CN209082400U

CN209082400U - A kind of road traffic multi-purpose environmental protection protective guard device

Info

Publication number: CN209082400U
Application number: CN201821910316.4U
Authority: CN
Inventors: 黄西子
Original assignee: Shanghai Jiaotong University
Current assignee: Shanghai Jiaotong University
Priority date: 2018-11-20
Filing date: 2018-11-20
Publication date: 2019-07-09
Anticipated expiration: 2028-11-20

Abstract

The utility model discloses a kind of road traffic multi-purpose environmental protection protective guard devices, belong to traffic safety technology field.When vehicle collision occurs to Anti-collision railing, first, the pressure inductor of cylindrical sleeve front end is mounted under stress effect, voice siren device is passed information to sound an alarm, passing pedestrian and vehicle is reminded to keep paying attention to, simultaneously, air bag is attached to the surface of elastic cord breaker from through-hole pop-up, Anti-collision railing is reduced to the collsion damage of car body surface, simultaneously, the flapper meeting slid inward in knockout process, under the action of brute spring column, play certain buffering effect, and, cylinder and piston pad inside cylindrical sleeve slows down rigid impact force after stress, impact force is subjected to slow way release, utmostly reduce the damage hit to vehicle crew and protective fence.

Description

A kind of road traffic multi-purpose environmental protection protective guard device

Technical field

The utility model relates to traffic safety technology fields more particularly to a kind of road traffic multi-purpose environmental protection protective fence to fill It sets.

Background technique

With the development of economy, people's lives level is continuously improved, and the quantity of motor vehicle is also being continuously increased, in city Protective fence is often used in road, protective fence belongs to public transport infrastructure, it is to safeguard and protect the important of road safety Safeguard, effect of the crash barrier for roads on road predominantly distinguishes lane, guarantees that vehicle presses lanes, ensure that friendship Logical safety, but existing protective fence is unsatisfactory on reply Vehicular impact protection effect, also, in the form of a single without beauty Effect, it is also not perfect in flexibly disassembly mounting technique.

Utility model content

The purpose of this utility model is to provide a kind of multipurpose protective fences with ornamental, anticollision and flexible assembling to fill It sets.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of road traffic multi-purpose environmental protection protective guard device, including column, pedestal and Anti-collision railing, on the pedestal End is fixedly connected with column bottom end, and the column bottom end left and right side is provided with clamping groove, and the column top is provided with Signal lamp, the column lower end opposite face are fixedly connected with fixed bottom bar, the column middle-end opposite face and short circuit Cross bar one end is fixedly connected, and the upper end of the column opposite face is fixedly connected with connection cross bar, in the middle part of the fixation bottom bar on Surface is fixedly connected with connector lower surface, is fixedly connected inside the connector upper end with support pile body bottom end, described Support pile body upper surface is fixedly connected with pot plant frame, and the Anti-collision railing bottom end is fixedly connected with fixed bottom bar upper surface, institute The Anti-collision railing stated has been placed equidistant with multiple groups, and the Anti-collision railing other end is inside short circuit cross bar and connection cross bar, institute The Anti-collision railing top stated is fixedly installed with LED light, and the connection cross bar middle-end is fixedly connected with protection box body, the guarantor It is provided with battery at left and right sides of shield tray interior, the protection box body front surface is provided with voice siren device, described Protection cartridge upper surface is fixedly installed with photovoltaic panel, the battery and signal lamp, LED light and voice siren device electricity Property connection.

Preferably, the pedestal includes fixed pedestal and top base, is threadedly coupled at left and right sides of the fixed pedestal There is strengthening stud, the fixed pedestal upper end is fixedly connected with top base bottom surface, is provided with column in the middle part of the top base Slot, the top base left and right side are provided with fastening bolt, and the fastening bolt inner end is fixedly connected with clamping plate side, The clamping plate upper and lower side is provided with clip-connecting rod, and the clip-connecting rod matches with clamping groove.It can be fine by setting pedestal Column is kept being bonded with it, while being easily installed and dismantling.

