42results about How to "Defy gravity" patented technology

The invention discloses a traveling wave electric curtain lunar dust conveying device based on three-dimensional electrodes, and relates to the field of lunar dust conveying. In order to solve the problems of low utilization rate of an electric field, easy abrasion of equipment and high energy consumption in the existing lunar dust transportation work in the prior art, the technical scheme provided by the invention is as follows: the traveling wave electric curtain lunar dust transportation device based on the three-dimensional electrode comprises a substrate; the wedge-shaped microstructure is arranged on the upper surface of the substrate, and the wedge-shaped microstructure is in a triangular prism shape; and the electrodes are arranged on the side walls of the wedge-shaped microstructures and used for generating electrodes and transporting lunar dust particles. The invention also provides a traveling wave electric curtain lunar dust transportation method based on the three-dimensional electrode, the method is realized based on the device, and the method comprises the following steps: collecting the motion state of lunar dust particles; a step of adjusting a driving voltage according to the motion state; and driving the electrode according to the adjusted driving voltage. The lunar dust conveying device is suitable for lunar dust conveying work.

The invention discloses a switch cabinet and a pressure relief device and method thereof, the pressure relief device comprises a pressure relief channel, a cover plate, a gauze element, an elastic connecting piece and an arc blocking assembly, the cover plate is arranged on the pressure relief channel, the first side of the cover plate is hinged to a side plate of the pressure relief channel, and the gauze element is fixed on the cover plate; one end of each elastic connecting piece is fixed on the cover plate, and the other end of each elastic connecting piece is connected with a side plate of the pressure relief channel through a fixing block; each arc blocking assembly is located in the corresponding pressure relief channel and comprises an arc blocking plate, an elastic piece and a supporting frame. At least one end of the supporting frame is fixed to a side plate of the pressure relief channel, the arc blocking plate is movably installed below the supporting frame through the guide column, and the elastic piece is arranged on the guide column in a sleeving mode and located between the supporting frame and the arc blocking plate. And a plurality of through holes are formed in the arc baffle. Pressure accumulation in the cabinet body is avoided, and damage of impact energy sprayed out of the cabinet body to the environment outside the cabinet body is reduced.

An operation platform is arranged on the periphery of the reaction kettle, a metering device is fixedly arranged at the position, close to a feeding port of the reaction kettle, of the operation platform, a vertical frame is fixedly arranged at the position, between the feeding port of the reaction kettle and the metering device, of the operation platform, and a turnover mechanism is installed on the vertical frame. The rear part of the turnover mechanism is connected with the front part of the turnover plate, the rear part of the turnover plate is in sliding connection with the front part of the rotating frame, the charging barrel is placed in the rotating frame, and the charging barrel and the rotating frame are placed on the metering device together; the auxiliary material metering and feeding device is simple in structure and easy and convenient to operate, in the process of overturning the charging barrel, the gravity of the charging barrel is overcome through the connecting rod overturning mechanism, a rotating fulcrum is moved downwards, the stress condition of the connecting rod overturning mechanism is good, the use safety performance of all stress parts is improved, manpower is saved, and the arranged overturning plate and the metering device are convenient to use. And the auxiliary material feeding metering error is reduced, and the auxiliary material feeding amount precision and the production efficiency are improved.

The invention discloses a moxibustion physical therapy smoke delivery main machine which comprises a main machine box. The air inlet assembly is mounted at the upper part of one side of the main case; the moxa cone combustion bin is arranged in the main machine box from one side part of the main machine box; the upper smoke outlet assembly is installed at the top in the mainframe box, the bottom of the upper smoke outlet assembly and the top of the moxa cone combustion bin are installed in a sealed mode, and the upper smoke outlet assembly is used for being connected with a pipeline to send smoke to a terminal physiotherapy structure; the lower air supply assembly is installed on the lower portion in the main machine box, the top of the lower air supply assembly and the bottom of the moxa cone combustion bin are installed in a sealed mode, and the lower air supply assembly is used for supplying air and oxygen into the moxa cone combustion bin. The mode of bottom air supply, top smoke outlet and middle combustion is adopted, an independent combustion structure is adopted for middle combustion, the interior of the main machine box is prevented from being polluted, a filtering structure is arranged in a combustion bin to prevent moxa ash from entering a pipeline, a temperature sensor is arranged on a smoke outlet pipe, and therefore the smoke outlet temperature can be accurately controlled.

