46results about How to "Reduce lifting resistance" patented technology

The invention provides a mobile soil steam sterilizer which outputs steam intermittently, that is, when a needle is inserted into the soil, the steam is output to sterilize and disinfect the soil; when the needle is pulled out, the sterilizer is automatically closed, so that steam waste is avoided. The mobile soil steam sterilizer comprises a pulse combustion steam generating device arranged on a frame and a steam disc connected to the frame through a lifting device; the steam disc comprises a steam pipeline and a steam disinfecting needle inserted into the soil; the steam outlet of the pulse combustion steam generating device is communicated with the steam pipeline; the steam disinfecting needle comprises a sleeve and a needle tube; the upper portion of the need tube provided with a steam inlet extends into the sleeve, and the lower portion of the need tube provided with a steam exhaust port extends out of the sleeve; the needle tube is movably arranged in the sleeve up and down; when the needle tube moves to the upper portion, the inner space on the upper portion of the sleeve is communicated with the inner space of the needle tube through the steam inlet; when the needle tube moves to the lower portion, the inner space on the upper portion of the sleeve is not communicated with the inner space of the needle tube; and the inner space on the upper portion of the sleeve is communicated with the steam pipeline.

A compact high resistance fitness device for superior independent exercising or individual rehabilitation is disclosed including a platform base plate having at least one pivotally mounted resistance module attached to the platform base plate, where the at least one resistance module has an independent user-selectable resistance setting with incremental resistance force ranges of from about 5 pounds up to 500 pounds. The resistance module includes a pull cord coil storage spool configured to wrap and unwrap a pull cord of a small diameter, high-strength pull cord emanating from the resistance module. The high strength pull cord terminates at its outer end by a handle, such as a hand / foot receptacle, with a length sufficient to allow pull strokes of up to fifty feet or more, with as much weight resistance as a user could want in a compact and portable unit, capable of being taken anywhere for use. Of special interest is that the fitness device may include sensors and other means for collecting data and relaying that data to a smartphone, a computer, the cloud or any other device for display and processing.

The invention relates to a liftable office table convenient for wiring management, which is provided with a desktop, two table legs and a rocking rod, each table leg comprises a cross rod, and a first vertical rod and a second vertical rod which are sleeved with each other, an H-shaped support frame is arranged below the desktop and comprises a first frame and two second frames, the rocking rod drives screws in the first vertical rods to rotate through screws in the support frame and three transmission gearboxes, further the lifting of the desktop is realized under the matching of screw nuts at the upper ends of screw sleeves in the second vertical rods, guiding ring bodies are further arranged between the first vertical rods and the second vertical rods, scales are marked on the first vertical rods, and wire grooves are arranged outside the second vertical rods. The office table disclosed by the invention has the advantages that the height of the office table is convenient and flexible to adjust according to the requirement of a user, and assembly, disassembly and wiring management are facilitated.

This invention is about a repeated pedaling assistant bicycle. It includes the frame, the braking mechanism, the back driving wheel, the back wheel bearing, the tyres, the pedals which is fastened to the pedaling handles, the fan-like forward meshing wheel which meshes the gearing one-way flywheels. On each side of the frame, there a pedaling handle and pedals, the fan-like forward meshing wheel and the one-way flywheel among which the pedal is fixed on the front of the handle and the fan-like forward meshing wheel on the back, in the part between them are some pinning holes, in the frame are some handle pins. Through the pinning holes and the pins, the handles can be knuckled on the frame. The fan-like forward meshing wheel is structured with inward gearing hoops or roller chain section of intrados, the outside circle of the one-way flywheel are gear wheel or chain wheel, the pedaling handles are jointed with the top surface or the outside circle surface of the fan-like forward meshing wheel, and on the edge of the pedals are some edge hooks. This invention is simple and feasible with a light structure, and it works efficiently and rides comfortably with a character of anti-shocking and anti-tire-bursting.

