings

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

Fig. 2 is the schematic diagram equipped with the vehicle of structure shown in Fig. 1.

Fig. 3 is that the upper and lower guard rail of structure shown in Fig. 1 is in the schematic diagram of non-working condition.

Fig. 4 is that the upper and lower guard rail of structure shown in Fig. 1 is in the schematic diagram of use state.

Fig. 5 is Fig. 2 A portions enlarged drawing.

Embodiment

In order to which the technical essence of the utility model and beneficial effect is more clearly understood, applicant is below with reality The mode for applying example elaborates, but the description to embodiment is not the limitation to the utility model, any foundation The made only formal rather than substantial equivalent transformation of the utility model design is regarded as of the present utility model Technical scheme category.

The concept of the every directionality for being related to upper, lower, left, right, front and rear or directionality is all in the following description For the location status shown in Fig. 1, thus it can not be understood as to the special of technical scheme provided by the utility model Limit.

Fig. 1 is referred to, shows in length direction keeping parallelism each other a pair of structural system of vehicle（That is " parallel "） Chassis ridgepole 1, a subframe longitudinal beam is preferably fixed with welding manner the top of the length direction to chassis ridgepole 1 is each 11, a left frame cross resigning hole 111 is offered in the left end of subframe longitudinal beam 11, and the right-hand member in subframe longitudinal beam 11 opens up There is a right frame cross resigning hole 112, left frame cross resigning hole 111 and right frame cross resigning hole 112 are in door shape, It is in n fonts, is worn in the position corresponding to left frame cross resigning hole 111 and be fixed with a left frame cross 2, and right It should be worn in the position of right frame cross resigning hole 112 and be fixed with a right frame cross 3, left frame cross 2 and right vehicle frame Crossbeam 3 cross false relation is formed with subframe longitudinal beam 11 and the front end of left frame cross 2 and right frame cross 3 and Rear end leans out subframe longitudinal beam 11.

As the technical essential of technical scheme provided by the utility model, show that the pull-out type combined with side guard rail is stepped on The structural system of car platform such as lower component：It is being set corresponding to the front-end and back-end of left frame cross 2 and horizontal with left vehicle frame Each Gen Dengche platforms left rail 4 that beam 2 is slidably matched towards the side of right frame cross 3, at this, to step on car platform left rail 4 remote From the bottom of one end of subframe longitudinal beam 11 to be preferably fixed with one with welding manner perpendicular to the state for stepping on car platform left rail 4 Left column 41；It is being set corresponding to the front-end and back-end of right frame cross 3 and with right frame cross 3 towards left frame cross 2 The right guide rail 5 of each Gen Dengche platforms that is slidably matched of side, step on one of the right guide rail 5 of car platform away from subframe longitudinal beam 11 at this The bottom at end perpendicular to the state for stepping on the right guide rail 5 of car platform to be fixed with a right column 51；Guard rail 6 on one, guard rail 6 on this Left end fix with the foregoing top for stepping on the one end of car platform left rail 4 away from foregoing subframe longitudinal beam 11, and upper guard rail 6 Right-hand member is fixed with the foregoing top for stepping on the right one end of guide rail 5 away from subframe longitudinal beam 11 of car platform；Guard rail 7 once, this is lower anti- The left end of guardrail 7 is linked by the left end of left connecting piece 71 and upper guard rail 6, and right on rear side of the left end of the lower guard rail 7 Should be hinged in the position of foregoing left column 41 and the lower end of left column 41, the right-hand member of lower guard rail 7 by right connecting piece 72 with it is upper The right-hand member of guard rail 6 links, and in the position corresponding to foregoing right column 51 and right column on rear side of the right-hand member of the lower guard rail 7 51 lower end is hinged；Be arranged on the front-end and back-end bottom of foregoing left frame cross 2 each one is used for foregoing left column 41 The left column locking mechanism 8 for locking or unlocking；It is arranged on each one of the front-end and back-end bottom of foregoing right frame cross 3 For the right column locking mechanism 10 that foregoing right column 51 is locked or unlocked；It is arranged on foregoing left column 41 and is used for To the left end locking of foregoing lower guard rail 7 or the left locking mechanism 9 of lower guard rail to unlock；It is arranged on foregoing right column 51 The right locking mechanism 20 of lower guard rail for being used to the right-hand member of lower guard rail 7 is locked or unlocked.

