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46results about How to "Reduce equipment weight" patented technology

Electromagnetic piling device and electromagnetic piling method

The invention discloses an electromagnetic piling device and an electromagnetic piling method. The electromagnetic piling device comprises a base, a ground coil assembly, a pile, a pile clamping mechanism and a pile coil assembly. The electromagnetic piling device and the electromagnetic piling method have the advantages that impact force / static pressures which are generated during traditional piling can be completely replaced by electromagnetic repulsive / attractive force generated between the coil assemblies; different current waveforms are designed, accordingly, the electromagnetic piling force can be flexibly controlled, and the optimal piling effects can be realized; the current waveforms can be selected, so that the single piling speed can be increased, the piling efficiency can be enhanced, and the electromagnetic piling device is little in vibration and influence on surrounding soil masses; the electromagnetic piling device and the electromagnetic piling method are provided on the basis; the electromagnetic piling device is free of pollution, low in noise, convenient to mount, easy to construct, high in adaptability, expansibility and safety coefficient, is free of influence of soil properties and pile types and is particularly applicable to municipal construction and night construction requirements, in particular to pile foundation engineering in crowded building places, high-rise buildings and buildings with narrow spaces.
Owner:HUAZHONG UNIV OF SCI & TECH

Low-cost mineral processing technology for high-silicon high-calcium magnesite

The invention relates to a low-cost mineral processing technology for high-silicon high-calcium magnesite. The low-cost mineral processing technology comprises the steps of raw material crushing operation, grinding operation and flotation operation. The low-cost mineral processing technology is characterized by comprising the following specific technological steps that raw magnesite is crushed through a medium crusher, grinding operation is conducted through a closed circuit grinding assembly composed of a primary grate ball mill, a secondary grate ball mill and a spiral grading machine, an overflow product with the particle size of 70-80% of the overflow product being -0.076 mm is obtained and subjected to flotation operation adopting primary reverse flotation and primary obverse floatation, the magnesite comprising 46.50-47.00% of magnesium oxide, 0.80-1.50% of silicon dioxide and 0.90-2.00% of calcium oxide is obtained, wherein the concentrate yield is 82.00-90.00%, and the recovery rate is 81.45-85.00%. The low-cost mineral processing technology has the advantages that flotation operation adopting only primary reverse flotation and primary obverse floatation, thus, the grade of the silicon dioxide in the high-silicon high-calcium magnesite can be lowered to 0.5-1.5% from 2%, the content of silicon is lowered by 50% or above, the grade of the calcium oxide is lowered to 1-2% from 3%, and the content of calcium is lowered by 50% or so.
Owner:中冶北方(大连)工程技术有限公司

Rotary carbon electrode extruder and extruding method thereof

The invention discloses a rotary carbon electrode extruder and an extruding method thereof. The extruder comprises a main working cylinder, supporting seats, a material chamber, a clamp, a mouth, a rotating mechanism, a baffle mechanism, rotating joints and a vacuum system, wherein the material chamber is fallen up on one supporting seat through trunnions, the two rotating joints are respectively connected with the two trunnions of the material chamber, and the vacuum system is connected at one end of the main working cylinder; the baffle mechanism is connected with the trunnions at the two sides of the material chamber through four pull rods, one end of a plunger of a rotating mechanism cylinder is connected with a plug on the outer wall of the material chamber and is provided with a function of rotating the whole extruder at 0-90 degrees. According to the extruder, the whole extruder is fallen up on the two support seats, the whole extruder is dragged to rotate around the material chamber at 90 degrees by the rotating mechanism, so that the equipment weight can be reduced and the manufacture cost can be greatly reduced. The piston of the main working cylinder is large in diameter, the working pressure is high, and the precompression is large and can maximally reach up to 40MN, so that the extruder is beneficial for the promotion of product quality.
Owner:DALIAN DESIGN INST CO LTD CHINA FIRST HEAVY IND +1

