28results about How to "Reduce the angle" patented technology

This utility model discloses a multi-axis automatic positioning mechanism for an electro-hydraulic bending machine, belonging to the technical field of bending machines. The multi-axis automatic positioning mechanism for an electro-hydraulic bending machine includes a base, a limiting mechanism on the base for positioning the sheet metal, a fixed seat fixed to the top of the base, two bearing seats mounted on the fixed seat, a drive shaft rotatably connected between the two bearing seats, two connecting seats fixed to the outside of the drive shaft, a flipping plate fixed to the connecting seats, a rubber pad connected to the top of the flipping plate, a drive mechanism on the fixed seat for driving the drive shaft to rotate, and a buffer assembly on the base. This utility model solves the problem that existing automatic positioning mechanisms for bending machines cannot dynamically support the sheet metal. By setting a flipping support structure, this utility model provides real-time support to the bottom of the sheet metal during bending, effectively preventing sagging, displacement, or deformation of the sheet metal due to its own weight or uneven force.

The invention relates to a spacer knit, comprising two knit layers (1) and spacer yarns (2) connecting the knit layers (1), the knit layers (1) having loops following one another in the production direction (P), the loops having an average loop spacing of a, the knit layers (1) having openings (3) which extend in the production direction (P) by a length l, the length l being greater than 2*a, and the openings (3) of the two knit layers (1) being arranged substantially overlapping one another and forming opening pairs (4) accordingly. At least at some of the opening pairs (4), at least one pair (5) of crossing spacer yarn sections (6) is arranged respectively, which extend in the transverse direction (Q) of the openings (3), wherein at these opening pairs (4) the number of pairs (5) of crossing spacer yarn sections (6) is less than l / 2a.

The utility model discloses a transformer coil winding mechanism relates to transformer coil winding field, the utility model discloses a coil main body, both ends of coil main body all are provided with the pivot, the lower portion of pivot is provided with the guide rod, the one end of guide rod is provided with the abutment ring, the utility model discloses a guide rod, because the guide rod is in the inclined state, the pivot will along its downward rolling, and when reaching certain position is limited by the limiting block, at this moment, the operator can carry out careful check to transformer coil, after checking, the staff only needs to push the pivot simply, makes it continue to slide down along the guide rod through the limiting block, until the position of abutment ring, avoided the cumbersome that traditional winding mechanism needs to use hoisting mechanism to carry in the transportation process, reduced the binding, the hook and the control hoisting angle etc. Step, the working efficiency has been improved significantly, and the use convenience of transformer coil winding mechanism has been enhanced.

A heterodyne interferometer device and method based on wavefront regulation target mirror belong to laser interferometer measurement technical field, the present application solves the problem of insufficient system interference keeping ability under the condition of large angle deflection of target mirror. The device comprises a heterodyne interference mirror group and a wavefront regulation target mirror, the heterodyne interference mirror group separates a bundle of input light beams into a first measurement light beam and a first reference light beam, and separates another bundle of input light beams into a second measurement light beam and a second reference light beam, the wavefront regulation target mirror is installed on the measured object, and the second measurement light beam is reflected to form a return measurement light beam and returns to the heterodyne interference mirror group, when the measured object occurs angle deflection such as pitching or yawing in the movement process, the wavefront regulation target mirror deflects synchronously with the measured object, the return measurement light beam is parallel to the second measurement light beam, the change of the return measurement light beam caused by large angle deflection of the wavefront regulation target mirror is more manifested as the position translation of the optical axis, thereby weakening the angle mismatch and wavefront mismatch.

The utility model relates to the technical field of frame support, concretely is the light weight anticollision support subassembly of frame assembly, including the support beam of installing in the side surface of longitudinal beam, and the both ends of longitudinal beam are connected with the crossbeam for fixing longitudinal beam, the outer surface of support beam is equipped with through -hole, the upper surface of support beam is equipped with guide slot, in the utility model, the plug -in column is inserted with the side surface of longitudinal beam, ensures that support beam can be connected to the longitudinal beam quickly and firmly, through this mode, the assembly personnel can complete the installation of support beam in short time, lay the foundation for the subsequent fastening work, the guide rod penetrates support beam, plays the guiding role in the installation process, ensures that support beam can move to the predetermined position, through the electric wrench screwing screw column, can adjust the interval between extruding seat and support beam, makes the angle between articulated rod and support beam reduce, namely can make the plug -in column of socket outward slide and complete, complete the quick -mounting of device.

