61results about How to "Avoid wear and scratches" patented technology

The invention discloses a method for locating a roll-gap-opening no-load channeling roll of a UCM rolling mill. The method comprises the following steps that 1, a rolling mill HGC control system is started, so that a roll gap between an upper work roll and a lower work roll is maintained to allow a belt to penetrate through, the roll bending force of the work rolls is set to be maximum, and the roll bending force of an intermediate roll is set to be balance force; 2, after the speed Vw of the rolling mill is increased to a preset speed and is stabilized, the intermediate roll is played according to the channeling roll value, the channeling roll speed of the intermediate roll is Vs until the axial position of a mill roll reaches the preset channeling roll value; 3, the channeling roll of the intermediate roll reaches the channeling roll value, after the channeling roll speed is reduced to 0, the speed of the rolling mill starts to slow until reaching 0, and the channeling roll locating is completed. The channeling roll of the UCM rolling mill is located safely and efficiently, the mill roll is prevented from be scratched, a poor plate shape is avoided, the workload of workers is lightened, and work efficiency is improved.

The invention provides a tank body assembling electric lifting system by a flip chip method, wherein the tank body assembling electric lifting system by the flip chip method comprises a plurality of electric lifting devices distributed uniformly in the inner side of a cylinder body and an expansion ring fixed on the inner wall of the cylinder body; the expansion ring is an enclosed circular ring with a concave clamping groove; each electric lifting device comprises a rack and an electric inverted chain hanged on the rack; and the electric inverted chain is connected with an expansion ring hanging fixture which is provided with a clamping body adaptive to the concave clamping groove on the expansion ring. The invention provides the lifting system and the hoisting method, and also discloses a lifting method of the tank body assembling by the flip chip method. The lifting system and the hoisting method provided by the invention not only overcomes the defect that the cylinder body rotates automatically during the lifting process and leads to inaccurate positioning, but also electric control is adopted for the full-distance lifting, the lifting system and the hoisting method are simple and feasible, not only relieves the labor intensity, but also lowers the assembling cost, improves the working efficiency, and increases the operation convenience and quickness and safety.

The invention relates to the technical field of billiards, in particular to a billiard set positioner. The billiard set locator includes an upper contact point that can be in contact with the vertical upper hemisphere of the enclosed billiard ball. In the enclosing and limiting structure, the vertical support of the billiard ball to the billiard set locator is realized. At the same time, the billiard ball In the structure where the group locator surrounds the limit billiard group and is vertically supported by the billiard group, the bottom edge position of the billiard group locator is set higher than the vertical bottom position of the billiard group, thus realizing the billiard group position on the tablecloth of the billiard table. In the process of moving the billiard set, the billiard set locator only achieves vertical support through the billiard set, and avoids contact with the tablecloth, thus significantly and completely eliminating the impact of the billiard set locator on the billiard table cloth during use. Anti-friction and scratching, which significantly improves the durability of the tablecloth, improves the service cycle and reduces the cost of use.

The invention relates to the field of manufacturing of reflection gratings, and discloses a manufacturing method of a precision metal reflection grating. The manufacturing method comprises the following steps: grinding a substrate; blackening the substrate; manufacturing a grating microstructure; carrying out micro electroforming; carrying out demolding and ultrasonic cleaning; and carrying out detection and assembly. According to the manufacturing method, the technologies such as micro electroforming, UV-LIGA technology, electrolytic polishing and electroplating blackening are fused, so thatthe precision metal reflection grating with good reflection effect, high surface smoothness, high reflection line precision, batch production and relatively low cost can be manufactured.

The invention discloses a forging punch die facilitating workpiece abrasion reduction. A workbench plate, installing rods, fixing bases and an installing plate are included. A lower punching die bodyis arranged above the workbench plate. A wire groove is reserved in the lower punching die body. A discharging hole and a storage cavity are reserved in the lower punching die body and are connected.The installing plate is located above the lower punching die body, penetrating holes are reserved in the installing plate, grooves are formed in the outer sides of the penetrating holes, and balls arearranged on the inner sides of the grooves and located on the inner sides of guiding grooves. The installing plate is connected with guide rods through the penetrating holes and the balls. Accordingto the forging punch die facilitating workpiece abrasion reduction, the punching gap between an upper punching die body and the lower punching die body can be adjusted, so that the problems that a workpiece is excessively punched and the workpiece cannot be normally taken out of the die are solved; and meanwhile the situation that since workpiece punching is not conducted in place, normal usage cannot be achieved is prevented.

