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242results about How to "Quick pour" patented technology

Urban subway mudstone stratum connected aisle and shield tunneling parallel construction method

ActiveCN103032073ASolve the inability to realize the construction of the communication channelSolve the technical problems of shield tunnelingUnderground chambersTunnel liningSocial benefitsArchitectural engineering
The invention relates to the field of tunnel shield construction, in particular to an urban subway mudstone stratum connected aisle and shield tunneling parallel construction method, and solves the problems that due to the adoption of a blasting method in the prior art, the period is long, traffic recovery is delayed, interference to shield tunneling is generated and the blasting method and the shield tunneling cannot be constructed in parallel. The urban subway mudstone stratum connected aisle and shield tunneling parallel construction method comprises the following steps of: carrying out temporary supporting and reinforcement at an opening of a connected aisle; constructing upper steps of the connected aisle; constructing lower steps of the connected aisle; and carrying out second liner construction. A construction platform which is temporarily erected is sufficiently utilized and an air compressor is arranged in a station to provide the air pick excavating condition for the connected aisle and reduce interference to shield tunneling; a roller is welded under a conventional conveying pump and a rail concrete tank wagon is applied to rapidly carry out concreting when shield tunneling is shut down to carry out repair and maintenance. The urban subway mudstone stratum connected aisle and shield tunneling parallel construction method has the advantages of simple process, advanced technology, flexible process arrangement, strong practicality, shortening of the construction period and the like, a gap of an urban subway mudstone stratum connected aisle and shield tunneling parallel construction technology in China is filled and excellent economic benefits and social benefits can be obtained.
Owner:CHINA RAILWAY 12TH BUREAU GRP +1

Axial flow device

The invention provides an axial flow device comprising a shell and a transmission device. The shell is provided with the transmission device and is internally provided with a shell cavity; a vortex tube impeller is arranged in the shell cavity; the transmission device is connected with a vortex tube impeller; the vortex tube impeller is provided with a vortex tube which is provided with an impeller opening A and an impeller opening B and is internally provided with a wheel body, and the wheel body is provided with a guide blade; an inclined angle is formed between the guide blade and a rotating shaft of the vortex tube impeller; the guide blade is connected to the inner wall of the vortex tube; a shell cavity opening A is arranged at one end, which corresponds to the impeller opening A, of the shell cavity; and a shell cavity opening B is arranged at the other end of the shell cavity. The axial flow device is more energy-saving and can be used for pressurizing and conveying fluid. The axial flow device can serve as a water pump, vacuum equipment, air suction equipment, an air blower, a compressor, atomizing equipment, sprinkling equipment, a reactor, air blowing equipment, propelling equipment, a sewage processor, a dust remover, a dust collector, dressing equipment, a steam turbine, a water turbine, a wind turbine, a vortex pressurizing device utilizing residual heat of an engine, foam material manufacturing equipment, nano material manufacturing equipment and the like; and the axial flow device can be used for manufacturing a brand new foam material.
Owner:陈久斌

Coal seam low-temperature fixed-point frozen sampling device and use method thereof

The invention discloses a coal seam low-temperature fixed-point frozen sampling device and a use method thereof. The coal seam low-temperature fixed-point frozen sampling device comprises a through hole coring bit. The outer wall and the inner wall of the right end of the through hole coring bit are connected with a sampling drill pipe and a frozen low-temperature sample storing device correspondingly. The right end of the sampling drill pipe is connected with a drill pipe adapter. A dry ice cooling layer and a heat-insulation heat-preservation layer are arranged between the sampling drill pipe and the frozen low-temperature sample storing device. According to the sampling method, a drilled hole is constructed to the designed depth, the coal seam low-temperature fixed-point frozen sampling device is put into the bottom of the drilled hole and pushed towards a coal seam, a collected coal sample pushes a round baffle to enter an inner cavity of a low-temperature sample storing barrel and is cooled rapidly, meanwhile, water is supplied into a frozen sealed barrel, the coal sample mixed with water in the frozen sealed barrel is frozen rapidly in a low-temperature environment, dissipation of gas is lowered, a sealing bolt is detached after a drill is retreated, the internal coal sample is rapidly poured out by pushing the round baffle with a metal guide rod, and the coal sample is transferred into a coal sample tank to be sealed and stored. The coal seam low-temperature fixed-point frozen sampling device and the use method thereof realize low-temperature fixed-point frozen sampling, can effectively reduce the loss of gas in the sampling process, and are beneficial to improving the accuracy of the measured gas content of the coal seam.
Owner:HENAN POLYTECHNIC UNIV

