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36results about How to "Meet the requirements of transportation" patented technology
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System used for providing mobile power
PendingCN110159432ASave installation timeEasy to transportEngine fuctionsGas turbine plantsAutomotive engineeringRoad transport
The invention discloses a system used for providing mobile power. Through reasonable integrating of a device needed by a fracture site power supply system, a connection cable and a connection hose, the system is divided into three transport carriers for moving and effective connection, on the first transport tool, an air inlet assembly and a turbine power generation system are combined together, mounted and directly transported to the customer site, and the mounting time of the air inlet assembly and the turbine power generation system on the user site is saved. An exhaust chimney and an exhaust silencer are designed on two different positions, and the waste gas exhaust need during work can be met while the road transport need is met.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH
Highway-railway convertible car
ActiveCN106394681AMeet the requirements of transport tractionPrevent and block accessUnderstructuresVehicular safety arrangmentsRotational axisBogie
The invention discloses a highway-railway convertible car, comprising a highway container semi-trailer, a one-position traction bolster assembly, a two-position traction bolster assembly, a coupler buffer device, a bogie and an air and manual brake device. The highway container semi-trailer comprises a frame, container locks, ground jacks, a suspension damping system and protective devices. Two parallel centre sill assemblies are welded by adopting connection plate assemblies, to form the main part for bearing the railway longitudinal force; a secondary hook and a primary hook serve as the connectors and are connected with traction bolster assemblies at the head and the tail, so that the highway-railway convertible car can meet the requirement of railway transportation; when the highway-railway convertible car is used for railway transportation, a rear protective device is overturned upwards from the outside of the car around a rotating shaft, so that the requirements of assembling the railway bogie and the car body are met; and the suspension damping system adopts vibration damping gasbag and lifting gasbag structures, so that the matching of the highway container semi-trailer, a highway semi-trailer tractor and the bogie of the highway-railway convertible car during the conversion between highways and railways and the requirement of the gap between the road tire and the lower margin during railway transportation are met.
Owner:CRRC YANGTZE CO LTD
Special alloy steel and method for high-speed rail turnout integral sliding bedplate
InactiveCN102453842ASolve the problem of precision and welding deformationSimple structureRail switchesFoundry mouldsCarbon steelCorrosion resistant
The invention which relates to novel special alloy steel, and concretely relates to special alloy martensite stainless steel and a method for preparing a high-speed rail turnout integral sliding bedplate from the stainless steel belongs to the technical field of novel material preparations and applications thereof. The special alloy steel comprises the following chemical components, by weight, equal to or less than 0.10% of C, equal to or less than 1.5% of Si, equal to or less than 1.5% of Mn, equal to or less than 0.03% of P, equal to or less than 0.03% of S, 12.5-15.5% of Cr, 1-2% of Ni, a certain amount of Nb, 0.05-0.2% of W, 0.0003-0.0005% of B, 0.02-0.04% of N, and the balance Fe, wherein the amount of Nb is 3-5 times the amount of C. The method is carried out with integral casting one-time forming. According to the invention, defects of the processing technology complexity and the short service life caused by the adoption of easily abraded common carbon steel and the welding of three parts in the prior art are offset. The integral sliding bedplate of the invention, which successfully replaces split-welded sliding bedplates, has the characteristics of high strength, good abrasion resistance, corrosion resistance and no rust, no deformation, and short production period. So, the method which can satisfy essential conditions for the streamline production is very suitable for the large batch production.
