352results about How to "Avoid skew" patented technology

Disclosed is a fastening and straightening apparatus for transplanted trees. The apparatus includes an outer hoop, inner hoops and support legs. A plurality of the inner hoops are arranged in the outer hoop. The inner hoops are arc metal plates. A connecting rod is arranged on each inner hoop. The connecting rods are arranged on the outer hoop in a passing manner. Second ear plates are arranged onthe outer wall of the outer hoop. Each support leg is connected to the corresponding second ear plate through a third fixing bolt. The outer hoop consists of two semi-circular annular metal plates. Afirst ear plate is arranged on one end of the each of the two semi-circular annular metal plates. Second fixing bolts pass through the corresponding two ear plates to fix the two semi-circular annular metal plates. The other ends of the two semi-circular annular metal plates are hinged to each other by hinges. The connecting rods are threaded rods. A first fixing bolt is arrange on one section, located on the outer side of the outer hoop, of each connecting rod. Each third fixing bolt is a bolt with a smooth section. Through the adoption of the structure, the stable fastening and straightening work of the transplanted trees is realized, and skewing and collapsing problems of the trees happening in the tree growth process can be effectively avoided.

This utility model relates to the field of automotive parts stamping technology, specifically to an automotive parts stamping positioning mechanism. It includes a base, an upper die base, and a lower die base. A component is disposed between the upper and lower die bases. A mounting frame is provided on the base, and a component-limiting mechanism is disposed within the mounting frame. An adjustment mechanism for adjusting the position of the mounting frame is also provided on the base. The limiting mechanism includes four sets of symmetrically distributed limiting brackets within the mounting frame. Two sets of symmetrically distributed first push rods and two sets of symmetrically distributed second push rods are slidably mounted within the mounting frame. Through the cooperation of the four sets of symmetrically distributed limiting brackets and the linkage push rods, clamping force can be applied synchronously from the four corners of the component, ensuring precise alignment between the material center and the die cavity, avoiding misalignment caused by dimensional tolerances. The transmission structure of the slide, rack, and gear enables the four sets of limiting brackets to move synchronously. Combined with the elastic reset function of the torsion spring, this ensures clamping stability and adapts to material deformation during stamping.

The utility model relates to the technical field of ceramic tile packaging equipment, and provides a paper conveying device for a ceramic tile packaging line, which comprises a support and a paper feeding driver, the support is provided with a paper feeding mechanism, the paper feeding mechanism comprises at least one transmission part, the transmission part is provided with at least one hook part, one end of the transmission part is inclined upwards, and the other end of the transmission part is provided with at least one hook part. The paper feeding driver is used for driving the transmission part to rotate. According to the utility model, a traditional horizontal conveying mode is changed, one end of the transmission part is obliquely arranged upwards, and the transmission part drives the hook part to provide power for the leatheroid, so that the spatial layout is optimized, and the leatheroid is arranged right below the subsequent brick arrangement; a confluence mode is adopted in the brick advancing direction to enable leatheroid and bricks to complete the paper distribution action in the moving process, the paper distribution and brick distribution procedures do not need to be stopped, and the paper feeding stability and the paper distribution efficiency are remarkably improved; meanwhile, the space layout of the equipment is optimized through inclined arrangement, the plane space occupied by the equipment is reduced, and the space utilization rate is increased.

The utility model relates to fluent strip technical field, and disclose a kind of fluent strip of being convenient for splicing, including bottom plate, the surface of bottom plate is equipped with sliding slot and two groups of symmetrically arranged guide slot, the inside of sliding slot is provided with adjusting assembly, the adjusting assembly includes moving seat, the inside of sliding slot is slidably connected in moving seat, moving seat is symmetrically provided with two groups, and two groups moving seat are connected by two-way threaded rod screw thread between the moving seat, the surface of moving seat is fixedly connected with track plate, the sidewall of track plate is equipped with multiple groups of array distribution's jack, the inside of jack is inserted with shaft, the outer wall of shaft is rotatably connected with pulley. The fluent strip of being convenient for splicing, by two-way threaded rod, hand wheel and the adjusting assembly of moving seat, can synchronously drive two groups of track plate to be close or far away, quickly adapt the installation demand of different size pulley, so that multiple specifications pulley can be flexibly matched.