Efficient gluing device for plywood

The invention belongs to the field of plywood processing, and particularly relates to an efficient gluing device for plywood. The efficient gluing device for the plywood aims to solve the problems that an existing gluing device is not uniform in gluing, and automatic feeding and discharging cannot be realized. The device comprises a base, a feeding conveying belt, a supporting frame and a gluing mechanism, wherein a plurality of first telescopic rods are fixed at one end of the base, and the output shaft of the first telescopic rods are connected with a feeding plate with an L-shaped verticalsection; a mounting groove is formed in the top end of the feeding plate, and a rodless air cylinder is arranged in the mounting groove; the output shaft of the rodless air cylinder is connected witha material pushing plate slidably connected to the top end of the feeding plate, one end of the feeding plate is provided with the feeding conveying belt, and one end of the feeding conveying belt isarranged on the base; the upper end face of the feeding conveying belt and the upper end face of the feeding plate are located on the same plane, and a gluing mechanism positioned on one side of the feeding plate is arranged above the feeding conveying belt; according to the device, the automation degree is high, the automatic feeding and discharging of plates can be realized, the gluing is uniform, and the gluing effect is good.
Owner:融安县华荣木业有限公司

Track movable stretchable chute

InactiveCN109296051ASimple and efficient operationPouring position is accurateSewer pipelinesTrackwayEngineering
The invention discloses a track movable stretchable chute. The chute comprises a track, a movable support and a stretchable chute. The track is installed along a to-be-poured pipe groove, the movablesupport is installed on the track through a walking wheel, the stretchable chute comprises a plurality of U-shaped grooves which are sleeved and stacked, wherein the sizes of the U-shaped grooves aresequentially decreased, the U-shaped grooves are sequentially sleeved and stacked through cooperation of a sliding groove and a sliding column, wherein the front end of the first U-shaped groove is hinged to the movable support, the rear end of the first U-shaped groove is supported to the movable support through a lifting device, the middle U-shaped grooves and the tail U-shaped grooves are sequentially formed inside the first U-shaped groove, the tail U-shaped grooves are aligned to the to-be-poured pipe groove when stretching out, and the inclined angle of the stretchable chute can be adjusted through a lifting device. The adopted materials are simple and are all commonly-used materials on a construction site, the construction device operation method is simple and easy to control, deepfoundation pit pipeline concrete pouring can be easily, conveniently, rapidly and accurately performed, and the working efficiency is improved.
Owner:CHINA FIRST METALLURGICAL GROUP

Self-adaption gripper type discharge device and discharge method

The invention relates to the technical field of ton bag discharge device structures, in particular to a self-adaption gripper type discharge device and a discharge method. The self-adaption gripper type discharge device comprises a rack, wherein the rack is provided with an overturning frame which is used for containing ton bags, and the overturning frame is of a frame structure which can be rotationally hinged to the rack and is provided with at least one opening. The self-adaption gripper type discharge device further comprises a fixing device which is used for fixing the ton bags, wherein the fixing device comprises a ton bag side wall fixing device and a ton bag bottom fixing device, the ton bag side fixing device comprises a plurality of pairs of opposite side suction cups which are arranged on the inner side of the overturning frame, and the ton bag bottom fixing device comprises a plurality of pairs of gripper devices which are arranged on the two sides of the bottom of the overturning frame and used for clamping the bottoms of the ton bags. The self-adaption gripper type discharge device is simple in structure, convenient to operate and capable of discharging materials in the ton bags completely and rapidly, the ton bags cannot be damaged, collection and recirculation of the ton bags are facilitated, the discharging difficulty is greatly lowered, and great popularization value is achieved.
Owner:HUBEI UNIV OF TECH

