137results about How to "Good labor saving effect" patented technology

The invention discloses a heat backward extrusion molding process of a large-sized cup-shaped piece, relating to a backward extrusion molding method. By using the invention, the forming force for the heat backward extrusion of the large-sized cup-shaped piece can be reduced and the problem in the prior art that the production efficiency is low is solved. The heat backward extrusion molding process comprises the following concrete steps of: (1) placing a heat blank in a material accommodating cavity; (2) downwards pressing a pressure head to enable a backward extrusion punch head to be contacted with the blank; (3) downwards pressing the pressure head and allowing a backward extrusion cylinder to downwards slide along an inner cavity of a base and compress a spring until the spring contacts with the bottom plane of the inner cavity of the base; (4) downwards pressing the pressure head to enable all blanks to be reduced and extruded to a backward extrusion cavity to be attached to an ejector rod; (5) downwards pressing the pressure head and starting the backward extrusion molding process until the process is finished; (6) backward lifting the pressure head, lifting the backward extrusion cylinder, limiting a stamped part by a stripper plate to separate from the backward extrusion punch head, allowing the ejector rod to upwards eject and then taking out the stamped part after the stamped part is separated from the backward extrusion cylinder; (7) retracting the ejector rod and allowing an ejecting material to fall off and ensuring that a die restores the initial state; and (8) repeating the process steps from (1) to (7) and continuously finishing the heat backward extrusion molding of the large-sized cup-shaped piece.

The invention discloses a bicycle with linking lever and cam, comprising a vehicle frame, a front vehicle wheel, a back vehicle wheel and a vehicle wheel drive device. The vehicle wheel drive device comprises a lever, swinging rods, a drive wheel and a speed-change mechanism, wherein one end of the lever is a linear drive force-application end, and the other end is movably connected on the vehicle frame; the lower end of each swinging rod is articulated with the lever, a roller is arranged at the upper end of each swinging rod, and the middle lower end of a front swinging rod is movably connected with the middle lower end of a back swinging rod through a hinged bar; the speed-change mechanism comprises a drive gear ring, an intermediate wheel, a driven gear ring, a triangular swinging plate and a pull rod. A contour curved surface which is movably connected with the roller is arranged in the drive wheel, and is provided a farthest lower pull surface, a farthest upper pull surface, a transition surface and a transition surface of delay angle, wherein the farthest lower pull surface and the farthest upper pull surface are symmetrically arranged taking the wheel shaft as the center; and the transition surface is used for communicating the farthest lower pull surface and the farthest upper pull surface. The invention cancels a double foot lost motion part of a crank mechanism to save more labor, thereby the utilization rate of force achieves a favorable state.

The invention relates to a tool for elderly people, in particular to a multifunctional exercising device of elderly people. The device comprises a bottom frame mechanism, a foot driving mechanism, a telescopic mechanism, an exercising mechanism and a hand driving mechanism. By means of the device, the strength of lower and upper limbs of elderly people can be exercised, the height of the device can be conveniently adjusted by elderly people, and the power saving effect is good. The telescopic mechanism is connected with the bottom frame mechanism, the foot driving mechanism is installed on thetelescopic mechanism, the exercising mechanism is connected with the telescopic mechanism, and the hand driving mechanism is installed on the exercising mechanism.

The invention discloses a stretcher translation device in the field of medical equipment. The stretcher translation device comprises a stretcher body, a translation mechanism and a guiding and movingmechanism, wherein the translation mechanism comprises a rectangular stretcher and a sliding chute plate; two mutually parallel sliding rails are arranged in the lengthwise direction of the lower surface of the stretcher; two first sliding chutes are formed in the sliding chute plate; the sliding rails are connected with the first sliding chutes in a sliding manner; the guiding and moving mechanism comprises two L-shaped fixed blocks; the L-shaped fixed blocks comprise horizontal blocks and vertical blocks; second sliding chutes are formed in the upper surfaces of the horizontal blocks; a vacuum suction disk is arranged on one side of each vertical block; and the vacuum suction disks are located under the horizontal blocks. According to the stretcher translation device in the scheme, by the arrangement of the translation mechanism and the guiding and moving mechanism, a patient can be easily transferred among the stretcher body, a CT machine and a sickbed, and medical staff does not need to carry the patient, so that the patient can be prevented from being collided and injured during carrying.