Step on car platform left rail 4 when foregoing and step on the right guide rail 5 of car platform simultaneously towards the direction position of subframe longitudinal beam 11 Move and be moved to foregoing left column 41 degree corresponding with foregoing left column locking mechanism 8 and foregoing right column 51 with before When stating the corresponding degree of right column locking mechanism 10, left column 41 is locked by left column locking mechanism 8, while by right column Locking mechanism 10 locks right column 51, when guard rail 7 is flipped up to while with foregoing left column 41 and the foregoing right side under side During the degree that column 51 reclines, the left end of lower guard rail 7 is locked by the foregoing left locking mechanism 9 of lower guard rail, while by preceding The right locking mechanism 20 of lower guard rail is stated to lock the right-hand member of lower guard rail 7.

Fig. 2 is referred to, figure 2 illustrates the structural system for the aforementioned vehicle being mounted on subframe longitudinal beam 11 And it is furnished with the equipment railway carriage or compartment 30 of equipment railway carriage or compartment door 301 in both sides, in the utility model, described vehicle refers to breakdown lorry.In addition, Professional general knowledge in the explanation to Fig. 1 above and is combined by applicant：It is respectively provided with the front side of vehicle and rear side upper and lower Guard rail 6,7, can't be to those skilled in the art although illustrate only the upper and lower guard rail 6,7 of front side in Fig. 1 Understanding produce puzzlement.The pull-out type combined with side guard rail only for vehicle front side steps on the structure work of car platform more below Detailed description.Afterbody side equally setting one before and after the right-hand member of location status i.e. shown in Fig. 2 in vehicle is also show in fig. 2 The foregoing pull-out type combined with side guard rail steps on car platform.

Continue to see Fig. 1, in the front-end and back-end of foregoing left frame cross 2 and towards foregoing car platform left rail 4 of stepping on Respectively being rotationally provided with least one pair of by stepping on car platform left rail roller shaft 211 steps on car platform left rail roller 21 for side, The front-end and back-end of foregoing right frame cross 3 and towards the foregoing side for stepping on the right guide rail 5 of car platform respectively by step on car platform the right side Track roller axle 311, which is rotationally provided with, steps on the right track roller 31 of car platform for a pair, foregoing to step on car platform left rail 4 and step on car Platform left rail roller 21 is slidably matched, and the foregoing right guide rail 5 of car platform of stepping on is slidably matched with stepping on the right track roller 31 of car platform. Applicant it is emphasized that：If increase steps on car platform left rail roller 21 and steps on the right track roller 31 of car platform, then Equivalent technological means should be considered as and still belong to technical connotation category disclosed in the utility model.

In foregoing car platform left rail 4 of stepping on towards the side of foregoing left frame cross 2（The left side of diagram state）Length Direction forms and steps on car platform left rail groove 42, and this is stepped on car platform left rail groove 42 and steps on car platform left rail roller with foregoing 21 are slidably matched, that is to say, that foregoing car platform left rail roller 21 of stepping on steps on the formation rolling of car platform left rail groove 42 with this It is secondary；In the foregoing right guide rail 5 of car platform of stepping on towards the side of foregoing right frame cross 3（The right side of diagram state）Length direction structure Cheng Youyi steps on the right guide groove 52 of car platform, and this is stepped on the right guide groove 52 of car platform and slided with the foregoing right track roller 31 of car platform of stepping on Coordinate, that is to say, that step on the right track roller 31 of car platform and step on the right formation of guide groove 52 rolling pair of car platform.

