111results about How to "To achieve the purpose of saving effort" patented technology

The object of the invention is to solve the existing problems and provide an angle-adjustable pruning and picking device. The angle-adjustable pruning and picking device comprises a cutter head mechanism, a rotary mechanism, an operating mechanism and a taking-up mechanism, wherein the cutter head mechanism and the rotary mechanism are arranged at the front end of a cutter bar, and the operating mechanism and the taking-up mechanism are arranged at the rear end of the cutter bar; and a rotation auxiliary mechanism is arranged between the rotary mechanism and the operating mechanism. According to the angle-adjustable pruning and picking device, the angle of a cutter blade of the pruning device can be adjusted, the cutter blade and an object to be pruned can always be in a horizontal shearing state during pruning, branches and leaves of high-altitude or low-altitude flowers, plants and trees can be pruned smoothly, and the device can also be used for picking high-altitude fruits.

The invention discloses a ground grinder with handles convenient to adjust. The ground grinder comprises a rack and a water tank arranged on the rack, wherein a grinding table and a driving device used for driving the grinding table are arranged at the front side of the rack; wheels are arranged at the bottom of the rack; a push beam used for pushing the rack to walk is arranged at the rear side of the rack; handle bodies are arranged at the rear end of the push beam; a push beam adjusting mechanism is arranged between the rack and the push beam. The ground grinder has the advantages that as the push beam adjusting mechanism is arranged between the rack and the push beam, users can correspondingly adjust the push beam as required, so that the push beam can swing up and down relative to the rack; when the push beam and the handle bodies are adjusted to proper positions, the push beam can be locked via the push beam adjusting mechanism, so that the operating requirements of different users and different working conditions can be met, thus improving the operation comfort level and providing convenience for the users.

The invention discloses a lever type clamping jig. The lever type clamping jig comprises a first supporting block, a first clamping assembly, a second supporting block and a second clamping assembly. The first supporting block is arranged on the left side, and the second supporting block is arranged on the right side. The first clamping assembly comprises a first support, a first drive device and a first clamping plate. The first clamping plate is rotationally arranged with the first support as the pivot. The left end of the first clamping plate is connected with the drive end of the first drive device in a hinged manner. The second clamping assembly comprises a second support, a second drive device and a second clamping plate. The second clamping plate is rotationally arranged with the second support as the pivot. The right end of the second clamping plate is connected with the drive end of the second drive device in a hinged manner. According to the lever type clamping jig and the lever principle, the other ends of the clamping plates are downwards pressed by ejecting one ends of the clamping plates, and therefore locking or unlocking of the clamping plates is very convenient; and the parts, at the drive ends, of the clamping plates are arranged to be longer, and therefore the purpose of saving labor can be achieved.

The invention relates to a household garbage sorting machine which can sort garbage for a second time according to the proportions, and the machine comprises a stander, a garbage delivering device, a trammel sieve, a bag breaking device and a garbage blow-off device; the garbage delivering device is installed on one side of the stander and the outlet of the garbage delivering device is corresponding to the front end of the trammel sieve which comprises a cylinder sieve body, the two ends of which are provided with two roundabouts; a friction pulley arranged at the outer side of the cylinder sieve is configured with the roundabout arranged at the inlet of the front end of the cylinder sieve in a friction way; the roundabout arranged at the outlet of the back end of the cylinder sieve is configured with a support roller arranged on the stander; the bag breaking device stretches into the inlet at the front end of the cylinder sieve; the lower end of the outlet of the cylinder sieve is provided with the garbage blow-off device. The machine has the beneficial effects of 1) simple structure, convenient production, installation and adjustment and low cost; 2) being convenient for the sorting and blowing of the garbage; 3) tensioning belt pulleys conveniently; and 4) sorting the household garbage with different proportions.

