The specific embodiment

Below by embodiment, the present invention is specifically described; the present embodiment is only for being further detailed the present invention; but can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art makes according to the content of the invention described above and adjustment also belong to the scope of protection of the invention.

In conjunction with Fig. 1 to Figure 10.

Quick lorry radial steering, comprise wheel shaft composition 1, framework 2, bolster 4, brake equipment 5, central mounting device 9, radial device 6 and be arranged at the side bearing apparatus 7 on bolster 4, also comprise axle box hanging device 3, framework 2 is placed in wheel shaft by axle box hanging device 3 and forms on 1, and described bolster 4 two ends are laid and are fixed on framework 2 middle parts by central mounting device 9 respectively.

Central mounting device 9 consists of two groups of elastic elements, and every group of elastic element adopts two ends rubber 18 and middle part steel spring 19 cascaded structures.

Axle box hanging device 3 comprises and forms wheel shaft and form 1 axletree and coordinates the journal box body 14 connecting, the rubber spring 15 of journal box body 14 both sides, the vertical damper mount pad 16 on journal box body 14 tops and the radial device mount pad of bottom 17 compositions.

Radial device 6 forms by being positioned at bolster 4 lower planes two pipe links 20 arranged in a crossed manner, and two ends of every pipe link 20 and radial device mount pad 17 are hinged by ball pivot 21.

Framework 2 is connected with axle box hanging device 3 by rubber spring 15; The vertical damper mount pad 16 on described journal box body 14 tops is connected by Vertical Vibration Reduction device 11 with framework 2 curb girders 22.

Framework 2 consists of with the crossbeam 23 that be arranged, is connected two groups of curb girders 22 in parallel two groups of curb girders 22, and curb girder 22 outsides, middle part have peace to send out the cushion cap 24 of central mounting device 9.

Brake equipment 5 is disc brake apparatus, comprises four group systems that mate with four wheels respectively, and every group system comprises the brake clamp device that is arranged at crossbeam 23 and the brake disc arrangement that is arranged at axletree.

On the curb girder 22 of framework 2 one sides, be provided with empty and load brake equipment 8.

Every crossbeam 23 two ends, middle part are respectively arranged with longitudinal towing mechanism 10 and the lateral vibration absorbing device 12 connecting with bolster 4.

The axletree end of wheel shaft composition 1 is provided with anti-skid device 13.

As shown in Figure 1, Fig. 1 is steering frame solid structural representation of the present invention.Bogie truck of the present invention is placed in wheel shaft by framework 2 by axle box hanging device 3 and forms on 1, and described bolster 4 two ends are laid and are fixed on framework 2 middle parts by central mounting device 9 respectively; The elastic element damping material that axle box hanging device 3 and central mounting device 9 adopt rubber spring 15 materials or rubber 18 and steel spring 19 to form, integral structure is more stable, and effectiveness in vibration suppression is better.

Other unitized constructions of bogie truck in Fig. 1, have also further been represented.Comprise brake equipment 5, radial device 6, side bearing apparatus 7, empty and load brake equipment 8, longitudinal towing mechanism 10, Vertical Vibration Reduction device 11, lateral vibration absorbing device 12 and anti-skid device 13.

Fig. 2 is that bogie truck of the present invention is faced structural representation.In figure, represented framework 2 and axle box hanging device 3, with the structural relation of central mounting device 9.In conjunction with Fig. 1 to Figure 10, wheel shaft of the present invention forms 1 axletree and is placed in the journal box body 14 of axle box hanging device 3, axletree when operation and journal box body 14 normal-running fiies, axle box hanging device 3 connects with framework 2 by the rubber spring 15 of both sides, and two groups of elastic elements of central mounting device 9 are placed in framework 2 middle parts.

Fig. 3 is bogie truck plan structure schematic diagram of the present invention.The plane arrangement structure that has represented bogie truck wheel shaft composition 1 of the present invention, framework 2, bolster 4 in figure, has also further represented the plane arrangement structure that brake equipment 5, side bearing apparatus 7, longitudinal towing mechanism 10, Vertical Vibration Reduction device 11, lateral vibration absorbing device 12 etc. install.

Fig. 4 is bogie truck side-looking structural representation of the present invention.Bogie truck wheel shaft composition 1 of the present invention, framework 2, axle box hanging device 3, brake equipment 5, Vertical Vibration Reduction device 11 side arrangement structures in figure, have been represented.Vertical Vibration Reduction device 11 adopts hydraulic damper, by the mounting means to lateral inclination certain angle, can reduce vertical and horizontal vibration simultaneously, thereby improve the vertical of vehicle and lateral vibration performance, in conjunction with other accompanying drawings, Vertical Vibration Reduction device 11 upper ends and framework 2 curb girders 22 are hinged, the vertical damper mount pad (16) on journal box body (14) top of lower end and axle box hanging device 3 is hinged.

Fig. 5 is that bogie truck of the present invention is looked up structural representation.Fig. 5 has represented bogie truck of the present invention bottom arrangement structure.In conjunction with other accompanying drawings, radial device 6 is hinged with the axle box hanging device 3 that is arranged in four jiaos by two pipe links arranged in a crossed manner 20; Longitudinal towing mechanism 10 and lateral vibration absorbing device 12 arrange respectively two groups, and every crossbeam 23 two ends, middle part arrange respectively longitudinal towing mechanism 10 and the lateral vibration absorbing device 12 connecting with bolster 4.Longitudinal towing mechanism 10 plays the effect of transmitting longitudinal force between bolster and framework, and draw bar is forging structure, and two ends adopt elastic ball to be hinged.Lateral vibration absorbing device 12 adopts hydraulic damper, can reduce lateral vibration, thereby improve the lateral vibration performance of vehicle.

