47results about How to "Easy to disassemble and combine" patented technology

The present invention discloses a high-precision positioning and direction-finding receiver. The receiver comprises a base plate and a signal terminal and a body which are formed by employing an integrated forming mechanism, a heat radiation rack is sleeved on the body, a plurality of heat radiation fins are equidistantly clamped on the heat radiation rack, two nuts are symmetrically installed onthe heat radiation rack, each nut is in threaded connection with one bolt, the portion, located in the heat radiation rack, of each bolt Is rotationally connected with a first fixture block employingan arc structure, the heat radiation rack is fixed on the body through the first fixture block, two receiving grooves are symmetrically arranged on the body, the inner wall of the bottom end of each receiving groove is rotationally connected with one pedal, and the inner wall of the upper end of each receiving groove is provided with one first cavity. The high-precision positioning and direction-finding receiver is stable in structure, simple to operate, scientific and reasonable in design, short in production cycle, low in manufacturing cost, good in heat radiation performance, convenient todisassemble and assemble and convenient to be fixed on the ground, can save a lot of time and energy of workers, deserves to be popularized.

The invention discloses an efficient composite odorous and VOC (Volatile Organic Compound) waste gas treatment device which mainly comprises a dust collection tank, an acid mist absorption tower, a biological membrane deodorization tank, a dry filter, a gas treatment tank and an absorption washing tower which are connected in sequence, and a PLC (Programmable Logic Controller) control system as well. The device is scientific and reasonable in structural design, definite in function, convenient to mount and dismount and capable of deodorizing organic compounds and chemical waste gases simultaneously.

The invention discloses an anti-explosion secure combined type cable adapting device comprising an adapter body which is composed of an upper fixing block and a lower fixing block, wherein an installation through hole is firmed at the middle part of the upper fixing block and the lower fixing block, a conductive baffle plate is arranged at the middle part of the installation through hole, side fixing plates are arranged on two sides of the adapter body, threaded joints are arranged on the outer sides of the side fixing plates, fixing sleeve covers are arranged in the peripheries of the threaded joints, a sliding installation groove is arranged at the upper middle part of the upper fixing block in a perpendicularly penetrating manner, a limiting block is arranged in the sliding installationgroove, a conductive block is arranged on the limiting block, an installation cover plate is arranged on the upper fixing block, a threaded rod is arranged at the middle part of the installation cover plate, a thermal conducting strip is arranged in the sliding installation groove, thermal conducting wires are arranged on two sides of the thermal conducting strips, and a blind hole and a compression spring are arranged on the upper fixing block. The device provided by the invention is movably fit and combined and convenient to disassemble; the cable is tightly pressed and fixed via the limiting block and connected via the conductive block and the conductive baffle plate, when the temperature rises, the installation cover plate drops down and thus the terminal is connected, so as to be safer.

The invention discloses a combined active power cable connection device. The combined active power cable connection device comprises an adaptor body, wherein the adaptor body comprises an upper fixedblock and a lower fixed block, placement through holes are formed in middle parts of the upper fixed block and the lower fixed block, insulation partition plates are arranged at middle parts of the placement through holes, side fixed plates are symmetrically riveted at two sides of the adaptor body, threaded connectors are arranged at outer sides of the side fixed plates, thin steel sheets are arranged at tail ends of the threaded connectors, fixed sleeve covers are arranged at the peripheries of the threaded connectors, a sliding placement groove is vertically formed in a middle part of the upper fixed block in a penetrating way, a limitation block is movably engaged with the sliding placement groove, a conductive sheet and a wire are arranged on the limitation block, a placement cover plate is arranged on the upper fixed block, and a threaded rod is arranged at a middle part of the placement cover plate. The combined active power cable connection device is movably matched and combined and is convenient to disassemble, a cable is locked and fixed by the fixed sleeve cover, the tail end also can be pressed and fixed by the limitation block and communicates with the wire via the conductive sheet, and the combined active power cable connection device is convenient and flexible to use.

