CN209382120U - A kind of bus man crash protection structure - Google Patents

Abstract

The utility model belongs to car protection construction applications, specifically a kind of bus man crash protection structure.The structure includes connecting by welding between cab structure, head-on crash driver protecting structure, left side collision driver protecting structure, right side collision driver protecting structure and each component of each structure; each component part includes the multiple collision prevention girders and energy-absorbing box structure of dispersion; wherein collision prevention girders use the thin-wall steel tube in ripple section; energy-absorption box uses the thin-wall steel tube steel pipe of variable cross-section, and improves energy absorption characteristics by the way that arc-shaped induction slot and " V-shaped " energy-absorbing slot is rationally arranged.By dispersing multi-faceted arrangement driver protecting structure, the Proper Match rigidity of structure and optimization energy-absorbing box structure, realizes energy-absorbing rate and energy absorbing efficiency synchronously control, be passed to driver's cabin utmostly to reduce collision energy, to realize protection driver safety comprehensively.

Description

A kind of bus man crash protection structure

Technical field

The utility model belongs to car protection construction applications, specifically a kind of bus man crash protection structure.

Background technique

Currently, in the passive security field of car, people get used in the safety for focusing onto car occupant, The safety of bus man is concerned about less.Driver wants operator as the profession of car, when car is caused danger, Emergency operation is completed by driver, safety is not only related to the safety of all occupants in car, but also is related to other vehicles And pedestrian safety.When FC& SC occurs, since collision energy fails to be efficiently absorbed in a limited space And lead to that driver's cabin deformation is serious or collision impact is excessive, in turn result in driver's damage.Especially for answering extensively now Traditional collection is led to due to the crossbeam structure without specially bearing impact load for the unitary body structure of motorbus The car crash protection structure of middle arrangement is unable to satisfy the requirement of modern bus safety.Currently, common car crash protection knot Structure is broadly divided into following three types: the first is to absorb energy using the plastic deformation of structure, such as Chinese patent Granted publication Number are as follows: 102398559 A of CN, authorized announcement date are as follows: it is routed that on 04 04th, 2012 patent of invention discloses a kind of car central collision Contracting mechanism, which includes collision prevention girders, energy-absorption box, energy-absorption box guide plate, attachment base and longitudinal beam and clearly the structure is installed Two longitudinal beam outer ends；Chinese patent Authorization Notice No. are as follows: 103020233 A of CN；Authorized announcement date are as follows: 2013 04 The patent of invention on the moon 03 discloses a kind of car anticollision girder construction, which includes a collision prevention girders and energy-absorbing stringer, defines The collision prevention girders are connect by energy-absorbing stringer with crossbeam of passenger car；Chinese patent Authorization Notice No. are as follows: 202847620 U of CN, authorization The day for announcing are as follows: on 04 03rd, 2013 utility model patent discloses a kind of positive impact energy-absorbing structure of car and has the structure Car, which includes bumper and two longitudinal beams, and the front end of two longitudinal beams is linked together by frame cross； Chinese patent Authorization Notice No. are as follows: 205524080 U of CN, authorized announcement date are as follows: on 08 31st, 2016 when new patents A kind of car anticollision device, collision-prevention device and the car using the device are disclosed, which includes energy-absorbing frame, and energy-absorbing frame includes connection Part and the energy absorbing portion being fixedly connected with coupling part, coupling part include for bus frame connection, horizontal connection Profile, energy absorbing portion include energy-absorbing frame and be inclined at energy-absorbing frame close coupling part side energy-absorbing profile constitute Crushing type inclined support structure.Second was to absorb energy by the sliding friction between moving component, such as on 01 09th, 2005 Utility model patent discloses one kind mostly friction format safety bumper, and the inside of the bumper has by link of boards prolongs backward The transmission rod stretched, power transmission rod rear end are connected with one group of movable friction plate；On 09 18th, 2013 patents of invention disclose one Kind of car Energy Absorbing Structure and car using the mechanism, the mechanism include energy-absorption box and for being securely fitted in car Buffer bar on bumper, extending along the longitudinal direction is equipped with friction buffer body in energy-absorption box, and the rear end of buffer bar, which is equipped with, rubs Buffer head is wiped, friction buffer body is equipped with the viscous motion hole that, supply friction buffer head corresponding with friction buffer is inserted back into, stagnant Dynamic hole is less than corresponding friction buffer head.The third is to absorb energy using the Incoercibility and viscous drag of fluid, Such as Chinese patent Authorization Notice No. are as follows: 106904217 A of CN, authorized announcement date are as follows: on 06 30th, 2016 patents of invention Impact protection apparatus before a kind of car is disclosed, which includes mounting bracket assembly, and outer barrel assembly, insertion are arranged in outer cylinder Inner cylinder, guide rod, the left part that outer cylinder assembly and inner cylinder are set inside body assembly and with the coaxial arrangement of outer barrel assembly Guide bracket assembly, insertion is arranged in the piston assembly inside inner cylinder and is arranged on the inside of the outer barrel right end and right part of inner cylinder Base assembly；The left part of the guide rod is connected on mounting bracket assembly, and right part sequentially passes through guide bracket assembly and piston is total The locking of Cheng Houyong locking nut.Wherein, the first structure application range is most wide, but existing patent structure is mostly by endergonic structure collection Middle design is mainly born impact load and is passed it to by the crossbeam of car in the crossbeam front end of traditional non-bearing car Entire body structure.However, for full-bearing type passenger train plan, without specially bearing the crossbeam structure of impact load, because This these structure can not be applied to very widely used today all-loading coach body structure well.

Summary of the invention

The utility model proposes that a kind of structure is simple, performance is steady according to the load transmission feature of all-loading coach structure Fixed, light weight, bus man crash protection structure that is high-efficient, can be used for whole carrying bassinet structure, when front occurs for car When with side collision, driver protecting structure can in a limited space efficient absorption collision energy, mitigate collision impact, effectively Driver safety is protected, solves the above-mentioned deficiency of existing car crash protection structure.

Technical solutions of the utility model are described with reference to the drawings as follows:

A kind of bus man crash protection structure, the structure are located at passenger car cab, are particularly located at passenger car cab Front end and arranged on left and right sides, which includes Tyco electronics amp kk 01, the front that is distributed in 01 front end of Tyco electronics amp kk is touched Hit driver protecting structure 02, the left side collision driver protecting structure 03 for being distributed in 01 left side of Tyco electronics amp kk and distribution Driver protecting structure 04 is collided on the right side on 01 right side of Tyco electronics amp kk；The head-on crash driver protecting structure 02 rear end and Tyco electronics amp kk 01 weld；Driver is collided on the left side collision driver protecting structure 03 and right side Structure 04 is protected to weld respectively with the left and right side of Tyco electronics amp kk 01.

