21results about How to "Structural science" patented technology

The utility model relates to the technical field of medical instruments, in particular to a visual external ventricular puncture device and drainage device.The puncture device comprises a puncture part, a drainage part and a holding part which are sequentially arranged, an inner drainage cavity and a puncture cavity are formed in the drainage part, an outer drainage cavity is formed in the holding part, the outer drainage cavity is communicated with the inner drainage cavity, and the outer drainage cavity is communicated with the puncture cavity. The puncture part is installed in the puncture cavity, the end, away from the holding part, of the puncture part protrudes out of the end, away from the holding part, of the drainage part, the end, protruding out of the drainage part, of the puncture part is of a transparent tip structure, a micro camera is installed in the tip structure, the puncture device further comprises a display screen, and the micro camera is in communication connection with the display screen; a plurality of drainage holes are formed in the side wall, close to the puncture part end, of the drainage part and communicate with the inner drainage cavity; the puncture part is made of elastomer materials, and the drainage part is made of soft materials. Visualization can be achieved in the puncture process, and the blind puncture phenomenon is avoided; and accurate positioning can be achieved, and the drainage effect is improved.

The utility model relates to the technical field of bee-keeping industry production machinery design, in particular to a wax cutting, worm clamping and pulp digging all-in-one machine which is characterized in that a royal jelly platform base strip frame is vertically erected on an all-in-one machine rack, a royal jelly platform base strip moving device is arranged below the royal jelly platform base strip frame, and a beewax cutting knife is arranged at the outward moving end of the royal jelly platform base strip moving device; the beewax cutter is arranged on the base bar, the blade of the beewax cutter faces inwards, the honeycomb imaging device is located on one side of the insect clamping mechanical arm, the insect clamping mechanical arm is a double-needle rotary insect clamping mechanical arm, the honeycomb imaging device and the double-needle rotary insect clamping mechanical arm face the royal jelly platform base bar, and the royal jelly platform base bar is transferred to the royal jelly digging device through the base bar overturning device to dig royal jelly and discharge royal jelly. The all-in-one machine can fully automatically complete the processes of wax cutting, worm clamping, transferring and royal jelly digging in the royal jelly production process, the whole production process can be fully automatically completed by equipment except for feeding, a large amount of labor force is saved, the royal jelly production efficiency is high, and the occupied area is small.

This utility model relates to the field of waste plastic recycling equipment, and particularly to a PET bottle flake hot washing pot. It includes a box with an internal cavity, a drive motor mounted on the box, a feed inlet located on the upper part of the box and connected to the cavity, and a discharge auger located at one end on the bottom of the box and connected to the cavity. The cavity has a regular polygonal structure, and a feeding structure is provided on the outer side of the box. The feeding structure includes a feeding channel fixed to the upper part of the box and connected to the cavity, a rotating shaft rotatably connected to the feeding channel, and a rotating paddle fixed to the rotating shaft and matched to the feeding channel. This utility model features minimal structural modifications, effectively preventing alkaline water splashing, reducing potential operational accidents, and improving the cleaning efficiency of PET bottle flakes.

The invention provides a polyunsaturated sulfobetaine containing a glycidyl group, which is used for graft crosslinking modification of starch, cellulose, polyurethane, polyamide, polyester, polyolefin or polyether etc. containing amino or hydroxyl groups in the polymer chain structure, and simultaneously introduces quaternary ammonium cations and unsaturated sulfobetaine to give the modified polymer material hydrophilicity, antibacterial property, polymerizability and the like.

The utility model discloses an annular high-frequency electromagnetic resonance device, and belongs to the technical field of electromagnetic heating devices. The coil is an annular high-frequency electromagnetic heating coil which is uniformly wound on the outer wall of the hollow cylinder, the top of the hollow cylinder is provided with a skeleton ring edge which is reversely folded outwards, and the bottom of the hollow cylinder is provided with a skeleton ring edge which is reversely folded outwards; 3-10 magnetic conductive strips close to the high-frequency electromagnetic heating coil are arranged between the framework ring edge and the coil bracket; and the high-frequency electromagnetic heating metal ring is concentrically arranged in an encirclement ring of the high-frequency electromagnetic heating coil. The high-frequency electromagnetic heating kettle has the advantages that the annular high-frequency electromagnetic heating coil 4 is ingeniously used for replacing a coil panel of a planar spiral disc-shaped structure, a combination body of the non-metal kettle body and the high-frequency electromagnetic heating metal ring which are more environmentally friendly and harmless is used for replacing a traditional metal kettle body, the structure of a traditional electromagnetic heating device is eliminated, and the planar occupied space of a product is reduced; and installation of the temperature sensor and the gravity sensor is facilitated.