The fuel pump guide rod press-fitting device comprises a bottom plate, an upper cover seat is arranged on the bottom plate in a sliding mode, an upper cover groove used for containing an upper cover is formed in the upper cover seat, a guide rod seat and a lining seat are arranged on the side, in the sliding direction of the upper cover seat, of the bottom plate, and a first driving cylinder is arranged on the side, away from the guide rod seat, of the lining seat of the bottom plate. A push plate is arranged at the end of a piston rod of the first driving cylinder, a plurality of ejector rods matched with the guide rods are arranged on the push plate, a filter screen groove used for bearing the filter screen frame is formed in the push plate, and a second driving cylinder is arranged on the side, away from the guide rod base, of the upper cover base of the bottom plate. The ejector rod and the filter screen frame are simultaneously driven through the first driving cylinder, synchronous operation of pressing the guide rod into the upper cover and pressing the filter screen frame into the lining is achieved, press fitting of the breather valve is synchronously completed through the second driving cylinder, three independent procedures are integrated on the same equipment to be synchronously completed, the assembling efficiency and the assembling precision are greatly improved, the structure is compact, operation is convenient and fast, and cost is low. The positioning is reliable.

This disclosure relates to the technical field of strip steel right-angle edge protection processing equipment. One embodiment of this disclosure provides an edge protection processing device for strip steel production, which includes: a frame and a drive motor. The drive motor is disposed at the bottom of the frame, a feeding assembly is disposed on the frame, a directional sleeve is fixed on the surface of the frame, and a conveying and forming assembly is disposed on the frame. The conveying and forming assembly includes a pair of conveying rollers, both of which are rotatably connected to the frame. Each conveying roller has a transmission gear at its upper end, and the transmission gears mesh with each other. One of the conveying rollers is controlled to rotate by a motor. A first hydraulic cylinder and a second hydraulic cylinder are respectively disposed on the frame. Through the above technical solution, the technical problem of the prior art, which usually involves first transporting the strip steel to the bending area, bending it using a specific mold and pressure equipment, and then pushing it backward after forming before cutting, cannot be completed simultaneously.

The application discloses an industrial steel cutter with adjustable cutting depth and an implementation method thereof, and relates to the technical field of industrial cutting tools, aiming to solve the problem that most of the existing industrial steel cutters adopt fixed structures or simple bolt adjustment structures, the cutting depth of the fixed steel cutter cannot be adjusted, and the steel cutter can only adapt to a single machining condition, the bolt adjustment structure only relies on a single bolt locking, and cannot realize micron-level precision fine adjustment, and the technical scheme is as follows: the industrial steel cutter comprises a cutter body shell, a connecting seat with holes, a telescopic blade assembly, a fine adjustment driving assembly and a connecting assembly, a mounting cavity is arranged at the bottom of the cutter body shell, the connecting assembly is slidingly assembled in the mounting cavity, a driving cavity is arranged at the top of the cutter body shell, the telescopic blade assembly and the fine adjustment driving assembly are connected through the connecting assembly, the industrial steel cutter adopts a worm gear and differential variable pitch screw composite transmission structure, the worm gear has a speed reduction transmission effect, and micron-level cutting depth fine adjustment can be realized.

