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36results about How to "Ease of local maintenance" patented technology

Combined type layered fluid partition mixing device and its application

ActiveCN103977720AFacilitates high-precision machiningExpand the wetted perimeterFlow mixersChemical/physical/physico-chemical processesChemical industryChemical reaction
The invention relates to a mixing device in the chemical industry, and in particular to a combined type layered fluid partition mixing device and its application. The fluid partition mixing device has a layered structure, is respectively provided inside with independent resident chambers for containing different fluids and a mixed chamber for containing the mixed fluid, each resident chamber is respectively communicated with the mixed chamber through a layered partition channel, and the layered partition channels with different fluids passing through are arranged independently and alternately from top to bottom, and different fluids in the resident chambers outflow respectively through the corresponding layered partition channels, and the outflow fluids are arranged alternately in layers, and mixed in the mixing chamber and outflow; and the fluid partition mixing device can be used for liquid-liquid mixing, liquid-gas mixing or gas-gas mixing. The mixing device of the invention is simple for processing and convenient for maintenance, and is mainly used for rapid mass transfer, heat transfer and polymerization, nitration, sulfonation, esterification, diazotization, coupling, acid-base neutralization and other various chemical reactions.
Owner:中国中化股份有限公司 +1

Vibrating equal-thickness flip-flow screen for multi-plastid activation

ActiveCN109453989AAvoid damageWith horizontal activationSievingScreeningEngineeringBiological activation
The invention discloses a vibrating equal-thickness flip-flow screen for multi-plastid activation. The flip-flow screen comprises an outer screen frame, a flip-flow body, an excitation device, a supporting frame, a T-shaped vibration isolation spring device and a screen plate, and the flip-flow body is fixedly arranged between two side plates of the outer screen frame to form a screen box; the excitation device is connected to the side face of the screen box through a main vibration spring; and the supporting frame and the outer screen frame are connected through the T-shaped vibration isolation spring device. The vibrating equal-thickness flip-flow screen for multi-plastid activation has the advantage that multi-plastid transverse vibration (which is beneficial to activating materials), equal-thickness screening and screen surface relaxation are achieved. The flip-flow screen only has transverse shearing dynamic load to the ground, a special vibration mode has a transverse activationeffect on materials, and the screening efficiency is high. The flip-flow screen surface makes the materials jump, and the hole blocking phenomenon is effectively eliminated. A motor is connected witha vibrating plastid small in amplitude, and the function of protecting the motor is achieved. The vibrating plastid and the screen box are flexibly connected through a plurality of sets of springs, sothat the stress of the whole structure is more reasonable.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Compact ceramic fiber spraying lining and its working process

The compact ceramic fiber spraying lining consists of ceramic fiber and high temperature binding agent, and the high temperature binding agent has ingredients including fine alumina powder 2.8-3.2 wt%, fine silica powder 3.3-3.7 wt%, nanometer level alumina powder 0.9-1.1 wt%, and ammonia water 0.9-1.1 wt% except water. During forming ceramic fiber spraying lining, one spray gun with several atomizing nozzles around it is used, the high temperature binding agent is pumped into the atomizing chamber and sprayed via the atomizing nozzles while ceramic fiber is sprayed from the spray gun, and the sprayed binding agent and the ceramic fiber are mixed in the air and the mixture is jetted to the lined surface to form the compact ceramic fiber spraying lining. With high strength, excellent waterproof performance, high heat shock resistance, easy construction and low cost, the sprayed lining is suitable for industrial furnace, tower, cylinder, etc.
Owner:北京嘉邦环保工程技术有限责任公司

