Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

142results about How to "Reduce connection points" patented technology

Construction method of large-span subway station main body by using arched cover method and station main body structure

The invention discloses a construction method of a large-span subway station main body by using an arched cover method and a station main body structure. The construction method comprises the following steps: 1. making first-phase preparations; 2. excavating main body pilot tunnels at the left side and the right side, and carrying out primary support and top beam construction; 3. excavating a middle-part main body pilot tunnel, carrying out primary support and arch buckling construction, and refilling the earthwork; 4. carrying out earthwork excavation on a main body structure in the station, and prestressing force anchor cable construction; 5. carrying out secondary lining construction on the main body structure in the station; and 6. carrying out secondary lining and arch buckling construction on the station main body. The station main body structure comprises the main body structure in the station, a central post, a central plate and a main body arch part, wherein, the main body arch part comprises a middle arch fragment and two side arch fragments respectively arranged in the two side main body pilot tunnels formed by excavation in advance; and the main body arch part comprises a primary support system and a station main body arch buckling secondary lining structure from the outside to the inside. The station main body structure provided by the invention has reasonable design, simple construction steps, convenience in realization, small construction difficulty and rapid construction speed; the subway station formed by the construction method has a stable structure and a good use effect.
Owner:CHINA RAILWAY FIRST GRP CO LTD +1

Main structure for metro long-span station and pillar arching construction method thereof

The invention discloses a main structure for a metro long-span station and a pillar arching construction method thereof. The main structure comprises a station interior main structure, a plurality of middle pillars, a middle plate and a main arch part, wherein the station interior main structure is dug; the middle plate is located on the middle pillars; the main arch part is located right above the main structure; a bottom longitudinal beam is arranged at the bottom of the station interior main structure; a top longitudinal beam is arranged on the main arch part; and a middle longitudinal beam is arranged between adjacent middle pillars. The construction method comprises the following steps: 1) preparing in earlier stage; 2) digging a guiding hole and performing primary bracing and bridging construction; 3) constructing the bottom longitudinal beam, the middle pillars and the top longitudinal beam; 4) constructing a primary branch arch and refilling an arch back; 5) performing arch secondary lining construction; 6) digging the upper part of the main structure and constructing a primary branch of a side wall of the upper part; 7) performing secondary lining construction of the middle longitudinal beam, the middle plate and the side wall of the upper part; 8) digging the lower part of the main structure and constructing the primary branch of the side wall of the lower part; and 9) performing secondary lining construction for a base plate and the side wall of the lower part. The construction method provided by the invention has the advantages of reasonable design, simple construction step, convenience in realizing, small construction difficulty and high construction speed.
Owner:CHINA RAILWAY FIRST GRP CO LTD +1

Large tonnage forklift

The present invention provides a large-tonnage forklift truck, that is, the functions of the loader and the large-tonnage forklift are combined into one, and the boom of the original loader is shortened, thereby changing the fulcrum of the lifting cylinder on the boom, so that The active force arm on the swing arm becomes longer and the transmission force arm becomes shorter; and the rotating shaft set on the rocker arm is moved down to make the active force arm on the rocker arm longer and the transmission force arm shorter; lower the lifting cylinder in The connection point on the front frame makes the angle between it and the front frame smaller and has stronger thrust; and the diameter of the lifting cylinder is increased to increase the oil pressure of the lifting cylinder to increase the weight of the fork. The present invention combines the operating functions of large-tonnage forklifts and loaders, through the comprehensive integration of machinery, electrical appliances, and hydraulic pressure, and at the same time has the advantages of flexibility and off-road performance of loaders, and the advantages of large loading capacity of large-tonnage forklifts, and reduces fuel consumption. Relatively small, it can load and unload 25 tons of stone blocks, and can lift the goods to a height of more than 3200mm.
Owner:XIAMEN XIAJIN MACHINERY

Assembly supporting floating body crossed splicing type water surface photovoltaic power generation system

