Background technology
The cargo loading mode of general purpose container is confined to an end, and platform or platform based container both can use the fork truck handling goods from the both sides of casing, also can be by crane from its top lifting goods.Because of platform or platform based container top and lateral space opening, it can transport the goods of be above standard container height and width.Particularly for the folding platform based container in end (abbreviation folding carton), because of its empty van transportation and parking space be corresponding size general general container 1/4 in addition littler, its empty van transports and to deposit cost very low.For reducing lifting number of times at harbour, further reduce hoisting cost, it often is designed to several casees that has identical or similar structures and can join extension mutually.Generally, it is very big that the load-carrying ability of platform or platform based container is designed, and therefore can transport some vehicles, engineering mechanical device etc.Based on above-mentioned advantage, platform or platform based container have obtained application more and more widely.
Please refer to Fig. 1 and Fig. 2, platform of the prior art or platform based container are provided with underframe loading platform 11, for preventing the side travel of goods, the general pitching pile device that some is installed in the both sides of described underframe loading platform 11, pitching pile device comprise the pitching pile 14 of restraint of loads and are arranged on the pitching pile groove of underframe loading platform 11 both sides.Described pitching pile groove comprises by underframe loading platform 11 upper edge breach and is positioned at the blind hole that the pole 15 in this breach outside is enclosed, and is positioned at described underframe loading platform 11 lower edges and by a U type channel-section steel 12 and be positioned at described U type channel-section steel 12 in-to-ins one angle steel 13 box of having enclosed.This box and this blind hole in the vertical direction align and have promptly constituted a pitching pile groove.When the needs restraint of loads, pitching pile 14 is inserted in the pitching pile groove of being made up of this blind hole and this box.Usually, the loading flat-bed both sides of platform or platform based container only are provided with some pitching pile grooves, be that pitching pile 14 is not the part of platform or platform based container casing, during if desired with the restraint of loads of pitching pile device, the user of casing needs oneself to make equipped pitching pile 14.
There is the problem of two aspects at least in this way, and the one, by pitching pile size and the intensity instability that user oneself makes, often do not carry out the experimental test and the intensity authentication of specialty, safety can not get guaranteeing; The 2nd, when pitching pile time spent not, pitching pile can not return and many abandoneds with casing usually, thereby has increased traffic cost.
The specific embodiment
In order to make technical matters to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Please refer to Fig. 3 to Fig. 6, be a preferred embodiment of the present invention, this platform based container comprises underframe loading platform 21 and is located at least one pitching pile device of described underframe loading platform 21 peripheries, described pitching pile device comprises the pitching pile groove that is located at described underframe loading platform 21 peripheries and the pitching pile 23 that can peg graft with described pitching pile groove, and described pitching pile 23 has the structure that articulates with described underframe loading platform 21.Because pitching pile 23 has the structure that articulates with described underframe loading platform 21, when needs are used for fixing goods with pitching pile 23, just it can be inserted in the pitching pile groove; And when pitching pile 23 does not use, can be with the periphery of its stored collapsed in underframe loading platform 21; In addition, because the pitching pile device is the part of casing, not only can abandoned, but also can produce by the maker of specialty and by test of correlation and authentication, not only save, also guaranteed safety.
Below above-mentioned each component part is described in detail respectively.
Described underframe loading platform 21 comprises two longerons 211, and many crossbeams 212 between two longerons 211.Wherein, the cross-sectional plane of described two longerons 211 all is I-shape, the inboard of described longeron 211 is in order to fixing described many crossbeams 212, the outside of described longeron 211 is in order to connect one or more pitching pile device, in the illustrated embodiment of the present invention, the outside of each longeron is respectively equipped with two pitching pile devices.Certainly, the front and back end of described underframe loading platform 21 can also be provided with the main beam (not shown) respectively, and can establish one or more pitching pile device in the outside of main beam.For realizing the pivot joint of pitching pile 23 and underframe loading platform 21, be provided with location structure 213 (seeing aftermentioned for details) in the outside of described longeron 211 vertical planes.
Described pitching pile device comprises pitching pile groove and the pitching pile 23 that can peg graft with described pitching pile groove.Described pitching pile groove comprises pitching pile mouth 241 that is positioned at described longeron 211 tops and the pitching pile box 242 that is positioned at described longeron 211 bottoms, and described pitching pile mouth 241 aligns with pitching pile box 242 in the vertical directions.In the present embodiment, described pitching pile mouth 241 is the T v notch v near described longeron 211 top edge.The described pitching pile 23 of small end in the vertical direction tolerable of described T v notch v passes through, and the spacing breach 243 of its big end both sides is in order to pitching pile 23 upper limit (seeing aftermentioned for details) in the horizontal direction.The angle steel 245 that described pitching pile box 242 is positioned at described U type channel-section steel open end by a U type channel-section steel 244 and surrounds and forms (please refer to Fig. 6), is perhaps formed (please refer to Fig. 7) by one section square tube 246.Like this, when needs are used for fixing goods with pitching pile 23, the middle part of pitching pile 23 is cooperated with described pitching pile mouth 241, and the lower end of pitching pile 23 is cooperated with described pitching pile box 242.In the present embodiment, the cross-sectional plane of described pitching pile mouth 241 and pitching pile box 242 all is square.Certainly, the cross-sectional plane of pitching pile mouth 241 and pitching pile box 242 also can be rounded, semicircle, rectangle or polygon etc.
