49results about How to "Flexible shift" patented technology

The invention discloses a bicycle with a miniature box transmission on a middle axle. The bicycle comprises a frame device, a transmission device, a moving device and a safety device and is characterized in that: the middle axle of the frame device is provided with the miniature box transmission consisting of a box speed transformation device and a shifting device; the middle axle and an auxiliary axle are arranged in a box; a clutch sleeve and a driving gear are fixedly arranged on the middle axle; the right outer end of the middle axle is in movable fit with a middle axle driven gear and a chain wheel; a clutch sleeve and a driven gear are fixedly arranged on the auxiliary axle; and an auxiliary axle driving gear is fixedly arranged at the right outer end of the auxiliary axle and engaged with the middle axle driven gear. The bicycle has a small and compact structure, large transmission ratio range, high climbing capability, high level road speed, low production cost and high popularization value, is convenient to use, flexible and rapid to shift, easy to manufacture and easy to accept by bicycle enthusiasts and can particularly realize quick shifting under various road conditions.

The invention discloses a hydraulic-hydraumatic comprehensive driving axle gear box for a high-speed railway maintaining vehicle. The hydraulic-hydraumatic comprehensive driving axle gear box comprises a box assembly, a motor input spline shaft assembly, an input gear shaft assembly, a middle shaft assembly, an output shaft assembly, a gearshift assembly, a pull arm assembly, a lubricating system, a sealing structure and an aerator, wherein the box assembly comprises a box cover, an upper box body and a lower box body; the motor input spline shaft assembly and the input gear shaft assembly are mounted and supported on a bearing base hole between the box cover and the upper box body and are provided with the same first axis; the middle shaft assembly and the output shaft assembly are mounted and supported on the bearing base hole between the upper box body and the lower box body; a second axis of the middle shaft assembly and a third axis of the output shaft assembly are both located in a lower subdivision part and are vertical to each other; the second axis is parallel to the first axis and is deviated for a distance S; one end of the middle shaft of the middle shaft assembly extends out of the box assembly. The hydraulic-hydraumatic comprehensive driving axle gear box has compact layout, reasonable structure and capability of realizing the conversion of two driving modes.

The invention discloses large radial gate lifting equipment comprising a bridge erecting machine provided with a loading and unloading channel, wherein the top of the bridge erecting machine is provided with a lifting trolley which a stretches across the loading and unloading channel and can move along the loading and unloading channel, the lifting trolley is provided with a winch, and the winch is arranged above the loading and unloading channel. The large radial gate lifting equipment disclosed by the invention can conveniently realize the lifting of a large radial gate of a dam; and the stability and safety of a lifting process are guaranteed. The invention also discloses a lifting method adopting the large radial gate.

The invention discloses an automatic ventilation system for tunnel construction. The automatic ventilation system comprises a plurality of air condition detection units, an upper monitor, an electric ventilator arranged at a constructed tunnel opening and ventilation pipeline construction vehicles. Each ventilation pipeline construction vehicle comprises a traveling trolley, a traveling driving mechanism, a pipeline retracting and laying device, an electric pipeline retraction and laying driving mechanism and an electronic circuit board. A flexible air pipe is continuously wound on a winding shaft of each pipeline retracting and laying device from inside to outside. A controller, a traveling direction detection unit, a traveling position detection unit, an air supply volume detection unit and a first wireless communication module are arranged on each electronic circuit board. The rear end part of each flexible air pipe is connected with an air supply outlet of the electric ventilator, and the front end part of each flexible air pipe is fixedly arranged on the corresponding traveling trolley. The automatic ventilation system is simple in structure, rational in design, convenient to operate and high in intellectualization degree, and has good using effects, and the problems of heavy field workload, more manpower and material resource investment, inconvenience for operation, relatively poor ventilation effects and the like of the conventional ventilation system for tunnel construction can be solved.