The invention relates to the technical field of etching solutions, in particular to a low-angle aluminum etching solution composition which comprises the following components in percentage by mass: phosphoric acid, nitric acid, acetic acid, 6-nitrourea pyrimidine, 3-amino-1, 2, 4-triazole and the balance of deionized water. According to the method, nitric acid is used for oxidation, phosphoric acid is used for etching, acetic acid is used for adjusting the pH value of etching liquid, 6-nitrourea pyrimidine and 3-amino-1, 2, 4-triazole are jointly matched to reduce aluminum etching, the etching speed of Al is reduced while the etching speed of a Mo layer is slightly high through combination with Al, the angle is controlled by controlling the etching speed of Mo and Al, and the etching speed of Mo and Al is greatly improved while the Al is effectively etched. The Al angle is reduced as much as possible, and the method has important significance in improving the fineness and the product yield of a panel manufacturing process.

The utility model discloses a sheet metal part positioning bending device, including device main part, setting on the bending assembly and positioning assembly of device main part, the bending assembly includes the bending groove and with the lower pressure mechanism of bending groove correspondence, and the positioning assembly includes the positioning baffle and support plate respectively setting in the both sides of bending groove, and the end surface of support plate is flush with the end surface of bending groove, and the both sides of support plate are provided with two sets of positioning shafts, and the positioning shaft is swing setting. The positioning baffle in scheme ensures the sheet metal part end positioning precision, avoids the sheet metal part along the length direction deviation when bending. The support plate is flush with the end surface of bending groove, eliminates the height difference of both junctions, prevents the partial deformation or surface indentation of sheet metal part after placing. The swing setting positioning shaft replaces the traditional manual holding positioning mode, reduces the safety risk of the hand of operating personnel being injured by the lower pressure mechanism, can continuously limit the top surface of sheet metal part, reduces the bending position deviation and angle fluctuation, and improves the bending precision.

The invention relates to the technical field of laser welding and discloses laser welding equipment and a welding technology.The laser welding equipment comprises a supporting base, a supporting positioning mechanism is connected to the top end of the supporting base, an auxiliary positioning mechanism and an auxiliary butt joint mechanism are connected to one end of the top of the supporting positioning mechanism, and the auxiliary positioning mechanism comprises two supporting positioning frames; according to the auxiliary positioning mechanism, through the positioning lead screw, the movable base, the clamping frame and other assemblies in the auxiliary positioning mechanism, precise positioning and stable clamping of a strip-shaped workpiece are achieved, the precision problem of manual butt joint is avoided, the working efficiency is improved, and the working efficiency is improved. The butt joint precision of the workpieces before welding is obviously improved; a driving wheel and an anti-skid ring in the auxiliary butt joint mechanism are used for driving the strip-shaped workpieces to move slowly, stable butt joint of the two strip-shaped workpieces is achieved, position deviation and angle deviation are reduced, and guarantee is provided for high-quality welding; and the long-strip-shaped workpiece is stably controlled during laser welding.

The utility model provides a kind of construction engineering protective screen, it is related to protective screen technical field, the utility model includes protective screen body, protective screen body is installed and fixed on ground by connecting column and provides protection for personnel, wherein protective screen body is combined by first protective screen and second protective screen;Adjusting component, wherein adjusting component is arranged between first protective screen and second protective screen, the length and size of protective screen body are adjusted by changing the spacing between first protective screen and second protective screen, the length and angle of protective screen body can be flexibly changed by setting adjusting component, so that protective screen body can be adapted to a variety of ground and scene use, reduce the length of protective screen body after installation or angle is not adapted, cause the gap between protective screen body and building or another protective screen body, so that gap area is not protected, affect the situation of the effect of personnel protection, improve the installation flexibility and use convenience of protective screen body.

