805results about How to "Simple installation and disassembly" patented technology

A windshield wiper is provided which includes a wiper frame; a scraper having an upper and a lower surface defining opposite leading edges, the upper surface connected to the wiper frame, wherein the wiper frame and scraper form an assembly having a means for rotation about a fixed point relative to a wiper arm; and at least one wiping blade connected to the lower surface of the scraper.

The invention relates to a device and method for preparing a rock-like material structural plane and utilizing the rock-like material structural plane to a shearing test. The device comprises a test part manufacturing system, a test part system, a loading system and a data acquisition system. The device provided by the invention can realize preparation of the rock-like material structural plane and a weak intercalated layer structural plane containing different fillers, and researches on shearing properties of the structural plane can be realized.

A spring-biased latching mechanism eliminates the use of brackets and screws to retain expansion cards or electronic circuit boards in computers or similar information handling systems. The spring-biased latching mechanism has a latching member that is cammed out of the path of a computer expansion card as the card is inserted into the computer housing; the latching or retention member may be pushed to a fully retracted or withdrawn position and latched, thus removing the latching member from interference with the expansion card and permitting easy removal of the expansion card. The spring-biased latching member is provided with a groove to provide guidance to the expansion card during insertion and may stabilize the card whenever the latching member is extended to retain the expansion card in position relative to a computer motherboard. Elimination of the screws and brackets prevents any potential damage to the electronics of the computer resultant from dropped screws or bracket contact and any subsequent damage to electronic circuit boards in the computer. The spring-biased latching mechanism also greatly improves the speed of assembly and / or disassembly.

The invention discloses a near-field plume mass-spectroscopic diagnostic E*B probe based on the Faraday cup and belongs to the technical field of plasma mass-spectroscopic diagnosis. The probe mainly applied to measuring near-field plumes of an ion thruster and of a Hall thruster comprises a central frame, ferrite permanent magnets, a flat electrode plate, an electrode plate holder, a collimator tube, a drift tube, a Faraday cup, six carbon steel shells and an anti-sputtering heat-insulating layer. According to the connectional relation, the central frame is used as a core part, the ferrite permanent magnets are distributed on upper and lower surfaces of the central frame, the electrode plate is fixed in the central frame, and an orthogonal electromagnetic field area is formed. The six carbon steel shells are used for packaging, and the front ends of the shells are coated with an anti-sputtering heat-insulating layer. The collimator tube of stainless steel and the drift tube are fitly fixed to the centers of two ends of the central frame through shaft holes. Ions different in valence are screened by adjusting voltage among the electrode plates, univalent and bivalent ion currents are acquired with the Faraday cup of aluminum, and the ratio of near-field plum bivalent ions is acquired by analytical computing.

The invention discloses a submerged plant planting device, comprising a buoyancy layer, connection ropes, a submerged plant planting layer, a fixed rope an and anchor, wherein the buoyancy layer is formed by a peripheral frame and 12-20 float bowls fixed on the peripheral frame; the submerged plant planting layer is formed by 10-30 planting bricks connected through connecting pegs; each planting brick is formed by a hollow frame and planting matrix filled into the hollow frame, and can adapt to a plurality of submerged plant propagule such as sprouts, clints, seeds and the like; the buoyancy layer is connected with the submerged plant planting layer through four connection ropes; a connecting peg is arranged at the center part of the submerged plant planting layer and connected with the fixed rope; the other end of the fixed rope is connected with the anchor and arranged at the water bottom; the submerged plant planting layer floats up and down along with water-level fluctuation, but the distance to the water level is kept constant all the time. The planting brick structure and the submerged plant root are good to fit, the device is stable in form for a long period of time, the effect on the submerged plant caused by drastic change of water level and stormy waves can be effectively avoided, and the overall device is simple to assemble, and free of labor management in the actual operation process.

An improved paint cup structure of a paintball gun designed according to the assembling of a paint cup and a paint connector of the paintball gun comprises a pair of paint cup embedding guide ribs with a guide inclination and installed at the exterior of an outlet pipe at a lower end of the paint cup, a pair of guide slots corresponding to the embedding guide ribs and formed from the top of an internal wall of the paint connector, and a pair of embedding latch slots with a guide inclination and extended laterally from the bottom of the guide slot, such that the paint cup can be mounted or removed, and the embedding guide ribs of the paint cup together with the guide slots of the paint connector and an embedding latch slot to obtain a quick and convenient assembling or disassembling and maintain a good positioning effect.

