19results about How to "Defy gravity" patented technology

The utility model relates to a convenient cart for basket-shaped objects. The convenient cart comprises a base frame, a supporting frame, a pull rod and a locking assembly, wherein the pull rod and the locking assembly are connected with the base frame in a pivoted mode. The base frame is provided with a guide section, a first opening formed in the rear end of the guide section and rollers arranged at the bottom of the base frame; the supporting frame is used for containing basket-shaped objects and comprises a frame body, loading grooves formed in the two opposite sides of the frame body and second openings formed in the rear ends of the loading grooves. A driving rod is arranged between the pull rod and the supporting frame, the two ends of the driving rod are connected with the supporting frame and the pull rod in a pivoted mode respectively, the pull rod drives the supporting frame to be switched between the downward moving position and the upward lifting position through the driving rod, and the locking assembly is used for locking and limiting the position of the supporting frame. When the supporting frame moves downwards, the bottom of the supporting frame is relatively flush with the corresponding horizontal plane, and the basket-shaped object can be pushed into the loading groove through the second opening.

The utility model discloses an anti-crack concrete building block, which belongs to the technical field of concrete building blocks and comprises a storage base and a concrete building block main body stacked at the top end of the storage base, and a polypropylene fiber layer is arranged on the outer wall of the concrete building block main body. Supporting rods inserted into a concrete block main body are fixed to the two sides of the top end face of the storage base, mounting grooves are formed in the side walls of the supporting rods at equal intervals, bearing plates used for supporting the concrete block main body are detachably fixed in the mounting grooves, hollow grooves are symmetrically formed in the center of the concrete block main body, and the bearing plates are detachably fixed in the hollow grooves. According to the anti-crack concrete block, the bricklaying strength and the crack resistance of the concrete block main body are improved, the situation that the concrete block main body bears the gravity during stacking is avoided, and the load bearing during stacking of the concrete block and the stacking storage strength are greatly reduced.

The application provides a small buoy and a coordinated action implementation method thereof. A buoyancy bag with a maximum diameter is designed in a middle cabin section of the buoy to adapt to a change in the central position of the buoy, and the buoy floating stability is improved. The buoyancy bag gas cylinder is designed to inflate the buoyancy bag, and the buoyancy bag is inflated and expanded to the designed diameter to adjust the buoyant center position of the buoy, so that the buoy floating posture is kept stable. The lifting gas cylinder is inflated to inflate the piston cavity, the thrust generated in the inflation instant is used to overcome the gravity, friction and tensile force of the breakable screw of the detection device, so that the detection device can move to the set height. The gas cylinder is inflated to inflate the sealing cavity of the telescopic mechanism, and the friction and shear pin resistance are overcome to expand the telescopic mechanism. The application provides a small buoy and a coordinated action implementation method thereof, and the detection device lifting and the buoy posture adjustment are realized in coordination. The coordinated action has high reliability, and the technical problems of the detection device lifting and the buoy posture dynamic adjustment in a small space are solved.

The invention discloses a dustproof and moistureproof flexible driving heat dissipation device which comprises a mounting base, a heat dissipation cover plate, a driving arm and a driving connecting rod, heat dissipation holes are formed in the mounting base, the heat dissipation cover plate is used for covering or opening the heat dissipation holes, and the mounting base is rotationally connected with the heat dissipation cover plate through at least two rotary connecting structures to form a parallelogram structure. The mounting base is in transmission connection with the heat dissipation cover plate through a U-shaped driving arm, one end of the driving arm is fixedly connected with the mounting base, and the other end of the driving arm is fixedly connected with a driving connecting rod. According to the invention, illumination and heat can drive the CNT-Nafion / PE double-layer driver to deform and enable the heat dissipation holes to be opened or closed, and the projection of the heat dissipation cover plate on the mounting base when the heat dissipation cover plate is opened and the projection of the heat dissipation cover plate on the mounting base when the heat dissipation cover plate is closed can completely cover the heat dissipation holes. A macroscopic large-amplitude bending stroke can be generated by using extremely small temperature change, and the opening degree requirement of opening of a heat dissipation channel is met.

