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56results about How to "Improve operational adaptability" patented technology

Waterborne aluminium foil adhesive and preparation method thereof

The invention discloses a waterborne aluminium foil adhesive and a preparation method thereof and belongs to the field of adhesives. The aluminium foil adhesive is a composite adhesive with solid content of 40 to 50 percent, which is prepared by using monomers, an emulsifier, protective colloid, an initiator, a buffer, a pH (potential of hydrogen) regulator, a plasticizer, a waterborne assistant and deionized water as the raw materials through pre-emulsification, seed reaction, polymerization reaction and compounding. The monomers in the raw materials comprise hard monomers, soft monomers andfunctional monomers, wherein the hard monomers adopt vinylacetate and methyl acrylate; the soft monomers adopt ethyl acrylate and butyl acrylate; and the functional monomers adopt any one of acrylic acid or methacrylic acid and N-hydroxymethyl acrylamide. The waterborne aluminium foil adhesive has the advantages of low cost, high stripping strength and good leveling property and is simple and convenient to operate.
Owner:BEIJING COMENS NEW MATERIALS

A global optimization method for ultra-low emission multi-pollutant cooperative removal system

The invention relates to a global optimization method of an ultra-low emission multi-pollutant cooperative removal system, which obtains an accurate description of a multi-pollutant generation, migration, conversion and removal process in a multi-device through an accurate modeling of a multi-device multi-pollutant cooperative removal process in an ultra-low emission system. The multi-pollutant emission reduction cost under different load, coal quality, pollutant concentration and operation parameters is evaluated accurately by the global operation cost evaluation method in ultra-low emissionsystem. Minute-level planning and optimization of emission reduction of global pollution reduction devices under different emission targets are realized by global operation optimization method of multi-pollutant multi-objective and multi-operating conditions. Reliable emission reduction and side-by-side control of pollutants are ensured through advanced control methods with low emission and multi-pollutant emission meeting the standards reliably. The invention innovates the modeling, optimization and control method of the ultra-low emission system from the aspects of model, architecture and algorithm, improves the controllability and adjustability of the system, and guides the efficient, reliable and economic operation of the ultra-low emission system.
Owner:ZHEJIANG UNIV

Pump body assembly and compressor with pump body assembly

The present invention provides a pump body assembly and a compressor with it. The pump body assembly includes a crankshaft part, the crankshaft part includes a long shaft part, an annular groove is arranged on the long shaft part, and a second An oil guide groove, the first oil guide groove communicates with the annular groove to guide lubricating oil into the annular groove; the bearing part has a bearing hole, the first section of the long shaft part is located in the bearing hole, and the annular groove is arranged on the first section. During the operation of the pump body assembly, the lubricating oil enters the annular cavity formed by the annular groove and the hole wall of the bearing hole through the first oil guide groove, which increases the contact area between the lubricating oil and the hole wall of the bearing hole, effectively improving Lubrication effect of crankshaft and bearing hole. Due to the arrangement of the annular groove, the rigidity of the long shaft part of the crankshaft part is reduced, the self-adaptive ability of the improved long shaft part is enhanced, the wear of the long shaft part and the bearing part is reduced, the service life of the compressor is prolonged, and the Compressor reliability.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION

Semi-automatic underwater welder with local dryness

A semi-automatic underwater welder with local drying method is composed of job ship, air compressor on the ship, welding power supply, underwater wire feeding case connected to said welding power supply via cable, welding gun linked to said wire feeding case via wire guiding tube, and miniature water rejecting hood on the front end of welding gun.
Owner:SOUTH CHINA UNIV OF TECH

Intelligent terminal operation method and device

The invention relates to the communication field and provides an intelligent terminal operation method and device. The method includes: acquiring a user's face image; extracting the user's expression features from the user's face image; comparing the user's expression features with stored mark expression features, and determining whether mark expression features matched with the user's expression features are present in the stored mark expression features; when matched mark expression features are present, determining operation information corresponding to the matched mark expression features; conducting corresponding operation on the intelligent terminal according to the operation information. By the method, manipulation based on facial expressions and used for the intelligent terminal is conveniently realized, operation adaptability of the intelligent terminal in various scenes is improved, and meanwhile tedious user operation is reduced, and users' usage experience and interestingness are improved.
Owner:GUANGDONG XIAOTIANCAI TECH CO LTD