In the present embodiment, the foregoing shape of cross section for stepping on car platform left rail 4 is in] font, and foregoing Deng Cheping The shape of cross section of the right guide rail 5 of platform is in [font, specifically, to step on car platform left rail 4 using channel-section steel making and step on car platform Right guide rail 5.

Continue to see Fig. 1, opened up on foregoing left column 41 and in the position corresponding to foregoing left column locking mechanism 8 There is a left column lock hole 411, left column locking mechanism 8 is in the position corresponding to the left column lock hole 411 by left column 41 Lock or unlock, because the structure of foregoing right column locking mechanism 10 is identical with the structure of foregoing left column locking mechanism 8, And right column locking mechanism 10 is to foregoing right column 51（Equally offered on right column 51 and be equal to left column lock hole 411 Right column lock hole）The mode for locking or unlocking is locked or unlocked to left column 41 with left column locking mechanism 8 Mode it is identical, thus applicant is no longer described in more detail to right column locking mechanism 10 below.

Refer to Fig. 5 and combine Fig. 1, foregoing left column locking mechanism 8 includes a left column dead bolt seat 81, one The left column dead bolt spring 83 of left column dead bolt 82 and one, left column dead bolt seat 81 and foregoing left frame cross 2 Bottom fix, left column dead bolt 82 is movably（Movably）It is arranged on left column plug housing 81, left column lock Determine latch spring 83 to be nested with the position of the left column dead bolt seat chamber 811 corresponding to left column dead bolt seat 81 left vertical On post dead bolt 82, and one end of the left column dead bolt spring 83（The right-hand member of diagram）It is supported on and is formed in left column On spring base 821 on dead bolt 82, and the other end（The left end of diagram）It is supported on the chamber of left column dead bolt seat chamber 811 On wall.

Continue to see Fig. 1, on foregoing on the left end end face of guard rail 6 and side to the front is fixed with the left link of guard rail on one Part hook 61, and on the right-hand member end face of upper guard rail 6 and side to the front is fixed with the right connecting piece of guard rail on one hook 62, On the left end end face of foregoing lower guard rail 7 and side to the front is fixed with the left connecting piece hook 73 of guard rail, and in lower protection On the right-hand member end face on column 7 and side to the front is fixed with the right connecting piece hook 74 of guard rail, and foregoing left connecting piece 71 links Between the left connecting piece hook 61 of upper guard rail and the left connecting piece hook 73 of lower guard rail, and foregoing right connecting piece 72 is attached at Between the upper right connecting piece hook 62 of guard rail and the right connecting piece hook 74 of lower guard rail.

In the present embodiment, foregoing left connecting piece 71 and right connecting piece 72 are chain, but do not repel and use steel wire Rope or other equivalent connecting pieces.

Continue to see Fig. 1, foregoing lower guard rail 7 left end towards the side of foregoing left column 41（The rear side of diagram）And The left hinged seat 75 of guard rail is fixed with the position corresponding to left column 41, the lower left hinged seat 75 of guard rail passes through left hinge The lower end of pin axle 751 and left column 41 is hinged, lower guard rail 7 right-hand member towards the side of foregoing right column 51（Diagram Rear side）And the right hinged seat 76 of guard rail is fixed with the position corresponding to right column 51, the lower right hinged seat of guard rail 76 are hinged by the lower end of right hinging pin shaft 761 and right column 51.

Continue to see Fig. 1, on front side of the left end of foregoing lower guard rail 7（By taking location status shown in Fig. 1 as an example）And corresponding The left lock hole 77 of guard rail is offered in the position of the foregoing lower left locking mechanism 9 of guard rail, and in the right-hand member of lower guard rail 7 Front side（By taking location status shown in Fig. 1 as an example）And offer one in the position corresponding to the foregoing lower right locking mechanism 20 of guard rail The lower right lock hole 78 of guard rail.

