Summary of the invention
In view of this, the utility model is intended to propose a kind of energy absorption device, and solve energy absorption device structural arrangement in prior art unreasonable, energy-absorbing effect is not good, the good safety precaution object of out of reach.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of energy absorption device, comprises framework and is coated on the shell outside framework; Be mounted to energy-absorbing unit retainer by several support combination in described framework, this energy-absorbing unit retainer is provided with some energy-absorbing unit and some energy-absorbing unit alternative module.
Further, described shell is all provided with the breach for loading and transporting on relative two sides.
Further, described energy-absorbing unit comprises the energy-absorbing assembly installed in housing and housing; The liner for fixing described energy-absorbing assembly is provided with between described energy-absorbing assembly and described housing.
Further, described energy-absorbing assembly comprises cylindric energy absorbing tube and the resistance to compression cap of taper; Described resistance to compression cap is hollow structure, and its each is equipped with protective layer, and the large one end end face of resistance to compression cap external diameter is plane; Described energy absorbing tube outside face is the conical surface; Described energy absorbing tube thin-walled end is inserted in one end that described resistance to compression cap external diameter is little.
Further, described energy absorbing tube adopts aluminum magnesium alloy to make, and described resistance to compression cap adopts Q235 steel or Q236 steel to make.
Further, the taper value of described resistance to compression cap is 75 ± 5 °.
Further, described energy-absorbing unit in the vertical direction arranges three rows, and often the energy-absorbing unit cross section of neighbouring two rows is isosceles triangle shape.
Further, often described energy-absorbing unit alternative module is equipped with between the upper two adjacent described energy-absorbing unit of row.
Further, described strut member comprises stay bearing plate that crossbeam and this crossbeam lower end arrange at equal intervals and crossbeam lower end and is arranged at long separator of battery plates between every two stay bearing plates; Described long separator of battery plates is equal with the stay bearing plate spacing of its both sides; One end of described crossbeam is provided with docking section, and described long separator of battery plates is stretched out in this docking section; In described crossbeam upper end, long separator of battery plates described in corresponding every block and often stay bearing plate described in block are all provided with short separator of battery plates.
Further, described stay bearing plate is perpendicular to described crossbeam; Described short separator of battery plates and described long separator of battery plates are all perpendicular to described crossbeam, and described in every block, long separator of battery plates described short separator of battery plates corresponding thereto is all in same plane.
Relative to prior art, a kind of energy absorption device described in the utility model has following advantage:
1) reasonable in design, processing, assembling are simply, meanwhile, integral energy-absorbing is effective, and shell is used for forming protection to each assembly of inside, framework is mounted to energy-absorbing unit retainer for fixing by several support combination, energy absorbing tube in energy-absorbing assembly can damage prior to resistance to compression cap when being hit, and energy absorbing tube carries out crumple according to predetermined crumple mode, guarantee the energy-absorbing buffering effect of energy absorption device, effectively ensure vehicle safety.
2) strut member is very convenient when installing energy-absorbing unit, under stay bearing plate, length separator of battery plates, crossbeam are simultaneously fixing, energy-absorbing unit good fixing effect, strut member not easily produces distortion, and keep the constant gap of each energy-absorbing unit, the energy-absorbing effect of the best during to reach collision.
3) energy absorbing tube in energy-absorbing assembly adopts aluminum magnesium alloy to make, and lightweight, actv. alleviates the weight of vehicle anti-collision equipment.Energy-absorbing assembly itself has certain structural strength to resist slight impact, and when reaching a threshold value when it by external impacts, crumple that can be stable.Resistance to compression cap intensity is wherein greater than energy absorbing tube, and therefore, when being impacted, resistance to compression cap can extrude energy absorbing tube, makes energy absorbing tube prior to the distortion of resistance to compression cap, ensures the energy-absorbing buffering effect of energy absorption device.
4) energy-absorbing unit retainer is provided with some energy-absorbing unit alternative module, according to actual needs, the energy-absorbing unit alternative module of relevant position can be dismantled, increase energy-absorbing unit, to arrive required energy-absorbing buffering effect.Or, can energy-absorbing unit be taken out, then lay energy-absorbing unit alternative module in vacant locations, ensure the overall construction intensity of energy-absorbing unit retainer.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " etc. only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, one or more these features can be expressed or impliedly be comprised to the feature being limited with " first ", " second " etc.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood by particular case.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
A kind of energy absorption device, as shown in Fig. 1 to 8, comprises framework 1 and is coated on the shell 2 outside framework 1; Be mounted to energy-absorbing unit retainer 4 by several strut member 3 combination in described framework 1, this energy-absorbing unit retainer 4 is provided with some energy-absorbing unit 5 and some energy-absorbing unit alternative module 6.
