38results about How to "Reduce deformation rate" patented technology

The utility model discloses a clamp tool for turning a scroll plate of an electric compressor, which comprises a base plate and a support plate fixed above the base plate, the support plate comprises an inner support table and an outer ring which are arranged inside and outside, the outer ring is fixedly connected to the edge of the base plate, and the inner support table is used for being supported in the scroll plate. A connecting rod is fixedly connected between the inner supporting table and the outer ring, a main shaft pull rod is fixedly connected to the center of the base plate, clamping jaws are fixedly connected to the position, located between the outer ring and the inner supporting table, of the base plate, the clamping jaws are distributed on the base plate in an annular array mode, and the clamping jaws make contact with a vortex line of the vortex plate and are used for clamping the vortex plate. And the clamping jaws contract inwards to clamp the scroll plate. When the main shaft pull rod moves upwards, the base plate slightly deforms, the distance between the upper ends of the clamping jaws is increased, the scroll plate to be machined is arranged on the inner supporting table between the clamping jaws, the main shaft pull rod moves downwards, the base plate slightly deforms, the distance between the upper ends of the clamping jaws is decreased, and at the moment, the clamping jaws contract to clamp the scroll plate.

The utility model discloses a cable, which belongs to the field of cables and comprises a core wire, a middle coating layer, a first shielding layer, a second shielding layer and a ground wire, the middle coating layer is coated outside the core wire, the first shielding layer is coated outside the middle coating layer, the second shielding layer is coated outside the first shielding layer, and the ground wire is positioned between the middle coating layer and the first shielding layer. According to the cable provided by the utility model, through the combined action of multiple layers of structures, the middle coating layer, the first shielding layer and the second shielding layer can be dispersed to each layer when bearing external bending stress, so that the stress concentration of the core wire is reduced, the probability of deformation of the core wire due to repeated bending is reduced, the characteristic impedance stability is maintained, the signal transmission is ensured, and the data transmission abnormity is reduced.

The invention relates to the technical field of laser cutting machines, and provides a laser cutting machine for JP cabinet production, which comprises a mounting plate frame, a traction component, a polishing component and a pressing and separating mechanism, the mounting plate frame is fixedly connected to the end part of a lathe bed, and the pressing and separating mechanism is fixedly connected to the mounting plate frame; the pressing and separating mechanism is used for disconnecting a part adhered to a plate from the plate through pressing and comprises a cushion wheel and a pressing wheel, a plurality of protrusions are arranged on the pressing wheel, the plate slides between the pressing wheel and the cushion wheel, the cushion wheel and the pressing wheel are each sleeved with a protective sleeve made of a flexible material, and the protective sleeves are connected with the pressing wheel. And a scraper mechanism is arranged between the pressing and separating mechanism and the traction component and used for separating parts which are pressed and broken by the pressing and separating mechanism on the plate, and the technical problems that in the prior art, after laser cutting is conducted on the JP cabinet thin plate, cuttings adhere to base metal, residues need to be removed through manual knocking, the labor cost is high, and the machining efficiency is low are solved.

The utility model discloses a scooter forehead which comprises a forehead body, a pressing block and a screw, the forehead body is provided with a first groove, a positioning protrusion and a plurality of first screw holes, the pressing block is provided with a second groove, a positioning groove and a plurality of second screw holes, and the pressing block can be connected with the forehead body. The first grooves and the second grooves can be spliced into a transverse hole, meanwhile, the first screw holes and the second screw holes are opposite in a one-to-one mode, the first screw holes and the second screw holes which are opposite are connected through screws, and the positioning protrusions can be embedded in the positioning grooves. According to the utility model, the forehead main body and the pressing block are separately arranged, so that the scooter handle cross beam can be disassembled and assembled without penetrating through the forehead, the pre-installation of other parts on the scooter handle cross beam can be facilitated, the disassembly of the scooter handle cross beam can be facilitated, and the transportation of the forehead is also facilitated; and the probability of deformation during transportation is effectively reduced.