Continue to see Fig. 1 and Fig. 5, the foregoing lower left locking mechanism 9 of guard rail includes the left dead bolt seat 91, one of guard rail The left dead bolt 92 of lower guard rail and once the left dead bolt spring 93 of guard rail, the lower left dead bolt seat 91 of guard rail are fixed on Foregoing left column 41 is back to the side of foregoing subframe longitudinal beam 11（The front side of diagram）Top, the lower left dead bolt 92 of guard rail It is arranged on up or down on the left dead bolt seat 91 of lower guard rail, the lower left dead bolt spring 93 of guard rail is corresponding to lower anti- The position of the left dead bolt seat chamber 911 of lower guard rail of guardrail tool dead bolt seat 91 is nested with the left dead bolt 92 of lower guard rail Upper and the lower left dead bolt spring 93 of guard rail one end（Lower end）It is supported on and is formed in the left dead bolt 92 of lower guard rail On latch spring seat 921 on, and the other end（Upper end）It is supported on the cavity wall of the left dead bolt seat chamber 911 of lower guard rail（Epicoele Wall）On.

Lower guard rail 7 is flipped up to the degree for making it while being reclined with foregoing left column 41 and the phase of right column 51, The now foregoing left lock hole 77 of lower guard rail is corresponding with the lower section of the foregoing lower left dead bolt 92 of guard rail and by rescue personnel Operation the left dead bolt 92 of lower guard rail is inserted in the left lock hole 77 of lower guard rail the left end of lower guard rail 7 is locked, it is preceding State the right locking mechanism 20 of lower guard rail structure is identical with the structure of the foregoing lower left locking mechanism 9 of guard rail and the lower guard rail The locking side that right locking mechanism 20 locks the right-hand member of lower guard rail 7 in the position corresponding to the foregoing lower right lock hole 78 of guard rail Formula is identical with the lock mode that the left locking mechanism 9 of lower guard rail locks the left end of lower guard rail 7.

Refer to Fig. 3 and combine Fig. 1, Fig. 3 shows that the utility model is in the situation of non-working condition, in the situation Under, upper guard rail 6 and lower guard rail 7 show as qualified side guard rail and use safety when support vehicles travel. Specifically：Lower guard rail 7 is flipped up 90 ° by rescue personnel, makes the lower guard rail 7 of state shown in Fig. 1 towards upper side Reclined simultaneously with left and right column 41,51, then the left dead bolt 92 of lower guard rail is inserted into the left lock hole 77 of lower guard rail, simultaneously By the lower right lock hole 78 of guard rail of the right dead bolt insertion of the lower guard rail of the structural system of the right locking mechanism 20 of lower guard rail.Connect And the active force inwardly elapsed is applied to upper guard rail 3 and/or lower guard rail 7 by rescue personnel, now lead stepping on a car platform left side Rail 4 and step under the guiding of the right guide rail 5 of car platform and make upper and lower guard rail 6,7 inward displacements, until being displaced on left column 41 The degree corresponding with left column dead bolt 82 of left column lock hole 411, by the manually operated of rescue personnel, left column is locked Determine latch 82 and insert left column lock hole 411, the right column dead bolt of the structural system of right column locking mechanism 10 is right with example Right column lock hole locking on right column 51, so that upper and lower guard rail 6,7 is in the state shown in Fig. 2 and Fig. 3.

