109results about How to "Guaranteed to pass through" patented technology

A system includes radiation source, scanning vehicle, control vehicle and remote control device for two vehicles. The rotary platform which can carry on relative motion is equipped on the scanning vehicle as parallelogram support built by fourlink mechanism of pin joint and level as well as vertical cantilevers connected with the support with detector are equipped on the rotary platform. The generator, work-chamber and rotary platform with the radiation source under its tail part are disposed at front and back parts of vehicle universal chassis separately. The sector formed by X ray from the radiation source is passed through low level position of container to be checked at back of tail part of the universal chassis.

The invention relates to an optical film, in particular to a quantum dot film with a blue light preventing effect. In order to solve the problem that an existing quantum dot film is poor in blue lightpreventing stability in the using process, the invention provides the quantum dot film with the blue light preventing effect. The quantum dot film comprises a quantum dot layer; the upper surface ofthe quantum dot layer is provided with an upper blocking layer; the lower surface of the quantum dot layer is provided with a lower blocking layer; the quantum dot layer comprises quantum dots and anadhesive agent; the upper blocking layer comprises a blue light preventing material which is selected from one or more of a blue light preventing auxiliaries or blue light preventing particles. The quantum dot film has good blue light preventing stability, and solves the problem that because quantum dots in the quantum dot film lose efficacy, blue light is too much.

The invention discloses a skin-core structured polyurethane elastic fiber preparation method. By adjustment of types and contents of skin and core layer spinning solution auxiliary agents, the auxiliary agents are enriched on a skin layer, and improvement of fiber environmental tolerance, changing of fiber surface properties and reduction of auxiliary agent utilization cost are realized. Skin-corestructured polyurethane elastic fiber preparation is characterized by including steps: 1) preparing N,N-dimethylacetamide solution of polyurethane-polyurea, aging to obtain core layer spinning solution, adopting a spinneret plate for spin stretching, and performing high-temperature drying through a first passage to obtain core layer polyurethane elastic fibers; 2) taking part of polyurethane-polyurea solution, and adding auxiliary agents for improvement of fiber environmental tolerance or changing of fiber surface properties to obtain skin layer spinning solution, coating the core layer fibersurface with the skin layer spinning solution through a special-structure coating device, performing high-temperature drying through a second passage, and carrying out oiling and winding forming to obtain skin-core structured polyurethane elastic fibers.

The invention relates to the technical field of aircrafts, in particular to a composite wing unmanned aerial vehicle. The composite wing unmanned aerial vehicle comprises a wing and body combination body, a fixed wing part, a multi-rotor part, an undercarriage, a propeller and a power mechanism. The fixed wing part comprises two fixed wings arranged on the two sides of the wing and body combination body. The multi-rotor part comprises multiple rotor mechanisms symmetrically arranged on the two sides of the wing and body combination body, each rotor mechanism comprises a connecting rod and a rotor, each connecting rod is connected with the corresponding fixed wing, each rotor is horizontally arranged on the corresponding connecting rod, each connecting rod is provided with an installation shaft arranged perpendicular to the axial direction of the connecting rod, and the end portion of each installation shaft is provided with a first slope; and each fixed wing is provided with a connecting hole matched with the corresponding installation shaft, clamping grooves are formed in the hole wall of each connecting hole, telescopic buckles are arranged in the clamping grooves, and each installation shaft is provided with grooves matched with the telescopic buckles. By the adoption of the composite wing unmanned aerial vehicle, the fixed wing part and the multi-rotor part of the unmanned aerial vehicle can be quickly installed and detached without a tool.

The invention discloses an online monitoring system for the current distribution of an aluminum electrolytic tank, belonging to the technical field of aluminum electrolysis. The online monitoring system for the current distribution of the aluminum electrolytic tank comprises at least one measuring device comprising an isometric pressure drop measurement fork or a magnetic field detection sensor, the isometric pressure drop measurement fork is used for measuring the isometric pressure drop value of an anode guide rod or a cathode steel bar of the aluminum electrolytic tank to be tested, the magnetic field detection sensor converts the magnetic induction intensity around the anode guide rod or the cathode steel bar into a proportional voltage value according to a Hall principle, and the measuring device is sequentially connected with a data processing device, a wireless network and an upper computer. The invention satisfies the measurement requirements under high-temperature high-dust environment with high magnetic field intensity, has high system flexibility, is favorable to far-distance signal transmission and can simultaneously monitor a plurality of aluminum electrolytic tanks.