The utility model discloses a food grade liquid cold storage tank, which relates to the technical field of food storage and specifically comprises a support and a Miller plate evaporator, a cold storage tank body is arranged at the top of the support, and a breather valve, a stirring structure, an inlet hole and a liquid inlet are arranged at the top of an inner cavity of the cold storage tank body. The inner cavity of the refrigeration tank body is provided with a pressurized automatic rotary cleaning CIP spray head, the stirring structure comprises a stirring rod movably connected with the top of the inner cavity of the refrigeration tank body, the top end of the stirring rod is provided with a stirring blade I, and the bottom end of the stirring rod is provided with a stirring blade II. According to the food-grade liquid refrigeration tank, manufacturing of the Miller plate evaporator and connection of the refrigeration plate and the liquid layer are achieved through the laser welding technology, the deformation probability of the inner wall of the refrigeration tank body is reduced, the smoothness and the use strength of the interior of the refrigeration tank body are guaranteed, and when the refrigeration tank is used, the refrigeration plate directly makes contact with liquid in the tank, so that the refrigeration effect is improved. The heat exchange efficiency is optimized, and the using effect is improved.

The invention provides a pole piece of a lithium ion battery and a preparation method of the pole piece, the pole piece of the lithium ion battery comprises a current collector and an active material coated on the current collector, and by arranging the active material and an adhesive, the active material can be conveniently and rapidly fixed when being extruded and arranged on the current collector along an angle; the assembly state of the active material on the current collector is stabilized, the active material is placed in the slit die cavity to be extruded, the active material moves and deforms towards the single side direction, so that the structure becomes long and narrow, and the end part of the long and narrow active material is connected with the current collector to be rolled, so that the tortuosity of the lithium ion battery pole piece is reduced, and the service life of the lithium ion battery pole piece is prolonged. And the migration rate of lithium ions in the pole piece and the embedding rate of the lithium ions in the active material are accelerated, meanwhile, the problem that the pole piece is expanded and increased due to lithium ion embedding in the thickness direction of the pole piece is solved, and the probability of deformation of the lithium ion battery is reduced.

The utility model discloses a double-shaft adhesive tape rewinding machine which comprises a machine frame, openings are formed in the two sides of the back face of the machine frame, an unwinding shaft is arranged in the two openings jointly, a tensioning roller is arranged at the top of the machine frame, sliding ways are formed in the middles of the two side walls of the machine frame, winding shafts are arranged on the inner sides of the sliding ways, and the winding shafts are arranged on the inner sides of the sliding ways. And a baffle is arranged at the bottom of the inner side of the sliding way, a pneumatic clamping roller is arranged below the winding shaft, second air cylinders are installed in the middles of the inner walls of the two sides of the rack, two first air cylinders are installed at the bottom of the front face of the rack, and a semicircular cylinder is jointly arranged at the top ends of the two first air cylinders. By arranging a series of structures, a cut adhesive tape roll containing backing paper can be wound on the winding shaft again, the winding efficiency of the winding machine can be improved, the external force borne by the rewinding adhesive tape roll during discharging is reduced, and the probability that the adhesive tape roll deforms during discharging is reduced.

The utility model provides a kind of flat tube automatic sliding device and radiator assembly machine, the flat tube automatic sliding device includes device support;Heat pipe conveying mechanism, for conveying heat pipe;Guiding connecting seat, fixed on the device support, and with heat pipe conveying mechanism butt joint to form first guide channel, the first guide channel end is equipped with channel outlet;Flat tube trend adjusting mechanism, including stop block, the third cylinder of driving the stop block and connecting seat, the connecting seat forms vertical third guide channel and with the channel outlet butt joint;Lifting support device, including lifting module, second cylinder and second support frame.The utility model realizes the flexible steering of heat pipe by arc first guide channel arc setting, eliminates hard collision;Lifting support device before heat pipe enters vertical channel, initiative extension second support frame whole process support bottom, reduce deformation rate;By automatic shunt surplus material, it is convenient to take out redundant pipe body.

The utility model belongs to the technical field of automobile hubs, and discloses a high-strength light-weight automobile hub which comprises a hub body, the hub body comprises a rim, an axle hub and a plurality of connecting spokes, the axle hub is located in the center of the rim, and the axle hub coincides with the axis of the rim; the two ends of each connecting spoke are fixed to the axle hub and the rim respectively, a plurality of mounting holes are formed in the side wall of the axle hub in a penetrating mode, the rim, the axle hub and the connecting spokes are integrally designed, and a plurality of mounting grooves are formed in the side wall of the axle hub. The method has the effect of reducing the probability that the automobile cannot run normally.

