18results about How to "Compact and lightweight" patented technology

The invention relates to the technical field of medical robots, and particularly discloses a multi-degree-of-freedom ankle training mechanism and a simulation and movement assisting robot. The multi-degree-of-freedom ankle training mechanism comprises a base, a moving part and a telescopic driving mechanism, the moving part comprises a moving base plate, a pedal plate and a rotary driving mechanism, and the moving base plate is connected with the base through a first universal hinge; the telescopic driving mechanism is arranged on the base, and a telescopic rod of the telescopic driving mechanism is connected with the moving base plate through a second universal hinge. According to the scheme, the telescopic driving mechanism is arranged on the base, and the movement base plate and the pedal plate are driven by a simpler mechanism to rotate at multiple degrees of freedom, so that the size and movement inertia of movement parts are greatly reduced, and the overall structure is more compact and light. The motion response speed and the dynamic performance of the multi-degree-of-freedom ankle training mechanism can be improved, the multi-degree-of-freedom ankle training mechanism can be integrated into a simulation and motion assisting robot platform more easily, and the system integration degree is improved.

The invention discloses an exoskeleton fingertip integrating a fingertip sensing function and a vibration feedback capability. The exoskeleton fingertip can provide stable fingertip pressing force sensing and corresponding vibration feedback capability. The fingertip interaction force sensing part of the fingertip is composed of a hard fingertip pressing plate, a soft silica gel gasket and a group of piezoresistive film sensor arrays, and the vibration feedback part of the fingertip module is provided with vibration feedback by a vibration motor. By controlling the frequency, the amplitude and the duty ratio of the vibration motor, the simulation of the feeling of tangential force, sliding speed, textures during interaction and the like is realized respectively. According to the design, more stable fingertip force and touch feedback can be provided for the hand exoskeleton, so that more stable and finer hand teleoperation is performed, and the experience feeling of an exoskeleton user is improved.

The utility model discloses a novel refrigeration massage head, including metal radiator, a plurality of heat dissipation channels are equipped with from inside to outside to metal radiator, the end face of metal radiator is equipped with fixed frame, be equipped with the hollow placement of fixed frame, be used for the refrigeration piece to pass, the one end surface of refrigeration piece and the end face of metal radiator are pasted, the other end surface and contact board are pasted, the contact board is fixed and is located in fixed frame, the end cap is installed to the other end surface of metal radiator, be equipped with the connecting portion on the end cap, be used for with external movable device connection, the outside of metal radiator is exposed in the outside space, adopts the mode of clamping to fix metal radiator to the outside of metal radiator is exposed, can directly contact with the outside, thereby promote the heat dissipation effect, secondly utilize the pressure difference of high -speed motion to make the heat that accumulates in the inside can smoothly lead out, further promote the heat dissipation effect.

The utility model relates to a portable tooth whitening instrument which comprises a sealing bin, the sealing bin is provided with a concave containing groove and a rotating space, one end of the rotating space extends to be communicated with the containing groove, and the other end of the rotating space extends to the edge of the sealing bin to form a notch; the bin cover is rotationally arranged at the top of the sealing bin; and the tail part of the whitening assembly is provided with an extension arm, the extension arm is rotatably arranged in the rotating space through a rotating shaft, and the extension arm is driven by an external force to rotate so as to drive the whitening assembly to be screwed in or out of the accommodating groove. Through a rotary sealing structure of the sealing bin and the bin cover, a closed storage space is formed, external pollutants and bacteria are effectively isolated, meanwhile, the size of the device is matched with that of the whitening assembly, and the whole structure is compact and light; and the whitening assembly is rotationally connected with the sealing bin through the rotating shaft of the tail extension arm, so that the use angle is allowed to be rotationally adjusted, and the component is ensured not to be separated from the main body forever.

The utility model provides a single disc type hill drop planter performance test test bench, including mechanical frame, negative pressure fan, profiling adjusting device, single disc type hill drop planter and positive pressure air pump. Mechanical frame is the support main part, and the front end installation negative pressure fan provides adjustable seed taking negative pressure, and the middle part is suspended through the elastic profiling adjusting device hill drop planter and realizes the dynamic regulation of sowing depth, and the rear end is provided with positive pressure air pump and supplies the seed cleaning and seed throwing airflow. Test bench is equipped with digital pressure monitoring system, can real -time acquisition negative pressure seed taking and positive pressure seed throwing parameter, accurate simulation sowing process under different soil working condition, realizes sowing depth, air pressure and seed throwing track multi -parameter synchronous observation, has the characteristics such as flexible adjustment, data intuitionistic, provides efficient test platform for hill drop planter performance research.