Owner:张佳秋
Drilling machine solid control circulation system
The invention aims at providing a drilling machine solid control circulation system, which has the technical scheme that the drilling machine solid control circulation system comprises six drilling fluid circulation tanks, one water tank and two standby storage tanks, wherein the six drilling fluid circulation tanks are sequentially ranged into 2*3 arrays, and the purification of slurry is completed sequentially through the six drilling fluid circulation tanks. The drilling machine solid control circulation system has the beneficial effects that the system is provided with five-stages of purification equipment including a vibration sieve, a sand remover, a desilter, a vacuum degasser, a middle-speed centrifugal machine and a shearing pump. The technical requirements of drilling fluid circulation, slurry weight increasing, shearing, accident processing under special conditions and the like can be met. The system has the advantages that integrated modularization is adopted, the mounting and the dismounting are convenient, the highway and railway transportation requirements can be met, and the crane loading and unloading and dragging in a well field can be realized.
Owner:天津顺通鑫源盛石油设备制造有限公司
Method for preparing chrome ore pellets
The invention discloses a method for preparing chrome ore pellets and relates to a preparation method of cold-pressing pallets with raw material chrome ore (particle size of 10mm) in a ferrochrome metallurgy production process. The method is characterized by comprising the preparation process: adding a binder, a slag former, a reducing agent and a modifier to chrome ore, evenly mixing, adding water to regulate the humidity, conducting cold pressing to make pellets, then naturally curing and airing to prepare the finished pellets. The method for preparing the chrome ore pellets is simple in technique; the usage amount of auxiliary materials for producing ferrochrome can be reduced; the smelting power consumption of unit product of high-carbon ferrochrome Cr50 can be reduced; the high-carbon ferrochrome can be produced through single mineral. The method achieves the purposes of improving the production efficiency, lowering the cost and being energy-saving and consumption-reduction.
Owner:NINGXIA TIANYUAN MANGANESE LIMITED
High-efficiency antiseptic antifreezing agent for coal transportation and method for preparing same
InactiveCN1603380AImprove stabilityMeet the requirements of transportationOther chemical processesDepressantCoal
The invention provides a kind of coal transportation with highly effective to guard against corrosion the antifreeze, its component was: Glycol, calcium chloride, triethanolamine, with deionized water. The above coal transportation highly effective anticorrosion antifreeze preparation method includes: (1) solution configuration: The calcium chloride, joins in the deionized water, namely made has been ready to be used the fluid, (2) mixed the process: Joins the triethanolamine makes is ready to be used in the fluid, makes the reserve fluid, again glycol if in the reserve fluid, then continues to stir for a hour, causes the temperature drop to the room temperature, like this, has made the end product. The invention discloses testing many times in the foundation, screened pour point depressant, caused the antifreeze the solidification point greatly to reduce, had achieved -66deg.C, its anti- freezing temperatures has achieved -40deg.C, therefore had the fine low freezing point performance, also the stability was extremely good, has satisfied north the winter coal transportation request. After simultaneously in order to avoid pour point depressant oxidizing corrodes the freight car, but also has used the inhibitor technology, provides the long-term anticorrosion for the train freight car, has guarded against the rust function.
Owner:SHANXI YUNYAN PETROCHEM CO LTD
Telescopic chassis structure used for excavator
InactiveCN101974924AMeet the requirements of transportationImprove securitySoil-shifting machines/dredgersVehicle frameEngineering
The invention discloses a telescopic chassis structure used for an excavator. The telescopic chassis structure comprises a main frame, a left walking frame and a right walking frame, and is characterized in that: the two sides of the main frame are respectively provided with two connecting ends symmetrically; the connecting ends are connected with the walking frames through screw threads respectively; and the inside of each of the two connecting ends on the same side of the main frame is matched with a walking frame and is provided with a limiting structure respectively. In the telescopic chassis structure, the main frame is connected with the left and right walking frames by adopting screw thread structures, which makes the chassis of the excavator telescopic, meets the requirement on transportation and improves the safety of the transportation.
