30results about How to "Lifting balance" patented technology

The invention discloses a vertical lift road-crossing elevator. The vertical lift road-crossing elevator comprises a hollow elevator body, a lift car and a driving system, wherein the lift car and the driving system are arranged in the elevator body; the elevator body comprises a horizontal elevator body and two vertical elevator bodies; the horizontal elevator body and the two vertical elevator bodies are hollow; the horizontal elevator body is connected between the upper parts of the two vertical elevator bodies and is communicated with the two vertical elevator bodies; the driving system comprises a driving source and two dragging strip rings; the two dragging strip rings are rotationally arranged on the left side and the right side in the elevator body respectively and are connected with the left side and the right side of the lift car respectively; the dragging strip rings are arranged along the direction from the lower part of one vertical elevator body to the horizontal elevator body and to the lower part of the other vertical elevator body; the driving source is synchronously connected with the two dragging strip rings in a driving way. The vertical lift road-crossing elevator provided by the invention can lift and translate in the shape of letter n, so that a passenger can span over a road by the elevator, and the traffic efficiency and the safety can be improved.

The invention relates to the technical field of wood processing equipment, in particular to a wood board edge grinding machine. The wood board edge grinding machine comprises a box body, a conveying belt, an anti-off-tracking device and an edge grinding device. A feeding opening and a discharging opening are formed in the two ends of the box body correspondingly. The conveying belt penetrates thebox body, and the two ends of the conveying belt extend out of the feeding opening and the discharging opening correspondingly. The anti-off-tracking device comprises an anti-off-tracking bracket. Theanti-off-tracking bracket is provided with rolling wheels. By means of the anti-off-tracking device, materials can be precisely delivered into or out of the edge grinding device. By means of the edgegrinding device, edges of the materials can be ground, and in addition, the wood board edge grinding machine is applicable to the materials of different thicknesses. By means of the wood board edge grinding machine, the edges of quick clamping type wooden hangers can be ground, and in addition, the wood board edge grinding machine can be applicable to grinding of the clamping type wooden hangersof various specifications.

The invention discloses a quick installation process for shaft equipment, and belongs to the technical field of vertical well construction. The method comprises the following steps of: (1)installing ahanging system at a well mouth; (2) connecting the two-layer hanging disc with each other; (3) setting out and paying off; (4) lowering the bracket, the channel beam and the pipe beam and installingtwo layers; (5) installing communication signal cable; (6) lowering and installing the tank; (7) installing in sequence according to the steps of (3), (4), (5) and (6); (8)hanging a hanging rope hanging with the tank; (9) lowering and installing the two pipelines simultaneously, and lowering and installing the other two pipelines simultaneously; (10) laying the other cables and installing the horizontal operation vehicle equipment; checking for acceptance. Compared with the prior art, the quick installation process for shaft equipment has the advantages that the purpose of high-quality and high-efficiency is achieved, the operation is simple, the safety is quick, the construction quality is improved, and the production efficiency is accelerated; and the construction time is saved; the quick installation process for shaft equipment has the advantages of high speed and high safety, and avoids the process of changing the hanging disc, manufacturing the suspension cage, and lifting the lifting facilities for a plurality of times.

The invention discloses a Tibetan medicinal composition for treating respiratory tract disease as well as preparation and use methods thereof. Active ingredients of the Tibetan medicinal composition for treating respiratory tract disease are prepared from the following raw materials in parts by weight: 4-7 parts of purple bergenia herb, 1-3 parts of younghusband jerusalemsage root, 1-3 parts of artemisia scoparia and 1-3 parts of liquoric root. The Tibetan medicinal composition for treating respiratory tract disease can regulate lung qi, balance rise and fall and treat and prevent at the same time, can be prepared into an oral liquid preparation or a solid preparation, can be used for treating upper respiratory inflammation and symptoms such as nonproductive dry cough or cough with yellow phlegm, fever and dryness of mouth and nose due to lung dryness and lung heat, can clear lung-heat, moisten dryness, eliminate phlegm and stop cough, is stable in curative effect, is small in side effects, is convenient to take for a long time, has the characteristics of safety, high efficiency and treatment of qi and blood, is high in practicability, and is high in popularization and application values.

