38results about How to "Improve running comfort" patented technology

The invention discloses a landing door opening protection device with an improved structure. The landing door opening protection device comprises a landing door limit component, wherein the landing door limit component comprises a rotary swing locking block and a limit piece which is in interference fit with the rotary swing locking block in a clamping way; the movement locus plane of the rotary swing locking block is parallel with a horizontal plane or forms an acute angle with the horizontal plane; a coupler lock swing arm and a driving swing arm are arranged by extending the rotary swing locking block towards two outer sides along the rotary swing axis; the limit piece is fixedly connected with a landing door guide rail frame and is vertically downward. Compared with the prior art, the landing door opening protection device has the beneficial effects that 1, the whole structure is simple, the size is small, the mounting is convenient, the universality is strong, and the landing door opening protection device can be directly mounted on an existing landing door without a landing door protection device; 2, a non-contact structure is adopted, no friction and no noise exist, the wear rate is low, and the operation comfort of an elevator is improved; 3, the operation is convenient, the action is sensitive, the safety performance is strong, the possibility that an operator accidentally falls into a hoistway is reduced, and the personal safety of the operator is guaranteed.

The invention provides a passenger lift of a flexible counterweight guide rail, belonging to the technical field of a lift. The passenger lift comprises a lift car, a counterweight, a counterweight guide rail, a counterweight guide boot, wherein the counterweight guide rail is formed by the means that two steel wire ropes are vertically fixed in a lift well; the counterweight guide boot is a cylinder-shaped guide boot which consists of two semi-cylinders; and the cylinder-shaped guide boots are sleeved and fixed on the steel wire ropes. The bottom and the top of the lift well are respectively provided with fixed boards, and the upper ends and the lower ends of the steel wire ropes are connected with the fixed boards. The two steel wire ropes which are vertical to each other and have the diameter of safe isolation of phi 13mm are arranged between the counterweight and the loft car, and the upper ends and the lower ends of the steel wire ropes are connected with the fixed boards. The passenger lift is reasonable and simple in structure, easy in manufacture, low in cost, and convenient and safe in use. The passenger lift replaces the original two guide rails with the two steel wire ropes, is convenient and fast in construction, saves the material and the manufacture cost, and improves the running comfortable sensation of the lift.

The invention discloses a rigidity-adjustable elastic hinging device of a low-floor train and a rigidity adjusting method of the rigidity-adjustable elastic hinging device. The elastic hinging device of the low-floor train comprises a center pin, a spherical hinge joint pair and a rigid hook. The center pin is integrally connected with the rigid hook. The elastic hinging device further comprises a middle plate, a front support, a rear support, a first rubber supporting body, a second rubber supporting body, a first rubber backstop, a second rubber backstop, a first transverse stop block and a second transverse stop block. The front support and the rear support are both arranged between the first rubber supporting body and the second rubber supporting body. Rubber in the first rubber supporting body and rubber in the second rubber supporting body are both transverse and pre-stretched in the direction away from the front support and the rear support. The spherical hinge joint pair and the front support are integrally connected. The inner diameter of the spherical hinge joint pair is matched with the outer diameter of the center pin. The center pin penetrates through the spherical hinge joint pair, so that the rigid hook and the front support are connected in a matched mode. By means of the rigidity-adjustable elastic hinging device, the requirement for a small-curvature radius of an urban track is met while the train operation comfort is improved, and the driving safety can be guaranteed.

The invention relates to a vibration absorption structure for railway vehicle bottom suspension equipment. The vibration absorption structure comprises a vibration absorption box fixedly covering theouter surface of the body of the bottom suspension equipment; the vibration absorption box comprises an inner metal layer, a rubber damping layer and an outer counterweight metal layer connected intoa whole inside out sequentially; hanging elements penetrating the rubber damping layer and the outer counterweight metal layer are mounted on the inner metal layer, and used for hanging the bottom suspension equipment on the body of the railway vehicle. Compared with the prior art, the vibration absorption structure has the advantages that, with the vibration absorption box mounted on the outer side of the bottom suspension equipment, vibration transmitted to the vehicle floor from the bottom suspension equipment can be reduced effectively, and meanwhile, vibration energy of the bottom suspension equipment can also be absorbed, so that running comfort level of the vehicle can be improved, fault probability within the service cycle caused by concentration of the vibration energy of the bottom suspension equipment can be reduced greatly, and running safety of the vehicle can be improved greatly.