The invention discloses a production device for preparing tic whiskers, and belongs to the technical field of drying devices, an upper cover is arranged at one end of a drying tank, a heating plate and a limiting block are fixedly connected to the inner wall of the drying tank, a supporting rod is fixedly connected to one surface of the limiting block through a screw rod, and a water collecting box is fixedly connected to one end of the supporting rod; the center of the bottom of the water collecting box is fixedly sleeved with a sealing bearing, the center of the sealing bearing is fixedly sleeved with a shaft rod, and the other end face of the shaft rod is fixedly connected with a rotating rake through a screw. According to the production device for preparing the tic whiskers, the horn-shaped filter screen convenient to assemble and disassemble has a vibration function, the solid-liquid separation efficiency is improved, the discharging speed of crystal whiskers can be increased, thearranged water collecting box has the function of automatically collecting liquid, the liquid can be rapidly guided out of the drying tank, the temperature in the drying tank is prevented from beingaffected by the liquid, the drying speed of the crystal whiskers is increased, and then production efficiency is improved.

A combined industrial display is disclosed, including a stable base. A support is fixedly arranged on the outer surface of the upper end of the stable base, the outer surface of one end of the supportis provided with a metal shell, the inner surface of the metal shell is provided with a display main body, a wall hanging handle is fixedly installed on the outer surface of the upper end of the metal casing, a control button is arranged near the lower right corner on the outer surface of the front end of the metal shell, a power indicator lamp is arranged on one side of the control button, and the display main body comprises a No. 1 display and a No. 2 display. The combined industrial display is equipped with the display No. 1 and the display No. 2, the wall hang handle and the rotating shaft, so the screen operation can be better realized, the combined industrial display is convenient for a user to disassemble, the display main body can be hung on the wall surface, the angle of the display main body can be adjusted better, the detachability and the adjustability are improved, and the use prospect is better.

The invention discloses a device for measuring the effect of bioturbation on distribution of pollutants in sediments. The device belongs to the fields of lake ecology and environment protection, and comprises a ventilation cover, a shell, a base, a liner, a sampling station, a sampling shovel and a lifting pedestal, wherein the ventilation cover is fastened on the shell; the liner is arranged in the shell; the shell is connected with the base; a ventilation hole is formed in the top part of the ventilation cover; a vent hole is formed in the bottom part of the ventilation cover; during sampling, the ventilation cover and the base are removed, the lifting pedestal is connected with the bottom part of the shell, a lifting table is arranged on the lifting pedestal, the sampling station is sleeved on the shell and is provided with an edge extending inwards, a platform for supporting is arranged on one side of the sampling station, two raised guide rails are arranged on the platform, and the sampling shovel is arranged on the guide rails of the sampling station. The device not only can simulate an experimental culture process, but also can realize accuracy and speediness during the sampling process, an experiment process is simplified, the experiment time is shortened, and the work efficiency is improved.

The invention relates to a skid-mounted device for circulating treatment of oil field well flushing flowback fluid and a circulating treatment method for oil field well flushing flowback fluid. The skid-mounted device comprises three parts, namely a buffering sedimentation pry, an air-floatation pry and a filtering pry, wherein the buffering sedimentation pry and the air-floatation pry are connected through the water outlet of the buffering sedimentation pry and the water inlet of the air-floatation pry; the air-floatation pry and the filtering pry are connected through the water outlet of the air-floatation pry and the water inlet of the filtering pry; the pries are connected through pipelines; all the devices, pipelines, valves, meters and control systems are integrated on the pries, and are fixed by a steel structure and a platform. According to the invention, the treatment pries are connected through quick connectors, are convenient and fast to disassemble and assemble, and can be flexibly arranged according to the treatment site situation; the skid-mounted device is high in integration degree, compact in structure, small in occupied area, high in automation degree, simple to operate, reliable in performance, convenient to construct, short in period, stable to operate and efficient in treatment, is integrally prefabricated in a skid-mounted manner, and can implement vehicle-mounted mobile operation; the water quality of effluent treated by the device can reach a reinjection water standard.

The invention discloses a docking type cable adapting device in a movable matching mode. The device comprises an adapter body, wherein the adapter body is composed of an upper fixing block and a lowerfixing block, a placement through hole is formed in the middle of the upper fixing block and the lower fixing block, a conductive partition plate is arranged in the middle of the placement through hole, two sides of the adapter body are symmetrically riveted with side fixing plates, the outer side of each side fixing plate is provided with a screwed joint, a thin steel sheet is arranged at the tail end of the screwed joint, a fixing sleeve cover is arranged on the periphery of the screwed joint, a sliding placement groove is vertically penetrated through the upper middle part of the upper fixing block, a slider is arranged on the inner wall of the sliding placement groove, limiting blocks are symmetrically arranged in the sliding placement groove, conductive pieces are arranged on the limiting blocks, a placement cover plate is arranged on the upper fixing block, and a threaded rod is arranged in the middle of the placement cover plate. The docking type cable adapting device is formedin a movable matching mode and is convenient to remove, cables are locked and fixed through the fixing sleeve cover, the tail ends can also be separately pressed and fixed through the two independentlimiting blocks, and thus the device is convenient and flexible to use.

