32results about How to "Lift achieved" patented technology

The invention relates to the technical field of an ammunition hanging vehicle, and particularly discloses an unmanned electric remote-control intelligent ammunition carrier and hanging comprehensive support vehicle. The unmanned electric remote-control intelligent ammunition carrier and hanging comprehensive support vehicle comprises a movable chassis system, a translation lifting system, a pose adjusting system, a control drive system, an external wall touch signal and acoustic-optic alarming system, a remote controller and a power supply, wherein the movable chassis system comprises a left vehicle body framework, a right vehicle body framework and a middle connecting frame; the lifting translation system comprises a translation system and a lifting system; the pose adjusting system comprises a base, and a guide plate, a transverse translation plate, a longitudinal translation plate, a fixed plate and a carrier plate, which are successively disposed above the base; the control drive system adopts a direct-current driving-type control system; and the external wall touch signal and acoustic-optical alarming system comprises a controller, an ultrasonic radar detector, an absolute encoder, an IO module, a remote controller receiver, a voltage detector, an alarm and a remote controller. The comprehensive support vehicle has the advantages that an airdrop guide missile is adopted as a main hanging object, the missile is suitable for being embedded, the external hanging is also considered, the size is small, the operation is easy, and the adjustment is flexible.

The invention discloses a wheel lifting suspension system based on an intelligent AGV lifting perforating robot. The system comprises a wheel, a movable support, an air spring, a limiting block, a rotary shaft, a rotary block, an air cylinder, an upper fixing support, a linear guide rail and a lower fixing support. The system is compact in structure, the wheel can be driven to be safely and stablylifted, and the position of the wheel in the height direction can be conveniently and accurately controlled; and when a road surface is not even, a good buffering effect can be achieved as well.

The invention relates to a lifting system with a three-direction motion compensation function, and belongs to the technical field of ocean engineering. The lifting system comprises a main arm, a movable car I, a movable car II, a support base II, a supporting base I, a lifting mechanism and a ship body, wherein the front end of the main arm is mounted at the upper end of the movable car I, the rear end of the main arm is mounted at the upper end of the movable car II, the lower end of the movable car I is mounted on the support base I, and the lower end of the movable car II is mounted on thesupport base II. The support base II and the support base I are separately fixed to the ship body, rails I are installed on the two sides of the bottom at the front end of the main arm, and concave rails II are installed on the two sides of the rear end of the main arm. The movable car I and the movable car II synchronously act to drive the main arm to move forth and back; and the lifting mechanism driving a lifting object to move up and down is hinged to the front end of the main arm. By means of the lifting system, the three-direction motion and compensation function can be achieved, mechanical collision, positional deviation and the situations caused by rolling, pitching and heaving of the ship body can be effectively avoided, the applicability is wide, the lifting efficiency is high, and the comprehensive cost is low.

The invention provides a sleeve workbench for a convection section pre-fabricated workstation in order to solve the problems that in the prior art, sleeve storage and management are poor and the ex-warehouse efficiency is low. The sleeve workbench for the convection section pre-fabricated workstation comprises a sleeve library and sleeve clamps, wherein the sleeve clamps are arranged on stand columns, a beam is arranged on the stand columns, rails are arranged on the beam, the sleeve clamps are controlled by electromagnetic valves and arranged on the rails in a sliding mode, the sleeve library is composed of a sleeve material box and a sleeve lifting mechanism, the sleeve material box is of a welding box body structure, the bottom of the sleeve material box is a supporting bottom face, a plurality of sleeve guiding columns used for positioning sleeves are arranged in the sleeve material box and vertically arranged on the supporting bottom face which can move up and down in the vertical direction, the sleeve lifting mechanism is composed of a servo motor and a lead screw, and the upper portion of the lead screw is connected with the supporting bottom face. By means of the sleeve workbench for the convection section pre-fabricated workstation, the layers of sleeves can be made to go out of a warehouse, and meanwhile the sleeves can be managed and stored more conveniently.