The utility model discloses a power machinery working system and a flywheel thereof, the flywheel comprises an inner ring body, an outer ring body and a connecting bridge dam, the inner ring body is a ring with a central hole, and the central hole is located at the center of the inner ring body. The outer ring body is in a ring shape concentric with the inner ring body and is arranged on the radial outer side of the inner ring body in a sleeving mode, and the outer ring body and the inner ring body are arranged in a spaced mode in the radial direction. The connecting bridge dam is located between the inner ring body and the outer ring body and extends in the first direction, one end of the connecting bridge dam is connected with the outer ring body, and the other end of the connecting bridge dam is connected with the inner ring body. The first direction is perpendicular to the axis direction of the flywheel.

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 electronic parking caliper which comprises a brake caliper body, a movable cavity, a plunger, a motor and a screw and further comprises a protective sleeve arranged on the peripheral wall of the plunger in a sleeving mode. The lubricating unit is used for lubricating the outer wall of the protective sleeve and the inner wall of the movable cavity; the mounting ring groove is formed in the outer peripheral side of the inner end face of the plunger; the convex ring is fixedly connected to the inner end of the inner cavity of the protective sleeve and detachably connected with the mounting ring groove through a screw, in daily use, by the adoption of the technical scheme, the protective sleeve is used for protecting the plunger, the plunger and the movable cavity do not rub with each other, meanwhile, the lubricating unit is arranged to lubricate the outer surface of the protective sleeve, the service life of the protective sleeve is prolonged, and the service life of the plunger is prolonged. And the service time of the protective sleeve is prolonged.

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 present invention relates to the technical field of musical instruments, and discloses a new musical instrument stand and a method for using the same, comprising a left frame and a right frame, wherein the interior of the left frame and the interior of the right frame are rotatably connected with a left support plate and a right support plate, respectively, the front of the left support plate is fixedly connected to the front of the right support plate via a hinge, the interior of the right support plate is provided with a seat mechanism, the upper surface of the left stand is provided with a telescopic mechanism, the interiors of the left frame and the right frame are both provided with automatic mechanisms, and the bottom of the left frame is provided with a moving mechanism. The new musical instrument stand and the method for using the same, through the design of a hook, when the hook is unhooked, the entire stand can be automatically opened by the action of a spring, and the unfolded distance of the two support plates is fixed, and there is no need to manually adjust the distance, making installation more convenient, and the folding effect of the entire stand device makes it more convenient to carry the stand.

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 utility model discloses a semi-coke waste heat and semi-coke gas boiler comprehensive energy utilization system, which relates to the technical field of semi-coke waste heat and semi-coke gas boiler comprehensive energy utilization, and comprises a boiler body, the outer surface of the boiler body is provided with a connecting shell, the inside of the connecting shell is communicated with a smoke outlet pipe, and the smoke outlet pipe is communicated with a smoke outlet pipe. A connecting pipe is slidably connected to the interior of the smoke outlet pipe, a push plate is fixedly connected to the outer surface of the connecting pipe, a first air cylinder is installed on the outer surface of the smoke outlet pipe, a filter pipe is slidably connected to the interior of the connecting pipe, a filter plate is slidably connected to the interior of the filter pipe, and a conveying pipe is slidably connected to the outer surface of the filter pipe; a power mechanism is arranged above the boiler body, particles in smoke can be cleaned by the filter pipe through cooperation of the connecting pipe, the filter pipe and other components, and limitation on the filter pipe is controlled through movement of the connecting pipe, so that the time needed for cleaning the filter pipe is shortened, and the problem that a pipeline is too long and difficult to clean is solved.

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 invention relates to the technical field of cable processing, in particular to power cable manufacturing wire twisting equipment, which comprises a first rotating disc, a second rotating disc and a wire twisting mold, and further comprises an active pay-off assembly used for paying off a plurality of single wires, the multiple guide grooves are formed in the second rotating disc in a penetrating mode and correspond to the multiple single lines in a one-to-one mode, and first guide wheels are fixedly installed in the multiple guide grooves; according to the invention, when line breakage is detected, the controller judges single line breakage and an approximate area of the breakage according to received pressure information fed back by the overpressure sensor, requests to control and stop wire twisting, and feeds back a breakage interval, so that wire twisting equipment can conveniently and actively detect and identify single line breakage, and the wire twisting equipment can conveniently and actively discover wire breakage information; and wire twisting is stopped, so that the invalid processing time can be shortened.