The utility model provides efficient Chinese wolfberry impurity screening and separating equipment, and relates to the technical field of Chinese wolfberry separating equipment, the efficient Chinese wolfberry impurity screening and separating equipment comprises a screening box, the lower end face of the screening box is fixedly provided with four walking wheels, the right side of the upper end face of the screening box is provided with a feeding port, and the lower portion of a left side plate of the screening box is provided with a discharging plate. Firstly, an air suction pipe on the surface of a partition plate is externally connected with a fan, the air suction range is enlarged through an umbrella-shaped structure at the lower end of the air suction pipe, light impurities such as leaves are sucked out of a screening box, and meanwhile, a filter plate achieves separation of the Chinese wolfberry and small impurities through filter holes in the surface of the filter plate; the problems that existing screening equipment still has defects in the screening effect, the speed of the Chinese wolfberries entering a screening box cannot be controlled, and if the Chinese wolfberries contain many impurities and the speed of the Chinese wolfberries entering the screening box is high, the impurities in the Chinese wolfberries cannot be cleaned up are solved.

The utility model provides a gas-liquid separator with an embedded spoiler, which relates to the technical field of gas-liquid separation equipment and comprises a barrel, a support plate is arranged in the barrel, a fixing groove is arranged on the surface of the support plate, a rotating shaft is arranged on the surface of the fixing groove, a spoiler component is arranged on the surface of the rotating shaft, and a damping shaft is arranged at the end of the spoiler component. The rotating shaft, the damping shafts and the turbulent flow assemblies are arranged in a linear array mode, the adjacent turbulent flow assemblies are rotationally connected through the damping shafts, through holes are formed in the surfaces of the turbulent flow assemblies, and fixing bolts are arranged on the surfaces of the turbulent flow assemblies. Liquid introduced from the upper portion is buffered and shunted through the three layers of turbulent flow assemblies, same-frequency resonance damage to the barrel caused by large inflow flow pressure is avoided, the service life of the barrel is prolonged, meanwhile, the turbulent flow assemblies can be rotationally adjusted through the rotating shafts and the damping shafts, and personnel can flexibly adjust the angles of the turbulent flow assemblies according to actual working conditions.

This invention relates to an improved lithium battery separator extraction device, comprising multiple extraction tanks arranged in a row and adjacent to each other, each containing an extractant. An upper guide roller and a lower guide roller are mounted on the inner wall of each extraction tank, positioned above and below the surface of the extractant, respectively. The extractant flows sequentially through an overflow orifice in the opposite direction of separator movement through each extraction tank. A drain outlet for the extractant is located on the front side wall of the first extraction tank along the separator movement direction. A scraper roller assembly for scraping extractant from the separator is located above the last extraction tank. The drain outlet is positioned relative to the lower edge of the lower guide roller in the extraction tank, ensuring that the angle between the separator and the extractant surface is 0-30° when the separator enters the extraction tank. This significantly reduces the angle at which the separator initially enters the extractant and shortens its residence time in the extractant, effectively reducing deformation of the separator's micropores.

The invention provides a display substrate and a display device. The display substrate comprises a substrate, peep-proof sub-pixels, a first shading layer and a second shading layer. Wherein the peep-proof sub-pixel is located on one side of the substrate; the first shading layer is located on the side, away from the substrate, of the peep-proof sub-pixel; the first shading layer is provided with a plurality of first openings corresponding to each peep-proof sub-pixel; the second light shielding layer is located on one side, deviating from the peep-proof sub-pixels, of the first light shielding layer; the second light shielding layer comprises a first light shielding structure, and the orthographic projection of the first light shielding structure on the substrate is located between the orthographic projections of the adjacent first openings on the substrate; and the second shading layer is made of a metal material. The peep-proof effect and the display effect can be improved at the same time.