The main structure 01 includes left side closed structure 011, right side closed structure 012, cap structure 013 and Undercarriage structure 014；The top and bottom of the left side closed structure 011, right side closed structure 012 respectively with cap structure 013, Undercarriage structure 014 left and right side welding；Left side closed structure 011, right side closed structure 012, cap structure 013 and the Undercarriage structure 014 is made of high-intensitive rectangular section thin-wall steel tube.The left side closed structure 011 include the first column of left-side 0111, The second column of left-side 0112, left-side third column 0113, left-side stringer 0114, left-side stringer 0115 and left-side Diagonal brace 0116；The left-side third column 0113, left-side stringer 0115 are all made of two parallel rectangular section thin-walleds Steel pipe；The front and rear ends of left-side stringer 0114 described in 8 respectively with the second column of left-side 0112 and left-side third The vertical connection by welding of column 0113；The front and rear ends of the left-side stringer 0115 respectively with left-side The upper end of one column 0111 and the vertical connection by welding of the second column of left-side 0112；The left-side diagonal brace 0116 lower end and the upper end of the first column of left-side 0111 are welded, the upper end of left-side diagonal brace 0116 and top cover first crossbeam The left end of 01306 left end welding, the lower end of first column of left-side and chassis front side beam 0145 is by welding Connection.The right side closed structure 012 includes the first column of right side wall 0121, the second column of right side wall 0122, right side wall third Column 0123, right side wall stringer 0124, right side wall stringer 0125 and right side wall diagonal brace 0126；First column of right side wall 0121, right side wall third column 0123, right side wall stringer 0125 are all made of two parallel rectangular section thin-wall steel tubes；8 institutes The front and rear ends for the right side wall stringer 0124 stated respectively with the second column of right side wall 0122 and right side wall third column 0123 Vertical connection by welding；The front end of the right side wall stringer 0125 and the upper end of the first column of right side wall 0121 are welded Connect, the rear end of right side wall stringer 0125 with the second column of right side wall 0122 is vertical by welding connect；The right side wall The upper/lower terminal of diagonal brace 0126 is welded with the upper end of the right end of top cover first crossbeam 01306 and the first column of right side wall 0121 respectively It connects, the lower end of first column of right side wall 0121 is connect with the right end of chassis front side beam 0145；The cap structure 013 It is made of upper layer and lower layer, specifically includes the first camber beam of top cover 01301, the second camber beam of top cover 01302, top cover third camber beam 01303, top cover diagonal brace 01304, top cover upper longitudinal beam 01305, top cover first crossbeam 01306, top cover second cross beam 01307, top cover Stringer 01310 forms under third crossbeam 01308, top cover lower-edge beam 01309, top cover；The upper layer of the cap structure 013 is by pushing up The first camber beam of lid 01301, the second camber beam of top cover 01302, top cover third camber beam 01303 and oblique positioned at four top covers between them Support 01304 is constituted；The top cover diagonal brace 01304 is equally spaced in the second camber beam of the first camber beam of top cover 01301 and top cover Between 01302, and the side that its front and rear ends passes through welding with the first camber beam of top cover 01301 and the second camber beam of top cover 01302 respectively Formula vertically connects；The angle of first camber beam, the 01301 place plane and lateral direction of car plane is 60 °；The top cover It is parallel with lateral direction of car plane and by between them etc. that two camber beams 01302 and top cover third camber beam 01303 constitute plane The vertical connection by welding of four longitudinally arranged top cover upper longitudinal beams 01305 of spacing distribution；The cap structure 013 lower layer is by stringer under top cover first crossbeam 01306, top cover second cross beam 01307, top cover third crossbeam 01308, top cover 01310 and top cover lower-edge beam 01309 form；Wherein the top cover first crossbeam 01306 and top cover second cross beam 01307 are logical Cross two top cover lower-edge beams 01309 welding being arranged symmetrically in succession；The top cover second cross beam 01307 and top cover third crossbeam 01308 by the vertical connection by welding of stringer 01310 under 6 top covers of equidistantly distributed；The cap structure 013 The upper and lower pass through respectively the first camber beam of top cover 01301, the second camber beam of top cover 01302, top cover third camber beam 01303 two End and the both ends of first crossbeam 01306, top cover second cross beam 01307, top cover third crossbeam 01308 connect by welding It connects；The top cover third camber beam 01303 and top cover third crossbeam 01308 is by two arranged parallel high-intensitive rectangular sections Thin-wall steel tube is constituted；The Undercarriage structure 014 includes stringer 0142, the left crossbeam of chassis under chassis upper longitudinal beam 0141, chassis 0143, side bar 0146 after the right crossbeam 0144 of chassis, chassis front side beam 0145 and chassis, wherein 0141 He of chassis upper longitudinal beam The high-intensitive rectangular section thin-wall steel tube that stringer 0142 is longitudinally equally spaced by four under chassis forms, the left crossbeam of chassis 0143 and the high-intensitive rectangular section thin-wall steel tube that is laterally equally spaced by eight upper layer and lower layer respectively of the right crossbeam 0144 of chassis Composition；The front and rear ends of stringer 0142 are by welding respectively and before chassis under the chassis upper longitudinal beam 0141 and chassis Side bar 0146 vertically connects after side bar 0145 and chassis；The left crossbeam 0143 of the chassis, the right crossbeam 0144 of chassis are equally spaced The stringer 0142 under between stringer 0142 and its both ends under chassis upper longitudinal beam 0141 and chassis and chassis upper longitudinal beam 0141 and chassis Vertical connection by welding.