Owner:SANY HEAVY MACHINERY
Suspension vibration damping system of highway-railway convertible car
InactiveCN106394144AGuaranteed fixed effectMeet the requirements of transportationBufferRail and road vehiclesVehicle frameAirbag
The invention discloses a suspension vibration damping system of a highway-railway convertible car. The suspension vibration damping system of the highway-railway convertible car comprises two vibration damping airbags, a lifting airbag and an axle lifting valve. The upper ends of the two vibration damping airbags are connected with a centre sill component of a frame, the lower ends of the two vibration damping airbags are connected with an axle, the upper end of the lifting airbag is connected with the centre sill component, and the lower end of the lifting airbag is connected with the axle through a lifting lever. The suspension vibration damping system also comprises an axle holding mechanism. The axle holding mechanism comprises a lifting connection plate, a cross bar of which one end is connected with one end of the lifting connection plate, multiple safety hooks arranged on the cross bar in the axial direction of the cross bar, a lifting bolt hole formed in the upper part of the lifting connection plate and matched with a fixing hole in the centre sill component, and a lifting bolt, and the other end of the cross bar penetrates through the centre sill component. The decline of a highway tyre under the effect of dead-weight after being lifted is limited by using the axle holding mechanism, the highway tyre is fixed at the position to which the highway tyre is lifted, the transportation requirement of the highway-railway convertible car is met, and the operation is simple, safe and reliable.
Owner:CRRC YANGTZE CO LTD
Mountain crawler tractor
InactiveCN103407503AStrong tractionRealize functionTractorsEndless track vehiclesControl systemTractor
The invention discloses a mountain crawler tractor which comprises a walking device, a base and a platform. A cab, a traction winding device and a control system are arranged on the platform, a traction saddle is arranged on the base, and a trailer coupler is arranged at the rear end of the base. The walking device is a crawler walking device. Compared with the prior art, the mountain crawler tractor has the advantages of having various use functions, being convenient to disassemble, maintain and transport, low in investment cost, small in size, large in attaching force and traction force, good in maneuvering performance, comfortable, simple and safe to operate, capable of walking on mountainous roads, having various traction combination modes and the like. The mountain crawler tractor is mainly used for solving the problem that a wheel type road transportation tractor cannot transport oversized overweight devices under special severe environment or on mountainous roads with large slope, provides a new resolution scheme for mountain transportation of the oversized overweight devices and meets the requirement for transportation of the oversized overweight devices on the mountainous roads.
Owner:LIAONING FUWA HEAVY IND MACHINERY
Natural gas heating and regeneration integrated dehydration device and method
PendingCN114231327ASatisfy the function of zero emissionMeet the requirements of transportationGas treatmentDispersed particle filtrationAir compressionVapor–liquid separator
The invention relates to a natural gas heating and regeneration integrated dehydration device and method, the device comprises an inlet filter (1), a first dehydration tower (2), a second dehydration tower (6), an outlet filter (3), a circulating compressor (4), a gas-liquid separator (5) and a cooler (7), and the first dehydration tower (2) and the second dehydration tower (6) are switched for adsorption and regeneration. According to the device disclosed by the invention, the heater and the drying tower are designed in a built-in manner, the inlet and the outlet of the tower adopt a filter element form and can be randomly disassembled, assembled and replaced, the structure meets a larger flow area, the device does not need an additional instrument air compression system, air filtered at the inlet can meet instrument air source conditions, energy consumption is avoided, and the gas quality is clean.
Owner:XINDI ENERGY ENG TECH
Wide shallow-draft ship
InactiveCN106240736AIncrease speedImprove maneuverabilityPropulsive elementsHull partsHull structureBilge
The invention provides a wide shallow-draft ship. The wide shallow-draft ship is provided with a flat-bottom round bilge line type ship body structure, and each side structure is arranged to be of an outer bay side structure form, and at least one sunken concave part is formed on the chine of each side structure from the prow to the stern. According to the wide shallow-draft ship, a ship body is smooth and fair, steering oars are mounted on the sides and works in an extremely excellent flow field, various performance indexes including the rapidity, maneuverability, stability, safety and the like of the ship can be remarkably improved, and the wide shallow-draft ship has great development value. The ship body of the wide shallow-draft ship mainly can be used for islands and fairways with imperfect wharf facilities, the requirement for large vehicle transportation in certain water areas without wharf construction conditions can be met by means of the landing function based on maneuvering beaching, and the wide shallow-draft ship is an important supplement for traffic and transportation in relative backward countries or areas with severe natural environments.