The invention relates to the technical field of fan welding, in particular to a fan impeller welding device which comprises a welding manipulator and a rotating station and further comprises a supporting mechanism which is arranged on the rotating station and used for limiting and cooling blades spot-welded on a wheel disc. The arc-shaped plates are adopted for shielding and protecting the two sides of the welded blades, welding slag can be prevented from adhering to the wheel disc and the blades, then it is guaranteed that the quality of all the blades is consistent with the original design, the difficulty of later dynamic balance correction is lowered, meanwhile, the limiting plates can be used for clamping and limiting the blades during welding, and the welding efficiency is improved. According to the invention, the problems of deflection and deformation of the blade due to high temperature of welding are prevented, the balance design of the impeller is further ensured, the overall production efficiency of the impeller is indirectly improved, and the limiting plate is adopted for clamping the blade which is being welded, meanwhile, the blade can be protected, and welding slag is prevented from being adhered to other positions outside the welding point of the blade.

This invention relates to an adsorption tower and a gas nano-purifier. The adsorption tower includes an outer tube and an inner tube coaxially arranged within the outer tube. The outer tube has a first outlet on its wall. The inner tube includes an inlet section, an adsorption section, and a dust removal section connected sequentially from bottom to top. The inlet section has an inlet on its wall. The adsorption section is filled with adsorbent, and a first filter and a second filter are respectively provided at the connection points between the adsorption section and the inlet and dust removal sections. At least a portion of the sidewalls of the dust removal section is configured as a filter layer. Under purification conditions, the high-pressure gas to be treated enters the inner tube through the inlet, passes sequentially upwards through the adsorption and dust removal sections, enters the annular gap between the inner and outer tubes via the filter layer, and is discharged from the first outlet. Through this configuration, using a tube-in-tube structure with the outer and inner tubes coaxially arranged, the integration of the equipment is improved and its volume is reduced, achieving multi-stage purification of gas within a single component, including diffusion, deep adsorption, and precision dust removal.

The utility model belongs to the field of permanent magnet motor especially a kind of rotor embedding device of permanent magnet motor, it includes base, the rotor embedding device of this permanent magnet motor further includes: portal frame, portal frame bolt connection in the top of base;Rotor embedding subassembly, rotor embedding subassembly includes electric push cylinder and stabilizer, the bottom of electric push cylinder and the top bolt connection of portal frame, the hole of stabilizer top and the output end bolt connection of electric push cylinder, the surface sliding connection of stabilizer's both sides with portal frame;Permanent magnet motor clamping subassembly, permanent magnet motor clamping subassembly includes sliding block, support block, arc frame and clamping wheel, in the utility model, stabilizer is limited to the output end of electric push cylinder and is stabilized, guides electric push cylinder, avoids its after force skew, four clamping wheels can form four point support to the shell of permanent magnet motor, need not to be wrapped support, can increase the adaptability of four clamping wheels, so that it can clamp more size permanent magnet motor.

The utility model provides a kind of construction sand material bulk density detection device, including base, the top of base is provided with weigher, the top of weigher is placed with measuring cylinder, support assembly for keeping the stable work of weigher is arranged between weigher and base, the top of weigher is provided with the connecting assembly for keeping the stable of measuring cylinder;The top of base is provided with the rotation and beating assembly for allowing measuring cylinder to rotate and can be knocked to measuring cylinder to make sand material keep compact, the support assembly includes annular frame fixedly connected to the upper surface of base, the inner wall of annular frame is slidably connected with annularly arranged support block. Through the rotation and beating assembly set, measuring cylinder can be rotated, and the rotating measuring cylinder can be knocked, which can effectively destroy the bridge structure between sand material particles, so that the sand material inside measuring cylinder can reach the compact state, thereby ensuring the accuracy of sand material density value detection.