The invention discloses a novel portable automatic fruit picking device. The device is a pure mechanical device which can adjust the picking height and the picking angle, ensure that fruits are perfect in the picking process to the maximum extent and can automatically and circularly convey the fruits back to a picker. The device comprises an annular shearing structure, a rod holder connecting structure, a stretchable rod connecting and sleeving structure, a labor-saving handle structure and an along-rod automatic circular conveying structure; the annular shear structure adopts a multi-angle ringing mode for replacing a common shear tool truncation mode; during operation, a fruit is sleeved with the annular shear structure, a handle is pulled down, a connecting rod is pulled to transfer force to shear fruit rhizomes, and the fruit can fall into a loading basket; when the weight reaches a preset value, the loading basket is disengaged from the annular shear structure to automatically slide down along the conveying track to be transported to a designated point to be fixed, after the loading basket is not fixed, the basket springs back in situ, and the device has the advantages of being stretchable, stable in transportation and the like, and is applicable to picking work at various heights and particularly applicable to picking juicy fruits with soft surfaces afraid of falling.

A bone rongeur for an operation comprises a clamping rongeur head formed by hinging an upper rongeur head body and a lower rongeur head body and a holding handle formed by hinging an upper rongeur handle and a lower rongeur handle. The tail end of a force arm section on the tail portion of the upper rongeur head body is hinged to the front end of the upper rongeur handle through a rotary shaft, a force arm section on the tail portion of the lower rongeur head body is longer than the force arm section on the tail portion of the upper rongeur head body and extends freely to the tail end, the force arm section on the tail portion of the lower rongeur head body is provided with a rack formed through a plurality of teeth in the extending direction, the front end of the lower rongeur handle is provided with a transmission gear, and the transmission gear is in meshed contact with the rack on the force arm section of the lower rongeur head body. Due to the fact that the transmission gear moves along the rack to the extending end of the force arm section of the lower rongeur head body, so that torque of the force arm section of the lower rongeur head body is increased, and the clamping force between the clamping face of the mouth portion of the lower rongeur head body and the clamping face of the mouth portion of the upper rongeur head body is increased. According to the bone rongeur, an operator can save labor when holding the bone rongeur, the situations that hands and upper limbs of the operator are fatigued and the hands tremble due to overexertion are effectively prevented, accidental injury accidents are prevented, and safety of the fine operation is guaranteed.

The invention discloses a marine shipping unloading platform. The marine shipping unloading platform comprises two sets of base stand columns oppositely arranged left and right. Each set of base standcolumns comprises two base stand columns oppositely arranged front and back; rolling wheels are further mounted at the lower ends of the base stand columns; primary lifting grooves are further formedin the upper ends of the base stand columns; primary stand columns capable of moving up and down are further mounted in the primary lifting grooves; and primary transmission rollers are mounted between the primary stand columns correspondingly arranged on the front side and the rear side. The marine shipping unloading platform is provided with a two-layer-structure conveying belt device, the lower layer is provided with the primary transmission rollers and belts through the primary stand columns, and the upper layer is provided with secondary transmission rollers and belts through secondary stand columns; and cargos can be conveyed on the upper layer and the lower layer through the transmission rollers located on the two sides simultaneously for unloading operation, and the working efficiency is greatly improved.

The invention relates to the technical field of coffee makers and in particular relates to a ground bean dripping coffee maker. The ground bean dripping coffee maker comprises a main machine, wherein a bean grinding device and a making device are arranged in the main machine; an upper opening of a funnel of the making device is positioned below a powder outlet of the bean grinding device; a powder dropping channel is formed in the powder outlet of the bean grinding device; the powder dropping channel is formed along a height direction of the main machine; the lower end of the powder dropping channel is connected to a position, which is close to the center, of the opening in the upper end of the funnel. According to the ground bean dripping coffee maker disclosed by the invention, residues of coffee powder in the powder outlet channel can be completely avoided, the powder outlet channel can be kept smooth and does not need to be periodically cleaned by a user, and the coffee maker is convenient to use.