The head-on crash driver protecting structure 02 includes head-on crash driver protecting minor structure 1, front Collide driver protecting minor structure 2 022, intermediate collision prevention girders 023 and connection column 024；Head-on crash driver protecting The left and right both ends of structure 1 respectively with the left-side stringer 0115 of Tyco electronics amp kk 01 and right side wall stringer 0125 Front end connects by welding, the left and right both ends of the intermediate collision prevention girders 023 left side with Tyco electronics amp kk 01 respectively The first column of side wall 0111 and the first column of right side wall 0121 connect by welding, the head-on crash driver protecting The rear end of minor structure 2 022 is connect by welding with the front end of stringer 0142 under chassis upper longitudinal beam 0141 and chassis；Institute It states head-on crash driver protecting minor structure 2 022 and intermediate collision prevention girders 023 is welded by two connection columns 024；Described Head-on crash driver protecting minor structure 1 includes preceding first collision prevention girders 0211, preceding first reinforcing beam 0212, preceding second reinforcement It is beam 0213, preceding third reinforcing beam 0214, preceding first attachment beam 0215, preceding second attachment beam 0216, preceding first energy-absorption box 0217, preceding Second energy-absorption box 0218 and preceding third energy-absorption box 0219；Preceding first collision prevention girders 0211 are arcuate structure, and both ends are with before The welding of first reinforcing beam, 0212 left and right ends；Before preceding first energy-absorption box 0217, preceding third energy-absorption box 0219 and three Two energy-absorption boxes 0218 are equally spaced between preceding first collision prevention girders 0211 and preceding first reinforcing beam 0212, and its front and back ends point It is welded with preceding first collision prevention girders 0211 and preceding first reinforcing beam 0212；Preceding second energy-absorption box 0218 described in three adds with preceding first The vertical connection by welding of brutal 0212；Preceding first energy-absorption box 0217 and preceding third energy-absorption box 0219 and vehicle The angle of longitudinal axis is 22 ° and coaxially arranged with preceding first attachment beam 0215 and preceding second attachment beam 0216 respectively；It is described The side that one end of preceding second reinforcing beam 0213 and preceding third reinforcing beam 0214 and the midpoint of preceding first reinforcing beam 0212 pass through welding Formula connection, the front and rear ends of preceding first attachment beam 0215 are logical with the first reinforcing beam 0212 and the second reinforcing beam 0213 respectively The mode for crossing welding connects, and the front and rear ends of preceding second attachment beam 0216 add with the first reinforcing beam 0212 and third respectively Brutal 0214 connects by welding；Preceding first reinforcing beam 0212 and preceding second reinforcing beam 0213, preceding first company 0215 form right angle triangle of beam is connect, wherein preceding first attachment beam 0215 is vertical with the second reinforcing beam 0213, preceding first adds The angle of brutal 0212 and preceding second reinforcing beam 0213 is 22 °；Preceding first reinforcing beam 0212 and preceding third reinforcing beam 0214, preceding second attachment beam, 0216 form right angle triangle, wherein preceding second attachment beam 0216 and third reinforcing beam 0214 Vertically, the angle of preceding first reinforcing beam 0212 and preceding third reinforcing beam 0214 is 22 °；Head-on crash driver protecting Structure 2 022 includes preceding second collision prevention girders 0221, before preceding third collision prevention girders 0222, four the before the 4th energy-absorption box 0223, four Five energy-absorption boxes 0224；The front and rear ends of preceding 4th energy-absorption box 0223 are respectively and on preceding second collision prevention girders 0221 and chassis Stringer 0141 connects by welding；The front and rear ends of preceding 5th energy-absorption box 0224 respectively with preceding third anticollision Stringer 0142 connects by welding under beam 0222 and chassis.

The left side collision driver protecting structure 03 includes the first collision prevention girders of left side 031, the second collision prevention girders of left side 032, two the first energy-absorption boxes 033 of left side and two the second energy-absorption boxes 034 of left side；First energy-absorption box of left side 033, left side It is welded respectively with the first collision prevention girders of left side 031 and the left crossbeam 0143 of chassis at the both ends of second energy-absorption box 034；The left side second It is welded respectively with the second collision prevention girders of left side 032 and the left crossbeam 0143 of chassis at the both ends of energy-absorption box 034.

The right side collision driver protecting structure 04 includes right side collision prevention girders 041 and two right side energy-absorption boxes 042；Institute It is welded respectively with right side collision prevention girders 041 and the right crossbeam 0144 of chassis at the both ends for the right side energy-absorption box 042 stated.

Preceding first collision prevention girders 0211, preceding second collision prevention girders 0221, intermediate collision prevention girders 023, the first collision prevention girders of left side 031, the second collision prevention girders of left side 032 and right side collision prevention girders 041 are made of ripple section thin-wall steel tube；Ripple section thin-walled Steel pipe includes corrugated plating 051, lower plate 052, backboard 053, partition 054 and upper plate 055；The corrugated plating 051, lower plate 052, back Plate 053, partition 054 and upper plate 055 are welded together after passing through punch forming；The corrugated plating 051 includes 4 big angle ripples 0511 and 3 small angle ripple 0512；The section of the big angle ripple 0511 is isosceles triangle, and apex angle is 120 °, and waist is a length of 10mm, the section of the small angle ripple 0512 are also isosceles triangle, and apex angle is 90 °, a length of 8mm of waist.

Preceding first energy-absorption box 0217, preceding second energy-absorption box 0218, preceding third energy-absorption box 0219, preceding 4th energy-absorption box 0223, preceding 5th energy-absorption box 0224, the first energy-absorption box of left side 033, the second energy-absorption box of left side 034, right side energy-absorption box 042 are by change Section thin-wall steel tube composition；The variable cross-section thin-wall steel tube whole design be it is trapezoidal, section be " stud " it is hollow or It fills out and sets other energy-absorbing materials；The variable cross-section thin-wall steel tube side surface is equipped with annular induction slot 061；The annular induction slot 061 is the circular arc of diameter 20mm, groove depth 5mm；The variable cross-section thin-wall steel tube upper and lower end is additionally provided with two " V-shaped " suctions It can slot 062；The angle of " V-shaped " the energy-absorbing slot 062 is 60 °.

The utility model has the following beneficial effects:

The characteristics of driver's crash protection structure has fully considered all-loading coach body structure in design and load The path of transmitting, by dispersing multi-faceted arrangement driver protecting structure, the Proper Match rigidity of structure and optimization energy-absorbing box structure, Realize anticollision and energy-absorbing develop simultaneously, energy-absorbing rate and energy-absorbing total amount synchronously control, to realize protection driver's collision safety comprehensively Purpose, specifically include the following aspects:

1, the driving crash protection structure fully considers the uncertainty of collision, is directed to head-on crash and left and right side respectively The special driver protecting device of face impingement designed, to realize more reliable driver protecting performance.