The invention discloses a stapler, comprising a bracket, a nail path, an upper blade assembly, a hinge and an upper cover, wherein the tail ends of the nail path, the upper blade assembly and the upper cover are hinged on the tail end of a bracket seat, a first guide part is arranged on the side wall of the upper cover, one end of the hinge is connected to the first guide part in a sliding manner, the first guide part is set to of a structure that one end of the hinge is moved towards the tail end of the upper cover and is pressed downwards when the upper cover is pressed downwards, a second guide part is arranged on the side wall of the bracket seat, the other end of the hinge is connected to the second guide part in a sliding manner, the second guide part is set to of a structure that the other end of the hinge is moved towards the front end of the bracket seat when the upper cover is pressed downwards and the other end of the hinge is deviated from the bracket seat when the upper cover is opened, the middle position of the hinge is hinged with the middle position of the upper blade assembly, and the first guide part is close to the tail end of the upper cover. The stapler disclosed by the invention has a good labor saving effect and stitching needles can be arranged conveniently.

A push-pull bicycle features structurally that its longer chain is stretched by a driven gear installed in the front end of oblique beam, and a chain driver with chain grasping jaw is installed to the right arm of back fork between upper and lower chain segments. When said chain driver is driven by a rope, its chain grasping jaw can grasp the chain and pull it forward, so drive bicycle forward. Its advantages are no need of big front gear and pedals, compact structure, and less pressing to perineum and scrotum of rider.

The invention discloses a lithium electrolytic bath feeding device and a lithium electrolytic bath with the same. The lithium electrolytic bath feeding device comprises a supporting portion, a moving portion and a storage portion. The supporting portion is fixedly connected onto the lithium electrolytic bath, the moving portion is placed in the supporting portion and is connected with the storage portion through hinges, and electrolytes needed to be added into the lithium electrolytic bath are placed in the storage portion. The moving portion and the storage portion are both in trough types; the moving portion rotates around the hinges to realize adding of electrolytes for lithium electrolysis; a baffle arranged, close to the moving portion, in the storage portion is connected onto the bottom of the storage portion through a vertical shaft and tangent to two inner walls of the storage portion, tangent portions of the baffle with the storage portion are cylindrical, and the vertical shaft drives the shaft to rotate in the storage portion. By the lithium electrolytic bath feeding device and the lithium electrolytic bath with the same, efficiency in electrolysis of lithium chloride and the like for acquisition of lithium is improved, injuries to human eyes are reduced, and electrolytic efficiency and safety, convenience and quickness in operation are improved.

The invention relates to an energy-storing clip-on stapler with self-adjusting staple force, which consists of a handle, a pedestal, a top head, a box which sliding coordinates with a sliding elastic staple-pushing device or a staple groove and a staple sheet. Middle part of the handle is articulated with the middle part of the pedestal; an elastic energy-storing device and an energy-releasing switch are arranged between space of the box and / or the top head; the elastic device consists of a spring with an elastic percussion external end; the elastic percussion external end is directly or indirectly hook connected or articulated with the staple sheet; a energy-storing regulating part which can convert lifting distance between the pedestal and the staple groove into a corresponding displacement value of the spring is arranged on top of the handle; the regulating part and a specific part of the elastic energy-storing device and / or a specific part of the energy-releasing switch form a cooperative relation. The clip-on stapler of the invention has the advantages of effort-saving of the staple and good effect, and the invention can prolong the service life, automatically adjust the staple force according to thickness of the paper to be bound and save effort to bind tissue without damaging the paper.