The invention discloses a vertical type bicycle parking device comprising guiding rods, pedal devices, a telescoping mechanism, and a locating seat; the guiding rods which are arranged symmetrically are vertically fixed on the foundation; the guiding rods are provided with sidling blocks; the pedal devices are arranged on the guiding rods; the pedal devices can drive the sliding blocks to carry out up-and-down movement on the guiding rods; the telescoping mechanism is connected with the sliding blocks on the guiding rods; the telescoping mechanism can horizontally slide on a support seat; thelocating seat is fixed on the foundation; the locating seat is provided with a locating hole; the tail end of the telescoping mechanism can be arranged in the locating hole; the front end of the telescoping mechanism is used for locking bicycles; and a folding lifting frame in a pedal lifting mechanism can change rotating force produced by a pedal to lifting force moving in the axial direction ofthe guiding rods. The vertical type bicycle parking device saves space and labor, and it is ensured that the bicycles can be safely and conveniently parked.

The invention discloses a bicycle. The structure of the bicycle is based on the prior bicycle comprising a frame, pedals, a wheel axle fixed on the frame, and a bicycle base connected with the wheel axle, the total weight (comprising a person and materials, a battery and the like) on a bicycle body is used, and through the direction change of force, a cyclist saves labor, thus the structure is applicable to electric bicycles, electric tricycles and pedicabs. In addition to the parts of the prior bicycle, the stricture is added with a No.1 piece which is rotatablely connected with a No.2 pieceby using the upper end of the No.1 piece connected on the frame as a center of circle when people ride the bicycle and using the distance between the center of circle and the No.2 piece as a radius, when the No.2 piece is stressed, the No.1 piece plays a role in positioning the center of circle, and a No.5 piece is pressed to match with the No.2 piece to ensure that the No.2 piece performs arc movements up and down to pull (press) a spring 4 to make the bicycle generate forward assisting force. The upper end and the lower end of a No.3 piece are provided with a wear-resistant part respectively, a sliding part is arranged between the No.3 piece and the No.2 piece, and because of uneven road, the loading capacity on the bicycle body is vibrated up and down continuously to make wheels generate resistance, and the spring 4 is pushed or pressed continuously at the time of the vibration to make up the vibration resistance so as to achieve the function of saving labor.

The invention relates to a prawn intestinal tract extracting machine using a self-made special gear as a transmission device and capable of keeping completeness of prawns, and belongs to the field ofprocessing of foods. The specially-made prawn intestinal tract extracting machine comprises a spring deboosting handle, a self-made special gear transmission device, a drilling head extracting device,a positioning and guiding device and a contour housing. Through the adoption of the prawn intestinal tract extracting machine disclosed by the invention, in the process of extracting out prawn intestinal tracts, the drilling head extracting device is aligned to joints of each prawn tail, the deboosting handle is utilized as a power source, the drilling head extracting device is driven by the specially-made gear transmission device to rotate, and a prawn intestinal tract is extracted out while the whole prawn is not damaged. The prawn intestinal tract extracting machine disclosed by the invention has the advantages that the prawn intestinal tracts are quickly extracted, the efficiency is high, the whole prawn is not damaged, and the prawn meat is not wasted.

The invention discloses a retractable assistance crank mechanism for a bicycle. The retractable assistance crank mechanism comprises a retractable crank, a track mechanism and a crankset, and the retractable crank, the track mechanism and the crankset are connected through a main shaft; the crankset is located between the retractable crank and the track mechanism; the surface of the track mechanism is inwards provided with a track groove; the retractable crank comprises a fixed crank and a movable crank; the fixed crank is internally provided with a slide groove; one end of the slide groove isopened, and the other end of the slide groove is closed; the movable crank slides in the slide groove; one end of the movable crank is provided with a track shaft, and the other end of the movable crank is provided with a pedal; the track shaft slides in the track groove. According to the retractable assistance crank mechanism, through the arrangement of the retractable crank and the track mechanism, the movable crank slides along the track groove, and the acting force of treadling by a rider is changed by changing the length of the retractable handle, so that the purposes of quick riding andlabor saving are achieved.