The invention discloses an engine cylinder body lifting, rotating and conveying device. The engine cylinder body lifting, rotating and conveying device comprises a support, a plurality of foundation adjusting assemblies, a mounting plate, a plurality of lifting cylinders, a lifting plate, a plurality of supporting legs, a bearing lower mounting plate, a line body mounting base, a line body, a rotating cylinder mounting base, a rotating cylinder connector assembly and a rotating shaft assembly; the foundation adjusting assemblies are fixed below the support, and can adjust the height and the level of the support; the mounting plate is fixed above the support; the multiple lifting cylinders are mounted on the mounting plate, and the front end of a piston rod of each lifting cylinder is connected with a connector; the lifting plate is arranged above the mounting plate, the connectors are fixed to the lifting plate, and the lifting plate ascends and descends through pushing and pulling ofa plurality of guide rod assemblies and the lifting cylinders; and the bearing lower mounting plate is mounted above the supporting legs. Therefore, the engine cylinder body lifting, rotating and conveying device is simple and reasonable in structure, safe, reliable and high in working efficiency.

The invention relates to an underground gas-driven drainage pump and a gas-driven drainage method, and belongs to the technical field of oil and gas exploitation underground tools. A flow dividing block is arranged in a pump cylinder; a drainage pump shell is arranged at one end of the pump cylinder in a threaded mode, and a lower joint is arranged at the other end of the pump cylinder in a threaded mode; a stepped center hole is formed in the drainage pump shell, an inner joint is arranged in an upper port of the center hole in a threaded mode, and a valve element is arranged in the center hole below the inner joint; and a gas injection flow channel is axially formed in the position, on one side of the inner joint and the valve element, of the drainage pump shell, and a lifting flow channel is axially formed in the position, on the other side of the inner joint and the valve element, of the drainage pump shell. The drainage pump achieves lifting by directly transmitting ground pressure energy to liquid in a closed space, and has the characteristics of being high in lifting efficiency and low in energy consumption. Compared with the prior art, the underground gas-driven drainage pump has the advantages that the working reliability is high, the problem of gas locking in the working process is avoided, meanwhile, back pressure is not generated to the stratum, and the undergroundgas-driven drainage pump is particularly suitable for oil extraction of low-energy and low-yield wells.

The invention discloses an adjustable displacement screw sand-carrying lifting device and technology, wherein the device includes a driving system, a sucker rod, and a double-stage spiral ladder lifting system located in the horizontal section, and the driving system sucker rod It is connected with a two-stage spiral ladder lifting system, which includes a large-displacement all-metal internal helical stator, a small-displacement all-metal internal helical stator, and a two-stage external helical rotor. The metal internal helical stator and the small-displacement all-metal internal helical stator are axially connected into one body through the middle yield pipe. The left half of the two-stage external helical rotor is the large-displacement rotor end, and the right half is the small-displacement rotor. end. The invention utilizes the control system to control the surface drive system to perform rotational movement, and transmits the torque to the downhole double-stage spiral ladder lifting device through the sucker rod, and the lifting device lifts the production fluid in the oil layer to the ground through the oil pipe according to the displacement requirement. Realize high-efficiency sand-carrying lifting in the horizontal section under high temperature environment.

The invention belongs to the technical field of medical devices, and in particular relates to a spondylolisthesis resetter, which includes a handle and a support head, and an included angle is formed between the handle and the support head, and the included angle is 90°-145°. A handle and a second handle, the first handle is hinged to the second handle, the front ends of the first handle and the second handle are respectively provided with a first opening and a second opening, and the first opening includes a connecting rod and a lifting rod, so The rear part of the lifting rod is sheathed in the connecting rod, and the front end of the lifting rod and the front end of the second supporting head are both sheet-shaped, and the outer surfaces of both are provided with triangular teeth. The present invention can not only realize the distraction of the vertebral body, but also realize the lifting of the vertebral body. Unnecessary operations during the operation are greatly reduced, the operation time is saved, and the risk of the operation is greatly reduced.

The invention discloses a full-hydraulic short type cover moving machine which comprises a base framework fixed on a blast furnace casting house, wherein a lifting mechanism is arranged on the base framework; the lifting mechanism mainly comprises a lifting oil cylinder; the cover moving machine further comprises a travelling oil cylinder which is fixed on a travelling beam for driving the travelling beam to move on a frame; a hanger is arranged at the front end of the traveling beam; a channel cover is arranged on the hanger. The full-hydraulic short type cover moving machine disclosed by the invention is simple, efficient, safe and environment-friendly channel cover moving equipment, and is lifted (or descended) by the lifting oil cylinder arranged on the lifting mechanism, so that the lifting (or descending) of the frame, the travelling beam, the hanger and the channel cover is realized; reciprocating translation of the travelling beam, the hanger and the channel cover is realized by stretching-out and drawing-back of the travelling oil cylinder arranged on the travelling beam.

