95results about How to "Increase the restrictive effect" patented technology

The invention discloses an organic compound containing phenanthroline and phosphine substituent and an organic electroluminescent device containing the same. The organic compound is selected from a structural general formula as shown in a formula I in the specification. By introducing an aryl substituted phenanthroline structure into the structure, a tetradentate ligand coordinated with rare earth metal can be formed, formation of a more stable 8-coordination complex is facilitated, the stability of an n-CGL layer is improved, and by using a phosphine oxide structure in the structure, the limiting capability on the rare earth metal is improved, and the drift voltage is improved. In addition, direct connection between phosphine atoms and large conjugated substituents such as naphthalene is avoided, or larger polycyclic aromatic hydrocarbons such as anthracene, anthracene and pyrene in molecules are avoided, so that the coordination capability of a phosphine-oxygen structure to metals can be enhanced. The invention also finds that when the compound of the formula I structure is used as an n-CGL material and the compound of the formula II structure is used as an electron transport layer material in a combined manner, the injection barrier between interfaces can be reduced, and the driving voltage of the organic electroluminescent device is further reduced. # imgabs0 #

The invention relates to the technical field of cable production, and discloses a cable stranding machine which comprises a base plate, the base plate is provided with a motor, a lead frame, a branching wheel, a lead wheel and a merging die, an output shaft of the motor is fixedly provided with a rotating shaft, and the rotating shaft penetrates through the lead frame, the branching wheel and the lead wheel respectively. A cable is arranged on the wire guiding frame, the cable passes through the wire dividing wheel and the wire guiding wheel and is twisted into a cable in a merging mold, a through hole is formed in the wire dividing wheel, a first connecting frame and a second connecting frame are arranged in the through hole, and a fixing wheel is arranged below the first connecting frame. The fixed wheel rotates reversely instantly to trigger the reverse limiting mechanism, and the stabilizing frame in the mechanism moves downwards to form a U shape with the two movable wheels, so that the cable can be prevented from splashing out of the branching wheel, the cable is prevented from winding a machine due to huge bounce after being broken, and workers are prevented from being injured.

The invention provides a quantum well laser epitaxial structure and a quantum well laser. The epitaxial structure comprises a substrate, a buffer layer, a lower cladding, a lower waveguide layer, a quantum well active region, an upper waveguide layer, an upper cladding and a contact layer which are stacked in sequence, wherein the lower cladding is used for limiting laser leakage in a first direction, and the upper cladding is used for limiting laser leakage in a second direction; the band gap width of the lower waveguide layer is between the lower cladding and the quantum well active region, the band gap width of the lower waveguide layer is greater than the band gap width of the quantum well active region, and the refractive index of the lower waveguide layer is greater than the refractive index of the lower cladding; the quantum well active region comprises one or more quantum well layers and chirp barriers, the quantum well layers and the chirp barriers are arranged in an overlapped mode, and the chirp barriers are used for reflecting electrons and holes so as to limit the electrons and the holes to compositely emit light in the quantum well layers. According to the epitaxial structure disclosed by the invention, the interaction of electron holes is enhanced, the optical gain can be improved, the threshold current of the device is reduced, and the characteristic temperature is improved.

The present invention discloses an energy storage battery protection structure and a use method thereof, wherein the structure comprises a protection host, a supporting mechanism and a capping mechanism, wherein both sides of the bottom of the protection host are supported and connected by a supporting mechanism, the protection host support is installed in a scene where the energy storage battery is used by the supporting mechanism, the capping mechanism is installed on the top of the protection host in a plug-in manner to close the top of the protection host, and the locking strip is wound and shortened by rotating a roller body so that the locking strip can quickly tighten the lower end of the battery body, thereby improving the effect of individually limiting the lower ends of multiple battery bodies and avoiding damage caused by shaking and collision between multiple battery bodies, and the roller body can be rotated counterclockwise only after the swinging teeth are separated from the positioning ring and are not located in the same plane after the roller body is squeezed inward, and the locking strip is loosened to quickly loosen the lower end of the battery body, so that the battery body can be quickly removed, and it is convenient to remove and replace a single damaged battery body.