The invention discloses a device for quickly breaking a pull rope or a pull rod. The device comprises a sleeve connected with one end of the broken pull rope or pull rod and a straight rod connected with the other end; two clamping pieces are arranged in the sleeve and hinged with the sleeve by bolts; a circular lantern ring is arranged at the tail of the sleeve and connected with the sleeve, and blocking pieces extending from the tails of the clamping pieces can prevent the clamping pieces from dropping; a similar ellipse is cut in the lantern ring, so that the lantern ring drives the tails of the two clamping pieces to close during rotating; one end of the straight rod is connected with the pull rope or the pull rod, the diameter of the other end of the straight rod is slightly greater than that of the pull rope or the pull rod, and the connection part is polished into an arc; and the straight rod can be just clamped by the splayed clamping pieces in the sleeve. The device can realize a function of bearing instantaneous breakage of the pull rope or pull rod with certain load, does not produce any other additional influence on a test structure, and is simple and convenient in operation and high in safety.

The invention discloses a computer placing rack. The computer placing rack comprises a bottom plate, wherein two vertical plates which are arranged left and right are integrally connected above the bottom plate; a placing space for placing a computer host is formed between the two vertical plates; the bottom plate extends out of the vertical plate at the right side to form a right extending plate;a fixed base is mounted on the right extending plate; a rotary base is arranged on the fixed base; a telescopic pole is arranged on the rotary base; the upper end of the telescopic pole is fixed witha circular supporting base for supporting a computer display; the upper side of the rotary base is further equipped with a drive device; and the drive device can link the circular supporting base through a transmission device. The computer placing rack disclosed by the invention can place the computer host and the display in an adjacent mode, shortens length of mutually connected wires, and improves the aesthetic effect; and moreover, the computer host can change the angle through the rotary circular supporting base, is convenient and labor-saving in rotation, and further can change height, so that a user who is high is more comfortable in use.

The invention discloses a core drill bit for road surface survey which is convenient for core removal, which comprises a core tube, the top of the side of the core tube is provided with a first through hole, and the bottom of the core tube is provided with a diamond cutter head. The bottom of the diamond cutter head is surrounded equidistantly with chip removal gaps. A bracket is installed on the outside of the top of the core tube. The top of the bracket is welded with a top plate. There are four mounting holes around equidistantly. The coring bit for pavement investigation which is convenient to remove the coring facilitates the detachment of the coring pipe and the core column, improves the coring efficiency, facilitates the survey work, and solves the problem of using the coring bit of the coring machine for coring. The core column is easily stuck in the coring tube, and it is very inconvenient to take it out, which brings some troubles to the coring work, and is suitable for popularization and use.

The invention discloses a gear changeable structure of a screw driver. The gear changeable structure of the screw driver comprises a first pipe fitting and a second pipe fitting. The first pipe fitting is fixedly connected with the screw driver, and the second pipe fitting is fixedly connected with a handle of the screw driver. Further, the first pipe fitting, the second pipe fitting, the screw driver and the handle of the screw driver are placed on the same axis. The second pipe fitting is fixedly or movably connected on the first pipe fitting to control the gear changing of the handle of the screw driver. The outer side surface of the first pipe fitting is provided with a long groove hole parallel to the axis. A gear fitting is placed on the inner side of the second pipe fitting and can be fixedly or movably placed inside the long groove hole. The first pipe fitting is provided with a plurality of ring-shaped gap grooves perpendicular to the axis. The long groove hole is vertically communicated with the ring-shaped gap grooves. The gear fitting can conduct circular motion relative to the ring-shaped gap grooves. The gear changeable structure of the screw driver is simple in structure, capable of achieving an effort-saving purpose through adjusting the two pipe fittings to separately use the positions close to the head of the screw driver when a screw is too long or is in a starting stage of mounting a bolt.