Preferably, the connector includes plug division and interconnecting piece, per adjacent plug division side and interconnecting piece one end It is fixedly connected, inserting groove is provided on the inside of the plug division, the plug division frame is provided with adjusting bolt, and described inserts It is center slot that socket part, which is connect at center with interconnecting piece, and the support pile body bottom end matches with central channel.Pass through connector reality It is now fixedly connected with support pile body, dismounting and change is more convenient.

Preferably, bottom surface is provided with sliding conduit on the Anti-collision railing, and the Anti-collision railing upper and lower side is equal It is provided with threaded base, the threaded base left side is threadedly coupled with cylindrical sleeve, and the cylindrical sleeve upper and lower is equal It is provided with telescopic sleeve, the telescopic sleeve left end internal activity is socketed with telescopic mast, and the telescopic mast is internally provided with Brute spring column, the brute spring column other end are fixedly connected with telescopic sleeve inner bottom surface, and the Anti-collision railing is left Side is provided with flapper, and the flapper upper and lower side matches with sliding conduit, and the flapper left side is set It is equipped with elastic cord breaker.Collision bring hardness impact can effectively be slowed down by the way that brute spring column is arranged, be effectively protected anti- Guardrail and occupant's safety.

Preferably, right end is provided with cylinder inside the cylindrical sleeve, and middle part is provided with work in the cylindrical sleeve Choker block, the piston pad left side are fixedly connected with piston rod, the fixed company of the piston rod other end and stressed plate right side It connects, the stressed plate left side is provided with elastomeric pad, and the cylindrical sleeve left end is internally provided with air bag, described Cylindrical sleeve left end be in contact with flapper right side, the cylindrical sleeve inside left face is provided with pressure sensitive Device, the cylindrical sleeve and flapper junction upper and lower are provided with through-hole, and the through-hole runs through flapper and bullet Inside property buffer layer.Strength buffering effectively can be carried out to impact force by air bag inside cylindrical sleeve and cylinder, Meanwhile air bag can utmostly reduce guard rail and scratch to surface of vehicle.

Preferably, the cylindrical sleeve has air bag one end towards road vehicle side, the Anti-collision railing Be provided with cylindrical sleeve described in two rows of symmetrical distributions can be set there are three or it is multiple.

Compared with prior art, the utility model provides a kind of road traffic multi-purpose environmental protection protective guard device, has Below the utility model has the advantages that

(1) the road traffic multi-purpose environmental protection protective guard device, column be screwed connecting with pedestal, to by both ends Column all fix it is intact after, respectively will connection cross bar, be shorted cross bar and fixed bottom bar is screwed and being connected between column, In, the symmetrical double-layer structure of column then by Anti-collision railing bottom end through the inside of connection cross bar and short circuit cross bar, is protected It holds and fixes being fixedly connected for bottom bar, wherein LED light is installed on the top of Anti-collision railing and is used to illuminate, in column Signal lamp is installed to remind pedestrian and vehicle to pay attention to traffic safety, in the upper surface middle part peace of fixed bottom bar in top Equipped with connector, and connector is that threaded upper ends are connected with support pile body, and the upper end of support pile body is provided with pot plant frame, is used There is good beautiful benefit, be equipped with protection box body in the middle part of connection cross bar, and inside is set as Urban Road Landscapes It is equipped with battery and voice siren device, the photovoltaic panel by being mounted on protection cassette upper end carries out electric energy acquisition conversion, compares Traditional protective fence the utility model has preferably ornamental and flexible assembling disassembling function；

(2) the road traffic multi-purpose environmental protection protective guard device carries out column and pedestal in assembling fixation procedure, first First, the strengthening stud for being mounted on pedestal two sides is threadedly secured on bottom surface, the stability of pedestal is kept, then, by column Lower end is inserted into inside the column slot of top base, and the clamping groove Corresponding matching that fastening bolt keeps clip-connecting rod and column bottom end is turned, Tighten fastening bolt after being clamped and keep the firm of column and pedestal, meanwhile, the connector of fixed bottom bar include interconnecting piece and Plug division loosens and adjusts bolt, and support pile body bottom end is plugged on inside central channel, then, tightens and adjusts bolt holding connection The fixation of part and support pile body, is attached that fixed not only connectivity is strong by way of clamping, and from now on disassembly or It is very convenient for during peace, is conducive to improve working efficiency；