The invention relates to a sheep medicated bath cleaning apparatus. The sheep medicated bath cleaning apparatus comprises an upper opening, and a bath fence for holding sheep for medicated bath in a bath pond; hydraulic lifters for lifting the bath fence are symmetrically arranged on the two sides of the bath fence, and a gap is formed between the bath fence and each hydraulic lifter; the hydraulic lifters are arranged vertically and the lower ends of the hydraulic lifters are fixed on the ground, and hydraulic lifter ejector rods are coaxially mounted on the upper ends of the hydraulic lifters; the top of each hydraulic lifter ejector rod is fixedly connected to the middle position of a chain wheel shaft, chain wheels are mounted on the two ends of the chain wheel shaft, respectively, a chain is engaged with the chain wheels, and one end of the chain is connected to the hydraulic lifter ejector rod, while the other end of the chain is connected to the bath fence; the chain wheel shafts are driven by the hydraulic lifter and the hydraulic lifter ejector rods to ascend and descend so as to drive the chain wheels to rotate, and under the transmission of the chains, the bath fence is driven to ascend and descend in the bath pond to perform medicated bath cleaning on sheep. The sheep medicated bath cleaning apparatus is easy to operate, high in degree of mechanization, high in efficiency, safe to use, and in particular suitable for medicated bath cleaning on sheep in a large-scale raising region.

The invention relates to the technical field of wood processing equipment, in particular to a wood board edge grinding machine capable of collecting dust. The wood board edge grinding machine comprises a box body, a conveying belt, an anti-off-tracking device and an edge grinding device. A feeding opening and a discharging opening are formed in the two ends of the box body correspondingly. The conveying belt penetrates the box body, and the two ends of the conveying belt extend out of the feeding opening and the discharging opening correspondingly. The anti-off-tracking device comprises an anti-off-tracking bracket. The anti-off-tracking bracket is provided with rolling wheels. By means of the anti-off-tracking device, materials can be precisely delivered into or out of the edge grinding device. By means of the edge grinding device, edges of the materials can be ground, and in addition, the wood board edge grinding machine can be applicable to the materials of different thicknesses. Bymeans of the wood board edge grinding machine capable of collecting the dust, the edges of quick clamping type wooden hangers can be ground, and in addition, the wood board edge grinding machine canbe applicable to grinding of the clamping type wooden hangers of various specifications.

The invention discloses a quick installation process for shaft equipment, and belongs to the technical field of vertical well construction. The method comprises the following steps of: (1)installing ahanging system at a well mouth; (2) connecting the two-layer hanging disc with each other; (3) setting out and paying off; (4) lowering the bracket, the channel beam and the pipe beam and installingtwo layers; (5) installing communication signal cable; (6) lowering and installing the tank; (7) installing in sequence according to the steps of (3), (4), (5) and (6); (8)hanging a hanging rope hanging with the tank; (9) lowering and installing the two pipelines simultaneously, and lowering and installing the other two pipelines simultaneously; (10) laying the other cables and installing the horizontal operation vehicle equipment; checking for acceptance. Compared with the prior art, the quick installation process for shaft equipment has the advantages that the purpose of high-quality and high-efficiency is achieved, the operation is simple, the safety is quick, the construction quality is improved, and the production efficiency is accelerated; and the construction time is saved; the quick installation process for shaft equipment has the advantages of high speed and high safety, and avoids the process of changing the hanging disc, manufacturing the suspension cage, and lifting the lifting facilities for a plurality of times.