Self-lubricating crankshaft and rotary compressor, air conditioner and heat-pump water heater using same

The invention discloses a self-lubricating crankshaft which comprises a major semi-axis, an eccentric circle and a minor semi-axis. The center of the crankshaft is provided with an axial through hole; the top and the bottom of the eccentric circle are respectively provided with a first radial oil guide hole and a second rail oil guide hole which are communicated with the through hole; the outer surface of the minor semi-axis is provided with at least one spiral oil guide slot which is slantingly formed along the axial direction and is communicated with the through hole; the rotating direction of the spiral oil guide slot is opposite to that of the crankshaft; the outer surface of the minor semi-axis is also provided with a spiral communication groove extending towards the bottom of the eccentric circle from the top end of the spiral oil guide slot; the spiral communication groove does not run through the lower end face of the minor semi-axis; the spiral oil guide slot is spirally formed by using the center line of the crankshaft as the center; a helix angle alpha of the spiral oil guide slot has an angle range of 5 degrees to 85 degrees; a concave included angle beta of two opposite lateral surfaces of the spiral oil guide slot in the process of ascending along the spiral direction has an angle range of 2 degrees to 80 degrees; and the rotating direction of the spiral communication groove is the same with that of the spiral oil guide slot. The invention also discloses a rotary compressor, an air conditioner and a heat-pump water heater which use the self-lubricating crankshaft.
Owner:ZHUHAI LANDA COMPRESSOR +1

Liquid-accommodation diversion type drop pipe

The invention discloses a liquid-accommodation diversion type drop pipe comprising a pipe body, overflow weirs, single-stage or multiple-stage liquid accommodating chambers clinging to the tower wall and pipe wall, liquid accommodating plates of the bottom of the pipe body and drop plates. According to the drop pipe, the liquid phase and gas phase flowing and contacting state in a tower is changed, the gas and liquid contacting and separating strength is enhanced, the purposes of improving the tower distillating efficiency and operational flexibility and increasing the tower flux can be achieved, the tower blockage prevention capability is improved, the tower plate pressure drop is reduced, energy consumption and equipment investment are reduced, and the comprehensive performances of the tower are improved.
Owner:万强

Work heat insulation gloves with exposed parts at upper parts of inner surfaces of five fingers

The invention relates to a pair of work heat insulation gloves with exposed parts at the upper parts of inner surfaces of five fingers and belongs to a pair of gloves, in particular to a pair of heat insulation gloves normally with electric heating functions worn in cold seasons for official document work and study such as reading, writing, typewriting and the like. Gloves bodies are made of thick and soft heat insulation materials, and the appearance of each glove body is in a mitten type, so hot air gathering is favorably realized; the inner surfaces of the upper parts of the five fingers are exposed, so the operation such as book turning, writing, typewriting and the like is convenient; the gloves are provided with finger sleeve belts, so the heat insulation materials arranged at the back side parts of the glove bodies are ensured to be tightly pasted with the palm backs and the finger backs for following heat insulation, and whether the gloves are provided with or not provided with electric warming cores, the glove bodies are connected with or not connected with sleeve tubes, and the gloves are provided with or not provided with other four finger window sealing covers are determined according to the consideration of whether the heat insulation function of the gloves needs to be enhanced or not. The work heat insulation gloves with the exposed parts at the upper parts of the inner surfaces of the five fingers have the advantage that various activities of the fingers and the palms such as bending, straightening, pinching, clicking and the like are convenient.
Owner:唐朋 +1

Animal and plant mixed acid-proof cream and preparation method thereof

The invention discloses animal and plant mixed acid-proof cream which consists of the following raw materials in parts by weight: 120-200 parts of plant oil, 0-200 parts of glucose, 0-200 parts of cane sugar, 0-200 parts of corn syrup, 0-50 parts of milk fat, 10-15 parts of a compound emulsifier, 0.1-5 parts of phosphate buffer salt, 0.1-2 parts of table salt, 0-2 parts of edible essence and the balance of water. The invention further discloses a preparation method of the animal and plant mixed acid-proof cream. The animal and plant mixed acid-proof cream has very strong acid resistance, can be mixed with various fruit juice, fruit paste, jam and other products according to the proportion of 1:1 or be sent after mixing, and has the advantages of being high in sending quantity, short in sending time, high in stability, simple and convenient to operate, and the like.
Owner:ZENGCHENG LEGO FOODS CO LTD