The invention discloses a ventilation monitoring system for gas explosion prevention. The system comprises a plurality of gas concentration detection devices, a host monitoring machine and an automatic ventilation device which is controlled by the host monitoring machine; the automatic ventilation device comprises a travelling chassis, an electric travelling drive mechanism, and ventilation equipment and an electronic circuit board which are installed on the travelling chassis, wherein the ventilation equipment comprises an electric ventilator, a pipeline reeling and releasing device on which a ventilation hose is continuously wound from inside to outside, and an electric pipeline reeling and releasing drive mechanism which drives the pipeline reeling and releasing device; and a controller, a global position system (GPS) positioning unit, an obstacle detection unit, a travelling direction detection unit, an air output detection unit and a wireless communication module 1 are arranged on the electric circuit board. The system has the advantages of simplicity in structure, reasonability in design, convenience in operation, high intelligent degree and good use effect, and can be used for solving problems of heavy field workload, more labor and material input, inconvenience in use and operation, poorer ventilation effect and the like of the existing underground coal mine ventilation devices.

The invention discloses a circulating drying oven for leather products. The circulating drying oven for the leather products structurally comprises a jet engine, an exhaust column pipe, an alloy shell, a leather product drying oven groove, encoding controllers, an integrated electric control box, a rubber sealing plate, a drying oven door plate, an oven door hand dragging rod and L-shaped plug pincolumns. A propeller of the jet engine is inserted into the axis of the leather product drying oven groove in an embedded mode, and the leather product drying oven groove is embedded into the alloy shell in a sleeved mode. The jet engine comprises a jet piston cylinder set, fan rotating mechanisms, mechanical switch supporting bases, separating plate transverse movement devices, conveying belt pulley sets, lug plate supporting devices, shaft rod transmission mechanisms and a turbine spiral device. The purpose that the effect of jet type gear-shifting heating of a mechanical structure of the circulating drying oven is enhanced is achieved, mechanical and flexible gear shifting is achieved, and a piston rod conducts jacking push heating; the processing quality of a whole belt is improved through gradual temperature increase and decrease of leather product drying, and the working efficiency is also improved; and after the internal environment is cooled through wind power, the internal environment is continuously used, the working efficiency is improved, and the whole mechanical integrity cooperation is efficient.

The invention provides a hip holding device and a shifting machine comprising the same. The hip holding device comprises a lying table and two holding arms; the lying table comprises a bearing platform and protruding side wall parts adjacent to the two sides of the bearing platform, wherein one holding arm comprises a rotating arm and a buckling arm which are installed on the outer side wall of the side wall parts; the first end of the buckling arm is in pivot connection with the first end of the rotating arm, and the other holding arm at least comprises a rotating arm; each rotating arm is connected with the corresponding side wall part through a first connecting shaft, and each rotating arm takes the first connecting shaft as a rotating center; the second end of the buckling arm of one holding arm and the other holding arm are provided with matched lock catch structures which are used for buckling the two holding arms to surround a passenger. According to the hip holding device, the function of imitating the actions of carrying on the back or holding by arms of a person is achieved, the pulling strength of nursing personnel is greatly reduced in the moving process, the nursing efficiency is improved, and the nursing risk is avoided; and meanwhile, the transferring person has dignity and flexible displacement, so that the transferring person is comfortable in body and pleasant in mood.

The invention relates to a mudflat CDM method soft foundation reinforcement technology that adopts an elevating platform ship to implement soft foundation reinforcement. The technology includes the following steps of: establishment of measurement leading marks and arrangement of control points, benchmarking and place taking of the elevating platform ship, sitting on sea bed and positioning of the elevating platform ship, place taking of a deep stirrer, and implementation of CDM construction and floating and translocation of the elevating platform ship. The invention adopts the elevating platform ship to implement soft foundation reinforcement, and as the elevating platform ship adopts a self-floating leg upright column, a working platform is combined with the self-floating leg upright column through elevation, thus forming a floating ship to ensure sufficient floatage and stability and take the tide for flexible translocation, or forming a working platform sitting on the sea bed to be suitable for shallow sea soft foundation and having stronger function of resisting wind, wave and current. During the implementation of the soft foundation reinforcement, the technology greatly reduces the manufacturing cost of special platform equipment for soft foundation reinforcement, simultaneously quickens the manufacture and installation and plays an important role in shortening working period.