The invention belongs to the technical field of valve and relates to a water separator of a tap which solves the technical defects of unfirm sealing when the water pressure in the inner cavity of a water separator is low as well as non labor saving when the water pressure is high in the prior art. The water separator of the tap comprises a handwheel, a valve body with an inlet tube and two outflow tubes, as well as a valve core and a valve rod arranged in the valve body; the middle of the valve rod is connected with the valve core in a screwing way; one end of the valve rod penetrates the valve body and is fixedly connected with the handwheel; an upper empty cavity and a lower empty cavity are arranged in the valve body, respectively connected with one outflow tube, and are connected by a through hole; the inlet tube is connected with one of the empty cavities; the valve core is arranged in the empty cavity connected with the inlet tube; the valve core is fixedly connected with the valve rod; and the bottom surface of the valve core is provided with a sealing element capable of sealing the outflow tube connected with the empty cavity; the top surface of the valve core is provided with a sealing element capable of sealing the through hole. The water separator has good leak tightness and can use the assistance of water flow to reduce the drive force of the valve rod. The water separator is reasonably designed, has simple structure, saves labor, and is convenient to be operated.

The invention relates to a bicycle of the ambulation style. It contains the frame of the bicycle, the braking mechanism, the back annulus for driving, the back-annulus axes, the tyre, the footplate is fixed on the stepping handle, the fan-shaped main gear wheel and the unilateralism flywheel with the gear wheel. The left and right sides of the frame of the bicycle sets up a stepping handle and its footplate, the gear wheel and the unilateralism flywheel. The footplate is fixed in the front of the stepping handle and the gear wheel is fixed in the back of the stepping handle. The handle body between two ends of the stepping handle has the pinhole and the handle pin connects on the frame of the bicycle and hinge-joints on the frame of the bicycle by the pinhole and the handle pin. The outer circle of the unilateralism flywheel is the gear or the chain wheel. The footplate connects on the gear wheel. On the one side of the footplate are set up with the side-hamulus. The invention is easy and applied. It has the deft organization, the high efficiency transmission, the comfortable riding, the quakeproof and the defending bursting-tyre.

The invention discloses an automobile rear door triangular block assembly, and relates to the technical field of automobile spare part manufacturing. The automobile rear door triangular block assembly comprises a rear door rear upper guide rail arranged between a triangular block outer plate and a triangular block inner plate, reinforcing rib plates are arranged on the triangular block outer plate and the triangular block inner plate respectively, clamping positions and clamping hooks are arranged on the reinforcing rib plates of the triangular block outer plate and the triangular block inner plate respectively, the clamping positions are paired with the clamping hooks, and the triangular block outer plate and the triangular block inner plate are connected into a whole through the clamping positions and the clamping hooks. Compared with the prior art, the automobile rear door triangular block assembly is simple in structure and capable of solving the problems that an existing rear door triangular block assembly is high in cost, difficult to assemble and poor in fit precision, fit clearance surface differences between the automobile rear door triangular block assembly and a rear automobile door window frame and glass are poor, natural beauty of transition of peripheral parts is influenced, rear door glass is difficult to assemble, and lifting resistance is large.

The invention discloses an automatic reducing pore-forming device mounted on a drilling machine. The automatic reducing pore-forming device comprises a pile pipe, a guide rod, movable boards and an inverted conical pile tip, the guide rod is movably connected to the lower portion of the pile pipe, the lower end of the guide rod is fixedly connected with the pile tip, 3-6 movable boards are hinged to the edge of the upper end face of the pile tip and arranged side by side, a 5-6cm distance is reserved between every two adjacent movable boards, the movable boards are arc-shaped and are closed and tightly hold the pile pipe when pores are formed, and the diameter a of the upper end face of the pile tip is not larger than the diameter A of the pile pipe. The automatic reducing pore-forming device is simple, convenient to operate, low in lifting resistance and high in pore-forming speed, and labor productivity is greatly improved. The pore-forming process can be widely applied to construction of foundations such as civil and industrial building foundations, railways, roads, bridges and harbors.