Selective and efficient bioreactor

The invention discloses a selective and efficient bioreactor. The bioreactor comprises a motor (1), a rotatable disc fixing device (2) and a biological disc (3), wherein the motor (1) is connected with the rotatable disc fixing device (2); the biological disc (3) is arranged in the disc fixing device (2); the disc fixing device (2) comprises a support steel plate (4), a rotating shaft (5), a plurality of disc fixing frameworks (6) and a movable external framework clamp (7); and the rotating shaft (5) is fixedly connected with the support steel plate (4). The invention also discloses a biological disc. Internal structures and carriers are rearranged for improving the actual operation adaptability and treatment efficiency by the selective and efficient bioreactor disclosed by the invention on the basis of the biological rotating disc principle; and the selection of the biological disc can be carried out according to the post-treatment water quality requirement and the actual treatment effect.
Owner:杭州市城乡建设设计院股份有限公司

Infrared device installation criterion validity method and installation criterion validity system

The invention provides an infrared device installation criterion validity method and installation criterion validity system for solving the problem of the way to ensuring that the infrared device can accurately aim a target when the installation structure of the infrared device is fixed. The method comprises the following steps: the step one in which the infrared device is installed on a cylindrical component and a mechanical aiming tool of the cylindrical component is opened; the step two in which the mechanical aiming tool of the cylindrical component is used to aim a fixed target; the step three in which an infrared image of the target is acquired through the infrared device, the target is judged whether to be located at the visualization aim point of the infrared device; if the target is located at the visualization aim point of the infrared device, then the visualization aim point of the infrared device is adjusted and the process returns to the step three; and if the target is located at the visualization aim point of the infrared device, then the installation criterion validity of the infrared device is completed. According to the invention, advantages of easy operation and good operating adaptability can be realized, and aiming can be performed on the target in the field environment, and no mechanical stabilization tool is needed.
Owner:北京航天晨信科技有限责任公司

Detection and control method suitable for flow deposition of ammonium salt of hydrogenation air cooler

InactiveCN102338762AAvoid problems with clogged tube bundlesAvoid multiphase flow erosion failure problemsMaterial heat developmentInlet channelMonitoring temperature
The invention discloses a detection and control method suitable for the flow deposition of ammonium salt of a hydrogenation air cooler, which comprises the following steps: controlling the monitoring temperatures of thermocouples in zones A and B which are 1-3m distance away from the joint of the outlet of an inlet channel and a first row tube bundle and correspond to fluid medium inlets to be lower than the dew-point temperature of water, and the monitoring temperatures of thermocouples at both ends of a channel and a middle zone which are 0.2-1m distance away from the joint of the inlet of an outlet channel and a fifth row tube bundle to be higher than the crystallization temperature of NH4HS, and carrying out regulation and control through water injection rate, water injection temperature, fan speed or blind window opening; controlling the deviation of the monitoring temperatures of the thermocouples in the zones A and B which are 1-2m distance away from the joint of the inlet of afirst middle channel and a tube bundle and the deviation of the monitoring temperatures of the thermocouples at both ends of the channel and the middle zone to be less than 10 percent; and otherwise,increasing injected water to reduce the temperature deviation. In the detection and control method suitable for the flow deposition of the ammonium salt of the hydrogenation air cooler, the phenomenon that NH4Cl deposition is caused because a liquid water dry zone is generated at the 1-3m position of the inlet of the air cooler is avoided, the phenomenon that washout is caused because NH4HS deposition is generated in an end tube pass is also avoided, and whether flow unbalance is generated on the air cooler or not can be detected.
Owner:HANGZHOU FURUDE TECH

Emergency automatic diffusing device for gas chamber

The invention discloses an emergency automatic diffusing device for a gas chamber. The emergency automatic diffusing device is characterized by comprising an emergency diffusing pipe which is provided with a rain-proof cap on the top, wherein an opening / closing valve body with a piston inside is arranged on one side of the emergency diffusing pipe; the piston is connected with a sealing plate forenclosing the emergency diffusing pipe; a travel switch valve body is arranged above a gas chamber piston, and is provided with cavities for accommodating a first travel switch valve plunger piston and a second travel switch valve plunger piston respectively; the top of each travel switch valve plunger piston is provided with an elastic device; and each travel switch valve plunger piston can moveup and down in the cavities, and is in hermetic seal with cavity walls. The emergency automatic diffusing device is safe and reliable, can adapt to a gas chamber with a high pressure, and can be wellsealed and opened / closed no matter how high the coal gas pressure is. Due to the adoption of the emergency automatic diffusing device, the running adaptability of the piston is greatly enhanced, the service life of the gas chamber is prolonged, and the service life of a hermetic rubber film is prolonged.
Owner:CISDI ENG CO LTD