The invention discloses a front engine hood opening device. The device comprises a shaft sleeve, a support, an installation base and a handle, wherein the installation base and the handle are arrangedon an instrument desk, the shaft sleeve sequentially penetrates through the installation base and the support and then is fastened and connected through a fastener to form a detachable installation body, the handle comprises a handle part and a shaft part which are connected, the shaft part penetrates through the shaft sleeve and then is connected with a rotating disc, the shaft part is sleeved with a return spring in the radial direction, one end of the return spring is connected to the disc face of the rotating disc, the other end of the return spring is connected to the installation base,a flexible shaft assembly is fixed on the support, the flexible wire end of the flexible shaft assembly is connected with a clamping head, a wire containing groove is formed in the edge of the rotating disc, a clamping groove is further formed in the edge of the rotating disc, and the clamping head is connected to the clamping groove in a clamped mode. The front engine hood opening device is arranged on the instrument desk, the spatial layout is optimized, a first lock of an engine hood is opened in a rotating mode, and compared with an existing axial force application starting mode, the frontengine hood opening device has the advantages that the labor saving effect is good, and the operation feeling is high.

The invention relates to a double-roller crusher. The double-roller crusher comprises rollers and a plurality of toothed plates. Each roller comprises a roller body. The toothed plates are fixed to the surfaces of the roller bodies. Each toothed plate comprises a positioning column, a plate seat and a tooth, wherein the positioning column is fixedly connected with the bottom of the plate seat and is in a circular truncated cone shape, and the diameter of the upper bottom face of the positioning column is larger than the diameter of the lower bottom face of the positioning column. A plurality of tooth installation grooves are formed in the surface of each roller body in the axial direction of the roller body, the bottom of each tooth installation groove is provided with a plurality of positioning holes used for positioning the corresponding tooth in the radial direction of the roller body, each positioning hole is in a circular truncated cone shape, the diameter of an upper opening of each positioning hole is larger than the diameter of a lower opening of the positioning hole, the upper openings of the positioning holes are formed in the bottoms of the tooth installation grooves, and the bottoms of the tooth installation grooves are further provided with a plurality of connection holes. The positioning columns are installed in the positioning holes. Fastener holes are matched with the connection holes. The double-roller crusher is reasonable in structural design, firm, reliable in performance and long in service life.

The invention discloses a bicycle. A middle shaft wheel is mounted on a middle shaft of a traditional bicycle, and a pair of chain wheels is respectively additionally mounted on the middle shaft and a rear shaft and is connected by a chain to form an auxiliary transmission system of the bicycle. In addition, the front wheel diameter of the bicycle is smaller than the rear wheel diameter, the bicycle is also provided with a spring-tightening device comprising the chain for the transmission of driving force and an energy storage chainwheel which is arranged on the middle shaft and is provided with a spring, and the chain for the transmission of the driving force connects the foot pedals and the energy storage chainwheel. The bicycle is ensured to continuously run under discommodious accidents which often occur to a traditional bicycle, can be more labor-saving and high-efficiency, is simple to modify and has low cost and good effect.

The invention discloses a scrubbing machine with self-cleaning function. The scrubbing machine with self-cleaning function comprises a machine shell, a motor, a driving shaft, a water storage tank, asynchronous belt and a scrubbing cloth belt; a water storage chamber is formed in the water storage tank; a belt wheel matched with the synchronous belt is fixed on the driving shaft; a front rubbingroller and a rear rubbing roller are arranged on the lower part of the machine shell, an underwater roller is arranged in the water storage chamber, a separation cavity is formed between the water storage chamber and the machine shell, a steering roller is arranged in the separation cavity, the front rubbing roller, the rear rubbing roller, the underwater roller and the steering roller are each composed of a roller shaft and a roller, and the two ends of each roller shaft are fixed to the machine shell; the synchronous belt is wound on the front rubbing roller, the rear rubbing roller, the steering roller, the underwater roller and the belt wheel to form a closed loop, and a rubbing cloth belt is fixed on the outer surface of the synchronous belt. According to the scrubbing machine, the to-be-cleaned face can be scrubbed and cleaned, scrubbing cloth does not need to be scrubbed again in the whole process, the scrubbing cloth has the self-cleaning function, the good cleaning effect is guaranteed, water resources are saved, and meanwhile due to the rotating effect of the scrubbing cloth belt, the obvious labor-saving effect is achieved.

