102results about How to "Realize power output" patented technology

The invention relates to a novel underwater robot movement control device which comprises a machine body with a sealed cabin, a control system which is arranged in the machine body, is provided with an underground camera and is used for wirelessly transmitting and introducing a program instruction, a battery for supplying electric energy to the control system, and at least two power propelling devices which are symmetrically arranged on the machine body, are connected with the control system through communication cables and are used for controlling the machine body to rotate circumferentially, wherein each power propelling device comprises a propeller component and a pusher capable of controlling the propeller component to rotate and the whole machine body to rotate circumferentially; the power propelling devices are arranged in a power component shell in the machine body. Therefore, the invention has the advantages that 1, the novel underwater robot movement control device is reasonable in design, simple in structure and completely practical, and 2, when power is output, the machine body rotates around a certain angle, so that movement can be sensitively controlled.

The invention relates to a tool replacing device for a tail end of a space robot, which relates to a tool replacing device, and aims at solving the problems of the existing tail end replacing device for the space robot that a butt connecting piece cannot be locked while being captured, the big tolerance capturing cannot be realized under the condition that an error exists between the replacing tool and a standard interface, the power output cannot be realized after the standard interface is captured, and the installation and maintenance of a butt-connecting target cannot be satisfied. The tool replacing device comprises a base, a connecting sleeve, a capturing locking and electric appliance pushing system and a drive mechanism; the lower end surface of an interface sleeve is connected with the connecting sleeve, and the upper end surface of the interface sleeve is connected with a butt-connecting sleeve; a first motor is arranged inside the connecting sleeve, and a first harmonic transmission reducer and a rotary body are arranged inside the interface sleeve; a transmission shaft of the first motor is connected with a first wave generator; the drive mechanism comprises a second motor, a second harmonic transmission reducer and a socket spanner, and a rotating shaft of the second motor is connected with a second wave generator. The tool replacing device is used for the space robot.

The invention relates to the technical field of robots, and in particular, discloses a steering engine capable of performing overload protection. The steering engine comprises a power driving device and a reduction gearbox; a clutching device is arranged between a driving gear and a driven gear for final-grade transmission of the reduction gearbox; the driven gear sleeves a power output shaft; when the load of the steering engine is higher than a preset value, the clutching device cuts off the power transmission between the driving gear and the driven gear; and when the load of the steering engine is lower than the preset value, the clutching device performs the power transmission between the driving gear and the driven gear. The clutching device achieves the effects of protecting the power driving device of the steering engine and the gears in the reduction gearbox. The invention further discloses a robot adopting the steering engine.

The invention discloses a two-gear planet row transmission of a pure electric vehicle. An input shaft, fixed with a sun gear, is supported in a transmission shell; one end of the input shaft outwardsextends to connect with a motor rotor; an output shaft is supported in the transmission shell; a planet carrier is fixedly arranged on the output shaft; the sun gear is engaged with a planet gear supported on the planet carrier; a low-speed gear tooth hub is fixedly arranged in the transmission shell; a high-speed gear tooth hub is fixedly arranged on the output shaft; a transmission hub idly sleeves the output shaft; an inner gear ring is arranged at one end of the transmission hub for engaging with the planet gear; the other end of the transmission hub is in spline fit with a synchronizer; ajoint sleeve of the synchronizer can axially move to join the synchronizer with the low-speed gear tooth hub or joint the synchronizer with the high-speed gear tooth hub for power transfer; a takeoffoutput shaft is supported in the transmission shell; a takeoff driven gear is fixedly arranged on the takeoff output shaft; a takeoff driving gear is fixedly arranged on an input shaft; and the takeoff driving gear is engaged with the takeoff driven gear to transfer takeoff output power. The transmission is compact in structure, and can realize takeoff output.