A small swing angle switch, comprising a panel, a pressing plate, a knob assembly, a moving contact and a stationary contact, the panel is rotationally arranged on the pressing plate, the knob assembly comprises a knob, the pressing plate is provided with a mounting cavity, the knob is rotationally arranged in the mounting cavity, the switch further comprises a sliding plate which is slidingly arranged on the pressing plate, the sliding plate can slide between a first position and a second position, the panel and the sliding plate are drivingly matched, the sliding plate is connected with the knob, and the pressing plate, the sliding plate and the panel are sequentially arranged; the sliding plate comprises a first driving arm and a second driving arm which are arranged at intervals, the knob assembly comprises a first driven arm and a second driven arm which are located on both sides of the knob, the sliding plate can slide under the drive of the panel, the first driven arm is driven through the first driving arm or the second driven arm is driven through the second driving arm, so as to drive the knob to rotate, the knob assembly can drive the moving contact to contact or separate from the stationary contact, through the arrangement of the sliding plate and the driving arm on the sliding plate, the sliding plate slides with less displacement, and the panel swings with a smaller angle.

The utility model belongs to the technical field of conveying equipment, and relates to a novel steel material conveying line which comprises a head assembly, a tail and tensioning assembly, a surface increasing wheel and a rack, an upper carrier roller, a lower carrier roller, a vertical roller, a baffle assembly and a buffer chute are installed on the rack, and a special conveying belt used for conveying materials is arranged on the carrier rollers. The special conveying belt comprises a base belt and a replaceable short belt, the lower carrier roller comprises a lower carrier roller frame and a lower carrier roller roller, the surface increasing wheel comprises a mounting frame and a surface increasing wheel body, the head and the driving combination are used for driving the special conveying belt, steel materials are conveyed to a buffering chute of the head from the tail and fall to a downstream conveying line, and continuous conveying of the steel materials is completed. The special conveying belt is adopted to replace a traditional conveying belt, the abrasion resistance, the anti-tearing performance and the replaceability of the conveying belt are improved, and conveying of steel materials such as scrap steel with lumpiness, complexity, sharp edges and corners, high abradability and impact characteristics is completed.

The present application relates to the field of precision machining, and particularly relates to a boring tool grinding device, which comprises a supporting bottom plate, a supporting disc rotatably arranged on the supporting bottom plate, and an optical detection head arranged on the side of the supporting disc, a synchronous device mounting plate driven to lift by a hydraulic cylinder is arranged above the supporting disc, a synchronous device is arranged on the synchronous device mounting plate, the synchronous device comprises a synchronous main gear, a plurality of synchronous sub gears, and an adjusting mechanism arranged correspondingly with the synchronous sub gears, and a polishing device is connected below the adjusting mechanism. A driving motor transmits power to the polishing device through a telescopic transmission mechanism, so that the polishing device can still work stably after radial adjustment. The present application can improve the grinding uniformity and machining stability of the blade surface and the arc transition position of the boring tool, and is suitable for the production grinding and repair machining of boring tools with different sizes.

The invention discloses a ceramsite concrete block pouring device, which relates to the technical field of building material production, and comprises a base and a pouring mechanism, the upper end of the base is symmetrically and fixedly connected with two electric sliding rails, and the side walls of the two electric sliding rails are jointly and slidably connected with a portal frame. The pouring mechanism comprises a distribution pipe fixedly connected to the upper end of the portal frame, the lower end of the distribution pipe penetrates through the top in the portal frame and is fixedly connected with a pouring head, a plurality of pouring openings are formed in the bottom in the pouring head, the inner wall of each pouring opening is rotationally connected with a valve plate through a pin shaft, and the other end of each valve plate is rotationally connected with a flow guide plate through a pin shaft. The lower end of the pouring head is fixedly connected with multiple vertical frames. According to the invention, by dispersing multi-strand instantaneous material distribution, a traditional centralized accumulation material distribution mode is changed, so that the aggregate distribution in the formed building block is extremely uniform and has no density gradient, and the consistency of mechanical properties and the stability of thermal insulation performance of a product are improved.