2, the driving crash protection structure has fully considered the asymmetry of cab structure and the position of driver, uses Left-right asymmetry driver protecting device, left side is since energy-absorbing space is limited, energy absorbing efficiency and car intrusion in order to balance Amount devises two sets of crash protection structures up and down, and right side is due to there is enough energy-absorbing spaces, so when designing endergonic structure It is main to consider that energy absorbing efficiency devises a set of crash protection structure.

3, driver's crash protection structure has fully considered that unitary body structure does not have the design feature of crossbeam, is setting Dispersed placement upper, middle and lower level protective devices when counting head-on crash driver protecting structure effectively absorb impact energy to realize Amount rationally transmits impact load.

4, driver's crash protection structure is when designing anticollision girder construction using the thin-walled with partition of wave cross section Steel-tube construction, and fully considered when designing corrugated plating the adaptability to different impact strengths, use two different waves Line structure effectively increases the stability and energy absorbing efficiency of the structure.

5, driver's crash protection structure when designing energy-absorption box using " day font " section thin-wall steel tube and Two " V-shaped " energy-absorbing slots are added in middle position, not only increase the energy absorbing efficiency of energy-absorption box, and improve stable structure Property；In addition, be designed to trapezoidal by energy-absorption box and be provided with annular induction slot on its surface, it is adapted to different impact strength, same The gradual energy-absorbing of Shi Shixian has taken into account energy absorbing efficiency, energy-absorbing rate and the energy-absorbing stability of energy-absorbing box structure well.

Detailed description of the invention

Fig. 1 is the decomposition chart of the utility model microbus driver crash protection structure；

Fig. 2 is the decomposition chart of the utility model microbus Tyco electronics amp kk；

Fig. 3 is the left-side structure chart of the utility model microbus Tyco electronics amp kk；

Fig. 4 is the right side wall structure chart of the utility model microbus Tyco electronics amp kk；

Fig. 5 is the cap structure figure of the utility model microbus Tyco electronics amp kk；

Fig. 6 is the Undercarriage structure figure of the utility model microbus Tyco electronics amp kk；

Fig. 7 is the utility model microbus head-on crash driver protecting structure figure；

Fig. 8 is one structure chart of the utility model microbus head-on crash driver protecting minor structure；

Fig. 9 is two structure chart of the utility model microbus head-on crash driver protecting minor structure；

Figure 10 is that driver protecting structure figure is collided in left side in the utility model；

Figure 11 is that driver protecting structure figure is collided on right side in the utility model；

Figure 12 is ripple section thin-wall steel tube structure chart in the utility model；

Figure 13 is sectional view at A-A in Figure 11；

Figure 14 is variable cross-section thin-wall steel tube structure chart in the utility model.

In figure: 01, Tyco electronics amp kk；02, head-on crash driver protecting structure；03, collision driver in left side protects Protection structure；04, driver protecting structure is collided on right side；011, left side closed structure；012, right side closed structure；013, cap structure； 014, Undercarriage structure；0111, the first column of left-side, 0112, the second column of left-side；0113, left-side third column； 0114, left-side stringer；0115, left-side stringer；0116, left-side diagonal brace；0121, the first column of right side wall；0122, right The second column of side wall；0123, right side wall third column；0124, right side wall stringer；0125, right side wall stringer；0126, right side Enclose diagonal brace；01301, the first camber beam of top cover；01302, the second camber beam of top cover；01303, top cover third camber beam；01304, top cover is oblique Support；01305, top cover upper longitudinal beam；01306, top cover first crossbeam；01307, top cover second cross beam；01308, top cover third crossbeam； 01309 top cover lower-edge beam；01310, stringer under top cover；0141, chassis upper longitudinal beam；0142, stringer under chassis；0143, chassis is left Crossbeam；0144, the right crossbeam of chassis；0145, chassis front side beam；0146, side bar after chassis；021, head-on crash driver protecting Structure one；022, head-on crash driver protecting minor structure two；023, intermediate collision prevention girders；024, column is connected；0211, preceding first Collision prevention girders；0212, preceding first reinforcing beam；0213, preceding second reinforcing beam；0214, preceding third reinforcing beam；0215, preceding first connection Beam；0216, preceding second attachment beam；0217, preceding first energy-absorption box；0218, preceding second energy-absorption box；0219, preceding third energy-absorption box； 0221, preceding second collision prevention girders；0222, preceding third collision prevention girders；0223, preceding 4th energy-absorption box；0224, preceding 5th energy-absorption box；031, The first collision prevention girders of left side；032, the second collision prevention girders of left side；033, the first energy-absorption box of left side；034, the second energy-absorption box of left side；041, Right side collision prevention girders；042, right side energy-absorption box；051, corrugated plating；052, lower plate；053, backboard；054, partition；055, upper plate； 0511, wide-angle ripple；0512, low-angle ripple；061, annular induction slot；062, " V-shaped " energy-absorbing slot.

Specific embodiment

Refering to fig. 1, a kind of car collides driver protecting structure, which includes that Tyco electronics amp kk 01, front are touched Driver protecting structure 02 is hit, driver protecting structure 03 is collided in left side and driver protecting structure 04 is collided on right side, wherein institute 02 rear end of head-on crash driver protecting structure stated is connect by welding with passenger car cab main structure 01, described Left side collision driver protecting structure 03 and right hand drive person protect structure 04 respectively with the left side of Tyco electronics amp kk 01 and Right side connects by welding.Bus man crash protection structure and the visitor with the structure designed by the present embodiment Vehicle driver's cabin is applicable to all-loading coach structure, wherein Tyco electronics amp kk specific size are as follows: long 1.48m, width 2.4m, height 3.5m。