The utility model relates to expansion joint glue injection device technical field, concretely is a kind of high-pressure glue injection device for elastomer expansion joint material.The device includes base, high-pressure injection cylinder being set on base, filling mechanism for conveying glue to high-pressure injection cylinder, piston is slidably arranged on the inner side wall of high-pressure injection cylinder, driving mechanism for driving the linear sliding of high-pressure injection cylinder is set on the base;High-pressure injection cylinder is connected with the tail end of conveying long tube, and the first valve is set in the head end of conveying long tube.The characteristics of the device are that by pushing piston, great pressure is applied to the glue in high-pressure injection cylinder, so that the glue overcomes its own gravity and viscosity, and is injected into the use position after climbing a large difference.The device has simple structure, can quickly realize the purpose of pouring elastomer material directly from under bridge to bridge joint, and meets construction demand.

The present application relates to a multiphase water self-sealing multi-pivot joint anti-explosion device, belonging to the technical field of anti-explosion devices, and is used to solve the technical problems of poor anti-explosion effect and low safety of anti-explosion devices. The anti-explosion device includes: an explosion-proof housing, a connecting pipeline, a first gravity airtight valve, and a first airtight valve gravity hammer. The explosion-proof housing is of a cylindrical structure, and the explosion-proof housing is suitable for containing water; the connecting pipeline includes: an air flow channel, a first opening and a second opening communicated with the air flow channel. The first opening is suitable for communicating with an explosive fluid, the second opening is communicated with the explosion-proof housing, and the second opening is located below the water level; the first gravity airtight valve has a first state and a second state. In the first state, the first gravity airtight valve can be closed under the gravity of the first airtight valve gravity hammer to disconnect the first opening from the second opening. In the second state, the first gravity airtight valve can be opened under the action of the air explosion airflow to connect the first opening with the second opening.

This application belongs to the technical field of electricity meter manufacturing equipment, and discloses a main control board programmer for smart meters, comprising: a base on which a vertical frame is mounted, with multiple programming positions distributed horizontally on the base, the programming positions being used to limit the main control board to be programmed; a programmer frame rotatably mounted on the vertical frame, with multiple programmers mounted on the programmer frame, the programming connectors of the multiple programmers being mounted on the base and corresponding to the programming positions; a pressing mechanism movably mounted on the vertical frame, the main control board to be programmed being electrically connected to the programming connectors through the pressing of the pressing mechanism; the programmer frame has an unfolded state and a folded state by flipping; in the unfolded state, the left and right ends of the programmer frame protrude from the left and right sides of the base respectively; in the folded state, the left and right ends of the programmer frame are close to the left and right center lines. This solves the problem of large overall width and large space occupation when storing existing technologies with multiple programmers arranged linearly.

This utility model discloses a torsion-resistant robotic arm for assembling automotive seat slide rails, comprising a fixedly installed crossbeam assembly, a crossbar assembly that slides axially along the crossbeam assembly, a mounting plate that slides axially along the crossbar assembly, a suspension assembly fixedly installed below the mounting plate, and a tool connected below the suspension assembly. This utility model enables tool suspension, allowing workers to control the tool in multiple directions and positions, improving the efficiency of screw installation during automotive seat slide rail assembly. The suspension assembly is telescopic, allowing control of the tool's height, and its active telescopic movement can overcome the tool's weight, reducing the worker's workload.

This utility model relates to the field of injection molding machines and discloses a high-precision guide post sliding structure, including an injection molding machine stage, a linear guide rail, a pull rod, and a sliding component. The injection molding machine stage is connected to the sliding component, and the sliding component has a through hole. The pull rod passes through the through hole and slides with it. The linear guide rail is located below the injection molding machine stage, and a slider is slidably connected to the linear guide rail. The injection molding machine stage is connected to the slider. The linear guide rail serves both as a guide and to overcome the gravity of the moving parts, reducing friction and improving the movement accuracy of the stage.