Multifunctional anti-haze carbon fiber screen window

The invention discloses a multifunctional anti-haze carbon fiber screen window which comprises two grid layers and an anti-haze filter layer. Frames are arranged at the edges of the two grid layers and are provided with magnetic suction strips, the two grid layers are combined with each other via the magnetic suction strips to form an integral body with a gap, the anti-haze filter layer is arranged in the gap and is a blind window, the blind window comprises a plurality of bind window strips, and the blind window strips comprise a plurality of overlapped adsorption and filter layers. The multifunctional anti-haze carbon fiber screen window has the advantages that the blind window can be opened and closed and can rotate under the control, and accordingly the multifunctional anti-haze carbon fiber screen window can be regulated in a 'ventilation and light transmittance' mode and a 'haze filter' mode; liquid drop and dust particles in haze can be adsorbed and filtered by the multifunctional anti-haze carbon fiber screen window to the greatest extent, and accordingly the quality of indoor air can be effectively guaranteed; the multifunctional anti-haze carbon fiber screen window can be regulated in the ventilation mode according to different air conditions, and is good in light transmission in excellent weather environments.
Owner:SHANDONG UNIV +1

Multi-plasmid activation and vibration equal-thick flip-flow screen

The invention discloses a multi-plasmid activation and vibration equal-thick flip-flow screen which comprises a screen frame, a flip-flow body, a vibration excitation device, a support frame, a T-shaped spring device and a polyurethane screen plate. The invention aims to provide a novel screening device which has the characteristics of multi-plasmid horizontal vibration (good for activating materials) equal-thick screening, and screen surface flip-flow. Only a horizontal shearing dynamic load is stressed on the floor, and a special vibration manner has a horizontal activation effect on the materials, so that the screening efficiency is high. Through the flip-flow screen surface, the materials are moved in a trampolining way, so that the hole blockage phenomenon is effectively solved. A motor is connected with a vibration plasmid with a small amplitude of vibration, so that an effect on protection the motor is achieved; and the vibration plasmid and a screen box are flexibly connected through multiple groups of springs, so that the stress on the overall structure is reasonable.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Rainfall detection device

InactiveCN105204093AReasonable assistance measuresEasy to observeRainfall/precipitation gaugesSiphonEnvironmental engineering
The invention discloses a rainfall detection device which comprises a housing, a water container, a siphon and a camera. The water container inside the housing is connected with the top of the housing through a funnel, and the lower portion of the water container is further connected with a pressure sensor. The pressure sensor and the camera are simultaneously connected to a data acquirer located inside the housing. An access hole is further formed in the side face of the housing. By the adoption of the structure, the rainfall change situation can be detected, the change situation of a surrounding geological disaster can be also monitored, and transfer is performed remotely to facilitate later reasonable taking of recourse measures according to the situations of the rainfall and the surrounding geological disaster. In addition, due to the fact that the access hole is further specially formed for the rainfall detection device, later local overhaul is facilitated, and the using cost is reduced.
Owner:CHENGDU HANKANG INFORMATION IND

A combined laminar fluid distribution and mixing device and its application

ActiveCN103977720BFacilitates high-precision machiningExpand the wetted perimeterFlow mixersChemical/physical/physico-chemical processesChemical industryChemical reaction
The invention relates to a mixing device in the chemical industry, and in particular to a combined type layered fluid partition mixing device and its application. The fluid partition mixing device has a layered structure, is respectively provided inside with independent resident chambers for containing different fluids and a mixed chamber for containing the mixed fluid, each resident chamber is respectively communicated with the mixed chamber through a layered partition channel, and the layered partition channels with different fluids passing through are arranged independently and alternately from top to bottom, and different fluids in the resident chambers outflow respectively through the corresponding layered partition channels, and the outflow fluids are arranged alternately in layers, and mixed in the mixing chamber and outflow; and the fluid partition mixing device can be used for liquid-liquid mixing, liquid-gas mixing or gas-gas mixing. The mixing device of the invention is simple for processing and convenient for maintenance, and is mainly used for rapid mass transfer, heat transfer and polymerization, nitration, sulfonation, esterification, diazotization, coupling, acid-base neutralization and other various chemical reactions.
Owner:中国中化股份有限公司 +1

