35results about How to "Lower the center of gravity" patented technology

The present invention relates to a shoe-washing machine, including driving device portion and shoe-washing cylinder portion. The driving device portion comprises a shell body, motor, driving device and cotnrol device, said shell body is formed from a horizontally-arranged plate shell body and an electric shell body perpendicularly-arranged on its one end, the electric shell body is basically perpendicularly-arranged on the side face of shoe-washing cylinder, the control device is placed in the electric shell body. The shoe-washing cylinder portion includes a water-holding cylinder positioned on the plate shell body, a drive rotating body positioned in the bottom portion of water-holding cylinder interior and coupled with outer shaft and a shoe-fixing device fixed on the rotating body. Said invention is compact in structure, also can be used as washing machine.

The invention discloses a multifunctional self-positioning broken pavement milling machine. The multifunctional self-positioning broken pavement milling machine comprises a machine frame, a cutting device, a hammering device, a milling device and a positioning control system, wherein the cutting device, the hammering device and the milling device are arranged on the machine frame in an integration manner; the positioning control system is used for positioning a broken pavement and comprises vision sensors, displacement sensors and a central controller. When the multifunctional self-positioning broken pavement milling machine is used, the vision sensors which are mounted on all the devices are used for scanning back and forth by virtue of a computer control technology, the positions of irregular pits needing to be processed in the pavement are recorded, the irregular pits are self-positioned and are processed into regular pits which can be filled with asphalt according to the feedback information of each sensor, and the machine has the advantages of high intelligence, quickness, high maneuverability, high efficiency and reliability.

The invention relates to a lifting mechanism suitable for tail end lifting operation of vertical equipment. The lifting mechanism is arranged on a platform structure of a tail sliding machine and a crawler chassis. The lifting mechanism comprises a horizontal pushing oil cylinder, a fixed pulley group, a movable pulley frame and a cable, wherein a front hinged point of the horizontal pushing oil cylinder and the fixed pulley group are both fixed on the crawler chassis, and a barrel of the horizontal pushing oil cylinder is installed on the platform structure; the movable pulley frame is arranged on the upper surface of the platform structure, is fixed with a rear hinged point of the horizontal pushing oil cylinder, and is internally provided with the movable pulley group; the cable goes out of the movable pulley group and rolls the upper side of the fixed pulley group to the side, close to the crawler chassis, of the fixed pulley group so as to be connected with a lifting point on the bottom or the lower part of the vertical equipment. Compared with an existing tail sliding crane, the lifting mechanism provided by the invention is simpler in structure, is free of the working procedures, such as stringing and arm connecting, that consume long time, and has higher assembly efficiency. In addition, the operation barycenter of the complete mechanism is low, and thus the tipping risk of the complete mechanism is low.

The invention provides an air guide component. The air guide component comprises a shell, an air outlet frame and a driving device, wherein the bottom wall and the top wall of the shell are provided with an air inlet opening and an air outlet opening, the air outlet frame can rotate around a pivoting shaft fixed at the rear part of the shell, and a driving device drives the air outlet frame to rotate between an opening position where the air outlet of the air outlet frame is exposed above the air outlet opening and a closed position which is completely located in the shell. The driving devicecomprises a base, a driving motor, a gear and a guiding part, the base is fixedly connected with the air outlet frame, the driving motor is fixedly connected with the base, the gear is in driving connection with an output shaft of the driving motor, and the guide part is fixedly connected with the shell and is provided with an arc-shaped rack which is meshed with the gear. According to the air guide component, the rack is fixedly connected with the shell, so that the driving motor for driving the gear to rotate is fixedly connected with the air outlet frame; and the characteristics that the size of the gear is small, the movement stroke is short, and the machining precision is easier to control are utilized, so that the movement of the air outlet frame is more stable.