The invention provides a puncture cable clamp which comprises a puncture cable clamp which comprises a fixed bracket component and an insulation puncture power taking component arranged on the fixed bracket component. The fixed bracket component comprises a fixed bracket, at least two sliding blocks, and elastic pieces with the same number of the sliding blocks. The fixed bracket is provided with sliding grooves which are matched with the sliding blocks. The sliding grooves are arranged along the radial direction of the fixed bracket. The elastic pieces are arranged in the sliding grooves and are used for allowing the sliding blocks to generate outward expansion trend. The invention provides the puncture cable clamp and aims to combining the puncture cable clamp and a Rogowski coil into a whole body through a locking mechanism formed by the sliding blocks and the elastic pieces, cable with different diameters can go through the center of the coil, the sampling precision is improved, the cost of individually assembling puncture cable clamp is saved, in the condition of no power cut, an operator can carry out power taking in completely safe isolation.

The invention relates to the field of gear machining and particularly discloses a gear extrusion forming device. The gear extrusion forming device comprises a rack, an upper mould mechanism and a lower mould mechanism; the upper mould mechanism comprises a lower sliding hydraulic cylinder, an upper mould base, a squeezing hydraulic cylinder, inflation air cylinders and limiting rings; a punch is fixed to a pushing rod of the squeezing hydraulic cylinder; the limiting rings and the punch are coaxial; the limiting rings can push pistons of the inflation air cylinders to slide; the lower mould mechanism comprises a lower mould, fixing air cylinders and tooth moulds; the lower mould comprises a plurality of arc-shaped blocks; the fixing air cylinders communicate with the inflation air cylinders; piston rods of the fixing air cylinders are fixed to the arc-shaped blocks; tooth mould grooves are formed in one sides, far away from the fixing air cylinders, of the arc-shaped blocks; the toothmoulds are detachably connected with the tooth mould grooves; and through grooves allowing the piston rods of the fixing air cylinders to pass through are formed in the limiting rings. The damage of agear can be reduced.

The invention discloses a cable embedded pipe expanding robot, which comprises a cable embedded pipe traveling device, a pan-tilt, an expansion mechanism and a central processing unit. The embedded pipe traveling device comprises a traveling drive motor and a plurality of traveling wheel components peripherally and uniformly distributed along a spindle. Each traveling wheel component comprises a wheel leg and supporting arms, wherein two ends of each supporting arm are hinged to the wheel leg and the spindle respectively. The drive motor drives the wheel legs. A diameter-variable mechanism comprises a diameter-variable drive motor, diameter-variable connecting rods and a lead screw transmission mechanism. Two ends of the each diameter-variable connecting rod are hinged to a slider and thecorresponding supporting arm respectively. The diameter-variable drive motor changes the expansion mechanism comprising expansion push rods and an expansion drive motor through inclination of the supporting arms pushed by the diameter-variable connecting rods and the lead screw transmission mechanism. The central processing unit controls the traveling drive motor, the diameter-variable drive motorand the expansion drive motor to enable the robot to travel to a pipe recess, and the expansion push rods push the recess outwards to repair a recessed pipe.

The invention discloses a knife flywheel-typed crusher which is provided with a frame on which a knife flywheel roller assembly is installed and the knife flywheel roller assembly can be driven by a transmission device. The upper part of the frame is connected with a bed knife engine block while a feeding hopper is installed at the lower part of the frame. The knife flywheel-typed crusher of the invention can cut materials while baling off straw materials and can particularly decompose and crush miscellaneous tree materials with good results of application and stable performance. In addition, the crusher of the invention also has the advantages of simple structure, firmness, durability, long service life, high automation and work efficiency, and the like, and is especially applicable to the pretreatment to fiber combustible materials of the enterprises for power generation.