The utility model relates to the technical field of cooking stoves, in particular to a detachable rotary cooking stove which comprises an inner support, an inner table top is arranged at the top end of the inner support, a plurality of gas stove frames are arranged at the bottom of the inner table top, a connecting rod is arranged at the bottom end of each gas stove frame, and a connecting seat is mounted in each connecting rod through a rotating shaft. A gas tank basket is fixed between the connecting bases, a limiting sleeve is arranged on the side wall of the connecting rod, a limiting inserting rod is sleeved with the limiting sleeve, an inserting rod end is arranged at the end of the limiting inserting rod, an inserting groove matched with the inserting rod end is formed in the surface of the connecting base on one side, and the inserting rod end and the inserting groove are matched to limit the position of the connecting base. Compared with a traditional vertical pulling assembly and disassembly mode, the inclined assembly and disassembly mode does not need to disassemble the outer edge table top, and assembly and disassembly of the gas tank are convenient.

The utility model discloses a wireless charging equipment, including first casing, first wireless charging subassembly, torsional spring, first concave and convex wheel, second concave and convex wheel and elastic part, first casing is equipped with and places the groove, and first wireless charging subassembly includes shell and first coil, and the rotating end of shell is rotated and is connected with first casing through the pivot, and the pivot includes the first axle section and the second axle section who sets up along the pivot axle line direction, and first coil sets up in the inside of shell, and torsional spring is covered and is set in the first axle section, and first concave and convex wheel sliding cover is set in the second axle section, and second concave and convex wheel cover is set in the second axle section, and with second axle section fixed, and elastic part cover is set in the second axle section. Adopt the wireless charging equipment of utility model embodiment, and first wireless charging subassembly can provide enough support force to place electronic equipment after protruding in the recess, and wireless charging subassembly does not need to overcome the big torsion when accomodating, to solve the problem that the current wireless charging equipment uses the experience to be poor.

The utility model discloses a combined suspension type energy storage box, which relates to the technical field of energy storage and comprises a box body, two batteries are arranged on the front side and the rear side in the box body, and an adjusting assembly is arranged on the upper surface of the box body. Through mutual cooperation of the plate block, the sliding groove, the mounting groove, the square plate, the spring, the limiting support, the column body, the U-shaped frame, the sliding block, the circular hole, the connecting column and the mounting plate, the U-shaped frame and the mounting plate are driven to adjust the positions by moving the connecting column, and therefore support mounting holes in high-speed rails, automobiles and the like can be conveniently mounted and fixed; and through the arrangement of a limiting support, a spring and a column body, the position limiting effect of the adjusted mounting plate and the U-shaped frame is facilitated, the problems that an existing mounting and fixing structure cannot adapt to different types of mounting supports, and the mounting position cannot be adjusted are solved, and the effect that adjustment is conducted according to different types, so that use is convenient is achieved.

The invention relates to the technical field of laser, in particular to a planar waveguide laser using suspended particle fluid as a laser gain medium. The planar waveguide laser comprises a pumping source, and the pumping source comprises a semiconductor laser array. The beam shrinking imaging lens group is arranged on the light emitting side of the pumping source along the optical axis; the slow axis focusing lens is arranged on a light path between the beam shrinking imaging lens groups; the dichroic mirror is arranged on the light emitting side of the beam shrinking imaging lens group; the resonant cavity is arranged on the light emitting side of the dichroic mirror; and the gain module is arranged between the dichroic mirror and the resonant cavity. By compressing the light beam form and improving the order of magnitude of the pump light, the laser generation and output process becomes more efficient; meanwhile, the planar waveguide has good light beam quality, the heat dissipation problem of the solid laser is effectively relieved, and the solid laser is suitable for various application scenes.

The application relates to the technical field of power distribution network non-power-off operation, in particular to a wire clamp device for power distribution engineering non-power-off operation, which comprises a supporting plate fixedly connected to the outer wall of a switching ring, two rotating plates rotatably connected to the outer wall of the supporting plate, a plurality of chain plates rotatably connected to the outer walls of the two rotating plates, and the chain plates are rotatably connected at the heads and tails; when the plurality of chain plates contact the fixed conductor wire, the plurality of chain plates will be attached to the outer wall of the conductor wire under the action of the two rotating plates, the plurality of extension rods arranged on the inner wall of the rotating plate will generate force on the two rotating plates, the chain plates will be tightly attached to the outer wall of the conductor wire, and due to the characteristics of the chain plates, the plurality of chain plates arranged can change along with the shape of the outer wall of the conductor wire, so that the contact area of the wire clamp device and the conductor wire is increased, and the probability of failure of the wire clamp and the conductor wire is reduced.