The invention relates to a sheep medicated bath cleaning apparatus. The sheep medicated bath cleaning apparatus comprises an upper opening, and a bath fence for holding sheep for medicated bath in a bath pond; hydraulic lifters for lifting the bath fence are symmetrically arranged on the two sides of the bath fence, and a gap is formed between the bath fence and each hydraulic lifter; the hydraulic lifters are arranged vertically and the lower ends of the hydraulic lifters are fixed on the ground, and hydraulic lifter ejector rods are coaxially mounted on the upper ends of the hydraulic lifters; the top of each hydraulic lifter ejector rod is fixedly connected to the middle position of a chain wheel shaft, chain wheels are mounted on the two ends of the chain wheel shaft, respectively, a chain is engaged with the chain wheels, and one end of the chain is connected to the hydraulic lifter ejector rod, while the other end of the chain is connected to the bath fence; the chain wheel shafts are driven by the hydraulic lifter and the hydraulic lifter ejector rods to ascend and descend so as to drive the chain wheels to rotate, and under the transmission of the chains, the bath fence is driven to ascend and descend in the bath pond to perform medicated bath cleaning on sheep. The sheep medicated bath cleaning apparatus is easy to operate, high in degree of mechanization, high in efficiency, safe to use, and in particular suitable for medicated bath cleaning on sheep in a large-scale raising region.

The invention discloses a special lifting appliance for an inner top cover of a power station unit and a lifting method of the special lifting appliance. The special lifting appliance comprises a plurality of lifting lugs fixed on the inner top cover of the power station unit, wherein each lifting lug comprises an outer lifting lug used for being arranged on an outer ring frame of the inner top cover and an inner lifting lug used for being arranged on an inner ring frame of the inner top cover; each outer lifting lug comprises an outer arc-shaped base plate matched with the outer ring frame, an outer lug plate which is longitudinally arranged is fixedly connected to the middle of the outer arc-shaped base plate, each lifting lug comprises an inner arc-shaped base plate and an inner lug plate, lifting holes are formed in the outer lug plate and the inner lug plate, and bolt holes matched with the outer ring frame and the inner ring frame of the inner top cover are formed in the outer arc-shaped base plate and the inner arc-shaped base plate. A structure of the inner top cover at the top of the unit is connected by virtue of a fitted bolt so as to form the special lifting appliance; the special lifting appliance is simple in structure, and flexible and convenient to install on a site; selection and inspection workloads of hoisting and suspending points can be greatly reduced, and the hoisting process is balanced, safe and reliable.

The invention relates to a traditional Chinese medicine composition for treating high blood pressure, high blood lipid and high blood sugar. The traditional Chinese medicine composition for treating high blood pressure, high blood lipid and high blood sugar comprises the following ingredients of abalone shells, haematitum, semen cassiae, rhizoma gastrodiae, white peony roots, fleeceflower roots, Chinese wolfberry fruits, rhizoma polygonati, rhizoma chuanxiong, radix salviae miltiorrhizae, cortex moutan, pseudo-ginseng, radix codonopsis, poria cocos, dried orange peel, haws, radix astragali, radix puerariae and radix achyranthis bidentatae. The traditional Chinese medicine composition provided by the invention is a purely traditional Chinese medicine preparation product, and is a recipe fortonifying the liver and kidney and nourishing yin for suppressing hyperactive yang as a treatment principle in accordance with etiology and pathogenesis as well as clinical characteristics of a primary disease based on understanding of Chinese medical science on the primary disease, reinforcing kidney fluid is used as an objective, the kidney fluid can nourish liver wood, liver yang is restricted, YANG hyperactivity is not generated, and functional activity of qi rises and falls to be balanced; and the traditional Chinese medicine composition for treating high blood pressure, high blood lipidand high blood sugar is unique in formula, high in cure rate, low in recurrence rate, high in stability, free from toxic and side effects and capable of treating both manifestation and root cause ofdiseases, after taking the traditional Chinese medicine composition for treating high blood pressure, high blood lipid and high blood sugar, a patient does not have adverse reactions of complications,recurrence and the like, and the traditional Chinese medicine composition for treating high blood pressure, high blood lipid and high blood sugar is suitable for appearing on the market for promotion.