The invention discloses a cleaning and flaw detection robot for electric power metal parts. All longitudinal rotating joints are in rotatable connection through connecting plates. The upper ends of walking rotating joints are in rotatable connection with the longitudinal rotating joints on the two sides through connecting plates to enable all the rotating joints to be in integrally series connection, and electromagnetic chucks are fixed at the lower ends of the walking rotating joints. A main control unit sends instructions to control units placed in all rotating joints to control all the rotating joints to move to achieve stretching and shrinkage of a robot body, and meanwhile the positions of the electromagnetic chucks are adjusted. The main control unit sends instructions to control units on a cleaning device and a flaw detection device to control the cleaning device and the flaw detection device to work. According to the cleaning and flow detection robot for the electric power metal parts, the electromagnetic chucks are used for sucking and positioning, various climbing step states under different operation environments can be achieved, the electric power metal parts can be cleaned and detected, and the cleaning and flaw detection robot is particularly suitable for flow detection of small-diameter pipelines, discontinuous or staggered-connection electric power metal parts and the like.

The invention discloses a modular reconfigurable robot, and belongs to the technical field of articulated robots. The modular reconfigurable robot comprises an upper computer and a robot, wherein the robot is connected with a controller area network (CAN) communication interface card of the upper computer through a CAN bus. The modular reconfigurable robot is characterized in that: the robot comprises a base module, a clamping jaw module and a plurality of joint modules and connecting rod modules alternately connected between the base module and the clamping jaw module, and the modules are combined into multiple structural robots of 2 to 7 degrees of freedom, wherein the base module is connected with the joint modules, the clamping jaw module is connected with the connecting rod modules, and a power / signal bus for electric connection is arranged in each module. Plug D-type connectors are adopted at electric connection interfaces of all the modules; and flange structures are adopted at mechanical interfaces of all the modules, so the robot is simply assembled and disassembled and easily positioned. The assembled robot has no exposed electric wire, so the electric wire winding problem is not produced when the robot moves. Mechanical and electric limits are arranged in the joint modules, so the use safety of the robot is improved.

The invention relates to the field of film preparation, in particular to an arc ion plating device which controls arc point movement by a rotary magnetic field and is controlled by a rotary transverse magnetic field with the multi-mode programmable modulation. The device is provided with a target material, a rotary magnetic field generating device, an electromagnetic coil, an insulating bush, a flange, a vacuum chamber and a matrix holder, wherein, the matrix holder and the target material are arranged inside the vacuum chamber, the front face of the target material is opposite to the matrix holder, the back of the target material is provided with electromagnetic coils, the rotary magnetic field generating device arranged outside the vacuum chamber is sheathed on a flange sleeve or an furnace body tube around the target material, and insulation is used for protection between the rotary magnetic field generating device and the flange sleeve or the furnace body tube. By controlling the arc point movement by the rotary transverse magnetic field with the multi-mode programmable modulation, the arc ion plating device can improve the discharge mode and the operating stability of the arc point, improve the etching uniformity and the utilization rate of the target material and reduce the large particle emission of the target material. The arc ion plating device is used for preparing high-quality films and functional films and expanding the application range of the arc ion plating.

A method for assembling a steel box girder of a curve bridge by a sliding method includes setting up two rows of supports along a bridge direction, and setting up cross beams on each row of supports in a transverse bridge direction. According to the bridge curve, laying a track on the crossbeams of each support along the bridge direction, arranging a wheel-rail type beam transporter on the track,lifting a section of steel box girder to be installed on the beam transporter by a crane, driving the beam transporter to travel along the track, and transporting the steel box girder to the design installation position; Two jacks are respectively arranged on the bracket cross beams on both sides of the steel box girder on the outside of each track, and the jacks are activated to lift the steel box girder upward, so that the steel box girder leaves the top surface of the beam transporting vehicle, and the beam transporting vehicle returns to transport the next section of the steel box girder.The invention improves the traditional sliding method and is suitable for the installation and construction of the steel box girder of a curved bridge.

A connection arrangement for detachably connecting a first flexible tank and a second flexible tank in an aircraft includes a latching device, a first tubular connecting element attached to the first tank, and a second tubular connecting element attached to the second tank. The first and the second connecting elements are detachably connected to each other using the latching device. In a connected state of the connecting elements, fluid exchange can take place between the first and the second tanks via the first and the second connecting elements, the latching device is disposed inside one of the first and second flexible tanks and is actuatable from outside the respective flexible tank.