The energy-absorbing unit alternative module that energy-absorbing unit retainer is installed does not lay the vacancy of energy-absorbing unit 5 in order to fill.It is pointed out that and according to actual needs, the energy-absorbing unit alternative module 6 of relevant position can be dismantled, increase energy-absorbing unit 5, to arrive required energy-absorbing buffering effect.Or, several energy-absorbing unit 5 can be taken out, then lay energy-absorbing unit alternative module 6 in corresponding vacant locations, ensure the overall construction intensity of energy-absorbing unit retainer 4, guarantee that each block construction of overall package is firm.
Wherein, described shell 2 is all provided with the breach 7 for loading and transporting on relative two sides, can convenient for assembly and special time standby lifting rope or miscellaneous equipment move, also can handled easily workers carry.
Wherein, described energy-absorbing unit 5 comprises the energy-absorbing assembly 9 installed in housing 8 and housing; The liner 10 for fixing described energy-absorbing assembly 9 is provided with between described energy-absorbing assembly 9 and described housing 8.
It is pointed out that energy-absorbing unit 5 can be made cross section is foursquare shape, be beneficial to the convenience that it is installed, like this, height is consistent with width, without the need to too much adjustment, can easily be installed into energy-absorbing unit retainer.Thus, below the height of short separator of battery plates mentioned can be the half of long separator of battery plates height, long separator of battery plates height is consistent with the height of energy-absorbing unit, like this, after the short separator of battery plates docking of upper and lower two strut members, its whole height just in time can hold energy-absorbing unit, and anticollision gear assembling is very convenient.
Wherein, described energy-absorbing assembly 9 comprises cylindric energy absorbing tube 11 and the resistance to compression cap 12 of taper; Described resistance to compression cap 12 is hollow structure, and its each is equipped with protective layer, and the large one end end face of resistance to compression cap 12 external diameter is plane; Described energy absorbing tube 11 outside face is the conical surface; The thin-walled end of described energy absorbing tube 11 is inserted in one end that described resistance to compression cap 12 external diameter is little.
Described protective layer is preferably the nickel alloy layer of zinc coating or built-up welding.Effectively can prevent resistance to compression cap 12 from getting rusty, and increase the friction coefficient on resistance to compression cap 12 surface, to guarantee that this resistance to compression cap 12 is in collision process, carries out actv. compression to energy absorbing tube 11.
Wherein, described energy absorbing tube 11 adopts aluminum magnesium alloy to make, and described resistance to compression cap 12 adopts Q235 steel or Q236 steel to make.Energy absorbing tube 11 in energy-absorbing assembly 9 adopts aluminum magnesium alloy to make, lightweight, and actv. alleviates the weight of vehicle anti-collision equipment.Energy-absorbing assembly 9 itself has certain structural strength to resist slight impact, and when reaching a threshold value when it by external impacts, crumple that can be stable.Resistance to compression cap intensity is wherein greater than energy absorbing tube, and therefore, when being impacted, resistance to compression cap 12 can extrude energy absorbing tube 11, and energy absorbing tube 11 is out of shape prior to resistance to compression cap 12, ensures the energy-absorbing buffering effect of energy absorption device entirety.
Wherein, the taper value of described resistance to compression cap 12 is 75 ± 5 °.This taper value is in collision process, best to energy absorbing tube force, the crumple of energy absorbing tube 11 is carried out according to predetermined mode, fully can absorb the energy that collision produces, reduce the infringement that collision impact brings.
Separately be pointed out that, the wall thickness of described resistance to compression cap 12 is 3-4.5mm, reduces the wall thickness of resistance to compression cap 12 so as far as possible, is guaranteeing under the Structural strength calls prerequisite in whole energy-absorbing equipment, can not be too much gain in weight, to ensure anticollision integral device quality in the reasonable scope.
Energy absorbing tube 11 adopts cylindric structure, compared with adopting the structure of the shapes such as such as rectangle, its structural stability is good, more can meet the requirement of crumple during collision, energy absorbing tube 11 is by the thin-walled end contacted with resistance to compression cap 12, gradually to the crumple of heavy wall end, the crumple of energy absorbing tube 11 can be made to carry out according to designing requirement in advance, make the absorption of collision energy and buffering all in controlled scope.
