Sany Heavy Industry Co. Ltd Patent applications |
Patent application number | Title | Published |
20150027253 | Power Gear-Shifting Transmission and Engineering Machinery - A power gear-shifting transmission and an engineering machinery are disclosed. The power gear-shifting transmission comprises a clutch shaft assembly ( | 01-29-2015 |
20140326330 | WHEELED MATERIAL DISTRIBUTING MACHINERY - In one aspect of the present disclosures, a wheeled material distributing machinery includes a main travel system, a boom system, and a material distributing frame, where an inner end of a root end boom of the boom system is connected to the material distributing frame, the main travel system is mounted on a predetermined boom of the boom system. In a travel state, the main travel system is supported on a road surface, and at least part of the weight of the boom system and at least part of the weight of the material distributing frame act on the main travel system. In a predetermined working state, the material distributing frame is supported on a working surface, and the entire weight of the boom system and the entire weight of the main travel system both act on the material distributing frame. | 11-06-2014 |
20140246635 | CYLINDER-DRIVEN LIFTING MECHANISM OF COMPACTION MACHINE AND COMPACTION MACHINE - In one aspect of the disclosure, a cylinder-driven lifting mechanism of a compaction machine includes a cylinder having a first end and a second end, a fixed pulley set, a movable pulley set, a rope having a head end, and a tail end configured to connect a compaction hammer. The first end of the cylinder is connected to a vehicle body of the compaction machine and the second end of the cylinder is connected to the movable pulley set. The rope is wound on the fixed pulley set and the movable pulley set and is then connected to the compaction hammer. When the cylinder performs extension and refraction movement, the movable pulley set moves with the cylinder, the distance between the movable pulley set and the fixed pulley set increases or decreases, and the compaction hammer connected to the tail end of the rope is lifted up or dropped respectively. | 09-04-2014 |
20140246100 | WHEELED MATERIAL DISTRIBUTING MACHINERY - In one aspect of the present disclosure, a wheeled material distributing machinery includes a main travel system, a boom system, at least three outrigger mechanisms, and a material distributing frame, where an inner end of a root end boom of the boom system is connected to the material distributing frame, and an inner end of the outrigger mechanism is connected to the material distributing frame, the main travel system is mounted on a cantilever of at least one of the outrigger mechanisms, and the outrigger mechanism is a driving outrigger mechanism. In a travel state, the driving outrigger mechanism is supported on a road surface through the main travel system, and at least a part of the weight of the folded boom system acts on at least one driving outrigger mechanism. | 09-04-2014 |
20140182713 | BOOM APPARATUS AND CONCRETE PUMP VEHICLE HAVING SAME - In one aspect of the invention, a boom apparatus includes at least a first boom, a second boom and a third boom sequentially connected to one another, wherein a root end of the first boom is connected to a turntable, some of the booms is a bent boom occupying at least two column spaces, and when the booms are in a folded state, the boom apparatus occupies at least three column spaces. The invention also provides a concrete pump vehicle having the boom apparatus. | 07-03-2014 |
20140175254 | BOOM APPARATUS AND CONCRETE PUMP VEHICLE HAVING SAME - In one aspect of the invention, a boom apparatus used for a concrete pump vehicle includes multiple booms, where the multiple booms comprise a first boom hinge-connected to a turntable of the concrete pump vehicle and a second boom hinge-connected to the first boom. When the boom apparatus is in a folded state, the first boom extends towards a cab of the concrete pump vehicle, and the second boom is further placed above the first boom. The invention also provides a concrete pump vehicle having the boom apparatus. | 06-26-2014 |
20140129096 | METHOD AND SYSTEM FOR CONTROLLING ENGINE SPEED AND BOOM-TYPE ENGINEERING MACHINE - The disclosure relates generally to the field of boom-type engineering machinery, which discloses particularly an engine speed control method used to control an output speed of an engine of a boom-type engineering machine during a boom action including: detecting a load pressure of a hydraulic system and a moving speed of a boom; determining a target speed of the engine according to the load pressure and the moving speed of the boom, by a central control unit; and sending, by the central control unit, the target speed of the engine to an engine control unit, and performing, by the engine control unit, a speed closed-loop adjustment according to a current speed value fed back by the engine, so that a current speed of the engine is consistent with the target speed of the engine. Further aspects are an engine speed control system and a boom-type engineering machine equipped therewith. | 05-08-2014 |
20140015685 | ENGINEERING MACHINE AND STABILITY CONTROL SYSTEM AND CONTROL METHOD THEREOF - A stability control system for an engineering machine and a control method are provided. The stability control system includes a detection device ( | 01-16-2014 |
20130263947 | PUMPING MECHANISM, DISTRIBUTING VALVE THEREOF AND CONCRETE PUMPING MACHINE - A pumping mechanism and the distributing valve thereof and a concrete pumping machine are disclosed. The distributing valve includes a valve casing ( | 10-10-2013 |
20130255245 | HYDRAULIC OIL CYLINDER, HYDRAULIC CUSHION SYSTEM, EXCAVATOR AND CONCRETE PUMP TRUCK - The present application discloses a hydraulic oil cylinder, of which a piston rod (3) is provided with at least two cushion collars ( | 10-03-2013 |