The invention discloses a pair of pliers. The pair of pliers comprises a first pliers body and a second pliers body, wherein the first pliers body comprises a first pliers claw and a first handle which are movably connected; the first pliers claw and the second pliers body are rotatably connected at a first connection position; the first handle and the second pliers body are rotatably connected at a second connection position; and when the relative position between the first pliers claw and the first handle is changed, an acting force exists between the first pliers claw and the first handle, and a torque formed by the acting force by taking the first connection position as a fulcrum is larger than a torque formed by the acting force by taking the second connection position as a fulcrum. The pair of pliers adopts two lever systems, the equivalent lever arm during actual use is prolonged on the premise of not changing the sizes of tools, and accordingly, the labor-saving purpose is achieved. The invention further provides a pair of water pump pliers with the labor-saving structure, and the width of the opening between the pliers claws can be quickly adjusted.

The invention relates to the technical field of photographic equipment, in particular to a novel rotary fast-assembly interface device. The device comprises a mounting female seat and a connecting piece which are used for interlocking, wherein the mounting female seat is provided with a clamping jaw and a locking device, the connecting piece is provided with a buckle, and the buckle is matched with the clamping jaw to achieve axial interlocking. The locking device comprises a positioning pin and a pressure spring, wherein the positioning pin extends out of the mounting female seat under the support of the pressure spring. The connecting piece is further provided with a limiting hole, an inclined face and a receding position, wherein the depth of the receding position is larger than the height of the positioning pin extending out of the mounting female seat; and the connecting piece rotates after being aligned with the mounting female seat, and the positioning pin can sequentially enterthe limiting hole along the receding position and the inclined face. Due to the fact that the receding position has a certain length, before the positioning pin enters the area of the inclined face,the buckle and the clamping jaw are partially staggered, so that when the inclined face presses down the positioning pin, the acting force generated by the pressure spring on the connecting piece is completely offset by the mounting female seat, and it is guaranteed that a user can rapidly install the connecting piece and the mounting female seat in a labor-saving mode.

The invention relates to a bicycle labor-saving device and in particular relates to a bicycle labor-saving device which comprises a transmission rod, a Z-shaped connecting rod, a pedal or handle device. One end of the transmission rod is connected with the pedal or handle device, the other end of the transmission rod is connected with a first cross rod in the Z-shaped connecting rod through a flywheel structure, the Z-shaped connecting rod comprises a pair of parallel cross rods and a vertical rod fixedly connected between the two cross rods, the first cross rod is connected with the transmission rod through the flywheel structure, a second cross rod is used for rotatably connecting with a bicycle frame, and a keyboard is also fixedly connected to the connecting end of the vertical rod and the second cross rod of the Z-shaped connecting rod for driving a bicycle flywheel or driving the bicycle flywheel by a guide wheel. With the adoption of the bicycle labor-saving device, the length of a transmission force arm can be increased, so that the purpose of labor saving is achieved.

The invention discloses a steel fixing structure for high-rise steel structure machining, and relates to the technical field of steel structure machining. In order to conveniently adjust a steel fixing position, the structure specifically comprises a workbench, wherein two first positioning plates are fixed to one side of the outer wall of the top of the workbench through screws, two adjusting base plates corresponding to the first positioning plates in position are fixed to the other side of the outer wall of the top of the workbench through screws, adjusting studs with rotary knobs are connected to the inner walls of the adjusting base plates through threads, and two guide rods are slidably connected to the inner wall of the adjusting base plates and symmetrically arranged on the two sides of the adjusting studs. The position of steel can be flexibly and conveniently adjusted, there is no need to do tedious fixing work multiple times, and the structure is simple, reliable and high in practicability; and by arranging first supporting balls, the two side walls of the steel can be supported, meanwhile, the steel is assisted in translation, the limiting effect is guaranteed, meanwhile, the labor-saving purpose is achieved, and practicability is improved.