The invention relates to the technical field of transmission networks, and provides a method and a device for realizing a FlexE bearing small-particle service. The method comprises the following steps: mapping a service needing to be borne into a time slot of a divided FlexE sub-instance; after coding and rate adaptation are carried out on the FlexE sub-instance bearing the service needing to be borne, mapping the FlexE client serving as a specified rate to an existing FlexE network for transmission. According to the invention, the single time slot bandwidth of the FlexE sub-instance is set according to the minimum granular service, and subsequent cell coding packaging and rate adaptation are carried out on the basis of the time slot length setting, so the problem that the small granular service cannot be ensured to pass through the existing SPN network in the prior art can be overcome.

The invention discloses a flat knitting machine steel wire conveying device which comprises a wire feeding motor and a gear box, wherein at least one set of wire feeding wheel and wire pressing wheelmatched with each other is arranged in the gear box, and the wire feeding wheel is driven by the wire feeding motor; a counting induction disc is fixed to a shaft of one wire feeding wheel, multiple pieces of first magnetic steel are uniformly arranged on the counting induction disc, and a third inductor matched with the first magnetic steel is arranged in the gear box; rotating shafts are arranged on the two sides of the gear box, sleeves through which a steel wire passes are arranged in the rotating shafts, a detouring gear is fixed to the rotating shaft on one side and meshed with a drivinggear on a bottom lifting motor, and the bottom lifting motor drives the gear box to turn over around the rotating shafts. The device works in cooperation with the bottom lifting needles on a bottom lifting plate; the length of the steel wire pushed forwards by the wire feeding wheel is calculated through the counting induction disc, and the condition that the steel wire penetrates through all thebottom lifting needles and cannot be disengaged from the wire feeding wheel.

The invention discloses a coiled tubing traction robot, comprising a first segment, a second segment, a third segment, a fourth segment and a fifth segment arranged sequentially from right to left; both the front segment and the rear segment sleeve a front center shaft, both the fourth segment and the fifth segment sleeve a rear center shaft, and the left and right ends of the third segment sleeve the ends of the rear and front center shafts respectively. The coiled tubing traction robot has the advantages of high integrity level, high safety, high tractive capacity, and high success rate.

The invention discloses a slicing and drying combination device for medicinal materials. The slicing and drying combination device comprises a combination rack, a control box, a medicinal material slicing mechanism, a sliced medicinal material drying mechanism and a sliced medicinal material transmission mechanism. The slicing and drying combination device integrates slicing and drying after improvement. Firstly, the problems of incoherence and poor linkage of treatment due to the fact that slicing and drying of the medicinal materials belong to separate operations in the existing methods canbe solved; secondly, a slicing device is redesigned, and the medicinal material slicing device is simple in structure and facilitates slicing; in the whole operation process, human bodies are avoidedfrom being making more contact with the medicinal materials in the operation process, the problems of allergies or tool scratches are solved, and potential safety hazards are avoided; and the slicingand drying combination device promotes continuity and linkage and has high efficiency and low labor intensity.

The invention discloses a solid fuel combustion device with a fire grate obliquely arranged. The solid fuel combustion device comprises a furnace body, wherein an upper air inlet is formed in the upper portion or the top of the furnace body, a lower air inlet is formed in the lower portion of the furnace body, and a furnace chamber is formed in the furnace body; a fire outlet is formed in the side of the furnace body, the fire gate is obliquely arranged in the furnace chamber, the upper air inlet and the fire outlet are located in one side of the fire gate, and correspondingly the lower air inlet is located in the other side of the fire gate; the space, located on the fire gate, in the furnace chamber is a solid fuel containing cavity which is divided into a combustion preparing area and a combustion area from top to bottom, the height of the combustion preparing area is larger than 150 mm, the ratio of the largest breadth width of the fire gate to the height of the fire outlet is not larger than 1.5, and the height difference of the solid fuel containing cavity and the fire outlet is not smaller than 150 mm. The invention further discloses a solid fuel clean combustion method. Due to the device and the method, the clean combustion process of solid fuel can be achieved.