Variable cross section tunnel excavation construction method based on climbing pilot tunnel

The invention discloses a variable cross section tunnel excavation construction method based on a climbing pilot tunnel. The variable cross section tunnel excavation construction method comprises thefollowing steps that 1, a small pilot tunnel climbing a slope and topping; topping from a small section to the center line direction of a large section tunnel by adopting a pilot tunnel mode, and digging the pilot tunnel obliquely upwards in an equal section manner until the pilot tunnel and an arch crown of the large section tunnel are positioned at the same elevation; 2, expanding and excavatinga transition section; continuing excavating the top of the pilot tunnel forwards to form the transition section; 3, excavating a standard section; excavating forwards from the transition section witha uniform section to form a working section of mechanical equipment; 4, excavating a transition section back; digging a middle step surface downwards on the horizontal plane of the transition section; 5, excavating the climbing section of the small pilot tunnel; expanding and excavating from the small pilot tunnel to the small section; and 6, excavating forwards from the variable cross section, forming a lower step surface, forming three steps, and constructing according to a three-step method. The construction time and cost are greatly reduced in variable cross section construction, and themethod can be widely applied to the field of building construction.
Owner:CCCC SECOND HARBOR ENG +1

Fabricated super-high-rise steel-concrete combination residence

InactiveCN107882178AOvercome stiffnessOvercome the defect of poor ductilityStrutsWallsResidenceBuckling-restrained brace
The invention belongs to the technical field of buildings and particularly relates to a fabricated super-high-rise steel-concrete combination residence. The advantages that formworks are omitted, ductility is good and the rigidity is large of a steel-concrete combined structure are utilized, the defects that as for a fabricated concrete structure, the resistant-lateral rigidity is small and the ductility is poor, as for a fabricated steel structure, deformation is large, and as for an existing fabricated steel-concrete combination structure prefabricated member, the structure is complex and cast-in-place shear walls are adopted are overcome, and an innovated fabricated steel-concrete combination structure system is applied to the fabricated super-high-rise residence. The fabricated super-high-rise steel-concrete combination residence is composed of concrete-filled steel pipe combination columns, externally-wrapped steel-concrete combination beams, steel plate combination shear walls and energy-dissipation-type concrete-filled steel pipe combination buckling constraint supports to serve as the structure system of the super-high-rise residence, and thus the defects that as for the fabricated concrete structure, the resistant-lateral rigidity is small and the ductility is poor, and as for the fabricated steel structure, deformation is large are overcome.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL

Reverse rising type evaporative pattern casting system

The invention relates to a reverse rising type evaporative pattern casting system which can achieve multi-point inflow, large-area combustion, rapid casting and rapid solidification in the technical field of casting. The reverse rising type evaporative pattern casting system comprises a sprue, transverse runners and inner runners. The sprue, the transverse runners and the inner runners are made of evaporative pattern materials. The transverse runners include the first-stage transverse runner and the second-stage transverse runner which are sequentially connected with the bottom of the sprue. The first-stage transverse runner and the second-stage transverse runner are in transition connection through a flow blocking section with the narrowed section. The second-stage transverse runner is lower than the first-stage transverse runner. A plurality of bottom layer inner runners and reverse rising runners extending upwards are horizontally arranged on the second-stage transverse runner. The reverse rising runners are led out upwards from the top side of the second-stage transverse runner. The inner runners horizontally extending in the evaporative pattern direction are arranged at the positions, at different heights, on the reverse rising runners. The bottom layer inner runners and the inner runners face the evaporative pattern direction and are connected with an evaporative pattern.
Owner:KOCEL EQUIP