Owner:GUANGDONG XINCHUAN HEAVY IND
Lifting device
The invention relates to a lifting device which is suitable for being used for lifting of a traveling crane, a gantry crane, a hoist and the like. The lifting device comprises a winding drum which is driven by a motor, a fixed pulley assembly close to the winding drum on the upper portion of the lifting device and a movable pulley assembly on the lower portion of the lifting device. The fixed pulley assembly is composed of two fixed pulley groups, and the axial directions of the fixed pulley groups are perpendicular to the axial direction of the winding drum. The movable pulley assembly is composed of two movable pulley groups, and the axial directions of the two movable pulley groups are in a V shape. The lifting device is further provided with a lifting rope. After the lifting rope crosses the two fixed pulleys on the two fixed pulley groups, two ends of the lifting rope are respectively downward wound sequentially between the movable pulley groups and the fixed pulley groups, and then, the lifting rope is wound evenly on the winding drum upward on the movable pulley groups and eventually fixedly arranged at the left end and the right end of the winding drum. The lifting device is small in appearance and size, simple in structure and light in weight.
Owner:江苏武东机械有限公司
Tank container
InactiveCN106892217AProtection does not fall offActive connectionLarge containersTank containerWaste management
The invention provides a tank container. The tank container includes a tank body and two end frame arranged on two ends of the tank body respectively; the tank container also includes a bottom vertical beam, inclined supports and hoops; the bottom vertical beam extends in the length direction of the tank body, and is arranged on the bottom of the tank body; the length of the bottom vertical beam is less than the length of the tank body; the inclined supports extends toward the bottom vertical beam from two bottom corners of the two end frames; two ends of the inclined supports are connected to the bottom corners of the end frames and the ends of the bottom vertical beam respectively; the hoops are fixed around the tank body, and is fixedly connected to the bottom vertical beam. The tank body and the frames can be effectively connected without welding the tank body, a load transmit pathway is optimized, and the tank container can bear various working loads and can meet the use demand.
Owner:NANTONG CIMC TANK EQUIP CO LTD +2
Method for forming refuse-firing flyash
ActiveCN101073895BReduce leaching toxicityLess prone to secondary pollutionCeramic shaping apparatusSold ingredients supply apparatusPortland cementLitter
The invention is concerned with a molding method to fly ash of burning garbage. Add 2 to 15 percent of additive and mix with 5 to 7 percent of water, and make into ball with ball making machine and maintain the ball at nature condition. The formulation of additive is 2 to 10 percent of common portland cement with 425 size or 3 to 10 percent slaked lime and 1 to 5 percent industry syrup. The powder fly ash is disposed into ball by physics and chemistry denaturalization disposal to improve the metallurgy capability of stuff. The lixiviating toxicity of fly ash reduces greatly and the lixiviating concentration to all kind of heavy metal is lower than the standard without the second time of pollution. The anti-press intention of fly ash ball reaches the demand of transport and fusion to separate heavy metal.
Owner:CHONGQING UNIV +1
Asbestos-free cork-rubber gasket for ships
The invention relates to a polymer, especially relates to improvement of a formula of a cork-rubber gasket for ships, and discloses an asbestos-free cork-rubber gasket for ships. The asbestos-free cork-rubber gasket for ships comprises an acceptable trace amount of impurities, and also comprises: by mass, 22.3 to 31% of a nitrile rubber 26, 12.4 to 14.9% of 4# cork powder (having granularity of 40 to 60 meshes), 18.6 to 22.3% of 5# cork powder (having granularity of 60 to 100 meshes), 18.6 to 31% of light calcium carbonate, 1.7 to 2.5% of zinc oxide, 0.25 to 0.37% of an accelerator sulfur, 0.37 to 0.5% of an accelerator TDTM, 0.37 to 0.5% of an accelerator DM, 0.37 to 0.5% of an anti-aging agent RM, 6.2 to 9.92% of stone powder, 1 to 1.49% of coumarone, and 1.24 to 1.49% of a resin 2123. The asbestos-free cork-rubber gasket for ships satisfies requirements on ship equipment installation, does not produce environmental pollution, and satisfies requirements from the international maritime organization on ship transportation.