The application discloses a kind of printing control instrument file positioning and adjusting mechanism, belong to printing control instrument field, including shell, the bottom side of the shell is fixedly connected with base, the top of the base is respectively provided with limiting mechanism and paper taking mechanism in front and back sides;The limiting mechanism includes the moving frame of sliding connection in the top front end of base, the middle part sliding connection of the moving frame has pull rod, the bottom of the pull rod is fixedly connected with limiting block, the surface of the pull rod is equipped with first spring, the both ends of the first spring are respectively welded with limiting block and moving frame;The paper taking mechanism includes the support block of sliding connection in the top rear end of base both sides.This scheme is rotated after the convex block of cylinder rotation, cylinder reaches the surface of file again, the convex block on the surface of cylinder is at the both sides of cylinder and file contact surface, so that cylinder can be repeatedly rotated drive file page, make stamping more convenient, and cylinder can resist file, and the fixation of file is more convenient.

The utility model discloses a composite insulating power tube, which relates to the technical field of insulating power tubes, and comprises a plurality of power tube main bodies and rubber sleeves, the outer surfaces of the power tube main bodies are sleeved with the interiors of the rubber sleeves, and the outer surfaces of the power tube main bodies are all provided with connecting assemblies. According to the utility model, through cooperation of the rubber sleeve, the limiting assembly, the blocking ring, the threaded hole, the protective rubber ring, the conical block and the fixing ring, the arrangement of the rubber sleeve is convenient for wrapping a cable, and the arrangement of the fixing ring and the blocking ring is convenient for limiting the position of the rubber sleeve; the phenomenon that the power tube and the rubber sleeve are assembled conveniently is avoided, the phenomenon that the blocking ring is disassembled conveniently due to the arrangement of a threaded hole in the blocking ring is avoided, and the problems that the internal structure of a current power tube is too many and not concise, and the arrangement stability of a spring is poor are solved. The effects that the internal structure of the power tube is simple, assembling is convenient, and stability is improved are achieved.

The utility model discloses a foldable antenna support for an electromagnetic radiation detector, which relates to the technical field of electromagnetic radiation detectors and comprises a fixed bottom plate, the upper end of the fixed bottom plate is provided with a slot, the upper end of the fixed bottom plate is fixedly connected with an expansion sheath at the edge of the slot, and two ends of the fixed bottom plate are rotatably connected with side protection plates. One end of the side protection plate is fixedly connected with an arc plate and a fixing plate, the fixing plate is located on the two sides of the arc plate, through the arrangement of the fixing bottom plate and the side protection plate, folding type design is adopted, the antenna support is contained in an electromagnetic radiation detector, when an antenna needs to be supported, the side protection plate is unfolded, and the antenna support is clamped by the arc plate, so that the antenna support is convenient to use. According to the electromagnetic radiation detector, the limiting effect on the antenna can be improved, the use stability is improved, meanwhile, through the arrangement of the expansion sheath and the arc plate, the antenna can be clamped, meanwhile, the bending point of the antenna when the antenna is bent under stress is moved to the upper end of the arc plate, damage to an interface is avoided, and damage to the electromagnetic radiation detector is avoided.

The invention relates to a plugging assembly, and belongs to the technical field of door and window structures. The plugging assembly comprises a connecting piece, a positioning piece and a fixing inserting piece. The connecting piece comprises a first clamping groove, and the first clamping groove is used for being clamped with the first protruding part of the outer frame. The positioning piece is installed on the connecting piece, and the positioning piece abuts against the first protruding part so that the first protruding part can be tightly pressed in the first clamping groove; the fixing plug-in is arranged on the connecting piece in a sleeved mode and connected with the connecting piece in a clamped mode. The fixing plug-in is connected with the glass sash in a sealed mode. According to the plugging assembly provided by the embodiment of the invention, the connection between the outer frame and the fixed plug-in can be stable, and the strength of the outer frame is not influenced.

