The axletree of high-mechanic semitrailer or special transport vehicle
Technical field
The present invention relates to the axletree of a kind of high-mechanic semitrailer or special transport vehicle, belong to the carrier part field.
Background technology
The axletree that common transport trolley is used, employing be axletree and BF ways of connecting.Axletree all around direction is not swung, and mainly leans on the impact load of elastic buffer up and down of steel spring.Common axletree can only use 3 axles at most, if adopt 4 axles, just must have one is steering shaft, just can make vehicle in smooth turning, and the carrying tonnage is at most 60 tons.Some big engineering construction transportation just need be looked in addition and can be carried the large-tonnage vehicular transport like this.
Summary of the invention
The present invention overcomes the deficiencies in the prior art and provides a kind of axletree can to swing in vehicle ' all around, buffering is uneven to the impact of vehicle and axletree owing to ground-surface, mechanical suspension parts such as steel spring have been saved, simple and compact for structure, be easy to the high-mechanic semitrailer of Assembly ﹠Disassembly maintenance or the axletree of special transport vehicle.
In order to achieve the above object, the present invention realizes like this, it is the axletree that a kind of high-mechanic semitrailer or special transport vehicle are used, comprise front axle assembly, the fixing forward horizontal stand beam of front axle assembly, back axle assembly, the fixing back balance beam of back axle assembly, the intermediate axle assembly between front axle assembly, back axle assembly more than one and the fixing intermediate equilibria beam of intermediate axle assembly; Also comprise front frame, after poppet and the central support more than; It is characterized in that: described front frame is a shape, also comprises the preceding attaching parts that can rotate that is located in the front frame, and an end of forward horizontal stand beam and preceding attaching parts are rotationally connected and axial location; First central support is a shape, also comprise first balance oscillating arm that is rotationally connected with first central support, be located at first and second attaching parts that can rotate in the first balance oscillating arm two ends respectively, the other end of forward horizontal stand beam and first attaching parts are rotationally connected, and an end of intermediate equilibria beam and second attaching parts are rotationally connected and axial location; Second central support is a shape, also comprise second balance oscillating arm that is rotationally connected with second central support, be located at third and fourth attaching parts that can rotate in the second balance oscillating arm two ends respectively, the other end of intermediate equilibria beam and the 3rd attaching parts are rotationally connected, and an end of back balance beam and the 4th attaching parts are rotationally connected and axial location; After poppet is a shape, also comprises the rear connectors that can rotate that is located in the after poppet, and the other end and the rear connectors of back balance beam are rotationally connected.
Attaching parts comprises preceding cross bore rotor, preceding cross bore rotor is fixed on the preceding pin of two in the front frame, preceding latch and preceding nut before described, is provided with cross through hole on preceding cross bore rotor; One end of described forward horizontal stand beam is provided with the cylinder of convex shape, the cross through hole of cross bore rotor before this cylinder passes, and preceding nut sleeve is located at the convex position of cylinder front end and locatees by preceding latch; Described first attaching parts comprises the first cross bore rotor, the first cross bore rotor is fixed on the preceding left pin of two in first balance oscillating arm, on the first cross bore rotor, be provided with cross through hole, the other end of forward horizontal stand beam is provided with cylinder, and cylinder inserts in the cross through hole; Described second attaching parts is identical with the structure of preceding attaching parts, and the structure of intermediate equilibria beam is identical with the structure of forward horizontal stand beam, and the 3rd attaching parts is identical with the structure of first attaching parts, and the structure of the 4th attaching parts is identical with the structure of second attaching parts; Rear connectors is identical with the structure of first attaching parts, and the back balance beam is identical with the structure of forward horizontal stand beam.In order to improve the load-carrying capacity of vehicle, the in-use performance of support vehicles at the little limitation of present common axletree carrying tonnage, is designed and developed three on this kind line.
The present invention's advantage compared with prior art is, transport trolley can be joined six axles and at least 24 tires of configuration at least, and the carrying rated tonnage is the 100-150 ton.Support and the welding of vehicle crossbeam before, during and after utilizing on the structure, axle unit and preceding, middle back balance beam are welded on one, consider vehicle ' ground-surface complexity simultaneously, courageously adopt the principle of rigidity suspension, the assurance axletree can all around be swung in vehicle ', and buffering is uneven to the impact of vehicle and axle unit owing to ground-surface.Saved mechanical suspension parts such as steel spring, simple and compact for structure, be easy to the Assembly ﹠Disassembly maintenance.Solved large-tonnage vehicle borne problem, simultaneously tire increases, and the pressure of road pavement reduces, favourable protection highway.