20130199367 | Hydraulic Oil Cylinder and Related Equipments, Hydraulic Buffer System, Excavator and Concrete Pump Truck - A hydraulic oil cylinder has a buffer sleeve ( | 08-08-2013 |
20130197695 | METHOD AND DEVICE FOR CONTROLLING MECHANICAL ARTICULATED ARM - A control method of a mechanical articulated arm, wherein at least two tilt sensors are arranged in different positions of the articulated arm, comprising: calibrating zero positions of tilt sensors when articulated arm does not have elastic deformation, setting position of tail end of articulated arm as point P and point P′ before and after elastic deformation of articulated arm, and selecting point R on the articulated arm; detecting angles of two different positions of the articulated arm with the tilt angles before and after the elastic deformation, obtaining the angle offset Δθ of the articulated arm due to the elastic deformation, and calculating the length parameter L | 08-01-2013 |
20130034457 | DISTRIBUTING VALVE FOR CONCRETE PUMP AND THE CONCRETE PUMP - A distributing valve for a concrete pump and the concrete pump are provided, the distributing valve comprises a valve body ( | 02-07-2013 |
20120318390 | DISTRIBUTION VALVE FOR CONCRETE PUMP, CONCRETE PUMP AND CONTROL METHOD THEREOF AND CONCRETE PUMP TRUCK - A distribution valve for a concrete pump, the concrete pump, a control method thereof and a concrete pump truck are provided. The distribution valve comprises a valve body ( | 12-20-2012 |
20120303314 | ANGLE MEASUREMENT DEVICE, ANGLE MEASUREMENT METHOD AND CONSTRUCTION MACHINERY - An angle measurement device includes a microprocessor, a primary acceleration transducer, an output device, and an auxiliary acceleration transducer. There is a predetermined angle between a positive direction of a primary sensitive axis of the primary acceleration transducer and that of a auxiliary sensitive axis of the auxiliary acceleration transducer; the primary acceleration transducer and the auxiliary acceleration transducer output respectively a first initial parameter and a second initial parameter; the microprocessor obtains a first actual parameter of the primary acceleration transducer according to the first initial parameter, the second initial parameter and the predetermined angle and then gets an angle parameter according to the first actual parameter; the first actual parameter characterizes the parameter of the primary acceleration transducer in the case of no external interference. An angle measurement method and a construction machinery with the angle measurement device is also provided. The provided angle measurement device and method can obtain measuring result in dynamic state accurately. | 11-29-2012 |
20120276855 | WIRELESS LINK BACKUP SYSTEM - A wireless link backup system, including a first device and a second device, wherein the first device comprises a first controller and at least two first wireless transceivers; the at least two first wireless transceivers have the same working parameters; and the first controller is adapted to control such that only one of the first wireless transceivers is working at a time; the second device comprises a second controller and at least two second wireless transceivers; the at least two second wireless transceivers have the same working parameters; and the second controller is adapted to control such that only one of the second wireless transceivers is working at a time; and the working parameter of the first wireless transceiver match the working parameter of the second wireless transceiver, so that wireless connection between the first wireless transceiver and the second wireless transceiver can be established. | 11-01-2012 |
20120134849 | CHARACTER PARAMETERS OBTAINING METHOD FOR DISPLACEMENT CONTROL MECHANISM OF HYDRAULIC PUMP AND DETECTING DEVICE FOR CARRYING OUT THE METHOD - A character parameters obtaining method for a displacement control mechanism of a hydraulic pump and a detecting device for carrying out the method are disclosed. The method involves constructing a hydraulic system; outputting hydraulic energy by the hydraulic pump driven by a primary motor; detecting pressure of a displacement control mechanism; obtaining middle parameters by obtaining the time required for preset change of the pressure at the output end of the displacement control mechanism; obtaining character parameters of the displacement control mechanism according to the middle parameters. The method can obtain the character parameters of the displacement control mechanism by the pressure detection, so that the performance of the displacement control mechanism can be judged according to the obtained character parameters. The method avoids the need of obtaining the output flow of the hydraulic pump so as to eliminate the problem caused by using a flow meter or using an obliquity sensor to obtain the character parameters. | 05-31-2012 |
20110191833 | MATCHING AUTHENTICATION METHOD, DEVICE AND SYSTEM FOR WIRELESS COMMUNICATION - A matching authentication method for wireless communication equipment comprises that: a device at the transmitting end sends a matching request (S | 08-04-2011 |
20110001309 | SUPPORT DEVICE FOR WALKING MACHINES - A support device for use in a walking machine including a frame-like base connected to a chassis, sheath tubes fixed on the frame-like base, extensible arms provided in the sheath tubes, support parts provided on outward ends of the extensible arms and extensible perpendicularly, wherein, the sheath tubes are arranged in double X-form, one pair of sheathe tubes arranged diagonally are parallel and at same height, another pair of the sheath tubes that are arranged diagonally and are also parallel and at a same height are at a different height from the pair of the sheath tubes. | 01-06-2011 |