The invention discloses a photovoltaic panel frame with cleaning and protecting functions. The photovoltaic panel frame comprises a base plate, a bracket, a mounting panel and a photovoltaic panel. The photovoltaic panel frame is characterized in that a cleaning assembly is rotatably mounted on the mounting panel and comprises a mounting block, a first pipeline is fixedly connected to the end surface of the mounting block, a water pump is mounted on the base plate, a water outlet of the water pump is connected with one end of the first pipeline, and a first valve is arranged at the joint of the water outlet and the first pipeline; a plurality mounting grooves are formed in the mounting block, worm wheels are mounted in the mounting groove, and nozzles are radially and fixedly connected to the side walls of the worm wheels; worm rods matched with the worm wheels are rotatably mounted on the mounting block and coaxially connected with a second electric motor mounted on the mounting block; and the photovoltaic panel frame further comprises a hose, one end of the hose is communicated with inner cavities of the nozzles, and the other end of the hose is communicated with an inner cavity of the first pipeline. According to the photovoltaic panel frame with the cleaning protecting function, the photovoltaic panel can be cleaned completely with no dead angle, accumulated dust, impurities, accumulated snow and ice on the photovoltaic panel can be effectively cleaned, and the photovoltaic panel can be protected under bad weather environments.

The invention discloses a chess playing robot. The chess playing robot comprises a chessboard, chess pieces, a body, a large arm, a forearm, a tail-end small hand and a control system, wherein the body comprises a sleeve and a large arm beam fixing plate; the large arm comprises a large arm beam and a first drive motor; the forearm comprises a forearm driving part and a forearm executing part; and the tail-end small hand comprises a tail-end small hand driving part and a tail-end small hand executing part. A method for controlling the chess playing robot comprises the following steps of: before a chess playing process is started, recording names of the chess pieces at all the positions on the current chessboard, and resetting the large arm and the forearm to initial positions; after the chess playing process is started, detecting the variation of positions of all the chess pieces to obtain coordinates of moved chess pieces; calculating a chess playing decision; calculating chess playing coordinates and the rotating angle of the large arm and the forearm, controlling the motor to move to a corresponding pulse, and driving the tail-end small hand by using the motor to place the chess pieces at decision positions; and after all the chess pieces are moved, returning the large arm and the forearm to the initial positions. Motive power of the robot, which is generated by grasping or releasing the chess pieces, is lifting power, so that the chess pieces can be mechanically and automatically grasped; and the chess playing robot has a simple structure and is convenient and practical.

The invention discloses a drawer panel adjusting and connecting device and a connecting and demounting method thereof. The device comprises an adjusting mechanism fixedly arranged in the side wall of a drawer, a panel connecting member fixedly arranged on a drawer panel and detachably clamped in the adjusting mechanism, and a demounting hook, an eccentric adjusting wheel used for adjusting longitudinal positions of the drawer panel and left and right adjusting buttons used for adjusting horizontal positions of the drawer panel are arranged on the panel connecting member, and the demounting hook is arranged below the adjusting mechanism and bent downwards at the edge of the side wall of the drawer. According to the connecting and demounting method for the device, a front panel can be connectedly fixed on the drawer by the device, the problem of adjusting gaps above and below as well as on the left and right of the drawer panel can be solved, longitudinal gaps and horizontal positions between the front panel and the side wall of the drawer can be adjusted easily and conveniently; the demounting hook is arranged, so that mounting and demounting of the drawer and slide rails is simple, quick and convenient.

The patent relates to a novel seal printer. A jet nozzle is driven to rotate and carry out print through a motor in a printer shell. The number of parts in the printer is reduced, the size of the printer is the same with that of a traditional seal, and the replacing of the traditional seal is realized. At the same time, a coaxial connecting device is arranged in the printer, the structure is simple, and a certain coaxiality difference tolerance is available. The printer is simple to mount and durable.

The invention discloses an elastic wheel for rail transit. The elastic wheel comprises a wheel center assembly, a shock absorption element and a wheel rim with a central hole, wherein the shock absorption element is positioned between the wheel center assembly and the wheel rim, the wheel center assembly is positioned in the central hole of the wheel rim, and a gap S is formed between the wheel center assembly and the wheel rim; and the wheel center assembly comprises a flange plate and a wheel center with a hub hole, the wheel center is provided with an annular notch, the inner hole of the flange plate is sleeved on the bottom of the annular notch of the wheel center, the bottom of the annular notch is provided with an annular clamping groove, a clamping ring is arranged in the annular clamping groove, and the clamping ring is propped against the outer side of the flange plate. The elastic wheel has compact structure, and is safe, reliable and easy to disassemble and assemble, and the cost is saved.