The invention discloses a sail type generator, which comprises a tower body base, wherein a tower body pedestal is arranged on the tower body base, a group of swing bearing is arranged on the tower body pedestal and is internally provided with a tower body spindle, the lower end of the tower body spindle is fixedly connected with the upper end of a coupler, the lower end of the coupler is connected with a generator, the outer side of the tower body spindle is provided with a plurality of sails through sail supporting arms, and the sails drive the tower body spindle to revolve by obtaining wind power and are connected with external driving devices which control the sails to rotate. The rotation direction of the sails and the revolution direction of the tower body spindle are opposite, the sails rotate once while the tower body spindle revolves once towards the reverse direction, the leading edges of the sails always point at a wind direction, and mathematical analysis is carried out on an included angle between an equivalent plane of the sails and wind direction on the circumference on which the tower body spindle revolves according to function rules. The sail type generator disclosed by the invention has high wind-electricity conversion efficiency, and large unit output power.

The portable separated washing machine consists of two parts including separable washing barrel assembly and driver assembly. The washing barrel assembly includes washing barrel and stirring wheel installed on the rotating shaft in the bottom; and the driver assembly includes motor, transmission mechanism connected to the motor, motor controller and casing for holding the said parts. The casingis one L-shaped one comprising one horizontal casing and one vertical electric element casing with communicated inner cavities. The output shaft of the motor is set downwards inside the electric element casing, and the output shaft of the transmission mechanism is connected to the shaft of the stirring wheel via a detachable transmission coupling mechanism. The present invention has lower working gravity center, high stability and safety and low cost, and is favorable to setting belt transmission unit with great transmission ratio and preventing leakage.

The invention belongs to the field of ground testing of an optical atmosphere data system, and particularly relates to a ground testing method and device for evaluating a laser atmosphere data system. The problems encountered in the process of evaluating the optical atmosphere data system are improved and solved, the device is reliable, the precision is excellent, the cost is controllable, the test can be repeatedly and conveniently carried out in the ground environment, and the evaluation on the performance of the optical atmosphere data system is comprehensively completed.

The invention provides an air guide component which comprises a shell, an air outlet frame and a driving device, wherein an air inlet opening is formed in the bottom wall of the shell; an air outlet opening is formed in the top wall of the shell; the air outlet frame is capable of rotating around a pivot shaft fixed at the rear part of the shell; the driving device is used for driving an air outlet of the air outlet frame to rotate between an open position set above the air outlet opening and a closed position completely set in the shell, and comprises a base, a driving motor, a gear and a guide part; the base is fixedly connected with the air outlet frame; the driving motor is fixedly connected with the base; the gear is in driving connection with an output shaft of the driving motor; andthe guide part is fixedly connected with the shell and comprises an arc-shaped gear rack meshed with the gear. The base further comprises rolling wheels capable of limiting the arc-shaped gear rack between the base and the gear, so that the circumstance that the position, relative to the shell, of the gear changes due to thermal expansion and cold shrinkage of the air outlet frame, and then the gear gets rid of the meshing relation with the arc-shaped gear rack can be avoided.

The invention provides an AGV transferring vehicle with three-point static definite support, which relates to the field of intelligent equipment for warehousing logistics. Includes a slewing bearing support with large gears and two running equalizer trolley supports. The steering of the vehicle can be realized by driving the slewing car with four wheels to rotate around the slewing axis (point) bypinion gears, which can make the change of direction of the transferring vehicle more convenient and controllable. Two equalizing trolleys for running support pass through a horizontal column hinge respectively, The two vertical guide columns and the elastomer in the middle are connected with the upper frame, and the upper flange of the steering support bearings forms an approximate three-point static support on the upper frame, which is favorable to the wheel pressure equalization and the reasonable stress on the vehicle body. Theoretically, the static structure can guarantee and prolong thelife of the wheel, the vehicle body and the driving device in the design, manufacture and use. This car body adopts eight wheels, which can reduce the diameter of tyre, reduce the center of gravity of the whole transfer vehicle, and enhance the safety of AGV transfer vehicle automatic operation.