Refering to Fig. 2-6, the Tyco electronics amp kk 01 includes left side closed structure 011, right side closed structure 012, top cover Structure 013 and Undercarriage structure 014, wherein the top and bottom of the left side closed structure 011, right side closed structure 012 respectively with Cap structure 013, Undercarriage structure 014 left and right side connect by welding, each component part by high-intensitive rectangle cut Face thin-wall steel tube is constituted, and can effectively increase the stiffness and strength of Tyco electronics amp kk, guarantees main part of cabin in collision process The intrusion volume of structure is minimum, so that the living space of driver be effectively ensured.The left side closed structure 011 includes left-side the One column 0111, the second column of left-side 0112, left-side third column 0113, left-side stringer 0114, left-side stringer 0115 and left-side diagonal brace 0116；The left-side third column 0113, left-side stringer 0115 are all made of parallel two Rectangular section thin-wall steel tube, to increase structural collision intensity；The front and rear ends of left-side stringer 0114 described in 8 are distinguished With the second column of left-side 0112 and left-side third column 0113 is vertical by welding connect；The left-side is vertical The front and rear ends of beam 0115 pass through welding with the upper end of the first column of left-side 0111 and the second column of left-side 0112 respectively Mode vertically connects；The lower end of the left-side diagonal brace 0116 and the upper end of the first column of left-side 0111 are welded, left-side The upper end of diagonal brace 0116 and the left end of top cover first crossbeam 01306 are welded；The right side closed structure 012 includes right side wall first Column 0121, the second column of right side wall 0122, right side wall third column 0123, right side wall stringer 0124, right side wall stringer 0125 and right side wall diagonal brace 0126；First column of right side wall 0121, right side wall third column 0123, right side wall stringer 0125 is all made of two parallel rectangular section thin-wall steel tubes, has been compensated for strong due to driving structure caused by right side opens up car door Spend asymmetry；The front and rear ends of right side wall stringer 0124 described in 8 respectively with the second column of right side wall 0122 and the right side The vertical connection by welding of side wall third column 0123；The front end of the right side wall stringer 0125 and right side wall first The upper end of column 0121 is welded, the rear end of right side wall stringer 0125 and the second column of right side wall 0122 are vertical by welding Connection；The upper end of the right side wall diagonal brace 0126 and the right end welding of top cover first crossbeam 01306, the first column of right side wall 0121 Lower end and the first column of right side wall 0121 upper end weld；The cap structure 013 is made of upper layer and lower layer, specifically includes top The first camber beam of lid 01301, the second camber beam of top cover 01302, top cover third camber beam 01303, top cover diagonal brace 01304, top cover upper longitudinal beam 01305, top cover first crossbeam 01306, top cover second cross beam 01307, top cover third crossbeam 01308, top cover lower-edge beam 01309, Stringer 01310 forms under top cover, and the beneficial effect designed in this way is can to guarantee to effectively increase driving when car rolls The intensity of room top structure guarantees bus man living space, in addition, the design can also effectively reduce driving to greatest extent The propagation of ceiling portion heat guarantees that cabin temperature is suitable for；The upper layer of the cap structure 013 by the first camber beam of top cover 01301, The second camber beam of top cover 01302, top cover third camber beam 01303 and positioned between them four top cover diagonal braces 01304 constitute, it is described Top cover diagonal brace 01304 is equally spaced between the first camber beam of top cover 01301 and the second camber beam of top cover 01302, and its is forward and backward Both ends respectively with the first camber beam of top cover 01301 and the second camber beam of top cover 01302 is vertical by welding connect, wherein described The angle of first camber beam, 01301 place plane and lateral direction of car plane is 60 °, second camber beam of top cover 01302 and top cover the Three camber beams 01303 pass through welding by four longitudinally arranged top cover upper longitudinal beams 01305 of the equidistantly distributed between them Mode vertically connect, the beneficial effect of this design is can to guarantee effectively to mitigate passenger car cab when car rolls The impact at top reduces the degree of injury of bus man；The lower layer of the cap structure 013 by top cover first crossbeam 01306, Stringer 01310 and top cover lower-edge beam 01309 form under top cover second cross beam 01307, top cover third crossbeam 01308, top cover, wherein The top cover first crossbeam 01306 and top cover second cross beam 01307 pass through two top cover lower-edge beams 01309 being arranged symmetrically and weld In succession, the top cover second cross beam 01307 is with top cover third crossbeam 01308 by stringer 01310 under 6 top covers of equidistantly distributed Vertical connection by welding；The upper and lower of the cap structure 013 pass through respectively the first camber beam of top cover 01301, The second camber beam of top cover 01302, the left and right both ends of top cover third camber beam 01303 and first crossbeam 01306, top cover second cross beam 01307, the left and right both ends of top cover third crossbeam 01308 connect by welding；01303 He of top cover third camber beam Top cover third crossbeam 01308 is made of the two high-intensitive rectangular section thin-wall steel tubes arranged parallel, to increase driver's cabin knot The crushing resistance of structure.The Undercarriage structure 014 include chassis upper longitudinal beam 0141, stringer 0142 under chassis, the left crossbeam 0143 of chassis, Side bar 0146 after the right crossbeam 0144 of chassis, chassis front side beam 0145 and chassis, wherein the chassis upper longitudinal beam 0141 and chassis The high-intensitive rectangular section thin-wall steel tube that lower stringer 0142 is longitudinally equally spaced by four forms, the left crossbeam 0143 of chassis It is made of respectively the upper layer and lower layer high intensity rectangular section thin-wall steel tube being laterally equally spaced with the right crossbeam 0144 of chassis；It is described Under chassis upper longitudinal beam 0141 and chassis the front and rear ends of stringer 0142 by welding respectively with chassis front side beam 0145 and Side bar 0146 vertically connects after chassis；The left crossbeam 0143 of the chassis, the right crossbeam 0144 of chassis are equally spaced to be indulged on chassis Between stringer 0142 and its both ends pass through welding with stringer 0142 under chassis upper longitudinal beam 0141 and chassis under beam 0141 and chassis Mode vertically connects.The utility model is by guaranteeing that the integrality of stringer 0142 and chassis are left under chassis upper longitudinal beam 0141, chassis Crossbeam 0143 and being uniformly distributed for the right crossbeam 0144 of chassis ensure that head-on crash and the fluency that side impact load is transmitted.This Using the rectangular section thin-wall steel tube of the high 50mm of sectional dimension, width 50mm, thickness 3mm in embodiment.