The invention relates to a brake device for a hoisting device. The invention aims at providing a brake safety device for a crane, which is convenient to operate. The structure comprises an operating rod, a position-clamping slot plate, a traction rope, a pawl and a ratchet. A slot is arranged on the position-clamping slot plate, a stop slot is formed at one end of the slot, the operating rod is shaped like a lever, a power arm of the operating rod penetrates the slot and can move in the slot, a resistance arm of the operating rod is connected with the pawl through the traction rope, the power arm is larger than the resistance arm, and a reset device is arranged on the pawl for driving the pawl to be meshed with the ratchet. The technical scheme is characterized in that the adoption of the effort-saving lever mechanism is more convenient to operate.

The invention provides a labor-saved bolt cutter. The labor-saved bolt cutter comprises a tool bit, a connecting arm and a handle; the tool bit is connected with the upper end of the connecting arm; the handle is connected with the lower end of the connecting arm; the connecting arm includes a left connecting arm, a first right connecting arm and a second right connecting arm; a left tool bit connecting hole connected with a left tool bit, a first hole and a second hole are arranged at the upper end of the left connecting arm in sequence from left to right; the lower end of the left connecting arm is connected with the handle; a third hole and a right tool bit connecting hole connected with a right tool bit are formed in the upper end of the first right connecting arm; the first hole and the third hole are connected by a bolt; a long hole is formed in the lower end of the first right connecting arm; a fourth hole is formed in the upper end of the second right connecting arm, and is connected with the second hole by a bolt; a pin shaft hole is formed in the middle part of the second right connecting arm, and is connected with the long hole through a pin shaft; the pin shaft can slide along the long hole; and the lower end of the second right connecting arm is connected with the handle. The labor-saved bolt cutter is simple in structure and obvious in labor saving effect; and the force range in the shearing process is 64-92% that of a traditional bolt cutter.

The invention discloses a labor-saving lifting mechanism. A left vertical arm and a right vertical arm of an internal n-shaped rack are inserted in a left vertical arm and a right vertical arm of an external n-shaped rack respectively, and pulley mechanisms in sliding contact with the inner walls of the left and right vertical arms of the external n-shaped rack are arranged on the left and right vertical arms of the internal n-shaped rack respectively; a traction belt rolling wheel is arranged in a cross arm of the external n-shaped rack and connected with one end of a left traction belt and one end of a right traction belt, and the other end of the left traction belt and the other end of the right traction belt are fixedly connected with the lower portions of the left and right vertical arms through respective wheel supporting mechanisms respectively; through forward rotation or reverse rotation of the traction belt rolling wheel, the left and right traction belts are rolled or released at the same time, and accordingly the left and right vertical arms of the n-shaped racks are driven to ascend or descend along the external n-shaped rack at the same time. The labor-saving liftingmechanism is reasonable in structure, convenient to use, good in labor-saving performance and particularly suitable for lifting mechanisms of vertical office computer tables; through pulley mechanisms, certain gaps between the vertical arms of the internal n-shaped rack and the vertical arms of the external n-shaped rack are kept, and the vertical arms cannot be collided and damaged.

The invention discloses a novel easy-to-load-and-unload logistics goods storage transport case. The novel easy-to-load-and-unload logistics goods storage transport case comprises a transport case bodyand a case door. The case door is connected to one side of the transport case body through a rotating shaft, a rotating table is installed at the middle position of the surface of one side of the case door, and a gear is arranged on the side, located on the back surface of the case door, of the rotating table. The novel easy-to-load-and-unload logistics goods storage transport case is provided with a conveyor belt, a steel wire rope, a plurality of first pulleys, second pulleys, driving shafts and a rocking handle, the first pulleys, the second pulleys and the driving shafts arranged at the ends of the conveyor belt form a whole through the steel wire rope, meanwhile, the first pulleys and the second pulleys are of upper and lower two-layer structures, the first pulleys and the second pulleys are wound with the steel wire rope in sequence, so that the labor saving effect is better, then the conveyor belt can be driven by the rocking handle arranged on one side of the hand-cranking steel wire rope, the conveyor belt is conveniently adjusted and controlled to rotate a certain distance, goods are loaded and unloaded conveniently, and the loading and unloading efficiency of the goodsis improved.