The invention relates to a protective film cutting device and aims to solve the problems that accidental touch results in scraping when a protective film is cut traditionally, unnecessary waste is caused, and film pasting efficiency is low. The device comprises a frame and a tensioning mechanism located on the frame, and a vertical moving mechanism is arranged between the frame and the tensioning mechanism and is fixedly connected to the frame and the tensioning mechanism; the tensioning mechanism comprising a moving plate and electrical heating wires, double-rod cylinders are arranged on the upper side of two ends of the moving plate, a copper bar is arranged at one end of the piston of each double-rod cylinder, and the electrical heating wires are fixedly connected to the copper bar; the vertical moving mechanism comprises a lifting cylinder and a linear guide rail pair, the lifting cylinder and one end of the linear guide rail pair are fixedly connected to the frame, and the other end is fixedly connected to the moving plate of the tensioning mechanism.

The invention relates to a protective film cutting device and aims to solve the problems that accidental touch results in scraping when a protective film is cut traditionally, unnecessary waste is caused, and film pasting efficiency is low. The device comprises a frame and a tensioning mechanism located on the frame, and a vertical moving mechanism is arranged between the frame and the tensioning mechanism and is fixedly connected to the frame and the tensioning mechanism; the tensioning mechanism comprising a moving plate and electrical heating wires, double-rod cylinders are arranged on the upper side of two ends of the moving plate, a copper bar is arranged at one end of the piston of each double-rod cylinder, and the electrical heating wires are fixedly connected to the copper bar; the vertical moving mechanism comprises a lifting cylinder and a linear guide rail pair, the lifting cylinder and one end of the linear guide rail pair are fixedly connected to the frame, and the other end is fixedly connected to the moving plate of the tensioning mechanism.

The invention provides an agricultural greenhouse sprinkler irrigation device and relates to the technical field of agricultural greenhouse sprinkler irrigation. The agricultural greenhouse sprinklerirrigation device comprises a sliding chute rack, wherein a top part of the sliding chute rack is provided with a slide way, an inner part of the slide way is movably connected with a slide plate, a capstan is fixedly mounted on a top part of the slide plate, a strand cable is arranged in a connecting rod, a support rack is fixedly mounted on a bottom end of a limiting inner rod, a fixed rod and an elevating outer rod are fixedly mounted on a bottom part of the support rack, and a first sprinkler irrigation rod is fixedly mounted on a bottom end of the fixed rod. The agricultural greenhouse sprinkler irrigation device is convenient to use, adjust and maintain and is large in sprinkler irrigation scope and high in stability; via cooperation between the capstan and the strand cable, an elevating function can be fulfilled; via rotatability of a second sprinkler irrigation rod, sprinkler irrigation work can be done at different angles; via the elevating function, the device can be moved toa position which can be controlled by workers, maintenance and adjustment can be performed conveniently, flexibility of greenhouse sprinkler irrigation is improved, and effects are enhanced.

The present invention discloses a bridge-type vertical elevator comprising an elevator body, an elevator car configured on the inside of the elevator body, and a driving system. The elevator body comprises a horizontal elevator body and two vertical elevator bodies, the horizontal elevator body is connected to upper parts of two vertical elevator bodies and communicates with the two vertical elevator bodies. The driving system comprises a driving source, and two traction strip-rings which are rotatably configured at left and right sides of the inside of the elevator body, and are connected to left and right sides of the elevator car. The traction strip-rings are arranged from a bottom of one of the vertical elevator bodies to the horizontal elevator body then to a bottom of the other one of the vertical elevator bodies, and the driving source drives two traction strip-rings simultaneously. The bridge-type vertical elevator can run vertically and horizontally in a II-shaped route, thus pedestrians can be across over the road by taking the elevator, whereby the efficiency and safety are improved.

The invention relates to a hoisting device for building plates with asymmetric structures and a hoisting method. A hoisting assembly is in transmission connection with one side of a cargo boom rotationally arranged on one side of a supporting arm at the top of an engineering van, and an adjusting assembly is in transmission connection with one side of a hoisting plate below one side of the supporting arm. A fixing block is slidably mounted at the bottom of a hoisting lifting lug which is slidably mounted on one side of the hoisting plate, a pushing assembly is arranged in the fixing block, a middle plate is fixedly mounted on the inner wall of the bottom of a cavity in an adjusting chamber at the bottom of the fixing block, and a fixing groove is formed in one side of the middle plate. A moving assembly is in transmission connection with the sides, close to each other, of two sliding plates which are slidably mounted on the inner wall of the bottom of the cavity, the sides, away from each other, of the two sliding plates are fixedly provided with two adjusting plates, and the sides, away from each other, of the two adjusting plates penetrate through the inner walls of the two sides of the cavity correspondingly and extend to the two sides of the adjusting chamber. The problems that most hoisting supports on an existing asymmetric building plate hoisting device are fixed, the structural form is simple, the adjusting function is not achieved, and the application range is limited are solved.