This invention relates to the field of grounding angle steel construction technology and provides a construction device for grounding angle steel of roadbed contact network foundation. The device includes a telescopic base frame, with main trusses fixedly connected to the four corners of the upper surface of the telescopic base frame. Folding ground anchors are symmetrically hinged to both sides of the telescopic base frame. A telescopic top frame is fixedly connected to the top of the main truss. A horizontal positioning device is fixedly installed on all four sides of the telescopic top frame. Folding handles are symmetrically hinged to both sides of the telescopic top frame. A protective net is installed at the bottom of the telescopic top frame. Guide components are installed inside both the telescopic base frame and the telescopic top frame. This construction device for grounding angle steel of roadbed contact network foundation can automatically drive the grounding angle steel by striking it with a hammer and buffer pad as the hollow tube moves downwards. This reduces the problem of unsatisfactory angle and depth when manually driving the grounding angle steel, improves the construction efficiency, and ensures the quality after construction.

The invention particularly relates to a novel automobile chassis angle regulator and a connecting method thereof. The adjustor adjusts the connection damping between the anti-roll rod and the anti-roll rod suspender or the straight and bent arm of the chassis or other fixed points by connecting the anti-roll rod and the anti-roll rod suspender or the straight and bent arm or other fixed points of the chassis of the automobile, so that the purpose of reducing the turning side roll of the automobile or improving the linear driving quality is achieved.

The present application relates to the technical field of floating photovoltaic power generation device, especially to an anti-deformation water surface floating photovoltaic power generation device. The device comprises a mounting plate, the upper side of the mounting plate is hinged with an adjusting plate, the adjusting plate is provided with a photovoltaic panel, the mounting plate is hinged with a first fixed shell, the first fixed shell is slidingly connected with a first sliding rod, the mounting plate is fixedly connected with an air bag, the air bag is connected with a first communication pipe, the first communication pipe is connected with a double-control communication shell, the double-control communication shell is connected with a second communication pipe, and the middle part of the air bag is fixedly connected with a partition plate. The angle of the adjusting plate is adjusted, the rotating direction of the adjusting plate is opposite to the rotating direction of the mounting plate, the angle of the photovoltaic panel generated by rotation is reduced, the intensity of the light received by the photovoltaic panel is ensured, the power generation efficiency is maintained, and the flexible connection avoids the deformation of the mounting plate caused by wave impact.

The utility model belongs to rice drying technical field, specifically is a rice drying device for rice processing, including the chassis, adjusting mechanism and drying cylinder, the drying cylinder passes through adjusting mechanism and is installed on the chassis, is used for the drying operation of rice, motor, motor fixed mounting is in the drying cylinder surface, the output shaft of motor is through the lateral wall rotation connection of drying cylinder, the motor is speed reducer motor, the drying cylinder rotation is connected with the drum in, the drum passes through motor drive, the output shaft between the drum and motor is through the gear meshing drive, can mix rice, repeatedly turn over through the drum, further avoid the appearance stacking, the heat flow in the drying box can not carry out the drying to the rice in the inside, also avoided the drying energy consumption high and the drying uneven etc. problem, finally, the rice after drying is discharged through the discharge gate.

The utility model belongs to the technical field of crankshaft detection equipment, and disclose a refrigerator compressor crankshaft eccentricity gauge, including work table, the upper surface fixed connection of work table has the supporting plate, the outer fixed surface of supporting plate is connected with the slide rail, the outer surface fixed connection of electric sliding block that has of slide rail is connected with, electric sliding block's outer surface fixed connection has the mounting seat, the inside fixed connection of mounting seat has the motor, the output fixed connection of motor has the rotating shaft, the outer surface fixed connection of rotating shaft has the rotary lever, the rotary lever is fixedly connected with the mounting plate away from the one end of rotating shaft, the outer surface fixed connection of mounting plate has the clamp, the upper surface fixed connection of work table has the base, the upper surface fixed connection of base has the hydraulic cylinder, through the cooperation of slide rail, electric sliding block, mounting seat, motor, rotating shaft, clamp and rotary lever, can effectively clamp the work piece of different size and drive its rotation, drive work piece rotation can guarantee the even coverage and consistency of measuring point, ensure that eccentricity measurement is more accurate.