The invention relates to the technical field of well drilling, in particular to a percussion hammer. The percussion hammer comprises a hammer head and multiple first hammer teeth. The hammer head is provided with a hammer face used for hammering. The first hammer teeth are arranged on the hammer face in a manner of protruding towards a well bottom. The first hammer teeth are divided into multiple sets in the circumferential direction around the center of the hammer face. Each set of first hammer teeth is distributed in the radial direction from the center. The radial distance from the first hammer teeth in each set to the center is located between the radial distances from the two radially-adjacent first hammer teeth in the circumferentially-adjacent sets to the center. The radial distance from any two radially-adjacent first hammer teeth in each set to the center corresponds to the radial distance from one first hammer tooth in the circumferentially-adjacent sets to the center. The hammering influence range of each first hammer tooth partially coincides with the hammering influence range of the two radially-adjacent first hammer teeth in the circumferentially-adjacent sets. According to the percussion hammer, a hammered well bottom face is leveler, and the hammering efficiency is higher.

The invention relates to a floating cylinder type liquid level indicating device. A supporting plate is arranged on a container, two pulleys are installed on the horizontal line of the supporting plate, one end of a connecting line is connected to a floating cylinder arranged in the container, the other end of the connecting line surrounds the steel pulleys, and is connected with a liquid level indicating block, and a liquid level ruler is installed on the outer wall of the container or is marked on the outer wall of the container in an engraving mode. The floating cylinder is composed of a cylinder body and a cylinder cover, wherein the cylinder body and the cylinder cover are connected through threads or a flange in a sealing mode, the core portion of each pulley is provided with a rolling bearing, and the inner race of each rolling bearing is fixed on a supporting shaft of the supporting plate. The connecting line is nylon thread, and the liquid level indicating block is an isosceles triangle. Scale marks of the liquid level ruler are drawn with fluorescent pigment so that a user can read the value of the liquid level at night. Due to the fact that a detachable structure is adopted by the floating cylinder of the floating cylinder type liquid level indicating device, the weight of the floating cylinder can be conveniently adjusted, and the floating cylinder type liquid level indicating device is applicable to liquid level indication of liquid with different specific gravity. Due to the fact that the rolling bearings are installed on the pulleys of the floating cylinder type liquid level indicating device, resistance of rotation is low, and the floating cylinder type liquid level indicating device is high in sensitivity.

The invention discloses a flow control method for cylinder with two symmetric flexible plates. The two flexible plates are mounted on the circumference of the cross section of a cylinder, the mass ratio and lengths of the fixed flexible plates are given, the rigidity of the flexible plates and the angle between the hinge positions of the flexible plates are adjusted, and therefore the aims of reducing cylinder lifting resistance and restraining vortex shedding are achieved.

The invention relates to a longitudinal and circumferential seam welding device for a large pressure container barrel, and belongs to the technical field of welding. The stability of a cantilever is improved, the starting resistance of a lifting platform is reduced, and fine adjustment of a welding gun is facilitated, so that the welding positioning is accurate. An automatic wire feeding welding machine comprises a wire feeding mechanism and a welding gun fixing mechanism; a sliding lifting platform comprises a sliding platform, a cantilever support frame, the lifting platform and a transversedriving mechanism, wherein the sliding platform is fixedly connected to the cantilever support frame, one side of the cantilever support frame is connected to the lifting platform, the transverse driving mechanism is fixed on the lifting platform, and the transverse driving mechanism is fixedly connected to the welding gun fixing mechanism; a roller frame is fixed below the lifting platform; anda first guide mechanism is arranged between the cantilever support frame and the lifting platform, the first guide mechanism comprises guide rods and guide wheels, the guide wheels are fixed on the two sides of the lifting platform, and the guide rods matching the guide wheels are fixed on the cantilever support frame.

The invention belongs to the technical field of foaming material production equipment, and particularly discloses a winding assembly for a continuous foaming material. The winding assembly comprises adeviation rectifying machine, a first tensioner, a traction machine, a second tensioner and a winding frame which are sequentially arranged. The first tensioner and / or the second tensioner comprise / comprises a floating roller and two guide rollers which are arranged on the two sides of the floating roller and further located above the floating roller. Drive parts are arranged at the two ends of the floating roller, and the floating roller can move up and down through the operation of the drive parts. By means of the winding assembly for the continuous foaming material, tension change and positional deviation caused by winding can be stably adjusted in time, winding can be completed without influencing shaping dimensional accuracy and the working efficiency is high.