The invention discloses a textile lifting device, and belongs to the field of textile devices. The textile lifting device comprises a side plate, a dust collection box, a supporting plate, gears and first connecting rod mechanisms; the front side and the rear side of the lower surface of the supporting plate are each fixedly connected with the corresponding first connecting rod mechanism, and theother end of each first connecting rod mechanism is fixedly connected to the upper surface of a bottom plate; and a second connecting rod mechanism is fixedly connected to each of the front side and the rear side of the lower surface of the supporting plate. According to the textile lifting device, due to the fact that a motor, the gears and lifting mechanisms are arranged, the two lifting mechanisms can prop up doubling threads, so that lifting of the doubling threads is realized, the motor can drive one gear to rotate during working, and the lifting effect on the doubling threads can also bechanged by changing the overall positions of the lifting mechanisms; and by utilizing the effect of two-stage adjustment, the accuracy of lifting of the doubling threads is improved, so that the lifting degree more suitable for the doubling threads is achieved by adjustment, and the probability of doubling thread breakage is reduced.

The invention discloses a textile lifting device, which belongs to the field of textile devices, and comprises a side plate, a dust collecting box, a support plate, a gear and a first link mechanism, and the front and rear sides of the lower surface of the support plate are fixedly connected with a first A link mechanism, the other end of the first link mechanism is fixedly connected to the upper surface of the bottom plate, and the front and rear sides of the lower surface of the support plate are fixedly connected to the second link mechanism. The textile pulling device provided by the present invention is provided with a motor, a gear and a pulling mechanism, and the two lifting mechanisms can support the spinning thread, thereby realizing pulling the spinning thread. When the motor works, a gear can be driven to rotate, and the Changing the overall position of the pulling mechanism can also change the pulling effect of the spinning thread. By using the effect of two-stage adjustment, the accuracy of pulling the spinning thread is improved, so as to adjust the pulling degree that is more suitable for the spinning thread , to reduce the chance of yarn breakage.

The invention discloses a vehicle lifting device and a vehicle lifting platform. The vehicle lifting device comprises a frame, a driving mechanism and a jacking piece. The driving mechanism is fixedly connected with a border of the frame; the driving mechanism is used for driving the frame to ascend or descend; the jacking and supporting piece is fixedly arranged on the frame, and the jacking and supporting piece is arranged to be used for jacking and supporting bottom plates on the two sides of a vehicle when the frame is driven to ascend or descend, so that the vehicle ascends or descends; according to the invention, the lifting of the vehicle can be quickly and stably realized; and the structural design is reasonable, the space is saved, and the control logic is simple.

The invention belongs to the technical field of medical instruments and particularly relates to a lumbar spondylolisthesis reduction apparatus. The lumbar spondylolisthesis reduction apparatus comprises handles and distracting heads, and an included angle of 90-145 degrees is formed between the handles and the distracting heads. The handles include a first handle and a second handle, the first handle is hinged to the second handle, and a first distracting head and a second distracting head are arranged at front ends of the first handle and the second handle respectively. The first distractinghead comprises a connection rod and a lifting rod, the rear portion of the lifting rod sleeves the connection rod internally, the front end of the lifting rod and the front end of the second distracting head are both flaky, and outer lateral sides of the lifting rod and the second distracting head are provided with triangular teeth. By the lumbar spondylolisthesis reduction apparatus, both lumbardistracting and lifting can be realized, unnecessary operation in surgeries are reduced to a great extent, and accordingly surgical time is saved, and surgical risks are reduced sharply.

The invention discloses a folding and lifting device for a sweeper brush lifting frame. The folding and lifting device comprises a brush disc, a suction nozzle and two lifting frame supporting rods expanding towards the outer side of a vehicle body. One end of each lifting frame supporting rod is hinged to the vehicle body while the other end is hinged to a brush disc lifting swing arm device in front of the lifting frame supporting rods, and the brush disc is connected to the front end of the brush disc lifting swing arm device. The suction nozzle is positioned below the lifting frame supporting rods, a suction nozzle lifting swing arm device is connected between the suction nozzle and the lifting frame supporting rods, and a brush disc lifting driving device is hinged to the brush disc lifting swing arm device. A lifting frame separation and combination connecting device is connected between the two lifting frame supporting rods, and ends of the brush disc lifting driving device andthe lifting frame separation and combination connecting device are connected to the vehicle body. The folding and lifting device has advantages of simple structure, reasonable design, reliability in operation and the like, the sweeper vehicle body length and width range is narrowed, and accordingly trafficability of the sweeper in a narrow space is improved.