The invention provides a rotary uniparted hyperboloid coring and chambering rock-plug blasting method. The method comprises the steps that laser orientation drilling is conducted along at least one coring hyperboloid which is coaxial with a rock plug, and a levo / dextro linear generatrix of at least one chambering hyperboloid on the underwater or non-underwater rock plug, hyperbolic coring holes and chambered holes with high-precision linear generatrices are obtained, explosives are installed in the hyperbolic coring holes and the chambered holes, and blasting is conducted sequentially from inside to outside; due to the fact that the drilled holes in the waist portion of the coring hyperboloid are distributed densely and serve as a high-temperature and high-pressure center at the moment of blasting, blast crushed stones are cast towards the two ends of the hyperboloid, a bidirectional coring mechanism is achieved, through decoupling charge, over crushing is relieved advantageously, the proportion of casting work is increased, a good pinpoint blasting effect and a good outlining blasting effect are achieved for a cored body, and towering conditions are created for subsequent blasting; and hyperbolic chamber can be qualified to transitional linkage chambering blasting of an annular and tubular rock mass with a thick waist portion and two thin ends after the rock plug is cored and is through. The hyperbolic holes can also be used for rock plug pre-splitting or smooth surface forming blasting.

The invention provides a magnetic coupling transmission system, comprising a receiving coil arranged in a receiving device housing, a transmitting coil arranged in the transmitting device housing anda protective housing internally provided with a magnetic line of force aggregate, wherein the protective housing is located between the receiving device housing and the transmitting device housing; Amagnetic line of force aggregate is use to provide the path with the highest permeability between the transmit coil and the receive coil, so as to guide the magnetic lines of force generated by the transmitting coil to preferentially pass through the magnetic field line aggregate and then through the receiving coil, or to guide the magnetic lines of force generated by the transmitting coil moduleto preferentially pass through the receiving coil module and then through the magnetic field line aggregate module to return from the magnetic line of force aggregate module to the transmitting coil module. The invention can improve the density of magnetic lines of force passing through the receiving coil in the wireless charging process, so that when the distance between the receiving coil and the transmitting coil is long and the output power of the transmitting end is constant, the receiving power of the receiving end is not significantly reduced.

The invention discloses a method for accurately machining a deep hole. The method comprises the following steps of 1, drilling a metal material by taking the axis of a designed deep hole as the centerto obtain the metal material with a threading hole; 2, carrying out wire cutting treatment on the metal material with the threading hole by taking the axis of the designed deep hole as the center, and obtaining the metal material with a guide hole; and 3, carrying out deep-hole accurate machining on the metal material with the guide hole along the guide hole through a drill bit, and obtaining themetal material with the precisely machined deep hole. According to the method, the threading hole is machined in the metal, it is guaranteed that a wire electrode for electric spark wire cutting cansmoothly penetrate through the threading hole, the guide hole with the perpendicularity meeting the requirement is machined through wire cutting, the advancing path of the drill bit is kept parallel to the guide hole, the deep hole is machined by the drill bit, and deep-hole accurate machining is achieved, the method is controllable in precision and extremely high in success rate, and the roughness and the form and location tolerance of the machined deep hole completely meet the design requirements.

The invention provides a portable puncture device and a using method thereof, and belongs to the technical field of power equipment. The device is directly fixed on a to-be-detected capacitor througha fixing support, laser emitted by a laser emitter coincides with a preset target point on the to-be-detected capacitor by adjusting the position of a driving device, a hollow nail breaks through an element in the to-be-detected capacitor through the driving device, the hollow nail is provided with an axis through hole to guarantee the penetration of laser generated by the laser emitter and enablethe precision of the breakdown position of the hollow nail, the controller is arranged, and can excite an instruction for the action of the driving device according to a preset voltage value on the to-be-detected capacitor, so the precise control is achieved, the work efficiency is improved, and human errors and the number of times of false tests are greatly reduced.