The utility model discloses a battery string turn-over mechanism which comprises a base plate, a first driving assembly, a rotating assembly and a picking assembly, the fixed end of the first driving assembly is installed on the base plate, the driving end of the first driving assembly is connected with the rotating assembly, the rotating assembly is hinged to the base plate, and the picking assembly is arranged on the rotating assembly and connected with the rotating assembly. The pick-up assembly is configured to pick up or release a battery string to be turned over; the first driving assembly is configured to drive the rotating assembly to rotate to the position where the adsorption end of the picking assembly faces upwards, so that the back face of each battery piece of a battery string to be turned over is sucked through the picking assembly, and the first driving assembly firstly drives the rotating assembly to rotate to the position where the adsorption end of the picking assembly faces upwards; the back face of each battery piece of the battery string to be turned over is sucked through the picking assembly, then the first driving assembly drives the rotating assembly to rotate by 180 degrees, the face, with the welding strip, of the battery string faces upwards, subsequent glue printing on the battery string is facilitated, and the glue printing efficiency of the battery string is improved.

The utility model discloses a turnover worktable for welding a radiator, which relates to the technical field of radiator production and comprises a base, a pair of rotating sleeves and a pair of cross beams, a pair of supports are fixedly arranged on the base, the pair of rotating sleeves are rotatably mounted on the inner sides of the tops of the pair of supports, and a pair of drawing rods is fixedly mounted on one side of each of two ends of each cross beam. A plurality of gears are rotatably mounted on the surfaces of the upper side and the lower side of the cross beam, a supporting plate is mounted on each gear through an extension pipe, the supporting plates can extend out of the cross beam or retract into the cross beam by rotating the gears by 90 degrees, and the gears on one side face of the cross beam can synchronously rotate; the radiator can be supported through the supporting plate below the cross beam, the radiator can be supported or a welding area on the upper surface of the radiator can be avoided by extending the supporting plate out of the cross beam or retracting the supporting plate into the cross beam, the position of the supporting plate can be conveniently adjusted according to conditions after the radiator is turned over, and the radiator can be turned over by rotating the rotating sleeve connected to the support in a rotating mode.

The utility model discloses a kind of composite surface strengthening condensers, it is related to the field of condenser.The composite surface strengthening condenser, comprising: condensing main body;Fins protection plate rotation is connected inside the condensing main body, the inside of the fins protection plate is evenly spaced and is provided with honeycomb hole;Arc limit slot is provided in the inside of condensing main body;Connecting rod is fixed on the outer surface of fins protection plate by bolt;Connecting rod rotation is connected in the top of connecting rod;Slide frame is fixedly connected on the outer surface of both sides of condensing main body symmetrically;Sliding plate is slidably connected in the inside of slide frame.The composite surface strengthening condenser, by adjusting the position of fins protection plate, so that fins protection plate covers on the surface of radiating fin, fins protection plate can prevent radiating fin and other substances contact after being damaged, while the inside of fins protection piece is provided with honeycomb hole to slow down the wind power of fan, reduce the impact of fan wind power on radiating fin, also reduce the probability of radiating fin deformation.

This utility model belongs to the field of mold technology, and particularly relates to a multi-ejection type injection mold for automotive taillights. This utility model includes a lower mold and an upper mold for automotive taillights. An injection molded part is located on top of the upper mold, and a molding cavity for the plastic part is located at the bottom of the upper mold. A molding protrusion for the plastic part is located on the lower mold. In use, this utility model employs a multi-ejection structure consisting of a slanted ejector, multiple-specification straight ejectors, and independently driven dual sliding plates. The central slanted ejector solves the problem of undercut demolding. The thin side ejector rods and the thick central ejector rod provide differentiated ejection for different parts. The staggered layout of the dual sliding plates and the cavity avoidance design achieve interference-free movement, forming a collaborative demolding logic of "core pulling first, then pushing," thus solving the demolding deformation problem of complex plastic parts.

This utility model relates to the technical field of staining agent preparation equipment, and in particular to a staining agent preparation device for mucosal lesion diagnosis. It includes a placement cylinder and a top cover, and further includes: a disposable inner cylinder, which can slide inside the placement cylinder, and a quick-release positioning unit is provided between the disposable inner cylinder and the placement cylinder; a disposable rotating shaft, with several stirring rods fixed to its outer side, and a rotating unit is provided between the disposable rotating shaft and the top cover; and a liquid outlet pipe, with a B-hole on the lower side of the disposable inner cylinder, and the liquid outlet pipe is fixedly connected to the inner side of the B-hole, and can slide inside the positioning tube. By using a disposable inner cylinder, a disposable rotating shaft, and stirring rods, all of which are disposable items, they can be directly replaced after preparation without cleaning, thus avoiding residue and reducing the probability of cross-contamination, improving the production quality and efficiency of the reagent.