Compound type multifunctional transport case

The invention relates to a compound type multifunctional transport case which is characterized by comprising a cover plate, side plates, a compound case bottom and an interlayer parcel shelf. Connecting buckle plates and a cover plate positioning groove are arranged on one side of the cover plate; rotating joint buckles are arranged on one sides of the side plates; clamping grooves are formed in the other sides of the side plates; the compound case bottom comprises a function layer, a transition layer, a buffer compound layer, corner joint pins, a dot matrix bearing layer and a grid leveling layer; a water collecting and filtering hole, flow guiding grooves and a function bin are arranged on the function layer; and the buffer compound layer is formed by an upper bearing plate, a dot matrixbuffer layer and a lower bearing plate from top to bottom. According to the compound type multifunctional transport case provided by the invention, the vibration of the bottom part of a case body canbe reduced, the shaking of transported objects in the case body can be offset, meanwhile, condensate water produced during the transport process can be quickly guided to flow and collected, and the aim of preserving and refrigerating the transported objects can be achieved through placing a refrigerant into the function bin; and the compound type multifunctional transport case is simple in structure and has wide applicability.
Owner:BOZHOU UNIV

One-key dropping-type mine vehicle device

The invention relates to a one-key dropping-type mine vehicle device. The one-key dropping-type mine vehicle device comprises a mine vehicle main body device chairlift rod (1), an anti-swinging device (4), a chairlift seat and foot rest lever (5), a dropping control switch (9) and a spring (10), wherein the chairlift seat and foot rest lever (5) penetrates through the anti-swinging device (4), so that a connection hole (3) is opposite to a connection hole (6); then a connection rod (7) on the dropping control switch (9) penetrates through the connection holes (3) and (6) to connect the mine vehicle main body device chairlift rod (1), the anti-swinging device (4) and the chairlift and foot rest lever (5)into a whole body, junctions (2) and (8) are fixed by virtue of screws, and finally the dropping control switch (9) and the mine vehicle main body device chairlift rod (1) are fixed by utilizing a screw to penetrate through the spring; when in normal operation, the spring (10) presses the dropping control switch (9), so that the mine vehicle main body device chairlift rod (1), the anti-swinging device (4) and the chairlift seat and foot rest lever (5) are connected into the whole body; and when people get off a mine vehicle in emergency, the dropping control switch (9) is pressed, so that the connection holes (3) and (6) get out of the control of the connection rod (7), the chairlift seat and foot rest lever (5) is separated from the mine vehicle main body device chairlift rod (1), and people can get off the vehicle safely.
Owner:HENAN POLYTECHNIC UNIV

Green, environmentally-friendly and flame-retardant double-layer pipeline

The invention discloses a green, environmentally-friendly and flame-retardant double-layer pipeline. The double-layer pipeline comprises an inner layer pipeline and an outer layer pipeline, the innerlayer pipeline is coaxially arranged in the cavity of the outer layer pipeline; the outer wall of the outer layer pipeline is coated with a flame-retardant coating layer; a flame-retardant coating isprepared from, by mass, 20-35 parts of aqueous polyurethane, 17-42 parts of an aqueous acrylic resin emulsion, 3-6 parts of sodium silicate, 2-4 parts of ammonium polyphosphate, 2-4 parts of sulfosuccinate, 0.5-2 parts of a silane antifoaming agent and 70-90 parts of deionized water; and a clamping groove is arranged in the end part of the outer layer pipeline, and the end part of the inner layerpipeline is provided with a projection matched with the clamping groove. The double-layer pipeline has the advantages of good flame retardation effect and detachability.
Owner:合肥信比欣新材料有限公司