Display apparatus

A display apparatus including a reflective display panel and a micro light-emitting diode panel is provided. The display apparatus has a display surface and the reflective display panel has a reflective surface. The micro light-emitting diode panel is overlapped with the reflective display panel and includes a driving circuit layer and a plurality of light-emitting diode devices. The driving circuit layer is positioned between the reflective display panel and the display surface. The micro light-emitting diode devices are electrically bonded to the driving circuit layer. The display surface and the reflective surface are respectively disposed on two opposite sides of the micro light-emitting diode devices and the transmittance of the micro light-emitting diode panel within a wavelength range of visible light is higher than 50%.
Owner:PLAYNITRIDE DISPLAY CO LTD

Internal and external dynamic heating solid organic matter pyrolysis combination device in double-column mixing process

The invention discloses an internal and external dynamic heating solid organic matter pyrolysis combination device in double-column mixing process. The device comprises a plurality of pyrolysis chambers and heating chambers, wherein each heating chamber is internally provided with a one-process flue and a multi-process flue capable of forming a fold-back heating passage, and heating gas in each two adjacent heating chambers flow reversely; each pyrolysis chamber is internally provided with two columns of agitators, and each column of agitator is provided with a single-process heating agitatorand a multi-process heating agitator which are connected in parallel with each other, the multi-process heating agitators can form a fold-back stirring / heating passage through a communicating pipeline, and heating gas in the two columns of agitators flow reversely; the agitators are driven to rotate through external power; a feeding device and a pyrolysis gas output device are arranged at the topof each pyrolysis chamber, and a discharging device is arranged at the bottom of each pyrolysis chamber. The internal and external dynamic heating solid organic matter pyrolysis combination device enlarges the heating area, reduces the thermal resistance, ensures uniform heating and high heat transfer efficiency, and increases the gas permeability. The pyrolysis chambers can be copied and combined, and are suitable for large-scale industrial production. The internal and external dynamic heating solid organic matter pyrolysis combination device provides strong protection for material pyrolysis,is high in operation adaptability and productivity, and has efficacies of environmental protection, energy conservation and safety.
Owner:青岛伊诺威能源化工新技术有限公司

Demonstration system based on mobile industrial robot demonstrator and demonstration method thereof

The invention discloses a demonstration system based on a mobile industrial robot demonstrator and a demonstration method of the demonstration system. A microprocessor serves as a control center of embedded equipment of the demonstration system of the demonstrator and coordinates of a moving path of a mobile industrial robot; a demonstrator debugging module is completed by a PC (Personal Computer) and is used for realizing functional programming of a demonstrator system and function debugging test of the demonstrator system; the PC is used for carrying out programming and function debugging on the demonstrator system and testing a demonstrator function program; a LCD touch screen module is used for realizing human-computer interaction of the demonstrator, the industrial personal computer is a data analysis system of the mobile industrial robot, and the industrial personal computer has the function of improving the data operation capability of the mobile industrial robot in a moving path planning process after analyzing data acquired by a sensor of the mobile industrial robot. According to the invention, the man-machine interaction experience of the demonstrator and the mobile industrial robot is realized, the operation adaptability of a demonstrator operator is improved, and the demonstrator can demonstrate the mobile industrial robot in a more complex place.
Owner:BEIJING UNIV OF TECH

Display device

The present invention provides a display device including a reflective display panel and a miniature light-emitting diode panel. The display device has a display surface, and the reflective display panel has a reflective surface. The miniature light-emitting diode panel is superposed on the reflective display panel and includes a driving circuit layer and a plurality of light-emitting diode elements. The driving circuit layer is located between the reflective display panel and the display surface. These miniature light-emitting diode elements are electrically connected to the driving circuit layer. The display surface and the reflective surface are respectively located on opposite sides of the miniature light-emitting diode elements, and the visible light transmittance of the miniature light-emitting diode panel is greater than 50%.
Owner:PLAYNITRIDE DISPLAY CO LTD