Owner:JIANGSU HUAYANG HEAVY IND +1
Calculation method and system for making nuclear power station spent fuel transportation plan
ActiveCN112819323AImprove computing efficiencyImprove accuracyResourcesLogisticsNuclear engineeringReceiving facility
The invention relates to a calculation method and system for making a nuclear power station spent fuel transportation plan, and the method comprises: obtaining the shippable volume and the total shippable volume of each type of components according to the detailed information of the components and the basic information of a receiving facility; calculating to obtain the receivable quantity of each type of component according to the basic information of the receiving facility; determining the actual total transportation amount of each type of component transported to each receiving facility according to the total outward transportation amount and the receivable amount, and calculating the actual outward transportation amount and the actual receiving amount; and calculating the shipping component of each type of component according to the actual shipping volume and the actual receiving volume. The method and system have the effects of improving the accuracy and the planning efficiency of spent fuel transportation planning and comprehensively planning spent fuel transportation of multiple nuclear power stations.
Owner:中核清原环境技术工程有限责任公司
Hydraulic system of extension-type trailer
ActiveCN107200066AMeet the requirements of transportationReduce the number of trailersUnderstructuresPower unitPetroleum engineering
The invention discloses a hydraulic system of an extension-type trailer, which comprises a steering hydraulic system, a jacking hydraulic system and a telescopic hydraulic system; the telescopic hydraulic system comprises a power unit, a four-linkage multichannel valve, a bidirectional balance valve and a cross extending oil cylinder unit; an oil inlet of the four-linkage multichannel valve is connected with an oil outlet of the power unit, and an oil returning opening of the four-linkage multichannel valve is connected with an oil returning opening of the power unit; an oil outlet of a second linkage of the four-linkage multichannel valve is connected with an oil inlet of the bidirectional balance valve, and an oil outlet of the bidirectional valve is connected with the cross extending oil cylinder. According to the invention, the cross extending oil cylinder is applied to control the frame to crossly extend; when ultra-wide cargo with concentrated weight is transported, the frame can be crossly extended to an appointed width to meet the requirement of cargo transportation; by applying the method, the trailer number in cargo transportation can be reduced and the cost is saved.
Owner:HUBEI SANJIANG SPACE WANSHAN SPECIAL VEHICLE
Large test run hanging bracket with adjustable balance weight space
ActiveCN105422736AMeet the requirements of transportationAvoid deformationSpringsSprings/dampers design characteristicsBlock and tackleEngineering
The invention relates to a large test run hanging bracket with adjustable balance weight space. The large test run hanging bracket comprises a lifting hook connecting component, an upper welding box pile, a weight rack and steel wire ropes, and is characterized in that upper and lower pulley assemblies are correspondingly arranged at the four corners of the bottom of the upper welding box pile and the four corners of the surface of the weight rack respectively; the steel wire ropes are wound at the positions between pulley sets of the corresponding upper and lower pulley assemblies, and the length of the steel wire ropes can be adjusted; and weight rack extending arms are connected to the peripheral side walls of the weight rack respectively, wherein a 90-degree included angle is formed between the folded weight rack extending arms and the weight rack, and the weight rack extending arms and the weight rack are located on the same plane when the weight rack extending arms are put down. According to the test run hanging bracket, the balance weight arrangement space can be increased or reduced according to needs, the requirements for different balance weights are met, and the equipment cost is reduced; the size of the weight rack is reduced by means of folding of the weight rack extending arms, and the requirement for highway transport can be met; and the structure is simple, mounting and demounting are convenient, and maintenance is facilitated.