The invention relates to a piezoelectric composite phonon crystal slab for denoising and power generation; the piezoelectric composite phonon crystal slab is formed by respectively arraying and fixing a plurality of mass sheets and piezoelectric patches on the top and bottom surfaces of an elastic thin plate; the surface containing piezoelectric patches of the elastic thin plate is provided with frame type grids; each frame type grid, each elastic thin plate unit defined by each frame type grid, mass sheets arranged on the top and bottom surfaces of the elastic thin plate unit, and the piezoelectric patch can form a piezoelectric composite phonon unit crystal cell; the piezoelectric composite phonon unit crystal cells are arrayed so as to form the piezoelectric composite phonon crystal slab. The piezoelectric composite phonon crystal slab can collect noise energy and output power, thus combining denoising with power generation.

The invention aims to provide a powered artificial ankle based on an electro-hydraulic direct drive technology, and aims to help a below-knee amputee to restore normal walking ability. The powered artificial ankle comprises an electro-hydraulic direct drive executing mechanism, a below-knee prothesis, an angle sensor, a force sensor and a control module, the control module is in electric signal connection with the angle sensor, the force sensor and the electro-hydraulic direct drive executing mechanism, a motor drives a gear pump, the gear pump drives a hydraulic cylinder to provide power at apower plantar flexion stage and posture adjustment at a swinging stage when a human body walks, a hydraulic system provides buffer for the plantar flexion stage and a dorsiflexion phase, postures ofthe artificial ankle are judged by measuring data of the force sensor and the angle sensor in real time, and motion of next step of the artificial ankle is guided. Besides, according to the powered artificial ankle, and the step speed of the artificial ankle can further be adjusted, so that various different motion speeds and motion requirements are met.

The invention discloses a double-piston-rotor internal combustion engine. A first rotor comprises a rotating shaft disc, two first piston bodies are arranged at one end of the rotating shaft disc, a first rotating shaft provided with a first egg-shaped gear is installed at the other end of the rotating shaft disc, and the bottom face of a cover plate is connected with the end faces of the first piston bodies. A second rotor comprises a second rotating shaft, two second piston bodies are arranged at one end of the second rotating shaft, a second egg-shaped gear is installed at the other end of the second rotating shaft, the second rotating shaft is installed in a shaft hole of the first rotating shaft in a penetrating mode, and the second rotating shaft and the first rotating shaft are jointly installed in a shaft hole of a disc-shaped piece in a penetrating mode. An upper end disc and a lower end disc of the disc-shaped piece are connected with a combustor shell and a flange of a gearbox through bolts respectively. A power output gear shaft is installed in a shaft hole in the bottom of the gearbox. Upper egg-shaped gears of two double-egg-shaped gear shafts are meshed with the first egg-shaped gear and the second egg-shaped gear respectively, and lower egg-shaped gears of the two double-egg-shaped gear shafts are meshed with two egg-shaped gears on the power output gear shaft respectively. The double-piston-rotor internal combustion engine is low in oil consumption, high in power-to-weight ratio, large in output torque, low in vibration, simple and compact in structure, easy to design and good in manufacturability.

The invention relates to a vector mask, a vector pump jetting propelling system and an underwater aircraft. The vector mask comprises a vector mask body and a vector driving mechanism, and the vectormask body is used for being rotatably installed at the water outlet end of a vector pump jetting propelling device; the vector mask body is provided with a through hole in the axis direction, and thevector mask body rotates under driving of the vector driving mechanism till the axis of the through hole and the axis of the water outlet end have different angles; and water flow pushed out of the water outlet end is jetted out along the through hole. According to the vector mask, the vector pump jetting propelling system and the underwater aircraft, the vector mask body is rotatably installed atthe water outlet end of the vector pump jetting propelling device and rotates under driving of the vector driving mechanism till the axis of the through hole and the axis of the water outlet end havethe different angles, the purpose that the direction that the water flow pushed out of the water outlet end is jetted out along the through hole and the axis of the water outlet end have the different angles is achieved, that is to say, propelling force on the vector mask body in different directions is generated, and then the effect of adjusting the posture of the underwater aircraft with the vector mask is ahieved.