The invention relates to an assembly supporting floating body crossed splicing type water surface photovoltaic power generation system. The photovoltaic power generation system comprises an assembly supporting floating body device and a device floating body device. The assembly supporting floating body device comprises a plurality of rows of assembly supporting floating bodies crossed and splicedtogether; the corresponding assembly supporting floating bodies between the two adjacent rows of assembly supporting floating bodies are spliced together alternately to form a firm net-shaped structure, the problem that collision damage is likely to be caused by non-transverse constraint between the multiple rows of assemblies in the prior art is solved, and the integrated stability is better; according to the connecting mode between the assembly supporting floating bodies, compared with the connecting mode of existing assemblies, the number of connecting points is few, the stability is better, and installing is more convenient. Important functions of a water surface photovoltaic station photovoltaic assembly, electrical equipment, a cable laying and anchoring system and a maintenance channel can be achieved, the consumption of floating bodies is lowered while the functionality is enhanced, the photovoltaic station manufacturing cost is saved, and the technical assurance is supplied topushing water surface photovoltaic market to achieve network surfing with fair price as soon as possible.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES

High frequency macro-energy hydraulic pile hammer

The invention discloses a high frequency macro-energy hydraulic pile hammer which comprises a hydraulic pump and a hammer core, wherein the hydraulic core comprises an inner cylinder sleeve and an outer cylinder sleeve mounted in a spaced manner in a sleeving manner, and an oil inlet channel is formed between the inner cylinder sleeve and the outer cylinder sleeve; a piston rod fixedly connected to a piston penetrates through a cylinder cover and a static supporting sleeve axially to be supported on the static supporting sleeve, a cylinder oil inlet and a cylinder oil outlet are formed in thecylinder bottom, the cylinder oil inlet is communicated to the oil inlet channel between the inner cylinder sleeve and the outer cylinder sleeve; the oil inlet channel is communicated to a rod cavityof the hydraulic cylinder through the oil inlet hole in the inner cylinder sleeve, and a cylinder oil return hole is communicated to a rodless cavity of the hydraulic cylinder; the oil outlet of the hydraulic pump communicates to the cylinder oil inlet and a pressure oil hole of a second inserting valve in parallel, and an oil hole B of the first inserting valve is connected to the cylinder oil outlet; and a control valve as a pilot valve forms a direction control loop with the second inserting valve. The hydraulic pile hammer is simple and reasonable in structure and small in influence on ambient environment, can drive a pile at a high frequency with micro-energy, so that the hydraulic pile hammer is particularly suitable for large foundation pile construction.
Owner:JIANGSU JUWEI MACHINERY

One-tank multi-stage horizontal separator

The present invention discloses a one-tank multi-stage horizontal separator, which comprises a tank, tank bottom feet, fractionation dropping vertical pipes, a drop aggregation pipe and the like. According to the present invention, principles of gravity sedimentation separation, centrifugation separation, collision separation and multiple separation are adopted to increase hydrogen and oxygen purity; a hydrogen and oxygen mixture produced through water electrolysis enters the separator from an inlet, is sprayed on a separation plate to be spread, and a varnish and oxygen dissolved in the liquid are separated due to a diffusion effect; the liquid falls down through self-gravity, and passes through the gap on the lower portion of the separation plate, and the flow direction of the gas carrying small droplets is changed a plurality of times in the separator, such that the small droplets are condensed and fall down; and the liquid on the lower portion of the separator is discharged out of the separator through a liquid discharge valve, the carried trace droplets are condensed and removed again when the separated gas passes through separation umbrella cut holes so as to obtain purified gas, wherein the purified gas is discharged from a gas outlet. The one-tank multi-stage horizontal separator has characteristics of large gas production, excellent separation effect, high gas purity, small occupation space, economy, applicability and the like.
Owner:HARBIN ERQING TECH

Pipeline connection structure and hydraulic pipeline

The invention discloses a pipeline connection structure, which comprises a steel pipe (1), a connecting nut (2) clamped on the steel pipe (1), a rubber tube, a wrap (4), a joint core (3) and a matching sleeve (6). According to the pipeline connection structure provided by the invention, the matching sleeve which can be selected along with the diameter of a steel pipe is additionally arranged in the joint core, so that the joint core can be directly connected with steel pipes of different diameters, the traditional structure characterized in that connection can only be realized by a transition joint is changed, the amount of parts is reduced, connection points in the integral pipeline are reduced, and leakage accidents are reduced. Different types of matching sleeves are used for sheathing the steel pipes of the corresponding types, the types of the steel pipe which can be subjected to butt joint with the joint core are expanded, the types of connecting accessories between the steel pipe and the joint core are reduced, unnecessary resource waste caused by excessive accessories is avoided, complex work of selecting the accessories due to assembling is omitted, and the assembling time is saved. The invention also discloses a hydraulic pipeline applying the pipeline connection structure.
Owner:ZOOMLION HEAVY IND CO LTD