The invention relates to the technical field of building construction, in particular to a traction positioning device for concrete conveying used in building construction, which includes a protective frame, a fixing plate is arranged on the outer wall of the protective frame, and a liquid separation box is installed on the top surface of the protective frame. The outer wall of the liquid box is plugged with a dispensing tube, the dispensing tube is fixed on the inner wall of the protective frame, the bottom end of the liquid dispensing tube is inserted into a liquid storage tank, and the liquid storage tank is fixed on the inner wall of the protective frame; beneficial effects It is: the traction and positioning device for concrete transportation proposed by the present invention is equipped with an infrared detection head inside, and an infrared sensing part is installed on the pulling chain with the help of a fixing plate, and the infrared sensing head will feedback when it senses the infrared sensing part. The driving equipment of the brake winding column continues to rotate, and infrared sensing parts are installed on the pulling chain at intervals of the floor according to the floor height, so that the storage barrel can accurately stay at the floor height where the high-altitude workers are, and it is convenient for the workers to take it out. material.

The invention relates to the technical field of building construction, in particular to a traction positioning device used for concrete transportation and used in building construction. The traction positioning device includes a protective frame, a fixed plate is arranged on the outer wall of the protective frame, a liquid separation box is installed on the top surface of the protective frame, a liquid separation pipe is inserted into the outer wall of the liquid separation box, the liquid separation pipe is fixed on the inner wall of the protective frame, the bottom end of the liquid separation pipe is inserted into a liquid storage box, and the liquid storage box is fixed to the inner wall of the protective frame. The traction positioning device has the beneficial effects that an infrared detection head is additionally arranged inside the traction positioning device used for concrete transportation and used in building construction, infrared sensors are installed on a traction chainby means of a fixed plate, when the infrared detection head senses the infrared sensors, feedback is carried out to enable driving equipment for braking a winding column to continuously rotate, the infrared sensors are installed on the traction chain every a certain floor distance according to the storey height of the floor, and therefore a storage barrel can be accurately stopped at the height ofthe floor where an aerial worker is located, and the worker can conveniently take materials.

The invention discloses a power station unit top cover lifting appliance and a lifting method thereof. The power station unit top cover lifting appliance comprises a plurality of sections of arc-shaped base plates which are continuously hinged with one another, each arc-shaped base plate is provided with a bolt hole used for being matched with an outer ring frame or inner ring frame of a top cover, an ear plate is arranged on each arc-shaped base plate and provided with a lifting hole, a shackle is arranged on the lifting hole and provided with a steel wire rope being hooked on a hook. The special lifting appliance is used by connecting the lifting appliance with the top cover structure at the top of the unit by matching of the bolt, the lifting appliance is simple in structure, flexible and convenient for on-site installation, especially applicable to various sizes of top covers, thus, the selection of lifting points and check workload can be greatly reduced, and the lifting process is balanced, safe and reliable.

The invention provides a drill bit guide sleeve device of a precise drilling machine. The device comprises a machine head, a machine head mounting base, a motor, a cutter beating device, a guide sleeve and a guide sleeve lifting driving device; the guide sleeve lifting driving device comprises a connecting piece, a first lifting module and a second lifting module; the first lifting module is arranged on the left side of the machine head; the second lifting module is arranged on the right side of the machine head; a mounting hole for mounting the guide sleeve is formed in middle of the connecting piece; the guide sleeve is mounted in the mounting hole; the guide sleeve comprises a gland, a first guide sleeve, a transition sleeve and a second guide sleeve; the second guide sleeve is mountedat the bottom of the first guide sleeve after sleeving the transition sleeve; and after the gland sleeves the lower part of the second guide sleeve, the second guide sleeve is mounted at the bottom ofthe first guide sleeve. Through use of two-edge stressing, the device achieves better vibration resistance, greatly improves the drill bit stability, is suitable for two different chip drilling modes, greatly reduces the replacement time of the guide sleeve of the precise drilling machine, and reduces the cost.