The invention discloses an outer pipeline detection robot and a walking method, the outer pipeline detection robot comprises an outer wall assembly and an inner wall assembly, the outer wall assembly and the inner wall assembly each comprise a plurality of electric control adsorption devices, and the electric control adsorption devices can be adsorbed on the outer wall of a detected pipeline; the outer pipeline detection robot further comprises a main shaft and a transmission assembly connected with the main shaft. When the main shaft rotates forwards, the transmission assembly drives the outer wall assembly to advance and drives the electric control adsorption devices on the outer wall assembly to alternately move close to and away from the detected pipeline; when the main shaft rotates reversely, the transmission assembly drives the inner wall assembly to advance. According to the outer pipeline detection robot and the walking method, the problem that in the prior art, a crawling robot is not suitable for long-distance oil and gas conveying pipeline outer wall detection is solved, and the purpose that the characteristics that the long-distance oil and gas conveying pipeline is gently arranged, long-distance operation is needed and the like can be achieved.

The engine transmission method for fork lift is one power transmission method with hydraulic pump, and realizes the power transmission by means of toothed chain transmission. One toothed chain transmission mechanism installed inside one chain wheel chamber has its driving force transmitted to the toothed output chain wheel via the toothed transmitting chain wheel installed on the crankshaft so as to drive the hydraulic pump. The present invention has great transmitted power to drive the hydraulic pump and unchanged timing function of the gasoline engine. The method has simple structure, smooth power transmission, lower noise, easy lubricating, high efficiency and other features.

The invention discloses power generation equipment utilizing air. The electricity generation equipment comprises air compression units, an air power unit and a power generation unit, wherein the air compression units comprise wind wheels, gas storage tubes and an air compressor, wherein the air compressor communicates with the gas storage tubes, and the wind wheels are in driving connection with the air compressor; the air power unit comprises a shell, a rotor which is partially attached to the inner wall of the shell, and a plurality of baffle assemblies arranged on the rotor; an air inlet and an air outlet are formed in the shell, each baffle assembly comprises a T-shaped baffle and a spring which sleeves with the T-shaped baffle, the T-shaped baffle is used for compressing the spring toabut against the inner wall of the shell, and a ventilation pipeline is arranged on the rotor; one end of the ventilation pipeline communicates with the air inlet, and the other end of the ventilation pipeline communicates with the end, far away from the shell, of the T-shaped baffle; and the power generation unit comprises a generator which is in transmission connection with the rotor. The powergeneration equipment utilizing the air has the advantages of being optimized in structure and high in power generation efficiency.

The invention relates to the technical field of coating, in particular to a coating processing device based on a rotating grinding dispersion principle. A base is included, and the upper side of the base is fixedly connected with a hydraulic telescopic cylinder; the top end of the hydraulic telescopic cylinder is fixedly connected with a cantilever beam; the lower end of the right side of the cantilever beam is fixedly connected with a bearing, and the inner ring of the bearing is fixedly connected with a rotating shaft; a dispersion bucket is placed on the upper side of the base, and the rotating shaft extends into the dispersion bucket; a plurality of rotating blades are fixedly connected to the upper potion of the rotating shaft; a pump body is arranged at the inner bottom of the dispersion bucket, and a pipeline is connected to the pump body; an outlet of the pipeline is right opposite to the position of the rotating blades; a first rotating grinding device is arranged outside therotating shaft; and a cavity is formed in the rotating shaft. The coating processing device based on the rotating grinding dispersion principle has the beneficial effects that liquid coating at the bottom of the dispersion bucket is pumped out by the pump body through the pipeline, the liquid coating is sprayed out through the pipeline and acts on the rotating blades, the rotating blades are pushed to rotate and drive the rotating shaft to rotate, and therefore power output is achieved.