Combined protective slope and construction method thereof

The invention discloses a combined protective slope. The combined protective slope mainly comprises a lower blanket zone positioned at a river embankment blanket and an upper blanket zone positioned on a river embankment slope top as well as a protective slope main body which spreads along the river embankment slope surface and is used for connecting the upper blanket zone to the lower blanket zone, wherein reverse-filtration non-woven geotechnical cloth spreads between the protective slope main body and the river embankment slope surface. The invention further discloses a construction methodof the combined protective slope, and the construction method comprises the following steps of: pouring the lower blanket zone on the site on the bottom of the river embankment slope surface, and pouring the upper blanket zone on the site on the top of the river embankment slope surface; spreading the reverse-filtration non-woven geotechnical cloth from the river embankment blanket to the river embanked slope top on the river embankment slope surface; spreading the protective slope main body; and planting green plants. The combined protective slope adopts an interlocking block as the protective slope main body, plants green plants to assist slope protection, is environmentally friendly, is low in cost, and is relatively simple in daily maintenance and management.
Owner:WUHAN YIYE CONSTR ENG

Radar antenna array expansion and contraction mechanism

The present invention provides a radar antenna array expansion and contraction mechanism. The mechanism comprises an antenna back frame, a plurality of telescopic support arms, support rods, a plurality of oil cylinders and guiding devices. The telescopic support arms are respectively arranged on two sides of the antenna back frame; the adjacent telescopic support arms at the same side of the antenna back frame are sleeved; the telescopic support arms are arranged in pairs; the corresponding two telescopic support arms are connected by using the support rod; the radar antenna array expansion and contraction mechanism has a truss structure as a whole; the support rods are connected with the corresponding oil cylinders; the oil cylinder is configured to drive the expansion and contraction mechanism to expand or contract; the adjacent telescopic support arms are provided with the guiding device; and the guiding device is configured to guide the relative movement between the adjacent telescopic support arms. According to the radar antenna array expansion and contraction mechanism provided by the present invention, by using a truss structure of "two rows of multi-stage telescopic support arms+support rods+multi-stage oil cylinders", while ensuring the overall rigidity, the problems of the number of sub-arrays and the total size of the antennas restricted by a turnover mechanism aresolved to some extent, and the automatic erection of large-scale radar antennas are realized.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Metallurgical continuous casting workshop burial pit

The invention relates to a metallurgical continuous casting workshop burial pit. The metallurgical continuous casting workshop burial pit comprises a burial pit body, and the burial pit body is provided with anti-collision piles arranged on the inner side wall of the burial pit; protective steel plates are arranged between the adjacent anti-collision piles; a pit top anti-collision beam is arranged at the top of the pit wall; and a side wall protection plate is arranged on the outer side wall of the burial pit and extends downwards from the top of the pit wall to form collision protection on the outer side wall. The pit wall of the burial pit is of a multi-layer composite structure, the outer layer is made of reinforced concrete, the middle layer is provided with a heat preservation material serving as a heat preservation layer, the inner layer is provided with the anti-collision piles and protective steel plates, the pit bottom base layer is made of reinforced concrete, stacking feet are installed on the pit bottom, drainage ditches are arranged on the periphery, and water drawing wells are arranged on the outer side. According to the burial pit, the protection structures are provided for the inner side wall, the outer side wall and the top of the pit wall of the burial pit, so that each vulnerable part of the burial pit can be protected to the greatest extent, the impact resistance of the burial pit is improved, the service life of the burial pit is prolonged, and local maintenance is easy.
Owner:DAYE SPECIAL STEEL CO LTD

