59results about How to "Simple and light structure" patented technology

A robot arm provided with a body unit shifting mechanism that connects a base unit and a body unit so as to be relatively shifted, and joint lock mechanisms that are capable of mechanically securing respective joints is disposed on the body unit, and a robot operation control unit controls to switch between a robot arm operation mode in which the robot arm is operated with one of the joints of the robot arm brought into a free state, and a body unit shift mode in which the body unit is shifted with the joint being brought into a locked state.

The present invention discloses a transparent solar cell system, which comprises: a light-permeable solar energy conversion device, balance units and conductive wires. The light-permeable solar energy conversion device has a transparent photovoltaic element, which is a PN semiconductor structure formed of two transparent conductive films. The transparent conductive films are respectively made of different oxides. The substrate of the transparent solar cell system is made of a common glass or a common plastic; therefore, the transparent solar cell system of the present invention is lightweight and environment-friendly. Further, the present invention has a simple fabrication process and a low fabrication cost; therefore, the present invention can be extensively applied to the windows and doors of buildings and vehicles and benefits the popularization of solar energy.

The present disclosure illustrates a wearable training device for gait rehabilitation and a method using the same. The training device includes: a power supply unit, a light emitting unit, a support member and a trigger unit. The power supply unit and the light emitting unit are coupled with each other and disposed on the support member which is attached on a user's lower limb. The trigger unit is contacted a sole of foot of the lower limb on which the support member is attached, and coupled to the light emitting unit. When the sole of foot is landed, the trigger unit is triggered to activate the light emitting unit to project a visible light on the ground where a front stepping point of user's opposite lower limb is located, so as to form a stepping prompt point with visible prompt effect on the ground. Therefore, the user can be guided to lift the opposite side leg to step on the stepping prompt point.

The invention provides a flexible driving apparatus for an all-terrain-matched linkage tracking photovoltaic bracket. The flexible driving apparatus comprises a reduction gear chain wheel, stand columns for supporting and rotating solar cell panels, and main beams moving on the corresponding stand columns, wherein purlines are arranged on the main beams for realizing power transmission for each row of solar cell panel array; the tail end of a former purline is connected with the front end of a next purline through a synchronous cable rope by a pulley A in a guiding connection manner so as to realize the series connection of the heads and the tails of the purlines; the reduction gear chain wheel drives a transmission chain to move in a reciprocating manner; two dragging cable ropes are connected with the two ends of the transmission chain respectively; the other ends of the two dragging cable ropes are connected with the synchronous cable rope through two pulleys B; and each of the two pulleys B is connected with a balance weight part separately for keeping the automatic compensation tensioning force of the transmission chain and the dragging cable ropes. The flexible driving apparatus is simple in structure, easy to mount, and capable of solving the problems of high requirement on land leveling standard and impossibility of being mounted and used in barren mountains and steep slopes with quite severe terrains.

A snowmobile includes a quadrilateral linkage system formed between a vehicle body frame, a front torque arm assembly, a rear torque arm assembly, and an extendable member. The four-node linkage is coupled with at least one slide rail to provide for the vertical distance between the vehicle body frame and the at least one slide rail to vary. The nodes of the four-node linkage are configured to generally define a quadrilateral shape in at least fully contracted and fully expanded configurations.

A loading device of a leg extension machine includes: a set of symmetric left and right gear disks linked and engaged with each other and installed onto two axles of left and right leg extension elements respectively, such that if the leg extension elements are pulled apart or pressed together, the two axles drive the left and right gear disks to rotate in opposite directions synchronously; a motor having a first gear installed on a main shaft and engaged with one of the left and right gear disks and a second gear engaged between the first gear and the gear disks for producing a driving resistance to the left and right gear disks synchronously; a current controller, provided for an exerciser to adjust the current transmitted to the motor through a microcomputer control panel; and a movement path sensor, for using pulse signals generated by a pair of optical couplers as feedback positions and determining the positive or negative rotation if the axle drives the optical interrupt disk, so as to control a curved load, and appropriately compensate the load current to provide a smooth and real-world setting.