The invention discloses a magnetic electricity mixed continuous driving method. The magnetic electricity mixed continuous driving method comprises the following steps: (1) a connection rod, a piston and a crank shaft are prepared; (2) a cylinder body, a pole changing coil and a drive coil are prepared;(3) a control system is prepared; (4) in an original state, the pole changing coil is power-off; (5) the pole changing coil is power-on, and the piston drives the connection rod to move; (6) a first drive coil is power-on, and the piston moves; a current of the first drive coil flows reversely, and the piston moves; (7) a second drive coil is power-on, and the piston moves; the first drive coil is power-off, the step (6) is repeated, and a third drive coil and an n drive coil are power-on and power-off in sequence; (8) the control system controls the current direction of the pole changing coil to enable the current to flow, and actions of the step (6) and the step (7) are repeated; (9) actions of the steps (5), (6), (7) and (8) are repeated, and driving methods of magnetic electricity mixed continuous driving and output motive power driving are achieved. The invention further discloses a motive power device of the magnetic electricity mixed continuous driving.

The invention discloses a temperature-difference power conversion method and belongs to the technical field of the steam generation methods. The method is capable of realizing power output based on normal-state temperature difference; the following technical proposal is adopted: a temperature-difference power conversion core component in a temperature-difference power conversion system is manufactured by use of a method of vacuumizing first and then injecting a volatile liquid as a working medium in the manufacturing process; temperature difference acquisition is carried out by use of a guide method, a replacement method and a direct contact method and the temperature difference acquired is enabled to act on the temperature-difference power conversion core component so as to realize power output of the temperature-difference power conversion system; the temperature-difference power conversion method is mainly used for power output or converting the power into electric energy and then transmitting the electric energy to electricity users.

An antitheft scheme for a hybrid electric vehicle comprises the following steps that the position of an automobile key on an ignition switch is judged; only when the automobile key is in the power start position, a gearbox controller is in an activation and sends enciphered information in the automobile key to an antitheft controller; the antitheft controller compares the enciphered information with standard information; and the antitheft controller feeds a comparative result signal back to the gearbox controller. According to the scheme, encryption verification is mainly conducted between the antitheft controller and the gearbox controller, and the full vehicle antitheft function is achieved by controlling suction closing of a clutch based on a verification result.

The invention relates to an automatic transmission capable of outputting power as far as possible in a gear shift process. The front end of an outer shaft I provided by the invention is connected and fixed with a shell; the rear end of the outer shaft I is connected with the front end of a protrusion of an inner shaft I; the rear end of the inner shaft I is connected with the front end of a shaft II; an odd shaft and an even shaft are respectively installed in the shell and are positioned at the two sides of the shaft II; the odd shaft and the even shaft are all provided with two unidirectional clutches; a unidirectional clutch is externally provided with a band-type brake, and the other unidirectional clutch is externally provided with a constant mesh gear; the unidirectional clutches on the odd shaft and the even shaft are externally and respectively provided with a constant mesh gear which is meshed with the gear of an inner shaft I; and the unidirectional clutch which is externally provided with the constant mesh gear on the odd shaft or the even shaft is internally provided with a synchronizer between the odd shaft and the even shaft. According to the invention, in the process of gear shift by combining with the clutches, the original gear still works, the transmission outputs power as far as possible in the gear shift process, when an automobile slides backwards after start and stop in ascent, the automobile is locked automatically without the match of a brake.

The invention provides a two-gear speed changing box and electric automobiles and relates to the technical field of automobiles. The two-gear speed changing box comprises a shell, an input device, a gear shifting device and a shifting fork device, wherein the input device comprises a power input shaft pivotally connected with the shell, a driving large gear and a driving small gear fixedly connected with the power input shaft; the gear shifting device comprises a middle shaft, a synchronizer component connected with the middle shaft, and a driven large gear and a driven small gear pivotally connected with the middle shaft; the driving large gear is meshed with the driven small gear; the driving small gear is meshed with the driven large gear; the synchronizer component is capable of connecting the driven large gear or the driven small gear with the middle shaft; the shifting fork device comprises a shifting fork for driving the synchronizer component to move, a driving part for drivingthe shifting fork to move and an angle sensor electrically connected with the driving part and used for adjusting the rotating angle of the driving part. The two-gear speed changing box has the characteristics of high practicability and high power.