The invention provides a cast-in-place pile casing device capable of reducing the lifting resistance. The cast-in-place pile casing device comprises a steel cylinder, a lifting hanging lug, parting strips attached to the steel cylinder, and an expansion bag between the parting strips. By means of the cast-in-place pile casing, the lifting resistance can be reduced, pressure balance of soil on theside wall is achieved through pressure, and foundation stabilization is facilitated; according to the cast-in-place pile casing, the hole forming construction quality of a cast-in-place pile foundation is easily guaranteed, and the design requirement can be better met; the cast-in-place pile casing is simple in structure, and under the action of large lifting force or vibration, the casing is notprone to deformation, and can be reused; the cast-in-place pile casing can counteract stress relaxation of the hole wall, and hole wall stabilization is facilitated; compared with the rigid contact mode of the pile casing and foundation soil under the condition of no expansion bag, the expansion bag is pressurized to form the flexible interface contact of the pile casing and the foundation soil, the stress concentration and the mechanical embedding and fixing effect of the interface are reduced, and the pile casing can be pulled out easily.

The invention relates to the technical field of slag removal in drilling, in particular to slag removal device for drilling. The device includes a steel rope, a well head power device and a material lifting mechanism, wherein one end of the steel rope is suitable for being connected with a percussion hammer, the well head power device is connected with the other end of the steel rope and drives the steel rope to do reciprocating motion of lifting or lowering, and the material lifting mechanism is arranged on the steel rope. By the adoption of the slag removal device for drilling, the synchronous operation of slag removal and drilling is achieved, the slag removal device for drilling not only saves the working hours and improves the working efficiency but also reduces the working cost, it is unnecessary to arrange machinery and stuff to remove slag, and slag removal device for drilling is convenient, efficient and suitable for popularization and application.

According to the invention, a landing bearing for a vacuum pump comprises a rotor ball race and a coaxial stator ball race with rolling elements placed between them, housed one after another and rolling on respective rolling tracks of the rotor and stator ball races. The rolling elements comprise a succession of rolling elements having outside surfaces made of zirconium dioxide. This reduces the resistance of the landing bearing to acceleration, while nevertheless providing good resistance to chemical attacks from process gases and plasmas.

The invention provides a device for measuring a casing diameter. The device comprises a calculating module, a casing measurement groove, and a casing inflation device. The casing measurement groove can be put into a casing. A transverse dimension of the casing measurement groove is not less than the transverse dimension of the expanded casing in the groove, and a vertical dimension is less than the vertical dimension of the expanded casing in the groove. A top of the casing measurement groove is provided with a diameter reflecting device capable of moving up and down. The casing inflation device is connected to an inner cavity of the casing in the casing measurement groove. The calculating module stores a height of the casing measurement groove. When the casing inflation device fills a working medium into the casing in the groove at preset pressure so as to expand the casing and push the diameter reflecting device to rise, the calculation module can calculate the diameter of the casingat the preset pressure according to a rising distance of the diameter reflecting device and the height of the measurement groove. In the invention, the diameter of the casing after watering can be conveniently measured.

The invention relates to a lifting supporting frame used for a display device. The lifting supporting frame is used for supporting the display device and comprises a U-shaped base, a sliding support and constant-force spring assemblies, wherein the contour the U-shaped base is approximately in a U shape, and the sliding support is arranged in a U-shaped opening of the U-shaped base and capable of ascending and descending. The lifting supporting frame is characterized in that the constant-force spring assemblies are arranged on the left side and the right side correspondingly; the static ends of the constant-force spring assemblies are fixed to the upper left end and the upper right end of the U-shaped opening of the U-shaped base correspondingly; and the movable ends of the constant-force spring assemblies are fixed to the left outer side and the right outer side of the sliding support correspondingly. The lifting supporting frame is smaller in occupied space and especially suitable for the arrangement of a lifting mechanism in the lifting supporting frame of the display device with the U-shaped base, a narrow space can be sufficiently utilized for installing a lifting force balancing mechanism, and a user feels quite smooth during lifting; and in addition, the structure is quite simple, assembling is convenient, and the cost is reduced.