The utility model discloses an auxiliary frame body bushing mounting hole polishing tool, and belongs to the technical field of tools. The tool comprises a rack; the workbench is used for fixing the auxiliary frame to be polished; the rotating mechanism comprises a rotating shaft fixed to the rack, a bearing arranged on the rotating shaft in a sleeving mode and a bearing seat matched with an outer ring of the bearing, the center of the workbench is fixed to the bearing seat so that the workbench can rotate around the rotating shaft, and a cam bearing of the supporting structure is used for supporting the workbench under the condition that the workbench rotates around the rotating shaft; a limiting mechanism; the left handle mechanism and the right handle mechanism are installed on the workbench, and any one of the left handle mechanism and the right handle mechanism comprises a limiting pin capable of ascending and descending, a spring for driving the limiting pin, a guide shaft and a handle; and under the condition that the workbench rotates to the position above the limiting seat, the limiting pin is clamped into the hole of the limiting seat under the action of the spring so as to lock the position of the workbench. According to the tool, through cooperation of a rotating structure, a supporting structure and a limiting structure, workpieces can be overturned without being carried.

The invention discloses a forestry nursery cultivation device which comprises a seedling box and a seedling container, the surface of the seedling box is provided with a light supplementing lamp, a buffer pool and a seedling groove, the seedling container is arranged in the seedling groove, the length of the seedling container is smaller than that of the seedling groove, the surface of the seedling box is connected with a jacking mechanism, a rotating mechanism and a positioning clamping seat, and the surface of the seedling container is connected with a fluted disc. The fluted disc is in meshed connection with the rotating mechanism and makes contact with the upper side of the jacking mechanism, the upper surface of the fluted disc makes rolling contact with the positioning clamping base, and a detection mechanism is arranged in the seedling raising box; the state of the substrate can be monitored in real time and automatically regulated and controlled by monitoring the color of the color-changing particles, meanwhile, the rainy season is simulated through tidal irrigation, growth of plant roots is stimulated, uniformity and reliability of illumination and rotation in long-term operation are ensured through the rotating mechanism, and guarantee is provided for nursery breeding and seedling raising; the seedling raising container adopts a double-cylinder structure and is combined with an internal root guide ridge, fibrous roots are protected to the maximum extent, and the transplanting survival rate and the seedling recovering speed are increased.

The present application relates to the technical fields of steel metallurgy, and especially relates to a self-consumption furnace crystallizer cleaning device, which comprises a box body, a discharging groove is formed in the left side of the box body, a top cover plate is arranged at the upper end of the box body, a lifting auxiliary mechanism and a rotary cleaning mechanism are arranged at the upper end of the top cover plate, a circulating feeding mechanism is arranged in the box body, a discharging auxiliary mechanism is arranged below the circulating feeding mechanism, a limiting cleaning mechanism is arranged in the rotary cleaning mechanism, and the rotary cleaning mechanism comprises a driving motor which is fixedly installed at the upper end of a mounting platform. Through the rotary cleaning mechanism, the mutual cooperation between the rubber scraper and the liquid leakage through hole can automatically rotate and clean the inner wall of the crystallizer body, quickly remove the impurities remaining on the inner wall of the crystallizer body, and the clean water in the water storage cylinder can be uniformly sprayed out through the liquid leakage through hole during the rotary cleaning process, so that the effect and efficiency of the rotary cleaning can be effectively improved.

The utility model discloses an eye protection cover capable of fixing an electroencephalogram consciousness monitoring connecting line, and belongs to the technical field related to operations. An eye protection cover capable of fixing an electroencephalogram consciousness monitoring connecting line comprises an upper cover plate, two limiting rods are symmetrically and evenly distributed and fixedly connected to the front end of the upper cover plate, elastic hinges are movably installed at the other ends of the limiting rods, and a front protection plate is fixedly connected to the other ends of the two elastic hinges. Window grooves are symmetrically and evenly connected to the rear surface of the front protection plate, and auxiliary plates are arranged on the inner walls of the window grooves. According to the distance between the two eyes of a patient, the limiting button is shifted to transversely move in the sliding groove, the distance between the two auxiliary plates in the window groove is adjusted, the distance between the two eyes is adapted, the patient in an operation is protected, and therefore the distance between the eye pads can be adjusted according to the distance between the two eyes of the patient; and the eyes of a patient in an operation can be effectively protected.