Ear loop grabbing and welding device for mask machine

The invention relates to the technical field of mask preparation devices, in particular to an ear loop grabbing and welding device for a mask machine. The ear loop grabbing and welding device for themask machine is characterized by comprising a bearing plate, a routing mechanism, a cam lifting mechanism, an ear loop grabbing and transferring mechanism, an ear loop welding mechanism and a mask tablet pressing mechanism. According to the ear loop grabbing and welding device for the mask machine provided by the invention, the lifting and lowering distances of the cam lifting mechanism are controlled easily, the lifting and lowering efficiency is high, and the stability is good; the ear loop grabbing and transferring mechanism is simple in structure arrangement and high in operation accuracy;and the ear loop welding mechanism and the mask tablet pressing mechanism are matched, so that mask tablets keep flat before ear loops are welded, the position accuracy and the welding success rate of ear loop welding are greatly improved, the running speed is greatly improved, the yield is increased, and the noise is greatly reduced.
Owner:YANTAI KAIBO AUTOMATION TECH

Composite multifunctional box bottom structure

The invention relates to a composite multifunctional box bottom structure. The composite multifunctional box bottom structure is characterized in that the box bottom comprises a function layer, a transition layer, a buffering composite layer, corner connecting columns, a lattice pressure bearing layer and a grid leveling layer. The function layer is provided with a water collecting filter hole, aflow guiding ditch and a function bin. The transition layer and the buffering composite layer are provided with a bolt hole and corner connecting holes. The buffering composite layer is composed of anupper load bearing plate, a lattice buffering layer and a lower load bearing plate from top to bottom. According to the composite multifunctional box bottom structure, vibration of the bottom of thebox can be eliminated and reduced, swinging of transportation objects in the box can be offset, and the effect of both-way vibration reduction is achieved. Meanwhile, condensate water generated in thetransportation process can be rapidly subjected to flow guiding and collecting, a refrigerant can be placed in the function bin, and the purposes of transportation object fresh keeping and cold storage are achieved. The structure is simple, cyclic utilization is facilitated, and wide applicability is achieved.
Owner:BOZHOU UNIV

Multifunctional environment-friendly guide structure

The invention discloses a multifunctional environment-friendly guide structure. The structure comprises an inner layer tube body and an outer layer tube body, and the inner layer tube body is coaxially arranged in the cavity of the outer layer tube body. The outer tube body and the inner tube body are of interlayer structures, and thermal insulation cotton is filled in the cavity of the interlayer; the inner wall of the inner layer tube body is coated with an antibacterial adsorption layer; a flame-retardant layer coats the outer wall of the outer-layer tube body, and an elastic protrusion isarranged at the start end of the inner layer tube body; a groove which is matched with the elastic protrusion is formed in the starting end of the outer tube body; the side wall of the elastic protrusion is provided with a sub-protrusion, and the groove body comprises an outer groove body close to the outside and an inner groove body close to the interior; the width of the outer groove body is larger than the width of the inner groove body; and a first spring is arranged on the inner bottom wall of the inner groove body, and a second spring is arranged on the first inner side wall of the innergroove body; and a baffle is arranged on the first inner side wall of the inner groove body, and the baffle and the sub-protrusions are both magnetic bodies. The structure has the advantages of beinggood in heat preservation effect, detachable, and capable of sterilizing and inflaming retarding.
Owner:合肥信比欣新材料有限公司

Combined stove especially for ferrotitanium smelting

InactiveCN101221014ASolve the technical problems of continuous productionWill not failLighting and heating apparatusSlagFlange
The invention relates to a special combined furnace used for ferrotitanium smelting. The furnace has a combined detachable structure, comprising a furnace cylinder 1 and a furnace base 2 which can be conveniently combined and disassembled. The furnace cylinder 1 consists of a cylinder outer casing 3, a furnace lining block 4 and a combined gemel 5. A hook 6 is arranged on the cylinder outer casing 3, and a furnace liner is formed by combing the furnace lining block 4 and the combined gemel 5. The furnace cylinder 1 comprises an upper furnace cylinder 11 and a lower furnace cylinder 12. A slag draining outlet 111 is arranged on the upper furnace cylinder 11 and a connecting flange 121 is arranged around the bottom of the lower furnace cylinder 12. An inward sliding transition ring 122 is arranged on the inner wall of the lower furnace cylinder 12 on the jointing part with the furnace seat 2 which consists of a furnace base casing 21 and a base 22, and a tightening fastener 211 is arranged on the furnace seat casing 21. The lower furnace cylinder 12 is fixed on the furnace base 2 through the connecting flange 121 at the bottom and the tightening fastener 211, and the upper furnace cylinder 11 is arranged on the lower furnace cylinder 12. The invention is a non-fixed split structure and the position can be pulled and changed for a recycle use. The invention has the advantages that the structure is simple; the operation is convenient; the disassembling, maintenance and replacement are convenient.
Owner:苏永山 +2

