55results about How to "Good balance and stability" patented technology

A platform exercise apparatus includes a planar platform adapted for use on a floor and elevated therefrom with an elevating portion. A plurality of holes extend through the planar platform and define attachment bars therebetween. Elastic bands are provided having attachment hooks on one end thereof and a handle on the other end thereof. The elastic bands are selectively detachably attachable to the attachment bars with the hooks. The apparatus is used for exercise by standing thereon, grasping one or more of the handles and stretching the elastic bands. The apparatus is produced by injection molding the planar platform together with the elevating portion. Alternatively, the apparatus is made from a sheet of metal having the perimeter edges thereof bent to form the elevating portion, and by cutting or stamping the holes through the platform for thereby forming the attachment bars. An exercise bench can be used with the apparatus by positioning above the planar platform for thereby retaining the apparatus.

The invention relates to a wind collecting vertical type wind power generating system which comprises a wind power system, a vertical type speed increaser, a vertical type generator and an excitation grid-connected control system, wherein the wind power system is connected with the speed increaser and the generator by a chain coupling; the generator is controlled by the excitation grid-connected control system; the wind power system is in a box frame structure and comprises a fan blade system and a wind collecting and protecting system; the upper end and the lower end of a box frame are respectively provided with an upper shed top and a lower shed plate; the wind collecting and protecting system comprises a plurality of wind collecting plates which are distributed at four sides of the box frame and hydraulic drive equipment; the upper shed top, the lower shed plate and the wind collecting plates are connected to form a wind tunnel box type wind collecting body; the generator works in a multi-winding pole-changing control way; and the generator and the speed increaser are installed on the ground. The invention has the advantages of small size, low installation, maintenance and transportation cost, high wind power utilization ratio and wind field land utilization ratio, stable performance, high storm wind resistance and favorable power generating quality and grid-connected performance, can form a high-power wind power generator unit system and is suitable for various weather and geographic environments.

The invention provides a small-sized energy-saving ventilator which comprises a shell body composed of a top plate, a bottom plate, two long-edge side plates and two short-edge side plates. An intermediate partition plate for being connected with the top plate, the bottom plate and the two long-edge side plates is arranged inside the shell body, the intermediate partition plate is used for dividing the interior of a machine shell into two areas, one area is a heat exchanging area, and the other area is an exhausting area. A heat exchanger which is vertically placed is arranged in the heat exchanging area, two horizontally-rotating volute blowers are arranged in the exhausting area, and the two volute blowers are vertically stacked and are driven by the same double-shaft motor to rotate. In the small-sized energy-saving ventilator, the total stacked height of the two volute blowers is smaller than that of the heat exchanger, therefore, the whole height of the small-sized energy-saving ventilator depends on the height of the heat exchanger, therefore, under the premise that the ventilation requirement is ensured, the size of the small-sized energy-saving ventilator is reduced, and the small-sized energy-saving ventilator is suitable for being used in the house with the small installation space.

A pull band for an inflatable air mattress particularly of medium and large sizes to provide for the mattress excellent elongation and self-balanced mechanism is divided into an upper and a lower portions to respectively jointed to the upper and the lower perimeters of the mattress in symmetric, corresponding and inverse fashion to form an enclosure for providing pull strength to regulate the form of and to support the mattress; the band yielding support for the mattress saturated with the air to effectively cope with external pressure for maintaining in shape; and the mattress being automatically restored to its shape once the external pressure is released.

A locking and recocking assembly with swivel breech-lock and rotating locking head particularly designed for inertially-actuated weapons, which combines in a single assembly all the functions for locking, opening, case ejection and recocking with locking return, required for correct operation of the weapon; those functions were, until now assigned to various components variously assembled on the weapon. The locking and recocking assembly with swivel breech-lock and rotating locking head has the entire mass, required for inertial operation, concentrated in the swivel breech-lock, which is accommodated completely within the supporting structure of the weapon, such as the sheath or barrel extension or breech of the weapon. All this leads to better balancing and stability of the weapon, higher reliability in operation, greater constructive simplicity and ease of assembly and disassembly.