This invention proposes a brazing method for aluminum alloys based on surface activation and a pre-placed Ni layer. The method includes: Step 1, pre-treating the aluminum alloy surface to be brazed to ensure it is dust-free and oil-free; Step 2, subjecting the aluminum alloy surface to ion bombardment to remove the oxide film and activate the surface; Step 3, depositing a Ni thin film on the aluminum alloy surface to form a pre-placed Ni layer; Step 4, assembling the aluminum alloys to be brazed and placing them in a vacuum brazing furnace, with the Ni layers of the two aluminum alloys in contact. Pressure is applied to ensure the upper and lower aluminum alloys are tightly bonded and to prevent relative sliding. The furnace is then vacuum-heated to 540℃~585℃ and held for a preset time before cooling to room temperature to obtain an aluminum alloy / Ni / aluminum alloy brazed joint. The joint obtained by this surface-activated, pre-placed Ni layer-based aluminum alloy brazing method has the characteristics of no oxide film at the interface, high tensile strength, and low deformation rate.

The utility model relates to the technical field of pile -board wall, disclose a kind of pile -board wall vertical unbonded prestressed structure, including soil block, the inner bottom surface of soil block is provided with multiple piles, the inside of pile is provided with multiple prestressed mechanism, and the prestressed mechanism includes tensioning end positioning groove, fixed end positioning groove and unbonded steel bar, the inner wall of tensioning end positioning groove and fixed end positioning groove is all fixedly connected with bottom plate, the outer wall of bottom plate near pile one side is fixedly connected with multiple spiral rib, the inner wall of bottom plate near pile one side is provided with anchoring cross plate. In the utility model, the pre-embedded design of the prestressed steel bar of the pile -board wall simplifies the construction process, reduces the modification to the existing process, reduces the construction complexity, thereby speeds up the construction progress, and the application of unbonded steel bar makes the design and construction more flexible, can adapt to different geology and environmental conditions, and is more suitable for various engineering projects.

The invention discloses a fabric hot air tentering, color fixing and setting machine, and relates to the technical field of textile machinery. The fabric hot air tentering fixation setting machine comprises a rack, a shell is fixedly installed in the middle of the rack, a heating bin is fixedly installed at the top of the shell, a fan is fixedly installed above the heating bin, an electric heating wire is fixedly installed in the heating bin, and an air nozzle is fixedly installed below the heating bin. The air nozzle extends downwards into the shell, a flow guide plate is fixedly installed on the inner side of an air outlet of the air nozzle, a tentering device is fixedly installed in the shell, cloth is borne on the tentering device, the draught fan continuously supplies air into the heating bin, the electric heating wire can rapidly heat the air to form high-temperature hot air, and the high-temperature hot air is heated through the fan. The guide plate on the inner side of the air outlet of the air nozzle can reasonably guide hot air, so that the hot air is uniformly blown to the cloth, and all parts of the cloth can be uniformly heated.

The utility model belongs to the technical field of cables, and discloses a tensile cable, which comprises a plurality of cable cores, the outer walls of the plurality of cable cores are all sleeved with insulating layers, the outer walls of the plurality of cable cores are jointly provided with a protective layer, the outer wall of the protective layer is provided with a wrapping sheath, the protective layer is internally provided with a reinforcing core, and the outer wall of the reinforcing core is provided with an outer sheath. A filling layer is arranged among the reinforcing core, the cable core and the protective layer, and the reinforcing core, the cable core, the protective layer and the filling layer are formed by wrapping. The application has the effect of improving the use effect of the cable main body.

The utility model relates to a scaffold, in particular to a folding type scaffold structure. Comprising a mounting plate, two rotating plates are hinged to the two ends of the mounting plate, supporting mechanisms are arranged on the outer sides of the rotating plates, when the rotating plates are unfolded, the upper sides of the mounting plate and the two rotating plates are located on the same plane, the supporting mechanisms support the ends, away from the mounting plate, of the rotating plates, a reinforcing mechanism is arranged between the two supporting mechanisms, and the reinforcing mechanisms support the mounting plate. According to the device, the two rotating plates rotate around the hinged position, the two rotating plates and the upper side of the mounting plate are located on the same plane, then a worker pulls the supporting mechanism to move along the rotating plates, the supporting mechanism supports the ends, away from the mounting plate, of the rotating plates, and the reinforcing mechanism is unfolded in the moving process of the supporting mechanism; the mounting plate is supported through the reinforcing mechanism, so that unfolding of the scaffold is completed, and through multi-point supporting of the mounting plate and the rotating plate, the supporting force of the supporting mechanism and the reinforcing mechanism on the mounting plate and the rotating plate is improved.