The invention discloses a degradable fiber dyeing equipment. The degradable fiber dyeing equipment comprises a dyeing pool. The two ends of the bottom of the dyeing pool are rotationally connected with material distribution rollers, and extrusion rollers are arranged below the material distribution rollers. A stirring mechanism comprises a stirring shaft rotationally connected with the dyeing pool, and a plurality of stirring blades are connected to the top end of the stirring shaft. Guide mechanisms comprise guide rollers, the two ends of the guide rollers are rotationally connected with thedyeing pool, and a plurality of guide grooves are axially arrayed in the guide rollers. A drying mechanism is used for quickly drying dyed fibers. A winding mechanism comprises a liftable transfer roller and a pair of winding frames, the transfer roller is arranged between the drying mechanism and the winding frames, and a winding roller is arranged between the winding frames. According the degradable fiber dyeing equipment, bubbles in fibers are discharged during dyeing, dye infiltration is facilitated, soaking time is shortened, dyeing liquid of different depths is fully mixed in the dyeingprocess, uneven dyeing is prevented, square blocks are inserted into grooves during winding roller installation, limiting blocks are assembled in the grooves, winding frames do not need to be moved, and equipment stability is high.

The invention discloses a measuring device and system for a simulated weight loss unloading force of a spacecraft antenna, and belongs to the field of unloading force measurement. The measuring devicecomprises a pressure sensor, an elastic element, a soleplate and a pressure measuring and displaying instrument, the lower end of the pressure sensor is connected to the elastic element, and the elastic element is arranged on the soleplate; and the pressure sensor is also connected to the pressure measuring and displaying instrument. When a tested piece presses the sensor, the elastic element canbuffer a pressure on the sensor, and the extreme value of the unloading force is reduced; and deformation of the tested piece can be prevented during measurement, and the spacecraft antenna is protected.

The invention discloses a prefabricated ecological embankment plate for a drainage ditch and a manufacturing method thereof. The prefabricated ecological embankment plate comprises a RPC box, bounding ropes, vegetation bags, a water-permeable concrete layer, dirt filter bags and reverse filter bags. The RPC box is composed of thin-shell side walls and a bottom rib plate. The dirt filter bags, the water-permeable concrete layer and the vegetation bags are sequentially arranged at the bottom in the RPC box from bottom to top. The reverse filter bags are attached to the outer side of the bottom of the RPC box, and the bounding ropes penetrate fixing holes in the side walls of the RPC box to fix the vegetation bags, the water-permeable concrete layer, the dirt filter bags and the reverse filter bags inside and outside the RPC box. The prefabricated ecological embankment plate is reasonable in structure, reasonable and scientific in layer matching and good in use performance. Due to the fact that the prefabricated ecological embankment plate is a prefabricated plate, the prefabricated ecological embankment plate can be produced on a large scale in a factory. A superhigh-strength and superhigh-tenacity RPC material is adopted for preparing a body structure in a casting manner, the plate body is light and thin and has high strength, growing space is provided for planted glass to the maximum extent, and transportation and construction of the plate are facilitated.

The invention discloses a water conservancy project retaining wall. The water conservancy project retaining wall comprises a mounting seat and a retaining wall body arranged on the mounting seat, wherein a drainage channel and a water inlet which communicate are formed in the mounting seat, and the water inlet is arranged on one side, close to a foundation soil body, of the mounting seat; a plurality of rotating rollers arranged at equal intervals are mounted in the water inlet, the rotating rollers are rotatably connected with the water inlet through rotating shafts, and a gap is formed between adjacent rotating rollers, so that water can flow; and the adjacent rotating shafts are in transmission connection through a first belt pair, and a driving device for driving one rotating shaft torotate is mounted in the mounting seat. According to the water conservancy project retaining wall, by arranging the multiple rotating rollers arranged at intervals in the water inlet, intercepting ofsilt can be achieved, normal passing of the water flow can be guaranteed, the silt in the gaps can be extruded out through driving the rotating rollers when the water inlet is blocked, the dredge workof the water inlet is completed, normal operation of the drainage is guaranteed, and the problem in the prior art is solved.