A pressing rod limiting device of an ash frying machine relates to the technical field of ash frying machines, the ash frying machine comprises a vertically arranged stirring barrel, a stirring mechanism arranged between the inner sides of the stirring barrel and a pressing rod connected with the stirring mechanism, and the pressing rod limiting device comprises a supporting ring fixedly arranged at a barrel opening of the stirring barrel in a sleeving mode, the pressing rod is rotationally mounted on the supporting ring; the limiting part is rotationally installed on the upper portion of the supporting ring in the circumferential direction of the supporting ring, the upper portion of the limiting part is used for abutting against the pressing rod, the distance between the upper portion of the limiting part and the supporting ring is gradually decreased along the rotation track of the supporting ring, and a first limiting piece is arranged at the upper portion of the limiting part and the large-distance end of the supporting ring; and the operating part is installed on the limiting part, a second limiting piece is arranged between the operating part and the supporting ring, and the first limiting piece is matched with the second limiting piece so as to limit the pressing rod to be located at the large-distance end of the upper portion of the limiting part and the supporting ring all the time.

This disclosure provides a semiconductor laser, comprising: a substrate; an epitaxial assembly disposed on the substrate and configured to generate laser light, wherein a channel is formed by etching downwards at both ends of the epitaxial assembly in a lateral direction; and a ridge waveguide assembly, comprising: two first electrode waveguides respectively disposed within the channel and forming an ohmic contact with an ohmic contact layer of the epitaxial assembly, wherein the refractive index of the first electrode waveguides is lower than the refractive index of the ohmic contact layer to limit the spread of the lateral light field and improve the confinement factor of the fundamental mode; a lower electrode disposed on the substrate on a side opposite to the epitaxial assembly; and an upper electrode disposed on the ridge waveguide assembly and forming an ohmic contact with the ohmic contact layer and the ridge waveguide assembly, adapted to cooperate with the lower electrode to form an electron injection channel.

The invention discloses a vacuum electrode induction melting double-flow gas atomization metal powder device, the technical solution of which includes a melting chamber and an atomization chamber, the melting chamber is located above the atomization chamber, and the melting chamber is connected to the atomization chamber, the melting chamber includes an induction coil, an atomization nozzle and a vertically arranged metal rod, the atomization chamber includes a shell, the shell top wall is arranged as a double-layer cavity structure, the upper end of the shell top wall is provided with a high-pressure air inlet, the lower surface of the top wall is provided with a plurality of air outlets, the air outlets are extended from the center of the top wall to the edge so as to be arranged in a long strip shape, and the plurality of air outlets are evenly distributed in an annular shape along the central axis of the shell; the lower end of the atomization chamber is provided with a collection tank and a gas recovery device, and the collection tank and the gas recovery device are both connected to the shell. The device can be used to prepare fine spherical metal powders, and can reduce the "satellite powder" phenomenon, which is conducive to improving the fluidity of metal powders.

The invention relates to the technical field of deep groove ball bearing machining, and discloses a grinding device for deep groove ball bearing machining, which comprises a working table, and preferably, further comprises a bracket, a grinding device, a grinding device, a grinding device and a grinding device, and preferably, the bracket is mounted at the bottom of the working table and is used for supporting the working table to be stable; the inner clamping mechanism is arranged above the workbench and is used for internally clamping deep groove ball bearings with different diameters; the outer limiting mechanism is arranged on the inner clamping mechanism and is used for limiting when the outer wall of the deep groove ball bearing is ground; and the grinding mechanism is arranged on the right side of the workbench and used for grinding the deep groove ball bearing. According to the deep groove ball bearing inner ring grinding device, through the arranged inner clamping mechanism, the included angle between the first clamping rod and the second clamping rod is changed, so that the inner ring of a deep groove ball bearing is clamped, auxiliary clamping is achieved, and the deep groove ball bearing can be ground conveniently.