The invention relates to the technical field of rail wagons, and particularly relates to a railway side dumper. The railway side dumper comprises a vehicle underframe and a carriage; the carriage is mainly defined by a bottom plate, side plates and an end wall; the bottom edges of the side plates are rotationally connected with the corresponding side edges of the bottom plate; a side plate drivingpart is arranged on the end wall, the side plate driving part drives the side plates on the two sides to rotate, a connecting seat is arranged in the middle of the end wall, the connecting seat is connected with a tipping driving part for driving the carriage to tip over, supports are arranged on the two sides of the bottom plate, and the supports are movably connected with a supporting seat forsupporting the carriage. The structural design of the carriage is simplified, the gravity center of the carriage is lowered, and the advantages of stable running, flexible use and high loading, unloading and transporting efficiency are achieved; the carriage is also suitable for miniaturization application, can be directly hoisted and transported to be used as a container for transferring goods, and is flexible and convenient to use.

The invention provides a plate enhanced telescopic truss arm structure, and relates to the field of engineering machinery. The plate enhanced telescopic truss arm structure is characterized in that plates are welded in a truss structure, so that a crane telescopic arm structure for enhancing the truss structure is formed. The plate enhanced telescopic truss arm structure can be utilized in severalsections of telescopic arms of the topmost end of an all-terrain crane and conventional combined sub arms of the all-terrain crane and a crawler crane, the plates are welded in the truss structure, the advantage that the effect of wind load on the truss structure is small is reserved, strength of the root part of the sub arm of the crane can be strengthened, the arm rising condition of the craneis improved, and the problem that the truss telescopic arm needs to be disassembled and assembled at any time and cannot quickly extend and retract is solved.

A sock shaping and fixing apparatus comprises a track, a blower structure, a driving device, a driving chain mechanism and an awaiting mechanism. Compared with present sock shaping and fixing apparatuses, the apparatus has the advantages of reasonable structure design, realization of effective utilization of the space, and convenience in maintenance. A cutting and fixing chamber reduces the vertical height of the sock shaping and fixing apparatus, reduces the work focus, increases the work stability, and is convenient to transport and maintain; the force bearing mode of the driving device is changed, so an original sealing structure is prevented, the workers' working space is increased, and the internal of the sock shaping and fixing apparatus is convenient to monitor and maintain; the awaiting mechanisms prolongs the workers' working time, reduces the working proficiency requirement and the workers' working pressure and reduces the enterprises' cost; and the driving chain mechanism increases the running stability of a driving chain and prolongs the service life.

The invention discloses a chair suitable for various body postures and a table (workbench) matched with the chair. A seat frame, a bracket, a front pedal, a middle pedal and the like are arranged on abase, a knee joint (or feet) bearing device is arranged in the middle of the bracket, an abdomen supporting and blocking device is arranged on the upper portion of the bracket, and a rear pedal, a seat plate-backrest linkage device, a backrest inclination angle adjusting device and the like are arranged on the seat frame. The use requirements of basic postures such as standing, sitting, kneelingand lying and some combined postures of people can be met. A liftable table (workbench) matched with the chair is provided with a tabletop, a left tray rack and a right tray rack, the tabletop, the left tray rack and the right tray rack can move forwards and backwards together, inclination angles of a left tray and a right tray on the left tray rack and the right tray rack can be independently adjusted, and brackets of the chair can pass through gaps.

