285results about How to "Compact and lightweight" patented technology

The invention relates to a lower limb rehabilitation training exoskeleton with bionics design. An existing lower limb rehabilitation training exoskeleton is complex in driving structure, low in the response speed and not ideal in rehabilitation training effect, and lacks bionic consideration. The lower limb rehabilitation training exoskeleton comprises a waist tightening mechanism and lower limb exoskeleton leg rods, wherein the waist tightening mechanism is connected with the waist of a wearer, the left lower limb exoskeleton leg rod and the right lower limb exoskeleton leg rod respectively have four degrees of freedom and achieve three degrees of freedom of hip joints through a hip joint adduction and abduction mechanism, a hip joint bending and stretching mechanism and a hip joint medial rotation and lateral rotation mechanism. The axes of the three rotation degrees of freedom are orthogonal at the motion center of the hip joints of the human body. The rotation center of a knee joint bending and stretching mechanism moves along with the rotation center of the knee joints of the human body, so that the exoskeleton and the rotation center of the knee joints of the human body are always kept in the same axis. The hip joint bending and stretching mechanism and the knee joint bending and stretching mechanism are directly driven by a motor in cooperation with a speed reducer. The lower limb rehabilitation training exoskeleton is compact and portable in structure, man-machine interference force is avoided, damage caused by rehabilitation training to the knee joints is reduced, and the whole rehabilitation training becomes more natural and easier.

The invention relates to an obstacle-crossing travelling mechanism for an inspection robot. The obstacle-crossing travelling mechanism comprises at least three groups of travelling components, a detecting feedback unit, and a signal control unit, wherein the at least three groups of travelling components are arranged inside a device frame along a power transmission cable direction in sequence; each group of travelling components comprises a drive wheel and a tightening wheel, which are arranged on the two sides of the power transmission cable and rotate and travel along the wires by friction on the side surface of a wire cable; the detecting feedback unit for detecting the obstacles on the circuit is arranged on the front travelling components among the three groups of travelling components; the signal control circuit is used for sending the control signal to the at least three groups of travelling components according to the circuit obstacle detection result of the detecting feedback unit, and controlling the drive wheel and the tightening wheel of each group of travelling components to separate from the power transmission cable, so that the circuit obstacles are crossed. The obstacle-crossing travelling mechanism uses the friction force generated by the drive wheel and the tightening wheel to drive the inspection robot device to travel, and a plurality of groups of travelling components are controlled in sequence in the travelling process to automatically cross the obstacles, so that the structure of the obstacle-crossing travelling mechanism is light and compact.

An automatic transmission includes a single-pinion first planetary gear, a double-pinion second planetary gear, a single-pinion third planetary gear, a single-pinion fourth planetary gear, clutches C1, C2, C3, and C4, and brakes B1 and B2. First to ninth forward speeds and a reverse speed are established by engaging three of the clutches C1 to C4 and the brakes B1 and B2 and disengaging the remaining three clutches and brakes.

The invention relates to a sliding mechanism for obstacle crossing of a line inspection robot. The sliding mechanism comprises at least three groups of sliding assemblies mounted in an equipment rack in sequence along a direction of a power transmission cable; and each group of sliding assemblies are provided with sliding suspension wheels which are suspended on the power transmission cable and can slide under driving of the equipment rack. In addition, the sliding mechanism further comprises a detection feedback unit located on the sliding assemblies at the front side and used for detecting circuit obstacles, and a signal control unit for sending a control signal to the at least three groups of sliding assemblies according to circuit obstacle detection results to control the sliding suspension wheels in each group of sliding assemblies in sequence to deviate from the power transmission cable along the direction of the power transmission cable so as to cross the circuit obstacles. According to the sliding mechanism for obstacle crossing of the line inspection robot equipment and the line inspection robot equipment provided by the invention, the overall weight of the equipment can be supported by the sliding suspension wheels on the power transmission cable, and the plurality of groups of sliding assemblies can be controlled in sequence to automatically cross the obstacles in a sliding process; and the sliding mechanism and the inspection robot equipment are portable and compact in structure.

The invention provides a vehicle-mounted battery pack heat management system which comprises a battery heat exchange system and an air-conditioner heat exchange system, wherein the battery heat exchange system comprises a circulating pump, a heat exchanger and a battery pack; the battery pack, the circulating pump and the heat exchanger are connected through a circulating pipeline containing a heat exchange liquid inside; a switch valve is arranged between the circulating pump and the heat exchanger; and the air-conditioner heat exchange system comprises a compressor, a radiator A and a radiator B which are connected through a circulating pipeline containing an air conditioner cooling medium inside. The vehicle-mounted battery pack heat management system is formed only by modifying an original air conditioner system, so that the vehicle-mounted battery pack heat management system is simple in structure and convenient to implement; and when the heating capacity of the battery pack is not strong, the vehicle-mounted battery pack heat management system can satisfy the radiation demand of the battery pack only by utilizing the original components in the air conditioner, thereby lowering the energy consumption and protecting the environment.