An efficient floating-aid lifting liquid pumping device having a large capacity and a high head, the device comprising a frame (1), a water storage tank (8), a pump body device, a pump core device and a lifting device; the pump body device comprises a water drawing trap (2), a pumping valve device (4), a water draining trap (3) and a high-level water tank (11); the water drawing trap (2) is provided with a buffering and boosting device (35) at a bottom portion thereof; the water draining trap (3) is provided with a floating-aid trap (12) outside in communication with and cooperating with the high-level water tank (11); the floating-aid trap (12) is provided with a water draining pipe (23) at a bottom portion thereof, and is provided with a floating-aid chamber (14) therein; the floating-aid chamber (14) is connected to a hoist roller (15) of the lifting device via a floating-aid rope (13); the pump core device comprises a piston chamber (5) and a counterweight chamber (6) above the piston chamber (5); and the piston chamber (5) is sealed from and movably fitted to the pumping valve device (4) via a floating sealing ring (7). The pumping device draws or drains water based on a space occupation ratio of the buoyancy balance-type piston chamber, and reduces a lifting resistance to the pump core device and energy consumption of the lifting device by using the floating-aid chamber of the floating-aid trap to drive the counterweight chamber to float up together via the lifting device, thus effectively lifting water to a position having high potential energy, and delivering a large volume of water into a water consuming device or a power conversion device.

The invention provides a combined-separate stratospheric aircraft system scheme. The system scheme mainly comprises a high-altitude balloon, a solar powered unmanned air vehicle and a connecting rope, wherein the high-altitude balloon comprises a bag main body and a cable net structure which is outside the bag main body; and the solar powered unmanned air vehicle is the core of the whole platform and mainly comprises a structure subsystem, an energy subsystem, an avionic flight control subsystem, a propelling subsystem and a loading subsystem, which are arranged on a stabilizer of the solar powered unmanned air vehicle. According to the combined-separate stratospheric aircraft system scheme provided by the invention, the platform takes off through the high-altitude balloon; and the high-altitude balloon is separated from the solar powered unmanned air vehicle through an explosion device after the platform reaches a fixed flying height. The solar powered unmanned air vehicle flies for a long time through parts carried on the unmanned air vehicle and returns to a fixed point through its avionic flight control subsystem after the flying task is finished. Through the adoption of the combined-separate stratospheric aircraft system scheme provided by the invention, the performance of the solar powered unmanned air vehicle during executing the flying task can be greatly improved.

A combined stratospheric aircraft system solution of the present invention mainly includes: a high-altitude balloon, a solar unmanned aerial vehicle, connecting ropes and power transmission cables. Among them, the high-altitude balloon part includes the capsule body, internal temperature and pressure acquisition module, pressure regulating valve, ball stabilizer, blasting device at the top of the ball, positioning module, and the cable net structure outside the capsule; the solar UAV is the entire platform The core of the aircraft is mainly composed of the structural subsystem including the airframe stabilizer, the energy subsystem, the avionics flight control subsystem, the propulsion subsystem, and the load subsystem. The solution uses helium-filled high-altitude balloons to stabilize the platform at a given height and increase the load capacity; through the controllable maneuvering flight of solar-powered UAVs, the platform can fly en route and return to the field for reuse. The system has novel appearance and layout, simple internal structure and easy engineering realization.