Multi-angle limiting handle mechanism

The invention belongs to the field of automobile parts, and particularly discloses a multi-angle limiting handle mechanism. The multi-angle limiting handle mechanism comprises a fixing frame, an opening and closing piece and a handle, wherein the opening and closing piece is movably connected with the fixing frame; one end of the handle is movably connected with the opening and closing piece through a swing arm, and the other end of the handle is movably connected with the fixing frame; and a lock pin is matched with the swing arm so as to be connected with the swing arm in a locked mode or movably connected with the swing arm according to requirements, the opening and closing piece and the fixing frame are adjusted according to requirements, and when the included angle between the opening and closing piece and the fixing frame meets requirements, the lock pin and the swing arm are matched and locked, so that the opening and closing piece and the fixing frame are relatively fixed. The multi-angle limiting handle mechanism can effectively solve the problems that a vehicle opening and closing piece cannot be locked after being opened, the limiting angle is single, and the use adaptability is low, and meanwhile has the characteristics of multi-angle adjusting and limiting, fixing and the like, so that the multi-angle limiting handle mechanism is particularly suitable for multi-point limiting according to requirements when doors and windows need to be opened at a small angle for shooting outwards in the driving process of military vehicles, the combat adaptability is improved, and the operation is simple and labor-saving.
Owner:DONGFENG OFF ROAD VEHICLE CO LTD

Radial window cutting drilling device for downhole casing pipe of oil-water well

The invention discloses a radial window cutting drilling device for a downhole casing pipe of an oil-water well. The drilling device comprises an up-down guide positioning unit, a rock stratum drilling unit and a radial window cutting unit, wherein the up-down guide positioning unit comprises a slip and a guide device, the rock stratum drilling unit comprises a joint, a rock stratum shell assemblyand a rock stratum piston assembly, and the radial window cutting unit comprises a window cutting piston assembly, a transmission mechanism and a window cutting drill bit. According to the drilling device, the curvature radius is small, radial window cutting of the downhole casing pipe steering in the horizontal direction can be carried out, a window cutting hole can be followed, roundtrip operation is not needed, the rock stratum drill bit is used for continuing to perform radical drilling on the rock stratum, the operation adaptability is high, the reliability is high, the efficiency is high, and the energy is saved.
Owner:SHENGLI OIL FIELD HIGHLAND GASOLINEEUM EQUIP

Pressure swing adsorption purification and recovery device and process for polypropylene SPG process tail gas

The invention relates to the technical field of tail gas treatment, in particular to a pressure swing adsorption purification and recovery device and process for polypropylene SPG process tail gas. The pressure swing adsorption purification and recovery device for polypropylene SPG process tail gas comprises a recovered gas buffer tank, a folded wave filter, a compressor, a refrigeration dryer, athree-stage precision filter, a separator and a pressure swing adsorption tower which are connected in sequence. The recovered gas buffer tank is connected with a polypropylene SPG process tail gas pipeline. The top of the pressure swing adsorption tower is connected with a nitrogen buffer tank through a nitrogen discharge pipeline and is also connected with a flushing gas buffer tank through a sequential discharge pipeline. The bottom of the pressure swing adsorption tower is connected with a gas inlet pipeline and a reverse discharge pipeline. According to the device and process, the pressure swing adsorption technology is adopted for purifying the polypropylene SPG process tail gas, nitrogen in the tail gas is recycled while organic gas such as propylene and propane is removed, the emission environmental protection problem is solved, and benefits are increased for enterprises.
Owner:胡啸

Energy storage and information system double-layer collaborative planning method, device and medium

The invention provides an energy storage and information system double-layer collaborative planning method, a device and a medium. According to the method, communication importance indexes of communication nodes are distinguished by introducing an analytic hierarchy process weighting mode, a new energy storage installation position is selected on this basis, and a double-layer collaborative planning model of a power distribution network energy storage system and communication network topology for high-permeability distributed power supply and intermittent load acceptance in a power distribution network is constructed. The method specifically comprises a configuration strategy of a new energy storage position and capacity and communication network frame topology optimization; carrying out iterative solution on the upper-layer model and the lower-layer model by adopting an algorithm based on mutual nesting of an improved non-dominated sorting second-generation genetic algorithm and a binary particle swarm optimization algorithm, so as to realize collaborative planning of the physical-layer energy storage system and the information-layer network topology of the power distribution network considering the coupling effect of the information physical system.
Owner:RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER +2