The invention discloses a simulation aircraft and a system thereof. The simulation aircraft comprises a support, a first rotation shaft is horizontally arranged on the support, a transmission case is fixedly connected at one end of the first rotation shaft extending out of the support, and one side of the transmission case is connected with a cockpit. The first rotation shaft is provided with a hollow cavity, a second rotation shat is arranged in the cavity, the second rotation shaft and the first rotation shaft are coaxially arranged, one end of the second rotation shaft extending into the transmission case is in linkage with a fourth rotation shaft through a linkage mechanism, the fourth rotation shaft is perpendicular to the first rotation shat in horizontal projection, and the cockpit is hinged to an end portion of the fourth rotation shaft extending out of the transmission case through a hinge pin. The second rotation shaft is creatively arranged in the first rotation shaft, so the whole simulation aircraft is simple in structure, small in space occupation, complete in functions, low in manufacturing cost and convenient to mount.

The invention discloses a high-altitude tower embedded type vertical type wind power generation system which comprises a high-altitude tower, a global position system (GPS) time service generator excitation grid-connection control system and a vertical type wind power generation system. The vertical type wind power generation system is arranged on the high-altitude tower, a GPS timing excitation grid-connection control mode is used, a GPS time service timer controls an excitation grid-connection control system which controls a wind-collect system and a vertical type generator excitation control system respectively, and a patulous angle of a wind-collect plate is controlled so that supply air rate of a wind power generator, generator speed and amplitude frequency and phase of voltage waveform output by the generator are adjusted. The high-altitude tower embedded type vertical type wind power generation system is small in size, easy to mount and repair, stable in operation performance, high in anti-storm ability, good in power-generation quality and performance, suitable for a high-altitude signal-radiation tower, a high voltage transmission tower and other high-altitude frames which can be used as frames for a vertical wind power generator and fit for power-generation and application in various climates and geographical conditions.

The invention discloses a rotary base plate tracking sun automatically and belongs to the technical field of solar power generation and heat utilization. The rotary base plate comprises a base, a horizontal rotary mechanism and the like, wherein the horizontal rotary mechanism comprises a horizontal rotary support, a drive gear, a speed reducer, a direct current motor and an automatic controller;the horizontal rotary bearing is mounted on a flange block of the base; the drive gear is fixed on the output shaft of the speed reducer and meshed with a moveable gear ring of the horizontal rotary bearing; the speed reducer is fixed on the base; the input shaft of the speed reducer is connected with a direct current motor; the automatic controller is connected with the direct current motor; thedrive gear, the speed reducer and the direct current motor are positioned on the same vertical line; main and auxiliary stand columns are symmetrically arranged on the moveable gear ring; and an illuminator bracket base is positioned on the upper ends of the main and auxiliary stand columns. In the invention, the base flange is connected with the horizontal rotary bearing in a large round disc shape, so the rotary base plate has a high bearing capability, the illuminator bracket base has high stability, and the wind and snow bearing capability of the rotary base plate is high.

The invention discloses a wind-driven generator which is provided with a hollow shaft external rotor generator, comprising a longitudinal center shaft, at least one support bracket which can rotate around the longitudinal center shaft, and at least one blade which is connected with the support bracket. The hollow generator is fixedly connected with one of support bracket, the longitudinal center shaft is fixedly connected with the hollow shaft, and the external rotor can rotate to generate electricity as the rotation of the support bracket, thereby not only reducing weight, but also increasing the service life of the generator. Each support bracket of the invention is connected with a shaft sleeve which is sleeved on the outer side of the longitudinal center shaft, the shaft sleeve can be connected or fixedly connected with the support bracket through bolts, the blade is made from soft materials, and the support bracket of the invention also can be connected through a plurality of components in detachable way. With the structure, the wind-driven generator can be installed simply, can be transported detachably, and can reduce transportation costs.

The invention discloses a robot for washing an underwater structure. The robot for washing the underwater structure comprises a sealed cabin; the robot is connected with a washing detection device through a flange plate arranged on the sealed cabin; an attitude and motion control mechanism and a balancing mechanism are also arranged on the sealed cabin to realize underwater motion and balance of the robot and adjust the washing detection device to finish detecting and washing works; and the robot for washing the underwater structure further comprises an electric connecting mechanism connectedwith an electric supply device. Compared with the prior art, the robot for washing the underwater structure has the advantages that the washing and detecting of the underwater structure are realized,good balancing stability is realized, stable attitude and easily controlled motion can also be provided, and the washing and detecting quality is improved.