The utility model relates to a reaction disc for specific protein analyzer, including reaction disc body, the reaction disc body has been opened annular groove along its axial direction, the annular groove is detachably connected with multiple groups for placing reaction container's placement assembly, the reaction disc body middle part is equipped with the carousel that can rotate with it, the placement assembly includes placement part and connecting part, the placement part is used for placing reaction container, the connecting part is used for with carousel detachably connected with placement part, this reaction disc for specific protein analyzer not only can modular management to reaction container, need not to take place alone, improve work efficiency, and also convenient to the placement assembly is replaced regularly.

The invention discloses an integrated transformer with a dynamic magnetic flux adjusting function, and belongs to the technical field of transformers. The packaging shell is fixedly arranged on the substrate, and a sealed mounting cavity is defined by the packaging shell and the substrate; the magnetic core assembly is arranged in the sealed mounting cavity and comprises two magnetic core bodies which are oppositely arranged in the axial direction and an elastic supporting piece, the central areas of the two magnetic core bodies are oppositely combined to form a central magnetic column, a variable air gap is formed between the edge areas, and the elastic supporting piece is connected with the magnetic core bodies and the substrate or the packaging shell; the elastic reset device is used for enabling the magnetic core body to float in the axial direction and achieve elastic reset. The planar spiral coil is fixedly arranged on the substrate, is arranged between the internal gaps of the two magnetic core bodies, and is coaxially arranged around the central magnetic column; the magnetic flux adjusting mechanism is arranged on the peripheral side of the magnetic core assembly in a surrounding mode. According to the transformer, continuous dynamic adjustment of working magnetic flux can be achieved, the multiple sets of piezoelectric ceramic pieces which are evenly arranged in the circumferential direction enable the magnetic core body to be stressed in a balanced mode, movement is stable, and deflection and clamping stagnation of the magnetic core body are effectively avoided.

The utility model discloses an aluminum template reinforcing system for a large rectangular section column, which belongs to the technical field of building template reinforcing construction, and comprises a supporting assembly arranged on a transverse plate, the supporting assembly comprises a fixing block, a connecting rod and a supporting plate, the fixing block is fixedly arranged on the transverse plate, a containing groove is formed in the fixing block, and the connecting rod is arranged in the containing groove. A containing groove is formed in the transverse plate, the connecting rod is rotationally connected into the containing groove, telescopic rods are rotationally arranged at the two ends of the connecting rod, the other ends of the telescopic rods are fixedly connected to the transverse plate, the supporting plate is fixedly connected to the connecting rod, a limiting groove is formed below the containing groove, and when the supporting plate rotates to be perpendicular to the transverse plate, the telescopic rods retract. The aluminum template reinforcing system has the advantage that the installation efficiency of the aluminum template reinforcing system is improved.

The utility model discloses a vertical take -off and landing intelligence barrier -free low altitude flight robot, including flight robot main part, the bottom of flight robot main part is fixed with flight platform, and the outside of flight platform is fixed with the wing, the top of wing is installed with the propeller, one side of flight robot main part top is installed with intelligent response aircraft nose, and the surface of intelligent response aircraft nose is installed with high -definition visual camera, the inside of wing is provided with drive groove, and the inside of drive groove is installed with upper jet head and lower jet head through air -push support, the inside of flight platform is installed with gas holder, the bottom of flight platform is installed with the air pump. The utility model not only through setting up air -spraying guide, guarantees the vertical take -off and landing attitude of robot, prevents robot skew or crash, and through a variety of sensor cooperation and annular inductive detection, makes the robot intelligent barrier -free, has improved the security of flight.