The invention discloses construction equipment and method for waste silt shallow layer in-situ curing. The construction equipment comprises rails arranged around a silt rectangular area, and a stirring device; the rails comprise a pair of bottom temporary light walking rails, a pair of upper temporary light walking rails and a floor stand rail; slide blocks and slide motors corresponding to the bottom temporary light walking rails are mounted at the bottom of the floor bracket rail; a pulp conveying rail and a slide device for driving the pulp conveying rail to move up and down are verticallymounted on the inner side of the floor bracket rail; the internal of the pulp conveying rail is of a hollow structure; the stirring device comprises a stirring motor and a hollow stirring rod; the stirring motor is mounted above the pulp conveying rail; and the hollow stirring rod is vertically arranged below the pulp conveying rail. The construction equipment can effectively improve the construction efficiency, reduce the silt water content and improve the soil strength, and can achieve the purpose of foundation pretreatment or resourceful utilization.

The invention discloses a multifunctional bath chair suitable for a high-weight patient. The bath chair is characterized by comprising a base frame, carrier wheels arranged on the base frame, a lifting mechanism arranged on the base frame in a rotating mode, a support frame disposed on the lifting mechanism in the rotating mode, a seat plate disposed on the support frame in the rotating mode, a shank support structure disposed on the seat plate in the rotating mode, a pedal disposed on the shank support structure in the rotating mode, a back plate disposed on the seat plate in the rotating mode, armrests reversibly disposed on the back plate, a handle fixedly disposed on the back plate and a headrest arranged on the back plate in a sliding mode. The multifunctional bath chair can meet theneed of the high-weight patient, can be easily connected with other auxiliary tools, avoids the fact that a nurse bends over for a long time when helping the patient during the bathing process, reduces the working strength of the nurse and improves the nursing efficiency.

The invention discloses downhole life-saving equipment. The downhole life-saving equipment comprises a ground hoisting crane and an underground life preserver which is connected with the ground hoisting crane. The underground life preserver comprises a clamp-type stretching control X frame, a hanging bracket, a bottomed self-control device, a bottomless telescopic barrel and a bottomed clamp device. The clamp-type stretching control X frame is formed by hinging two mechanical arms in a crossed mode. The top of the hanging bracket is hinged to the upper portion of the clamp-type stretching control X frame through a connecting rod. The lower portion of the hanging bracket is hinged to the crossed position of the two mechanical arms. The bottomed self-control device is located below the clamp-type stretching control X frame and is further hinged to the lower ends of the two mechanical arms. The lower ends of the two mechanical arms are further fixedly connected with the bottomless telescopic barrel. The upper portion of the bottomless telescopic barrel is connected with the bottomed self-control device, and the bottom of the bottomless telescopic barrel is fixedly connected with the top of the bottomed clamp device. The life-saving equipment is wide in life-saving range, efficiency can be improved and cost can be reduced; the life-saving difficulties are lowered, and the burdens of firemen are relieved; original manual operation is changed into automation at one step, rescue can be conducted immediately when the equipment comes, the rescue does not have to depend on fire brigades, and local people can carry out rescue in time.

The present invention relates to the technical field of Internet and discloses a virtual object reconstruction method and system suitable for a virtual scene. The method comprises the steps that: a background server obtains a current real geographical location L1 of a real object and complete object construction data, the background server determines a virtual area matched with the current real geographic location L1 from the virtual scene based on the current real geographical location L1 and the complete object construction data, and the background server reconstructs a virtual object corresponding to the real object in the virtual area according to the complete object construction data. By implementing the embodiment of the present invention, the reconstruction efficiency of the virtualobject in the virtual scene can be improved, the reconstructed virtual object can be flexibly shifted in the virtual scene, and a user's sense of experience in performing a task in the virtual environment is improved.

The invention belongs to the design field of diesel engine power output system, and specifically relates to a power shift gearbox, including a clutch transmission mechanism, a shift transmission mechanism and a power output mechanism; the clutch transmission mechanism includes a first input shaft, a first output shaft, The shift transmission mechanism includes a second input shaft and a second output shaft; the first input shaft and the engine output shaft form a transmission fit, the first output shaft and the second input shaft form a drive fit, and the second The output shaft and the power output mechanism form a transmission cooperation, and the clutch transmission mechanism is assembled so that the first input shaft can drive the first output shaft to switch between forward rotation and reverse rotation; the shift transmission mechanism is assembled as The second input shaft and the second output shaft are switchable between a plurality of different gear ratios. The power shift gearbox of the present invention has the advantages of compact structure, fast response speed, flexible gear shifting, wide speed adjustment range, and improved power output efficiency of the engine.