Refer to Fig. 4 and combine Fig. 1, when vehicle arrive at rescue place and open in the state of equipment railway carriage or compartment door 301 to When required rescue equipment is taken in equipment railway carriage or compartment 30, then stand on the left side that foregoing left column locking mechanism 8 is released by rescue personnel Locking of the post dead bolt 82 to left column 41, that is, left column dead bolt 82 is exited left column lock hole 411, the right side is vertical The same example of operation of post locking mechanism 10, that is, the right column dead bolt of right column locking mechanism 10 is exited on right column 51 Right column lock hole.Then upper guard rail 6 is drawn together with lower guard rail 7 in the case where stepping on the guiding of the left and right guide rail 4,5 of car platform Go out.Followed by locking of the left locking mechanism 9 of guard rail to the left end of lower guard rail 7 under releasing, that is, make the left lock of lower guard rail Determine latch 92 and exit the left lock hole 77 of lower guard rail, the same example of operation of the lower right locking mechanism 20 of guard rail, that is, make lower protection The right dead bolt of lower guard rail of the structural system of the right locking mechanism 20 in column exits the right lock hole 78 of lower guard rail, so that upper, Lower guard rail 6,7 shows as the step shape shown in Fig. 4.Rescue personnel can follow step ascend a height take or place to equipment railway carriage or compartment it is each Class Rescue Kits.

In summary, technical scheme provided by the utility model compensate for the shortcoming in prior art, favorably accomplish Invention task, the technique effect referred in the superincumbent technique effect column of applicant is faithfully cashed.

Claims (10)

1. a kind of pull-out type combined with side guard rail of vehicle steps on car platform, described vehicle include a pair length direction that The chassis ridgepole (1) of this keeping parallelism, a subframe longitudinal beam is respectively fixed with the top of the length direction to chassis ridgepole (1) (11) a left frame cross resigning hole (111), is offered in the left end of subframe longitudinal beam (11), and in subframe longitudinal beam (11) Right-hand member offers a right frame cross resigning hole (112), wears and consolidates in the position corresponding to left frame cross resigning hole (111) Surely there is a left frame cross (2), and worn in the position corresponding to right frame cross resigning hole (112) and be fixed with a right vehicle frame Crossbeam (3), left frame cross (2) and right frame cross (3) form cross false relation simultaneously with subframe longitudinal beam (11) And the front-end and back-end of left frame cross (2) and right frame cross (3) lean out subframe longitudinal beam (11), it is characterised in that institute The pull-out type combined with side guard rail stated, which steps on car platform, to be included：Set corresponding to the front-end and back-end of left frame cross (2) And each Gen Dengche platforms left rail (4) being slidably matched with the side of left frame cross (2) towards right frame cross (3), The bottom of the one end of car platform left rail (4) away from subframe longitudinal beam (11) is stepped on perpendicular to stepping on car platform left rail (4) at this State be fixed with a left column (41)；It is being set corresponding to the front-end and back-end of right frame cross (3) and horizontal with right vehicle frame Each right guide rail of Gen Dengche platforms (5) that beam (3) is slidably matched towards the side of left frame cross (2), the car platform right side is stepped at this The bottom of the one end of guide rail (5) away from subframe longitudinal beam (11) perpendicular to the state for stepping on the right guide rail of car platform (5) to be fixed with one Right column (51)；Guard rail (6) on one, left end of guard rail (6) steps on the remote pair of car platform left rail (4) with described on this The top of one end of longitudinal beam (11) is fixed, and the right-hand member of upper guard rail (6) steps on the remote pair of the right guide rail of car platform (5) with described The top of one end of longitudinal beam (11) is fixed；Guard rail (7) once, the left end of the lower guard rail (7) pass through left connecting piece (71) left end with upper guard rail (6) links, and corresponding to the left column (41) on rear side of the left end of the lower guard rail (7) Position and the lower end of left column (41) be hinged, the right-hand member of lower guard rail (7) passes through right connecting piece (72) and upper guard rail (6) Right-hand member links, and in the position corresponding to the right column (51) and right column (51) on rear side of the right-hand member of the lower guard rail (7) Lower end be hinged；Be arranged on the front-end and back-end bottom of the left frame cross (2) each one is used for the left column (41) the left column locking mechanism (8) for locking or unlocking；It is arranged on the front-end and back-end bottom of the right frame cross (3) Each one be used to lock the right column (51) or the right column locking mechanism (10) that unlocks；It is arranged on described left vertical The left locking mechanism of lower guard rail (9) for being used to the left end of the lower guard rail (7) is locked or unlocked on post (41)；If Put the right locking machine of lower guard rail for being used to the right-hand member of lower guard rail (7) is locked or unlocked on the right column (51) Structure (20), step on car platform left rail (4) when described and step on the right guide rail of car platform (5) while towards the side of subframe longitudinal beam (11) To displacement and it is moved to the left column (41) degree corresponding with the left column locking mechanism (8) and described right vertical During post (51) degree corresponding with the right column locking mechanism (10), by left column locking mechanism (8) by left column (41) Locking, at the same by right column locking mechanism (10) by right column (51) lock, when under side guard rail (7) be flipped up to simultaneously with It is right by the described left locking mechanism of lower guard rail (9) during the degree that the left column (41) and the right column (51) recline The left end locking of lower guard rail (7), while the right-hand member of lower guard rail (7) is locked by the lower right locking mechanism of guard rail (20) It is fixed.