The utility model relates to a ceramic keycap with an anti-deflection positioning structure, which comprises a ceramic shell and a mounting seat, the bottom of the ceramic shell is provided with a connecting groove, the mounting seat comprises a base and a mounting column, the mounting column is arranged at the bottom of the base, the base is inserted into the connecting groove and is fixedly bonded with the connecting groove, and the connecting groove and the base are of the same polygonal structure. According to the ceramic keycap with the anti-deflection positioning structure provided by the utility model, the bottom of the ceramic shell is provided with the connecting groove, the base is inserted into the connecting groove during bonding, and the polygonal connecting groove plays a role in limiting, so that the ceramic shell can be effectively prevented from displacement and deflection.

The utility model relates to the technical field of label die cutting equipment, and discloses a label numerical control die cutting device which comprises an installation frame, a conveying belt is arranged on the top of the installation frame, and a die cutting assembly is arranged on the top of the installation frame. According to the label numerical control die cutting device, the rubber guide plate and the insertion rod guide label paper to face the limiting part, label deflection is avoided, the label paper accurately reaches a fixed area above a die every time, it is ensured that a cutter is aligned with the contour, the risks of offset cutting and wrong cutting are reduced, shutdown die cutting is not needed, continuous operation is achieved, the label machining efficiency is greatly improved, the automation level is improved, and the production efficiency is improved. And after cutting, automatic blanking is achieved, manual intervention is not needed, the labor intensity of operators is reduced, the position of the limiting baffle is adjusted, label paper of different specifications is adapted, the limiting baffle is attached to the edge of the label paper, the label paper is limited, and transverse deviation or deflection of the label paper due to inertia in the conveying or die cutting process is prevented.

The application relates to the field of heating pipe processing, and provides a tube needle stamping equipment for a heating pipe, which is applied to the installation of a tube needle and a terminal pin of the heating pipe, the tube needle penetrating through the terminal pin; the stamping equipment comprises a rack, a placing piece, a stamping piece and an abutting piece; the placing piece is installed on the rack, and a placing groove for placing the heating pipe and the needle tube is arranged on the placing piece; the abutting piece is installed on the rack, the tube needle extends to the abutting piece through the placing groove, and the terminal pin is clamped with the abutting piece; the stamping piece is installed on the rack and located above the abutting piece; the stamping piece drives a stamping end to stamp the terminal pin, and the terminal pin is pressed by the stamping end and the abutting piece on the tube needle. The application has the effect of preventing the terminal pin from separating from the tube needle.

The utility model discloses a pneumatic clamping device for carbon block sampling, which comprises a movable frame with an opening on one side, universal wheels which are uniformly distributed are arranged at the bottom of the movable frame, a horizontal cylinder is arranged on one side of the movable frame adjacent to the opening side of the movable frame, a push plate positioned in the movable frame is arranged at the telescopic end of the horizontal cylinder, and the push plate is connected with the movable frame. A rail assembly is arranged at the top of the movable frame, a sliding block is movably mounted on the rail assembly, a vertical air cylinder is arranged on the sliding block, and a mounting plate used for mounting a sampler is arranged at the telescopic end of the vertical air cylinder. According to the pneumatic clamping device for carbon block sampling, a carbon block can be clamped and fixed, a sampler can be installed and fixed, sampling operation can be carried out without transferring the carbon block, relative displacement or deflection between the carbon block and the sampler in the sampling process can be avoided, the influence on a sampling carbon rod can be reduced, and the sampling efficiency is improved. The device is beneficial to improving the accuracy of subsequent quality detection, and is simple in structure and convenient to operate.