The utility model relates to a COB light-emitting device and a light-emitting device. The COB light-emitting device comprises a light-emitting assembly, a plurality of first lenses and a plurality of second lenses. The light-emitting assembly comprises a plurality of light-emitting chips and is provided with a plurality of light-emitting areas, and each light-emitting area is formed by the light-emitting face of the corresponding light-emitting chip. The plurality of first lenses are in one-to-one correspondence with the plurality of light-emitting areas, each first lens is arranged on the light-emitting chip of the corresponding light-emitting area, the minimum included angle between the section line of the side surface of each first lens on the optical axis section and the extension line of the section line of the bottom surface of each first lens is theta, and theta is greater than 45 degrees and greater than 90 degrees. The second lens is arranged on the light-emitting assembly and comprises a plurality of lens parts which are connected with one another, the plurality of lens parts are in one-to-one correspondence with the plurality of first lenses, and each lens part is arranged above the corresponding first lens at intervals. According to the COB light-emitting device, light emitted by the light-emitting chip is collected through the arrangement of the first lens, the size of the second lens is obviously reduced, the size of the device is obviously reduced, and miniaturization of the COB light-emitting device is facilitated.

The invention provides a control method of intelligent refrigeration equipment, a camera used for shooting the interior of the refrigeration equipment is installed in a frame of one side, far away from a rotating shaft, of a cabinet door of the refrigeration equipment, the cabinet door is provided with an angle sensor used for detecting the opening angle of the cabinet door, and the cabinet door is provided with an electronic damper. The electronic damper is used for changing damping force when the cabinet door is closed, and the method comprises the following steps: determining that the cabinet door rotates towards an angle range of a shot image according to data of an angle sensor, and shooting is needed at present; and when the cabinet door reaches a preset angle range, damping force is applied to the cabinet door through an electronic damper, so that the angular velocity of the cabinet door is smaller than or equal to a threshold value when the cabinet door rotates to the angle range of image shooting.

The utility model provides a thread shifting mechanism of a sewing machine, and belongs to the technical field of sewing machines. The problem that an existing wire shifting mechanism is insufficient in working reliability is solved. According to the thread shifting mechanism of the sewing machine, the sewing machine comprises a base and a rotating shuttle arranged in the base, the thread shifting mechanism comprises a thread shifting rod and a strip-plate-shaped thread shifting base located on the side portion of the rotating shuttle, the thread shifting rod is arranged on the thread shifting base, and the end portion of the thread shifting rod can stretch into the upper portion of the rotating shuttle to do circumferential circulating motion. The end, away from the rotating shuttle, of the thread shifting base is rotationally arranged on the base, a driving piece is further arranged on the base, and the driving piece can drive the other end of the thread shifting base to horizontally swing forwards so that the end of the thread shifting rod can be away from the rotating shuttle. The thread shifting rod can be effectively prevented from colliding with the thread trimming movable cutter, so that the reliability of sewing work is remarkably improved.

The invention relates to the technical field of additive manufacturing equipment. The closed type environment-friendly charging and mixing device for ceramic 3D printing large-scale production comprises a base, a stirring bin, a stirring device and a top cover, the top cover and the stirring bin are closed to form a closed space, and the requirement for environment-friendly production is met. The stirring device is composed of a driving device, a movable device and an adjusting device, and the driving device, the movable device and the adjusting device cooperatively construct a multi-dimensional three-dimensional stirring flow field. The driving device provides double transmission power, the movable device achieves accurate power transmission and stirring track fine adjustment, and the adjusting device can flexibly adjust the stirring posture and the material contact range. Through multi-component linkage, ceramic powder is effectively prevented from sinking to the bottom and caking, the mixing requirements of materials with different viscosities are met, the material mixing uniformity and the production continuity are improved, the maintenance cost and the material waste are reduced, the structure is stable and reliable, the device is suitable for ceramic 3D printing large-scale production, and good practicability and popularization value are achieved.