The invention discloses a storage battery articulated narrow roadway forklift, which comprises a forklift body, the forklift body is connected with a central bearing connecting plate, the central bearing connecting plate is connected with a rotary center bearing mechanism, and the rotary center bearing mechanism is connected by transmission There is a steering motor, an upper balance board is connected to the lower part of the slewing center bearing mechanism, the upper balance board is connected to a door frame connecting frame, an upper balance seat is provided at the bottom of the upper balance board, and an upper balance board is provided on the upper balance board. There are two inclined oil cylinders, and the two inclined oil cylinders are connected with a lifting mast mechanism, and a cargo fork is installed on the lifting mast mechanism; it also includes a front axle, and the front axle is connected with a front wheel. A lower balance board, the lower balance board is provided with a lower balance seat, and a fixed shaft is penetrated between the lower balance seat and the upper balance seat. The invention can carry goods flexibly, shortens the width of the channel, realizes the maximum storage space, realizes the steering at a large angle, and reduces the cost.

The invention provides a moving trolley and a drill rod conveying method thereof, and relates to the technical field of drill rod conveying, and can solve the problems of poor working environment and high labor intensity existing in manual carrying. The moving trolley comprises a trolley body, a rotating device and a lifting device, wherein the trolley body is installed on a track, the rotating device is fixed in the trolley body, the lifting device is fixed in the trolley body, the lifting device is located above the rotating device, the lifting device is connected with the rotating device, and the lifting device and the drill rod rotate along with the rotating device. The drill rod conveying method of the moving trolley depends on the moving trolley, through the synergistic effect of the trolley body, the lifting device and the rotating device, the drill rods are conveyed to the drill rod replacing position from the grabbing position of the selecting device, the drill rods are aligned with the connecting sleeves, and automatic carrying of the drill rods is achieved.

The invention relates to the technical field of ammunition loading vehicles and particularly discloses a lifting and horizontal moving system of an ammunition loading vehicle. The lifting and horizontal moving system of the ammunition loading vehicle comprises a horizontal moving system and a lifting system. The horizontal moving system comprises a horizontal moving vehicle body and an electric push rod. A moving gear engaged with a rack is arranged under the electric push rod. The lifting system comprises two sets of parallelogram connecting rod mechanisms and two pairs of lifting arms. The two sets of parallelogram connecting rod mechanisms are connected, and each set of parallelogram connecting rod mechanism comprises two rotary shafts and two connecting rods, wherein the rotary shaft located on the lower side is connected with the electric push rod. The two pairs of lifting arms are connected to the two ends of the two rotary shafts located on the upper sides correspondingly. The horizontal moving vehicle body comprises a chassis, a side support and front supporting rods, wherein the side support and the front supporting rods are located above the chassis. The lifting and horizontal moving system of the ammunition loading vehicle has the advantages that the horizontal moving system is simple in structure and stable in operation; and the parallelogram connecting rod mechanisms are adopted for the lifting system so that long-travel lifting can be achieved.

The invention discloses a dumper and a lifting control device thereof. The lifting control device comprises a lifting cylinder, a first reversing valve, a second reversing valve, a third reversing valve and a controller. When the controller receives a lifting instruction, the controller controls the second reversing valve to be switched from the right position to the left position, the air inlet connector is communicated with a control connector of the first reversing valve so as to control the first reversing valve to slide through the air inlet connector, the first reversing valve is switched from the middle position to the right position, oil enters the lifting cylinder, a piston rod extends outwards, and lifting is achieved. When the controller receives a falling instruction, the controller controls the third reversing valve to be switched from the right position to the left position, the air inlet connector is communicated with the control connector of the first reversing valve so as to control the first reversing valve to slide through the air inlet connector, the first reversing valve is switched from the middle position to the left position, the lifting cylinder returns oil, and falling is achieved. The lifting cylinder can be automatically controlled to ascend and descend, and operation is convenient.