The invention discloses an HJT battery based on a double-layer transparent conductive oxide film and a preparation method of the HJT battery. The preparation method comprises the step of sequentially preparing an intrinsic amorphous silicon layer, an N-type doped amorphous silicon layer, a P-type doped amorphous silicon layer, a first transparent conductive oxide layer, a second transparent conductive oxide layer and a metal gate line electrode on a light receiving surface and a backlight surface of an N-type silicon wafer respectively. According to the invention, the auxiliary anode added in the magnetron sputtering process can change the electromagnetic field of the magnetron sputtering system and improve the ionization efficiency of argon and the plasma density of the system, the transparent conductive oxide film with good conductivity is obtained, and the film can absorb stray electrons and reduce the temperature rise and sputtering damage of the substrate, so that the yield and the preparation efficiency of the battery are improved, and the HJT battery with low cost and high conversion efficiency is finally obtained. The preparation method can be completed in different cavities of the same magnetron sputtering device, and the yield and the preparation efficiency of the battery are further improved.

A VOC waste gas treatment device is disclosed. The device includes a shell. One side surface of the shell is provided with a gas inlet. An inner-side opening of the gas inlet is provided with a filterscreen. The filter screen is fixedly connected to the inner wall of the shell through fixing bolts. The other side surface of the shell is provided with a gas outlet. Upper and lower two ends in theshell are provided with supports. A central chamber is arranged among the four supports. Bottoms of activated carbon plates are additionally provided with sealing slots, inner extending rings are additionally arranged below the sealing slots, and the sealing slots are in engagement seal with raised rings on top surfaces of the inner extending rings so that the leakproofness of mounting positions of the activated carbon plates is improved, that waste gas completely passes through the activated carbon plates is ensured and waste gas purification is more thorough. Heating rods are mounted in thecentral chamber, and, after energization, can heat waste gas substances adsorbed on the activated carbon plates to decompose the waste gas substances, and then waste gas is discharged from the gas outlet, thus effectively increasing the number of times of use of the activated carbon plates and saving the cost.

The invention discloses a rope cutting machine and cutting method, and belongs to the technical field of cutting machinery. The rope cutting machine comprises a cutting device, a roller group and a guiding plate, wherein the roller group is arranged in an upper-lower opposite rolling manner between the cutting device and the guiding plate; a plurality of grooves of different groove depths and groove widths are formed in the circumferential part of the roller group; a plurality of guiding holes of different diameters are formed in the guiding plate; and the roller group is connected with a driving device, so that ropes can be straightened and conveyed. By adoption of the rope cutting machine and cutting method disclosed by the invention, the technical problems that in the prior art, the manual cutting efficiency is low and the rope consistency is poor as well as the ropes of different specifications cannot be simultaneously cut by adopting a conventional cutting machine can be solved.

The invention provides a fuel gas vortex combustion device with oxygen supplied for the front end. The fuel gas vortex combustion device comprises a pot rack which is arranged on the top of an oven outer shell, and a refractory layer is arranged in the oven outer shell. A gas mixing cavity is arranged at the bottom of the oven outer shell, the side wall of the gas mixing cavity is connected with one end of a mixed gas pipe, and the other end of the mixed gas pipe is connected with an air inlet pipe and a gas pipe. One end of the air inlet pipe is communicated with the gas mixing cavity, and the other end of the air inlet pipe penetrates through the refractory layer to be communicated with an oven inner cavity. A banking fire plate is arranged in the middle of the oven inner cavity and located at the center of the bottom of the refractory layer through an adjustment screw rod. The distance b between the banking fire plate and the bottom of the refractory layer is not smaller than 80 mm and not larger than 300 mm, the area of the banking fire plate is one third to a half of the cross sectional area of the oven inner cavity, n small banking fire holes are evenly distributed in the banking fire plate, n is not smaller than 3 and not larger than 8, the diameter d of each small hole is not smaller than 5 mm and not larger than 20 mm, a secondary air inlet pipe is arranged under the banking fire plate, and the secondary air inlet pipe is connected with the air inlet pipe.