2. the pull-out type combined with side guard rail of vehicle according to claim 1 steps on car platform, it is characterised in that in institute State the front-end and back-end of left frame cross (2) and towards the side for stepping on car platform left rail (4) respectively by stepping on car platform Left rail roller shaft (211) is rotationally provided with least one pair of and steps on car platform left rail roller (21), in the right frame cross (3) front-end and back-end and towards the side for stepping on the right guide rail of car platform (5) respectively by stepping on the right track roller axle of car platform (311) rotationally it is provided with least one pair of and steps on the right track roller of car platform (31), it is described to step on car platform left rail (4) and step on car Platform left rail roller (21) is slidably matched, and described stepping on the right guide rail of car platform (5) and step on the right track roller of car platform (31) is slided It is dynamic to coordinate.

3. the pull-out type combined with side guard rail of vehicle according to claim 2 steps on car platform, it is characterised in that in institute State to step on car platform left rail (4) and form towards the length direction of the side of the left frame cross (2) and step on a car platform left side and lead Track slot (42), this is stepped on car platform left rail groove (42) and is slidably matched with described car platform left rail roller (21) of stepping on；Described Step on the right guide rail of car platform (5) and step on the right guide rail of car platform towards the length direction composition of the side of the right frame cross (3) Groove (52), this is stepped on the right guide groove of car platform (52) and is slidably matched with the described right track roller of car platform (31) of stepping on.

4. the pull-out type combined with side guard rail of the vehicle according to claim 1 or 2 or 3 steps on car platform, its feature exists It is in the described shape of cross section for stepping on car platform left rail (4)] font, and described step on the transversal of the right guide rail of car platform (5) Face shape is in [font.

5. the pull-out type combined with side guard rail of vehicle according to claim 1 steps on car platform, it is characterised in that in institute A left column lock hole is offered on the left column (41) stated and in the position corresponding to the left column locking mechanism (8) (411), left column (41) is locked or solved in the position corresponding to the left column lock hole (411) by left column locking mechanism (8) Except locking, the structure of the right column locking mechanism (10) is identical with the structure of the left column locking mechanism (8), and right vertical The mode that post locking mechanism (10) is locked or unlocked to the right column (51) is with left column locking mechanism (8) to left column (41) mode for locking or unlocking is identical.

6. the pull-out type combined with side guard rail of vehicle according to claim 5 steps on car platform, it is characterised in that described Left column locking mechanism (8) include a left column dead bolt seat (81), a left column dead bolt (82) and a left column Dead bolt spring (83), left column dead bolt seat (81) and the bottom of the left frame cross (2) are fixed, left column locking Latch (82) is movably arranged on left column plug housing (81), and left column dead bolt spring (83) is locked corresponding to left column The position for determining the left column dead bolt seat chamber (811) of plug housing (81) is nested with left column dead bolt (82), and should One end of left column dead bolt spring (83) is supported on the spring base (821) being formed on left column dead bolt (82), And the other end is supported in the cavity wall of left column dead bolt seat chamber (811).