The utility model discloses a kind of flushing door suitable for high water head, including door frame assembly, the top of door frame assembly is equipped with door plate rotary hinge support, the end of door plate rotary hinge support is equipped with door plate rotary hinge assembly, door frame assembly is movably connected with door plate assembly by door plate rotary hinge assembly, the right side of door frame assembly is equipped with driving device and transmission device, driving device and transmission device one end are connected, the bottom of door plate assembly is equipped with several groups of adjustable lock hook that distribute in horizontal equidistance mode, the bottom of door frame assembly is equipped with several groups of lock hook seat that distribute in horizontal equidistance mode, several groups adjustable lock hook and lock hook seat between installation have lock catch connecting rod, lock catch connecting rod right end and transmission device other end are connected.The device greatly improves the reliability, practicality and processing economy of flushing door under high water head scene.

The application relates to the field of batteries, in particular to a battery. The charging expansion curve of the battery comprises a first stage, a second stage and a third stage, the inflection point from the first stage to the second stage is A1, the inflection point from the second stage to the third stage is A2; the expansion rate of the battery in the first stage is Delta a, the expansion rate of the battery in the third stage is Delta b, and the Delta a and the Delta b satisfy 1.1 <= Delta b / Delta a <= 1.5. The battery can improve the cycle performance of the battery and reduce the deformation rate of the battery after multiple cycles.

The application relates to a textile yarn collecting device and a yarn collecting process, and belongs to the technical field of textile yarns. The yarn collecting device comprises a machine body, a winding drum, a paper tube and a material taking mechanism. The material taking mechanism comprises a material taking piece, a slidingly arranged material taking piece used for pushing the paper tube to fall off, a moving assembly used for driving the material taking piece to move, a supporting piece detachably arranged on a suspended end of the winding drum, a plug-in rod slidingly arranged on the machine body and plug-in installed on the supporting piece, a driving assembly used for driving the plug-in rod to move, a supporting assembly arranged on the plug-in rod and used for supporting, and a feeding assembly arranged on the supporting piece and used for feeding. The application realizes paper tube unloading through the movement of the material taking piece, simultaneously realizes the feeding of the paper tube through the feeding assembly, improves the convenience when the paper tube is sleeved and taken off, the supporting assembly supports and positions the suspended end of the winding drum, therefore the probability of winding drum deformation is reduced, and the yarn collecting efficiency of the yarn collecting device is improved.

The invention relates to the field of garment adhesives, and discloses a skin-touch adhesive applied to a garment fabric and a preparation method of the skin-touch adhesive. The skin feeling glue is prepared from the following raw materials in parts by weight: 75 to 85 parts of waterborne polyurethane emulsion, 10 to 20 parts of filler, 8 to 12 parts of tackifier, 3 to 6 parts of penetrant, 3 to 5 parts of curing agent, 10 to 20 parts of water and 0.5 to 1 part of pigment, the tackifier is prepared from carboxymethyl chitosan, tetramethyl divinyl disiloxane and hyperbranched waterborne polyurethane. The skin-touch glue applied to the garment fabric has relatively good air permeability, skin friendliness, skid resistance and mechanical property, can uniformly permeate into the fabric, can keep relatively good rebound resilience after being washed for multiple times, is not easy to deform, and is suitable for underwear and underpants made of cotton, nylon, modal and other materials.

The utility model discloses a salt discharging device of a sodium salt thickener, which comprises the thickener, the thickener comprises a tank body and a discharging pipe, and the discharging pipe is fixed in the middle of the lower end of the tank body; the anti-damage assembly comprises a connecting pipe, a cylinder, a sealing plate, a rotating shaft, a connecting ring and a bearing plate, the cylinder is welded to the middle section of the connecting pipe and communicates with the connecting pipe, the upper end of the connecting pipe is fixed to the lower end of the discharging pipe through a bolt, the sealing plate is fixed to the side edge of the cylinder, one end of the rotating shaft is rotationally connected into the cylinder, and the connecting ring is fixed to the rotating shaft through a screw; the bearing plates are welded on the connecting ring and are annularly and uniformly distributed; the connecting pipe is located on the side of the cylinder, and the rotating shaft is located on the side of the connecting pipe. The problems that after salt-containing feed liquid is treated by an existing thickener, the salt-containing feed liquid is accumulated at the lower end of a tank body, a valve is subjected to the gravity effect for a long time, deformation occurs, the sealing performance is reduced, flow control is not accurate, and the production efficiency and the product quality are affected are solved.