The invention discloses a solar energy defoaming biogas digester, which comprises a gas storage chamber and a gas production chamber, a feed pipe and an exhaust pipe connected with the gas storage chamber, and a stirrer, and a circular through hole is opened on the outer wall of the gas storage chamber , the agitator extends into the gas chamber, the stirring shaft is provided with stirring blades, the gas generating chamber is provided with a discharge pipe, the outlet of the discharge pipe is provided with a discharge cover, and the top of the gas storage chamber is fixedly connected with a solar energy heat collector; the fermentation chamber is connected with a clapboard, the bottom wall of the fermentation chamber is fixedly connected with a motor and a reducer, the motor is connected with the reducer, and the reducer is connected with paddles; the stirring shaft is a hollow stirring shaft, and the stirring blade It is a hollow stirring blade, the hollow stirring shaft and the hollow stirring blade are provided with defoaming holes, and the top of the stirring shaft is connected with a vacuum defoamer. The invention can maintain a good temperature in the gas production chamber by setting the solar heat collector, thereby greatly increasing the gas production of the methane pool.

The invention discloses a methane digester, which comprises a gas storage chamber and a fermentation chamber, a feed pipe and an air outlet pipe communicated with the gas storage chamber, and a stirrer, an annular hole is opened on the outer wall of the gas storage chamber, and the stirring shaft of the stirrer passes through the Extending into the fermentation chamber, the stirring shaft is provided with a stirring blade located in the fermentation chamber, a card cover is set on the stirring shaft located outside the air storage chamber, a discharge pipe is arranged in the fermentation chamber, and the top of the air storage chamber is fixedly connected with The solar heat collector is connected with a heat collecting return pipe, the fermentation chamber is fixedly connected with a compartment plate, the stirring shaft is a hollow stirring shaft, the stirring blade is a hollow stirring blade, and the hollow stirring shaft and the hollow stirring blade are All have defoaming holes, and a vacuum defoamer is connected to the top of the stirring shaft. By installing solar heat collectors, a good temperature in the fermentation room can be maintained, and the use of partition boards can fully ferment the fermentation materials, thereby greatly increasing the gas production of the biogas digester.

The invention discloses an automatic-water-squeezing mop barrel assembly. The automatic-water-squeezing mop barrel assembly comprises a mop and a mop cleaning barrel. The mop comprises a mop rod (1001) and a mop panel (1002), and the mop rod comprises a universal joint (1003) connected with mop cloth and a water-squeezing mechanism connected with the universal joint (1003). The mop panel is of a three-segment structure, the two sides of the mop cloth are fixedly connected with the panel, and the center of the mop cloth is connected with a hook on the universal joint. The water-squeezing mechanism drives the universal joint to rotate, so that the two sides of the mop cloth are twisted to be in a spiral shape, and then water is squeezed out. The mop is used in cooperation with the mop barrel and placed on a support, a pedal is treaded to make a brush set move back and forth, and the mop towel on the mop panel is brushed back and forth. In this way, the mop towel can be brushed cleanly without hand contact.

The invention discloses a toolholder which can be controlled to open and close by a fixing fork spanner and the invention includes a toolholder body. The toolholder body is divided into a neck part, an upper clamping part and a lower supporting part. The neck part, the upper clamping part and the lower supporting part enclose a slot body. The slot body is divided into a blade clamping section and an extending section extended to the neck part. The lower supporting part is provided with a supporting slot that can be cooperated with a supporting fork of the fixing fork spanner. A cut of the supporting slot is arranged at the joint location of the blade clamping section and the extending section. The upper surface of the extending section can keep contact with a rotary fork of the fixing fork spanner to drive the upper clamping part opposite to an elastically rotary supporting surface of the neck part. The toolholder which can be controlled by a fixing fork spanner has the advantages of high intensity of component, convenient for fast blade disassembling and assembling, being able to improve the processing efficiency and reducing the manufacture cost.