Refering to Fig. 7-Fig. 9, the head-on crash driver protecting structure 02 includes head-on crash driver protecting knot Structure 1, head-on crash driver protecting minor structure 2 022, intermediate collision prevention girders 023 and connection column 024, wherein described Head-on crash driver protecting minor structure 2 022 and intermediate collision prevention girders 023 are connected by connection column 024；The front is touched Hitting driver protecting minor structure 1 includes preceding first collision prevention girders 0211, preceding first reinforcing beam 0212, preceding second reinforcing beam 0213, preceding third reinforcing beam 0214, preceding first attachment beam 0215, preceding second attachment beam 0216, preceding first energy-absorption box 0217, preceding Two energy-absorption boxes 0218, preceding third energy-absorption box 0219, wherein preceding first collision prevention girders 0211 and preceding first reinforcing beam 0212 are left Right both ends connect by welding, preceding first energy-absorption box 0217, preceding second energy-absorption box 0218, preceding third energy-absorption box 0219 be equally spaced between preceding first collision prevention girders 0211 and preceding first reinforcing beam 0212 and with the first collision prevention girders 0211 and One reinforcing beam 0212 connects by welding, connects wherein preceding second energy-absorption box 0218 is vertical with preceding first reinforcing beam 0212 Connect, preceding first energy-absorption box 0217 and preceding third energy-absorption box 0219 and vehicle general axis constitute 22 ° of angles and with preceding first attachment beam 0215 and preceding second attachment beam 0216 it is coaxially arranged, can guarantee the fluency of impact load transmitting in this way, while increase structure Robustness；Preceding first reinforcing beam 0212 is connect with preceding second reinforcing beam 0213, preceding third reinforcing beam 0214, preceding first Beam 0215 and 0216 form right angle triangle △ OAB and △ OCD, ∠ AOB of preceding second attachment beam and ∠ COD are 22 °, are set in this way The friendship effect of meter be can guarantee occur head-on crash when before the first reinforcing beam have enough bending stiffnesses, while can will Impact load is transmitted to left side closed structure 011 and right side closed structure 012, realizes the reasonable distribution of load；The head-on crash Driver protecting minor structure 2 022 include preceding second collision prevention girders 0221, preceding third collision prevention girders 0222, preceding 4th energy-absorption box 0223, Preceding 5th energy-absorption box 0224, wherein the both ends of preceding 4th energy-absorption box 0223 respectively with preceding second collision prevention girders 0221 and bottom Frame upper longitudinal beam 0141 connects by welding, the both ends of preceding 4th energy-absorption box 0224 respectively with preceding third collision prevention girders 0222 and chassis under stringer 0142 connect by welding.In the present embodiment, the first reinforcing beam 0212, the second reinforcing beam 0213 and third reinforcing beam 0214 use the high-intensitive rectangular section thin-wall steel tube having a size of wide 50mm, high 60mm, thickness 3mm, it is preceding The length of first energy-absorption box 0217 and preceding third energy-absorption box 0219 is 140mm, and the length of preceding second energy-absorption box is 203m m, preceding the The average length of "four news" (new ideas energy box 0223 and preceding 5th energy-absorption box 0224 is 244mm.

Refering to fig. 10, the left side collision driver protecting structure 03 includes the first collision prevention girders of left side 031, left side second Collision prevention girders 032, the first energy-absorption box of left side 033, the second energy-absorption box of left side 034, wherein first energy-absorption box of left side 033, a left side The both ends of the second energy-absorption box of side 034 respectively with the first collision prevention girders of left side 031, the second collision prevention girders of left side 032 and the left crossbeam of chassis 0143 connects by welding.In the present embodiment, the length of the first energy-absorption box of left side 033 and the second energy-absorption box of left side 034 To be 236mm.

Refering to fig. 12, it includes right side collision prevention girders 041 and right side energy-absorption box 042 that the right hand drive person, which protects structure 04, The wherein side that the both ends of the right side energy-absorption box 042 pass through welding with right side collision prevention girders 041 and the right crossbeam 0144 of chassis respectively Formula connection.In the present embodiment, the length of right side energy-absorption box 042 is 276mm.

2 and Figure 13 refering to fig. 1, preceding first collision prevention girders 0211, preceding second collision prevention girders 0221, intermediate collision prevention girders 023, The first collision prevention girders of left side 031, the second collision prevention girders of left side 032 and right side collision prevention girders 041 are described by ripple section thin-wall steel tube Ripple section thin-wall steel tube includes corrugated plating 051, lower plate 052, backboard 053, partition 054 and upper plate 055, wherein the ripple Plate 051, lower plate 052, backboard 053, partition 054 and upper plate 055 are welded together after passing through punch forming；The corrugated plating 051 by 4 big angle ripples, 0511,3 small angle ripple 0512, and the section of the big angle ripple 0511 is isosceles triangle △ FGH, apex angle ∠ FGH are 120 °, and side FG is equal with GH, and the section of the small angle ripple 0512 is △ HIJ, and apex angle ∠ HIJ is 90 °, side HI is equal with IJ.The beneficial effect designed in this way is the thin-wall steel tube knot with partition by using wave cross section Structure, and fully considered when designing corrugated plating the adaptability to different impact strengths, two different ripple structions are used, The stability and energy absorbing efficiency of the structure are effectively increased, meanwhile, take into account energy absorption characteristics and punching of the structure in collision process Hit intensity.In the present embodiment, the length and axis shape of collision prevention girders determine that collision prevention girders use high strength steel according to specific location Material；Collision prevention girders backboard 053 with a thickness of 3mm, upper plate 055, partition 054 and lower plate 052 are 2mm steel plate, ripple using thickness Plate 051 is using the steel plate with a thickness of 2.5mm.

Refering to Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 14, preceding first energy-absorption box 0217, preceding second energy-absorption box 0218, Preceding third energy-absorption box 0219, preceding 4th energy-absorption box 0223, preceding 5th energy-absorption box 0224, the first energy-absorption box of left side 033, left side second Energy-absorption box 034, right side energy-absorption box 042 be made of variable cross-section thin-wall steel tube and its small end and big end respectively with corresponding collision prevention girders and Cab structure connects by welding, the variable cross-section thin-wall steel tube whole design be it is trapezoidal, section is " day word Shape " is hollow or fills out and sets other energy-absorbing materials, and energy-absorption box surface is equipped with annular induction slot 061, the annular induction slot 061 For the circular arc of diameter 20mm, groove depth 5mm is additionally provided with two " V to increase variable cross-section thin-wall steel tube 06 described in energy absorbing efficiency The angle of font " energy-absorbing slot 062, " V-shaped " the energy-absorbing slot 062 is 60 °, and the beneficial effect of the design is to guarantee that structure touches Collision energy is absorbed to greatest extent under the premise of hitting stable row, driver's cabin is passed to utmostly to reduce collision energy, to protect Protect driver safety.The thin-wall steel tube in " day font " section is used when designing energy-absorption box and adds two " V in middle position The energy-absorbing slot of font ", not only increases the energy absorbing efficiency of energy-absorption box, and improves structural stability；In addition, energy-absorption box is set It counts into trapezoidal and is provided with annular induction slot on its surface, be adapted to different impact strengths while realizing gradual energy-absorbing, very Energy absorbing efficiency, energy-absorbing rate and the energy-absorbing stability of energy-absorbing box structure have been taken into account well.In the present embodiment, all energy-absorption boxes it is big Hold size are as follows: wide 75mm, high 44mm, thickness 2mm, small end size are as follows: wide 40mm, high 23mm, thickness 2mm；Annular induction slot 061 is straight The circular arc of diameter 20mm, groove depth 5mm；The angle of " V-shaped " energy-absorbing slot 062 is 60 °.