Construction method for basement raft foundation with tower crane foundation

The invention discloses a construction method for a basement raft foundation with a tower crane foundation. The construction method specifically comprises the following steps: excavating a tower cranefoundation pit, arranging double-layer reinforcing steel bars of the tower crane foundation, pre-embedding four groups of pre-embedded foundation bolts, separately sleeving four steel sleeves at theouter sides of each group of pre-embedded foundation bolts, welding the lower ends of the steel sleeves to upper-layer reinforcing steel bars of the tower crane foundation, and enabling the upper endsof the steel sleeves to be as high as top elevation of a to-be-constructed raft foundation; pouring concrete into the tower crane foundation pit, integrally pouring and forming the steel sleeves andconcrete in the tower crane foundation, mounting a tower crane, separately connecting and fixing four connecting ends of a tower crane foundation section to the pre-embedded foundation bolts in the corresponding four steel sleeves, and enabling the tower crane to normally work; normally arranging ribs for the raft foundation, pouring concrete, performing once construction to accomplish the raft foundation, and curing and forming the raft foundation. The raft foundation in the construction method can be once integrally constructed, so that construction efficiency is improved, and the problems such as reinforcing steel bar binding, waterproof treatment, secondary hole filling and the like of a reserved area of the tower crane foundation.
Owner:CHINA METALLURGICAL CONSTR ENG GRP

Dispersing and stirring apparatus for producing oil paint

The invention belongs to the field of production of oil paint, and particularly relates to a dispersing and stirring apparatus for producing oil paint. The invention aims at providing a dispersing andstirring apparatus, which can rapidly mix and stir the oil paint and can ensure the dispersing quality of the oil paint, for producing the oil paint. The dispersing and stirring apparatus for producing the oil paint comprises a first installation plate, annular slide rails, slide blocks, a stirring frame, an outer gear ring, a first gear, a stirring rod, first stirring blades, a third installation plate and a side plate; and the side plate is fixedly connected to one side part of the first installation plate, the annular slide rails are fixedly connected to the top of the first installation plate, the stirring frame is connected with the annular slide rails in a sliding manner by virtue of the slide blocks, and a discharging pipe is fixedly connected to one side part of the stirring frame. The dispersing and stirring apparatus for producing the oil paint has the beneficial effects that the oil paint production raw materials can be rapidly and uniformly stirred, the oil paint is not adhered to the inner wall of the stirring frame when being poured out, and the excessive surplus oil paint can be avoided.
Owner:毛学兰

Household whole-grain grinding device

The invention discloses a household whole-grain grinding device. The household whole-grain grinding device comprises a device main body, a feeding hopper, a material receiving box, a weighing plate, acrushing chamber, a grinding chamber and a rolling device. A cover plate is arranged above the feeding hopper so that dust can be prevented from falling into the household whole-grain grinding device, the sanitation inside the household whole-grain grinding device is ensured, meanwhile, the weighing plate can be used for weighing raw materials input from the feeding hopper, the weighing result isdisplayed on a display screen on an operation panel, the usage amount of various raw materials can be intuitively and accurately mastered, in addition, the crushing chamber, the grinding chamber andthe rolling device are arranged inside the device main body, the raw materials with the relatively large whole-gain particle sizes can be chopped, moreover, whole grains of various kinds of saccharides kind, oil kind and starch kind are uniformly mixed, and are fed into the grinding chamber and the rolling device for grinding work after being uniformly mixed, an electric heating wire is fixedly arranged on the inner wall of the crushing chamber so that the whole grains can be baked and cooked, then the processing time is saved, the grinding effect is good, the effects of being simple and convenient are achieved, and popularization and generalization are facilitated.
Owner:徐海连