The utility model discloses a sample introduction structure for measuring carbon and sulfur, relates to the field of detection devices, and particularly discloses that a first protection part comprises a cambered first clamping part and a first extension part vertically connected to one end of the first clamping part, and one end, close to the first extension part, of the first clamping part is inclined outwards; the second protection part comprises a cambered second clamping part and a second extension part vertically connected to one end of the cambered second clamping part, the end, close to the second extension part, of the second clamping part inclines outwards, the cambered opening sides of the first clamping part and the second clamping part are oppositely arranged, and the first extension part and the second extension part are oppositely arranged; the elastic piece in the stretching state is fixedly connected between the first clamp body and the second clamp body, the first clamping part and the second clamping part can be always kept in the closed state, in addition, the first clamping part and the second clamping part are cambered surfaces, so that containers such as a crucible and the like can be clamped more firmly, and the service life of the crucible is prolonged. And the crucible cover can be limited by the first extension part and the second extension part, so that the crucible cover is prevented from sliding and falling off.

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 cylindrical lens upper disc loading and adjusting device and a use method thereof, and belongs to the technical field of cylindrical lens production. The device comprises a rack, a placing disc, a moving and loading assembly and a position adjusting assembly. A table plate is arranged on the rack, a feeding platform is arranged on the table plate, the placing disc is installed on the table plate, a plurality of placing grooves for placing cylindrical lenses are arranged on the placing disc, the moving and loading assembly is used for moving the cylindrical lenses on the feeding platform into the placing grooves, and the position adjusting assembly is used for adjusting the positions of the cylindrical lenses in the placing grooves. The application has the effect of improving the upper disc polishing quality of the cylindrical lenses.

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.

The utility model relates to a grafting device for macadamia nut planting, which belongs to the technical field of nut planting and comprises a mounting ring, a positioning plate is arranged on the inner side of the mounting ring, a connecting plate is fixedly connected to the bottom of the mounting ring, and a supporting component is arranged at the bottom of the connecting plate. The supporting assembly comprises a mounting plate, the mounting plate is detachably connected to the lower side of the connecting plate, a mounting cylinder is fixedly connected to the lower side of the mounting plate, a vertical rod is inserted into the lower side of the mounting cylinder, and a supporting piece is fixedly connected to the bottom of the vertical rod. According to the grafting device for macadamia nut planting, a mounting ring is supported through a mounting cylinder, a vertical rod, a supporting piece and an inserting rod below a mounting plate, the mounting ring is prevented from applying too large gravity to a fruit tree, smooth growth of the fruit tree is guaranteed, meanwhile, the height of a supporting assembly can be adjusted through an arranged adjusting assembly, and the height of the supporting assembly is adjusted; therefore, the device can adapt to fruit trees with different grafting heights, and the practicability of the device is improved.

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.

The invention relates to the technical field of water conservancy, municipal administration and traffic, and discloses an energy-saving straight pipe type water outlet runner device which is applied to a pump station, especially in small and medium-sized pump station engineering, and comprises a runner, a water pump gate valve and a flap valve structure, the flap valve structure is arranged at the water outlet end of the runner, the water pump gate valve is connected to a water pump water outlet pipe, and the water pump gate valve is connected to the water pump water outlet pipe. The water pump water outlet pipe is connected with the flow channel through a rotating mechanism, and the rotating mechanism drives the flow channel and drives a flap valve structure arranged on the flow channel to rotate. Compared with the prior art, the rotating mechanism is designed to control the runner to rotate, the flap valve structure with stable water outlet is inverted, the pump station can eliminate additional loss increased by a traditional flap valve structure, the efficiency of the pump station is improved, the operation cost of the pump station is reduced, and energy conservation and emission reduction are remarkable.

A fluid sampler relates to the technical field of sampling devices, and comprises a main shaft and a sampling barrel, and the sampling barrel is detachably fixed on the main shaft; an upper connecting rod and a lower connecting rod are arranged in a pipe cavity of the main shaft; the main shaft is a hollow pipe fitting, the upper end of the main shaft is provided with a main shaft handle, the upper part of the main shaft is provided with a first upper connecting rod connecting port and a second upper connecting rod connecting port, and the lower part of the main shaft is provided with a first lower connecting rod connecting port and a second lower connecting rod connecting port; a water leakage hole is formed in the cylinder bottom of the lower end of the sampling cylinder, and a sampling cylinder connector is formed in the side wall of the sampling cylinder; an upper cover handle is arranged at the upper end of the upper connecting rod, and the lower end of the upper connecting rod is fixedly connected with the upper cover in a detachable mode. A lower cover handle is fixed to the upper end of the lower connecting rod, a protruding rod is fixed to the lower end of the lower connecting rod, and a lower cover used for blocking the water leakage hole is arranged on the protruding rod. The fluid sampler provided by the utility model can be used for quantitatively extracting a fluid sample in a labor-saving manner.