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100results about How to "No need to worry about damage" patented technology

Well-killing workover method used with water plugging

InactiveCN105041261AFew componentsSimple on-site configurationDrilling compositionSealing/packingPolymer gelOil well
The invention discloses a well-killing workover method used with water plugging. The well-killing workover method sequentially comprises the following steps of (1) calculating the use level of required well-killing fluid according to volume of a shaft; (2) determining the density of the well-killing fluid according to formation pressure; (3) determining polymer gel formula which is not easy to degrade in an operation period at formation temperature according to the formation temperature, or determining a gel particle type matched with the size of a pore throat according to characteristics of porosity-permeability of a reservoir; (4) preparing polymer gel or gel particle liquor; and (5) pumping the well-killing fluid into the shaft to perform underground construction operation. By the well-killing workover method, thinking limitation that temporary plugging or lost circulation prevention is often used to recover capacity in existing well-killing workover is overcome, the polymer gel or gel particles with a selective water plugging function serves as the well-killing fluid, two yield increasing technologies comprising oil well water plugging and reservoir temporary plugging protection are combined, a synergistic effect of the two yield increasing technologies is achieved, the capacity after workover of an oil well is improved to a maximum extent, and the well-killing workover method has a wide application prospect in the field of workover of intermediate-high water cut oilfields.
Owner:SOUTHWEST PETROLEUM UNIV

Trigger-type benthal deposit sampling device

ActiveCN106979868ANo need to worry about damageRealize the sealing actionWithdrawing sample devicesEngineering
The invention belongs to the field of sampling equipment and discloses a trigger-type benthal deposit sampling device. The trigger-type benthal deposit sampling device comprises a rack, a trigger combination mechanism and a sampling mechanism, wherein the trigger combination mechanism comprises a force storage mechanism and a trigger mechanism; the force storage mechanism comprises a first shell, a force storage spring, a hand wheel, a force storage rocker, a gear and a rack; the trigger mechanism comprises a second shell and a first limiting mechanism; the sampling mechanism comprises a sampling tube, a connecting rod mechanism, a sealing sheet and a second limiting mechanism; the sealing sheet is hinged with the sampling tube and is also hinged with the connecting rod mechanism for blocking the bottom end of the sampling tube; and the second limiting mechanism is arranged on the rack for limiting displacement of the connecting rod mechanism. Through cooperation of the force storage mechanism and the trigger mechanism of the sampling device, the sampling tube can penetrate into the water bottom for sampling and sampling is convenient; furthermore, the connecting rod mechanism can drive the sealing plate to rotate to seal the sampling tube, so that the sealing action can be accurately and effectively achieved and a user does not need to worry about the damage of a hard material to the sampling tube.
Owner:HUAZHONG UNIV OF SCI & TECH

Air conditioning box temperature linear testing equipment

The invention discloses air conditioning box temperature linear testing equipment which comprises a microprocessor and a power module. An open loop type servo motor drive module, a feedback type servo motor single-drive module and a stepping motor single-drive module are all connected with the microprocessor and are used for sending control signals to an actuator of a pattern air door or an actuator of a fresh air door; a feedback type servo motor duel-drive module and a stepping motor dual-drive module are both connected with the microprocessor and are used for sending control signals to an actuator of a single-temperature range temperature air door or an actuator of a dual-temperature range temperature air door; a left temperature air door actuator feedback voltage input module, a right temperature air door actuator feedback voltage input module and a pattern air door actuator feedback voltage input module or a fresh air door actuator feedback voltage input module are all used for outputting feedback voltage signals to the microprocessor. The air conditioning box temperature linear testing equipment can meet the control requirement of the air door of an air conditioning box, can also achieve the purpose of one machine for multiple purposes, and is better in generality and capable of effectively shortening the development period of the air conditioning box.
Owner:SOUTH AIR INT

Combined type lead-acid battery restorer

A combined type lead-acid battery restorer comprises a circuit board, a power supply, at least one resonant pulse unit, at least one discharge line unit, at least one microprocessor and an output unit. The power supply is arranged on the circuit board and is electrically connected to an external power supply, and supplies power to the circuit board. The at least one resonant pulse unit and the at least one discharge line unit are arranged on the circuit board. The at least one microprocessor is arranged on the circuit board, and the interior of the microprocessor is provided with a first procedure in advance, and the first procedure is a positive/negative frequency conversion pulse procedure. The output unit is provided with a positive electrode electric clamp and a negative electrode electric clamp, the positive electrode electric clamp is clamped on the positive electrode of a lead-acid battery with lead sulfate crystals, the negative electrode electric clamp is clamped on the negative electrode of the lead-acid battery with lead sulfate crystals, the lead-acid battery is detected by means of the microprocessor, and the resonant pulse unit and the discharge line unit output at least one positive/negative frequency conversion pulse through the output unit, the positive/negative frequency conversion pulse and the lead sulfate crystals in the lead-acid battery resonate, and therefore the lead sulfate crystals are crushed.
Owner:杨铭程