A composite multifunctional box bottom structure

The invention relates to a composite multifunctional box bottom structure. The composite multifunctional box bottom structure is characterized in that the box bottom comprises a function layer, a transition layer, a buffering composite layer, corner connecting columns, a lattice pressure bearing layer and a grid leveling layer. The function layer is provided with a water collecting filter hole, aflow guiding ditch and a function bin. The transition layer and the buffering composite layer are provided with a bolt hole and corner connecting holes. The buffering composite layer is composed of anupper load bearing plate, a lattice buffering layer and a lower load bearing plate from top to bottom. According to the composite multifunctional box bottom structure, vibration of the bottom of thebox can be eliminated and reduced, swinging of transportation objects in the box can be offset, and the effect of both-way vibration reduction is achieved. Meanwhile, condensate water generated in thetransportation process can be rapidly subjected to flow guiding and collecting, a refrigerant can be placed in the function bin, and the purposes of transportation object fresh keeping and cold storage are achieved. The structure is simple, cyclic utilization is facilitated, and wide applicability is achieved.
Owner:BOZHOU UNIV

Pipe body assembly with sterilization and heavy metal ion removal functions

The invention discloses a pipe body assembly with the sterilization and heavy metal ion removal functions. The pipe body assembly comprises a plurality of pipe bodies; the ends between every two adjacent tube bodies are detachably connected; each tube body comprises an inner-layer pipe body and an outer-layer pipe body; the inner-layer pipe bodies are coaxially arranged in cavities of the outer-layer pipe bodies; the inner wall of each inner-layer pipe body is coated with an antibacterial adsorption layer, and each antibacterial adsorption layer is prepared from the following raw materials, bymass: 23 parts of chitosan, 12 parts of gelatin, 1 part of molybdenum oxide, 2.2 parts of yttrium oxide and 1.5 parts of nano silver ions; a clamping groove is formed in the end part of each outer-layer pipe body; and a protrusion matched with the corresponding clamping groove is arranged at the end part of each inner-layer pipe body. The pipe body assembly has the advantages of being environmentally-friendly, good in antibacterial effect and high in mechanical strength.
Owner:合肥信比欣新材料有限公司

One-button off-type monkey car device

The invention relates to a one-key dropping-type mine vehicle device. The one-key dropping-type mine vehicle device comprises a mine vehicle main body device chairlift rod (1), an anti-swinging device (4), a chairlift seat and foot rest lever (5), a dropping control switch (9) and a spring (10), wherein the chairlift seat and foot rest lever (5) penetrates through the anti-swinging device (4), so that a connection hole (3) is opposite to a connection hole (6); then a connection rod (7) on the dropping control switch (9) penetrates through the connection holes (3) and (6) to connect the mine vehicle main body device chairlift rod (1), the anti-swinging device (4) and the chairlift and foot rest lever (5)into a whole body, junctions (2) and (8) are fixed by virtue of screws, and finally the dropping control switch (9) and the mine vehicle main body device chairlift rod (1) are fixed by utilizing a screw to penetrate through the spring; when in normal operation, the spring (10) presses the dropping control switch (9), so that the mine vehicle main body device chairlift rod (1), the anti-swinging device (4) and the chairlift seat and foot rest lever (5) are connected into the whole body; and when people get off a mine vehicle in emergency, the dropping control switch (9) is pressed, so that the connection holes (3) and (6) get out of the control of the connection rod (7), the chairlift seat and foot rest lever (5) is separated from the mine vehicle main body device chairlift rod (1), and people can get off the vehicle safely.
Owner:HENAN POLYTECHNIC UNIV

