13 results about "Bogie" patented technology

The present invention relates to one kind of battery loading and unloading bogie for electromobile and its track type battery tray and built-in battery tray, and belongs to the field of electromobile technology. The battery loading and unloading bogie has elevating track upright in the front end, fast battery unloading mechanical arm on the upright and main elevating mechanism to shift the mechanical arm. The mechanical arm is provided with longitudinal bearing arm possessing special interface for fitting the battery tray, horizontal longitudinal push mechanism under the longitudinal bearing arm, and horizontal transverse telescopic cross bearing arm pushed with the longitudinal push mechanism and possessing battery hoisting part. The present invention has the advantages of convenient battery loading and unloading.

The invention relates to a method for the melting purification of magnesia by using a waste magnesium product. The adopted technical scheme is that the method comprises the following steps of: manually picking out and removing impurities visible to the naked eye from various purchased waste magnesium products; crushing and grinding the waste magnesium products subjected to the impurity removal into powder of below 800 meshes and removing iron with an iron removing device; removing carbon from the powder subjected to the iron removal by the water floatation method; loading the powder subjected to the carbon removal by the water floatation method into a kiln bogie, conveying the kiln bogie loaded with the powder to a tunnel kiln or a shuttle kiln, closing the kiln door, stirring the powder at the temperature of 550 to 650 DEG C and blowing in oxygen for 2 to 4 hours; uniformly mixing the powder subjected to the carbon removal with light burnt magnesium powder in a weight ratio of 1:2-4 and performing compression molding and drying; conveying the dried blank to a high-temperature electric arc furnace for melting at the temperature of 2,500 to 3,500 DEG C for 6 to 8 hours; and cooling, crushing and selecting the products. The method has the advantages of saving resource, protecting environment and saving energy.

The invention discloses a method for detecting a crack fault of a bogie of a maglev train. The method comprises the following steps: S1, collecting a vibration acceleration signal of a bogie of a maglev train by a sensor and acquiring a modal parameter of the bogie of the maglev train in a running state from the vibration acceleration signal; S2, carrying out the principal component analysis (PCA)on the modal parameter obtained in the S1 and extracting a principal component vector sensitive to a crack fault of the maglev train bogie; S3, establishing a support vector machine (SVM) model and carrying out SVM training on the principal component vector extracted in the S2 to obtain a classification surface of the principal component vector point sensitive to a crack fault of the maglev trainbogie; and S4, according to the position of the principal component vector obtained in the S2 in the classification surface in the S3, determining whether the maglev train bogie has a crack fault. Therefore, whether the bogie has a crack fault is determined accurately. The method has characteristics of high sensitivity, high precision and high efficiency.

The invention relates to the field of China railway high-speed train overhauling and maintaining, and discloses bullet train bogie framework cleaning equipment. The bullet train bogie framework cleaning equipment comprises a conveying unit, a pre-spray-washing unit, a scrubbing unit, a cleaning and drying unit and a visual detecting unit. The conveying unit is used for bearing a bullet train bogieframework, the pre-spray-washing unit is used for spraying surface stains of the bullet train bogie framework, and the scrubbing unit is used for scrubbing the surface stains of the bullet train bogie framework. The cleaning and drying unit is used for flushing scrubbing solutions left on the surface of the bullet train bogie framework, and drying the bullet train bogie framework. The visual detecting unit is used for recognizing the residual stain positions and cable components of the bullet train bogie framework. The bullet train bogie framework cleaning equipment is high in cleaning efficiency, good in cleaning effect, safe and environmentally friendly, the labor cost of cleaning is reduced, omnibearing covering cleaning of the bullet train bogie framework can be achieved, the stubbornstains can be cleaned repeatedly and emphatically, and damage and water input of cables and other critical components can be effectively avoided.

The invention relates to a steering bending frame for a plastic package. The steering bending frame comprises a supporting frame body, a transverse rolling shaft located at the top of the supporting frame body, a triangular steering frame body located in the middle of the supporting frame body and a steering rolling shaft located at the bottom of the supporting frame body. Due to the fact that the structure is simple, placing is convenient, and the simplicity, compact and movability requirements in overall moving equipment can be met; and meanwhile, when the steering bending frame is applied to overall processing, a plastic bag body is not subjected to winding and unwinding procedures and is directly folded in half, the production procedures are decreased, and accordingly the production efficiency is improved.

The invention discloses a three-axis welding self-guiding radial bogie foundation brake device. The three-axis welding self-guiding radial bogie foundation brake device comprises four brake beams distributed in the radial direction, the two brake beams in the middle are rotationally connected with middle levers correspondingly, the two brake beams on the two sides are rotationally connected with afixed lever and a movable lever correspondingly, and the three-axis welding self-guiding radial bogie foundation brake device further comprises arch-shaped pull rods and straight pull rods; the fixedlever is rotationally connected with the nearest middle lever through the arch-shaped pull rods, the movable lever is rotationally connected with the nearest middle lever through the arch-shaped pullrods, and the middle levers of the two brake beams in the middle are rotationally connected through the straight pull rods; and the two ends of each brake beam are connected with brake assemblies. According to the three-axis welding self-guiding radial bogie foundation brake device, the problems that in the prior art, a braking device of the three-axis welding self-guiding radial bogie is complexin structure and difficult to manufacture and maintain can be solved, and the purposes that the space structure position is reasonably utilized, so that the three-axis welding self-guiding radial bogie is simple in braking and high in transmission efficiency are achieved.