The invention discloses a shifting shaft structure of a motorcycle. The shifting shaft structure comprises a shifting shaft, wherein the shifting shaft is provided with two check rings in an interval mode; the shifting shaft is provided with two flat gaskets at the inner sides of the two check rings; a torsional spring is arranged between the two flat gaskets; the shifting shaft is welded with a fixed plectrum plate; the fixed plectrum plate is provided with a movable plectrum plate; an end of the movable plectrum plate, which is far from the shifting shaft, is provided with a bayonet which can be combined with a variable speed drum; the movable plectrum plate is fit with the fixed plectrum plate through two banking pins which are arranged in an interval mode; the size of a through hole of the movable plectrum plate for containing the two banking pins along the radial direction of the shifting shaft is larger than the diameter of the body of each banking pin; the fixed plectrum plate is integrally provided with a convex plate along one side of the torsional spring; two extending ends of the torsional spring are abutted to two sides of the convex plate; the shifting shaft is wound with an elastic metal wire between the first check ring and the first flat gasket; and a free end of the elastic metal wire penetrates out of holes of the fixed plectrum plate and the movable plectrum plate after penetrating through the movable plectrum plate and the fixed plectrum plate from the outer side. The shifting shaft structure is simple and is flexible in shifting.

The invention discloses a robot for preventing underground coal mine methane accumulation. The robot for preventing the underground coal mine methane accumulation comprises a robot body, a walking chassis, a motor-driven walking drive mechanism, a ventilating device and an electronic circuit board. The ventilating device comprises a motor-driven ventilator, a pipeline winding-up and paying-off device and a motor-driven pipeline winding-up and paying-off drive mechanism, wherein ventilating flexible tubes are continuously wound on the pipeline winding-up and paying-off device from interior to exterior, and the motor-driven pipeline winding-up and paying-off drive mechanism drives the pipeline winding-up and paying-off device. A controller, a global positioning system (GPS) positioning unit, an obstacle detection unit, a walking direction detection unit, an air amount detection unit and a first wireless communication module connected with the controller are arranged on the electronic circuit board. The motor-driven walking drive mechanism, the motor-driven ventilator and the motor-driven pipeline winding-up and paying-off drive mechanism are respectively controlled by the controller and connected with the controller. The robot for preventing the underground coal mine methane accumulation is simple in structure, reasonable in design, simple and convenient to operate, high in intelligentized degree, good in use effect and capable of solving the problems that an existing underground coal mine ventilating device is large in field workload, large in input of manpower and material resource, inconvenient to use and operate, poor in ventilating effect and the like.

The invention provides a movable outdoor communication cabinet, and belongs to the technical field of cabinets. The movable outdoor communication cabinet comprises a cabinet body; the cabinet body is provided with an inner cavity; a power supply is arranged in the inner cavity of the cabinet body; a cabinet door is hinged to the cabinet body; a first universal wheel, a second universal wheel, a third universal wheel and a fourth universal wheel are arranged on the lower surface of the cabinet body; a partition plate is fixed in the cabinet body and divides the inner cavity of the cabinet body into an upper inner cavity and a lower inner cavity; a first vertical plate and a second vertical plate are fixed in the upper cavity; a first cooling fan is arranged on the first vertical plate; a second cooling fan is arranged on the second vertical plate; a first mounting plate, a second mounting plate and a third mounting plate are arranged in the upper cavity; a supporting adjusting mechanism is arranged in the lower cavity; the supporting adjusting mechanism comprises a first supporting leg, a second supporting leg, a third supporting leg, a fourth supporting leg, a first lead screw and a fifth motor. The movable outdoor communication cabinet is good in heat dissipation performance, can be flexibly moved outdoors, and can be supported and positioned according to actual conditions.

The invention discloses a shifting tool of an assembling machine, which comprises an assembling machine base, a roller train base and a walking roller rack base. The assembling machine is supported by the assembling machine base. One or more of a split type roller train, a transition roller rack and a hydraulic control station is/are supported by the roller train base, and the roller train base is interconnected with the assembling machine base. A walking roller rack is supported by the walking roller rack base. The shifting tool of the assembling machine provided by the invention enables the assembling machine to shift flexibly in a whole, the cost is reduced and the utilization efficiency is improved for disassembly is not performed on the assembling machine so that the assembling machine can be directly used after shifting without reinstallation and debugging.