The invention discloses a bagged material loading device comprising a control device, a bagged material conveyor, a sensing measuring device and an industrial robot. The bagged material conveyor is used for conveying bagged materials to a material taking position. The sensing measuring device is used for detecting the position of a carriage. The industrial robot is located on one side of the carriage and is used for moving and stacking the bagged materials in the material taking position into the carriage. The sensing measuring device and the industrial robot are in electric connection with the control device. The bagged material loading system is characterized by further comprising a movable support plate, and the support plate is controlled by the control device and is used for holding the carriage and for driving the carriage to move. According to the bagged material loading system, the carriage can be moved during loading, thus wide-range movement of the industrial robot is avoided, and loading efficiency is improved.

The invention relates to a soil auger for an undisturbed bisect soil column of filed soil, which comprises a power device, an undisturbed soil inner cylinder, a helical outer cylinder and soil cutting devices. The power device is positioned on the top of the soil auger; the power device, the undisturbed soil inner cylinder and the helical outer cylinder are arranged concentrically up and down. A fixing sleeve for the undisturbed soil inner cylinder on a fixed shaft on the lower part of a direction-changing gear case of the power device is coupled to the undisturbed soil inner cylinder. The undisturbed soil inner cylinder is arranged in the helical outer cylinder, and downwards passes through a shield bearing on the lower part of an inner wall of the helical outer cylinder; and two parallel sheet helixes are welded on the outer wall of helical outer cylinder; two helical soil scrapers are welded at the bottoms of the two parallel sheet helixes; and a set of soil cutting device is arranged at the opposite positions of the outer wall of helical outer cylinder respectively. The soil auger has the advantages of simple structure, simple and convenient operation and convenient carrying, is suitable for field survey, observation and sampling related to soil, guarantees the undisturbed performance and the representativeness of the soil, reduces the working capacity, avoids damaging thesoil sample environment, and has the advantages of wide application, accuracy and high efficiency.

The invention discloses a six-dimensional force sensor calibrating device and a calibrating method thereof. According to the device, a six-dimensional force sensor is loaded between a calibrating loading board and a calibrating platform base; at least one force loading device is utilized for applying a pressure to the calibrating loading board, and calibration of the six-dimensional force sensor can be realized; a pressurizing device is used as a loading force source; a large loading force is realized, and the six-dimensional force sensor calibrating device is suitable for performing loading calibration on the large-load six-dimensional force sensor on one hand; and on the other hand, the pressurizing device can realize continuous linear loading of a six-dimensional force; furthermore thesix-dimensional force sensor calibrating device only requires two force loading devices; and through adjusting the direction of the applied force, single loading calibration of each dimensional forceand the moment component and mixed loading of a six-dimensional force component can be realized, thereby effectively reducing the number of loading force sources and reducing structure complexity. Thesix-dimensional force sensor calibrating device and the calibrating method thereof have advantages of simple structure, convenient detachment and combination, and flexible calibration to the six-dimensional force sensor.

The invention provides a dissection platform for animal medical experiments, which comprises a support base plate, moving wheels, support columns, a waste liquid buffer box, a solid-liquid classification buffer box structure, a dissecting experiment operation table plate structure, an adjustable restraint strap structure, a detachable dissecting table structure, a moving tool support box structure, a sterilizable experiment tool push plate structure, a flow guide pipe, a manual control valve, a liquid level observation strip, a liquid discharge faucet and a fixed socket. Through the arrangement of a waste liquid collecting box, a supporting block, a solid collecting hopper, a lifting ring and a filter screen hole, waste generated in the medical experiment process can be collected and filtered, and the solid-liquid separation purpose is achieved; through arrangement of a movable sliding hole, a movable sliding block, a rotary sliding shaft and a jacking nut, adjustment of the movable sliding block in the movable sliding hole is facilitated, a constraint bandage can conveniently fix dissection or experiment tools, the dissection or experiment tools are fixed through the jacking nut, and the limiting and shaping effects are achieved.