The cross-sectional plane of described pitching pile 23 is square, so that adaptive with above-mentioned pitching pile mouth 241 and pitching pile box 242.When, rectangle rounded, semicircle or polygon etc., can correspondingly make cross-sectional plane circle, semicircle, rectangle or the polygon etc. that are pitching pile 23 when the cross-sectional plane of pitching pile mouth 241 and pitching pile box 242.
Corresponding described pitching pile mouth 241 positions of described pitching pile 23 in the vertical directions are provided with one section block 232 that cooperates with the spacing breach 243 of the big end of described T v notch v both sides, when block 232 cooperates with described spacing breach 243, pitching pile 23 displacement in the horizontal direction is promptly restrained, thereby reaches the purpose of restraint of loads.In the present embodiment, block 232 is two projections that are positioned at described pitching pile 23 both sides.Certainly, block 232 also can adopt two ends to stretch out pitching pile 23 both sides and by middle part and described pitching pile 23 bonded assembly projections 233 (please refer to Fig. 8).Block 232 also can adopt two cylindrical-shaped structures 234 (please refer to Fig. 9) that are positioned at described pitching pile 23 both sides.
For realizing articulating with the location structure 213 in the described longeron 211 vertical planes outside, described pitching pile 23 is provided with slotted hole 231, and the length direction of slotted hole 231 is consistent with the length direction of pitching pile 23, and its shape can be flat or rectangle.Location structure 213 is a clevis eye, and its cross-sectional plane is rounded, and at least one end of described clevis eye is captiveed joint with described underframe loading platform 21.When all captive joint with underframe loading platform 21 in the two ends of location structure 213, need earlier with its be arranged in the slotted hole 231, and then its two ends are welded on the underframe loading platform 21.Like this, when pitching pile 23 does not use, can be with the periphery of its stored collapsed in underframe loading platform 21, both because can abandoned and reduced cost, but also can produce by the maker of specialty and, thereby also guarantee safety by test of correlation and authentication.When location structure 213 has only an end to captive joint with underframe loading platform 21, can will should hold elder generation fixing, and then the other end of slotted hole 231 by location structure 213 was sheathed on the location structure 213 with 21 welding of underframe loading platform.Like this, when pitching pile 23 does not use, not only can be with the periphery of its stored collapsed in underframe loading platform 21, thereby the advantage when keeping above-mentioned two ends all to captive joint with underframe loading platform 21 with location structure 213, and suitable the time, also pitching pile 23 can be taken out from location structure 213, to reduce the weight of freight container.
For guarantee pitching pile 23 in folding process only to certain predetermined direction upset, be provided with a limiting stopper 214 in middle part one side of described clevis eye (location structure 213).Limiting stopper 214 adds that the width of location structure 213 must be greater than the width of slotted hole 231.
In order to make the pitching pile 23 can be more firm regularly after folding, described underframe loading platform 21 be provided with at least one supporter 215 that can carry out support limit to the pitching pile 23 that is in horizontality.Supporter 215 is an angle steel in the present embodiment, and its outside is provided with a upwardly extending hook part and breaks away from underframe loading platform 21 in order to prevent pitching pile 23.
The quantity of described pitching pile device can be a plurality of, when the pitching pile device that is positioned at described platform based container the same side or same end when being a plurality of, in order to prevent that the pitching pile 23 that is positioned at this side or this end from interfering with each other after folding, each location structure 213 has different height respectively with supporter 215, correspondingly, the bottom that all is positioned at described longeron 211 owing to the pitching pile box 242 in each pitching pile device has identical height, when each location structure 213 has different height respectively with supporter 215, in order to cooperate with described location structure 213, the slotted hole 231 on described each pitching pile 23 also needs to have different height (please refer to Fig. 4) on the pitching pile length direction.
Please in conjunction with reference Fig. 3 and Figure 10, when needs get up the pitching pile folding device, can upwards mention pitching pile 23 earlier, make the lower end of pitching pile 23 break away from pitching pile box 242, this moment, block 232 also skidded off from spacing breach 243; Then overturn pitching pile 23 to the approximate horizontal position to the casing lateral outer side around location structure 213; Then around location structure 213 to the side of underframe loading platform 21 upset pitching pile 23 because the position-limiting action of limiting stopper 214, pitching pile 23 can only overturn to predetermined direction on horizontal surface; At last pitching pile 23 is dropped on the supporter 215 safely.At this moment, be positioned structure 213 of pitching pile 23 1 ends is fixing, and the supporter 215 that opposite side is set on the underframe loading platform 21 is fixing, thereby pitching pile 23 stably is attached on the casing.
Please, when needs are opened the pitching pile device and erect, can lift the top of pitching pile 23 earlier slightly, make it break away from supporter 215 in conjunction with reference Fig. 4 and Figure 11; Then when pitching pile 23 was in the state of approximate horizontal, to casing outside upset pitching pile 23, because the position-limiting action of limiting stopper 214, pitching pile 23 stopped when turning to over against pitching pile mouth 241 on the horizontal surface around location structure 213; Promoting pitching pile 23 then makes it laterally turn to upright state around location structure 213 to casing; Lower end with pitching pile 23 inserts in pitching pile box 22 at last, makes block 232 slip into spacing breach 243 simultaneously.At this moment, pitching pile 23 can bear the pressure towards the casing outside that is applied by goods under the constraint of the pitching pile groove that pitching pile box 242 and pitching pile mouth 241 are formed, thereby realizes fixing to goods.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.