Safety air bag shell

The invention relates to the technical field of safety air bags, in particular to a safety air bag shell which comprises a shell body, a front bracket, a rear bracket and a lower bracket. The safety air bag shell is characterized in that the lower bracket comprises a lower bracket plane, a lower bracket folded surface and a lower bracket flanged edge, wherein the lower bracket folded surface and the lower bracket flanged edge are bent downwards along one end of the lower bracket plane; the lower bracket plane is fixed under the shell body, at least one flanged edge is arranged on the lower bracket folded surface and forms a support together with an upper plane and a downwards-bent folded edge, the bottom of the folded edge is connected with the lower bracket folded surface, and a gap is arranged between the flanged edge and the shell body. Compared with the prior art, the invention has the advantages of simple processing, low cost, high efficiency and high accuracy, effectively reduces the dependence on the machining process, contributes to the reduction of cost, decreases connecting points of the brackets and the shell body, saves the procedures and the development of a riveting mould, and also saves the connecting time. The energy-absorbing degree of the safety air bag shell can be regulated through the distance change between the flanged edge and the shell.
Owner:SHANGHAI LINGANG JOYSON SAFETY SYST CO LTD +1

Electric heating floor and heat supply system thereof

The invention discloses an electric heating floor and a heat supply system thereof. An electroconductive heating layer of the electric heating floor is smaller than an upper substrate layer and a lower substrate layer; the lower substrate layer is provided with a groove, and the size of the groove is equal to the size of the electroconductive heating layer; the surface of the lower substrate, which is provided with the groove, is coated with resin adhesive so as to ensure that the electroconductive heating layer is arranged in the groove of the lower substrate layer; the edge of the lower substrate layer is provided with a blank substrate, and the surface of the blank substrate and the surface of the electroconductive heating layer are on the same plane; and the lower surface of the upper substrate layer is coated with resin adhesive and bonded with the lower substrate layer provided with the electroconductive heating layer so as to press the electroconductive heating layer into the substrate layers into a whole. According to the electric heating floor, the voltage in the heating floor stepped by the human body can be effectively guaranteed to be close to or even lower than the safety voltage of the human body, so that the life and property safety can be furthest guaranteed, and the electric heating floor can be widely applied to building construction and house decoration.
Owner:唐建良 +2

Thin film type semi-rigid solar cell array and manufacturing method thereof

The invention discloses a thin film type semi-rigid solar cell array and a manufacturing method of the thin film type semi-rigid solar cell array. The cell array comprises a substrate, solar cell components, connecting sheets, cables in the substrate and a frame, the substrate is made of light thin film materials or thin plate materials, the solar cell components are arranged on the front face of the substrate, the connecting sheets are metal sheets laid on the front face of the substrate, one end of each cable in the substrate is wound around the edge of the substrate to be connected with the corresponding connecting sheet, the frame is made of light rigid materials, and the substrate is fixed to the frame. Due to the fact that the substrate of the semi-rigid solar cell array is made of the light thin film materials or thin plate materials, the connecting sheets and the cables in the substrate are all metal sheets laid on the substrate, and the frame is made of the light rigid materials, the thin film type semi-rigid solar cell array has the advantages of being light, small in thickness and high in strength. In addition, the solar cell components, the cables in the substrate and the connecting sheets can be automatically laid, and therefore production efficiency is high, and manufacturing is easy.
Owner:SHANGHAI INST OF SPACE POWER SOURCES

Combined electrical apparatus of indoor high-pressure vacuum circuit breaker and isolation/ground switch

