Patents
Literature

79results about How to "damage reduction" patented technology

Constant tension control device of hydraulic winch

InactiveCN103482517Adamage reduction
The invention discloses a constant tension control device of a hydraulic winch, which is particularly applied to constant tension control. An electro-hydraulic control system comprises an oil tank, a power pump group, an electromagnetic reversing valve, hydraulic locks, pressure sensors, a motor safety valve, a hydraulic motor, a winch, a cable arranger, a tension sensor, a load, a programmable logic controller (PLC), a one-way throttling valve, an electric-hydraulic proportional overflow valve and a cooling valve, wherein the power pump group is connected with an oil inlet of the electromagnetic reversing valve; oil outlets a and b of the electromagnetic reversing valve are connected with the hydraulic locks and the one-way throttling valve, respectively; an oil return inlet of the electromagnetic reversing valve is connected with an oil inlet of the electric-hydraulic proportional overflow valve; an oil outlet of the electric-hydraulic proportional overflow valve is connected with the cooling valve; an oil return inlet of the cooling valve is connected with the oil tank; the two symmetric hydraulic locks on oil paths corresponding to the two oil outlets of the electromagnetic reversing valve are connected with openings A and B of the hydraulic motor, respectively; the motor safety valve is arranged in parallel between two oil cavity openings A and B of the hydraulic motor. The constant tension control device of the hydraulic winch has functions for setting and measuring the tension state of a cable and making the tension state constant under complicated sea conditions, and is high in response speed and high in anti-interference performance.
Owner:SHANGHAI OCEAN UNIV

Conveying device with rotation function for paperboard double-sided printer and conveying method

The invention discloses a conveying device with a rotation function for a paperboard double-sided printer and a conveying method. The device comprises a base and a double-sided printer body, a bottomcleaning member is arranged on the left side of the outer wall of the front side of a panel through a supporting frame, a rotation mechanism which cooperates with a conveying belt is arranged in the center of the top of the base, and a top cleaning member is arranged on the part, close to the right side, between the two limiting plates. According to the device, a rotary disc is driven through a connecting motor, two groups of moving plates are pulled by two groups of pull rods to perform reciprocating movement from front to back to rub one side of a paperboard so as to efficiently and rapidlyremove dust remaining on the paperboard, a rotation mechanism is arranged, a moving block is driven to move through a hydraulic rod to allow a turning rod to drive a turning plate to rotate to turn the paperboard, manual turning is not needed, normal transmission is not influenced, the working efficiency is greatly improved, dust on the other side of the paperboard is removed by an arranged dust absorbing roller and a dust removing membrane, and therefore double-sided dust removing is achieved.
Owner:深圳市耀隆彩色印刷有限公司

Continuous coal mining machine paste filling mining method

The invention belongs to the technical field of application of coal mining equipment and coal mining method, and for solving the problems that conventional 'three unders (under building, railways and water bodies)' unexploited coal filling is high in cost and low in efficiency, matched filling materials are mostly solid filling materials, the transport project amount is large, the filling speed is slow, transportation and filling are difficult to match and synchronize, and the goaf compacting effect is not ideal after filling, provides a continuous coal mining machine paste filling mining method; a main lane and an auxiliary lane are arranged at the middle part of a mining area, the two lanes are connected through connection lanes at intervals, two sides of the main lane and the auxiliary lane are each provided with remining branched lanes, and two sides of each branched lane are each provided with mining adits for re-mining. A continuous coal mining machine performs re-mining at the one-side branched lanes, and a paste filling system performs goaf filling in the-other-side branched lanes. The mining and filling parallel operation is achieved, damage of coal mining on ground buildings (structures) and ecological environments is reduced, the economic benefits of the 'three unders' coal mining is increased, the mining and filling efficiency is high, equipment movement is flexible, the process is advanced, and the method is the quite ideal 'three unders' unexploited coal mining method.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1

Beam post steel ring hinging section point

InactiveCN103866868AReduce earthquake actiondamage reduction
The invention provides a beam post steel ring hinging section point, which comprises an upright post, a plurality of cross beams, an inner steel ring, an outer steel ring, a post steel ring plug pin and an inter-steel-ring plug pin, wherein the inner steel ring is sheathed on the upright post, the outer steel ring is sheathed on the inner steel ring, the post steel ring plug pin connects the inner steel ring onto the upright post, the inter-steel-ring plug pin connects the outer steel ring onto the inner steel ring, the inner steel ring rotates by using the post steel ring plug pin as a rotating shaft, the outer steel ring rotates by using the inter-steel-ring plug pin as a rotating shaft, a long shaft of the post steel ring plug pin and a long shaft of the inter-steel-ring plug pin are positioned in the orthogonal direction, and during the earthquake, the inner steel ring does limited rotation relative to the upright post and the outer steel ring, so the upright post generates relative movement with the cross beams and a floor slab, further, the mutual traction effect is not generated by each composition component of a building structure, the earthquake effect can be favorably reduced, in addition, the upright post and the cross beams are connected through rigid bonding-pre-stress-free steel bars, the building structure can be enabled to return to the initial position after the earthquake through the elastic recovery force generated by the bonding-pre-stress-free steel bars during the earthquake, and the structural damage caused by earthquakes can also be reduced.
Owner:TONGJI UNIV