The invention relates to a catalytic combustion heat exchanger. The main body is plate-fin structure and is constituted by welding with several head plate. The flow of logistics between combustor and evaporator is cross-flow and cavities are isolated by heat-conducting plate. Catalytic combustion reaction between combustible gas and air happens in the combustor to discharge mass heat energy and most of heat energy is transferred to the steam cavity through heat-conducting plate. The invention is provided with mild reaction temperature of catalytic combustion, high energy efficiency, very small pollution and friendship to circumstance. It is also provided with stable running, easy operation and compact structure. By parallel treatment of multiple cells evaporation capacity is expanded. The catalytic combustion heat exchanger, as civil hot water supply device, has a potential meaning. The catalytic combustion heat exchanger is widely applied in coupling reaction system of strong reaction heat and suction heat, and the process where reaction objects are pretreated. It is especially applied in preheating and steaming of liquid stock in fuel battery hydrogen production system, field hydrogen production system and hydrogen production of concentrated scale station.

There is disclosed a reusable shipping pallet formed from plastic parts and a method of assembling the same. The pallet comprises at least two I-beam constructs, each of the I-beam constructs having a first beam end, a second beam end and a longitudinal beam axis extending therethrough, each of the I-beam constructs having a top beam portion and a bottom beam portion, and each of the I-beam constructs having a dovetail projection along the top beam portion and extending in a direction parallel to the longitudinal beam axis; and at least one deck board having a first board end, a second board end and a longitudinal board axis extending therethrough, the at least one deck board having a top board portion and a bottom board portion, the at least one deck board having at least two dovetail slots formed in the bottom board portion, the dovetail slots being substantially perpendicular to the longitudinal board axis and being configured to compliment a shape of the dovetail projection; wherein the pallet is assembled by inserting each of the dovetail projections into a corresponding dovetail slot of the at least one deck board.

The invention relates to a self-generating schoolbag based on human body vibration energy collection. The self-generating schoolbag based on human body vibration energy collection comprises a backpack, a fixed back frame, a movable back frame, two springs, a gear-rack group, a speed reducer generator group, a rectifier, a group of storage batteries, and a charging and protection circuit. The self-generating schoolbag based on human body vibration energy collection is characterized in that (1) the fixed back frame, the movable back frame, the springs and the backpack form a vibration energy collection unit, so that vibration energy is produced, amplified and collected; (2) the gear-rack group and the speed reducer generator group form a mechanical energy-electric energy conversion unit; (3)the rectifier and the storage batteries form an electric energy rectifying and storing unit, so that the produced electric energy is filtered, collected and stored; and (4) the charging and protection circuit forms a functional peripheral and interface unit, so that a user can conveniently and quickly use the stored electric energy. The self-generating schoolbag based on human body vibration energy collection provided by the invention is light and compact in structure, high in comfort, low in cost, and high in generating capacity, and is a sustainable green energy device.

There is disclosed a reusable shipping pallet formed from plastic parts and a method of assembling the same. The pallet comprises at least two I-beam constructs, each of the I-beam constructs having a first beam end, a second beam end and a longitudinal beam axis extending therethrough, each of the I-beam constructs having a top beam portion and a bottom beam portion, and each of the I-beam constructs having a dovetail projection along the top beam portion and extending in a direction parallel to the longitudinal beam axis; and at least one deck board having a first board end, a second board end and a longitudinal board axis extending therethrough, the at least one deck board having a top board portion and a bottom board portion, the at least one deck board having at least two dovetail slots formed in the bottom board portion, the dovetail slots being substantially perpendicular to the longitudinal board axis and being configured to compliment a shape of the dovetail projection; wherein the pallet is assembled by inserting each of the dovetail projections into a corresponding dovetail slot of the at least one deck board.

The invention relates to a dust extraction device for a photovoltaic cell panel based on an ultrasonic motor, and the dust extraction device belongs to the field of renewable energy sources. The dust extraction device comprises an external frame arranged around the photovoltaic cell panel, wherein the external frame is formed by connecting a pair of parallel guide rails to a pair of parallel frame connection rods; a sliding rod is arranged between the two guide rails; the ultrasonic motor connected with the first guide rail is arranged at one end of the sliding rod; a sliding block connected with the second guide rail is arranged at the other end of the sliding rod; and a cleaning brush is arranged on a rod body of the sliding rod. According to the dust extraction device, the cleaning brush is driven by the ultrasonic motor to move on the surface of the solar cell panel, so that dust falls from the surface of the solar cell panel; negative effects of the surface dust on the power supply capability of the solar cell panel are reduced; the dust extraction device is light and compact in structure; the power supply capability is improved; and the maintenance cost is lowered.