Adopt cone shape resistance to compression cap 12, compared with adopting the structure of the shapes such as such as rectangle, its structural stability is good, the compression requirement to energy absorbing tube 11 when more can meet collision.
When being hit, energy absorbing tube 11 can carry out crumple prior to resistance to compression cap 12 according to the mode designed in advance, guarantees the energy-absorbing buffering effect of energy absorption device, effectively ensures vehicle safety.
Wherein, described energy-absorbing unit 5 in the vertical direction arranges three rows, and often energy-absorbing unit 5 cross sections of neighbouring two rows be isosceles triangle shape, is equipped with described energy-absorbing unit alternative module 6 often arranging between two adjacent described energy-absorbing unit 5.Reasonable structural arrangement, such structure design, effectively reduces the length of single energy-absorbing unit, and then also makes the length of integral device reduce.Under the prerequisite meeting buffering energy-absorbing effect, effectively reduce length and the volume of collision prevention of vehicle Whole Equipment, little on the turn radius impact of vehicle, do not hinder vehicle normal driving.
Wherein, described strut member 3 comprises stay bearing plate 14 that crossbeam 13 and this crossbeam 13 lower end arrange at equal intervals and crossbeam 13 lower end and is arranged at long separator of battery plates 15 between every two stay bearing plates 14; Described long separator of battery plates 15 is equal with stay bearing plate 14 spacing of its both sides; One end of described crossbeam 13 is provided with docking section 16, and described long separator of battery plates 15 is stretched out in this docking section 16, and in described crossbeam 13 upper end, long separator of battery plates 15 described in corresponding every block and often stay bearing plate 14 described in block are all provided with short separator of battery plates 17.Concrete, the length that described long separator of battery plates 15 is stretched out in docking section 16 is the half of adjacent two short separator of battery plates 17 spacing; This strut member 3 assemble use time, adjacent two strut members 3 in left and right utilize docking section 16 to be docking together, and when the stay bearing plate 14 of outermost end may be used for being placed in framework 1 on these two strut members 3, offset, ensure fixed with framework 1.In the height direction, the mutual correspondence of short separator of battery plates 17 of two neighbouring strut members 3 is docking together, and can lay one group of energy-absorbing unit about two groups between the short separator of battery plates 17 docked.
Strut member 3 is very convenient when installing energy-absorbing unit, under stay bearing plate 14, length separator of battery plates, crossbeam 13 are simultaneously fixing, energy-absorbing unit 5 good fixing effect, strut member 3 not easily produces distortion, and keep the constant gap of each energy-absorbing unit 5, the energy-absorbing effect of the best during to reach collision.
Wherein, described stay bearing plate 14 is perpendicular to described crossbeam 13; Described short separator of battery plates 17 and described long separator of battery plates 15 are all perpendicular to described crossbeam 13, and described in every block, long separator of battery plates described short separator of battery plates corresponding thereto is all in same plane.It should be noted that, distance between every two each short separator of battery platess 17 is all equal, long separator of battery plates 15 is also all equal with the spacing of two adjacent stay bearing plates 14, like this, energy-absorbing unit can be placed between any two short separator of battery platess or between long separator of battery plates and stay bearing plate, provide convenience for when assembling anticollision gear, structural arrangement is flexible.
Described stay bearing plate 14 is perpendicular to described crossbeam 13, mainly in order to ensure that energy-absorbing unit is laid conveniently, fixing firm.Usually, described stay bearing plate width is the beam width of 2 ~ 3 times, to ensure stabilized structure, further, when the assembling of this strut member uses, stay bearing plate can also be located as with the stay bearing plate in another adjacent supporting piece in the direction of the width, guarantee that spacing is reasonable, not easily play.
In order to make strut member 3 stabilized structure reliable, strut member 3 is preferably integrated formed structure, like this, when installing energy-absorbing unit 5, keep and fixation good, not easily produce distortion.
The utility model reasonable in design, processing, assembling are simply, meanwhile, integral energy-absorbing is effective, and shell 2 is for forming protection to each assembly of inside, framework 1 is mounted to energy-absorbing unit retainer 4 for fixing by several strut member 3 combination, energy absorbing tube 11 in energy-absorbing assembly 9 can damage prior to resistance to compression cap 12 when being hit, and energy absorbing tube 11 carries out crumple according to predetermined crumple mode, guarantee the energy-absorbing buffering effect of energy absorption device, effectively ensure vehicle safety.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.