Suspension-type high-speed width-regulation hydraulic turnover plow and stepless width regulation device thereof

Disclosed are a suspension-type high-speed width-regulation hydraulic turnover plow and a stepless width regulation device thereof. The suspension-type high-speed width-regulation hydraulic turnover plow comprises a suspension support, a turnover device, plow bodies and a stepless width regulation device body. The turnover device comprises a turnover cylinder and a turnover support, and the turnover cylinder is hinged to the suspension support and the turnover support respectively. The stepless width regulation device body comprises a width regulation cylinder, a width regulation bar and a parallel four-bar mechanism. The parallel four-bar mechanism comprises a main beam, a width regulation beam and at least two clamping seats, the main beam and the width regulation beam are parallelly arranged, and two ends of each clamping seats are respectively hinged to the main beam and the width regulation beam. One end of the width regulation cylinder is hinged to the main beam, one end of the width regulation bar is hinged to the width regulation beam, the other end of the width regulation cylinder and the other end of the width regulation bar are respectively hinged to the turnover support, and the plow bodies are disposed on the clamping seats. The suspension-type high-speed width-regulation hydraulic turnover plow is applicable to high-speed operation, small in resistance and good in soil turning over and covering.
Owner:CHINESE ACAD OF AGRI MECHANIZATION SCI +1

Road waste disposal area waste residue treatment device

The invention relates to the technical field of solid waste treatment accessory devices, in particular to a road waste disposal area waste residue treatment device. The road waste disposal area wasteresidue treatment device can break large waste, damage to a smashing roller can be reduced, raised dust caused during waste slag guide-out operation can be treated, the pollution to the construction environment and nearby air environment can be avoided, practicability reliability is improved, meanwhile, blockage generated by waste slag in a work cavity can be effectively avoided, construction proceed is ensured, the device comprises a smashing box, two sets of smashing rollers, two driving motors, a loading hopper, a discharging opening, two first motors, a left breaking plate, a right breaking plate, four sets of left guide columns, four sets of left guide sleeves, four sets of right guide columns, four sets of right guide sleeves, a left driving rod, a right driving rod, a driving shaftand a rotating disc; the right end of the left breaking plate and the left end of the right breaking plate are provided with multiple sets of breaking teeth, and a grid plate, a conveying box, a conveying motor, an atomizing pump, a conveying device, an atomizing head, a communication pipe, a discharging pipe, a left guide conveying plate and a right guide conveying plate are further included.
Owner:山西省交通环境保护中心站(有限公司)

Method for improving low-temperature impact toughness of high-strength steel hot rolled plate coil for engineering machines

The invention provides a method for improving the low-temperature impact toughness of a high-strength steel hot rolled plate coil for engineering machines, which belongs to the technical field of steel for engineering machines. The method adopts a hot feeding and hot loading process, and the control technical parameters in the process include a hot loading temperature, a pouring superheat degree and a drawing speed, wherein the hot loading temperature is 500 to 600 DEG C, the pouring superheat degree is 18 to 20 DEG C, and the drawing speed is controlled to be 1.2 to 1.4m/min. Production is carried out in a mode of coarsely rolling by two machine frames and finely rolling by six machine frames, six-pass rolling is adopted in a coarse rolling phase, six-pass fine rolling is adopted in a fine rolling phase, and the rolling reduction in a non-recrystallized areas of austenite is 65 to 70 percent. A front-end laminar flow cooling mode is adopted for quickly cooling to a target temperature after fine rolling, and the cooling speed is improved to 10 to 15DEG C/s. After being removed from the production line, the plate coil is cooled by wind to 100 DEG C and then by air to room temperature. The method has the advantages of ensuring high strength and high toughness at the same time, saving consumption and improving production efficiency.
Owner:HEBEI SHOUGANG QIAN AN IRON & STEEL CO LTD +1

