38results about How to "Ergonomic improvement" patented technology

A load bearing rotation lock mechanism including disks or cylinders with teeth or a combination of both that interlock radially between their inner and outer surface areas, or frontal areas, or both, where one of the disks or cylinders is attached to a fixed surface area and the other disk or cylinder is attached to a pivoting arm, plate, or other kind of load bearing support element, and where one of the disks or cylinders is able to mesh (lock) and un-mesh (unlock) from the other disk or cylinder by protruding, retracting, or sliding laterally over a common, continuous or divided axis, shaft, or channel thereby freezing the angular position of the pivoting arm, plate, or other kind of load bearing support element with respect to the fixed surface area at the time the disks, cylinders, or a combination of both, mesh (lock) with each other and unfreezing the pivoting arm, plate, or other kind of load bearing support element to pivot freely with respect to the fixed surface area when the disks, cylinders, or combination of both un-mesh (unlock) from one another.

A keyboard apparatus for use with a computing device is presented. The apparatus includes a plurality of alphanumeric keys grouped into at least a left group for use by a user's left hand and a right group for use by a user's right hand. A touchpad device for controlling a movement of a cursor displayed on the computing device by a touch movement on a surface of the touchpad is positioned between the left group and the right group for easy and intuitive access when using the alphanumeric keys. Designated keys for activating functions on the computing device when the touch movement is controlling the cursor are provided where minimal movement is required of the user's hands for the touch movement and the function activating

A showerhead is disclosed with a control surface about the lower periphery of the showerhead that can be continuously rotated through 360 degrees to control the water spray patterns exiting the showerhead. The control surface is mechanically linked by a cam track and mating cam followers to a set of plungers in the showerhead faceplate. The plungers can be axially moved within openings in the faceplate of the showerhead by rotation of the control surface. That axial movement of the plungers allows a user's adjustment of the spray patterns exiting the showerhead.

The invention discloses a method for testing first startup of first machines of pumped storage power stations. The method includes testing working conditions of water pumps of units; testing power generation working conditions of the units; testing working condition transformation; testing accidental shutdown. The guide vane opening is 17 degrees during tests for the working conditions of the water pumps of the units; guide vanes can quickly pass small guide vane opening zones of 0-5 degrees at the starting speeds of 2 degrees/second when pressures generated by the water pumps reach zero-flow lift and input power, load limiters of speed regulators are switched on by 100%, and accordingly the guide vanes can be opened to reach set opening of 17 degrees for the working conditions of the water pumps; closing law for the guide vanes includes closing total stroke of the guide vanes within 15 s if power sources are suddenly cut off in tests for working condition transformation and tests for accidental shutdown; closing law for water inlet ball valves includes that the valves are closed to reach opening of 20% from the original opening of 100% for the duration of 24.8 s in first sections and are closed to reach opening of 0 from the original opening of 20% for the duration of 37.2 s in second sections. The method has the advantages that economic benefits can be increased, the integral units are difficult to break down and are under good running conditions, the method is short in test cycle and high in work efficiency, and the service lives can be prolonged.

The invention provides a knapsack traveling automatic fertilizer spreader, relating to a machine for spreading fertilizer. A charging basket opening is provided with a basket cover, the bottom part of the charging basket is provided with an underpot internally provided with an upper end part of a feeding pipe which is fixed by a flexible fixator, the feeding pipe is in an L-shaped, and the corner is an arc transition. In addition, related facilities can be added on the fertilizer spreader as follows: the feeding pipe is arranged with a guy ring and a locking ring matched with the guy ring so as to control the switch of the fertilizer spreading; a trough matched with the feeding pipe is arranged below the front part of the charging basket; a filter screen is arranged in the charging basket; the lower end part of the feeding pipe is connected with a manifold; the branch pipe of the manifold is connected with a spray pipe, etc. The design principle of the invention is that granular fertilizer has certain fluidity, and the fertilizer can flow outwards to form a spreading effect under the vibration effect when a person carries the charging bucket on the back. The invention has the beneficial effects of directly spreading on crops, saving power, labor and fertilizer, having good fertilizing effect, simple construction and low cost, and being favor of protecting human bodies; and compared with spreading the fertilizer manually, the invention improves the working efficiency by 3-4 times.