A refrigerating machine micro-vibration physical simulation test processing system comprises a refrigerating machine system, a Z-shaped adapter plate, a hexagonal adapter plate, a six-component eight-sensor interference vibration force test platform and a data collecting and processing system; the refrigerating machine system comprises a compressor, a compressor support, an infrared probe support and an infrared probe; the refrigerating machine micro-vibration physical simulation test processing system further comprises an accelerated speed sensor and a laser non-contact test system. A refrigerating machine assembly, the adapter plate, and the six-component eight-sensor interference vibration force test platform are connected with one another in a pressed mode through bolt. The accelerated speed sensor can distribute and sense the vibration condition of various positions according to requirements, all sensors are connected with the data collecting and processing system through conductive wires, the refrigerating machine micro-vibration physical simulation test processing system can accurately measure interference force of micro vibration sources of a refrigerating machine, and measuring reliability is high. The laser non-contact test system further can obtain interference vibration displacement of an infrared probe. The refrigerating machine micro-vibration physical simulation test processing system can measure micro vibration produced by reciprocating motion of a piston of a compressor of the refrigerating machine.

The invention discloses a controllable atmosphere protection device for laser rapid prototyping of titanium alloy parts. The device is composed of a rigid sealed box body and a flexible bag-type sealed cover. The rigid sealed box body is provided with an inflation port and an exhaust port. There are valves on the inflation port and the exhaust port respectively; during the pumping process of the device, the air in the cavity is drawn out along with the exhaust port, and the flexible bladder-type sealing cover will gradually seal with the inner wall and cavity of the rigid box under the action of negative pressure. The bottom is close to the inner wall and the bottom of the cavity of the rigid sealed box, so as to discharge all the air in the cavity; then close the valve on the suction port, open the valve on the inflation port to fill in the required protective gas, and in the process of filling the protective gas During the process, the flexible bladder sealing cover is raised and inflated accordingly, so that the required protective atmosphere is formed in the cavity; the thickness of the flexible bladder sealing cover is 0.1 mm to 100 mm; the thickness of the rigid sealing box is 0.5 mm ~ 2m.

The invention relates to the technical field of robots or mechanical arms, in particular to a small multifunctional tail end operational tool assembly of a mechanical arm. The tail end operational tool assembly of the mechanical arm comprises a tail end operational tool and adapters, wherein the tail end operational tool comprises a shell, an end cover, a plurality of guide blocks, grabbing fingers, ball screws and a driving mechanism, the end cover is connected to one end of the shell, the guide blocks are connected to the end cover, the ball screws are arranged in the shell and are connected with the grabbing fingers through lead screw nut components, the ball screws can drive the grabbing fingers to move, the driving mechanism can drive the ball screws to rotate, and the adapters are matched with the guide blocks and the grabbing fingers. Compared with the prior art, the tail end operational tool assembly of the mechanical arm has the advantages that capturing, locking and unlocking of the two different adapters can be achieved with the single driving mechanism, the overall structure is simple and compact, the size is small, and the weight is small.

The invention provides a laser scanner 1 for performing multi-point measurement by projecting a pulsed beam 12 over total circumference for scanning, comprising a main unit 3 and a rotating unit 4 rotatably mounted on the main unit, wherein the rotating unit has a deflection member 15 for projecting the pulsed beams by deflecting the beams perpendicularly to center axis of the rotating unit, the main unit comprises a plurality of light emitting sources 11 disposed in two-dimensional positions and used for emitting a plurality of pulsed beams, an optical system 6 for projecting and receiving the pulsed beams, a rotation angle detecting unit 19 for detecting a horizontal rotation angle of the rotating unit, a plurality of photodetectors 8 for receiving a reflection light 12′ from an object via the deflection member and being disposed respectively at positions conjugate to the light emitting sources, a distance measuring unit 9 for measuring a distance based on a photodetection signal from the photodetector, and a control arithmetic unit 10 for calculating projecting directions of the pulsed laser beams projected from the deflection member based on the disposed position of the light emitting sources and on the result of detection by the rotation angle detecting unit.