Multi-rod type radar edge block antenna overturning and locking mechanism

The invention discloses a multi-rod type radar edge block antenna overturning and locking mechanism, and belongs to the technical field of antenna overturning and locking. The mechanism comprises an antenna back frame, an edge block framework, an overturning oil cylinder, a follow-up rod, a locking positioning piece and a supporting rod, wherein the edge block framework is rotatably connected withthe antenna back frame, one end of the overturning oil cylinder is rotatably connected with the antenna back frame, the other end of the overturning oil cylinder is rotatably connected with the edgeblock framework, and one end of the follow-up rod is rotatably connected with the edge block framework. According to the invention, a slider-crank mechanism with the slider as a driving piece is adopted to complete the overturning action of the edge block antenna, and a four-bar mechanism is adopted to complete the overturning locking of a working state and a transportation state, so that the movement precision and stability are high; the positions of a connecting rod and a hinge point have design adjustability in space, the spatial positions of the connecting rod and the hinge point can be adjusted according to actual layout requirements, and the space utilization rate is high; and one locking bolt is used for completing overturning locking in the working state and the transportation state, the structure is simple, and the installation and local maintenance are easy.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

A composite multifunctional transport box

The invention relates to a compound type multifunctional transport case which is characterized by comprising a cover plate, side plates, a compound case bottom and an interlayer parcel shelf. Connecting buckle plates and a cover plate positioning groove are arranged on one side of the cover plate; rotating joint buckles are arranged on one sides of the side plates; clamping grooves are formed in the other sides of the side plates; the compound case bottom comprises a function layer, a transition layer, a buffer compound layer, corner joint pins, a dot matrix bearing layer and a grid leveling layer; a water collecting and filtering hole, flow guiding grooves and a function bin are arranged on the function layer; and the buffer compound layer is formed by an upper bearing plate, a dot matrixbuffer layer and a lower bearing plate from top to bottom. According to the compound type multifunctional transport case provided by the invention, the vibration of the bottom part of a case body canbe reduced, the shaking of transported objects in the case body can be offset, meanwhile, condensate water produced during the transport process can be quickly guided to flow and collected, and the aim of preserving and refrigerating the transported objects can be achieved through placing a refrigerant into the function bin; and the compound type multifunctional transport case is simple in structure and has wide applicability.
Owner:BOZHOU UNIV

Modular reconfigurable transverse vibration large flip-flow screen

ActiveCN114377948AAvoid problems with poor structural reliabilityAvoid accumulationSievingScreeningElectric machineryStructural engineering
The invention discloses a modularized reconfigurable transverse vibration large flip-flow screen which comprises a rack, a unit flip-flow screen, a feeding end material blocking device, a motor and a motor base. The unit flip-flow screen is composed of an inner screen frame, an outer screen frame, an eccentric stepped rotating shaft, a connecting rod, an eccentric belt pulley, a plate spring, an ROSTA spring, an adjustable spring support, a polyurethane screen plate and the like. The unit flip-flow screens are supported and installed on the machine frame through adjustable springs, and the proper number, installation conditions and operation working conditions of the unit flip-flow screens are selected according to the material quantity and the material property. The feeding end material blocking device is independently installed and is supported on the machine frame through a support, and the included angle between the feeding end material blocking device and the screen face is adjustable. The problem that a large flip-flow screen structure is poor in reliability is solved, and the proper screening area, the screen face inclination angle, the amplitude and the frequency can be flexibly selected according to the material quantity and the material property. The vibrating screen has the advantages of being simple in structure, high in screening efficiency, small in foundation dynamic load and capable of saving energy.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
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