Photovoltaic generator

A photovoltaic generator includes a tree barrel, The upper and lower ends of the barrel are open, the top surface of the tree barrel is fixedly connected with the bottom surface of the support plate,A top surface of the support plate is hingedly connected to a bottom surface of a plurality of photovoltaic panels, Between that photovoltaic plate and the support plate there is an included angle alpha, Alpha=30-60 DEG, photovoltaic panels are parallel to each other, The distance between two adjacent photovoltaic panels is equal, a rack is arranged above the support plate, the rack is parallel tothe top surface of the support plate, a guide device based on the rack is fixedly installed on the top surface of the support plate, the rack can move horizontally along the guide device, the top surface of the rack is hingedly connected with the lower ends of a plurality of support rods, and the support rods correspond to the photovoltaic panels one by one. The invention has more natural flavorin the park and the artificial landscape, and is favorable for people to relax; Photovoltaic panels are located high through tree barrels and support panels, occupying very little space on the ground,which is more in line with the social market of every inch of land and every inch of gold in China, and the objects on the ground will not block photovoltaic panels, which is more conducive to the absorption and conversion of solar energy by photovoltaic panels.
Owner:欧阳剑

Deflection type working device structure of excavator and for tunnel

The invention discloses a deflection type working device structure of an excavator and for a tunnel. The deflection type working device structure comprises a bottom movable arm, movable arm oil cylinders, deflection oil cylinders, a deflection movable arm, bucket rod oil cylinders, a bucket rod, a bucket oil cylinder, an inner rocker, a rocker arm connecting rod, an outer rocker, an outer connecting rod and a bucket. The movable arm oil cylinders are connected with the bottom movable arm, the bottom movable arm is connected with the deflection movable arm, and the deflection oil cylinders are connected with the bottom movable arm and the deflection movable arm. The upper side of the front portion of the deflection movable arm is connected with the root of the bucket rod, the front portion of the bucket rod is connected with the bucket, and the bucket oil cylinder is connected to the deflection movable arm and the bucket rod. The bucket rod oil cylinders, the inner rocker and the rocker arm connecting rod are arranged inside the bucket rod. According to the deflection type working device structure of the excavator and for the tunnel, a working device can be freely subjected to deflection, and no dead corner operation can be conducted; top operation is implemented in a barrier-free mode, arch shape-repairing operation can be conducted, and the phenomenon that operation cannot be achieved does not need to be worried; comprehensive protection design is achieved, and damage caused to special parts by falling objects does not need to be worried; whole machine transferring is more convenient and quick; and therefore, construction operation of the tunnel is more convenient, quick and efficient.
Owner:XCMG EXCAVATOR MACHINERY

Glazed floor board processing technology

The invention belongs to the field of floor board processing, and in particular relates to a glazed floor board processing technology which can reinforce performance of a floor board and endow the floor board with glazed senses. The glaze floor board processing technology comprises the following steps of: preparing a board blank of a floor board; painting elastic priming paint, abrasion-resistant priming paint and hardening priming paint on the board blank, obtained from the first step, of the floor board to obtain a board blank I of the floor board; and painting glaze paint on the prepared board blank I, obtained from the second step, of the floor board to obtain a glazed floor board, wherein the glaze paint comprises the components including neoprene, red lead, toluene, fumed silica, ethyl acetate, sulphur, composite resin, plasticizer, calcium carbonate, carbonic acid, boric acid, zirconium oxide, aluminum powder, zinc oxide, curing agent, titanium white, rare earth, light magnesium oxide and magnesium carbonate. The adhesive force of the glaze paint prepared by the invention to common woodware can reach level 1; and the surface of the prepared floor board is of a ceramic glaze shape, the number of abrasion resistance turns of the floor board reaches 10,000 above, and the weather resistance of the floor board is improved greatly.
Owner:如东文园投资开发有限公司