A buckle includes a base made by pressing and formed with two walls, a cross member between the walls and a jaw between the walls. A jaw is made by rolling and formed with a cam, two non-circular blocks extending from the cam and two shafts extending from the non-circular blocks into an aperture defined in each of the walls of the base. A handle is made by pressing and formed with a touch portion and two non-circular braces for holding the non-circular blocks of the jaw. A handle is installed on the base so that a gap is defined between the jaw of the base and the jaw of the handle. The handle can be pivoted on the base between a first position where the gap is small and a second position where the gap is large. An elastic element tends to keep the handle in the first position.

The invention provides a miniaturized embedded radio monitoring direction-finding station system, which comprises a folded vertical-polarization correlation interferometer direction-finding antenna array, an electrical rotation unit, an RF amplifier module, a card receiver, a direction-finding control processing module, an embedded computer system, an environmental monitoring alarming module, a remote control module, a concentrator, a wired network transmission module, a wireless network transmission module, a control center, a lightning rod, a five-cell vertical-polarization active direction-finding antenna array and a five-cell vertical-polarization active direction-finding antenna array. The system has the advantages that the remote and automatic monitoring of a vertical-polarization radio signal is implemented; the card receiver, the embedded computer system, the monitoring direction-finding processing module, the network transmission modules and the like are integrated into a cabinet, and the light folded antenna array is equipped, so that the structure is compact and portable, and the installation and the maintenance are convenient; the networking is flexible, and the safe transmission of various wired/wireless network data is supported; and the radio spectrum management, the monitoring, the direction-finding positioning and the statistical analysis are implemented.

The invention discloses a vertical hoisting tool of a piston pin. The vertical hoisting tool comprises a collar bolt, an adjusting bolt, an elastic expansion sleeve, a conical ejection block and a conical ejection block anti-rotating mechanism, wherein a hoisting bolt is fixed on the upper end of the adjusting bolt, the adjusting bolt penetrates through the elastic expansion sleeve, the lower end of the adjusting bolt is in threaded connection with the upper end of the conical ejection block; and a plurality of axial elastic grooves are uniformly distributed at the lower part of the elastic expansion sleeve, the upper end and the lower end of the elastic expansion sleeve respectively extend in the radial direction to form an upper guide section and a lower expansion section, an inner conical hole in the lower end of the lower expansion section is matched with an outer conical surface of the middle part of the conical ejection block, and the conical ejection block anti-rotating mechanism is arranged on the lower end of the elastic expansion sleeve. The vertical hoisting tool is light and compact in structure, low in manufacturing cost and safe and convenient to use, and the piston pin can be rapidly clamped, hoisted or unloaded only by one person. The machining auxiliary cost of the piston pin is reduced, the working efficiency is improved by three times, and the entire operation process is labor-saving, safe and reliable.

The present invention relates to a regenerative fuel cell apparatus. The apparatus comprises a first insulating plate, an oxygen electrode current collecting plate, an oxygen electrode flow field plate, a membrane electrode, a hydrogen electrode current collecting plate, a hydrogen storage material chamber, and a second insulation plate, wherein the first insulating plate, the oxygen electrode current collecting plate, the oxygen electrode flow field plate, the membrane electrode, the hydrogen electrode current collecting plate, the hydrogen storage material chamber, and the second insulation plate are sequentially and tightly stacked and arranged. The regenerative fuel cell further comprises an air intake pipe and an air discharge pipe, wherein one end of the air intake pipe and one end of the air discharge pipe are communicated with the gas flowing channel of the oxygen electrode flow field plate, the other ends of the air intake pipe and the air discharge pipe are communicated with the outside air. The regenerative fuel cell apparatus further comprises a fan, wherein the fan is arranged toward the end of the air intake pipe, wherein the end of the air intake pipe is communicated with the outside air. The present invention further relates to a regenerative fuel cell system. According to the regenerative fuel cell apparatus and the regenerative fuel cell system of the present invention, the main body of the fuel cell and the hydrogen storage material form the integration, such that the problem of difficult hydrogen storage is solved, and the purposes of portability and compactness of the regenerative fuel cell energy storage are achieved.