The utility model provides a forklift which comprises a forklift body provided with a driving source. The fork arm assembly is arranged on one side of the vehicle body and comprises a connecting part connected with the driving source; the extension arm is fixedly arranged at the lower end of the connecting part, a mounting groove is formed in the bottom of the extension arm, and a load wheel set is pivotally connected to the mounting groove; the rotating piece is pivotally arranged on the connecting part and is hinged with the vehicle body; the transmission part is provided with a first end and a second end which are opposite, the first end is hinged to the rotating part, and the second end is hinged to the load wheel set; when the driving source drives the connecting part to lift, the rotating part rotates along with the lifting of the connecting part and drives the transmission part to swing so as to drive the load wheel set to pivotally extend out of the mounting groove and abut against the ground, and the cargo tray is jointly borne by the vehicle body and the load wheel set. When the driving source drives the connecting part to descend, the rotating part rotates reversely along with descending of the connecting part and drives the transmission part to swing reversely, so that the load wheel set is driven to reversely pivot and retract into the mounting groove, and the mounting groove of the extension arm is suspended.

The utility model relates to a movable small crane, which comprises a cantilever assembly, a lifting rope, a stand column, a driving piece and a base, the base is provided with wheels, the stand column is vertically fixed on the base, the cantilever assembly is arranged on the stand column, the lifting rope is arranged on the cantilever assembly, and the end part of the lifting rope is provided with a lifting appliance. The driving part is arranged on the cantilever assembly, is in transmission connection with the lifting rope and is used for driving the lifting appliance to lift; the cantilever assembly comprises a cargo boom, a rotating arm and a connecting arm, the cargo boom is connected with the rotating arm through the connecting arm, the rotating arm is perpendicular to the stand column and rotationally connected with the stand column, and the stand column can stretch out and draw back in the axial direction of the stand column so that the height of the cantilever assembly can be changed relative to the base; a first bearing is arranged between the connecting arm and the stand column so that the cantilever assembly can rotate relative to the central axis of the stand column. The movable small crane provided by the utility model is small in overall structure, good in flexibility and capable of being used in a narrow space.

The application discloses a motorcycle, comprising a frame, a vehicle body cover arranged at least partially on the frame, a walking assembly connected at least partially to the frame, a driving assembly for driving the walking assembly, the driving assembly comprising a housing and a lubricating assembly, wherein the housing is formed with an accommodating space, the lubricating assembly comprises an oil pump and a scavenging pump assembly, the oil pump and the scavenging pump assembly are fixedly connected, and the oil pump and the scavenging pump assembly are arranged in the accommodating space. By integrally arranging the oil pump and the scavenging pump assembly, the space occupied by the lubricating system during arrangement is reduced, the driving assembly of the motorcycle is arranged more compactly and light in weight, the windward area of the driving assembly is reduced, and the resistance of the motorcycle during driving is reduced.

This utility model discloses a tail-winding pressure roller mechanism with diaphragm flattening function and a tail-winding device having the same. The tail-winding pressure roller mechanism includes a pressure roller and a support assembly. The support assembly is provided with a rotating shaft, which is rotatably connected to the pressure roller. Thus, during tail-winding, the pressure roller can press the tail-winding diaphragm against the surface of the battery cell. A gas passage for gas flow is formed inside the support assembly. The two ends of the gas passage form an air inlet and an air outlet on the support assembly, respectively. One end of the air inlet is connected to a gas supply device. Thus, during tail-winding, the air outlet releases flattening airflow to the tail-winding diaphragm, effectively preventing the tail-winding diaphragm from folding and sticking, and improving the tail-winding effect.