The invention discloses an engine oil filtration device. The engine oil filtration device comprises a connecting bracket and a filter, wherein the connecting bracket comprises a bracket shell, and a bracket oil inlet pipe and a bracket oil outlet pipe arranged in the bracket shell; and the filter comprises a filter shell connected with the bracket shell, a filter oil inlet pipe arranged in the filter shell and connected with the bracket oil inlet pipe, and a filter oil outlet pipe arranged in the filter shell and connected with the bracket oil outlet pipe. The engine oil filtration device further comprises a buckle component for fixing the connecting bracket and the filter in an axial direction, a first sealing ring for sealing the bracket oil inlet pipe and the filter oil inlet pipe with respect to the bracket oil outlet pipe and the filter oil outlet pipe, and a second sealing ring arranged at the connected part of the bracket shell and the filter shell. The invention further discloses an engine lubrication system comprising the engine oil filtration device, and a vehicle comprising the engine lubrication system. The assembly operation of the engine oil filtration device can be simplified; and the engine structure is more compact.

The invention discloses a simple cable fixing rack, and belongs to the technical field of cable accessories. The rack consists of a lateral rib 1 and a longitudinal rib 2. The cross section of the rack is in a U-shaped groove structure, and the longitudinal rib 2 is fixedly disposed at an outer side of the lateral rib 1. The lateral rib 1 and the longitudinal rib 2 are metal pipes, wherein the lateral rib 1 is in a U-shaped structure and the longitudinal rib 2 is in a linear structure. The lateral rib 1 and the longitudinal rib 2 are fixed through welding. Two sides of the lateral rib 1 are respectively provided with a movable cable clamping plate 3, and the movable cable clamping plates 3 are provided with an annular cable fixing device 5. Two sides of the lateral rib 1 are respectively provided with an adjustable vertical support 4. The rack is simple in structure, is simple and convenient in installation, shortens the installation time, can reduce the manufacture cost, saves the raw materials, is good in heat dissipation performance, and prolongs the service life of a cable.

The invention discloses a magnetic control type self-centering chip wafer cleaning robot complete machine which comprises a grabbing disc with a vacuum suction cup, the grabbing disc is used for grabbing a wafer and placing the grabbed wafer on three supporting pads, an upper magnet is arranged in the middle of the grabbing disc, and the magnetism of the upper magnet is the same as that of the lower magnet; and the magnetic field force between the lower magnet and the upper magnet is used as a power source of centrifugal motion of the three clamping jaws, so that the edge of the wafer is not in contact with the clamping jaws and does not slide when the wafer is placed, and the wafer is prevented from being abraded and scratched.

The invention discloses a civil construction engineering site reinforcing steel bar detector, and relates to the related field of building detection. The instrument comprises an instrument body, and a protection groove and a handle screen are arranged in the middle of the top of the instrument body. The device is provided with a brake part, a fixing rod, a spring, a pressing column, a pressing block, a sliding groove, a sliding block, a first limiting block and a second limiting block, when the instrument is not used, a worker applies pressure to the pressing block with fingers, then the pressing column pushes a connecting plate to overcome the elastic force of the spring to move downwards, and then the fixing rod drives the brake part to be attached to a roller; meanwhile, a worker slides a pressing block again, so that a pressing column drives a sliding block to slide in a sliding groove, a first limiting block is just clamped at the bottom of a second limiting block, a braking piece can be prevented from being bounced by restoring force of a spring, a roller is braked through the braking piece, and therefore the detector is not prone to rolling off when placed on a table top, and the risk that the detector is accidentally broken is reduced.

The invention relates to the technical field of forklift robots, in particular to a forklift robot with an information source-tracing function. The robot comprises a base, wherein a forklift robot machine main body is arranged on the upper surface of the base, columns are symmetrically arranged on the upper surface, close to the edge, of the base, the tops of the two columns are connected througha cross beam, a threaded rod is arranged in each chute, two turnplates are connected through a caterpillar band, a motor is arranged on the top of one of the threaded rods, a forklift plate is arranged between the two columns, a display is further arranged on the back end surface, close to the top position, of the forklift plate, and a camera is mounted in a mounting hole. According to the forklift robot with the information source-tracing function, the forklift machine main body is connected to the motor and the display on the whole device, so that it is convenient to provide corresponding electric power. Matched with the threaded rods, the forklift plate moves up and down stably, so that it is favorable to fork articles better. The display is matched with the camera, so that it is convenient to collect information of the articles forked by the whole device and it is convenient to trace the sources of the articles.