The invention discloses an ecological fish passing facility. A lifting channel is arranged at the position, near a dam shoulder, on the land side of a barrage body, the lifting channel uses the barrage body as a main body to build barriers on the two sides, fish trapping equipment is arranged in a semi-closed region defined in the barriers on the two sides, a closed shaft is arranged on the innerlayer of the side, close to the barrage body, in a closed area of the lifting channel, and a high water level is maintained in the shaft. A slide rail system is installed in an outer-side shaft wall far away from the barrage body, when a fish pond is lifted to the top of the shaft, and water is discharged from the fish pond to the upstream of the barrage body through a drainage mechanism. When theproper buoyancy volume is designed and the buoyancy of a floating body is calculated to be close to the overall gravity, small lifting driving force is needed for realizing driving, the effect of small power driving can be achieved, the structure of the ecological fish passing facility is simple and reliable, and circulated and efficient fish passing can be achieved.

The invention relates to a novel vehicle door outer side seal strip which comprises a metal skeleton (1), an arc pressing strip (2) and wrapping sides (3). The appearance of the metal skeleton (1) is in a strip shape; the section of the metal skeleton (1) is a structure similar to a reverse 'U'; the inner side of the half side far from the glass of a vehicle window and the inner side of top part of the metal skeleton (1) are provided with the arc pressing strip (2) in an embedding way; the arc of the arc pressing strip (2) faces to the glass of the vehicle window; the novel vehicle door outer side seal strip is characterized in that the half side near the glass of the vehicle window, the top part and the outer side of the half side far from the glass of the vehicle window are all coated with the wrapping sides (3); the sides of the wrapping sides (3) contacted with the glass of the vehicle window are manufactured with a flocking burr (3.1); the inner side of the half side of the metal skeleton (1) near the glass of the vehicle window is coated with the wrapping sides (3); the contact location of the inner sides of the wrapping sides (3) with the sheet metal of the vehicle door is provided with a burr (3.2); the side of the arc pressing strip (2) near the burr (3.2) is a mill finish (2.1); a nip forms between the mill finish (2.1) and the burr (3.2); the side of the arc pressing strip (2) far from the burr (3.2) is provided with a reverse burr (2.2). The novel vehicle door outer side seal strip can reduce the lifting resistance of the sheet metal of the vehicle door and improve the beauty of the appearance.

The invention belongs to the technical field of building construction, and discloses hoisting equipment. The hoisting equipment comprises a supporting bracket, a first rotating shaft, a pulley assembly and a traction rope, the supporting bracket comprises a first supporting rod and a second supporting rod which are arranged at an interval, and the pulley assembly is arranged on the supporting bracket and comprises a fixed pulley. The first rotating shaft can rotate relative to the first supporting rod and the second supporting rod, the traction rope can be wound on the first rotating shaft by rotating the first rotating shaft, or the traction rope is gradually led out from the first rotating shaft, and the leading-out end of the traction rope bypasses the fixed pulley and is connected with a lifting hook assembly. When a main exhaust pipe is installed, the hoisting equipment is placed on the upper floor of the floor where the main exhaust pipe to be installed is located, the supporting bracket and the wall face form a triangle, the first rotating shaft is rotated, the lifting hook assembly is placed downwards, the lifting hook assembly is hooked to the main exhaust pipe to be installed, then lifting is conducted, the problem that the main exhaust pipe is difficult to lift in the limited space is effectively solved, and construction materials are prevented from being damaged.

The invention discloses a roadway stacking stereo garage and a working method thereof. The garage comprises a vehicle frame, a lower sliding rail and an upper sliding rail are transversely arranged onone side of the vehicle frame, a fixed longitudinal rod is vertically fixed between the two ends of the lower sliding rail and the upper sliding rail, an inclined base is arranged on one side of thefixed longitudinal rod, and a movable base is movably installed on the lower sliding rail; and two supporting rods are arranged on the upper surface of the movable base, a lifting assembly is movablyinstalled between the two supporting rods and is in threaded connection with a lifting lead screw, two fixed rods are fixed to one side of the lifting assembly, two movable rods are movably installedbetween the two fixed rods, a movable bracket is movably installed between the two movable rods, and a supporting plate is horizontally installed on the movable bracket. According to the garage, automobiles can be carried quickly, energy loss is reduced, energy is saved, resistance borne in the parking process is small, the working efficiency is high, a large number of automobiles can be parked atthe same time, and the space utilization rate is effectively increased.