The invention discloses a cooker cover of an electric cooker and the electric cooker. The cooker cover of the electric cooker comprises a cover body, a steam valve and elastic connecting pieces, wherein the cover body is provided with steam valve groove and air vents communicating with the steam valve groove; the steam valve is arranged in the steam valve groove, and the lower side of the steam valve is adaptive to the air vents in a sealed mode; the elastic connecting pieces are arranged in the steam valve groove, so that the steam valve and the cover body are connected; the elastic connecting pieces are compressed and then are recovered from deformation when the steam valve is applied with external force and the external force is removed, so that the steam valve is pushed to get separated from the cover body and pops up from the interior of the steam valve groove along a vertical direction of the steam valve, wherein the two elastic connecting pieces are arranged; the position of theprojection of the gravity center part of the steam valve in a horizontal plane of the two elastic connecting pieces is located on a connecting line of the two elastic connecting pieces and the steamvalve is located between the two elastic connecting pieces. According to the cooker cover and the electric cooker provided by the invention, the steam valve can be mounted and dismounted conveniently;and moreover, stable popping-out of the the steam valve is guaranteed.

The invention discloses an infrared touch display. When an infrared touch screen works, a frame ascends and / or a touch screen body descends to enable the front of the touch screen body to be positioned below a light outgoing face of an infrared touch component; when the infrared touch screen stops working, the frame descends and / or the touch screen body ascends to enable the front of the touch screen body and the front of the frame to be on a same plane. When the infrared touch display does not use a touch function, no protrusion exists on the surface of the infrared touch display, so that purely-flat effect is realized truly.

The invention discloses a special lifting appliance for an inner top cover of a power station unit and a lifting method of the special lifting appliance. The special lifting appliance comprises a plurality of lifting lugs fixed on the inner top cover of the power station unit, wherein each lifting lug comprises an outer lifting lug used for being arranged on an outer ring frame of the inner top cover and an inner lifting lug used for being arranged on an inner ring frame of the inner top cover; each outer lifting lug comprises an outer arc-shaped base plate matched with the outer ring frame, an outer lug plate which is longitudinally arranged is fixedly connected to the middle of the outer arc-shaped base plate, each lifting lug comprises an inner arc-shaped base plate and an inner lug plate, lifting holes are formed in the outer lug plate and the inner lug plate, and bolt holes matched with the outer ring frame and the inner ring frame of the inner top cover are formed in the outer arc-shaped base plate and the inner arc-shaped base plate. A structure of the inner top cover at the top of the unit is connected by virtue of a fitted bolt so as to form the special lifting appliance; the special lifting appliance is simple in structure, and flexible and convenient to install on a site; selection and inspection workloads of hoisting and suspending points can be greatly reduced, and the hoisting process is balanced, safe and reliable.

The invention belongs to the field of the foundry industry, and particularly relates to a sand core hanging nose fixing structure and a use method thereof. The sand core hanging nose fixing structurecomprises a fixing base and a positioning structure. The fixing base is used for fixing a hanging nose. The positioning structure is connected with the fixing base in a lap joint manner or a fixed manner. The positioning structure is installed on a sand core mold. A groove is formed in the end face, opposite to the end face connected with the positioning structure, of the fixing base in a concavemanner. At least one installation hole is formed in the inner wall of the bottom of the groove. A magnet is installed in each installation hole. The sand core hanging nose fixing structure is easy tooperate, easy to take out and high in universality.