The invention discloses a ground rope with a bag enclosure net. The ground rope comprises a plurality of wires, wherein each wire is serially provided with a plurality of lead particles, the outer side of each line is coated with a coating layer, the length of the ground rope is equal to (2.2-2.7)*10L1, L is the length of the ground rope, and L1 is the length of a water line of a ship. The ground rope has the advantages that the manufacturing is convenient, the suspension is avoided, the service life is long, and the ground rope is suitable for operation using net coiling machines.

The invention discloses a polishing rust-proof device for steel structure machining, and relates to the technical field of steel structure machining. The problem that a steel structure cannot be effectively polished thoroughly is solved. The device specifically comprises a base and a supporting table which is fixed to the top end of the base, plays a supporting role and inclines upwards, a pretreatment frame is fixed to one side of the top end of the base through screws, a through hole of an H-shaped structure is formed in the side wall of the pretreatment frame, and two or more sets of ballsare rotationally connected to the top end and the bottom end of the through hole; and a fixing frame of a portal frame structure is arranged on the side wall of the base, and a frosted frame with theinner layer of a frosted structure is arranged at the bottom end of the fixing frame. The pretreatment frame provided with the balls is arranged, and the balls can roll under friction of the H-shapedsteel structure to give certain vibration to the H-shaped steel structure, so that large-particle rust chips attached to a surface layer of the H-shaped steel structure can be shaken to reduce the pressure of subsequent frosted chip removal, and the phenomenon that the rust chips hidden below the H-shaped steel structure and fastened are not completely polished is avoided.

The invention relates to the technical field of automobile window wipers, and discloses a novel automobile cleaning mechanism capable of preventing front side glass from being scratched and abraded, the novel automobile cleaning mechanism comprises a window wiper frame, a water dripping hole is formed in the middle of the window wiper frame, first bases are connected to the left side and the right side of the front portion of the lower end of the window wiper frame, and a spring is arranged on the outer side of a first rotating shaft; a walking roller is connected to the outer side of the spring, a rubber gasket is connected to the outer side of the walking roller, an auxiliary roller is connected to the inner side end of the walking roller, a second rotating shaft is connected to the lower end of the second base, a driven roller is connected to the outer side of the second rotating shaft, and sponge is arranged on the outer side of the second rotating shaft. A walking roller is in contact with front side glass, the walking roller drives a first rotating shaft to rotate through a spring, the first rotating shaft drives an auxiliary roller on the first rotating shaft to rotate, the auxiliary roller is meshed with a driven roller to drive the driven roller to rotate, the driven roller drives a second rotating shaft to rotate, and the second rotating shaft drives sponge on the second rotating shaft to rotate. The structure solves the problem of abrasion of the front side glass and the rubber strip.

The invention provides a tunnel lining trolley with a ventilation pipe capable of smoothly passing through. The tunnel lining trolley comprises a main portal frame, a guide pipe allowing the ventilation pipe to penetrate through and a smoothing assembly, the guide pipe is installed on the main portal frame, the smoothing assembly comprises a plurality of pulleys, the multiple pulleys are arranged in the circumferential direction of the guide pipe, one pulley can rotate around one rotating shaft, the rotating shaft is arranged on the pipe wall of the guide pipe, the axis of the rotating shaft is tangent to the pipe wall, and the peripheral wall of each pulley protrudes out of the peripheral face of an inner hole of the pipe wall. According to the tunnel lining trolley with the ventilation pipe capable of smoothly passing through, the ventilation pipe can be prevented from being scratched and abraded when passing through the tunnel lining trolley, the ventilation pipe is free of bending wrinkles, the service life of the ventilation pipe is prolonged, the ventilation effect is good, the resistance between the guide pipe and the ventilation pipe can be greatly reduced, so that the ventilation pipe can smoothly and stably pass through the tunnel lining trolley, the flexibility is good, and operation is simple and convenient.

The invention discloses a steel supporting plate cleaning machine for partition plate production, and relates to the field of partition plate production equipment. The machine comprises a machine frame, a chain conveyer is arranged on the machine frame in the conveying direction of a steel supporting plate, a plate milling mechanism and a cleaning and brushing mechanism are sequentially arranged on the chain conveyer along the conveying direction of the steel supporting plate, the plate milling mechanism comprises a plate milling box body, a disc-shaped milling cutter is arranged on the innerwall of the plate milling box body, the disc-shaped milling cutter is coaxially connected with a driving motor I, a slag discharging hopper I is arranged at the lower end of the plate milling box body, the cleaning and brushing mechanism comprises a cleaning and brushing box body, cleaning and brushing pair rollers are arranged in the cleaning and brushing box body, brush bristles are uniformly distributed on the outer side walls of the cleaning and brushing pair rollers, the cleaning and brushing pair rollers are connected with a driving motor through a transmission device, a slag discharginghopper is arranged at the lower end of the cleaning and brushing box body, a liquid storage box used for storing an isolating agent is arranged on the cleaning and brushing box body, and an inclineddownward discharging hopper is arranged on the cleaning and brushing box body. According to the machine, automatic conveying is conducted, first cleaning and milling treatment and second cleaning andbrushing as well as coating treatment are combined, so that the method has the advantages that the cleaning efficiency is high, the formed steel supporting plate is prevented from being damaged and the repeated utilization life of the steel supporting plate is prolonged.