The invention discloses a hydraulic support protection net device, belonging to the technical field of mining machines. The hydraulic support protection net device comprises a flexible protection net which is arranged between a hydraulic support top beam and a cable trough. A protection net unfolding rod is arranged on the hydraulic support top beam. One end of the flexible protection net is connected onto the cable trough and the other end of the flexible protection net is connected with an elastic retractable element through the protection net unfolding rod. A rigid rod is arranged at one end of the flexible protection net, which is connected with the elastic retractable element. By using the device, the protection space is effectively widened; the personal safety and the equipment safety are protected; when a scraper conveyer moves, the elastic retractable element can compensate the protection space of the flexible protection net to prevent a large open area from occurring between the hydraulic support top beam and the scraper conveyer and to further protect the working personnel and the equipment; the structure is simple, light and ingenious; and the protection effect is good.

Mutual interference between rotation and turning drive forces is prevented by a simple structure. A transmission shaft and a turning body are supported at a housing so as to be relatively coaxially rotatable. An input shaft is connected to the transmission shaft, and a first sun gear is fixed thereon. First planetary gears meshing with the first sun gear are supported at a rotating body, which is connected to an output shaft. A second sun gear is provided on a hollow-cylindrical shaft fixed to the housing. Second planetary gears supported at the turning body mesh with the second sun gear. A first and second inner gears mesh with the first and second planetary gears respectively. They are corotatably connected by a connection ring. A rotating shaft is perpendicularly connected to the output shaft through bevel gears. A casing supporting the output and rotating shafts and is joined to the turning body.

The invention discloses a rooftop linkage tracing photovoltaic stent and a photovoltaic power generation system, which belongs to the technical field of photovoltaic power generation equipment. The stent comprises a driving mechanism, guide rails and a component unit. The guide rails are laid on rooftop and are fixed. The component unit is arranged across two adjacent guide rails, and comprises a component frame, a sliding part and a connecting rod. The sliding part is arranged in the guide rails. One end of the connecting rod is hinged with the sliding part. The other end is hinged with the component frame. The driving mechanism is applied to the sliding part of the component unit. When the photovoltaic stent is used, the connecting rod is pushed to hold up or lay the component frame. The whole photovoltaic stent structure can be close to the rooftop plane, which effectively reduces wind resistance; the weight of the entire photovoltaic stent structure is light, which reduces the overall structural strength requirement; and the rooftop linkage tracing photovoltaic stent and the photovoltaic power generation system have the advantages of long service life, simple structure, reasonable design and easy manufacture.

The invention discloses a shielding case and a manufacturing method of the shielding case. The shielding case comprises an insulating case body and a metal conducting layer arranged on the outer side of the insulating case body. The thickness of the metal conducting layer is 0.001mm-0.003mm. The shielding case and the manufacturing method of the shielding case have the advantages that the shielding case is formed by arranging the metal conducting layer on the insulating case body, the structure is light and simple, working procedures are simple, processing efficiency is high, and assembly cost is low.

The invention discloses a self-bearing detachable plate-type evaporation air cooler with down-streaming air and spray water, which comprises a spraying device, a heat exchange plate bundle, a water tank, a fan and a circulating water pump, wherein the heat exchange plate bundle consists of a plurality of sheet-tube units; each sheet-tube unit consists of two sheets, which are pressed with a plurality of concave and convex foams arranged in a honeycomb shape; spot welding is adopted at the positions of the concave foams and seam welding is adopted at two long sides in a length direction of the sheets so as to form the prolate sheet-tube units after being welded; the two ends of each sheet-tube unit are welded with a small inflowing water collecting tube and a small discharged water collecting tube with threaded joints respectively; and the small inflowing water collecting tube and the small discharged water collecting tube are in sealing connection with a large inflowing water collecting tube and a large discharged water collecting tube with the threaded joints through connecting tubes respectively. In the self-bearing detachable plate-type evaporation air cooler, the two sheets of each sheet-tube unit are provided with the concave and convex foams which are arranged in the honeycomb shape and the spot welding is adopted at the positions of the concave foams, which enhances the strength and bearing capacity of the sheets; and the self-bearing detachable plate-type evaporation air cooler is simple and light in structure because the sheet-tube units does not need restricting by pressing plates, and is convenient in pressure test, assembly, exchange and maintenance because the small inflowing water collecting tube and the small discharged water collecting tube of the sheet-tube units with the threaded joints can be detached from the large inflowing water collecting tube and the large discharged water collecting tube.