The application discloses a handle structure with a spiral curved surface lock, which is used for locking a plug and a socket of a fluid connector, a handle accessory of the handle structure is connected to the plug through a shaft pin, the handle accessory comprises a locking part, a spiral curved surface for guiding a locking column on the socket is arranged on the locking part, and a locking groove for fixing the locking column is arranged on the locking part, the locking groove is connected with the spiral curved surface, a convex part is arranged at a position where the spiral curved surface transitions to the locking groove, and the locking column is connected to the locking part from the bottom to the top of the handle structure; the force applying mode from the bottom to the top of the application overcomes the self-locking in the connecting process of the existing structure, thereby overcoming the defect that the connection is stuck; the structure that the inflection point is added in the locking groove ensures the locking, prevents the self-unlocking phenomenon from occurring in the use process, and overcomes the defect that the locking shakes through the limiting structure.

The utility model discloses a kind of biomass gasification combustion boiler, including boiler shell, further include: pneumatic feeding mechanism, the pneumatic feeding mechanism is arranged in the top position of boiler shell, the pneumatic feeding mechanism includes a transverse distribution's conveying main pipeline, the top end of the spiral feeder is connected with discharge pipe, the discharge pipe is through the top center of boiler shell, the conveying main pipeline is installed with the spiral feeder for conveying material in the end away from discharge pipe, and in the top of the conveying main pipeline and the end close to spiral feeder is connected with feed hopper, the top of the discharge pipe is provided with top air inlet, the middle part of the discharge pipe is funnel-shaped.The utility model is filled into gas by top air inlet top, and the suction force generated when gas passes through throat portion further absorbs gas source, airflow forms turbulent flow in pipeline, fully disperses the small agglomerate of rice hull powder, and lay foundation for subsequent dispersion.

The application relates to a channel cleaning device, which comprises a support frame, a cleaning mechanism connected to the support frame, the cleaning mechanism being in contact with the inner wall of the channel, the cleaning mechanism rotating relative to the inner wall of the channel to clean the inner wall of the channel, a driving wheel connected to the support frame, the support frame applying pressure to the driving wheel to make the driving wheel abut against the inner wall of the channel, the driving wheel rotating to drive the support frame and the cleaning mechanism to move along the extension direction of the channel, so that the fouling of the inner wall of the channel is cleaned, and the channel cleaning efficiency is improved.

The utility model discloses a high strength cable iron wood disc, including seamless steel pipe and carousel, the outer arc surface both sides of it are equipped with the installation groove, and the even distribution wood board is equipped between two installation grooves, the both ends of seamless steel pipe are all flared mouth shape, carousel: its fixed connection in the front and back side of seamless steel pipe respectively, and the even distribution support rod is equipped between two carousels, wherein: the thickness of wood board front and back two end plate body all are greater than the thickness of own middle part plate body, still include support axle, support axle fixed connection in the middle part between two carousels, this high strength cable iron wood disc, through steel wood composite structure, seamless steel pipe as core bearing component, both ends flared mouth shape design can disperse radial pressure, and wood board both ends thickening can avoid edge stress cracking, rigid and soft combination promote overall bearing capacity and anti -cracking ability, and the rolling stability is improved to resist cable gravity and impact expansion force.

The invention discloses a powder supply device and method for a powder ramjet engine, the powder supply device for the powder ramjet engine comprises a cylinder body, a piston and a fluidization cavity sealing plate, the piston is in sliding connection with the inner side wall of the cylinder body, the fluidization cavity sealing plate is arranged at one end of the cylinder body, and a fluidization cavity is defined by the fluidization cavity sealing plate, the piston and the inner side wall of the cylinder body; the fluidization cavity is filled with powder fuel, when the piston moves towards the fluidization cavity sealing plate, the powder fuel can be pushed towards the fluidization cavity sealing plate, a first fuel outlet hole and a plurality of fluidization gas inlet holes are formed in the fluidization cavity sealing plate in a penetrating mode, the first fuel outlet hole is used for being communicated with an engine combustion chamber, and all the fluidization gas inlet holes can receive fluidization gas. By changing the diameter and the distribution density of each fluidizing gas inlet hole which can receive fluidizing gas and is communicated with the fluidizing cavity, the flow field of the fluidizing gas entering the fluidizing cavity through the fluidizing gas inlet holes is changed, and the requirements of different powder fuel particle sizes, particle size distribution and working conditions are met.