The invention provides a rotary disc aerator with spiral plug flow, which overcomes the tedious structure of an oxidation ditch rotary disc aerator, is reasonable in design and good in aeration effect, and comprises a driving motor, a speed reducer, a mounting frame, a rotating shaft, a main shaft and a rotary disc which are connected in sequence, the main shaft is longitudinally distributed and is driven by a motor, and the core is that the rotating disc aerator and the water impeller are combined into a whole, so that the unification of surface flow pushing and mechanical aeration is realized.

The modified large-span plastic greenhouse comprises cross beams, a roof arch frame and stand columns, the cross beams comprise an upper cross beam, a lower cross beam, two pieces of connecting angle steel and web members for fixedly connecting the upper cross beam and the lower cross beam, and the connecting angle steel is arranged on the two sides of the upper cross beam and the two sides of the lower cross beam respectively; the roof arch frame comprises an arch frame, an upper chord member and a lower chord member, the upper chord member and the lower chord member are obliquely arranged in parallel, the upper end of the upper chord member and the upper end of the lower chord member are connected with the upper end of the arch frame, and the lower end of the upper chord member and the lower end of the lower chord member are connected with the connecting angle steel; the arch frames, the upper chords and the lower chords are symmetrically arranged on the two sides of the cross beam, a T-shaped connecting support is fixedly connected to the upper portion of the upper cross beam and comprises a horizontal supporting rod and a vertical supporting rod which are perpendicularly connected, the two ends of the horizontal supporting rod are connected with the two sets of upper chords respectively, the upper end of the vertical supporting rod is connected with the horizontal supporting rod, and the lower end of the vertical supporting rod is connected with the upper cross beam. The upper end of the stand column is connected with the lower beam, and the lower end of the stand column is arranged on the stand column base. The device is simple in structure and complete in function, the waste sunlight greenhouse roof arch frame is recycled, the construction cost of a large-span plastic greenhouse is reduced, and the development of facility agriculture can be promoted.

The invention relates to an unmanned racing car straight gear rack type man-machine co-driving dual-mode steering system which comprises a control mechanism, a steering gear and a transmission mechanism, the control mechanism comprises a steering wheel, a steering column transmission mechanism and a lower steering column gear, and the steering gear comprises a reversing gear box, a rack and a displacement sensor. The transmission mechanism comprises a motor, a speed reducer and an electromagnetic clutch; the steering wheel is in transmission connection with the lower steering column gear through the steering column transmission mechanism, and the lower steering column gear is connected with the reversing gear box in a matched mode and penetrates through the reversing gear box to be connected with the rack in a matched mode. The output end of the motor is connected with the speed reducer which is connected with the reversing gear box in a matched mode through the electromagnetic clutch. And the displacement sensor is linked with the rack so as to detect the displacement of the rack in real time. The system can flexibly achieve switching between manual operation and unmanned operation, steering is flexible and smooth, and the response speed is high.

The invention discloses a composite biomass gasifier, which mainly generates fuel gas through high-temperature reaction in a gasification reaction chamber and a carbon layer gasification chamber; the biomass fuel first undergoes high-temperature cracking and gasification reaction in the gasification reaction chamber to generate fuel gas, and the biomass fuel that is not completely reacted in the gasification reaction chamber is converted into biomass carbon and falls into the carbon layer gasification chamber, and then the high-temperature biomass carbon undergoes oxidation-reduction reaction with the air coming in from below and the water vapor generated by the high temperature in the sealed water pool to generate carbon monoxide and hydrogen, so that the biomass fuel can be converted into fuel gas as much as possible. Its characteristics are: scientific, ingenious and compact structure, the double-layer feeding hopper can prevent the fuel gas from escaping during feeding; the bucket cone-shaped pulling plate can prevent the silo from bridging and arching; the air supply pipe is used as the middle air intake channel, and the air intake is more uniform without dead corners; the sealed water pool can prevent the leakage of fuel gas during ash discharge; the extrusion slag-breaking grate breaks the coke blocks formed by the high temperature of the biomass ash.

The utility model relates to the technical field of bee-keeping industry production machinery design, in particular to a wax cutting and insect clamping all-in-one machine which is characterized in that a royal jelly platform base strip frame is vertically erected on an all-in-one machine rack, a royal jelly platform base strip moving device is arranged below the royal jelly platform base strip frame, and a beewax cutting knife is arranged at the outward moving end of the royal jelly platform base strip moving device; a cutting edge of the beewax cutting knife faces inwards, the honeycomb imaging device is located on one side of the insect clamping mechanical arm, the insect clamping mechanical arm is a double-needle rotary type insect clamping mechanical arm, and the honeycomb imaging device and the double-needle rotary type insect clamping mechanical arm face the royal jelly platform base strip. According to the all-in-one machine, the wax cutting and insect clamping procedures can be completed in a full-automatic mode, besides manual feeding is needed in the production process, wax cutting and insect clamping can be completed in a full-automatic mode, labor is saved, and production efficiency is improved.