The invention discloses a silkworm breeding device with an adjustable working space. The silkworm breeding device comprises a support frame and a silkworm bed assembly located inside the support frame, wherein a winding rod is rotationally mounted on the support frame; the silkworm bed assembly is hoisted on the winding rod by a suspension assembly; the silkworm bed assembly comprises N layers ofvertically-arranged adjustable silkworm beds which are parallel to one another; ends of all adjustable silkworm beds are respectively connected with a common adjustment assembly. The height of the whole silkworm bed assembly can be adjusted by the suspension assembly, and the working space between every two adjacent layers of the silkworm beds can be adjusted through the adjustment assembly, thereby facilitating the operation. The device is simple in structure and ingenious in design, and can not only fully utilize the space of a silkworm room, but also has strong operability.

The invention provides a detachable transformable universal scooter having independent two-wheel drive design and allowing two wheels to relatively rotate or turn through a connection rotary mechanism. In addition, the positional design of footboards, the connection rotary mechanism and the wheels is optimized, spacing of the two wheels is effectively shortened so that overall size and weight of the universal scooter are decreased, and all-directional flexible turning is achieved. The detachable transformable universal scooter has good balancing stability, balance is easier for a rider to master, operating is easier for the rider, the detachable transformable universal scooter can turn in situ stably and flexibly and can turn freely and all-directionally even in a narrow passage. In addition, the detachable transformable universal scooter herein can be detached and transformed into two independent operating vehicles for two riders to use at the same time, the two-motor design of the detachable transformable universal scooter is made full use, detaching-deforming interest is provided for a rider, and another riding mode is provided for the rider.

The invention discloses a chassis for a full electric vehicle, and belongs to the technical field of electric vehicle chassis. The chassis comprises a chassis frame for supporting the weight of a vehicle body, and a wheel assembly, a driving mechanism, a steering assembly, a braking assembly and a bumper which are arranged on the chassis frame. The chassis frame comprises a bin-type longitudinal beam arranged on the axis of the chassis. The bin-type longitudinal beam is of a through structure. The front end and the rear end of the bin-type longitudinal beam are provided with a front blocking door and a rear blocking door respectively. A positioning battery case is arranged in the bin-type longitudinal beam through a longitudinal guide mechanism and a positioning mechanism. An emergency braking device of the battery case is formed through a wedge-shaped braking shoe structure at the bottom of the bin-type longitudinal beam. By improving the structure of the bin-type longitudinal beam, the installation and arrangement structure of the battery case and the protection measures of the battery case, the technical requirements for rapid installing and positioning, rapid replacing, ventilating and cooling and overall protecting of the battery case are met.

The invention relates to a steering drive device for a automobile headlight, which is installed on a light bracket and connected with a light cover, and comprises an upper box cover, a lower box cover, a gear drive mechanism, a direct current stepping motor and a drive output shaft, wherein the gear drive mechanism is arranged in the box cover; the direct current stepping motor is arranged outside the box cover; and the drive output shaft extends out from the box cover. The invention is characterized in that the gear drive mechanism comprises at least two groups of coaxial different-mode gears, the direct current stepping motor drives the first group of the coaxial different-mode gears through a main gear, the first group of the coaxial different-mode gears is meshed with the second group of the coaxial different-mode gears, the second group of the coaxial different-mode gears is then meshed with an annular internal tooth gear, and the axis line of the rotate shaft of the direct current stepping motor and the axis line of the drive output shaft are in the same straight line. By the structure, the invention has the advantages of space saving, compact structure, large drive output torque, stable drive output and the like, and can be widely applied to self-adapting headlight lighting systems of various automobiles.

The invention discloses an agricultural product planting temperature and humidity sensor for an intelligent agricultural system, and belongs to the field of sensors. The agricultural product planting temperature and humidity sensor comprises a greenhouse and an adjusting device, wherein the adjusting device is vertically mounted in the greenhouse, the adjusting device comprises a mounting frame and a shell, the section of the shell is arranged in a segmental cambered surface shape, the mounting frame is arranged corresponding to the segmental surface of the shell and fixed to the inner wall of the greenhouse, a square groove is vertically formed in the side wall of the shell, a distance adjusting base is arranged in the shell, a temperature and humidity sensor body is arranged on the distance adjusting base, a moisture absorption assembly is clamped and embedded in one side of the temperature and humidity sensor body, the distance adjusting base is arranged to be a circular plate, three planar segmental surfaces are arranged on the circular plate distance adjusting base along the annular surface array, and the planar segmental surfaces and the upper arc surface of the distance adjusting base are arranged alternately, so that the temperature and humidity sensor body can ascend or descend, and real-time detection of the temperature and humidity in air flow in the height or two directions of the bottom in the greenhouse is facilitated.