A synchronous sampling pipe with multi-section connection comprises positioning and connecting blocks, a positioning and connecting plate, fixing pieces and two or more sampling pipe sections. The inner side of one end of each sampling pipe section is of an internal thread structure, the other end of each sampling pipe section is of an external thread structure, the synchronous sampling pipe is composed of the sampling pipe sections, and the adjacent sampling pipe sections are fastened through the threads on the inner sides of the ends of the sampling pipe sections. The positioning and connecting blocks are arranged at the ends of the adjacent sampling pipe sections respectively, and the positioning and connecting plate is arranged above the adjacent positioning and connecting blocks and is fixed to the positioning and connecting blocks through the fixing pieces. According to the synchronous sampling pipe with multi-section connection, it is guaranteed that wire pipe connecting lines coincide to guarantee that a wire passes through safely and smoothly; in the sampling process, the sampling pipe sections rotate and shift due to penetration force and friction force, and the positioning and connecting plate is fastened to the two connected sampling pipe sections through the connecting bolts to prevent the sampling pipe sections from shifting relatively.

The invention discloses a guide base applied to automatic production machine of belt, wherein the automatic production machine of belt comprises a belt conveyor, a main frame, a belt buckle a conveyor and a control cabinet; the main frame is installed with a sewing mechanism and cutting mechanism, the guide base is provided with arc concave surface in the side towards belt buckle conveyor, the head of the guide belt moves along the arc concave and bends afterwards to form overlapped structure, the surface of arc concave is embedded with multiple rollers, the head of auxiliary belt rotates and bends along the arc concave, an the head of the belt penetrates two ties on the belt buckle after movement along the arc concave and in the process of bending. The technical scheme can automatically and stably finish afterward bending in belt transmission process, penetrate two ties of the belt buckle successively, and form double-layer overlapped structure, which is stable and reliable, and reduces work load of operation personnel.

The invention relates to the technical field of sewage disposal, and discloses a riverway garbage collection and treatment device. The riverway garbage collection and treatment device comprises a protective net cage, wherein two rotating rods are movably connected to the interior of the protective net cage in a clamped mode, and rotating blades are fixedly arranged on the surfaces of the two rotating rods. According to a riverway sewage disposal device, the purpose of good sewage solid-liquid separation effect is achieved by arranging a solid garbage salvaging net box, a small garbage salvaging net box, the protection net cage and the like, a riverway is often filled with various solid and liquid garbage, large-size solid garbage can be left in the solid garbage salvaging net box by the solid garbage salvaging net box, small-size garbage enters the small garbage salvaging net box, the small-size garbage can be effectively adsorbed and condensed together in the small garbage salvaging net box by injecting a flocculating agent into a material injection pipe, and when any net box is saturated with the garbage, the net boxes can be lifted by utilizing left hydraulic rods and right hydraulic rods, so that the garbage can be manually treated, and the measure greatly improves the sewage solid-liquid separation effect.

The invention discloses a rice seedling transplanting machine with a seedling pressing device. The rice seedling transplanting machine comprises a rack, a travelling device, a seedling box, a seedlingtransporting mechanism and a seedling distribution and transplanting mechanism, wherein the rack is provided with a ship plate and an inclined plate; the seedling box is internally provided with theseedling transporting mechanism; the ship plate is provided with a plurality of seedling doors and the seedling distribution and transplanting mechanism; seedling abutting plates are slidingly arranged at two sides of the seedling doors, and the seedling abutting plates are connected with a third linear driver; one of the seedling abutting plates located at two sides of the seedling doors abuts against an end face after seedlings are transplanted in a seedling piece, and the other seedling abutting plate abuts against an end face before seedlings are transplanted in the seedling piece; the seedling transporting mechanism comprises a third conveyor belt; the seedling pressing device is arranged above the third conveyor belt; the seedling pressing device comprises a pair of fourth conveyor belts which are arranged oppositely; a plurality of seedling pressing rods are rotatably arranged between the fourth conveyor belts; a plurality of seedling pressing needles are arranged on the seedling pressing rods; the third conveyor belt pushes the fourth conveyor belts to rotate. The rice seedling transplanting machine can be used for effectively preventing the problem that the seedlings are lacked in a seedling transplanting process.