Fig. 6 is truck journal box suspension gear schematic diagram of the present invention.Comprise with the axletree that forms wheel shaft composition 1 and coordinate the journal box body 14 connecting, rubber spring 15, the vertical damper mount pad 16 on journal box body 14 tops and the radial device mount pad 17 of bottom of journal box body 14 both sides.The present invention chooses rubber spring 15 and is arranged on journal box body 14 both sides, and for location, carrying and guiding, journal box body 14 bottom constructions expose outside race, are convenient to axle temperature infrared ray and automatically detect.Radial device mount pad 17 is for the cross support pipe link 20 of bogie truck radial device is installed, and vertical damper mount pad 16 is for installing the parts such as the hydraulic damper of Vertical Vibration Reduction device 11 and anti-skid device 13.Vertical, the horizontal and asynchronous feature of longitudinal rigidity that rubber spring 15 of the present invention has, and there is good non-linear feature.Adopt rubber spring 15 as axle box retainer spring, by the compressive deformation of rubber element, realize the vertical carrying of rubber spring 15.Meanwhile, rubber spring 15 has reasonably longitudinally, lateral stiffness value, to taking turns playing the effect of additional location.Lateral deformation to playing directional tagging, makes bogie truck pass through smoothly curve to wheel.Therefore, adopting rubber spring 15 is axle box pendulum spring as one, can make Axie box support device simplify the structure, more can adapt to the tractive performance requirement of bogie truck, reduce the abrasion between steel parts simultaneously, absorption comes from the high-frequency vibration of track, and the noise while reducing vehicle operating improves bogie truck environmental-protecting performance.

Consideration based on 160km/h rapid speed freight car bogie to safety, between journal box body 14 and bearing, adopt little gap fiting mode to carry out assembly, in journal box body 14 rear ends, anti-skid device 13 journal box rear covers are set, play the effect of axle box backstop, restrictive axes casing 14 and bearing are at axial relative displacement.

Fig. 7 is bogie truck central mounting device elastic element structure schematic diagram of the present invention.Central mounting device 9 of the present invention is comprised of two groups of elastic elements, and as shown in the figure, every group of elastic element adopts two ends rubber 18 and middle part steel spring 19 cascaded structures.

Fig. 8 is bogie truck radial device schematic diagram of the present invention; Fig. 9 is bogie truck radial device mounting structure schematic diagram of the present invention.In conjunction with other accompanying drawings, radial device 6 of the present invention forms by being positioned at bolster 4 lower planes two pipe links 20 arranged in a crossed manner, and two ends of every pipe link 20 and radial device mount pad 17 are hinged by ball pivot 21.Pipe link 20 arranged in a crossed manner forms bogie truck two axles after 1 diagonal axis casing 14 is connected and forms radial direction mechanism, improves the overall performance of bogie truck.

Figure 10 is truck frame perspective view of the present invention.As shown in the figure, framework 2 consists of curb girder 22 and crossbeam 23, and by being welded to form closed box-shaped structure.Curb girder 22 is U-shaped box type construction, by upper cover plate, lower cover and web welding; The present invention is at the cushion cap 24 of curb girder 22 middle part arranged outside central mounting devices 9, cushion cap 24 is placed in curb girder 22 outsides, cushion cap 24 upper backup pads are the steel plate that runs through curb girder 22 middle parts, and lower supporting plate and lower cover are integrated, and longitudinal gusset and horizontal gusset are set between upper backup pad, lower supporting plate; Sleeve is set and runs through crossbeam 23 web middle part perforates, and connect by circumferential weld; By cushion cap face, the upper cover plate plane by the U-shaped recess of curb girder 22 is displaced downwardly on the independent stay bearing plate arranging in the present invention, cushion cap face is lower, central mounting device 9 setting height(from bottom)s increase greatly, may for adopting more the central mounting device 9 of high camber and less rigidity to provide; 24 of cushion caps move to curb girder 22 outsides outward by curb girder 22 line of centerss, have increased the transverse distance of bogie truck central mounting device 9, and car body increases the constraint of shaking the head of bogie truck, is conducive to improve the critical speed of bogie truck; Crossbeam 23 adopts the mode that round steel pipe runs through with two ends curb girder 22 sleeves, segmentation is welded to be connected, and is conducive to suitably reduce the diameter of horizontal stage casing round steel pipe, reduces weight, is conducive to improve welding quality and the reliability of crossbeam 23 and curb girder 22.

In conjunction with Fig. 1 and Fig. 3, the present invention is provided with empty and load brake equipment 8 on the curb girder 22 of framework 2 one sides.Empty and load brake equipment 8 adopts direct weighing valve, pneumatic control mechanism and mechanical force-reducing mechanism, consists of.There is acquisition of signal accuracy, feature that sensitieness is higher.Its effect is that vehicle load is directly changed into pressure air signal and is transferred to adjustment equipment along with weight.