The utility model relates to the technical field of flaring machines, and discloses a positioning guide structure of a plastic composite pipe flaring machine, which comprises a support table, the bottom of the support table is slidably connected with a base, the inside of the base is rotatably connected with a rotating shaft, and the surface of the rotating shaft is sleeved with two groups of pushing components. A positioning plate is fixedly connected to the top of the supporting table, two sets of sliding blocks are slidably connected to the interior of the positioning plate, an adjusting assembly is fixedly connected to one end of each sliding block, and the pushing assembly comprises a rotating rod connected to the surface of a rotating shaft in a sleeving mode. According to the positioning and guiding structure of the plastic composite pipe expanding machine, the pushing assembly is arranged, the effect of stably adjusting the height of the expanding machine is achieved, when different pipe diameters are replaced, the supporting height can be rapidly and synchronously adjusted to ensure accurate alignment of a pipe opening and a mold, the center line of a pipe is strictly aligned with the center line of the expanding mold, and the production efficiency is improved. Flaring deflection or uneven stress caused by height dislocation is avoided, and flaring size consistency and sealing performance are guaranteed.

This utility model discloses a card reader device, relating to the field of card reader technology. The card reader device includes a base, a first limiting component, a recognition sensor, and a second limiting component. The base forms a cavity and also has a slot communicating with the cavity. The slot is used to hold a card. The recognition sensor is located on the side wall of the slot and is used to acquire image information of the card along a first direction. Along the depth direction of the slot, the first limiting component and the second limiting component are spaced apart on the side wall of the slot, with the first limiting component located on the side of the slot closer to the opening and the second limiting component located on the side of the slot away from the opening. Both the first and second limiting components are used to abut and limit contact with the opposite sides of the card. The technical solution provided by this utility model aims to improve the stability of the card after it is inserted into the slot, thereby obtaining accurate card information.

The application discloses a propellant charge structure integrity monitoring device for long-term storage and relates to the field of rocket fuel monitoring. The propellant charge structure integrity monitoring device for long-term storage comprises a water tank base, the water tank base is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a servo motor, the output shaft of the servo motor is fixedly connected with a main gear, the fixing frame is rotationally connected with circumferentially distributed lead screws, the thread pitches of the circumferentially distributed lead screws are different, the circumferentially distributed lead screws are fixedly connected with from gears, the fixing frame is slidably connected with circumferentially distributed sliding inner shells, the water tank base and the fixing frame are slidably connected with circumferentially distributed sliding outer shells, the lead screws are threadedly connected with adjacent sliding inner shells, and the sliding inner shells are slidably connected with adjacent sliding outer shells. Different speeds of extrusion are simultaneously performed on the circumferentially distributed propellants, monitoring contrast is formed, and the accuracy of data is further improved.

The utility model relates to the technical field of electronic building blocks, in particular to an electronic building block programming base which comprises a base body, a conductive button, a main board slot and an adapter plate, the conductive button, the main board slot and the adapter plate are all arranged on the base body, and the main board slot, the adapter plate and the conductive button are electrically connected in sequence. According to the electronic building block, the programming board is conveniently connected with the base through the main board slot, then is electrically connected with the conductive buttons through the adapter board, and is directly connected with other electronic building block modules through the conductive buttons, so that the electronic building block is conveniently connected with the programming board, and the programming function of the electronic building block is improved.

The utility model discloses a watering cart for landscaping engineering construction, which comprises a water tank, the bottom of the water tank is fixedly connected with a carrying cart, the right side of the carrying cart is fixedly connected with a mounting plate, and the top of the mounting plate is movably connected with a spraying assembly. Water entering the water tank can be filtered through the filter cartridge, so that the water in the water tank is clean, when excessive impurities are accumulated in the filter cartridge, a linkage plate is pulled to move towards the side away from a transverse plate, the linkage plate stretches a tension spring, the linkage plate drives a sliding rod and a clamping block to move towards the side away from a clamping strip plate, and the water in the water tank is filtered out. After the clamping strip plate and the clamping block are separated, the transverse plate and the filter cartridge are not fixed, the filter cartridge is moved upwards, the filter cartridge retreats from the interior of the water tank, and then impurities in the filter cartridge can be cleaned, so that the water tank has the advantage of being capable of filtering the impurities, the filter assembly is installed at the water inlet of the tank body of the watering cart, and the impurities in water cannot enter the tank body; and the use safety of the water spraying assembly of the watering cart is improved.