The invention relates to a wire harness connector assembly device, which comprises a base. The upper surface of the base is provided with a pre-clamping mechanism for clamping a connector. The base isprovided with a synchronous movement mechanism. The synchronous movement mechanism comprises a first clamping block and a second clamping block. The first clamping block and the second clamping blockare arranged oppositely; the first clamping block and the second clamping block form a clamping mouth; and the first clamping block and the second clamping block move synchronously towards the pre-clamping mechanism to tighten the clamping mouth so as to realize clamping of the connector. According to the wire harness connector assembly device, a first clamping jaw and a second clamping jaw moveoppositely to make a pre-clamping mouth open or close, so that the pre-clamping mechanism is allowed to pre-clamp or release the connector; manual holding of the connector is not needed, thereby reducing labor intensity; and a first moving block and a second moving block move oppositely to make a clamping mouth open or close, and the synchronous movement mechanism is allowed to clamp or loosen theconnector, thereby meeting installation of connector pins of different sizes, avoiding scratches and wear of a cable due to swinging back and forth and preventing the connector pins from being installed improperly due to unstable manual holding and fixing.

The invention discloses a fixing fixture for a semi-conductive rubber roller mandrel press-in device, which includes upper and lower molds. The upper and lower molds are correspondingly provided with a number of fixing grooves, and the two ends of the fixing grooves are respectively provided with cores. hole, the inner wall of the fixing groove is provided with a hard rubber layer, the two ends of the fixing groove are provided with a hard rubber pad, and the position of the hard rubber pad corresponding to the core hole is provided with a through hole, and the through hole and the core The hole concentric setting diameter is greater than or equal to the core hole. The fixture of the present invention is provided with cushion layers made of hard rubber on the inner wall and both ends of the fixing groove, which avoids the abrasion and scratch of the rubber tube by the mold and improves the product yield.

The invention discloses a solar cell coating graphite boat sheet and a graphite boat, and relates to the technical field of solar cell coating. Aiming at the problems that the surface of a silicon wafer is easily scratched in the insertion process of the film-coated silicon wafer of a solar cell to form scratches so as to influence product quality, and the silicon wafer is easy to generate displacement in the insertion process when the silicon wafer is fixed by the electromagnetic force, the following technical scheme is provided: the solar cell coating graphite boat sheet comprises a graphiteboat and graphite boat sheets, and the graphite boat is formed by connecting a plurality of graphite boat sheets side by side. According to the invention, the position between every two graphite boatsheets can be adjusted, so that the surface of the silicon wafer can be prevented from being abraded and scratched by the graphite boat sheets when the silicon wafer is inserted, and the silicon wafer can be limited by corresponding thicknesses through the graphite boat sheets, wherein the graphite boat sheets can be conveniently pushed outwards through the rotary horizontal movement of the pushcylinder through the threaded screwing connection design of the push cylinder on the outer surface of the connecting shaft, so that the distance between the two graphite boat sheets is increased.

The invention discloses a disinfection device for mobile phone disinfection, which belongs to the field of disinfection devices, the disinfection device comprises a shell, a device cover is hinged tothe left side of the top of the shell; the right side of the device cover is clamped with the shell; the inner side of the shell is connected with a bearing plate in a sliding manner; containing cavities are formed in the front face and the back face of the inner side of the bearing plate correspondingly, ultraviolet sterilization lamps are fixedly installed in the two containing cavities correspondingly, four first electric shock connectors are fixedly installed in the bearing plate, and one ends of the four first electric shock connectors are electrically connected with the two ends of the ultraviolet sterilization lamps in a contact mode correspondingly. According to the invention, the sterilization work of the ultraviolet sterilization lamp caused by mistaken touch when the disinfection device is not used can be avoided, the electric quantity waste is avoided, the use standby time of a resource extension device is solved, and a storage battery, the ultraviolet sterilization lamp and a power-on switch of an aromatherapy generator are controlled through a touch screen, so that the use of a user is facilitated.