The invention provides a self-applied force wheeled vehicle which is used for achieving the purpose that self-applied force is provided for the wheeled vehicle when a load bearing state is changed. The self-applied force wheeled vehicle is provided with a front wheel, a rear wheel and a vehicle frame connecting the front wheel with the rear wheel into a whole through corresponding axles. The vehicle frame is provided with a force transmission component with an inclination angle, wherein an extra load gravity component force applied to the corresponding axle is obtained through a load via the force transmission component, and the direction of the gravity component force is identical to the heading direction of the vehicle. An auxiliary pushing effect on the wheeled vehicle can be achieved through the force applied to the corresponding axle. The structure of the self-applied force wheeled vehicle can be suitable for not only a vehicle with manpower pedaling serving as source power but also a vehicle with an electric or gasoline piston engine serving as a power source, so that auxiliary pushing is provided, and a labor saving effect is achieved.

The invention relates to a shifting tool for a mooring rope and a mooring winch. The shifting tool for a mooring rope can be easily installed on a reel of an existing mooring winch, capable of improving the shifting work of the mooring rope and having excellent convenience. The mooring winch can reduce the labor and easily carry out the work of shifting of the mooring rope by means of the shiftingtool for the mooring rope, thus being labor-saving and being excellent in safety. A shifting tool for a mooring rope (10) attachable to a mooring winch (11) includes an outside fixing member (25), apartition side fixing member (26), and a guiding member (27). The mooring winch (11) includes a drum (13) having outside flanges (12) on both sides. The drum (13) is divided into a storage section (22) and a tension section (23) for a mooring rope (20) by a partition flange (21) provided with a notch (24). The outside fixing member (25) is fixed to the outside flange (12) on the storage section (22) side. The partition side fixing member (26) is fixed to the partition flange (21). The guiding member (27) spanned between the outside fixing member (25) and the partition side fixing member (26) moves the mooring rope (20), which is wound onto the storage section (22) along with rotation of the drum (13), toward the notch (24).

The invention relates to a rocker reciprocating rubbing type pedal bicycle. The rocker reciprocating rubbing type pedal bicycle comprises a bicycle frame, and a rocker reciprocating structure used for controlling pedals to do reciprocating movement up and down is arranged at the pedals of the bicycle frame. The rocker reciprocating structure can be widely applied to all forms of pedal or hand-operated human body power bicycles at present, and the use range is wide; in conclusion, the rocker reciprocating rubbing type pedal bicycle has the advantages that the effective moment arm utilization rate is high, the human body power is utilized fully, the labor-saving effect is superior, the structure is simple and compact, and the use range is wide.

The invention discloses a kind of scissors for fruit trees, which comprises a lock, a scissor handle, a telescopic device, a blade back, a friction surface, a blade, a balance surface, an inner surface, an outer surface, an outer inclined surface, a hexagonal screw, a support point, a gasket, and a nut , a spring and a blade, the lock is located on the scissor handle, the two ends of the spring are respectively located on the scissor handle, the telescopic device is located on the scissor handle, the blade is located on the scissor handle, the blade, the outer surface, The inner surface, the balance surface and the knife back constitute the blade, the hexagonal screw is fixed on the supporting point through a nut, and the spacer is located under the hexagonal screw. The direct distance between the support point and the scissor handle of the scissors of the present invention is increased, which is equivalent to shortening the resistance arm of the lever, and the labor-saving effect is more obvious. The height of the branches makes the performance of the fruit tree pruning shears significantly improved.