Method and system for producing calcium carbide

The invention provides a method and a system for producing calcium carbide. The system comprises a mixing forming unit, a pyrolysis unit, a heat delivery unit and a calcium carbide furnace unit, the mixing forming unit comprises a first stirring device, a second stirring device and a forming device, the second stirring device is connected with the first stirring device and the forming device, thepyrolysis unit comprises a vertical furnace and a coal gas purifying system, the vertical furnace comprises a raw material inlet, an oil gas outlet and a product outlet, the raw material inlet is connected with the forming device, the oil gas outlet is connected with the coal gas purifying system, the heat delivery unit is connected with the product outlet, the calcium carbide furnace unit comprises a calcium carbide furnace charging system and a calcium carbide furnace, and the calcium carbide furnace charging system is connected with the heat delivery unit. By the system, the problem that calcium carbide furnaces are high in raw material cost and energy consumption and the problem that conventional vertical furnaces are energy-wasting in the prior art can be solved.
Owner:北京道思克能源设备有限公司

Embedded energy storage type multi-module series photovoltaic DC boost converter and application method

ActiveCN106787707BInput power real-time equalizationEliminate impacts from normal operationBatteries circuit arrangementsDc-dc conversionFull bridgePhotovoltaic arrays
The invention provides an embedded energy storage type multi-module series-connected photovoltaic DC boost converter and an application method, comprising a plurality of photovoltaic DC boost converter sub-modules connected in series in sequence, and the photovoltaic DC boost converter sub-module includes: Hybrid energy storage modules, isolated full-bridge DC‑DC circuits, bidirectional buck-boost converters, and photovoltaic arrays; hybrid energy storage modules are used to balance the power output of photovoltaic DC boost converter sub-modules; isolated full-bridge DC‑ The DC circuit is used to achieve boost and maximum power point tracking; the bidirectional boost / buck converter is used to control the output power of the hybrid energy storage module. The system in the present invention can fundamentally eliminate the influence of input power mismatch on the normal operation of the photovoltaic DC boost converter, without setting a low-voltage DC bus, and at the same time enhance the reliability of the system and facilitate the isolation of internal faults; It is convenient for system maintenance and improves the overall control response speed under special circumstances of the power station.
Owner:SHANGHAI JIAOTONG UNIV

Method for removing under-eye puffiness without trace

The invention discloses a method for removing eye pouches without traces, and relates to the technical field of facial beautification. The method comprises a surgical method and a nursing method. The surgical method comprises the following steps: step 1, anesthetizing a surgical position, turning over a lower eyelid during operation, and injecting anesthetic on a conjunctival surface of the lower eyelid; 2, after the anesthetic takes effect, a conjunctival transverse incision is formed in the middle section of the lower tarsal plate; 3, fat globules at the pouch positions are found out and cut off; 4, hemostasis is carried out through electric coagulation; 5, gauze covering is conducted after the operation, and cold compress is conducted through an external ice bag; the nursing method comprises the following steps: Step 6: pre-sleep hot compress: enabling blood circulation around eyes to be smooth, eliminating generation conditions of eye puffiness from the source, and cold compress after awakening to help to fighter the eye puffiness quickly; and step 7, removing the eye puffiness through eye movement. According to the method for removing the under-eye puffiness in the traceless mode, the under-eye puffiness is removed in an operation excision or massage nursing mode, matching adaptation is carried out according to the actual generation principle of the under-eye puffiness or the requirements of a patient, the requirement satisfaction degree is higher, and the operation adaptability is higher.
Owner:大连绚素医疗美容诊所有限公司

Cherry planting greenhouse and cherry planting method

The invention discloses a cherry planting greenhouse and a cherry planting method, and relates to the technical field of fruit tree planting.The cherry planting greenhouse comprises ceilings and supporting frames, the lower ends of the ceilings are connected with the supporting frames, the number of the ceilings is two, a first roller shaft is connected between the two ceilings, daylighting openings are formed in the surfaces of the ceilings, and movable windows are installed on the outer sides of the daylighting openings; a second roller shaft is connected to one side of the movable window, the side surface of the second roller shaft is connected with the daylighting opening, a solar heat collection plate is installed on the surface of the movable window, a second telescopic support is connected to the bottom end of the solar heat collection plate, and the bottom end of the second telescopic support is connected with the movable window; the surface of the supporting plate is connected with a diversion trench; according to the cherry planting greenhouse, the unfolding area of the ceiling is adjusted through the first roller shafts in the middle section, the supporting plates are transversely supported through the telescopic supporting rods, the installation height of the supporting frames is adjusted, and operation flexibility and controllability are high.
Owner:肥东县金禾天润农业发展有限公司