The invention discloses an engineering material lifting device, and belongs to the technical field of constructional engineering. An engineering material lifting device comprises a support, a supporting table is arranged at the top end of the support, sliding rods are arranged at the front end and the rear end of the supporting table, a left guide rail and a right guide rail are arranged on the sliding rods, a first lifting arm is arranged on the left guide rail in a sliding mode, and a second lifting arm is arranged on the right guide rail in a sliding mode. The left guide rail and the right guide rail are controlled, the distance between the left guide rail and the right guide rail is adjusted, different widths of lifted objects are matched, and a balanced lifting state is provided; the first lifting arm and the second lifting arm can be used at the same time or independently, and different extension lengths can be controlled, so that the lifting position is further controlled, and the balance state is ensured.

The invention belongs to the amusement tool technical field, and specifically refers to an application method of a saucer warehouse containing metal flying saucers with negative weight; the method of removing the metal flying saucers with negative weight comprises the following steps: removing the metal flying saucers with negative weight and no helium chamber from the saucer warehouse, and moving the metal flying saucers with negative weight to a mounting place; then removing the helium chambers of negative weight from the saucer warehouse, and mounting the helium chamber into a helium chamber connecting mounting rod grid of the metal flying saucer; finally removing a human body weight helium chamber from the saucer warehouse, and mounting the human body weight helium chamber into the helium chamber connecting mounting rod grid of the metal flying saucer. The method of storing the metal flying saucers with negative weight is a reversed operation of the method of removing the metal flying saucers with negative weight. The method can solve the storage problems of the metal flying saucers with negative weight, thus satisfying the special requirements of the metal flying saucers with negative weight, so the saucer warehouse containing the metal flying saucers with negative weight can be optimized in functions.

The invention relates to a power transmission system and application thereof, in particular to a gas-liquid kinetic energy driven system and an oil pumping unit applying the same. The power driven system comprises a gas-liquid accumulator, an execution plunger cylinder, a plurality of reversing valves and a pressure pump, which form a driving oil way and an oil return way, and a closed loop consists of the driving oil way and the oil return way. The oil pumping unit adopts the driven system to drive an oil pumping rod to vertically move and can be folded. The power driven system saves energy resources and has high efficiency and good effects of low carbon and emission reduction, and the oil pumping unit has a simple structure, a small size, less easily-damaged mechanical parts and long service life. By the power driven system and the oil pumping unit, the technical problems that the power system in the prior art requires large motive power and has poor energy-saving effect, and the oil pumping unit is easily fatigue and damaged and has multiple faults are solved.

The invention relates to a variable-density screen pipe water control device applied to a deepwater gas reservoir, which comprises the following components: an L-shaped pipe comprising a vertical section and a horizontal section, the vertical section of the L-shaped pipe is connected with a hanger below an intermediate casing, and the horizontal section of the L-shaped pipe is connected with a plurality of variable-density screen pipe water control units connected in series; the variable-density screen pipe water control unit comprises external pipe packers and single-flow water control screen pipes which are sequentially and alternately arranged, and the single-flow water control screen pipe located at the tail end is connected with a guiding shoe. By adopting the hole density difference of different screen pipes, the seepage velocity of each production layer can be more flexibly and accurately controlled, the production pressure difference of each horizontal well section is balanced, balanced lifting of bottom water of each layer section is ensured, bottom water onrush is effectively inhibited, the development effect of the horizontal well is improved, and the recovery efficiency of an oil reservoir is improved.

The invention belongs to the amusement tool technical field, and specifically refers to an application method of a saucer warehouse containing metal flying saucers with negative weight; the method of removing the metal flying saucers with negative weight comprises the following steps: removing the metal flying saucers with negative weight and no helium chamber from the saucer warehouse, and moving the metal flying saucers with negative weight to a mounting place; then removing the helium chambers of negative weight from the saucer warehouse, and mounting the helium chamber into a helium chamber connecting mounting rod grid of the metal flying saucer; finally removing a human body weight helium chamber from the saucer warehouse, and mounting the human body weight helium chamber into the helium chamber connecting mounting rod grid of the metal flying saucer. The method of storing the metal flying saucers with negative weight is a reversed operation of the method of removing the metal flying saucers with negative weight. The method can solve the storage problems of the metal flying saucers with negative weight, thus satisfying the special requirements of the metal flying saucers with negative weight, so the saucer warehouse containing the metal flying saucers with negative weight can be optimized in functions.