Inventor devises a kind of car collision driver that can be used for 12 meters of all-loading coach according to more design method Structure and the driver's cabin with the structure are protected, and carries out collision simulation analysis to it, the utility model can as the result is shown for analysis Collision peak accelerator value is effectively reduced under conditions of driver's cabin intrusion volume in not increasing collision, to reduce collision process The damage of middle driver.

Claims (7)

1. a kind of bus man crash protection structure, which is located at passenger car cab, before being particularly located at passenger car cab End and the left and right sides, which is characterized in that the structure includes Tyco electronics amp kk (01), is distributed in Tyco electronics amp kk (01) Driver is collided in the head-on crash driver protecting structure (02) of front end, the left side being distributed on the left of Tyco electronics amp kk (01) Protection structure (03) and the right side being distributed on the right side of Tyco electronics amp kk (01) collision driver protecting structure (04)；Described The rear end and Tyco electronics amp kk (01) of head-on crash driver protecting structure (02) are welded；Collide driver in the left side Protect structure (03) and right side collision driver protecting structure (04) left and right side with Tyco electronics amp kk (01) respectively Welding.

2. a kind of bus man crash protection structure according to claim 1, which is characterized in that the main structure It (01) include left side closed structure (011), right side closed structure (012), cap structure (013) and Undercarriage structure (014)；The left side Side wall structure (011), right side closed structure (012) top and bottom respectively with cap structure (013), Undercarriage structure (014) Left and right side welding；Left side closed structure (011), right side closed structure (012), cap structure (013) and the Undercarriage structure (014) it is made of high-intensitive rectangular section thin-wall steel tube；The left side closed structure (011) includes the first column of left-side (0111), the second column of left-side (0112), left-side third column (0113), left-side stringer (0114), left-side are vertical Beam (0115) and left-side diagonal brace (0116)；The left-side third column (0113), left-side stringer (0115) are all made of Two parallel rectangular section thin-wall steel tubes；The both ends of left-side stringer (0114) described in 8 respectively with left-side third Column (0113) and the second column of left-side (0112) welding；One end of the left-side stringer (0115) and left-side second It welds the upper end of column (0112) welding, the other end and the first column of left-side (0111)；The left-side diagonal brace (0116) Lower end and the upper end of the first column of left-side (0111) weld, the upper end of left-side diagonal brace (0116) and cap structure (013) Welding；The right side closed structure (012) includes the first column of right side wall (0121), the second column of right side wall (0122), right side Enclose third column (0123), right side wall stringer (0124), right side wall stringer (0125) and right side wall diagonal brace (0126)；Described The first column of right side wall (0121), right side wall third column (0123), right side wall stringer (0125) are all made of two parallel squares Tee section thin-wall steel tube；The both ends of right side wall stringer (0124) described in 8 respectively with the second column of right side wall (0122) and Right side wall third column (0123) welding；One end of the right side wall stringer (0125) and the second column of right side wall (0122) weld It connects, the upper end of the other end and the first column of right side wall (0121) is welded；The lower end and right side of the right side wall diagonal brace (0126) The upper end welding of the first column (0121) is enclosed, the upper end and cap structure (013) of right side wall diagonal brace (0126) are welded；The top Lid structure (013) is made of upper layer and lower layer, specifically includes the first camber beam of top cover (01301), the second camber beam of top cover (01302), top Lid third camber beam (01303), top cover diagonal brace (01304), top cover upper longitudinal beam (01305), top cover first crossbeam (01306), top cover Stringer (01310) forms under second cross beam (01307), top cover third crossbeam (01308), top cover lower-edge beam (01309), top cover； The upper layer of the cap structure (013) is curved by the first camber beam of top cover (01301), the second camber beam of top cover (01302), top cover third Beam (01303) and positioned between them four top cover diagonal braces (01304) constitute；The top cover diagonal brace (01304) is equidistant Be arranged between the first camber beam of top cover (013010) and the second camber beam of top cover (01302), and its front and rear ends respectively with top cover First camber beam (01301) and the second camber beam of top cover (01302) vertical connection by welding；First camber beam (01301) angle of plane and lateral direction of car plane where is 60 °；Second camber beam of top cover (01302) and top cover third Camber beam (01303) constitutes four longitudinal cloth that plane is parallel with lateral direction of car plane and passes through the equidistantly distributed between them The top cover upper longitudinal beam (01305) set vertical connection by welding；The lower layer of the cap structure (013) is by top cover Stringer (01310) and top cover under one crossbeam (01306), top cover second cross beam (01307), top cover third crossbeam (01308), top cover Lower-edge beam (01309) composition；Wherein the top cover first crossbeam (01306) and top cover second cross beam (01307) pass through symmetrical Two top cover lower-edge beams (01309) welding of arrangement is in succession；The top cover second cross beam (01307) and top cover third crossbeam (01308) by the vertical connection by welding of stringer (01310) under 6 top covers of equidistantly distributed；The top cover knot It is curved that the upper and lower of structure (013) pass through the first camber beam of top cover (01301), the second camber beam of top cover (01302), top cover third respectively The both ends of beam (01303) and first crossbeam (01306), top cover second cross beam (01307), top cover third crossbeam (01308) two End connects by welding；The top cover third camber beam (01303) and top cover third crossbeam (01308) is by parallel cloth The high-intensitive rectangular section thin-wall steel tube of two set is constituted；The Undercarriage structure (014) includes chassis upper longitudinal beam (0141), bottom Side bar after stringer (0142), the left crossbeam of chassis (0143), the right crossbeam of chassis (0144), chassis front side beam (0145) and chassis under frame (0146)；Under the chassis upper longitudinal beam (0141) and chassis the front and back end of stringer (0142) respectively with chassis front side beam (0145) It is welded with side bar after chassis (0146)；The left and right ends and bottom of the left crossbeam of the chassis (0143), the right crossbeam of chassis (0144) Stringer (0142) welds under frame upper longitudinal beam (0141) and chassis.