This utility model relates to the field of agricultural production technology, specifically a convenient hemp harvesting device, comprising: a protective shell, a connecting base fixedly connected to the lower end of the protective shell, a first connecting shaft connected to one side of the lower end of the connecting base, a cutting blade connected to one side of the outer wall of the first connecting shaft, a fixing block fixedly connected to one side of the outer wall of the lower end of the connecting base, a second connecting shaft movably connected to one side of the fixing block, a threaded groove formed on one side of the outer wall of the lower end of the fixing block, a limiting plate movably connected to one side of the outer wall of the second connecting shaft, a slot formed on the limiting plate, a connecting groove formed at the other end of the limiting plate, and a hand-tightening bolt movably connected to one side of the limiting plate. This utility model solves the problems of existing agricultural production devices having complex cutting blade fixing methods, often requiring multiple tools for disassembly and replacement, and some traditional devices lacking convenience and practicality in design, seriously affecting the progress of harvesting operations.

The utility model belongs to the technical field of agricultural machinery, and discloses a rechargeable portable green walnut peeling machine which comprises a protection box arranged on a walking vehicle convenient to move. The driving assembly is arranged in the protection box and serves as a power source for green walnut peeling. The arc-shaped peeling channel is arranged in the protection box, a first discharge port and a second discharge port are formed in the lower end of the peeling channel, and the first discharge port and the second discharge port communicate with the outside of the protection box; the peeling mechanism comprises a driving wheel and a cutter assembly which are correspondingly arranged, the driving wheel is in transmission connection with the driving assembly, and the cutter assembly is arranged in an arc shape and elastically installed in the peeling channel. The green walnut peeling device is light and compact in structure, flexible to operate, high in protection performance, convenient to flexibly use in an orchard, wider in application range, higher in peeling efficiency of green walnuts in the orchard and higher in quality of obtained walnuts, and is suitable for large-scale popularization and application.

This utility model provides a vacuum shell suction device, belonging to the technical field of shell suction devices. It solves the technical problems of high purchase cost and inflexibility in small pond operations of existing shell suction devices. A vacuum shell suction device includes a cylindrical outer shell, with one end closed to form a sealing section and the other end open to form an inlet section. An air suction pipe is fixedly connected to the outer side of the outer shell, and a vacuum pump for vacuuming is connected to the outside of the air suction pipe. A shell suction component is fixedly installed inside the outer shell, forming an air suction chamber between the outer shell and the shell suction component. A filter screen is fixedly connected between the inlet section and the shell suction component. The air suction chamber connects the inner channel of the air suction pipe and the mesh of the filter screen. One end of the shell suction component extends outward from one end of the sealing section to form a shell outlet, and the other end is a shell suction port. A sealing cap is oscillatingly connected to the end of the shell suction component at the shell outlet. A suction pipe is fixedly connected to the outside of the inlet section. This utility model has a compact and lightweight overall structure, suitable for flexible operation in complex environments such as shallow seas and ponds.

The utility model discloses a pedal travel simulator which comprises a hydraulic unit with a piston cavity and a simulator unit with a piston, a shell, a spring I, a spring II, a rubber spring, a simulator ejector rod and an overflowing hole disc. The shell and the hydraulic unit are fixed to form a closed space in the mode that the shell is opposite to an opening of the piston, the two ends of the spring I act on the shell and one end side of the overflowing hole disc respectively, the two ends of the spring II act on the piston and the other end side of the overflowing hole disc respectively, and the simulator ejector rod is of a T-shaped structure comprising a leg part and a head part. The leg part penetrates through the overflowing hole disc and the spring I from the other end side of the overflowing hole disc to be fixed to the bottom of the shell, the rubber spring is arranged in the piston, one end of the rubber spring acts on the piston, and the other end of the rubber spring can act on the T-shaped head of the simulator ejector rod. Therefore, the force value can be accurately controlled, the overall size and weight are reduced, and the structure is compact and light.

The invention relates to a variable-rigidity metatarsophalangeal joint based on torsion spring and connecting rod combination and a foot type robot. The variable-rigidity metatarsophalangeal joint comprises a rear sole, a front sole, a metatarsophalangeal joint rotating shaft, a torsion spring, a connecting rod, a supporting and pulling rod and a driving module. The front sole is rotationally connected with the rear sole through a metatarsophalangeal joint rotating shaft; the supporting and pulling rod is connected to the driving module and the connecting rod, the metatarsophalangeal joint rotating shaft is sleeved with a spring ring of the torsional spring, the torsional spring is hinged to the other end of the connecting rod, and the other end of the torsional spring is connected with the forefoot; the driving module is fixedly arranged on the rear sole and used for driving the supporting and pulling rod to reciprocate along the rear sole. The supporting pull rod slides to drive a spring coil of the torsional spring to rotate forwards or reversely around a metatarsophalangeal joint rotating shaft through the connecting rod, and the front foot sole is driven to do back stretching or plantar flexion movement relative to the rear foot sole. The supporting and pulling rod enables the torsion spring to generate different torsion angles when the front sole bears external force at different sliding positions, the rigidity of metatarsophalangeal joints is changed, back stretching and plantar flexion movement can be actively achieved, and meanwhile the rigidity and angle adjusting capacity is achieved.