The utility model relates to the field of metal filter bottle caps, and discloses a metal filter bottle cap sealing structure capable of being quickly assembled and disassembled, which comprises a filter bottle, a sealing ring, a filter bottle cap and a clamp ring, a boss column which protrudes downwards is arranged in the filter bottle cap, and an outer flanging table which is buckled and matched with the boss column in shape is arranged at the opening part of the filter bottle; the sealing ring is sleeved at the root part of the boss column of the filter bottle and is in elastic contact with the inner wall of the outer flanging table; and the hoop ring is clamped and sleeved outside the outer flanging table of the filter bottle and the filter bottle cover. The filter bottle cap has the advantages that the filter bottle cap can conveniently and quickly seal the filter bottle or can be conveniently and quickly taken out of the filter bottle, the filter bottle cap can be kept relatively stable during disassembly and assembly due to the adoption of the metal filter bottle cap sealing structure, liquid is prevented from overflowing out of the filter bottle, and a filter element or a filter material can be quickly and safely replaced.

The utility model discloses a vertical circulation stereo garage car-carrying hanging bracket with multiple independent fire extinguishing devices, and relates to the technical field of stereo garage fire extinguishing, the front end of the car-carrying hanging bracket is provided with at least two stored pressure automatic fire extinguishing devices, and the bottom end of each stored pressure automatic fire extinguishing device is provided with a temperature sensing nozzle; an included angle is formed between each temperature sensing nozzle and the ground and is an acute angle, and the distance between the bottom end of each temperature sensing nozzle and the center of the vehicle carrying hanging bracket is smaller than that between the top end of each temperature sensing nozzle and the center of the vehicle carrying hanging bracket. And a gap is reserved between each temperature sensing nozzle and the bottom surface of the vehicle carrying hanging bracket. When the vertical circulation stereo garage parks vehicles and fires, the temperature sensing nozzles can be quickly and automatically opened, fire extinguishing agents of the multiple pressure storage automatic fire extinguishing devices are intensively sprayed to the vehicle heads of the vehicles on the vehicle carrying hanging bracket and cover the vehicle heads to achieve fire extinguishing, and the vertical circulation stereo garage has the advantages that fire extinguishing is reliable, and the initial fire of the parking space can be extinguished in time.

The invention discloses a novel Tai Chi mandarin duck hot pot, the pot base cover of which is an annular structure with a hollow interior; the spherical pot body of the hot pot is arranged on the pot base cover, and the pot base cover is provided with a natural gas stove for heating the spherical pot body below the spherical pot body, and an S-shaped partition plate divides the space of the spherical pot body into a positive pot and a negative pot, and the positive pot and the negative pot are both provided with a spice hole tube as the Tai Chi two-way, and an annular cooling platform is provided at the bottom of the annular furnace body, and a cooling water tank for storing water is provided on the annular cooling platform. The advantages are: the contact area between the spherical pot body and the flame is large, the heat of the flame is fully absorbed, the loss of gas is reduced, and energy saving and environmental protection are achieved; each unique component not only plays a corresponding function but also takes into account each key element in the story of Nezha's troubles in the sea, which is conducive to cultural inheritance; the structure is scientific, the design is reasonable, and it can be integrated with the natural gas stove, the open flame is hidden, and the wind direction has little influence.

The utility model relates to the field of ceramic tiles, and discloses an anti-falling ceramic tile capable of forming a rigid mortise and tenon joint structure with an adhesive, which comprises a plurality of concave-convex back grains distributed on the back surface of the ceramic tile, the concave-convex back grain is provided with a dovetail groove with a barb; the concave-convex back grains on the back surface of the ceramic tile are divided into upper, lower, left and right areas, the barbs of the dovetail grooves of the concave-convex back grains on the upper side of the back surface of the ceramic tile face the upper side, and the barbs of the dovetail grooves of the concave-convex back grains on the lower side of the back surface of the ceramic tile face the lower side; and the barbs of the dovetail grooves with the concave-convex back grains on the left side of the tile back face towards the left side, and the barbs of the dovetail grooves with the concave-convex back grains on the right side of the tile back face towards the right side. The ceramic tile has the advantages that when the ceramic tile is produced, the formed back pattern has the barb-shaped dovetail groove structure, when the ceramic tile is paved, an adhesive for construction forms a rigid mortise and tenon joint structure with the dovetail groove of the ceramic tile after being hardened, and chemical bonding force is replaced by physical structural force, so that the tensile strength of the ceramic tile and the durability of the bonding force are greatly improved, and the service life of the ceramic tile is prolonged. Therefore, the problem of ceramic tile falling is thoroughly solved.