(3) road traffic multi-purpose environmental protection protective guard device, during installing Anti-collision railing, firstly, by cylindricality The mode that sleeve is threadably secured is connected in threaded base, and flapper is mounted on to the front end of Anti-collision railing, and with cunning Dynamic conduit keeps slidably state, wherein the left side of flapper is provided with elastic cord breaker, to vehicle and crash barrier When bar collides, reduction scratches vehicle, is provided with telescopic sleeve in the upper and lower of cylindrical sleeve, and telescopic sleeve Other end internal activity is socketed with telescopic mast, brute spring column is internally provided in telescopic mast and telescopic sleeve, to keep living The stabilization of dynamic baffle, when vehicle collision occurs to Anti-collision railing, firstly, the pressure inductor for being mounted on cylindrical sleeve front end exists It under stress effect, passes information to voice siren device and sounds an alarm, passing pedestrian and vehicle is reminded to keep note that same When, air bag is attached to the surface of elastic cord breaker from through-hole pop-up, reduce Anti-collision railing to the collsion damage of car body surface, Meanwhile flapper meeting slid inward plays certain buffering effect under the action of brute spring column in knockout process, Also, the cylinder and piston pad inside cylindrical sleeve slows down rigid impact force after stress, and impact force is carried out slow way Release utmostly reduces the damage hit to vehicle crew and protective fence.

It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model By setting Anti-collision railing, column and pot plant frame, in conjunction with cylindrical sleeve and air bag effective solution protective fence function list The problem of one anti-collision effect difference.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of road traffic multi-purpose environmental protection protective guard device Facad structure signal Figure；

Fig. 2 be the utility model proposes the chassis interior structure of road traffic multi-purpose environmental protection protective guard device a kind of show It is intended to；

Fig. 3 be the utility model proposes the column bottom end structure of road traffic multi-purpose environmental protection protective guard device a kind of show It is intended to；

Fig. 4 be the utility model proposes the connection stereochemical structure of road traffic multi-purpose environmental protection protective guard device a kind of show It is intended to；

Fig. 5 be the utility model proposes a kind of road traffic multi-purpose environmental protection protective guard device connector plan structure Schematic diagram；

Fig. 6 be the utility model proposes a kind of road traffic multi-purpose environmental protection protective guard device Anti-collision railing internal junction Structure schematic diagram.

In figure: 1, column；2, pedestal；3, it is shorted cross bar；4, fixed bottom bar；5, connector；6, pile body is supported；7, crash barrier Bar；8, signal lamp；9, cross bar is connected；10, battery；11, photovoltaic panel；12, voice siren device；13, box body is protected； 14, pot plant frame；15, LED light；16, fixed pedestal；17, strengthening stud；18, fastening bolt；19, clamping plate；20, column slot；21, Clip-connecting rod；22, top base；23, clamping groove；24, plug division；25, interconnecting piece；26, central channel；27, bolt is adjusted；28, grafting Slot；29, telescopic sleeve；30, cylinder；31, piston pad；32, piston rod；33, stressed plate；34, elastomeric pad；35, air bag； 36, pressure inductor；37, flapper；38, elastic cord breaker；39, through-hole；40, telescopic mast；41, brute spring column；42, sliding Dynamic conduit；43, cylindrical sleeve；44, threaded base.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Embodiment: referring to Fig.1, a kind of road traffic multi-purpose environmental protection protective guard device, including column 1, pedestal 2 and anticollision Railing 7,2 upper end of pedestal are fixedly connected with 1 bottom end of column, and 1 bottom end left and right side of column is provided with clamping groove 23,1 top of column It is provided with signal lamp 8,1 lower end opposite face of column is fixedly connected with fixed bottom bar 4, and 1 middle-end opposite face of column and short circuit are horizontal 3 one end of bar is fixedly connected, and 1 upper end opposite face of column is fixedly connected with connection cross bar 9, fixed 4 middle part upper surface of bottom bar with connect 5 lower surface of part is fixedly connected, and is fixedly connected inside 5 upper end of connector with support 6 bottom end of pile body, and support 6 upper surface of pile body is fixed It is connected with pot plant frame 14,7 bottom end of Anti-collision railing is fixedly connected with fixed 4 upper surface of bottom bar, and Anti-collision railing 7 has been placed equidistant with more Group, for 7 other end of Anti-collision railing through being shorted inside cross bar 3 and connection cross bar 9,7 top of Anti-collision railing is fixedly installed with LED light 15, connection 9 middle-end of cross bar is fixedly connected with protection box body 13, protects and is provided with battery 10 at left and right sides of doing inside box body 13, Protection 13 front surface of box body is provided with voice siren device 12, and protection 13 upper surface of box body is fixedly installed with photovoltaic panel 11, electric power storage Pond 10 and signal lamp 8, LED light 15 and voice siren device 12 are electrically connected.