The invention discloses a cylindrical rapid-shaping combined cutter. The cylindrical rapid-shaping combined cutter comprises a cutter handle which is arranged on the rotating centerline of the cutter, wherein a cutter frame disc is arranged at one end of the cutter handle, a plurality of tool racks which are used for fixedly arranging machining tools are axially arranged at the outer edge of the cutter frame disc, each tool rack comprises a pair of cutting frames which are arranged at the two sides of the rotating centerline of the cutter, excircle cutting knives, of which knife heads are pointed to the direction of the rotating centerline of the cutter, are arranged at one ends, far away from the cutter frame disc, of the cutting frames, fixing grooves are axially formed in the cutting frames between the cutter frame disc and the excircle cutting knives, and chamfer cutters are arranged between the fixing grooves of the cutting frames at two sides. According to the cylindrical rapid-shaping combined cutter, the problems in the prior art that when an excircle surface of an irregular workpiece is machined, the working procedures are many, the work efficiency is low, the production cost is high and the product quality is difficult to guarantee are effectively solved, and the substantial effects of simple process, high work efficiency, low production cost and good product quality are achieved when the excircle surface of the irregular workpiece is machined by adopting the cylindrical rapid-shaping combined cutter.

The invention provides a voltage stabilization lifting support frame, which is characterized in that the height can be regulated at any time according to field use places, only the manual operation by a handle is needed, the special equipment is not needed for lifting, a strut is hollow, the outer part of one end of the strut is welded with a top cap, the inside of the other end is provided with a screw nut, the upper end of a sub post is provided with screw threads, the tail end of the screw threads is provided with a handle hole, and the tail end of the sub post is provided with a base. The strut is safe and reliable, the operation is simple and convenient, the initial support force is great, the maneuverability is good, the work efficiency is high, the repeated utilization is realized, the application range is wide, the adaptability is high, no pressure relief exists, the lifting, interlocking anti-inversion and anti-skidding functions are realized, the voltage stabilization lifting support frame can be widely applied to regions such as grounds and undergrounds with support requirements, the superiority is better in the ground emergency and disaster releasing and the underground local place temporary support, and wide popularization and application values are realized.

The invention provides an automatic liquid inlet controlling device used for double distilling equipment. The automatic liquid inlet controlling device comprises a first liquid level sensor arranged in primary distillation equipment for detecting liquid level of the primary distillation equipment; a secondary liquid level sensor arranged in secondary distillation equipment for detecting the liquid level of the secondary distillation equipment; a water-feeding pump used for sending raw water in water-storage equipment to the primary distillation equipment; a controller respectively connected with the first liquid level sensor, the secondary liquid level sensor and the water-feeding pump, and capable of controlling a work state of the water-feeding pump according to the liquid level in the primary distillation equipment and the liquid level in the secondary distillation equipment. The invention also provides an automatic liquid inlet controlling method used for the double distilling equipment, by performing liquid level detection for the double distilling equipment, a sensor technology is used, the water-feeding pump can be automatically controlled under different modes according to different liquid levels, and dry burning can be effectively avoided.

The invention discloses a tunnel excavation construction process in a water-dispersible extremely soft rock stratum, and relates to the technical field of underground space of geotechnical engineering. The tunnel excavation construction process in the water-dispersible extremely soft rock stratum specifically comprises a steel mesh, an advanced small pipe, system anchor rods, feet-lock bolts, outer concrete and an inner concrete lining. According to the tunnel excavation construction process in the water-dispersible extremely soft rock stratum, a cantilever roadheader is adopted to excavate atunnel rock mass so as to prevent the adverse influence of blasting vibration on the rock mass, the tunnel excavation construction process in the water-dispersible extremely soft rock stratum has thecharacteristics of high safety, good economy, simple equipment, small disturbance and high work efficiency and can be better applied to the soft rock stratum, an anchoring agent is taken as the grouting slurry of the advanced small pipe and the system anchor rods, the tunnel rock mass can be prevented from softening in water, the probability of rock mass disintegration is effectively reduced, thereliability and safety of the tunnel excavation construction are improved, and the situation that instability of the rock mass is prone to being caused due to the fact that existing tunnel excavationconstruction technology usually uses cement slurry for grouting and a tunnel is constructed by a drilling and blasting method is solved.

The invention relates to an automatic U-shaped groove forming system for factory-like prefabrication. The automatic U-shaped groove forming system comprises a belt type conveyor, a discharging device, outer die guide transverse beams, a die surface, an inner die, a high-frequency vibrating screen and lifting oil cylinders, wherein the discharging device is fixedly arranged in the middle of the upper side of the belt type conveyor, the outer die guide transverse beams are fixedly and symmetrically arranged on two sides of the position, in front of the discharging device, of the upper side of the belt type conveyor, and the die surface to be processed is placed on the position, between the outer die guide transverse beams on two sides, of the belt type conveyor in a transmission mode; the inner die is fixedly and coaxially arranged behind the discharging device, the high-frequency vibrating screen is arranged on the inner die, and the two lifting oil cylinders are arranged at the upper end of the inner die in a spaced mode. The automatic U-shaped groove forming system has very good market prospect, reduces cost, improves efficiency, and is suitable for factory-like prefabrication having high stability and a high automatic degree, and U-shaped grooves are manufactured with high speed, high work efficiency, low cost and good quality.