ActiveCN102509678AMeet the remote control requirementsInnovative designEmergency protective devicesEngineeringHigh pressure
The invention relates a high-voltage electrical apparatus, and particularly relates to a combined electrical apparatus of an indoor high-pressure vacuum circuit breaker and an isolation/ground switch, and the combined electrical apparatus is of an integral structure. A circuit breaker is an epoxy sealing type vacuum circuit breaker, is in side-mounted arrangement and is fixedly mounted; a three-position isolation/ground switch is of a rotary structure, a switch blade base of a moving switch blade is directly fixed on a connecting terminal on the vacuum circuit breaker, the moving switch blade is driven to rotate by an operating mechanism through an insulation skeleton, thereby finishing isolation, switch-on and grounding three-position operation; multiple pairs of contact plates of a moving contact of the three-position isolation/ground switch are of a duckbill and spherical contact structure, the moving switch blade can properly swing, and the electrical conduction reliability of a branch bus and an earthing static contact is guaranteed; and the operating mechanism is electrically operated and also can be manually operated. The combined electrical apparatus provided by the invention has the advantages of modern design, compact structure, small volume, short conducting loop, less connection point, low manufacturing cost, high operational reliability and the like.
Owner:BEIJING QINGCHANG POWER TECH CO LTD

Construction process for casting large-tonnage box beam in site by support pier method

The invention relates to a construction process for a cast-in-site beam, in particular to the construction process for casting a large-tonnage box beam under a condition that the height of a pier is less than 10m. The construction process is characterized in that: a support pier system formed by a reinforced concrete prefabricated hollow support pier, a steel lattice structured column, a connecting rod and the like bears the load; a height adjusting system formed by an I-shaped steel beam, a longitudinal trussed beam, an adjusting wedge, square stock wood pads arranged as required, a beam falling sand box and the like adjusts an elevation of a bottom mould, sets a camber and transfers the load; and a mould plate system ensures the casting and forming of the concrete, so that the construction process for quickly and safely casting the box beam well in site is formed. The construction process has simple structure and less connecting points, and the deformation of the support pier is easily controlled; the cross section area is big, which facilitates the foundation treatment; the operability is strong, the beam preparation period is short, and the beam is big in rigidity and reliable in stability; and the resources are saved, the cost is lowered, and the construction process is widely applied.
Owner:CHINA RAILWAY 16TH BUREAU GRP CO LTD +1

Die cutting method for keeping finished product edge of packaging paper box being flush with paper gripper edge

The invention discloses a die cutting method for keeping the finished product edge of a packaging paper box being flush with a paper gripper edge. The die cutting method comprises the steps that 1, the position, printed on paper, of an image is adjusted so that the finished product edge on the paper can be flush with the gripper edge; 2, a steel knife is not placed at the finished product edge, and a die cutting plate is produced with the distance difference formed between the inner edge, in the front-back direction, of a die cutting plate mounting frame and the front edge of a bottom plate asthe distance between the edge of a finished product and the plate edge; 3, the mounting position, in the left-right direction and on a die cutting machine, of the die cutting plate is adjusted, so that gripper teeth do not touch the steel knife and a steel wire of a transverse cutting plate; and 4, transverse cutting is started, and a front lay and side lays of the die cutting machine are adjusted according to the finished product requirement. By means of the die cutting method, the problem that paper edges are wasted is solved, and the work amount for clearing away the waste paper edges is reduced; in addition, the problem that the paper obtained after die cutting is likely to be broken in the delivery process to affect production efficiency is avoided; connecting points can be reduced;and the attractive appearance and waste removal can be achieved conveniently.
Owner:杭州淘艺数据技术有限公司

Improved refrigerator hinge

The invention provides an improved refrigerator hinge. The improved refrigerator hinge comprises a fixing seat, a hinge seat and a hinge assembly arranged between the fixing seat and the hinge seat. The hinge assembly comprises a first transmission arm, a second transmission arm, a rear transmission arm and a lower transmission arm. One end of the first transmission arm is hinged to the fixing seat, and the other end of the first transmission arm is hinged to a buffering head. One end of the rear transmission arm is connected with the buffering head, and the other end of the rear transmission arm is hinged to the hinge seat. One end of the second transmission arm is hinged to the fixing seat, and the other end of the second transmission arm is hinged to the rear transmission arm. One end of the lower transmission arm is hinged to the second transmission arm, and the other end of the lower transmission arm is hinged to the hinge seat. The first transmission arm is provided with an elastic buffering device. The buffering head acts on the buffering end of the elastic buffering device for linear buffering. One or more assembling plates are integrally formed on the fixing seat. In the hinge starting state, the second transmission arm stretches across the fixing seat and the hinge seat. The improved refrigerator hinge is stable and reliable in performance, stable and reliable in structure and capable of effectively preventing water, dirt and the like from being accumulated.
Owner:JIANGSU SACA PRECISION TECH CO LTD