The invention discloses a turbo type air engine assembly which comprises an air storage tank, a constant pressure air tank, a pressure controller, an air distributor, a turbine engine, an electromagnetic booster, an angular displacement sensor, a solar device and a controller. The air storage tank is communicated with the constant pressure air tank through an air valve, the constant pressure air tank is communicated with the pressure controller, the turbine engine is provided with at least two turbine rooms, the air distributor is respectively communicated with the pressure controller and the turbine rooms, the electromagnetic booster is arranged on a rotating shaft of the turbine engine and supplies reinforcement to the rotating shaft, the angular displacement sensor detects the angular displacement of the rotating shaft, the solar device is electrically connected with the controller, and the controller controls the operations of the air valve, the pressure controller, the air distributor, the electromagnetic booster and the angular displacement sensor. The turbo type air engine assembly is simple in structure and convenient to control, and can improve the sustainability of an automobile.

The invention discloses a solar heat energy power system based on multistage pressurization condensation. The solar heat energy power system based on multistage pressurization condensation comprises a heat collecting device, a gasifying device, a turbine, a condensing device and a one-way hydraulic pump for realizing circulating communication through circulating pipes; circulating working mediums are filled in the circulating pipes; the heat collecting device and the gasifying device are mounted in a solar light collecting cover; the condensing device is mounted out of the solar light collecting cover, and includes a condensing pipe, a cooling fan and multiple pressurization mechanisms; the cooling fan is mounted above or below the condensing pipe; and the pressurization mechanisms are uniformly distributed at the middle part of the condensing pipe stage by stage. The solar heat energy power system based on multistage pressurization condensation is quicker in condensing speed, can reduce the condensation energy discharge and improve the heat energy conversion efficiency, and is stable in operation and adjustable in power.

The invention discloses a hybrid power transmission and a hybrid power driving system. The hybrid power transmission comprises a first input shaft, a second input shaft, an output shaft, a coupling gear pair, a first gear shifting gear pair and a second gear shifting gear pair, wherein the coupling gear pair is arranged between the first input shaft and the second input shaft, the coupling gear pair is used for coupling the power of the first input shaft and the power of the second input shaft and transmitting the power to the output shaft, the first gear shifting gear pair and the second gearshifting gear pair are located on the two sides of the coupling gear pair correspondingly, a second clutch enabling the output shaft to be in transmission connection with or separated from the firstinput shaft is arranged on the first gear shifting gear pair, and a third clutch enabling the output shaft to be in transmission connection with or separated from the second input shaft is arranged onthe second gear shifting gear pair. The hybrid power driving system comprises a battery pack, a first inverter, a second inverter, a first power source, a second power source, a differential mechanism and the hybrid power transmission. According to the hybrid power transmission and the hybrid power driving system, the fuel consumption can be reduced, and the electric energy utilization rate can be improved.

The invention provides an explosive-proof straight travel electric actuator, capable of solving the problem that the traditional electric actuator cannot be switched back and forth between manual operation and electric operation. The explosive-proof straight travel electric actuator comprises a shell; a valve rod, a motor, a manual shaft, a worm, a worm wheel, a manual bevel gear, a clutch pawl and a switching handle, wherein the manual shaft is meshed with the manual bevel gear; a clutch pawl sleeve is linked with the valve rod, and the clutch pawl can be driven to rotate by the manual bevel gear; a compression spring I is arranged between the clutch pawl and the manual bevel gear; the worm wheel is linked with the valve rod and is driven by the motor; a clutch rack is arranged between the worm wheel and the clutch pawl; one end of the clutch rack is hinged with a safety pin; the switching handle is provided with a shifting block and a volute spiral spring; a back-up block is hinged in the shell; a compression spring II is arranged between the shifting block and the back-up block; the upper end of the shifting block is provided with a lobe abutting on the other end of the clutch rack and the upper end of the back-up block. The explosive-proof straight travel electric actuator has the advantages of manual semi-automatic switching operation and electric semi-automatic switching operation.