The invention discloses a system for calibrating the leak rates of vacuum leak holes of different leak indication gases. The system comprises a helium mass spectrum leak detector, a standard container, an argon source, a vacuum leak hole to be calibrated, a leak indication gas source, a constant volume chamber, a vortex molecular pump and a turbine mechanical pump; the vortex molecular pump and the turbine mechanical pump are connected with the constant volume chamber and the standard container by pipelines in sequence; one end of the vacuum leak hole to be calibrated is connected with the leak indication gas source by a pipeline, the other end is connected between the standard container and the constant volume chamber, and the helium mass spectrum leak detector and the argon source are respectively connected to the connecting pipeline. Besides, the system can obtain a conversion relation between leak rates when different leak indication gas media are quickly measured using the helium mass spectrum leak detector, via the magnitude of the leak rate of the leak hole measured by a constant volume method and in combination with the leak rates, measured by the helium mass spectrum leak detector, of vacuum leak holes of different leak indication gas media. The system is reasonable in design, simple in structure and convenient to operate, and can be used for calibrating the leak rates of vacuum leak holes of different leak indication gases.

The invention relates to the field of film preparation, in particular to a rotary magnetron arc ion plating arc source which controls the arc point movement by making use of a rotary magnetic field. A rotary magnetic field generating device is arranged in the space around a target material, the rotary magnetic field generating device forms a whole electromagnetic circuit framework by adopting a plurality of magnetic poles which are different from angles differing in a certain angle, connected with each other and are evenly distributed on the same circumference, the amount of the magnetic poles is 4n or 3n, wherein, the n is not less than 1; an excitation coil is sheathed on the magnetic poles or is embedded in a slot between the adjacent magnetic poles, two-phase excitation with the phase difference of 90 degrees or three-phase excitation with the phase difference of 120 degrees is adopted to supply power so as to generate an adjustable rotary magnetic field in a space surrounded by the magnetic poles. By controlling the arc point movement through the rotary magnetic field with adjustable speed and amplitude, the arc source can improve the discharge form and the operating stability of the arc spot, improve the etching uniformity and the utilization rate of the target material and reduce the large particle emission of the target material. The arc source is used for preparing high-quality films and functional films and expanding the application range of the arc ion plating.

The invention relates to a curtain wall unit lifting device and a construction method thereof, which can reduce the manual intervention during the construction. The device comprises a combined bracket, a rope coiling device, grabbing devices, a sling rope and two guide ropes, wherein the combined bracket is arranged at a high place on a building; the rope coiling device is arranged at a position which is lower than the high place of the building; the grabbing devices comprise four grabs and four elastic rope loops; the four grabs are clamped at the four corners of a curtain wall unit respectively; the elastic rope loops are simultaneously sleeved on the four grabbing devices and tensioned on the four grabbing devices; the sling rope is wound on the four grabbing devices, extended upwards,extended downwards to the rope coiling device after passing through fixed pulleys on the combined bracket and coiled by the rope coiling device; the upper end of each of the guide ropes is connected with the combined bracket and the lower end of the guide rope is arranged on a pile or manual self-locking winch on ground and fixed in the vertical direction; and the two guide ropes are positioned on the two sides of an ascending path of the curtain wall unit respectively and connected with adjacent side edges of the grabbing devices through two traction ropes, the sling rope and the elastic rope loops respectively.

The invention discloses an operating mechanism for a manual transmission of an automobile. The mechanism comprises a gear-shifting shaft, a gear-selecting interlocking block, an elastic pin, a gear-shifting shifting block, a gear-shifting interlocking plate, a shell, a gear-selecting positioning seat and a gear-shifting positioning seat, wherein the gear-selecting interlocking block and the gear-shifting shifting block are fixedly connected with the gear-shifting shaft through the elastic pin respectively and are positioned on the outer side of the shell respectively; relative motion does not exist among the gear-selecting interlocking block, the gear-shifting shifting block and the gear-shifting shaft; and the gear-selecting positioning seat and the gear-shifting positioning seat are fixedly connected with the shell of the transmission respectively. A gear-selecting force-sensing block, an interlocking shifting block and a limit mechanism are integrated on the same part through a centralized design, so that the mechanism has a compact structure, a reasonable design, good gear-selecting handfeel and high comfort, is easy to assemble, reduces the processing cost of parts, saves raw materials, and realizes the functions of neutral gear positioning, gear-selecting return, gear-selecting force generation, gear-shifting force generation (for enhancing gear-shifting suction feeling) and the like. The invention is suitable to be used as an operating mechanism for the manual transmissions of various vehicles.