The invention discloses a hook-headed wedge key anti-loosening device of a railway wagon and the railway wagon, and relates to the technical field of railway wagons. The hook-headed wedge key anti-loosening device is used for preventing a key connection structure of a transmission shaft and a crank throw from loosening, and comprises a hook-headed wedge key, a lever, a mounting seat and eyelet bolt, wherein the hook-headed wedge key is matched with a key groove in the transmission shaft and a key groove in the crank throw; one end of the lever abuts against the exposed end of the hook-headed wedge key, and a long round hole is formed in the other end of the lever; one side of the mounting seat is arranged on a web plate of the crank throw, and one end, close to the hook-headed wedge key, of the other side of the mounting seat is hinged with the middle part of the lever; and a round hole of the eyelet bolt is hinged to the end, away from the hook-headed wedge key, of the other side of the mounting seat, the middle of a threaded rod of the eyelet bolt penetrates through the long round hole of the lever, and a first adjusting nut and a second adjusting nut are arranged on the portions, on the two sides of the lever, of the threaded rod of the eyelet bolt respectively. The anti-loosening device is simple in structure, labor-saving, convenient to operate, fast, time-saving, capable of meeting the requirement for fast adjustment and capable of meeting the requirements for high reliability and safety.

The invention provides a universal vehicle. The universal vehicle has the advantages that two wheels of the universal vehicle are in independent drive designs and can oppositely rotate or turn by the aid of a connecting rotary mechanism; furthermore, relative location designs of foot pedals, the connecting rotary mechanism and the two wheels are optimized, the distance between the two wheels is effectively shortened, accordingly, the integral volume and weight of the universal vehicle can be reduced, and the universal vehicle can omni-directionally flexibly turn; the universal vehicle is good in equilibrium stability, riders can easily master the equilibrium when using the universal vehicle, and control can be facilitated; the universal vehicle can steadily and flexibly turn on the spot and also can freely and omni-directionally turn even in narrow channels.

The invention discloses a self-balancing autonomous driving two-wheeled vehicle and a balance control method, and relates to the field of traffic. The self-balancing autonomous driving two-wheeled vehicle comprises a frame, a front wheel, a rear wheel, a steering system, a gyroscope module, a flywheel system, a driving system, a control module and a steering pose detection module, the steering system comprises a steering fork, a parallel four-bar mechanism, a steering gear and a steering engine; and the front wheel is rotatably arranged at the lower end of the steering fork, the parallel four-bar mechanism is matched with the steering engine to rotate the front wheel, the flywheel system comprises a flywheel, a flywheel rotating shaft and a flywheel driving motor, the traveling driving system comprises a traveling driving motor and a belt wheel or a chain wheel, and the rear wheel is driven by the traveling driving motor through the belt pulley or the chain wheel. Through the implementation of the vehicle and the method, the cost is low, the form is flexible, and the advantages of small vehicle body shaking amplitude, good vehicle body balance stability and good user experience arealso achieved.

The invention relates to a rapid lifting device of an angle steel straightening roll. The rapid lifting device of the angle steel straightening roll comprises a round outer ring, lifting lugs, V-shaped baffles, vertical plates, pin holes A, pins B, pins A and pin holes; the opened round outer ring is connected with a to-be-lifted angle steel straightening roll in a sleeving manner; and three lifting lugs and four V-shaped baffles are fixed on the outer wall and the inner wall of the round outer ring correspondingly. Two mutually parallel vertical plates are arranged in the opening position ofthe round outer ring, and the two vertical plates extend outwards from the opening of the round outer ring. The pin holes A are formed in the centers of the two vertical plates; and the pins A are inserted into the pin holes A. The rapid lifting device of the angle steel straightening roll is simple to manufacture, adopts few materials, can realize rapid lifting of straightening rolls with different size and different number on an angle steel rolling line, and is simple to adjust and rapid in change. The lifting lugs are uniformly distributed on the round outer ring by 120 degrees; and when the straightening rolls are rapidly lifted, the balance stability is high, and safety and rapidness are realized.