The invention discloses heating equipment for improving the oil well recovery rate and relates to the technical field of oil exploitation, the heating equipment comprises a heating box and a heat exchanger, a water storage tank is fixed to one side of the interior of the heating box, an anti-explosion distribution box is connected to one side of a heating module, and a heat preservation pipe is connected to the top of the heating module; the bottom of the heat exchanger is connected with the water storage tank through a pipeline. According to the heating equipment for improving the oil well production rate, purified water is heated firstly, the heated purified water flows to conduct heat exchange on crude oil, an oil conveying pipe is not directly heated, coking of the pipe wall is avoided, accelerated corrosion of the pipe wall is prevented, meanwhile, whether crack leakage happens to the pipe or not is monitored by means of whether bubbling happens to the film sleeve or not, and the oil well production rate is improved. And when crack leakage occurs, flowing of purified water is utilized to pull in the binding belt to tighten the binding belt on the two sides of the bubbling part so as to prevent the bubbling part from being expanded, sufficient time is provided for the arrival of maintainers, and meanwhile, the binding belt can be used as an emergency measure to keep original continuous heat exchange transmission.

The utility model provides a steel reinforcement framework lowering auxiliary device. The steel reinforcement framework lowering auxiliary device comprises a circular-ring-shaped positioning base plate, a cylindrical-ring-shaped supporting base coaxially fixed to the positioning base plate and a plurality of positioning assemblies arranged in the circumferential direction of the supporting base at equal intervals. The positioning assembly comprises a driving telescopic assembly, a supporting plate and a positioning rotating wheel assembly. The telescopic end of the driving telescopic assembly stretches into the inner side of the supporting base and stretches out and draws back in the radial direction of the supporting base. The supporting plate is fixed to the telescopic end of the driving telescopic assembly. The positioning rotating wheel assembly comprises a shaft seat installed on the supporting plate, a rotating shaft rotationally installed on the shaft seat and a rotating wheel fixed to the rotating shaft, and the axial direction of the rotating wheel is perpendicular to the axial direction of the supporting seat. The drive telescopic assembly drives the positioning rotating wheel assembly to move in the radial direction, so that rotating wheels make contact with the reinforcement cage, and the rotating direction of the rotating wheels adapts to the lowering direction of the reinforcement cage. According to the auxiliary device for lowering the steel reinforcement framework, the hole entering efficiency of the steel reinforcement framework can be improved, the steel reinforcement framework is prevented from deviating and inclining in the lowering process, and the centering precision is improved.

The invention discloses a method for assembling a rechargeable magnesium battery in an atmospheric environment and the rechargeable magnesium battery. A positive electrode, a negative electrode and an electrolyte required by the method are prepared, stored and assembled in an atmospheric environment, and the electrolyte is a single-component organic amine solvent containing N atoms or a mixed solvent of the single-component organic amine solvent and ethers. The battery preparation method has extremely low requirements on water content and oxygen content in a preparation environment, and does not need a glove box battery material storage and assembly environment. The preparation method is simple to operate, avoids a harsh preparation environment required by a traditional rechargeable magnesium battery, and has a large-scale application prospect and a huge commercial development value.

The garage lamp comprises a shell and a plurality of light source plates arranged on the shell, the light source plates are rotationally connected with the shell through a hinge mechanism, the hinge mechanism comprises a first connecting base, a second connecting base and a fastener, the first connecting base is fixedly connected to the shell, the second connecting base is fixedly connected to the light source plates, and the fastener is fixedly connected to the shell. The second connecting base rotates around the fastener relative to the first connecting base, the two ends of the fastener extend out of the outer side of the first connecting base and the outer side of the second connecting base respectively, the first end of the fastener is provided with an operation end, the second end of the fastener is provided with a locking piece used for locking the position of the light source plate, and the locking piece is positioned on the first connecting base through the supporting structure. According to the garage lamp, the locking piece is positioned on the first connecting base through the supporting structure, connection between the locking piece and the second end of the fastening piece is prevented from loosening, and the service life of the garage lamp is prolonged.

The invention belongs to the technical field of furniture, and particularly relates to a connecting component, a using method and modular furniture, a connecting unit is used for detachably connecting a first functional assembly and a second functional assembly, the connecting unit comprises a fixed limiting piece and a connecting piece, the fixed limiting pieces are respectively arranged on the first functional assembly and the second functional assembly; the connecting piece is detachably connected with the two fixed limiting pieces to limit the mutual movement between the first functional assembly and the second functional assembly; and the connecting unit has overall symmetry. According to the connecting unit, the whole is symmetrical, the connecting pieces are symmetrical, the using direction is not limited, operation is more convenient, fixing limiting pieces on functional assemblies are also the same, installation does not need to be selected, and production, packaging and installation of parts are more convenient and faster.