A lawn mower lifting machine includes a frame, a power device, a lifting device, a limit device and a support device. The frame includes a bottom frame and a jack installing board frame. The power device includes a jack with the top coupled to the lifting device and the bottom coupled to the frame. The lifting device includes a lift arm coupled between the frame and the power device. The limit device includes a brake block, a limit rack and a retractor coupled to the lifting device. The retractor can be turned to hook the brake block. The support device includes a lift beam, a lift frame coupled to both sides of the lift beam.

An adjusted pedal is provided, including: a pedal body, having two clamp portions respectively configured to engage with a shoe; a pedal shaft, defining an axial direction; an engaging portion, disposed on the pedal body and movably engaged with the pedal shaft so that the pedal body is slidable positionly to the pedal shaft along the axial direction; wherein when the engaging portion is disengaged with the pedal shaft, the pedal body is slidable to the pedal shaft along the axial direction.

The invention discloses an agricultural greenhouse linkage tracking photovoltaic stent and a photovoltaic power generation system, which belongs to the technical field of photovoltaic power generation equipment. The stent comprises a column stent, a driving mechanism, guide rails and a component unit. The column stent is arranged above an agricultural greenhouse. The height of the column stent is slightly higher than the height of the agricultural greenhouse. The guide rails are fixed on the column stent. The component unit is arranged across two adjacent guide rails, and comprises a component frame, a sliding part and a connecting rod. The sliding part is arranged in the guide rails. One end of the connecting rod is hinged with the sliding part. The other end is hinged with the component frame. The driving mechanism is applied to the sliding part of the component unit. When the photovoltaic stent is used, the connecting rod is pushed to hold up or lay the component frame. According to the invention, the design thought of wind hiding and the theory of bionics are used; in one minute, the component unit automatically lays down, so that the windward surface is small and the wind resistance is reduced to ensure the safety of the stent, the system and the agricultural greenhouse; loss caused by the disaster is avoided; and the stent and the system have the advantages of simple structure, reasonable design and easy manufacturing.

The present invention provides a fluid stream producing device comprising a hollow body having a nozzle at a first end and a connector inlet at a second end, wherein said connector inlet is in the shape of a circular inner wall and a circular outer wall, said outer wall containing one or a plurality of o-ring grooves and o-rings for forming a substantially air tight seal between said second end to a container of fluid, so transmission of said fluid through said connector inlet, into said hollow body, and out of said nozzle to produce a stream of fluid can be effected.

The invention belongs to the technical field of flowmeters, and particularly relates to a gas turbine flowmeter and an application method thereof. The gas turbine flowmeter comprises a gas turbine flowmeter, wherein the gas turbine flowmeter comprises a working power supply, an overall power consumption external power supply, a pulse output mode, a power output, a RS485 communicator and a workingstate. The gas turbine flowmeter is a speed-type flow instrument capable of accurately measuring gas flow, has the advantages of simple and light structure, high metering accuracy, good repeatability,wide measurement range and the like, is convenient to install and maintain and is widely applied to measurement of various gases, such as natural gas, city gas, propane, butane, air and nitrogen in industrial field and departments such as petroleum, chemical engineering, metallurgy, aviation and scientific research. Since the gas turbine flowmeter is high in instrument accuracy and good in repeatability, the gas turbine flowmeter is applicable to trade metering and industrial process detection.