Owner:CHINA NUCLEAR IND MECHANICAL ENG
Limiting device
InactiveCN103215878ACompact structureSimple and compactRoads maintainenceExtreme positionMechanical equipment
The invention discloses a limiting device and relates to the technical field of engineering mechanical equipment manufacture. The limiting device comprises uprights, a ceiling and a mounting seat, wherein two uprights are available; one ends of the two uprights both are articulated with the mounting seat and the other ends of the uprights both are articulated with the ceiling; a limiting block is arranged between the two uprights; and one end of the limiting block is fixedly connected with one of the uprights. The connection line of the articulated points of the mounting seat with the two uprights, the axes of the two uprights and the connection line of the articulated points of the ceiling with the two uprights form a parallelogram two-rocker mechanism. The length of the limiting block between the two uprights is equal to the value of the distance between the two rockers when the two-rocker mechanism is in an extreme position. The limiting device is capable of solving the problems of complicated structure, difficulty in demounting, inconvenience in operation and high manufacture cost of the ceiling limiting device for the paver.
Owner:GUANGXI LIUGONG MASCH CO LTD
Suspending mechanism for container transferring
PendingCN109466564AMeet the requirements of transportationRealize load transferRope railwaysElevated railway with suspended vehicleBogieEngineering
The invention belongs to the technical field of logistics transportation, and particularly relates to a suspending mechanism for container transferring. The suspension mechanism comprises a center pinand a traction ball hinge, wherein one end of the center pin penetrates through a bogie, and the other end of the center pin is used for being connected with a vehicle body; the traction ball hinge is hinged to the position, penetrated by the center pin, of the bogie; the traction ball hinge comprises a first sleeve column, a second sleeve column and an elastic layer, the first sleeve column is used for fixedly penetrating through the bogie, the second sleeve column is located in the first sleeve column, the elastic layer is filled between the second sleeve column and the first sleeve column,and the second sleeve column is used for allowing the center pin to pass through. According to the mechanism, the load transmission in the plane direction can be realized, and meanwhile, a vibrationdamping function is achieved so as to meet the requirement of container air rail transportation.
Owner:CRRC YANGTZE CO LTD
Flexible transporting steel frames
InactiveCN1644437AReduce widthMeet the requirements of transportationCargo supporting/securing componentsSheet steelSteel frame
A movable steel frame for transporting the very long and very heavy steel plates by train is composed of several A-shaped frames consisting of two symmetrical oblique rods and a horizontal bar, and a supporting frames consisting of a horizontal bar with two stop blocks at its both ends and a vertical rod perpendicular to the center of said horizontal bar. Said A-shaped frame is standing up on the horizontal bar of said supporting frame whose vertical rod with a screwed top segment passes through the top point of said A-shaped frame. A rack bar is arranged between two feet of A-shaped frame.
Owner:李涛
Moving box truck special for steel coil transportation
Owner:CRRC SHANDONG CO LTD
Livestock food heat insulation and sterilization device
InactiveCN108792181AMeet the requirements of transportationImprove insulation effectSealingShock-sensitive articlesEngineeringLivestock
The invention discloses a livestock food heat insulation and sterilization device. The livestock food heat insulation and sterilization device comprises a box body; the four corners of the outer wallof the bottom of the box body are connected with universal wheels through bolts, the outer wall of one side of the box body is connected with a pushing rod through bolts, a connecting frame is weldedto one side of the outer wall of the top of the box body, and the same rotating shaft is welded to the outer wall of the opposite side of the connecting frame; and the outer wall of the rotating shaftis connected with a box door in a sleeved mode, the outer wall of the top of the box door is connected with a handle through bolts, the outer wall of the bottom of the box door is bonded with a sealing ring, the outer wall of the bottom of the box body is connected with a power box through bolts, the inner wall of the power box is connected with a storage battery in an inserted mode, and mountingrods are welded to the inner walls of the two opposite sides of the box body. According to the livestock food heat insulation and sterilization device, the warmer bottom of the lower heat and coolertop of the food cannot occur during transporting, the heat insulation effect is better, the requirements of a breeding plant for the transport of the livestock food are met, the box body is internallyprovided with a plurality of spaces, the food of various livestock can be transported in once transporting work, and the practicality of the device is effectively improved.