The invention provides a weighing test device and a bogie test system. The weighing test device comprises a base and a first supporting assembly capable of bearing a bogie wheel set, wherein the first supporting assembly comprises a first guide rail fixed on the base, a first supporting seat capable of linearly moving along the first guide rail, a first driving piece capable of driving the first supporting seat to linearly move, and a first driving cylinder capable of being contacted with the side surface of the wheel set; the first guide rail is arranged in a longitudinal direction; the first guide rail is connected with the first supporting seat; the first driving cylinder is arranged in a transverse direction; and the first driving cylinder is fixedly connected with the first supporting seat. Thus, automatic coincidence between the center of the tested bogie and the center of a test bench can be realized.

The invention relates to a rail dual-purpose fire truck railway running system lifting mechanism which is not affected by the vertical direction load (including the axle load and the vibration load),and can realize the balancing valve of the cylinder, so that the cylinder is gentle in the landing movement, and a lifting method. A subframe is integrally weld through U-shaped bolt, the connecting plate is installed on the main beam of the chassis of the automobile, the slideway is welded on the subframe, the upper part of the triangular connecting plate is matched with the slideway through thepin shaft 2, the middle part of the triangular connecting plate is connected with the subframe through the pin shaft 1, the lower part of the connecting plate is connected with the bogie through the pin shaft 3, and the piston end in the hydraulic cylinder located on the subframe is connected with the pin shaft 2. The invention has the advantages of small force, small impact and high reliability after the hydraulic cylinder is lifted. The structure is simple and the production is convenient.

A main transmission clutch of a non-tillage precise sowing machine comprises a bogie arm clamp assembly, a hydraulic oil cylinder system and a clutch connection rod assembly. The bogie arm clamp assembly is fixedly arranged on a bogie arm. A separation claw type clutch transmission part is arranged in the bogie arm clamp assembly. The two ends of a gearbox upper shaft are fixedly connected to bogie arm clamps through bearings correspondingly. The separation claw type clutch transmission part comprises a transmission chain wheel and a clutch claw shaft. The transmission chain wheel is installedon the gearbox upper shaft. The clutch claw shaft is matched with a sliding sleeve through a third bearing, a spring and a thrust bearing in sequence. A land wheel assembly is connected with the bogie arm through a land wheel shaft bearing pedestal. The gearbox upper shaft, the separation claw shaft, a fixed base and the sliding sleeve are each provided with protrusions, wherein the protrusions are engaged with one another. The main transmission clutch is easy to operate and does not need to be stopped, a land wheel can rise and fall at any time through the hydraulic oil cylinder system, andseparation and combination of power transmission is achieved while the land wheel rises and falls.

The invention discloses a train shaft end generator. The generator includes a generator assembly, the generator assembly is fixed to a bogie, two gears are fixedly arranged on a wheel shaft and a rotor shaft of the generator assembly respectively, the gears are connected through a chain, bosses are fixedly arranged at the ends, facing a rotating direction, of tooth parts on the gears, and first rubber layers are fixedly arranged on two sides of the tooth parts. The chain includes an outer chain plate and an inner chain plate which are successively connected end to end, the outer chain plate and the inner chain plate are connected through a hinge pin, a shaft sleeve is located on the outer side of the hinge pin in a movable adjustment mode, a clamping groove is formed in a shaft sleeve, theclamping groove is matched with the bosses in an inserted mode, inserted grooves are formed in the inner side of the inner chain plate, two ends of a shrapnel are connected with the inserted grooveswhich are in symmetry in an inserted mode, a flange is arranged on a central part of the shrapnel, and the flange is located in the clamping groove. According to the generator, a deficiency in the prior art can be improved, and the operating stability of a transmission mechanism can be improved.

A unitary bogie frame for a bogie of a rail vehicle, includes: two side beams and at least one support beam extending in the transverse direction of the bogie frame and rigidly connected to each of the two side beams. The support beam includes a support portion for supporting a drive unit of the bogie and a slender portion. The support portion is directly connected to one of the two side beams and is connected to the other of the two side beams through the slender portion. The planar second moment of area and the polar second moment of area of any cross section of the support portion of the support beam are at least twice as great as the planar second moment of area and the polar second moment of area, respectively, of any cross-section of the slender portion of the support beam.

The pendulation device (6) for pendulation of a body (2) relative to a bogie (4) comprises a pendulation crosspiece (8) and two shafts (10) extending longitudinally, each shaft (10) being mounted in rotation about a longitudinal axis (A), the crosspiece (8) comprising two rolling tracks, each rolling track arranged on one of said shafts (10) such that the crosspiece (8) is capable of moving in a transverse direction (T) on said shafts (10). Each shaft (10) comprises, at each of the end portions thereof, a frusto-conical section (22), the large base (24) of which extends towards the end of the shaft (10) and the small base (26) of which extends towards the inside of the shaft (10), each rolling track comprising two inclined sections (30) respectively resting on one of the frusto-conical sections (22) of the shaft (10) on which said rolling track rests.