Vehicle balance suspension assembly structure

ActiveCN109955668AIncrease the relative turning heightHigh refit adaptabilityLeaf springsResilient suspensionsVehicle frameStress conditions
The invention discloses a vehicle balance suspension assembly structure. A vehicle frame is used as a carrying body of a suspension system; the two ends of a steel plate spring are fixed on the upperend of a vehicle axle through a bridge passing end assembly; a balance shaft up-mounted structure is used; the steel plate spring is arranged at the lower end of a balance shaft case; under the condition that the height distance between the vehicle axle and the vehicle frame, the dimension and the weight of the balance shaft support seat can reach the optimum state; the whole equipment weight is reduced; meanwhile, during the load bearing, the weight is transmitted to the balancing shaft case by the vehicle frame, and is then transmitted to the steel plate spring and the vehicle axle; the fixed connection stress condition between the balance shaft case and the steel plate spring is reduced; the influence by the load bearing weight is avoided; the reliability is greatly improved; the service life is prolonged. The device uses the shaft end assembly of the balance shaft to rotationally connect the steel plate spring and the vehicle frame; the self adaptation capability of the conventional balance suspension to the uneven pavement is realized; the relative rotation height between the two vehicle axles is increased; the vehicle balance suspension assembly structure can adapt to complicated off-roads; the structure is simple; the weight is light; the universalization degree is high.
Owner:SHAANXI HEAVY DUTY AUTOMOBILE

Electromagnetic pressure protection water discharge valve

The invention discloses an electromagnetic pressure protection water discharge valve. The valve is connected between a water discharge inlet and a water discharge outlet, and comprises a valve body and a valve, wherein a water discharge passage is formed in the valve body; the valve is movably arranged in the water discharge passage; the valve body is provided with an electromagnetic valve; and the valve is arranged on the electromagnetic valve and is opened and closed through the action of an armature of the electromagnetic valve. Due to the adoption of the electromagnetic valve, the water discharge valve is opened and closed through the action of the electromagnetic valve, so that water is not required to be discharged by squeezing by using the gravity of the water to prevent the phenomenon of water logging due to incapable discharge of a small amount of water when the water is available, and the valve is not required to be sealed through air pressure to overcome the defect of difficulty in sealing of the valve in the presence of insufficient air pressure when the water is not available, and the valve is not influenced by vibration produced during running of a train to prevent water leakage and air leakage phenomena caused by the vibration; and the valve fills the blank in the technology of the pressure protection water discharge valve of a domestic high speed train of China and has great practical value for the domestication of the China high-speed multiple units.
Owner:深圳市垅运照明电器有限公司

Low-temperature heat-not-burn electronic cigarette heating element and constant-temperature control device

PendingCN109793282ACombined volume reductionCompact structureTobacco devicesTemperature controlLithium
The invention discloses a low-temperature heat-not-burn electronic cigarette heating element and a constant-temperature control device. The device comprises the electronic cigarette heating element, abistable switch circuit, a heating constant-temperature circuit and a switching circuit. A heating wire of the electronic cigarette heating element can serve as a thermocouple, the bistable switch circuit, the heating constant-temperature circuit and the switching circuit are mounted on a circuit board in the electronic cigarette body, and a positive electrode of a lithium storage battery in theelectronic cigarette body is connected with the bistable switch circuit, the switching circuit and the heating constant-temperature circuit through wires. A positive electrode of the heating wire of the heating element is made of nickel-chromium alloy while a negative electrode is made of nickel-silicon alloy or any other materials which can be used as the thermocouple. By integration of the heating wire and the thermocouple, small size, compact structure and low cost are realized; due to reduction of connection points on a heating wire base plate, probability of faults is reduced correspondingly. In operation of the heating wire of the heating element, the heating wire can serve as the thermocouple to output signals to the heating constant-temperature circuit at pulse intervals, and the heating constant-temperature circuit controls the heating element to operate at a constant temperature.
Owner:SHENZHEN BODI HENGYE SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products