Full-electrical propulsion simulative training device for pod type ship

InactiveCN104050843AHealth Monitoring ModificationsAdvancing Quantitative RelationshipsCosmonautic condition simulationsSimulatorsElectric machineryFrequency changer
The invention relates to the technical field of training and teaching of the fields of shipping, shipbuilding and the like, in particular to a full-electrical propulsion simulative training device for a pod type ship. The full-electrical propulsion simulative training device for the pod type ship is composed of a double-pod model, a transducer control cabinet, a local operating board, a centralized control console and a driving console. The double-pod model mainly comprises two propulsion cabins which can rotate by 360 degrees. Propellers located outside the cabins are driven by propulsion motors arranged in the cabins. The propulsion motors and rotation motors are both controlled by the transducer control cabinet. The transducer control cabinet controls pods to operate by receiving control commands of the local operation board, the centralized control console and the driving console, wherein connection is conducted through an industrial control network. By the adoption of the full electrical propulsion simulative training device for the pod type ship, through virtual simulation of real objects, the requirements for training of operation and maintenance management of a pod type full electrical propulsion system of the marine engineering specialty, the ship electronic and electrical specialty and the like are met; the appearance and the human-machine interaction logics of the simulative training device are completely identical with the appearance and the human-machine interaction logics of a real ship device, and therefore the operation effect is identical with that of a real ship; in addition, a user does not need to worry about damage, caused by misoperation, to the device.
Owner:NANTONG SHIPPING COLLEGE

Vessel high-voltage power station simulative training device

The invention provides a vessel high-voltage power station simulative training device and relates to the technical field of training teaching in the fields such as shipping and shipbuilding. A high-voltage distributing board is connected with a power supply and distribution operation station, and an industrial control network is used for connection. The high-voltage distributing board is provided with a high-voltage distributing screen, a low-voltage distributing screen and an emergency power distributing screen, wherein the high-voltage distributing screen comprises four rows of diesel generator control screens, a row of synchronization screens, two rows of side push starting screens, two rows of electric propulsion motor power distributing screens, two rows of general transformer power distributing screens and a row of buscouple screens. The low-voltage distributing screen comprises a row of synchronization screens, four rows of combined starting screens, four rows of AC 440 V load screens, a row of AC 220 V load screens and two rows of IN-COMING screens. According to the vessel high-voltage power station simulative training device, the operation and maintenance management training of pod full electric propulsion systems for majors of marine engineering, vessel electronics and electrical engineering and the like can be met through real object virtual simulation, the effect the same with real vessel operation can be achieved, and the phenomenon that equipment is damaged due to misoperation does not need to be worried.
Owner:NANTONG SHIPPING COLLEGE

Soil conditioner and planting and transplanting method for southern peony flower

The invention discloses a soil conditioner and a planting and transplanting method for southern peony flower. The planting and transplanting method comprises the following steps: selecting plastic frames with different sizes according to the root sizes of the southern peony flower, wherein the plastic frames can be recycled; through waste utilization, the environmental protection is facilitated; the hole sizes of the plastic frames can be properly adjusted according to the root sizes of the flower, and some plastic frames can be used directly; placing the cleaned plastic frames on a land, andflatly spreading coal cinder in the frames; immersing roots of the southern peony flower in a sterilizing and disinfecting solution, taking out, airing, and putting into the plastic frames, wherein main roots are positioned in the plastic frames, fine roots run through holes and then stretch out of the plastic frames, and the southern peony flower is kept upright; covering the interiors of the plastic frames with the soil conditioner; filling the external parts of the plastic frames with the soil conditioner, wherein the external soil conditioner is required to cover the fine roots; compactingthe soil conditioner inside and outside the frames, so that the roots are in close contact with the soil conditioner; and when the southern peony flower needs to be transplanted, directly lifting theplastic frames. By the planting and transplanting method, achievement of cultivation of the southern peony flower is facilitated, the southern peony flower can be transplanted and planted at all seasons, the death rate during southern peony flower transplantation is greatly reduced and transplanting operation is facilitated.
Owner:台州市农业科学研究院

Wireless rechargeable portable juicing cup

The invention relates to the technical field of wireless power supply of juicing devices, in particular to a wireless rechargeable portable juicing cup. The wireless rechargeable portable juicing cup includes an upper cover body, a cup body, a cup holder and a wireless charging transmitting base, the cup holder is provided from top to bottom with a reamer, a motor assembly, a rechargeable battery and a wireless charging receiving device, the wireless charging transmitting base is internally provided with a wireless charging transmitting device, the wireless charging transmitting device converts electrical energy into magnetic energy and transmits the magnetic energy to the wireless charging receiving device, and the wireless charging receiving device receives the magnetic energy and converts the magnetic energy into the electrical energy and charges the rechargeable battery. The juicing cup adopts a wireless charging method to charge the rechargeable battery, charging is convenient, carrying is convenient during going out, meanwhile, a charging interface is arranged on the wireless charging transmitting base, the waterproof property of the cup holder is improved, when a user cleans the reamer or the cup body, removal separating of the cup body and the reamer or the cup holder does not need, the whole cup body and cup holder can be washed directly with water, and worry of water flowing from the charging interface into the interior and damaging internal devices does not need.
Owner:南京睿赫电子有限公司
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