Efficient filling mining method for extra-thick coal seam

The invention discloses an efficient filling mining method for an extra-thick coal seam. The method comprises the following steps that mining and filling key technical parameters are determined; a roadway and a mining and filling production system are arranged; a mining and filling connection sequence is determined, milling type coal mining is carried out, a long "ship"-shaped deep groove goaf isconstructed, the goaf is filled, and the goaf is filled close to back; and safe and efficient mining of the extra-thick coal seam, low-cost and efficient filling of coal gangue and the like and effective protection of the ecological environment are achieved. The method can improve the coal mining capacity, reduce the coal mining cost, simplify the mining and filling connection relation, improve the filling capacity, guarantee the mining and filling safety, optimize the filling space structure, achieve full-volume filling of the goaf, simplify the filling process system, reduce the filling cost, expand the filling mining application range, liberate stagnant coal resources, improve the mine recovery rate, efficiently fill the ground and the underground coal gangue at low cost, solve the ecological environmental protection problem, and achieve coal resource development and utilization optimization and ecological environment influence minimization on the whole.
Owner:TAIYUAN UNIV OF TECH

Device with temperature and humidity control capability and adaptive control method thereof

The invention relates to a device with temperature and humidity control capability and an adaptive control method thereof. The device comprises a fan, a gas-liquid heat exchanger, a semiconductor refrigeration chip, a condenser, a temperature and humidity sensor, a control device and an external liquid supply system. The device can control the start and stop or the rotational speed of the fan according to the air temperature feedback inside the space, can automatically adjust the air side air flow during the heat exchange process and controls the air outlet temperature, thereby controlling thetemperature in the space; according to the humidity feedback in the space, the start and stop of the semiconductor refrigeration chip is controlled to control the humidity in the space at a constantlevel; and in particular, the device combines the gas-liquid heat exchanger and a semiconductor dehumidifier, and the semiconductor dehumidifier adopts a liquid cooling and heat dissipation mode to avoid the defects that the use and the refrigeration of the fan of a traditional dehumidifier are greatly influenced by the ambient temperature; and moreover, the overall condensation caused by the traditional low-temperature water-liquid-liquid heat exchanger is avoided, and the reliability of the device and the environmental adaptability in the conditions without low-temperature water and with thelimited space are greatly improved.
Owner:THE 724TH RES INST OF CHINA SHIPBUILDING IND

Automatic mold gripping method and device for intelligent robot for building component

PendingCN109823967ASmall inertiaReduce structural load-bearing requirementsTravelling cranesTravelling gearProduction lineAutomatic control
The invention relates to the field of building, in particular to an automatic mold gripping method and device for an intelligent robot for a building component. The robot comprises a walking module, an ascending-and-descending module, a gripping module and a control module. The mold gripping method comprises the following steps that 1, the control module transmits a command to the walking module,and the walking module moves to a preset first position in the vertical direction and then stops; and 2, the control module transmits a command to the ascending-and-descending module, the ascending-and-descending module drives the gripping module to descend from an initial first height to a second height position where the building component is located, and after the gripping module is in the right place, the ascending-and-descending module stops. The automatic mold gripping device is reasonable in structural design; the device is different from a traditional bridge crane in that the device isarranged above a building component production line; compared with the bridge crane, the mounting height and the equipment self weight are greatly lowered; manual driving operation is not needed; a mold on the production line can be automatically gripped; and intelligent automated control over the gripping action, on the production line, of the building component is achieved.
Owner:NANJING JULI INTELLIGENT MFG TECH INST CO LTD +1