The invention provides a dynamic coupling system for a hybrid vehicle, which comprises an engine, a two-stage planetary gear mechanism, a first motor and a second motor, wherein the first motor is a hollow shaft motor and the second motor is a solid shaft motor; the output shaft of the engine is connected with the gear ring of the two-stage planetary gear mechanism; the hollow shaft of the first motor is connected with the sun gear of the two-stage planetary gear mechanism; the solid shaft of the second motor passes through the hollow shaft of the first motor to be connected with the planet carrier of the two-stage planetary gear mechanism; and thus, the power output by the engine serving as one power source and the power output by the second motor serving as the other power source are coupled by the two-stage planetary gear mechanism and output to a transmission shaft. The system has a simple structure and small volume, can save space and can be controlled simply; and thus, the system is suitable to be used as a power transmitting device for a front-engine rear-drive vehicle. Through the coordinated control over the engine, the first motor and the second motor, power outputs under different vehicle conditions can be realized.

The invention discloses an on-line stepless continuous speed change transmission device without vehicle stop. The on-line stepless continuous speed change transmission device is mainly composed of a box body, an input module, an intermediate module, a speed change module, an output module, and a tension spring. The input module comprises an input shaft and a supporting sleeve. The intermediate module comprises a control wheel, a bearing cover, a radial load bearing, an axial load bearing, a power cylinder, and a power disc. The speed change module comprises a shifter fork, a guide rail, a sliding block, a crank, and a shifter fork driving shaft. The output module comprises a friction wheel, a transmission cylinder, and an output shaft. The power disc and the supporting sleeve are arrangedaround the input shaft, and are connected by the tension spring extending in the axial direction. The tension spring is always in the stretched state. The structure is compact and operation is easy. On-line continuous stepless speed change of the transmission system is achieved without device stop during transmission operation of a machine, and accurate speed control is achieved.

The invention relates to a connecting rod of a two-stroke diesel engine with opposed pistons. One end of the connecting rod (5) is a small-end side while the other end per se is a big-end side; the small-end side is set into a fork structure with a U-shaped middle hollow part; the fork structure is internally provided with a rocker arm lower pin (6); a rocker arm (13) is mounted in the U-shaped structure through the rocker arm lower pin (6); and the big-end side is internally provided with a bearing bush (4) which is connected with a crank pin of a crankshaft. The connecting rod of the two-stroke diesel engine with the opposed pistons, disclosed by the invention, has the advantages of realizing the purpose of connecting the crankshaft with the rocker arm and realizing power output as the small end of the connecting rod adopts a U-shaped structural design with the hollow middle part, and the rocker arm is mounted in the U-shaped small end through the rocker arm lower pin, simplifying the connecting rod structure, strengthening coupling stiffness and lowering reciprocating inertial force.

The invention provides a dual-motor control system and method. When the dual-motor control system is used, a vehicle control unit generates and sends torque instruction information to a main motor according to an operation instruction so as to control the main motor to output main driving power, a transmission decelerates and increases torque of the rotating power received by the input end of thetransmission according to a speed change instruction sent by the vehicle control unit and then outputs the rotating power from the output shaft of the transmission. The output shaft of the transmission is connected with an auxiliary motor in a follow-up mode, the output shaft of the auxiliary motor is in transmission connection with a vehicle transmission shaft, and the auxiliary motor can providecertain auxiliary power for the vehicle transmission shaft. When large power is needed, two motors can provide power for the vehicle transmission shaft at the same time. When one motor breaks down, the other motor can provide power in a standby mode to enter a limp mode.