7. the pull-out type combined with side guard rail of vehicle according to claim 1 steps on car platform, it is characterised in that in institute State and the left connecting piece hook (61) of guard rail on one is fixed with the left end end face of guard rail (6), and on the right side of upper guard rail (6) The right connecting piece hook (62) of guard rail on one is fixed with the end face of end, is fixed with the left end end face of the lower guard rail (7) The left connecting piece hook (73) of guard rail once, and the right link of guard rail is fixed with the right-hand member end face of lower guard rail (7) Part links up with (74), and described left connecting piece (71) is attached at the left connecting piece hook (61) of guard rail and the lower left connecting piece of guard rail Between linking up with (73), and described right connecting piece (72) is attached at the right connecting piece hook (62) of guard rail and the lower right company of guard rail Between knot part hook (74).

8. the pull-out type combined with side guard rail of the vehicle according to claim 1 or 7 steps on car platform, it is characterised in that institute The left connecting piece (71) and right connecting piece (72) stated are chain or steel wire rope.

9. the pull-out type combined with side guard rail of vehicle according to claim 1 steps on car platform, it is characterised in that in institute The left end of lower guard rail (7) is stated to be fixed with towards the side of the left column (41) and in the position corresponding to left column (41) The left hinged seat of guard rail (75) once, the lower left hinged seat of guard rail (75) pass through left hinging pin shaft (751) and left column (41) Lower end be hinged, lower guard rail (7) right-hand member towards the side of the right column (51) and corresponding to right column (51) Position be fixed with the right hinged seat of guard rail (76), the lower right hinged seat of guard rail (76) passes through right hinging pin shaft (761) It is hinged with the lower end of right column (51).

10. the pull-out type combined with side guard rail of vehicle according to claim 1 steps on car platform, it is characterised in that in institute State on front side of the left end of lower guard rail (7) and offered in the position corresponding to the lower left locking mechanism of guard rail (9) The left lock hole of guard rail (77), and on front side of the right-hand member of lower guard rail (7) and corresponding to the lower right locking machine of guard rail The position of structure (20) offers the right lock hole of guard rail (78), and the lower left locking mechanism of guard rail (9) includes preventing The left dead bolt seat (91) of guardrail, the once left dead bolt of guard rail (92) and the once left dead bolt spring (93) of guard rail, The lower left dead bolt seat (91) of guard rail is fixed on the left column (41) back to the upper of the side of the subframe longitudinal beam (11) Portion, the lower left dead bolt of guard rail (92) are arranged on the left dead bolt seat (91) of lower guard rail up or down, lower guard rail Left dead bolt spring (93) is in the left dead bolt seat chamber of lower guard rail corresponding to the left dead bolt seat (91) of lower guard rail (911) position be nested with the left dead bolt of lower guard rail (92) and the lower left dead bolt spring (93) of guard rail one End is supported on the latch spring seat (921) being formed on the left dead bolt of lower guard rail (92), and the other end be supported on it is lower anti- In the cavity wall of the left dead bolt seat chamber (911) of guardrail, it is flipped up when by lower guard rail (7) to while with the left column (41) And right column (51) mutually recline degree when, the lower left lock hole of guard rail (77) and the lower left dead bolt of guard rail (92) lower section is corresponding and is inserted lower protection by the left dead bolt of lower guard rail (92) in the lower left lock hole of guard rail (77) The left end locking on column (7), the structure of the lower right locking mechanism of guard rail (20) and the lower left locking mechanism of guard rail (9) Structure is identical and the lower right locking mechanism of guard rail (20) will in the position corresponding to the lower right lock hole of guard rail (78) The lock mode of the right-hand member locking of lower guard rail (7) locks the left end of lower guard rail (7) with the lower left locking mechanism of guard rail (9) Lock mode it is identical.