The invention provides a teacup convenient for cleaning, which comprises a cup cover, a cup body and an elastic hoop. The teacup convenient for cleaning is characterized in that the cup body is formedby combining a left cup body and a right cup body; the upper end of the left cup body is provided with a thread matched with the cup cover, and a section buckled with the right cup body along a central axis is provided with a concave buckle; the upper end of the right cup body is provided with the thread matched with the cup cover, and the section buckled with the left cup body along the centralaxis is provided with a convex buckle; the left cup body and the right cup body are buckled to form a cylindrical structure with an open upper end and a closed bottom; the elastic loop is the cylindrical shape with openings at two ends, an inner diameter of the elastic hoop is slightly smaller than an outer diameter of the cup body, and the left cup body and the right cup body are tightly buckledtogether under an action of an elasticity of the elastic hoop. The tea cup convenient for cleaning is reasonable in structure, convenient to decompose and combine, and free of dead corners when cleaning the teacup.

The invention discloses a milling cutter special for a numerical control milling machine. The milling cutter comprises a twist drill and a reamer, the twist drill comprises a first cutter head and a first cutter handle, the reamer comprises a second cutter head and a second cutter handle, the second cutter head and the second cutter handle are hollowly arranged to form an installation hole, the reamer sleeves the first cutter handle, the end of the second cutter head is in contact with the end of the first cutter head, and the end of the first cutter handle extends out of the second cutter handle. According to the milling cutter, the twist drill and the reamer are combined, meanwhile workpiece drilling and hole finishing can be conducted, secondary product handling or tool replacement is not required, secondary positioning is not required, the product accuracy is higher, and the processing efficiency is higher.

The invention discloses a gas dispenser for a liquefied natural gas filling station. The gas dispenser comprises a base, a case, a pipeline automatic recovery mechanism, a main side plate, an auxiliary side plate, convex blocks, a top cover, a main slide rail, grooves, hinges, gaskets, an auxiliary slide rail, a main transverse frame, an auxiliary transverse frame, acrylic fiber cloth and a handle; and the base and the case are integrally formed, the rear side wall of the case and the front side wall of the pipeline automatic recovery mechanism are fixed through bolts, and the two sides of thetop of the case are fixedly provided with the main side plate and the auxiliary side plate through bolts. According to the gas dispenser for the liquefied natural gas filling station, through cooperative connection of assemblies, the top of the top cover is provided with the convex blocks to be in riveted to the grooves, disassembling and assembling are facilitated, and the stability is high; inaddition, the acrylic fiber cloth is connected to the auxiliary transverse frame, the two ends of the auxiliary transverse frame are sleeved with rollers and embedded into the main slide rail and theauxiliary slide rail, quick pulling can be conducted according to the use requirements, thus, the gas dispenser can be shielded, and display screen reflection is avoided; and the structure is simple,and implementation is easy.

The invention discloses a protective cover for a urea tank. The protective cover is characterized in that a top cover is arranged above a vertical plate, the vertical plate is arranged on the rear side of the top cover, a left plate and a right plate are arranged on two sides below the top cover, the left plate and the right plate are movably connected with one side of the top cover respectively,sliding grooves are formed on two sides of the top cover, the sliding grooves are embedded in side edges of the top cover, sliding blocks are arranged above the left plate and the right plate and matched with the sliding grooves, pulleys are arranged below the left plate and the right plate, the top cover and the vertical plate are connected in an arc transition mode, an oil port is formed in thejoint of the top cover and the vertical plate, and an air port is formed above the top cover. The protective cover adopts a modular design and is divided into a plurality of pieces which can be combined, and the top cover, the left plate and the right plate can be combined for use according to different conditions, so the protective cover can be freely disassembled and combined to adapt to urea tanks with different sizes.

The invention discloses a special milling cutter for a CNC milling machine, which includes a twist drill and a reamer, the twist drill includes a first cutter head and a first handle, and the reamer includes a second cutter head and a second handle. The second knife head and the second knife handle are hollowly arranged to form a mounting hole, the reamer is sleeved on the first knife handle, the end of the second knife head contacts the end of the first knife head, and the end of the first knife handle The part protrudes out of the second tool handle. The invention combines the twist drill and the reamer, and at the same time can drill and finish the hole on the workpiece, without the need to carry the product twice or replace the tool, and without the need for secondary positioning, and the product accuracy is higher. , higher processing efficiency.