The invention relates to the technical field of copper conductor machining, and discloses a copper conductor anti-deformation machining numerical control lathe chuck which comprises a base and an air cylinder, the air cylinder is arranged at the bearing end of the base, the output end of the air cylinder is connected with a fixing mechanism, the air cylinder is started to drive the fixing mechanism to execute the clamping action, and a power source is provided for fixing of a copper conductor. The fixing mechanism comprises a driving trapezoidal block, the driving trapezoidal block is connected with an air cylinder, the air cylinder outputs power to directly drive the driving trapezoidal block to stably move along a rail groove in the top of the base, a foundation is laid for follow-up transmission actions, an air pump is arranged at the top of the driving trapezoidal block, and the air pump provides gas power for actions of the clamping equipment. The anti-deformation machining numerical control lathe chuck for the copper conductor is stable in transmission and accurate in clamping, the machining stability and machining quality of the copper conductor are effectively improved, the probability that the copper conductor deforms in the machining process is reduced, meanwhile, operation is convenient, and the machining efficiency can be improved.

The utility model discloses a kind of washing machine box structure reinforcing components, the core of this component is cage type reinforcing framework, is composed of bottom frame, vertical support beam and top connecting piece, bottom frame is spliced into rectangle by four U-shaped aluminum alloy profiles, is fixed with box bottom plate, vertical support beam is four inside right-angle edge line reverse bevel design special-shaped angle aluminum beam rod, bottom frame and top connecting piece are connected by connecting plate, top connecting piece is back type hard plastic plate, bottom surface is provided with semicylindrical reinforcing rib and abuts connecting plate;The reinforcing framework is installed in the inside corner of box, forms three-dimensional support, with lightweight, high-strength characteristics, can effectively improve the stability of box, reduce deformation risk, and installation maintenance is convenient, cost controllable.

The utility model relates to the technical field of railway locomotive brake system maintenance tools, and discloses an anti-deformation railway locomotive brake shoe drill rod safety ring dismounting clamp which comprises an inclined plane clamp head set used for fixing a safety ring needing to be dismounted, the inclined plane clamp head set comprises an inclined plane single clamp head and an inclined plane double clamp head which are oppositely arranged, and the inclined plane single clamp head is used for fixing the safety ring needing to be dismounted. A head part is arranged at the top end of the inclined-plane single-plier head, a tail part connected with the head part is arranged at the bottom end of the inclined-plane double-plier head, two head parts are symmetrically arranged at the top end of the inclined-plane double-plier head, a tail part connected with the two head parts is arranged at the bottom end of the inclined-plane double-plier head, inclined planes and bulges are arranged on the opposite side surfaces of the head parts of the inclined-plane single-plier head and the inclined-plane double-plier head, and the inclined planes and the bulges are matched to form fixing grooves. The tail parts of the inclined-plane single-plier head and the inclined-plane double-plier head are movably connected around the axis; and one of the two handles is fixedly connected with the inclined-plane single-plier head, and the other handle is fixedly connected with the inclined-plane double-plier head. The anti-deformation dismounting pliers for the brake-shoe drill rod safety ring of the railway locomotive can be used for rapidly dismounting the brake-shoe drill rod safety ring of the railway locomotive in a lossless manner.

The application discloses a high-safety elevator door, which comprises a door frame, a transmission module and an electric control module are respectively arranged on the upper part of the door frame, a ring-shaped driving belt is in transmission connection with the lateral surface of the transmission module, two transmission frames are arranged on the surface of the ring-shaped driving belt, the surfaces of the two transmission frames are in sliding connection with the door frame, the two transmission frames are in synchronous reverse linkage through the ring-shaped driving belt, door columns are arranged on the bottom surfaces of the two transmission frames, electric measuring components are fixedly arranged on the surfaces of the door columns, door plates are arranged on the two side surfaces of the door columns, and a cavity is arranged between the opposite surfaces of the two door plates. Through the arrangement of the horizontal protection mechanism and the vertical protection mechanism, the driven telescopic and supporting and fixing structure in the middle part of the traditional elevator hall door is increased, and the traditional hall door double-side supporting structure is changed into an integral surface supporting structure through the increase of the middle supporting and fixing structure.