The utility model belongs to the field of pipeline lifting devices, and discloses an electromechanical pipeline installation vertical lifting device which comprises a bottom plate, a lifting plate and a limiting mechanism, the limiting mechanism comprises two limiting units arranged in two receding grooves respectively, and each limiting unit comprises two limiting assemblies symmetrically arranged relative to the corresponding receding groove. The limiting assembly comprises a vertical plate, a connecting plate, a connecting rod, a baffle and a limiting spring, the vertical plate is installed on the connecting plate, the vertical plate and the connecting plate are slidably inserted into the receding groove, the projection of the bottom edge of the connecting plate on the horizontal plane extends to the outer side of the projection of the receding groove on the horizontal plane, and the connecting rod is fixed to the bottom of the lifting plate. The bottom edge of the connecting plate slidably sleeves the connecting rod, the baffle is fixed to the bottom of the connecting rod, and the limiting spring sleeves the connecting rod. And through the arrangement that the vertical plate can slide relative to the lifting plate, when the pipeline is placed on the lifting plate, the height, needing to be manually lifted, of the pipeline can be reduced through receding of the vertical plate, and therefore manpower is saved.

The utility model belongs to the technical field of pressing caps, particularly relates to a magnesium-aluminum alloy pressing cap with an oxidation film resistant to deformation and fracture, and aims to solve the problems that an existing pressing cap is prone to being squeezed by external force, unnecessary troubles are brought to a user and the like, according to the scheme, the magnesium-aluminum alloy pressing cap comprises an end cover body, and the end cover body comprises an end cover outer shell and a valve body. The top of the end cover shell is provided with a groove, the valve body is fixedly embedded in the groove, a rebounding pressing valve rod is arranged in the valve body, and the top end of the pressing valve rod extends out of the groove. According to the magnesium-aluminum alloy pressing cap, the pressing cap can be limited by adjusting the extending length of the limiting ejector rod at the bottom of the pressing cap; the pressing cap limiting device is simple in structure, the pressing cap limiting effect is good, dismounting and replacing of the pressing cap are not affected, meanwhile, a user can rapidly and conveniently switch the limiting state of the pressing cap, the adjusting sliding block can be stirred conveniently after use is finished, the adjusting effect is stable, switching operation is easy, and use is convenient.

The utility model discloses a jarring type standard vibrating screen device which comprises a base, a vibrating motor, a vibrating disc, a vibrating cover and a vibrating screen frame and further comprises a fixing assembly. The fixing assembly comprises a fixing disc, a fixing rod, a movable rod and a fixing ring. The fixed disc is fixedly connected to the vibration disc; the lower ends of the three fixing rods are fixedly connected with the upper end of the fixing disc, and the upper ends are fixedly connected with the lower end of the fixing ring. A first arc-shaped through hole is formed in the fixed disc; a second arc-shaped through hole is formed in the fixing ring; the first arc-shaped through hole and the second arc-shaped through hole are coaxially arranged; the lower end of the movable rod is detachably connected with the fixing disc, the upper end of the movable rod is detachably connected with the fixing ring, and the movable rod can relatively slide in the first arc-shaped through hole and the second arc-shaped through hole. The vibrating screen frame has the advantages that the movable rod is arranged and can relatively slide in the first arc-shaped through hole and the second arc-shaped through hole, the movable rod can be moved away when the vibrating screen frame needs to be installed, and the vibrating screen can be conveniently placed.

The utility model relates to gluing equipment technical field, concretely is a kind of vacuum equipment when gluing, including frame, the surface of frame is equipped with vacuum cover and jacking plate, the surface rotationally connected with gear of jacking plate, the side sliding connection of jacking plate close to gear has first toothed plate, the side installation of jacking plate close to first toothed plate has second toothed plate, first toothed plate and second toothed plate are engaged with gear, the side fixed connection of first toothed plate has first clamping plate, the side fixed connection of second toothed plate close to first clamping plate has second clamping plate, the side of first clamping plate and second clamping plate mutually close is all glued with rubber pad. The utility model, solved since product uses the mode of direct placement on the surface of jacking plate, and jacking plate needs to drive product to lift, make the movement of jacking plate will produce shaking to product, cause product and jacking plate impact situation, prone to cause damage to product.