The invention discloses a cloth reel device for textile machinery, comprising a base, a support column is fixedly connected to one side of the upper end of the base, and a top plate is fixedly connected to the top end of the support column, and a driving motor is arranged on the upper end of the top plate. And the lower end of the driving motor is provided with a rotating shaft, and the outward extension end of the rotating shaft passing through the inner wall of the top plate is provided with a limiting groove, and a first protrusion is inserted in the limiting groove, and the lower end of the first protrusion is fixedly connected with a The first fixed plate, the bottom end of the first fixed plate is evenly surrounded by several reels, the lower end of the second fixed plate is fixedly connected with the first fixed block through the disc, the lower end of the first fixed block A second protruding block is inserted through the groove, and the second protruding block is fixedly connected with a circular clamping block through the telescopic rod. The invention has the advantages of simple structure, easy installation and disassembly, more convenient cloth coiling, no manual winding, reduced labor force, improved production efficiency, and is suitable for wide popularization.

The present technology generally relates to jet engines, in particular for an aircraft, having at least one turbine shaft on which at least one compressor and a turbine are arranged, and a housing extends over the lateral surfaces of the jet engine, wherein furthermore at least one electrical generator unit for generating electricity is arranged on at least one turbine shaft, wherein the electrical generator unit has a locating plate and a generator, wherein the generator unit is detachably mounted on the engine-side locating plate. Therefore, a jet engine having a generator unit is provided which permits simple installation, removal and servicing of the generator unit in or out of the jet engine.

The breach lock is for use in securing open the breach of an assault rifle during cleaning of the bolt action and the breach between uses of the assault rifle. The breach lock includes a notch along a top of the breach lock and a hole along the breach lock, which define a length. The breach lock is inserted between the upper receiver assembly and the lower receiver assembly so as to prevent any rotation there between. The notch bolts to the upper receiver assembly whereas the hole employs the pin of the assault rifle to engage the lower receiver assembly. The breach lock is simple in installation and removal with use of an assault rifle, and prevents unwanted collapse between the upper and lower receiver assemblies, which would otherwise pinch or injure the hand and fingers of an end user when cleaning.

The invention provides a removable closure system comprising a tubular member having an internal surface with an internal profile therein, an entrance end and a plug end, the internal profile providing a collet shoulder and a plug stopping shoulder. A plug assembly is positioned within the tubular member. The plug assembly has a plug suitable for insertion through the tubular member at the entrance end and past the collet shoulder, a collet with a plurality of collet fingers. The collet fingers are moveable between a collapsed and a normally expanded condition, the collapsed condition suitable for insertion of the plug assembly through the tubular member past the collet shoulder and the expanded condition suitable for engaging the collet shoulder. When the plug assembly is placed in the tubular member against the plug stopping shoulder, and the collet fingers are in the expanded condition engaging the collet shoulder, the plug assembly is removably secured in the tubular member.

The invention discloses a portable mobile device with a replaceable internally-connected lens. The portable mobile device with the replaceable internally-connected lens comprises a portable mobile device body and a COMS camera shooting module, and further comprises the internally-connected lens, wherein a groove body structure with an inverted-cone-shaped opening is arranged on one surface of the portable mobile device body, the COMS camera shooting module is arranged at the bottom of the groove body structure, and the internally-connected lens is installed in the groove body structure of the portable mobile device body through a connecting device. According to the portable mobile device with the replaceable internally-connected lens, due to the fact that the replaceable internally-connected lens is assembled on the top of the COMS camera shooting module in the limited internal space of the portable mobile device body, the function of the digital camera for carrying out camera shooting or taking pictures to carry out capture of external images is greatly improved, and a user can replace the internally-connected lens with an optical lens with the wide angle framing function, an optical lens with the long distance zooming function, an optical lens with the near shooting microscopy function and an optical lens with the light source filter function as needed so that the using purpose that the user carries out different types of special application can be achieved.