Box sealing machine

The invention relates to a box sealing machine. The box sealing machine comprises a machine base, a machine head arranged on the machine base, a cover folding mechanism, an upper machine core and a conveying rail arranged on the machine base, wherein the cover folding mechanism and the upper machine core are arranged on the machine head, and the machine head can move up and down relative to the machine base so as to adjust the distance between the cover folding mechanism and the conveying rail as well as the distance between the upper machine core and the conveying rail. The box sealing machine further comprises a first air cylinder and a cut-off mechanism, wherein the first air cylinder is installed above the machine head, and a piston rod of the first air cylinder is fixedly connected with the machine head; the cut-off mechanism comprises a rotary shaft rotationally arranged on the machine base, a ratchet wheel, a belt wheel, two belts and a pawl, the ratchet wheel and the belt wheel are fixedly installed on the rotary shaft, the two belts are wound on the belt wheel in the opposite directions, the pawl is rotationally arranged on the machine base, a plurality of notches are formed in the edge of the ratchet wheel and arranged in the circumferential direction of the ratchet wheel, one end of a chain is connected with the machine base through a coiled spring, and the other end of the chain is fixedly connected with the machine head. The box sealing machine is low in cost and safe to use.
Owner:SU ZHOU XUENUO MECHANICAL PROD

Portable sample storage equipment and storage method

The invention discloses portable sample storage equipment and a storage method. The equipment comprises a transportation device, a storage equipment body and a transmitting and docking device, wherein the transportation device is used for bearing a transfer box in which samples are stored, the storage equipment body is used for storing samples, and the transmitting and docking device is used for transmitting the transfer box which is carried by the transportation device and stores the samples and docking the transfer box with the storage equipment body, so that the storage equipment body can store the samples conveniently. The equipment is specially provided with the transmitting and docking device which can achieve rapid butt joint of the transfer box and the storage equipment, and the storage efficiency is improved; a mechanical arm is adopted in the storage equipment body to achieve multi-directional operation, a three-axis coordinate mechanism is replaced, the equipment cost is reduced, and the equipment weight is reduced; and through cooperation between the transfer box, the transportation device and a lifting mechanism in the transmitting and docking device, a many-to-many storage function can be quickly realized, the sample storage efficiency is improved, and the storage management efficiency of a sample library is improved.
Owner:SHANGHAI ORIGINCELL BIOLOGICAL CRYO EQUIP CO LTD

Compound corrugated tube heat exchanger

The invention discloses a compound corrugated tube heat exchanger. A plurality of left flow guide barrels and right flow guide barrels which are arranged in pairs are arranged at the two ends of a shell-pass barrel body, and the outer end of each left flow guide barrel is connected with a left tube plate and a left tube box; and the outer end of each right flow guide barrel is connected with a right tube plate and a sealing head, a corrugated heat exchange tube is arranged between each left tube plate and the corresponding right tube plate, a pass partition plate is arranged in each left tubebox and divides the left tube box into a tube-pass flow inlet cavity and a tube-pass flow outlet cavity to form an independent tube-pass part, each independent tube-pass part can be applied to a heatmedium fluid, and a plurality of the independent tube-pass parts share one shell-pass part, so that the heat exchanger disclosed by the invention is capable of recycling the waste heat of a pluralityof fluid mediums simultaneously. The equipment is low in manufacturing expense; connection pipelines among tube passes are omitted, so that low installation expense is achieved; after connection pipelines among the heat exchangers are omitted, pipeline resistance is correspondingly reduced, and conveying power consumption is reduced; and the volume of the equipment is further effectively reduced,and the equipment is simple in structure, low in cost and small in floor area.
Owner:济南市水处理设备厂有限公司

Outer circle clamper

The invention discloses an outer circle clamper. The outer circle clamper comprises a fixed plate, a rotating plate, supporting arms, pushing blocks and pressing blocks. The rotating plate is rotationally arranged below the fixed plate. The number of the supporting arms is at least one pair. Each pair of supporting arms are symmetrically arranged at the two ends of the radial direction of the rotating plate and extend to the outside of the rotating plate. The pushing blocks, the pressing blocks and the supporting arms are the same in number. The pushing blocks are fixed above the supporting arms. The pressing blocks are located inside the radial direction of the fixed plate relative to sliding blocks and can slide in the radial direction of the fixed plate. When the rotating plate rotates, the pushing blocks can extrude the pressing blocks to move towards the interior of the fixed plate and abut against the outer circle of a machined part on the fixed plate in a pressing mode. According to the outer circle clamper, the machined part is clamped through the pushing blocks on the supporting arms and the pressing blocks on the fixed plate; compared with a three-jaw or four-jaw chuck, the outer circle clamper is simple in structure and light in equipment weight; and especially for large-size machined parts, the outer circle clamper is high in positioning precision.
Owner:浙江宇钻精密元件有限公司