The invention relates to a vehicle used to climb slope and step. Wherein, it has a main body, two wheels at the back bottom and a drawing rod with shoulder sheath fixed on the main body; the upper part of main body via mounting base is mounted with a force saver driver, formed by driving axle which is transversely fixed on the main body, two flywheels at the middle of driving axle and the flywheel sheath fixed with flywheels to rotate them; the middle of flywheel sheath is coiled with driving drawing lines, while two sides are coiled with flywheel rotate lines with spring; two ends of driving axle are driving chain wheels; the driving chain wheels and the inactive chain wheels fixed on the wheel are connected by chains; the wheel is fixed with foldable gear claw. The invention has two functions.

The invention discloses a folding-unfolding type mechanical fire canopy with an automatic opening function. The folding-unfolding type mechanical fire canopy comprises a fire prevention shed capable of being folded and unfolded, a controller, a locking switch, a locking mechanism, a first connecting rope, a second connecting rope and a pulley set, wherein the controller is used for controlling folding and unfolding of the fire prevention shed and opening the fire prevention shed automatically when the temperature is larger than a certain value; the locking switch is arranged on the controller, the locking mechanism is arranged on the fire prevention shed and used for keeping opening of the fire prevention shed; the fire prevention shed and the controller are connected through the first connecting rope; the locking mechanism and the locking switch are connected through the second connecting rope; and the pulley set is used for allowing passing of the first connecting rope and the second connecting rope. The fire prevention shed is of a fan-shaped structure so as to be capable of well controlling flames and smoke in the fire prevention shed, and upward going of the flames is reduced; the fire prevention shed can be folded in a normal situation and can be opened rapidly by utilizing the electromagnet principle; and by arranging a temperature-sensitive piece, when a fire occurs indoors and a person has little time to open the fire prevention shed, the fire prevention shed is automatically opened after the temperature reaches the certain value, and thus the folding-unfolding type mechanical fire canopy has good practical value.

The invention provides a labor-saving stapler, which belongs to the technical field of office appliances, and solves the problem that the operation of the existing stapler is laboursome. The stapler comprises a base, a pressing cover and a staple box, wherein the pressing cover can be pressed downwards under a pressure, and the staple box is arranged between the base and the pressing cover and used for placing staples; the tail ends of the pressing cover and the staple box are respectively hinged with the tail end of the base; in addition, the stapler also comprises an auxiliary upper cover, one end of the auxiliary upper cover is hinged with the middle part of the base, the other end of the auxiliary upper cover is a stressed end and arranged above the pressing cover, and a part above the pressing cover, of the auxiliary upper cover is provided with a force application bar; and when a downward applied force is exerted on the stressed end of the auxiliary upper cover, the force application bar can exert a downward applied force on the upper surface of the pressing cover, and in the process of pressing the auxiliary upper cover downwards, the force application bar can move forwardsalong the pressing cover. Through setting the auxiliary upper cover, the labor-saving stapler can achieve the effect of labor saving by using the lever principle, and the further downwards the auxiliary upper cover is pressed, the more labor force is saved; and meanwhile, the labor-saving stapler is simple in structure and low in cost, and can achieve a significant labor-saving effect.

The invention relates to a wearable power-assisted robot, in particular to a wearable mountaineering power-assisted robot which comprises a wearable mechanical exoskeleton, wherein in each gait period, hip joints on the same side of the wearable mechanical exoskeleton actively output buckling direction power-assisted torque and hip joints on the different sides of the wearable mechanical exoskeleton synchronously and actively output stretching direction power-assisted torque; an inertia measurement unit used for measuring hip joint angle values and angular speed values of the two legs of the human body in each gait period; and a microprocessor used for obtaining a walking phase angle according to a feedback value of the inertia measurement unit in each gait period, so that a function relationship between the walking phase angle and a parameterized assistance curve is obtained by establishing a mapping model, and then the microprocessor outputs a PWM driving signal to control the hip joints of the wearable mechanical exoskeleton to actively output an assisting torque corresponding to the parameterized assistance curve. Meanwhile, the invention further designs a power-assisted control method. The technical problem of mountain climbing assistance online adjustment is solved, and mountain climbing assistance experience is optimized.