The invention provides a bird nest removing tool of electrical equipment. The bird nest removing tool comprises multiple U-shaped inserting rods which are parallelly arranged on an insulation supporting rod, the U-shaped inserting rods are arranged in a manner that sizes are decreased progressively and successively from top to bottom and form a basket-type structure which is capable of bearing a bird nest, two ends of each U-shaped inserting rod are provided with spine parts, each spine part is provided with an agnail, the U-shaped inserting rods are arranged on a connecting rod, the connecting rod is provided with a screw hole, the upper end of the insulation supporting rod is provided with external threads, and the insulation supporting rod and the connecting rod are in threaded connection. The bird nest removing tool of the electrical equipment provided by the invention has the advantages that design is scientific, removing efficiency is high, completeness of the bird nest can be kept, the bird nest removing tool can be disassembled and assembled, and the removing angle is selectable.

The invention discloses a combined lens processing mold which comprises a mold base body and a mold connector, wherein the mold base body and the mold connector are combined detachably, and two parallel lens binding seats are arranged on the mold base body; for the lens binding seats, bulges are arranged on the outer edge in three directions, an opening is formed on one direction without bulges, a connector locating groove is arranged in the middle of the bottom surface of the base body and provided with a threaded connection hole; and the mold connector is provided with a connecting body matched with the mold base body and can be connected with the connecting body by a screw through the threaded connecting hole, and the connector is further provided with a connection threaded connecting hole connected with a grinding machine tool. In the invention, the two symmetrical binding discs are arranged and can conveniently detached and combined; a technical difficulty that machining of a non-axial symmetrical irregular optical element is difficult to eliminate the irregular astigmatic surface is solved; and the mold is conveniently machined, used and installed, the material cost is lowered and the production efficiency is improved.

The invention provides a detection system of feeding precision of a revolving body special-shaped curve mechanism and a detection method thereof. The revolving body special-shaped curve mechanism comprises a revolution matrix and a peripheral positioning part; a positioning pin on the peripheral positioning part is embedded into a special-shaped curved groove on the revolution matrix and can freely make sliding movements in the groove. The detection system includes an optical autocollimator, a reflector, a rotary table and a height indicator, wherein the rotary table can record a rotation angle and the height indicator is used to measure the height of the peripheral positioning part. The revolution matrix is horizontally fixed on the rotary table; the reflector is vertically fixed on the peripheral positioning part; and the optical autocollimator is fixedly arranged and the collimation axis of the optical autocollimator is horizontally aligned to the reflector. According to the invention, the detection result is reliable; the detection method is flexible; the efficiency is high; and the method is easy to popularize.

The invention provides an operation table for anatomy, which comprises a supporting base plate, moving wheels, supporting columns, a waste liquid buffer box, a solid-liquid classification buffer box structure, a dissecting experiment operation table plate structure, an adjustable restraint strap structure, a detachable dissecting table structure, a moving tool supporting box structure, a sterilizable experiment tool push plate structure, a flow guide pipe, a manual control valve. a liquid level observation strip, a liquid discharge faucet and a fixed socket. Through the arrangement of a waste liquid collecting box, a supporting block, a solid collecting hopper, a lifting ring and a filter screen hole, waste generated in the medical experiment process can be collected and filtered, and the solid-liquid separation purpose is achieved; through arrangement of a movable sliding hole, a movable sliding block, a rotary sliding shaft and a jacking nut, adjustment of the movable sliding block in the movable sliding hole is facilitated, a constraint bandage can conveniently fix dissection or experiment tools, the dissection or experiment tools are fixed through the jacking nut, and the limiting and shaping effects are achieved.

The invention discloses a mechanical angle-adjustable heightening device used based on constructional engineering, relates to the technical field of constructional engineering, and solves the problemsthat a currently used heightening device is relatively thick as a whole, is not beneficial to quickly and conveniently heightening a machine or equipment and cannot quickly adjust an angle after heightening. The mechanical angle-adjustable heightening device based on the constructional engineering comprises a pedestal and a lifting plate; the pedestal further comprises a sliding groove, check blocks and lead screws A; two sets of sliding grooves are arranged at the top of the rear side of the pedestal; the check blocks are fixedly arranged at the rear ends of the sliding grooves; and the leadscrews A are rotatably arranged between the sliding grooves and the check blocks; and by arranging a transmission shaft, a driven shaft, the lead screws A and nut blocks, the lifting plate can be rapidly lifted in parallel through a connecting rod, a connecting rod A and a connecting rod B to be heightened, the device can bear the bottoms of supporting legs of mechanical equipment or tools, the whole device is of a four-side structure, large-scale conveying and carrying are facilitated, and stable use in the constructional engineering is facilitated.