The invention relates to a floating type temporary in-situ purification device for sewage draining exits of a riverway. The floating type temporary in-situ purification device comprises a solar aeration system, a buoyancy system, an aquatic plant system, a floating bed framework supporting system, a combined filler system and a floating type water purification barrier system, wherein the solar aeration system is arranged on the buoyancy system; the buoyancy system, the combined filler system and the aquatic plant system are arranged in the floating bed framework supporting system; the floating type water purification barrier system is arranged below the floating bed framework supporting system. By the adoption of an in-situ ecological purification technology, the device can effectively remove organic pollutants and nutritional salt such as ammonia nitrogen which are discharged from the sewage draining exits and also can efficiently remove SS. The device does not need a piling fixing device; a floating type water purification barrier floats up and down according to a water level change and can effectively prevent rain wash; by the adoption of a solar system for aeration, no electricity is needed, so that the operation cost is low, the occupied area is small, the investment cost is low, and the dismounting and movement are facilitated; the floating type temporary in-situ purification device is applicable to in-situ temporary purification treatment for the scatteredly dispersed sewage draining exits of the riverway.

The invention provides a cell tissue staining method which can keep a slide still and control the flow mode of a staining solution, and a staining machine thereof. The staining machine mainly comprises a liquid storage tank, a solenoid valve, a dye vat, a machine frame, a control system, a transition block and a liquid collection device; the liquid storage tank is positioned at the upper part of the machine frame; the dye vat is positioned at the lower part of the machine frame; the liquid collection device and the solenoid valve are positioned between the liquid storage tank and the dye vat; the liquid storage tank is connected with the liquid collection device through the solenoid valve; and the liquid collection device is connected with the dye vat through the transition block. The method is characterized in that the natural liquid level pressure difference of the staining solution serves as a liquid working power source during the entire process of staining; the staining solution in the liquid storage tank flows into the liquid collection device through the solenoid valve; the staining solution in the liquid collection device is heated to the temperature set for staining, and then flows into the dye vat provided by a slide through the transition valve; and the staining process is completed by the slide in the dye vat. Compared with the traditional staining machine which keeps staining solution still and controls the model of slide movement, the invention is advanced and can achieve the effects of enhancing staining effect, improving staining efficiency, saving energy, reducing pollution and saving staining cost.

The invention relates to a concrete drilling and sampling machine. The concrete drilling and sampling machine comprises a drill. The concrete drilling and sampling machine is characterized by further comprising a platform, wherein an inner cavity is arranged in the middle of the platform; the drill is arranged on the platform and is fixedly connected; the upper end of a drill bit is fixedly connected with a power output shaft of the drill; a coring device is arranged in the drill bit; one end of the coring device protrudes out of the drill bit; the lower end of a cooling circulation device is arranged in the inner cavity of the platform, the upper end is arranged in the drill bit and is fixedly connected with the drill bit, and the middle is fixedly connected with the drill; and a splash guard is sleeved on the drill bit and forms a slip connection. The drilling and sampling operation can be performed by injecting cooling water into a water tank, placing the sampling machine on a concrete slab, regulating and fixing the coring device to the upper end of a sliding chute, and sleeving the splash guard on the drill bit; and a sample can be taken out from the drill bit by stopping the drill after drilling to a predetermined depth, loosening a nut of the coring device and pressing a horizontal lever downwards.

The invention discloses a multipurpose vegetable cutting mechanism and a multifunctional vegetable cutting machine and belongs to the technical field of vegetable cutting machines. According to the multipurpose vegetable cutting mechanism, an inclined vegetable guiding opening is formed between a vegetable baffle and a slicing knife fixing part which is horizontally provided with a slicing knife located on a vegetable inlet of the vegetable guiding opening, and a secondary vegetable cutting cavity is formed below a vegetable outlet of the vegetable guiding opening; a blade assembly is installed below a vegetable hopper, and a horizontal movement starting point and an end point of the slicing knife are located on the two sides of a vegetable entrance of the vegetable hopper respectively; longitudinal shredding knifes which are vertically arranged and located on the vegetable inlet of the vegetable guiding opening are selectively installed on the vegetable baffle; transverse shredding knifes which are horizontally arranged and used in cooperation with a cutting-off chopping board are selectively installed in the secondary vegetable cutting cavity. The invention further discloses the multifunctional vegetable cutting machine. On the basis that the principle of the cutting mechanism and the cutting machine is similar to that of manual vegetable cutting, vegetables are fast cut off, vegetable fiber texture is kept intact, the cut vegetables taste good, and the problem that vegetables are seriously extruded when the vegetables are shredded and cut into blocks through single procedures is solved in the aspect of the principle.