All-terrain telescopic fence

The invention belongs to the technical field of protective fences, and particularly relates to an all-terrain telescopic fence. The all-terrain telescopic fence comprises fence rods, main rods, sliding cylinders, grounding rods, top end magnetic locks, wherein the fence rods are crossed with one another and matched in a rotating mode; the sliding cylinders are in nest match with the main rods at the head ends and the tail ends of the main rods, and the fence rods are in rotating match with the sliding cylinders; the fence can fold and stretch, the interiors of the main rods are hollow, and thegrounding rods are arranged inside the main rods; grounding nails and pedals are arranged at the bottom ends of the grounding rods, the ground nails can be inserted into the ground by treading the pedals, so that the grounding rods are fixed; and the top end magnetic locks plays a role in locking the grounding rods, and the grounding rods are stored in the main rods through magnetic blocks insidethe top end magnetic locks. The fence is safe and firm, the problems of instability and easy toppling of a movable fence are effectively solved, the fence is convenient to install and fully fixed, and is suitable for various terrains; the fence is fully contacts with the ground and is suitable for uneven terrains, and gaps are reserved at the bottom of the fence to enable people or other animalsto duck through the fence; and the fence is safe, reliable, good in stability and high in adaptability.
Owner:朱家旺

Electromagnetic piling device and piling method

The invention discloses an electromagnetic piling device and an electromagnetic piling method. The electromagnetic piling device comprises a base, a ground coil assembly, a pile, a pile clamping mechanism and a pile coil assembly. The electromagnetic piling device and the electromagnetic piling method have the advantages that impact force / static pressures which are generated during traditional piling can be completely replaced by electromagnetic repulsive / attractive force generated between the coil assemblies; different current waveforms are designed, accordingly, the electromagnetic piling force can be flexibly controlled, and the optimal piling effects can be realized; the current waveforms can be selected, so that the single piling speed can be increased, the piling efficiency can be enhanced, and the electromagnetic piling device is little in vibration and influence on surrounding soil masses; the electromagnetic piling device and the electromagnetic piling method are provided on the basis; the electromagnetic piling device is free of pollution, low in noise, convenient to mount, easy to construct, high in adaptability, expansibility and safety coefficient, is free of influence of soil properties and pile types and is particularly applicable to municipal construction and night construction requirements, in particular to pile foundation engineering in crowded building places, high-rise buildings and buildings with narrow spaces.
Owner:HUAZHONG UNIV OF SCI & TECH

Pneumatic target resetting and falling control system

The invention discloses a pneumatic target resetting and falling control system which comprises a high-pressure air storage tank, a stop valve, a low-pressure air storage tank, a solenoid directional control valve, an actuating air cylinder, a spring buffer device and a target resetting and falling control mechanism, wherein the high-pressure air storage tank fills the low-pressure air storage tank with air through the stop valve, and the stop valve is closed when the low-pressure air storage tank reaches a working pressure value; the low-pressure air storage tank is connected with the actuating air cylinder through the solenoid directional control valve; the low-pressure air storage tank provides power when the target resetting and falling control mechanism resets a target, plays a buffering role when the target resetting and falling control mechanism brings the target down, and recycles and stores energy produced when the target resetting and falling control mechanism brings the target down for next target resetting; a push rod end of the actuating air cylinder is connected with one end of the target resetting and falling control mechanism; the spring buffer device is arranged at the other end of the target resetting and falling control mechanism; and the spring buffer device plays a buffering role when the target resetting and falling control mechanism resets the target, provides power when the target resetting and falling control mechanism brings the target down, and stores elastic potential energy into a hydraulic energy storage device. Compared with a conventional target resetting and falling control device, the pneumatic target resetting and falling control system is simple in design, smaller in size and lighter in weight, fully utilizes energy and saves more energy.
Owner:杭州富凌科技有限公司