The invention discloses a sky train traffic system based on embedded tracks. The sky train traffic system comprises a sky train track system and a sky train vehicle system. The sky train track system comprises a sky train track beam and track beam stand columns for supporting the sky train track beam. The sky train vehicle system travels on the sky train track beam. An embedded track system is laid in the sky train track beam. According to the sky train traffic system based on the embedded tracks, the defects that rubber wheels of a traditional sky train are abraded heavily, and energy consumption is high are overcome, the vehicle carrying capacity is improved, the structure principle is simple, the production technology is mature, and the sky train traffic system is suitable for urban mass transit; by means of the sky train traffic system, not only can wheel abrasion and vehicle operation energy consumption be reduced, but also the operation comfort can be improved, and the curve negotiation and linear operation performance are improved significantly; and the sky train traffic system is novel, low in energy consumption, abrasion and cost and high in performance.

The invention discloses a continuous intersection traffic control method and device. The continuous intersection traffic control method comprises: step 1, collecting signal lamp information and vehicle information on vehicle running route; step 2, calculating a phase space-time diagram of N signal lamps on the vehicle running route according to the information collected in the step 1) in combination with pre-loaded map information; step 3, setting a speed vk, wherein k is equal to 1, 2, ..., n, and n is a natural number; step 4, judging whether a passing time of passing by the ith signal lamp at the speed vk is within a green light phase in the phase space-time diagram, if so, the speed vk is an effective speed ui, and on the contrary, entering step 3; step 5, calculating multiple groups of effective speed combinations passing by N intersections, figuring out the total oil consumption of each group of effective speed combinations, using the effective speed combination with the lowest total oil consumption as an economic vehicle speed, and prompting the economic vehicle speed to drivers. The continuous intersection traffic control method disclosed by the invention can be used for achieving the aim of economic driving.

The invention relates to a distributed control method of multiple power units of high-speed train. The method includes the following steps: S1. using the number of multiple power units of the high-speed train, a train reference speed operation curve, train speed limitation information, and a train friction resistance coefficient and so on as control system input; S2. monitoring and obtaining the real-time speed and displacement feedback information of each power unit of the train in each sampling control period; S3. according to the real-time speed and displacement feedback information of eachpower unit, designing a distributed control method, calculating control output of each power unit and controlling the train; and S4. repeating S2 to S3 until the control process ends. The distributedcontrol method designs a distributed cruise control method for a power-dispersed high speed train according to the characteristic that multiple power units are used by high-speed trains and bullet trains to perform traction and braking, thus the precision of tracking the train and the operating comfort of the train are improved effectively, and energy consumption of operation of the train is reduced to a certain degree.

A vehicle foundation braking device comprises a braking clamp, an unit braking cylinder, a brake pad and a brake disc, wherein the unit braking cylinder comprises a braking cylinder body, an intermediate body, a braking piston assembly, a braking adjusting mechanism and a yoke; the braking adjusting mechanism comprises an adjusting shaft, a guide nut assembly and an adjusting nut assembly; a parking cylinder comprises a parking cylinder body, a parking piston assembly and a parking control mechanism; the parking control mechanism comprises a wedge-shaped body and a thrust sleeve. The vehicle foundation braking device is reliable in braking performance, and particularly can automatically adjust a gap which is enlarged caused by the wear between the brake pad and the brake disc during the braking process; an adjusting resisting assembly can timely act to resist adjustment of the braking adjusting mechanism when the braking force reaches a certain degree, and thus the gap between the brake pad and the brake disc can be kept within the normal range all the time.

The invention relates to a drive device for a leaf of a door or window, comprising a housing and a piston-cylinder unit, the piston-cylinder unit of which is movably supported by means of a piston forming a pressure chamber and a pressure-free chamber In the cylinder of the piston-cylinder unit, hydraulic medium is transferable between a pressure chamber and an unpressure chamber during corresponding closing and opening movements of the piston. The housing is provided with inflow and / or outflow holes for the hydraulic medium to be diverted which are offset relative to each other both along the axis of the cylinder of the piston-cylinder unit and along its circumference, which are closed at the corresponding closure of the piston of the piston-cylinder unit Or being driven over and closed or opened during the opening movement. A regulating valve is also provided, which has a valve section which is adjustable in the direction of the axis of the valve bore. The inlet and / or outlet openings of the housing open into the valve openings. The control valve interacts with the inflow and / or outflow openings so that the different inflow and / or outflow openings of the housing can be closed or the different inflow and / or outflow openings can be opened.