This invention relates to a multi-segment variable stiffness magnetically driven continuum conduit robot and its control method. The multi-segment variable stiffness magnetically driven continuum conduit robot includes a conduit body with at least one axially extending working channel inside; a multi-joint magnetic drive unit includes multiple magnetic units spaced apart along the axial direction of the conduit body; a reversible variable stiffness module is disposed within at least one functional segment of the conduit body; the reversible variable stiffness module includes a phase change material encapsulated within a flexible covering structure and a heating component for heating the phase change material; a stiffness control system controls the phase state of the phase change material in each reversible variable stiffness module. This invention, by combining a multi-joint magnetic drive structure with segmented integrated reversible variable stiffness modules, achieves precise controllability of the deformable segments of the continuum robot, on-demand provision of local stiffness, and flexible switching between multiple working modes, thereby improving its operational accuracy, stability, and adaptability in complex cavity environments.

This application discloses a target shooting device, belonging to the field of shooting training equipment. The target shooting device includes a frame with a mounting groove at the rear. Two arc-shaped plates are symmetrically arranged inside the mounting groove, enclosing the opening of the frame to form a target shooting port for bullet firing. Multiple crossbars are rotatably arranged in the mounting groove corresponding to the target shooting port, and the crossbars are evenly spaced along the vertical direction of the mounting groove. An elastic target plate is arranged between two adjacent crossbars, and a sleeve is fixedly connected to the top of the target plate. The sleeve is rotatably fitted onto the crossbar. When a bullet is fired onto the target plate, the target plate rotates counterclockwise around the crossbar through the sleeve to form a certain angle. The friction between the sleeve and the crossbar keeps this angle constant, thereby displaying the bullet impact point. This structural design can accurately display the bullet impact point, making it easier for trainees to accurately read the shooting direction and improve the accuracy of hit rate statistics.

This invention discloses a low-concentration dust generating device, including a mounting base. A dust-generating conical chamber, wider at the bottom and narrower at the top, is fixed on the mounting base. The upper end of the conical chamber is a dust outlet connected to a dust outlet pipe, which has several dust outlet nozzles. A dust-driving port connected to a compressed air source is located at the bottom of the conical chamber. An infusion tube is fixed to the bottom of the conical chamber, and its lower part is connected to the outlet of a syringe needle of an injection pump. The syringe needle contains a solution containing dust particles. The upper end of the infusion tube is an outlet extending vertically into the conical chamber. An ultrasonic atomizer is installed inside the conical chamber, with its atomizing head facing upwards and connected to the outlet of the infusion tube. This dust generating device can emit a lower concentration of dust airflow, making it suitable for simulating lower concentration dust environments.

This application relates to a large-diameter hydraulic pipe wringing machine with anti-detachment feature, belonging to the field of pipe wringing machines. It includes a machine body, a pipe seat fixed to the machine body, a rotating disc rotatably sleeved on the outside of the pipe seat, an upper fastener, a lower fastener, a power drive device fixed to the machine body for driving the rotating disc, and an anti-detachment structure. Both the upper and lower fasteners have slots. The upper fastener includes a fastener body and a lever. A lever is fixed to the rotating disc. When the rotating disc rotates, the lever on the rotating disc pushes the upper fastener to unscrew the drill rod or casing. The anti-detachment structure includes a clamping body that can rotate circumferentially along the pipe seat, and the clamping body can also be vertically raised and lowered. A clamping groove is opened on one side of the clamping body in the horizontal direction, and the lever of the upper fastener can be engaged into the clamping groove. This application improves the anti-detachment stability of the upper fastener during the use of the pipe wringing machine, making the operation of the pipe wringing machine safer and more reliable.

The utility model provides a kind of solar-powered aeration device, it is related to solar aeration technical field, including floating seat, the floating seat side four corners are all embedded with electric reel, the free end of the wire wound on any electric reel is fixedly installed with the fixed column for inserting around the shore of water body, the fixed frame is fixedly installed on the floating seat upper surface, by setting fixed column and electric reel, fixed column is inserted in the shore around the water body, the length of the wire connected with fixed column released around is adjusted by the electric energy generated by light to drive electric reel rotation, i.