The invention discloses an anti-explosion secure combined type cable adapting device comprising an adapter body which is composed of an upper fixing block and a lower fixing block, wherein an installation through hole is firmed at the middle part of the upper fixing block and the lower fixing block, a conductive baffle plate is arranged at the middle part of the installation through hole, side fixing plates are arranged on two sides of the adapter body, threaded joints are arranged on the outer sides of the side fixing plates, fixing sleeve covers are arranged in the peripheries of the threaded joints, a sliding installation groove is arranged at the upper middle part of the upper fixing block in a perpendicularly penetrating manner, a limiting block is arranged in the sliding installationgroove, a conductive block is arranged on the limiting block, an installation cover plate is arranged on the upper fixing block, a threaded rod is arranged at the middle part of the installation cover plate, a thermal conducting strip is arranged in the sliding installation groove, thermal conducting wires are arranged on two sides of the thermal conducting strips, and a blind hole and a compression spring are arranged on the upper fixing block. The device provided by the invention is movably fit and combined and convenient to disassemble; the cable is tightly pressed and fixed via the limiting block and connected via the conductive block and the conductive baffle plate, when the temperature rises, the installation cover plate drops down and thus the terminal is connected, so as to be safer.

The invention discloses an intelligent three-grille mode septic tank in the technical field of septic tanks. The septic tank comprises a transversely-arranged open plastic tank body. Limiting rings are symmetrically and integrally manufactured on the two sides of the inner wall of the open plastic tank body through injection molding. Partition plates are fixed to the left sides of the two limitingrings through bolts and sealing rings. A tank cover is fixed at the opening of the open plastic tank body through a bolt and a sealing ring; a moving device can move up and down on the partition plate to adjust the positions of metal telescopic pipes on the two sides of a circulating device. Meanwhile, the inclination angle of the circulating device can be changed by utilizing a first electric push rod; the length of the metal telescopic pipes is changed through a second electric push rod; and the device is convenient to disassemble and assemble, the metal telescopic pipes with different diameters are convenient to replace, and the device is conveniently applied to different occasions; and a non-contact liquid level sensor is used for being connected with an external control device, a negative pressure pipeline is convenient to open, operation is convenient, and the intelligent degree is high.

The invention discloses a portable mobile phone optical microscope, and belongs to the technical field of microscopes. The two ends of a microscope lens are fixedly connected with an anti-wear pad andan anti-collision pad respectively, wherein the side faces of the periphery of the microscope lens are fixedly connected with buffer blocks, the surface of one end of the microscope lens is fixedly connected with a left fixing plate and a right fixing plate which are symmetrical in the radial direction, a storage groove is formed in one end of the left fixing plate, one end of the storage grooveis slidably sleeved with a movable plate, and one end of the movable plate is fixedly connected with an anti-falling block. The microscope lens arranged on the portable mobile phone optical microscopeis convenient to disassemble and assemble and convenient to carry, a left chuck has an automatic fastening function, a right chuck has a function of adjusting the distance between the right chuck andthe microscope lens, the microscope lens can be conveniently and rapidly combined with mobile phones of different sizes, and the use convenience is improved; and the anti-wear pad, the anti-collisionpad and the buffer blocks are arranged, so that the microscope lens has the anti-falling and anti-collision functions, and the service life of the microscope lens is prolonged.

The invention relates to the technical field of agricultural machinery and in particular relates to a seed sun-curing turnover device which comprises a telescopic rod, a base platform and connecting plates. The seed sun-curing turnover device provided by the invention is designed in a sliding connection manner, gaps can be adjusted, and the separation effect of the device used as a rake is remarkably improved; the connecting plates are convenient and rapid to assemble and disassemble, and a connecting surface is clamped and fixed in a convex and concave manner, so that gaps are effectively eliminated; the connecting plates can be also used as a shovel, and thus seed leaking can be avoided in use; and the whole device is novel in structure, convenient to adjust and applicable to popularization.