Owner:ZHENGZHOU LIFUAI BIOLOGICAL TECH CO LTD
Multi-way carrying vehicle
InactiveCN106629505AMeet the requirements of transportationRealize the purpose of one car with multiple functionsLifting devicesSteering wheelEngineering
The invention provides a multi-way carrying vehicle. According to the multi-way carrying vehicle, a solar panel is arranged above a container; a steering wheel and a control panel are arranged on a case; supports are arranged at one side away from the container, of the case; an illumination device is arranged at the top end of the support; two gears are arranged at the two opposite sides of the two supports respectively; two gears close to the lower side are connected with a motor respectively; and a boom is arranged at one side away from the supports, of a connection plate. The multi-way carrying vehicle provided by the invention is capable of meeting a transport requirement through disassembly and assembly for a transport vehicle, thus the multiple purposes of the vehicle are realized; and carrying can be carried out simultaneously in many carrying ways, thus transport is facilitated, and resources are saved.
Owner:天津俊俏科技有限公司
High-efficiency antiseptic antifreezing agent for coal transportation and method for preparing same
InactiveCN1261522CImprove stabilityMeet the requirements of transportationOther chemical processesDepressantCoal
The invention provides a kind of coal transportation with highly effective to guard against corrosion the antifreeze, its component was: Glycol, calcium chloride, triethanolamine, with deionized water. The above coal transportation highly effective anticorrosion antifreeze preparation method includes: (1) solution configuration: The calcium chloride, joins in the deionized water, namely made has been ready to be used the fluid, (2) mixed the process: Joins the triethanolamine makes is ready to be used in the fluid, makes the reserve fluid, again glycol if in the reserve fluid, then continues to stir for a hour, causes the temperature drop to the room temperature, like this, has made the end product. The invention discloses testing many times in the foundation, screened pour point depressant, caused the antifreeze the solidification point greatly to reduce, had achieved -66deg.C, its anti- freezing temperatures has achieved -40deg.C, therefore had the fine low freezing point performance, also the stability was extremely good, has satisfied north the winter coal transportation request. After simultaneously in order to avoid pour point depressant oxidizing corrodes the freight car, but also has used the inhibitor technology, provides the long-term anticorrosion for the train freight car, has guarded against the rust function.
Owner:SHANXI YUNYAN PETROCHEM CO LTD
Derrick capable of being folded
ActiveCN105041229AReduce volumeImprove the efficiency of on-site assemblyDerricks/mastsPetroleum engineeringRail transportation
The invention belongs to the technical field of petroleum equipment, and discloses a derrick capable of being folded. The derrick comprises a derrick body. The derrick body is segmented into a left section and a right section. Two sets of connection lug plates are arranged on the two sides of the side wall of the joint of the left section and the right section respectively. One set of connection lug plates are connected through an outer side pin, and the other set of connection lug plates are connected through an inner side pin. Fixed lug plates are arranged at the bottoms of the other ends of the left section and the right section respectively. Pin holes are formed in the fixed lug plates. After the outer side pin is pulled down, the left section and the right section can horizontally rotate around the inner side pin. When the pin holes in the fixed lug plates coincide, the outer side pin is inserted in the pin holes for fixation, and the derrick body is folded into a quadrangle with the four edges closed. By means of the different installation positions of a positioning block on the inner side pin, the matching gaps between the connection lug plates and the diameter-variable pins are changed, the connection lug plates can rotate, the left section and the right section of the derrick body are unfolded, and therefore the size of the derrick is reduced, the requirement for railway transportation is met, and the on-site assembling efficiency of the derrick is improved.