3. a kind of bus man crash protection structure according to claim 2, which is characterized in that the head-on crash Driver protecting structure (02) includes head-on crash driver protecting minor structure one (021), head-on crash driver protecting knot Structure two (022), intermediate collision prevention girders (023) and connection column (024)；The head-on crash driver protecting minor structure one (021) left and right both ends respectively with the left-side stringer (0115) of Tyco electronics amp kk (01) and right side wall stringer (0125) Front end connect by welding；The left and right both ends of the intermediate collision prevention girders (023) respectively with Tyco electronics amp kk (01) the first column of left-side (0111) and the first column of right side wall (0121) connects by welding；The front The rear end for colliding driver protecting minor structure two (022) and the front end of stringer (0142) under chassis upper longitudinal beam (0141) and chassis are logical The mode for crossing welding connects；The head-on crash driver protecting minor structure two (022) and intermediate collision prevention girders (023) pass through two Root connects column (024) connection；The head-on crash driver protecting minor structure one (021) includes preceding first collision prevention girders (0211), preceding first reinforcing beam (0212), preceding second reinforcing beam (0213), preceding third reinforcing beam (0214), preceding first attachment beam (0215), preceding second attachment beam (0216), preceding first energy-absorption box (0217), preceding second energy-absorption box (0218) and preceding third energy-absorption box (0219)；Preceding first collision prevention girders (0211) are arcuate structure, both ends and preceding first reinforcing beam (0212) left and right ends Welding；Before preceding first energy-absorption box (0217), preceding third energy-absorption box (0219) and three between second energy-absorption box (0218) etc. Away from being arranged between preceding first collision prevention girders (0211) and preceding first reinforcing beam (0212), and with preceding first collision prevention girders (0211) and before First reinforcing beam (0212) welding；Preceding second energy-absorption box (0218) described in three is vertical with preceding first reinforcing beam (0212)；Institute The angle of preceding first energy-absorption box (0217) stated and preceding third energy-absorption box (0219) and longitudinal direction of car axis be 22 ° and respectively with it is preceding First attachment beam (0215) and preceding second attachment beam (0216) are coaxially arranged；

One end of preceding second reinforcing beam (0213) and preceding third reinforcing beam (0214) and preceding first reinforcing beam (0212) Midpoint connects by welding；The front and rear ends of preceding first attachment beam (0215) respectively with the first reinforcing beam (0212) it is connected by welding with the second reinforcing beam (0213)；Forward and backward the two of preceding second attachment beam (0216) End is connect with the first reinforcing beam (0212) and third reinforcing beam (0214) by welding respectively；Described preceding first is reinforced Beam (0212) and preceding second reinforcing beam (0213), preceding first attachment beam (0215) form right angle triangle, wherein described preceding the One attachment beam (0215) is vertical with the second reinforcing beam (0213), preceding first reinforcing beam (0212) and preceding second reinforcing beam (0213) Angle is 22 °；Preceding first reinforcing beam (0212) and preceding third reinforcing beam (0214), preceding second attachment beam (0216) are constituted Right angled triangle, wherein preceding second attachment beam (0216) is vertical with third reinforcing beam (0214), preceding first reinforcing beam It (0212) is 22 ° with the angle of preceding third reinforcing beam (0214)；Head-on crash driver protecting minor structure two (022) packet Include preceding second collision prevention girders (0221), preceding third collision prevention girders (0222), the 4th energy-absorption box (0223) before four, the 5th energy-absorbing before four Box (0224)；The both ends of preceding 4th energy-absorption box (0223) respectively with preceding second collision prevention girders (0221) and chassis upper longitudinal beam (0141) it welds；The both ends of preceding 5th energy-absorption box (0224) respectively with stringer under preceding third collision prevention girders (0222) and chassis (0142) it welds.

4. a kind of bus man crash protection structure according to claim 2, which is characterized in that the left side collision Driver protecting structure (03) includes the first collision prevention girders of left side (031), the second collision prevention girders of left side (032), two the first suctions of left side It can box (033) and two the second energy-absorption boxes of left side (034)；First energy-absorption box of left side (033), the second energy-absorption box of left side (034) it is welded respectively with the first collision prevention girders of left side (031) and the left crossbeam of chassis (0143) at both ends；Second energy-absorbing of left side It is welded respectively with the second collision prevention girders of left side (032) and the left crossbeam of chassis (0143) at the both ends of box (034).

5. a kind of bus man crash protection structure according to claim 2, which is characterized in that the right side collision Driver protecting structure (04) includes right side collision prevention girders (041) and two right side energy-absorption boxes (042)；The right side energy-absorption box (042) it is welded respectively with right side collision prevention girders (041) and the right crossbeam of chassis (0144) at both ends.

6. a kind of bus man crash protection structure according to claim 3, which is characterized in that described preceding first is anti- It is anti-to hit beam (0211), preceding second collision prevention girders (0221), intermediate collision prevention girders (023), the first collision prevention girders of left side (031), left side second It hits beam (032) and right side collision prevention girders (041) is made of ripple section thin-wall steel tube；Ripple section thin-wall steel tube includes wave Card (051), lower plate (052), backboard (053), partition (054) and upper plate (055)；The corrugated plating (051), lower plate (052), backboard (053), partition (054) and upper plate (055) after punch forming by being welded together；The corrugated plating It (051) include 4 big angle ripples (0511) and 3 small angle ripple (0512)；The section of the big angle ripple (0511) be etc. Lumbar triangle shape, apex angle are 120 °, a length of 10mm of waist, and the section of the small angle ripple (0512) is isosceles triangle, and apex angle is 90 °, a length of 8mm of waist.

7. a kind of bus man crash protection structure according to claim 3, which is characterized in that described preceding first inhales It can box (0217), preceding second energy-absorption box (0218), preceding third energy-absorption box (0219), preceding 4th energy-absorption box (0223), preceding 5th suction Energy box (0224), the first energy-absorption box of left side (033), the second energy-absorption box of left side (034), right side energy-absorption box (042) are by variable cross-section Thin-wall steel tube composition；The variable cross-section thin-wall steel tube whole design be it is trapezoidal, section is that " stud " is hollow or fill out and set Energy-absorbing material；The variable cross-section thin-wall steel tube side surface is equipped with annular induction slot (061)；Annular induction slot (061) For the circular arc of diameter 20mm, groove depth 5mm；The variable cross-section thin-wall steel tube upper and lower end is additionally provided with two " V-shaped " energy-absorbing slots (062)；The angle of " V-shaped " the energy-absorbing slot (062) is 60 °.