The invention provides an oil-displacing discharge aiding agent as well as a preparation method and application thereof. The preparation method comprises the steps of S1, carrying out ring-opening reaction on coniferyl alcohol, ethylene oxide and a first solvent under an alkaline condition to obtain a product system containing a ring-opening compound; S2, carrying out sulfonation reaction on the product system containing the ring-opening compound, SO3 and a second solvent to obtain a sulfonate compound; and S3, mixing the sulfonate compound and a surface active substance to obtain the oil-displacing discharge aiding agent, wherein the surface active substance is a mixture of a fluorocarbon surfactant and ammonium bicarbonate, and the ring-opening compound and the sulfonate compound respectively have structural formulas shown in the description, and M < + > is a monovalent cation. The method is simple, low in cost and remarkable in effect of solving the problem that the multi-cycle steam huff and puff harvesting effect becomes poor.

The invention discloses an automobile rear door triangular block assembly, and relates to the technical field of automobile spare part manufacturing. The automobile rear door triangular block assembly comprises a rear door rear upper guide rail arranged between a triangular block outer plate and a triangular block inner plate, reinforcing rib plates are arranged on the triangular block outer plate and the triangular block inner plate respectively, clamping positions and clamping hooks are arranged on the reinforcing rib plates of the triangular block outer plate and the triangular block inner plate respectively, the clamping positions are paired with the clamping hooks, and the triangular block outer plate and the triangular block inner plate are connected into a whole through the clamping positions and the clamping hooks. Compared with the prior art, the automobile rear door triangular block assembly is simple in structure and capable of solving the problems that an existing rear door triangular block assembly is high in cost, difficult to assemble and poor in fit precision, fit clearance surface differences between the automobile rear door triangular block assembly and a rear automobile door window frame and glass are poor, natural beauty of transition of peripheral parts is influenced, rear door glass is difficult to assemble, and lifting resistance is large.

The invention belongs to the technical field of postpartum rehabilitation equipment and especially relates to a static abdominal muscle training device for postpartum recovery. The problem that the rectus abdominis recovery efficiency of the device is low is solved. The static abdominal muscle training device for postpartum recovery is provided due to the fact that the rectus abdominis is continuously expanded within ten pregnant women, then white lines are larger and larger, an interval is kept for a long time, rectus abdominis separation is long, recovery is difficult, and hypogastrium recovery also needs to be conducted under the condition that rectus abdominis recovery is good. According to the scheme, the device comprises a rehabilitation bed, supporting columns are fixed to the fourcorners of the outer wall of the bottom of the rehabilitation bed through screws, and a rectangular opening is formed in the outer portion of the top of the rehabilitation bed. By arranging the auxiliary rectus abdominis recovery mechanism, a doctor can adjust and control the distance between the auxiliary rectus abdominis mechanism and the rehabilitation bed by controlling the length of the firstelectric telescopic rod according to the body type of a rehabilitation patient.

The invention relates to a lifting type self-controlled aeration system with multiple groups of rails. The lifting type self-controlled aeration system comprises an aeration tank and is characterizedin that measurement and control components, aeration components and rail components are arranged in the aeration tank, wherein the aeration components and the rail components form rail lifting type aeration units; the rail components comprise rolling wheel combined brackets and guide rail components; two ends of each of a plurality of rolling wheel combined brackets are sealed and are fixedly connected with rolling wheels; the rolling wheels roll along the guide rail components; the rolling wheel combined brackets are connected with the aeration components; two side walls of the aeration tankare symmetrically connected with lifting tool trolleys; the lifting tool trolleys are connected with the rolling wheel combined brackets through flexible dragging ropes wound on the lifting tool trolleys and the flexible dragging ropes are used for driving the rolling wheel combined brackets to slide up or down along the guide rail components; the measurement and control components are connected with the aeration components. The lifting type self-controlled aeration system with multiple groups of rails has the beneficial effects that the rail lifting type aeration units are driven to achieve non-stop operation of the aeration tank; the measurement and control components are used for achieving quantitative and automatic aeration control, so that the aeration distribution is more uniform.