Owner:LANZHOU LS PETROLEUM EQUIP ENG CO LTD
Bracket-free laminated yoke rotor body structure of hydraulic generator
InactiveCN102420484BMeet technical requirementsMeet the requirements of high speed structureMagnetic circuit rotating partsMechanical engineeringEngineering
The invention discloses a bracket-free laminated yoke rotor body structure of a hydraulic generator, and aims to solve the technical problem that the radial size of a combined structural yoke rotor body in the prior art is limited so that a rotor bracket cannot be arranged after the diameter of a main shaft and the widths of fanning strips of a yoke are subtracted from the radial size and the like. In the bracket-free laminated yoke rotor body structure of the hydraulic generator, the diameter of a yoke section of the main shaft is increased according to the widths of the fanning strips of the yoke; positioning steps and positioning rib key grooves are machined on the outer circle of the yoke section of the main shaft; and the fanning strips of the yoke are directly laminated on the outercircle of the main shaft, positioned by the positioning steps and then fastened and positioned by radial keys. The bracket-free laminated yoke rotor body structure of the hydraulic generator has the advantages that: the yoke is fixed on the main shaft under the condition of not arranging the rotor bracket, and the technical requirements of the yoke rotor body are met, so that not only the requirements of a high-rotating speed structure are met, but also the requirements of transportation on the structural size and packaging of the rotor yoke can be met.
Owner:CHONGQING WATER TURBINE WORKS
collapsible derrick
ActiveCN105041229BReduce volumeImprove the efficiency of on-site assemblyDerricks/mastsPetroleum engineeringRail transportation
The invention belongs to the technical field of petroleum equipment, and discloses a derrick that can be closed. It includes a derrick body, which is divided into a left section and a right section. Ear plates, the two sets of connecting ear plates are connected to each other through outer pins and inner pins respectively, the bottom of the other end of the left section and the right section are respectively provided with fixed ear plates, and there are pin holes on the fixed ear plates, pull out the outer pins The rear left section and right section can rotate horizontally around the inner pins. When the pin holes on the fixing lugs coincide, insert the outer pins to fix them. The derrick body is closed to form a quadrilateral with four sides closed. The present invention changes the matching gap between the connecting lug plate and the variable diameter pin through the difference in the installation position of the positioning block on the inner pin, so that the connecting lug plate rotates, and the left section and the right section of the derrick are closed, thereby reducing the volume of the derrick , which not only meets the requirements of railway transportation, but also improves the efficiency of on-site assembly of the derrick.
Owner:LANZHOU LS PETROLEUM EQUIP ENG CO LTD
Marine rubber
InactiveCN106167564AImprove compression performanceDoes not pollute the environmentCoumaronesAsbestos
The invention discloses a marine rubber, which is composed of the following components in mass percentage: nitrile rubber 26: 22-35, 4# cork powder (40-60 mesh): 14-16, 5# cork powder (60-mesh 100 mesh): 17~25, light calcium carbonate: 16~20, zinc oxide: 1.7~2.5, accelerator sulfur: 0.25~0.37, accelerator TDTM: 0.37~0.5, accelerator DM: 0.37~0.5, antioxidant RM: 0.37~0.5, stone powder: 6.2~9.92, solid Malone: 1~1.49, resin 2123: 1.24~1.49. The marine rubber disclosed by the invention greatly improves the compressive performance of the non-asbestos rubber pad, basically meets the requirements for installation of ship equipment, does not pollute the environment, and meets the requirements of the International Maritime Organization for ship transportation.
Owner:南通三荣实业有限公司
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