Pneumatic lifting and falling target system

The invention discloses a pneumatic target resetting and falling control system which comprises a high-pressure air storage tank, a stop valve, a low-pressure air storage tank, a solenoid directional control valve, an actuating air cylinder, a spring buffer device and a target resetting and falling control mechanism, wherein the high-pressure air storage tank fills the low-pressure air storage tank with air through the stop valve, and the stop valve is closed when the low-pressure air storage tank reaches a working pressure value; the low-pressure air storage tank is connected with the actuating air cylinder through the solenoid directional control valve; the low-pressure air storage tank provides power when the target resetting and falling control mechanism resets a target, plays a buffering role when the target resetting and falling control mechanism brings the target down, and recycles and stores energy produced when the target resetting and falling control mechanism brings the target down for next target resetting; a push rod end of the actuating air cylinder is connected with one end of the target resetting and falling control mechanism; the spring buffer device is arranged at the other end of the target resetting and falling control mechanism; and the spring buffer device plays a buffering role when the target resetting and falling control mechanism resets the target, provides power when the target resetting and falling control mechanism brings the target down, and stores elastic potential energy into a hydraulic energy storage device. Compared with a conventional target resetting and falling control device, the pneumatic target resetting and falling control system is simple in design, smaller in size and lighter in weight, fully utilizes energy and saves more energy.
Owner:杭州富凌科技有限公司

Internal one-way valve

The invention provides an internal one-way valve. The internal one-way valve comprises a valve body, a valve element and a clamp spring. An inlet channel, a neck channel, a throat channel and an outlet channel which are sequentially connected are arranged in the valve body. The inner wall, corresponding to the throat channel, of the valve body is an oblique conical face. The inlet channel, the neck channel, the throat channel and the outlet channel are concentric. The valve element comprises a valve element head, a valve element tail and a middle connection section. An annular internal seal groove is formed in the middle connection section. An annular clamp spring clamping groove is formed in the inner wall of the tail end of the outlet channel. The clamp spring is arranged in the clamp spring clamping groove. An inlet fluid pressure-bearing face is arranged on the valve element head, and an outlet fluid pressure-bearing face is arranged on the valve element tail. The internal one-wayvalve can be independently mounted and can also be mounted in a connecting piece body, so that the equipment space is saved, and the equipment weight is reduced; and the internal one-way valve can reciprocate and slightly deflect in the flowing direction of fluid in the channels and can also rotate, so that the resistance of the fluid is greatly reduced; and the noise is low, and the structural strength is high.
Owner:上海银轮热交换系统有限公司

Transmission, double linkage and anti-sway anti-fall device, crane system and wafer handling method

The invention provides a transmission, double linkage and anti-swaying and anti-falling device, a crane system and a wafer handling method, which are applied in the field of automatic control technology, and more precisely relate to semiconductor manufacturing technology, wherein the transmission device includes a mounting plate, a motor, The first bearing seat, the second bearing seat, the coupling, the rotating shaft, the cam and the cam follower, the motor, the first bearing seat and the second bearing seat are installed on the mounting plate, and the rotating shaft is supported on the first bearing seat and the second bearing seat Between the two bearing seats, the cam is set on the rotating shaft, and the cam is provided with a cam groove to install the cam follower. The output shaft of the motor drives the rotating shaft through a coupling, and one end of the cam follower is connected to the linkage mechanism. Driven by the motor, one end of the cam follower connected to the linkage mechanism is limited to move in the same plane to drive the linkage mechanism. Driven by a single motor, the mechanism is simple, small in size and light in weight, and can be flexibly applied to wafer handling scenarios in semiconductor manufacturing.
Owner:MEETFUTURE TECH (SHANGHAI) CO LTD
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