Seawater corrosion-resistant reinforced concrete structure, construction structure and construction method

The invention discloses a seawater corrosion-resistant reinforced concrete structure, a seawater corrosion-resistant reinforced concrete construction structure and a seawater corrosion-resistant reinforced concrete construction method, and relates to the field of coastal reinforced concrete structures. The seawater corrosion-resistant reinforced concrete structure comprises an ordinary reinforcedconcrete layer, wherein a removal-free metal framework is arranged outside the peripheral side surface of the ordinary reinforced concrete layer; a ultrahigh-performance concrete layer is positioned on the outer side surface of the removal-free metal framework and at the bottom end and the top end of the ordinary concrete layer; the ordinary reinforced concrete layer bears the load on the structure, and the ultrahigh-performance concrete layer resists erosion of chlorine ions in seawater, so that the seawater corrosion resistance of the structure can be improved and the service life of the structure can be prolonged. The reinforced concrete construction structure is convenient for quickly pouring the reinforced concrete structure. By the reinforced concrete construction method, the spacingbetween the removable-free metal framework and a reinforcement cage is guaranteed by cushioning cushion blocks for fixing the position of the removal-free metal framework, and pouring of the reinforced concrete structure can be quickly achieved through layer-by-layer pouring, so that the construction period is shortened.
Owner:GUANGDONG NO 2 HYDROPOWER ENGINEERING COMPANY LTD

Meal conveying system used in dining hall

The invention relates to a meal conveying system used in a dining hall. The meal conveying system used for the dining hall comprises a plurality of windows providing the meal, a dinner plate conveyor belt device and a dinner plate placing cabinet. A meal conveyor belt device and an empty bowl conveyor belt device are arranged on the windows. A heat insulation device is arranged on the meal conveyor belt device. The meal is conveyed to a dining person by working staff inside the windows through the meal conveyor belt device. The conveying direction of the empty bowl conveyor belt device is opposite to the conveying direction of the meal conveyor belt device. The dining person takes out of a dinner plate on the dinner plate placing cabinet and the dinner plate is placed on the dinner plate conveyor belt device. The dining person takes down the meal from the meal conveyor belt device and pours the meal into his own dinner plate when the dinner plate is conveyed to the windows with the required meal. The empty bowl is placed on the empty bowl conveyor belt device of the windows. According to the meal conveying system used for the dining hall, the dining person can take the meal by lining up for one time. Time is saved and the temperature of the meal is guaranteed. The dining environment is integrated at the same time.
Owner:WUHU JUNTAI INTELLIGENT MACHINERY TECH

Process and device for pouring concrete under pressure by tunnel lining trolley

The invention provides a process and device for pouring concrete under pressure by a tunnel lining trolley. The device for pouring concrete under pressure by the tunnel lining trolley comprises a material distributing machine, a plurality of distributing pipes, material distributing joints and material discharging nozzles fixing devices. The distributing pipes are arranged on the lining trolley, and the distributing pipes comprise distributing pipe material feeding nozzles and distributing pipe material discharging nozzles, wherein the distributing pipe material feeding nozzles are arranged onthe rear side of the lining trolley and the distributing pipe material discharging nozzles are arranged inside the lining trolley close to working windows of the lining trolley; movable joints are arranged at the tail ends of the distributing pipes, so that material discharging nozzles can be switched and inserted into different working windows nearby; the material discharging nozzles fixing devices comprise fixing fixtures and discharge outlet fixtures; and the material distributing machine and the material distributing joints are connected together, and the material distributing joints canbe connected with the material discharging nozzles. The process and device for pouring concrete under pressure by the tunnel lining trolley has the characteristics of simple design, high degree of automation, intuitive and convenient operation and control, and has the advantages of improving working efficiency and saving working time, and thus herringbone slopes and cold seams can be effectively prevented.
Owner:齐洪军
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