The invention discloses a construction method of piles and a drill pipe system special for the piles. The construction method includes the steps that (1) system relocation and emplacement are conducted, specifically, the drill pipe system is moved and emplaced to the set pile position; (2) spinning and sinking are conducted, specifically, the drill pipe system is spun and sunk to the set depth; (3) rotary pulling and lifting are conducted, specifically, the drill pipe system is rotatably pulled and lifted to the set height; and (4) the step (2) and the step (3) are repeated until a first pilemeets the set requirements. According to the construction method of the piles and the drill pipe system special for the piles, according to the initial setting time and the hard setting time of cementsoil, the method of pile planting in multiple time periods is adopted, the regulation limit that ordinary composite piles are implanted within 12-hour working is broken, and the timeliness and the work efficiency are improved; and two sets of hydraulic oil cylinders are arranged on the upper part and the lower part of a pile frame of static pressure equipment, the lower set of oil cylinders holdslower section piles, the upper set of hydraulic oil cylinders holds or supports precast piles, and the problem of pile extension of two-section piles and multi-section piles is solved.

The invention aims to provide an integral figure eight-shaped sand block mesh assembling machine comprises an assembly mould, an auxiliary traction machine, an auxiliary sending machine, an auxiliary ultrasonic welding machine, a guide shape plate, a mesh clamp seat, a transition board and an electric appliance control box which are fixed on a frame, an air compressor and supporting parts; the assembly mould, the auxiliary traction machine, the auxiliary sending machine and the auxiliary ultrasonic welding machine are deployed by a pressure cylinder for driving, take compressed air as a power source, sequentially and alternatively move back and forth, work is progressive action, so that a plastic mesh sets spacing in a balanced way and is assembled with a mesh supporting clamp. The speed and the stroke of the parts of the whole machine are stably regulated manually and automatically controlled by an electric appliance. The integral figure eight-shaped sand block mesh assembling machine has the advantages of reasonable structure, safety, reliability, low energy consumption and high efficiency performance, and is ideal machinery for integral figure eight-shaped sand block mesh assembling (production).

The invention relates to a food processing device (1) arranged in a cooking container (50a, 50b), the device (1) comprising fixing means (3, 4) fixed on the cooking container (50a, 50b), which allow acoupling/uncoupling of the device (1) on the cooking container (50a, 50b), and a drive shaft (20) for driving a rotary tool (40) for cooperating with the food, the tool (40) being movable transversely to a vertical axis (21) of extension of the drive shaft (20) between first and second working positions. According to the invention, the rotary tool (40) comprises at least first and second receiving housings (41, 42) which are arranged side by side for receiving the drive shaft (20), the tool being in the first working position when the drive shaft (20) is arranged in the first housing (41) andthe tool (40) being in the second working position when the drive shaft (20) is arranged in the second housing (42) and the tool (40) being fixed on the drive shaft (20) by holding means (28, 39) which allow a mounting/dismounting of the tool (40) relative to the drive shaft (20) without tools.

The invention provides a manufacture method for an integral splayed sand blocking net, belonging to the technical field for manufacturing a sand blocking net. The manufacture method for the integral splayed sand blocking net comprises the steps of assembling (or producing) a plastic net and a splayed net support clip by an assembling machine; promoting the plastic net successively from a plane to automatically form a splayed shape corresponding to the shape of the net support clip through the appearance stress exchange of a guide shaped plate; transmitting the net support clip to an assembling model core through a clip transmission auxiliary machine; assembling and molding the plastic net and the net support clip into a welding support component; transmitting the energy of an ultrasonic welding auxiliary machine to the contact surface of assembling components through a welding head; promoting to be melted into an integral in an instant; drawing the plastic net to move forward by utilizing a traction auxiliary machine; successively carrying out an alternate reciprocation motion in a course action mode; and carrying out the automatic control by utilizing electrical equipment.

The invention relates to a hairstyling appliance (1) of the straightener type, comprising two arms (2, 3) mounted on a hinge (4), at least one arm (2) comprising a housing (21) having a gripping zone (7) and a treatment zone (8), said treatment zone (8) having an integrated heated plate (5), said arms (2, 3) being configured to form tongs allowing said heated plate (5) to style the hair, a thermal insulation means (10) having a support zone (9) intended to at least partially cover the distal end (8') of the treatment zone (8), the distal end (8') being away from said gripping zone (7), an internal surface (101) of the thermal insulation means (10) being arranged opposite the external surface (201) of said housing (21), and being mounted in a manner spaced apart from said external surface (201).