The invention discloses a closed cold and heat cycle engine, which comprises two sealed cycle pipelines and one sealed cavity, wherein working medium gas is filled in the two sealed cycle pipelines, a front piston cylinder and a back piston cylinder are arranged on the sealed cavity, the two sealed cycle pipelines are respectively connected onto the front piston cylinder and the back piston cylinder, a rotating shaft is arranged in the sealed cavity, one end of the rotating shaft is connected with a flywheel, a front crack and a back crank with a phase angle being 180 degrees are respectively connected onto the rotating shaft, the front crank is connected with a piston arranged in the piston cylinder, the back crank is connected with a piston arranged in the back piston cylinder, a valve A is respectively arranged between the upper part of the heating end and the upper part of the cooling end in the two sealed cycle pipelines, and a valve B and a valve C which are positioned at the two sides of the connecting pipeline are respectively arranged between the lower part of the heating end and the lower part of the cooling end in the two sealed cycle pipelines. The closed cold and heat cycle engine has the advantages that the structure is simple, the energy source consumption is less, and the motive power conversion efficiency is very high.

The invention discloses a bidirectional non-return gear box. A gear motor is fixed to a shell of the gear box; a transfer mechanism is arranged in the gear box; the transfer mechanism is connected with the gear motor through a chain; a chain tensioning mechanism is arranged outside the gear box; the transfer mechanism is provided with two transfer shafts, and the two transfer shafts are connectedthrough a two-way backstop; the gearbox is provided with an output shaft, synchronous belt wheels are arranged at the two ends of the output shaft, and the output shaft is in gear transmission with atransfer shaft; and the gear box is provided with a manual emergency rotating shaft, and the manual emergency rotating shaft is in gear transmission with the other transfer shaft. By arranging a poweroutput system with a non-return structure, when the output power fails to work suddenly, the problem that a lifting mechanism in transmission with the gear box falls suddenly is avoided. By arrangingthe two gear motors, when the motor for achieving power output breaks down, a structure capable of immediately completing backup power output is provided, to solve the problem that no power source exists.

The invention provides a gear-driven opposed piston engine. The engine comprises a pair of opposed pistons, a rack, a first intermittent gear, a first coaxial gear, a second intermittent gear, a second coaxial gear and an output gear, wherein the two opposed pistons are fixedly connected through the rack, transmission teeth are symmetrically distributed on two opposite sides of the rack, and the transmission teeth on two sides mesh with the first intermittent gear and the second intermittent gear respectively; the first intermittent gear meshes with the output gear through the first coaxial gear connected with the first intermittent gear, and the second intermittent gear meshes with the output gear through the second coaxial gear connected with the second intermittent gear. The engine hasthe following advantages: linear reciprocating motion of the two opposed pistons is directly converted into rotation of the gears through a group of intermittent gear and rack mechanisms, power outputof the two opposed pistons is realized simultaneously, the whole transmission system is simplified, and a new possibility is provided for improving compactness of the engine.

The invention provides an energy storage type active energy harvesting device. The energy storage type active energy harvesting device comprises a cavity, an energy storage module, a transmission module and an energy conversion module. The energy storage module is fixed inside the cavity, one end of the energy storage module is connected with the input end, and the other end of the energy storagemodule is connected with one end of the transmission module. The other end of the transmission module is connected with one end of the energy conversion module, and the other end of the energy conversion module is an electric energy output end. When the input end inputs mechanical energy, the energy storage module stores the part of mechanical energy, the stored mechanical energy is then transmitted to the energy conversion module through the transmission module, and the energy conversion module converts the part of mechanical energy into electrical energy for output. The energy storage type active energy harvesting device can convert the short-time and high-power mechanical energy input into long-time, continuous and asynchronous output electric energy.