The invention provides a partially-decoupled two-degree-of-freedom movement parallel mechanism. The partially-decoupled two-degree-of-freedom movement parallel mechanism is mainly composed of a movement platform, a fixed platform, and two movement branches which are fixedly connected between the two platforms respectively, wherein the first movement branch comprises three rotary pairs R1R2R3 withrotary axes which are parallel to one another, a movable pair P1, a first connection rod and a second connection rod which are used for connecting the three rotary pairs R1R2R3 and the movable pair P1, and a first sliding block; the second connection rod is connected with the movement platform through the rotary pair R3; the rotary pair R2 is connected with the second connection rod and the firstconnection rod; the rotary pair R1 is connected with the first connection rod and a first sliding block; the first sliding block is connected with the fixed platform through the movable pair P1; the second branch comprises two rotary pairs R4R5 with rotary axes which are parallel to each other, a movable pair P2, a third connection rod for connecting the rotary pairs R4R5 and the movable pair P2,and a second sliding block; the third connection rod is connected with the movement platform through the rotary pair R4; the rotary pair R5 is connected with the third connection rod and the second sliding block; the second sliding block is connected with the fixed platform through the movable pair P2. The partially-decoupled two-degree-of-freedom movement parallel mechanism has the advantages ofsimple structure, high rigidity, low working gravity center, small volume ratio, high precision and small errors; a movement part of the movement platform is partially decoupled so that the partially-decoupled two-degree-of-freedom movement parallel mechanism has good kinematics performance and flexibility.

The invention relates to a tricycle balance mechanism, belonging to the technical field of tricycle balance, comprising a balance bracket vertically and horizontally arranged, and an elastic component for pressure balance is arranged horizontally and horizontally on the balance bracket, and the front end of the balance bracket is a hinged end hinged with the tricycle frame , the rear end of the balance bracket is used to compress the pressing end of the upper pressing plate of the leaf spring of the tricycle. The tricycle balance mechanism of the present invention has a simple structure. When in use, due to the design of elastic components, and the front end of the balance bracket is hinged with the tricycle frame, its rear end is pressed tightly on the upper plate of the leaf spring of the tricycle. When bumping or turning, when the wheel on one side tends to leave the ground, under the action of the elastic component, the wheel on the other side is used as the fulcrum to force the wheel to contact the ground, effectively avoiding the bumping of the tricycle on the road. Or rollover occurs when turning.

The invention relates to a static balance detection device and a method for a large blade adjustable water pump hub assembly of a nuclear power plant, and belongs to the technical field of detection.The static balance detection device for the large blade adjustable water pump hub assembly of the nuclear power plant comprises a lifting mechanism, a support base and an operating station; the support base comprises an adjusting table, a support table, a stress bar assembly, a first transition flange, a second transition flange and a synchronous jacking mechanism; the support table and the synchronous jacking mechanism are arranged on the adjusting table; a lower end of the stress bar assembly is connected with the second transition flange, and the upper end of the stress bar assembly is connected with the first transition flange; the second transition flange is arranged on the support table; and the first transition flange supports an inverted water pump hub assembly, and an upper end ofthe first transition flange is connected with a shaft hole of a water pump hub. The static balance detection method for the large blade adjustable water pump hub assembly of the nuclear power plant is realized by the above device. The invention can verify whether the detected position adding weight and quality are accurate and marked timely, and the detection is stable with minor errors.

The invention relates to the technical field of wall surface measuring equipment, in particular to building measuring equipment capable of detecting flatness of different wall surfaces. The building measuring equipment comprises a measuring equipment main body, the measuring equipment main body comprises a fixing base, the bottom end of the fixing base is connected with a fixing mechanism, and thesurface of one end of the fixing base is connected with a supporting rod; the outer surface of the top end of the supporting rod is sleeved with a first connecting sleeve, the outer surface of one side of the first connecting sleeve is fixedly connected with the supporting rod, the surface of the top end of the supporting rod is fixedly connected with the fixing base, the inner wall of the fixingbase is hinged to a first connecting rod, and the surface of the first connecting rod is sleeved with a measuring mechanism; and the fixing mechanism comprises an inner connecting block, a supportingleg, an upper connecting base, a plug pin, a first fixing rod, an inner rotary disc and a first bearing rod. According to the building measuring equipment, by the arrangement of the fixing mechanism,the supporting rod can be conveniently fixed and supported; and by the arrangement of the measuring mechanism, the wall surfaces can be conveniently detected, and the flatness detection precision isimproved.