The invention provides an eyelid lifting device and a preparation method thereof. The eyelid lifting device is used to attach to the patient's eyelid area to assist the eyelid lifting action. The device includes a wire (A), a thermostrictive body (B) and a flexible base (C). The flexible base (C) is in the form of a sheet, The wire (A) and the thermostrictive body (B) are arranged on the surface of the flexible substrate (C), the wire (A) is connected with the thermostrictive body (B) and used to supply power to the thermostrictive body (B), and the thermostrictive The body (B) can change the surface area and / or shape when the temperature changes, and further drive the flexible substrate (C) to deform. The eyelid lifting device according to the invention has simple structure and good therapeutic effect. According to the preparation method of the eyelid lifting device of the present invention, a portable eyelid lifting device that meets the size requirements and deformation design requirements can be prepared.

The invention discloses a self-lifting vehicle ladder. The self-lifting vehicle ladder is characterized in that two ends of a vehicle ladder lifting platform are provided with a pair of power rollers, the power rollers absorb power transmitted by driving wheels at the front part of a vehicle in the vehicle ladder to rotate, the rotating torque is transmitted to a worm gear through driving pinions, driving gearwheels, bevel pinions and big bevel gears, the torque is transmitted to climbing gears after the speed change of the worm gear, and the vertical movement of the vehicle ladder is realized due to the occlusion effect between the climbing gears and climbing racks. The self-lifting vehicle ladder is characterized in that rotatable cover plates are further assembled at the two ends of the lifting platform, reset springs are assembled on the cover plates, and the reset springs can enable the cover plates to be finally reset to the vertical state under the condition that external force is removed. The self-lifting vehicle ladder has the beneficial effects that the lifting force is generated by rotating power of the wheels of the vehicle, the vehicle can be lifted under the condition that external energy such as electric power is not needed, and the device is simple in structure, low in implementation cost and huge in application potential.

The invention discloses a multifunctional tunnel construction trolley. The multifunctional tunnel construction trolley comprises a chassis, a walking driving mechanism, a hoisting mechanism, a transporting mechanism, a lifting mechanism and a supporting leg mechanism, wherein a platform is arranged at the top of the chassis; the hoisting mechanism is arranged on the front surface of the chassis and is used for hoisting a steel arch; the transporting mechanism is arranged on the platform and is used for transporting the steel arch hoisted by the hoisting mechanism; the lifting mechanism is fixedly arranged on the transporting mechanism and is used for lifting a top arch to a mounting position; the supporting leg mechanism is arranged on the chassis and is used for regulating the position of the chassis; the walking driving mechanism is arranged at the bottom of the chassis and is used for driving the chassis to move. The multifunctional tunnel construction trolley can be applied to steel arch mounting, anchor bolt spraying and hole drilling operations, and can stimulate a steel arch manual mounting manner and a relative flow of the original simple trolley; the manual mounting manner is replaced with a mechanical mounting manner, no special requirement on the construction organization and the construction site exists, and operations are simple.

The invention discloses a lifting device for shaft products. By setting a gear box and a lifting plate, when in use, the shaft products are placed in a storage compartment, and a lifting power device is started to simultaneously drive the drive shaft of the cover plate and the lifting plate. Lifting the input shaft, the cover frame is covered on the storage compartment under the action of the cover drive shaft, which has the technical effect of fixing shaft products; the lift linkage mechanism drives the lift plate around the shaft under the action of the lift input shaft Rotate to raise one end of the lifting plate to the set height, so as to achieve the technical effect of lifting the shaft product to the set position. The invention also proposes a shaft product transfer device, which can not only realize the lifting and transfer of shaft products, but also can flexibly adjust the posture, and can be used in working scenarios such as nuclear radiation.

The invention provides a mechanical spiral lifting device which comprises a base and a lifting part, wherein a cylindrical containing space is formed in the base, and a screw thread is arranged on the inner wall of the base for defining the containing space; a rotatable rotation shaft driven bya transmission mechanism is arranged at the central position of the bottom of the base, and the lifting part is cylindrical and is telescopically arranged at the base; the rotation shaft extends into the lifting part and can drive the lifting part to rotate, and a screw thread matched with the screw thread on the inner wall of the base is arranged on the outer wall of the lifting part. The mechanical spiral lifting device realizes a lifting function through a mechanical transmission lifting structure. By a standardization and modularization design, the mechanical spiral lifting device can be used as a set of standardized and modularized lifting device to be applied to various lifting equipment, vehicles or machines. The mechanical spiral lifting structure can increase the lifting height and has a high lifting performance. As the mechanical spiral lifting structure is adopted, when multiple mechanical spiral lifting devices are jointly used, the synchronous lifting for objects can be realized, and the lifting stability is improved.