The utility model before use, firstly, be conveyed to specified the intensive traffic section, then by pedestal 2 and road surface into Row fix, column 1 be screwed connect with pedestal 2, after the column 1 at both ends is all fixed it is intact after, respectively will connect Cross bar 9, short circuit cross bar 3 and fixed bottom bar 4 are screwed and are connected between column 1, wherein the symmetrical double-deck knot of column 1 Structure then by 7 upper end of Anti-collision railing through the inside of connection cross bar 9 and short circuit cross bar 3, keeps the fixed company with fixed bottom bar 4 It connects, wherein LED light 15 is installed on the top of Anti-collision railing 7 and is used to illuminate, signal designation is installed on the top of column 1 Lamp 8 is equipped with connector 5 to remind pedestrian and vehicle to pay attention to traffic safety, in the upper surface middle part of fixed bottom bar 4, and Connector 5 is that threaded upper ends are connected with support pile body 6, and the upper end of support pile body 6 is provided with pot plant frame 14, to as city City's road landscape has good beautiful benefit, is equipped with protection box body 13 at the middle part of connection cross bar 9, and be internally provided with Battery 10 and voice siren device 12, the photovoltaic panel by being mounted on protection 13 upper end of box body carry out electric energy acquisition conversion, compare More traditional protective fence the utility model has preferably ornamental and flexible assembling disassembling function.

Embodiment 2: referring to Fig. 2-5,1 basis, pedestal 2 include fixed pedestal 16 and top base 22 in conjunction with the embodiments, Gu To determine to be threaded with strengthening stud 17 at left and right sides of pedestal 16,16 upper end of fixed pedestal is fixedly connected with 22 bottom surface of top base, on Be provided with column slot 20 in the middle part of pedestal 22,22 left and right side of top base is provided with fastening bolt 18,18 inner end of fastening bolt with 19 side of clamping plate is fixedly connected, and 19 upper and lower side of clamping plate is provided with clip-connecting rod 21, and clip-connecting rod 21 matches with clamping groove 23.

Connector 5 includes plug division 24 and interconnecting piece 25, is fixed per adjacent 24 side of plug division with 25 one end of interconnecting piece It connects, inserting groove 28 is provided on the inside of plug division 24,24 frame of plug division, which is provided with, adjusts bolt 27, plug division 24 and interconnecting piece It is center slot 26 at 25 connection centers, support 6 bottom end of pile body matches with central channel 26.

It is carried out in assembling fixation procedure by column 1 and pedestal 2, firstly, the strengthening stud 17 that 2 two sides of pedestal will be mounted on It is threadedly secured on bottom surface, keeps the stability of pedestal 2, it then, will be in the column slot 20 of the lower end insertion top base 22 of column 1 Portion turns 23 Corresponding matching of clamping groove that fastening bolt 18 keeps clip-connecting rod 21 and 1 bottom end of column, fastening spiral shell is tightened after being clamped The holding column 1 of bolt 18 is firm with pedestal 2, meanwhile, include interconnecting piece 25 and plug division 24 in the connector 5 of fixed bottom bar 4, it is loose It is dynamic to adjust bolt 27, support 6 bottom end of pile body is plugged on inside central channel 26, then, tightens and adjusts the holding connector 5 of bolt 27 With the fixation of support pile body 6, it is strong that fixed not only connectivity is attached by way of clamping, and in disassembly or peace from now on It is very convenient in the process, is conducive to improve working efficiency.