Self-adjusting type automatic production line

The invention discloses a self-adjusting type automatic production line, and relates to the technical field of automatic production lines. The self-adjusting type automatic production line comprises a material supply unit, a numerical control machining part, an automatic conveying unit, a sorting unit, a driving unit and a production main processing controller; the material supply unit and the numerical control machining part and the sorting unit are sequentially arranged on one side of a conveying belt according to the machining process and the machining procedures of products; the automatic conveying unit comprises a driving wheel, a driven wheel and a conveying belt; and the sorting unit comprises a color recognizer and a material pushing pneumatic rod. According to the self-adjusting type automatic production line, a temperature sensor, a camera, the material pushing pneumatic rod, an electrostatic detector, an infrared sensor and the color recognizer are arranged so that the self-adjustment of the automatic production line can be realized, the situation that a fire occurs due to the fact that the conveying belt works in a high-temperature and electrostatic environment for a long time can be avoided, the service life of the conveying belt can be prolonged, the use safety of the conveying belt can be ensured, the phenomena that the products are accumulated or are too few on the conveying belt can be avoided, and therefore high-efficiency production can be realized.
Owner:合肥星袖机械科技有限公司

Novel vehicle with comprehensive improved function

InactiveCN102673499Adamage reductionreduce damage
The invention provides a novel vehicle (can be oil-driven, pneumatic, electric, solar energy-driven or hybrid-driven) with a comprehensive improved function. Elastic anti-collision devices (ox noses) are mounted at the front and the back ends of a vehicle body and a vehicle door; a braking device is arranged below the vehicle body; crawler belt combined devices and tire sleeves for a comprehensive multifunctional wheel tire are mounted on back wheels. Front wheels are provided with front wheel snowfield sliding board devices and devices for floating under a water level; a chassis is provided with a hydraulic cylinder for dismounting wheel crawler belts and the front wheel snowfield sliding board devices; floaters are arranged at the left part and the right part of the vehicle body; a power paddle device is arranged at the tail part of the vehicle; a security handle is arranged at the front part of the vehicle; a security indication post and a security prompting lamp at the top of the security indication post are conveniently used in the daytime or at night; metal door posts between front windshield and the front vehicle doors are modified to be of a glass structure; an automobile rearview mirror is moved forward; and a foldable solar energy wing plate is mounted on a rearview mirror rain-removing device. According to the novel vehicle provided by the invention, damage caused by impact can be further reduced; and the novel vehicle can be driven in a severe condition so that the functions of the vehicle are improved, and the performances can be improved.
Owner:庞龙

High-precision numerical control flame cutting machine used for steel plate cutting

The invention relates to the technical field of cutting machines, in particular to a high-precision numerical control flame cutting machine used for steel plate cutting. The high-precision numerical control flame cutting machine comprises a water tank, a cutting bearing frame is arranged in the upper side of the water tank in a hinged mode, limiting mechanisms are arranged in the water tank frontand back, discharging mechanisms are arranged in the front portion of the water tank in a bilateral symmetry manner, a first screw rod sliding table is arranged on the outer wall of the left side of the water tank, a portal frame is slidably connected to the upper side of the water tank, the bottom end of the left portion of the portal frame is fixedly connected with a sliding pair of the first screw rod sliding table through a connecting block, a second screw rod sliding table is arranged on the upper side of the transverse section of the upper portion of the portal frame, and a flame cuttingmechanism is slidably connected to the transverse section of the upper portion of the portal frame. According to the high-precision numerical control flame cutting machine used for steel plate cutting, four sets of balls are arranged at the four corners of a flame cutting head, in the cutting process, the balls make tight contact with the surface of a steel plate, and therefore the stability of the periphery of a cutting site is effectively guaranteed, and the flame cutting accuracy is further improved; and the discharging mechanisms are arranged, and therefore the steel plate after cutting can be conveniently taken out from the cutting bearing frame.
Owner:嘉兴云切供应链管理有限公司

Heat dissipation device of new energy vehicle

InactiveCN108146222Aavoid heat dissipationdamage reduction
The invention discloses a heat dissipation device of a new energy vehicle. The heat dissipation device of the new energy vehicle includes a motor room, wherein a motor fixed seat is arranged on the middle portion of the bottom wall of the motor room. A first motor is arranged in the motor fixed seat. The output end of the first motor is connected with a rotating shaft in a coaxial mode, and a first heat dissipation room is arranged in the upper side of the motor room. A storage water tank is arranged on the middle portion of the bottom wall of the first heat dissipation room. One end of the rotating shaft penetrates through the top wall of the motor room and the bottom wall of the storage water tank, and extends into the storage water tank. A second heat dissipation room is arranged on theupper side of the first heat dissipation room. A heating part is arranged on the middle portion of the inner bottom wall of the second heat dissipation room. A water pump is arranged on the outdoor side wall of the first heat dissipation room, and an outlet pipe is in communication with a water inlet end on the left side of the water pump. The heat dissipation device of the new energy has the advantages of enabling the heating part to achieve uniform heat dissipation. The problem that as using time goes by, the temperature of the storage water tank is getting higher and higher, and cannot achieve the cooling effect is solved.
Owner:沈国友
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