The special-shaped part cutting equipment for machining comprises a cutting machine, a workbench is fixedly connected to the bottom of the cutting machine, a servo motor is fixedly connected to the center of the bottom of the inner wall of the workbench, and a worm gear is fixedly connected to the output end of the servo motor; fixing plates are longitudinally and fixedly connected to the left side and the right side of an inner cavity of the workbench and located on the two sides of the servo motor, screw rods are movably connected to the inner sides of the fixing plates through bearing seats, and the left sides and the right sides of the screw rods penetrate through the inner sides of the fixing plates through the bearing seats and are movably connected with the left side and the right side of the inner wall of the workbench; gears are fixedly connected to the left side and the right side of the surface of the screw and located on the inner side of the fixing plate. The problem that existing cutting equipment does not have a rapid positioning function is solved, the labor force of manual operation is reduced, the working efficiency of the cutting equipment is improved, and the safety of the cutting equipment is also improved.

The invention discloses a tail jacking system and a spinning machine tool with the tail jacking system, the tail jacking system is installed on a cross beam of the spinning machine tool, the tail jacking system comprises a fixing plate used for jacking a workpiece on a mold, the tail jacking system further comprises a driving assembly, and the driving assembly drives the fixing plate to move in the axial direction of a rotating shaft of the mold so as to press the workpiece or loosen the workpiece. The fixing plate is movably connected with the driving end of the driving assembly in a rotating mode around a rotating shaft of the die. The tail jacking system has the advantages that the characteristics of end socket spinning equipment and the characteristics of end socket die edge closing spinning are fully considered, the structural arrangement is reasonable, a workpiece is effectively pressed, rotation of the workpiece along with a die is not interfered, and the spinning machine tool with the tail jacking system also has the advantages.

The invention discloses a combined frame which comprises upper and lower cross rods, left and right vertical rods and connecting joints. The ends of the adjacent cross rods and the adjacent vertical rods are connected through the connecting joints and form a frame structure in an enclosure mode, at least one pair of connecting joints located on the diagonal line of a frame structure is provided with pull-connecting portions, and pull cables are connected between the two pull-connecting portions located on the diagonal line. The combined frame has the advantages of being simple and compact in structure, convenient to install, long in service life, stable and reliable.

A drilling device comprises a supporting frame, a drilling mechanism and a movement mechanism, a positioning mechanism is arranged on the supporting frame, a collecting hopper and a discharging pipe are installed below the supporting frame, the drilling mechanism is fixed above the supporting frame through the movement mechanism, and the positioning mechanism is arranged on the supporting frame. The movement mechanism comprises a transverse movement mechanism, longitudinal movement mechanisms and vertical movement mechanisms, the drilling mechanism is connected to the transverse movement mechanism, the two ends of the transverse movement mechanism are connected to the upper ends of the two linked vertical movement mechanisms respectively, and the lower end of each vertical movement mechanism is connected to the two linked longitudinal movement mechanisms respectively. The two longitudinal movement mechanisms are horizontally connected to the two parallel borders of the supporting frame.

The invention discloses a connector for a frame sash structure. The connector comprises a connector body, at least two connecting parts for being connected with a frame sash rod are arranged on the connector body, a pull joint part and an inserting joint part are further arranged on the connector body, an inhaul cable is arranged on the pull joint part in a matched mode, and a plug pin is arranged on the inserting joint part in a matched mode. The connector for the frame sash structure has the advantages of being simple and compact in structure, convenient to mount, long in service life, high in mounting precision and stable and reliable in locking and tightening.

The invention relates to the field of anti-counterfeiting printing, in particular to a holographic information layer, an anti-counterfeiting film and an identification assembly. The holographic information layer comprises a base layer, an imaging layer, a plating layer and an adhesive layer which are stacked in sequence; the imaging layer is provided with holographic patterns; the plating layer isprovided with a plurality of through holes penetrating through the plating layer in the thickness direction. The size of the through hole is smaller than 250 microns; the distance between every two adjacent through holes is larger than or equal to 500 microns. And the through holes are filled with a binder, and the binder is used for bonding the plating layer and the imaging layer. The holographic patterns in the imaging layer cannot disappear due to the arrangement mode of the through holes in the plating layer; binding agents used for bonding the plating layer and the imaging layer are arranged in the through holes, the binding agents in the through holes can further improve the adhesive force between the plating layer and the layer structure on the side away from the imaging layer, andthe problem that the imaging layer and the plating layer are prone to separation due to large material difference is effectively solved.