Description of drawings
Fig. 1 is a block diagram of the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the birds-eye view of Fig. 1;
Fig. 4 is a partial exploded view of the present invention;
Fig. 5 is the M-M cross sectional drawing among Fig. 3;
Fig. 6 is the N-N cross sectional drawing among Fig. 3;
Fig. 7 is the S-S cross sectional drawing among Fig. 2;
Fig. 8 is the P-P cross sectional drawing among Fig. 2.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is done further detailed description:
Shown in Fig. 1 to 8, it is the axletree that a kind of high-mechanic semitrailer or special transport vehicle are used, comprise front axle assembly 11, the fixing forward horizontal stand beam 14 of front axle assembly, back axle assembly 3, the fixing back balance beam of the back axle assembly intermediate axle assembly between front axle assembly, back axle assembly 7 and the fixing intermediate equilibria beam 18 of intermediate axle assembly more than 4; Also comprise front frame 12, after poppet 1 and the central support more than 5,9; During use, front frame, after poppet and central support are weldingly fixed on the crossbeam of vehicle; Characteristics of the present utility model are: front frame 12 is a shape, also comprise the preceding attaching parts that can rotate that is located in the front frame, one end of forward horizontal stand beam 14 and preceding attaching parts are rotationally connected and axial location, thereby the forward horizontal stand beam is positioned between front frame and the central support 9; First central support 9 is a shape, also comprise first balance oscillating arm 8 that is rotationally connected with first central support, in the present embodiment, first central support and first balance oscillating arm are rotationally connected by the first middle bearing pin 16, be located at first and second attaching parts that can rotate in the first balance oscillating arm two ends respectively, the other end of forward horizontal stand beam and first attaching parts are rotationally connected, one end of intermediate equilibria beam 18 and second attaching parts are rotationally connected and axial location, thereby the intermediate equilibria beam is positioned between two central supports; Second central support 5 is a shape, also comprise second balance oscillating arm 19 that is rotationally connected with second central support, in the present embodiment, second central support and second balance oscillating arm are rotationally connected by the second middle bearing pin 6, be located at third and fourth attaching parts that can rotate in the second balance oscillating arm two ends respectively, the other end of intermediate equilibria beam and the 3rd attaching parts are rotationally connected, one end of back balance beam 4 and the 4th attaching parts are rotationally connected and axial location, thereby the back balance beam is positioned between central support 5 and the after poppet 1; After poppet is a shape, also comprises the rear connectors that can rotate that is located in the after poppet, and the other end and the rear connectors of back balance beam are rotationally connected.During use and since forward horizontal stand beam 14 relative to before attaching parts and first attaching parts can rotate, and first balance oscillating arm 8 can drive first and second attaching parts and swing up and down, so front axle assembly 11 can the automatically regulating upper-lower position, to adapt to the road surface of injustice of the high end; In equalizing bar 18 can rotate relative to second attaching parts and the 3rd attaching parts, second balance oscillating arm 19 can drive the 3rd attaching parts and swing up and down, so countershaft assembly 7 can the automatically regulating upper-lower position, to adapt to the road surface of injustice of the high end; In like manner, hind axle assembly 3 can the automatically regulating upper-lower position, to adapt to the road surface of injustice of the high end.
In the present embodiment, as shown in Figure 4, before attaching parts comprise before cross bore rotor 25, with preceding cross bore rotor be fixed on bearing pins 13 before two in the front frame 12, preceding latches 22 and before nut 23, level is provided with cross through hole 251 and longitudinal hole 252 on preceding cross bore rotor; One end of forward horizontal stand beam 14 is provided with the cylinder 142 of convex shape, the cross through hole of cross bore rotor before this cylinder passes, preceding nut sleeve is located at the convex position of cylinder front end and locatees by preceding latch, the forward horizontal stand beam can rotate and locate relative to preceding cross bore rotor like this, also is provided with elastomeric pad 24 between preceding nut and preceding cross bore rotor; What the cross bore rotor rotated before two preceding slotting axles 13 were inserted in respectively and make in the longitudinal hole is located on the front frame 12, and two preceding slotting axles are fixed on the front frame by fastener.First attaching parts comprises the first cross bore rotor 26, the first cross bore rotor is fixed on two first balance oscillating arm bearing pins 15 in first balance oscillating arm 8, level is provided with cross through hole 261 and longitudinal hole 261 on the first cross bore rotor, the other end of forward horizontal stand beam is provided with cylinder 141, and cylinder inserts in the cross through hole; Two first balance oscillating arm bearing pins are inserted in respectively and make being located on first balance oscillating arm 8 that the first cross bore rotor rotates in the longitudinal hole 261, and two first balance oscillating arm bearing pins are fixed on first balance oscillating arm by fastener.Second attaching parts comprises parts such as the second cross bore rotor, its structure is identical with the structure of preceding attaching parts, second attaching parts is identical with first attaching parts with the fixed form of first balance oscillating arm, the structure of intermediate equilibria beam 18 is identical with the structure of forward horizontal stand beam, no longer repeat at this, the intermediate equilibria beam and second attaching parts are rotationally connected and axial location; The 3rd attaching parts is identical with the structure of first attaching parts, and the fixed form of third and fourth attaching parts and second balance oscillating arm is identical with the fixed form of first attaching parts and first balance oscillating arm, and the other end of intermediate equilibria beam and the 3rd attaching parts are rotationally connected; The structure of the 4th attaching parts is identical with the structure of second attaching parts.Rear connectors is identical with the structure of first attaching parts, the fixed phase of the fixed form of rear connectors and after poppet and preceding attaching parts and front frame together, back balance beam 4 is identical with the structure of forward horizontal stand beam, one end of back balance beam and the 4th attaching parts are rotationally connected and axial location, and the other end and rear connectors are rotationally connected.