Anti-seismic structure and anti-seismic method for gyro measurement while drilling

The invention relates to an anti-seismic structure and an anti-seismic method for gyro measurement while drilling, and relates to the field of underground azimuth measurement while drilling. A second section cylinder is internally provided with a section cylinder inner cavity, the lower end of a damping spring is fixedly connected with the bottom surface of the section cylinder inner cavity, a hanging plate is slidably connected with the side wall of the section cylinder inner cavity, and the bottom surface of the hanging plate is connected with a falling block through a hanging line; the bottom face of the falling block abuts against the upper end of the damping spring, the hanging plate is used for installing a gyro measuring instrument, the damping limiting blocks are detachably connected with the side wall of the inner cavity of the section cylinder, and the two sets of damping limiting blocks are located on the upper side and the lower side of the hanging plate respectively and abut against the hanging plate. The device has the beneficial effects that the falling block is additionally arranged below the hanging plate for mounting the gyro measuring instrument for counterweight, so that the stability of the hanging plate is enhanced. A damping spring and a damping limiting block are used for buffering and protecting the falling block and the hanging plate, so that the stability and damping of the gyro measuring instrument are realized, the measuring precision of the gyro measuring instrument is ensured, and measurement while drilling can be realized. The anti-seismic structure is simple and convenient to repair and maintain.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2

Multi-functional mixed transportation pump

The invention relates to the technical field of petroleum mechanical equipment, and particularly discloses a multi-functional mixed transportation pump. The multi-functional mixed transportation pumpis characterized in that the multi-functional mixed transportation pump includes a pump cylinder, a pump shaft, a sucking head and a discharging head, wherein the lower end of the pump cylinder is connected with the sucking head, the upper end of the pump cylinder is connected with the discharging head, a pump cylinder cavity is internally and sequentially provided with a guide wheel and an impeller from the top to the bottom, the lower end surface of the guide wheel is attached to the lower end surface of the impeller, shaft holes matched with the pump shaft are correspondingly formed in thesucking head, the discharging head, the impeller and the guide wheel, the pump shaft penetrates in the pump cylinder cavity along the axial line of the pump cylinder, and penetrates through the shaftholes of the sucking head, the guide wheel, the impeller and the discharging head, the pump shaft is fixedly connected with the impeller, and moving gaps are correspondingly reserved between the shaftholes of the sucking head, the guide wheel and the discharging head and the shaft. The multi-functional mixed transportation pump has the function of multiphase flow or mixed transportation of high viscosity liquid, liquid mediums with high viscosity, high temperature, high solid content or rich in gas can be better transported, phenomena of blocking, cavitation erosion and gas locking are eliminated to maximum extent, and the multi-functional mixed transportation pump has the characteristics that operational adaptation is high, reliability is high, the pump efficiency is high, and energy saving is achieved.
Owner:SHENGLI OIL FIELD HIGHLAND GASOLINEEUM EQUIP

Emergency automatic diffusing device for gas chamber

The invention discloses an emergency automatic diffusing device for a gas chamber. The emergency automatic diffusing device is characterized by comprising an emergency diffusing pipe which is provided with a rain-proof cap on the top, wherein an opening / closing valve body with a piston inside is arranged on one side of the emergency diffusing pipe; the piston is connected with a sealing plate forenclosing the emergency diffusing pipe; a travel switch valve body is arranged above a gas chamber piston, and is provided with cavities for accommodating a first travel switch valve plunger piston and a second travel switch valve plunger piston respectively; the top of each travel switch valve plunger piston is provided with an elastic device; and each travel switch valve plunger piston can moveup and down in the cavities, and is in hermetic seal with cavity walls. The emergency automatic diffusing device is safe and reliable, can adapt to a gas chamber with a high pressure, and can be wellsealed and opened / closed no matter how high the coal gas pressure is. Due to the adoption of the emergency automatic diffusing device, the running adaptability of the piston is greatly enhanced, the service life of the gas chamber is prolonged, and the service life of a hermetic rubber film is prolonged.
Owner:CISDI ENG CO LTD
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