Real-time example 3: referring to Fig. 6,1 basis in conjunction with the embodiments, bottom surface is provided with sliding conduit on Anti-collision railing 7 42,7 upper and lower side of Anti-collision railing is provided with threaded base 44, and 44 left side of threaded base is threadedly coupled with cylindrical sleeve 43, column 43 upper and lower of shape sleeve is provided with telescopic sleeve 29, and 29 left end internal activity of telescopic sleeve is socketed with telescopic mast 40, telescopic mast 40 are internally provided with brute spring column 41, and 41 other end of brute spring column is fixedly connected with 29 inner bottom surface of telescopic sleeve, anticollision Flapper 37 is provided on the left of railing 7,37 upper and lower side of flapper matches with sliding conduit 42,37 left side of flapper It is provided with elastic cord breaker 38.

43 inside right end of cylindrical sleeve is provided with cylinder 30, and middle part is provided with piston pad 31, piston pad in cylindrical sleeve 43 31 left sides are fixedly connected with piston rod 32, and 32 other end of piston rod is fixedly connected with 33 right side of stressed plate, 33 left side of stressed plate Face is provided with elastomeric pad 34, and 43 left end of cylindrical sleeve is internally provided with air bag 35,43 left end of cylindrical sleeve and active catch 37 right side of plate is in contact, and 43 inside left face of cylindrical sleeve is provided with pressure inductor 36, cylindrical sleeve 43 and flapper 37 junction upper and lowers are provided with through-hole 39, and through-hole 39 is inside flapper 37 and elastic cord breaker 38.

With 35 one end of air bag towards road vehicle side, Anti-collision railing 7 is provided with two rows of in a left side cylindrical sleeve 43 It is there are three right symmetrical cylindrical sleeve 43 can be set or multiple.

During installing Anti-collision railing 7, firstly, the mode that cylindrical sleeve 43 is threadably secured is connected to screw thread In pedestal, flapper 37 is mounted on to the front end of Anti-collision railing 7, and keep slidably state with sliding conduit 42, wherein The left side of flapper 37 is provided with elastic cord breaker 38, when colliding to vehicle and Anti-collision railing 7, reduces to vehicle Scratch, be provided with telescopic sleeve 29, and the other end internal activity set of telescopic sleeve 29 in the upper and lower of cylindrical sleeve 43 It is connected to telescopic mast 40, brute spring column 41 is internally provided in telescopic mast 40 and telescopic sleeve 29, to keep flapper 37 Stabilization, when vehicle collision occurs to Anti-collision railing 7, firstly, the pressure inductor 36 for being mounted on 43 front end of cylindrical sleeve exists It under stress effect, passes information to voice siren device 12 and sounds an alarm, passing pedestrian and vehicle is reminded to keep note that same When, cylinder 30 is poured gas inside air bag 35 by 31 side seam of piston pad, and air bag 35 is popped up from through-hole 39 to be adhered to On the surface of elastic cord breaker 38, Anti-collision railing 7 is reduced to the collsion damage of car body surface, meanwhile, it is movable in knockout process The meeting slid inward of baffle 37 plays certain buffering effect, also, in cylindrical sleeve 43 under the action of brute spring column 41 The cylinder 30 and piston pad 31 in portion slow down rigid impact force after stress, and impact force is carried out slow way release, maximum journey Degree reduces the damage hit to vehicle crew and protective fence.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent replacement or change, should all cover in the protection scope of the utility model Within.