The application discloses a land-air amphibious morphing unmanned aerial vehicle based on a flexible phase change switching actuator. The unmanned aerial vehicle comprises four variable stiffness components, a driving component, a first frame, a motion executing component, a sliding component and a clamp; the driving component is arranged on the sliding component, the driving component is provided with the first frame, the periphery of the first frame is provided with a plurality of motion executing components, each motion executing component is connected with the first frame through a respective variable stiffness component, and both ends of the variable stiffness component are provided with a clamp for connecting the motion executing component and the first frame. The land-air amphibious morphing unmanned aerial vehicle based on the flexible phase change switching actuator can realize repeated reversible working state switching and land-air amphibious motion, has great significance for the motion and work of the unmanned aerial vehicle in a complex environment, and has higher self-sustaining ability and adaptability to the complex environment, and has great application prospect.

The utility model relates to the technical field of vitamin production, in particular to a finished product detection device for natural vitamin E. The finished product detection device comprises a box body and a plurality of reagent bottles, a box cover is hinged to the top of the box body, a partition plate is arranged in the box body, a plurality of inserting holes a are formed in the top of the partition plate, a rectangular opening is formed in the middle of the partition plate, and a collecting container is arranged at the rectangular opening. A liquid pouring pipe is arranged at the top of the collecting container, a pipe cover is in threaded connection with a port of the liquid pouring pipe, a sponge bottom pad is arranged at the bottom of the inner wall of the kit body, and a rubber sleeve is sleeved on the outer wall of the reagent bottle. According to the finished product detection device for natural vitamin E production, through the sealing design of the collection container and the liquid pouring pipe, concentrated recovery and sealed storage of detection waste liquid are achieved, environmental pollution caused by leakage of the waste liquid is avoided, and the green and environment-friendly requirements are met; and the reagent bottle is not easy to shake or damage in the transportation and detection processes.

This utility model proposes a telescopic belt conveyor, including a main frame; a telescopic frame that can extend and retract relative to the main frame; a telescopic mechanism for driving the telescopic frame to reciprocate, including a motor mounted on the main frame and a gear and rack transmission assembly connected to the motor; and a belt conveying mechanism including an electric roller and a ring conveyor belt, the conveyor belt being wrapped around the main frame and the telescopic frame. The electric roller is mounted on the main frame, and the electric roller integrates the conveyor motor inside its cylinder, serving as the sole drive wheel for driving the conveyor belt. By using an electric roller, the belt conveying drive system is completely integrated inside the roller, eliminating the need for an external drive system and significantly saving space. At the same time, the telescopic drive part also adopts a compact gear and rack design, ultimately making the overall structure much more compact and lightweight than the traditional dual external motor solution.

The invention provides a double-sided forced air cooling heat dissipation system for a direct-current charging pile liquid cooling gun, and belongs to the technical field of electric vehicle charging equipment. The system comprises a charging gun, a liquid cooling heat dissipation system and a double-sided heat dissipation cooling mechanism integrated in the liquid cooling heat dissipation system. The mechanism is mainly composed of a cooling pipe with cooling fins, an installation frame, a cooling fan and an exhaust fan, wherein the cooling fan and the exhaust fan are coaxially and oppositely arranged, and a penetrating type forced convection air channel is formed. The key lies in that a self-adaptive flow guide assembly is arranged on the air inlet side between the cooling fins, senses the temperature through a bimetal wave sheet, and drives a guide plate to form a V-shaped structure, so that air flow is dynamically restrained and guided to flow close to the surfaces of the cooling fins. The problems that a traditional liquid cooling gun heat dissipation system is limited in heat dissipation efficiency, large in size and weight and high in cost and lacks the capacity of optimizing airflow distribution in a self-adaptive mode according to heat loads are solved in a pure mechanical mode, and efficient, compact and reliable intelligent heat management is achieved.