The invention relates to the technical field of thermal power plants, and discloses a water level measuring device for a thermal power plant, which comprises a supporting plate, the upper surface of the supporting plate is fixedly connected with a first fixing plate, the top of the first fixing plate is movably connected with a first threaded rod, and the outer side of the first threaded rod is movably connected with a first sliding block; a first rotating shaft is movably connected to one side of the first sliding block, a first winding roller is fixedly connected to one end of the first rotating shaft, a first connecting rope is fixed and wound on the outer side of the first winding roller, a connecting plate is installed at the bottom end of the first connecting rope, and a floating plate is installed at the bottom of the connecting plate through a detachable connecting assembly. According to the device, a worker can conveniently and clearly observe measured information, use is safer, meanwhile, the worker can conveniently disassemble and replace the floating plate, the distance between the floating plate and the shore can be adjusted, and the device can adapt to different scenes and requirements.

The tungsten concentrate drying equipment comprises a supporting frame and a plurality of heating wires, a shell is movably connected to the top of the supporting frame, inclined plates are fixedly connected to the inner walls of the two sides of the shell, a plurality of receding grooves are formed in the inclined plates, an electric push rod is fixedly connected to the inner wall of the bottom of the supporting frame, and the electric push rod is fixedly connected to the inner wall of the bottom of the supporting frame. The electric push rod is in contact with the outer wall of the bottom of the shell, a rotating disc is movably connected to the inner wall of the bottom of the shell, a protruding block is fixedly connected to the upper surface of the rotating disc, two positioning columns are fixedly connected to the inner wall of the shell, a sliding frame is movably connected between the two positioning columns, and a sliding groove is formed in the bottom of the sliding frame. According to the tungsten concentrate drying device, tungsten concentrate can be fully and uniformly dried by the heating wire through the push plate, a worker can conveniently take out the dried tungsten concentrate on the inclined plate by detaching the baffle, and the rotating angle of the shell can be limited through the baffle frame to avoid reverse rotation of the shell.

The utility model discloses a sliding connection type steel bar truss floor support plate, which relates to the technical field of building materials, and comprises a bottom plate, a support column is fixedly arranged on one side of the upper end of the bottom plate, a top plate is arranged above the bottom plate, a cross rod is fixedly connected to the upper side of the outer surface of the support column, and the cross rod is fixedly connected to the lower side of the top plate. The two sides of the upper end of the bottom plate are each slidably provided with two lower steel bars, the lower ends of the lower steel bars are fixedly connected with inverted concave blocks, the two sides of the upper end of the bottom plate are each provided with a sliding groove used in cooperation with the inverted concave blocks, the two ends of each lower steel bar are each fixedly provided with a lower connecting bar, and one end of each lower connecting bar is fixedly provided with an inclined steel bar; according to the sliding connection type steel bar truss floor support plate, welding is carried out in a sliding connection mode, manpower and time are saved, construction efficiency is high, the steel bar structure can be well limited and fixed after sliding connection, and the sliding connection type steel bar truss floor support plate is simple in structure and convenient to use. And the problems of deflection and the like of the truss floor support plate in subsequent construction are avoided.

This invention relates to the field of medical auxiliary device technology, specifically to a fall protection device for an interventional catheterization lab. The device includes a housing installed on the bed frame, a bed width positioning belt on the housing, symmetrical strap extension members on the bed width positioning belt, quick-connect connectors at the top of each strap extension member, and a waist restraint belt inside each strap extension member. A quick-connect plug is fixedly connected to the end of each waist restraint belt away from the strap extension member. The strap extension members on both sides, combined with the corresponding waist restraint belts, form a cross-shaped circumferential restraint around the patient's waist. The strap extension members elastically accommodate the waist restraint belts. Locking components are integrated within each strap extension member. This invention employs a cross-shaped circumferential restraint structure around the patient's waist, satisfying the convenience of patient position adjustment during interventional procedures while also ensuring the stability of the body position, thus solving the problem of the limited restraint effect in traditional lateral fall-prevention waist restraint techniques.