Claims

1. a kind of road traffic multi-purpose environmental protection protective guard device, including column (1), pedestal (2) and Anti-collision railing (7), special Sign is: pedestal (2) upper end is fixedly connected with column (1) bottom end, and the column (1) bottom end left and right side is provided with Clamping groove (23), the column (1) top are provided with signal lamp (8), and the column (1) lower end opposite face is fixed to be connected It is connected to fixed bottom bar (4), the column (1) middle-end opposite face is fixedly connected with cross bar (3) one end is shorted, the column (1) upper end opposite face is fixedly connected with connection cross bar (9), upper surface and connector (5) following table in the middle part of the fixation bottom bar (4) Face is fixedly connected, and is fixedly connected inside the connector (5) upper end with support pile body (6) bottom end, the support pile body (6) Upper surface is fixedly connected with pot plant frame (14), and the Anti-collision railing (7) bottom end is fixedly connected with fixed bottom bar (4) upper surface, The Anti-collision railing (7) has been placed equidistant with multiple groups, and the Anti-collision railing (7) other end is through short circuit cross bar (3) and connects Cross bar (9) is internal, and described Anti-collision railing (7) top is fixedly installed with LED light (15), and described connection cross bar (9) middle-end is solid Surely it is connected with protection box body (13), the internal left and right sides of the protection box body (13) is provided with battery (10), the guarantor Shield box body (13) front surface is provided with voice siren device (12), and described protection box body (13) upper surface is fixedly installed with photovoltaic Plate (11), the battery (10) and signal lamp (8), LED light (15) and voice siren device (12) are electrically connected.

2. a kind of road traffic multi-purpose environmental protection protective guard device according to claim 1, it is characterised in that: the bottom Seat (2) includes fixed pedestal (16) and top base (22), is threaded with reinforcement spiral shell at left and right sides of the fixed pedestal (16) Bolt (17), the fixed pedestal (16) upper end are fixedly connected with top base (22) bottom surface, are set in the middle part of the top base (22) It is equipped with column slot (20), the top base (22) left and right side is provided with fastening bolt (18), the fastening bolt (18) Inner end is fixedly connected with clamping plate (19) side, and the clamping plate (19) other side upper and lower side is provided with clip-connecting rod (21), described Clip-connecting rod (21) match with clamping groove (23).

3. a kind of road traffic multi-purpose environmental protection protective guard device according to claim 1, it is characterised in that: the company Fitting (5) includes multiple groups plug division (24) and interconnecting piece (25), per adjacent plug division (24) side and interconnecting piece (25) one End is fixedly connected, and is provided with inserting groove (28) on the inside of the plug division (24), frame setting on the outside of the plug division (24) Have adjusting bolt (27), the plug division (24) are connect at center as center slot (26), the support with interconnecting piece (25) Pile body (6) bottom end matches with central channel (26).

4. a kind of road traffic multi-purpose environmental protection protective guard device according to claim 1, it is characterised in that: described is anti- It hits bottom surface on railing (7) and is provided with sliding conduit (42), the Anti-collision railing (7) upper and lower side is provided with threaded base (44), the threaded base (44) left side is threadedly coupled with cylindrical sleeve (43), the cylindrical sleeve (43) upper and lower It is provided with telescopic sleeve (29), the telescopic sleeve (29) left end internal activity is socketed with telescopic mast (40), and described stretches Contracting column (40) is internally provided with brute spring column (41), and brute spring column (41) other end and telescopic sleeve (29) are internal Bottom surface is fixedly connected, and is provided with flapper (37) on the left of the Anti-collision railing (7), the flapper (37) upper and lower side Match with sliding conduit (42), the flapper (37) left side is provided with elastic cord breaker (38).

5. a kind of road traffic multi-purpose environmental protection protective guard device according to claim 4, it is characterised in that: the column The internal right end of shape sleeve (43) is provided with cylinder (30), and middle part is provided with piston pad (31), institute in the cylindrical sleeve (43) It is fixedly connected with piston rod (32) on the left of the piston pad (31) stated, the piston rod (32) left end and stressed plate (33) right side It is fixedly connected, the stressed plate (33) left side is provided with elastomeric pad (34), inside the cylindrical sleeve (43) left end It is provided with air bag (35), the cylindrical sleeve (43) left end is in contact with flapper (37) right side, the column Shape sleeve (43) inside left face is provided with pressure inductor (36), and the cylindrical sleeve (43) is connect with flapper (37) Place's upper and lower is provided with through-hole (39), and the through-hole (39) is internal through flapper (37) and elastic cord breaker (38).

6. a kind of road traffic multi-purpose environmental protection protective guard device according to claim 5, it is characterised in that: the column With air bag (35) one end towards road vehicle side, the Anti-collision railing (7) is provided with two rows and is in shape sleeve (43) It is there are three the bilateral symmetry distribution cylindrical sleeve (43) can be set or multiple.