The invention provided oil extraction production string of a high vapor liquid ratio oil extraction well, through providing a foam rising device on an oil pipe, enables the foam rising agent to produce a large amount of foams to carry the crude oil of a well bottom, under the lifting action of the earth formation gas inside a pit shaft, lifts the crude oil upwards along the pit shaft to the ground. The pipe pillar fully utilizes the natural energy of inner earth formation gas, achieves the lifting of the crude oil of the well bottom, and avoids the problems of low pump efficiency and no fluid coming caused by the inner earth formation gas affecting the oil drawing pump in the oil extraction process of the rod pumping of normal oil pumping machine. Meanwhile the oil extraction pipe pillar can remove the oil pumping machine and the oil drawing pump and other installations, which lowers the investment costs, and provides a new means for the lifting of the oil extraction well.

The invention relates to the technical field of ammunition loading vehicles and particularly discloses a lifting and horizontal moving system of an ammunition loading vehicle. The lifting and horizontal moving system of the ammunition loading vehicle comprises a horizontal moving system and a lifting system. The horizontal moving system comprises a horizontal moving vehicle body and an electric push rod. A moving gear engaged with a rack is arranged under the electric push rod. The lifting system comprises two sets of parallelogram connecting rod mechanisms and two pairs of lifting arms. The two sets of parallelogram connecting rod mechanisms are connected, and each set of parallelogram connecting rod mechanism comprises two rotary shafts and two connecting rods, wherein the rotary shaft located on the lower side is connected with the electric push rod. The two pairs of lifting arms are connected to the two ends of the two rotary shafts located on the upper sides correspondingly. The horizontal moving vehicle body comprises a chassis, a side support and front supporting rods, wherein the side support and the front supporting rods are located above the chassis. The lifting and horizontal moving system of the ammunition loading vehicle has the advantages that the horizontal moving system is simple in structure and stable in operation; and the parallelogram connecting rod mechanisms are adopted for the lifting system so that long-travel lifting can be achieved.

The invention relates to the technical field of an ammunition hanging vehicle, and particularly discloses an unmanned electric remote-control intelligent ammunition carrier and hanging comprehensive support vehicle. The unmanned electric remote-control intelligent ammunition carrier and hanging comprehensive support vehicle comprises a movable chassis system, a translation lifting system, a pose adjusting system, a control drive system, an external wall touch signal and acoustic-optic alarming system, a remote controller and a power supply, wherein the movable chassis system comprises a left vehicle body framework, a right vehicle body framework and a middle connecting frame; the lifting translation system comprises a translation system and a lifting system; the pose adjusting system comprises a base, and a guide plate, a transverse translation plate, a longitudinal translation plate, a fixed plate and a carrier plate, which are successively disposed above the base; the control drive system adopts a direct-current driving-type control system; and the external wall touch signal and acoustic-optical alarming system comprises a controller, an ultrasonic radar detector, an absolute encoder, an IO module, a remote controller receiver, a voltage detector, an alarm and a remote controller. The comprehensive support vehicle has the advantages that an airdrop guide missile is adopted as a main hanging object, the missile is suitable for being embedded, the external hanging is also considered, the size is small, the operation is easy, and the adjustment is flexible.

The invention discloses a film material downhole oil-water separating device and a production pipe column and oil-water separation method. The film material downhole oil-water separating device is a film material work cylinder mounted in a downhole production pipe column. The film material work cylinder comprises an outer cylinder, a hydrophobic and lipophilic net film, a hydrophile and oleophobicnet film and a salvage head. According to the film material downhole oil-water separating device and the production pipe column and oil-water separation method, through the film material work cylinder, the whole downhole production pipe column is partitioned into three channels, namely, the produced liquid entering channel, the oil-phase lifting channel, and the water-phase back injection channel; through an inner film material and the channels, the functions of separation of an oil phase and a water phase in the work cylinder, oil-phase lifting and water-phase back injection are achieved; the work cylinders can be used in a multi-stage parallel connection mode according to different liquid producing quantities; the film material work cylinder does not need to be equipped with a complex auxiliary facility, operation is easy, the film material work cylinder is located behind an electric submersible pump in a regular pipe column, a salvage connector is formed, and regular salvaging replacement of the net film material can be achieved; meanwhile, a back-injected water oil-containing monitoring device is arranged in the back injection channel, and real-time online monitoring of the water quality of back-injected water can be achieved; and the film material downhole oil-water separating device and the production pipe column and oil-water separation method have the advantages that the application range is wide, and the separating effect is good.