The invention discloses a loudspeaker having a dual-membrane structure, in particular to a moving-magnetic and piezoelectric composite broadband loudspeaker and a driving method of the loudspeaker. The composite loudspeaker comprises a housing and a vibrating element installed in the housing, wherein the vibrating element comprises a first vibrating element and a second vibrating element; the composite loudspeaker further comprises a moving-magnetic driving component used for driving the first vibrating element vibrate and a piezoelectric driving component used for driving the second vibrating element vibrate. The moving-magnetic driving component of the loudspeaker provided by the invention is mainly used for replaying low-mid pitch; the piezoelectric driving component is mainly used for replaying mid-high pitch; the moving-magnetic part and the piezoelectric part have the same aperture, which can ensure a lower resonance frequency and ensure a larger acoustical output; a magnet, a concentrating flux plate and a concentrating flux bowl are directly connected with a vibration unit, thereby increasing the vibration mass, reducing the resonance frequency and further enhancing the bass effect; the composite loudspeaker has the advantages of compact and light structure, wide frequency band and so on.

The invention discloses a multifunctional carbon dioxide cleaning machine. The cleaning machine comprises an ice storage tank and a gas storage tank, wherein, the ice storage tank is equipped with an adjustable vibrator, and an upper flow baffle is arranged at an outlet of the ice storage tank and is connected with an adjustable speed rotary valve; the lower side of the rotary valve is equipped with a lower flow baffle, and an outlet of a hopper is connected with a Venturi tube fixed on the bottom of a case; a solenoid valve is arranged in a gas inlet pipeline of the Venturi tube and is connected with an outlet of a dry filter, an inlet of the dry filter is connected with a stop valve, and compressed air enters the dry filter via the stop valve and then enters the Venturi tube via the solenoid valve; an outlet of the Venturi tube is fixed on the bottom of the case, an insulating hose is connected with an outlet outside the case, and a spray gun is arranged on the front end of the hose and is connected with a nozzle through a rotatable joint; and a high-power electric heating wire is arranged outside the gas storage tank. The multifunctional carbon dioxide cleaning machine has the advantages of good on-line cleaning effect, high operating efficiency, no damage on the cleaning surface and no pollution, and is convenient for operation.

A compact and lightweight design for a printer device that is optimally portable. A printed circuit board assembly 22 incorporated in the printer device includes a control printed-circuit board 22a and a power printed-circuit board 22b arranged substantially in L-shaped fashion. A connector 23 electrically couples boards 22a and 22b to each other. The power printed-circuit board, on which large current flows, is located near a large current source. A charge circuit, battery contacts and a control circuit for applying voltage to a thermal head are mounted and concentrated on the sole power printed-circuit board. The control printed-circuit board 22a for controlling recording paper and ink ribbon feed, which require only small current, is located near a small current source, such as an actuator needed for feeding recording paper and an ink ribbon including a recording paper/ribbon feeding mechanism 17. The circuits for controlling recording paper feed and ink ribbon feed are mounted and concentrated on the sole control printed-circuit board 22a. The substantially L-shaped printed-circuit board assembly, serving as a motherboard, is incorporated in the printer device to realize the capabilities of the printer device.

The invention relates to mechanical arm joints, in particular to a modularized ball joint of a collaborative robot. The modularized ball joint of the collaborative robot comprises a shell and ball joint driving modules. A module supporting piece is fixedly installed on the shell, and a spherical shell cover is further installed on the shell. A first installation position and a second installation position are arranged on the module supporting piece, and the ball joint driving modules are fixedly installed on the first installation position and the second installation position and installed inside the shell in a sealing mode through the spherical shell cover. The modularized ball joint of the collaborative robot has the advantages that in the aspect of driving, hollow motors are used for driving, deceleration is conducted through harmonic speed reducers, and therefore high-torque transmission is achieved, the transmission accuracy is guaranteed, and the structure is compact and light; and in the aspect of braking, synchronous belt pulleys are utilized to conduct transmission, and therefore the driving portion and the braking portion are isolated, the space is saved, the braking performance is guaranteed, and the installation difficulty of the interior of the joint is reduced.

The invention discloses an all-fiber laser radar aerosol detecting device. The all-fiber laser radar aerosol detecting device comprises a signal emitting channel, a signal receiving channel and a signal processing channel, wherein the signal emitting channel is used for emitting a laser signal, the signal receiving channel is used for receiving the emitted laser signal and an echo signal produced by the part, emitted to the atmosphere, of the laser signal, the signal processing channel is used for converting the echo signal into an electric signal for performing analyzing, and the signal emitting channel, the signal receiving channel and the signal processing channel are all of an all-fiber structure. The all-fiber laser radar aerosol detecting device has the advantages of continuous high repetition frequency, high sensitivity and the like, the adopted all-fiber structure can detect signals with the picowatt magnitude reaching to 20 kHz, a very high temporal-spatial resolution is achieved, and the whole system is small in size and high in stability.