The invention relates to a quick gantry device of a double-mold pattern cloth cutting machine, which comprises two gantries, each gantry is provided with a ball screw linear module, and a cloth cutting port is formed between the two gantries; a first supporting seat and a second supporting seat are arranged on the two sides of the top of the gantry respectively, threaded holes are formed in the first supporting seat and the second supporting seat, one end of a positive and negative tooth lead screw is arranged in the threaded hole of the first supporting seat, and the other end of the positive and negative tooth lead screw penetrates out of the threaded hole of the second supporting seat to be fixedly connected with a power output shaft of a motor. The positive and negative tooth screw rod synchronously rotates along with the rotation of a power output shaft of the motor; a first nut and a second nut are correspondingly arranged on two sections of threaded parts with different screwing directions in the positive and negative thread lead screw respectively, the first nut is fixed with the lower die, and the second nut is fixed with the upper die; according to the embossing device, the upper die and the lower die move forwards and backwards to achieve embossing operation on cloth, and different patterns can be pressed by replacing different upper dies and lower dies.

The utility model discloses an automobile floor made of composite materials. The automobile floor is sequentially provided with a metal bottom layer, a fireproof plastic core layer, a metal surface layer, a printable polyester coating and a pattern printing layer from bottom to top. And the fireproof plastic core layer is bonded with the metal bottom layer and the metal surface layer through high-molecular bonding layers. The composite material automobile floor is more scientific and reasonable in structure, light in weight, particularly good in rigidity, particularly flat in surface, environmentally friendly, suitable for personalized decoration printing and suitable for industrial continuous production.

This utility model discloses a purification device for a smokeless hot pot table, including a tabletop, a housing, an oil fume separation device, a negative pressure generating device, a catalytic purification device, a heat dissipation device, and an intelligent control device. The tabletop is located on top of the housing, while the oil fume separation device, negative pressure generating device, and catalytic purification device are all located inside the housing. The heat dissipation device is located on the side wall of the housing. The oil fume separation device, negative pressure generating device, catalytic purification device, and heat dissipation device are all electrically connected to the intelligent control device. This device has a compact overall structure, is integrated into the cooking table, saves space, and has advantages such as high-efficiency purification, energy saving and noise reduction, and convenient maintenance. It can effectively solve the problems of traditional external oil fume treatment equipment, such as large space occupation, incomplete purification, and high energy consumption, and meet the environmental protection and comfort requirements of modern catering.

This utility model relates to the technical field of railway maintenance equipment, and in particular to a common sleeper spiral spike anchoring frame, comprising a positioning sleeve arranged vertically, wherein the positioning sleeve is provided with a magnet for attracting the spike, one side of the positioning sleeve is provided with an opening for easy insertion or removal of the spike from the side, the other side of the positioning sleeve is fixedly connected with a positioning plate for fitting against the side of the sleeper's rail groove, a support rod is provided below the positioning sleeve for abutting against the bottom surface of the sleeper's rail groove, and a positioning rod is provided above the positioning sleeve for positioning the spike height. This utility model has a scientific structure and ingenious design, which can not only control the axis of the spike to be in the vertical direction, thus coaxial with the reserved hole, but also control the height of the spike, providing accurate positioning, simple operation, and convenient use, thereby improving work efficiency.

The invention relates to a pressing mechanism and a sole pressing machine for shoemaking, the pressing mechanism is provided with a supporting seat, a telescopic cavity is arranged on the supporting seat, and a following material is arranged in the telescopic cavity; when the telescopic cavity is contracted, the following material outputs power to drive a profiling block, the profiling block extends to the pressed object and presses the pressed object; the profiling block is arranged on the corresponding side of the telescopic cavity and can extend according to the curvature of the pressed object, so that the front end of the profiling block can be arranged according to the curvature of the pressed object and give appropriate pressing force to the curvature of each region. The profiling block is synchronously stressed, and the pressure is balanced, so that the pressing effect is improved, the pressing is compact, flat and smooth, and the manufacturing and use performance of the sole pressing machine is optimized. The steel ball is pushed by the machine, the profiling block is pushed by the steel ball, the profiling block forms the curvature that matches the shoe when the profiling block meets the concave-convex part of the shoe, the shoe edge can be closely and flatly attached to the shoe edge according to the curvature, seamless pressing is realized, and the manufacturing efficiency and quality are improved.