43results about How to "Move down smoothly" patented technology

A paper feeding device is characterized by comprising a slide block, a linear guide rail, an adjusting support plate, a paper feeding cutter, an adjusting bolt, a spring and an adjusting seat, wherein the linear guide rail is connected with the paper feeding cutter, the slide block is fixedly connected with the adjusting seat, or the linear guide rail is connected with the adjusting seat, the slide block is fixedly connected with the paper feeding cutter, the slide block and the linear guide rail are in clearance fit, the adjusting bolt is in threaded fit with the upper part of the adjusting seat, the spring is sleeved on the adjusting bolt and mounted between the adjusting support plate and the adjusting seat, and the adjusting support plate is fixedly connected with the paper feeding cutter. The work method of the paper feeding device comprises the following steps: 1, adjusting paper feeding cutter downwards, rotating the adjusting bolt, moving the paper feeding cutter downwards, and adjusting properly; and 2, adjusting the paper feeding cutter upwards, reversely rotating the adjusting bolt, moving the paper feeding cutter upwards and adjusting properly. The paper feeding device has the advantages as follows: the working end surface of the paper feeding cutter head is circular arc-shaped, so that the quality rate is improved; the thickness of the paper feeding cutter is increased, and the phenomena of double paper pieces are reduced; and by using a linear guide rail pair, the adjusting is convenient, and the actions are smooth.

The invention provides a wind resisting window shade. The wind resisting window shade comprises cord fabric, a window cover and a reel pipe assembly which is rotationally assembled in the window cover. The cord fabric is externally wound around the coil pipe assembly. The coil pipe assembly rotates to drive the cord fabric to be unfolded or folded. The two ends of the window cover are each downwards fixedly connected with a side rail. Longitudinal openings are formed in the sides, facing the cord fabric, of the side rails. The side rails are internally provided with clamping structures in the longitudinal direction. Gaps are arranged on the sides, facing the cord fabric, of the clamping structures. Upper openings of the gaps are communicated with the window cover. The two side edges of the cord fabric penetrate through the longitudinal openings of the side rails on the same side and the gaps of the clamping structures to stretch into inner cavities of the side rails and to be transversely and fixedly connected to flexible positioning pieces, and the outer diameter of the flexible positioning pieces is larger than the width of a gap between two clamping strips. The flexible positioning pieces are a plurality of beads arranged on the two side edges of the cord fabric in an injection molding mode. The flexible positioning pieces are formed in the injection molding mode, the technology is simple, and the work hours and the machining cost can be obviously reduced.

The invention discloses a pipe cutting device which comprises an air cylinder, a first rotary plate, a transmission rod, a second rotary plate, a third rotary plate, a first driving rod, two second driving rods, two third driving rods and two clamping heads, wherein a cutting wheel is mounted on the first rotary plate. When the air cylinder drives the first rotary plate to rotate, the cutting wheel moves up and down. When the first rotary plate rotates, the first rotary plate passes through the transmission rod, the second rotary plate, the third rotary plate, the first driving rod, the two second driving rods and the two third driving rods successively to drive the two clamping heads to meet each other or separate from each other, so that the two clamping heads clamp or loosen a pipe to be cut. Moreover, the pipe cutting device is provided with a hydraulic damper. When the first rotary plate rotates so that the cutting wheel moves down, the hydraulic damper can apply damping force to the first rotary plate. When the pipe cutting device cuts the pipe, a clamping mechanism is driven to automatically clamp the pipe in a mechanical transmission way, and manual control or programmed control is not needed.

The invention discloses a technical solution of a construction method of an automatic sewage interception closed conduit. The construction method comprises the following steps: 1, making a slag removal device; 2, making a moving device; 3, making a conduit body; and 4, implementing on-site construction. The construction method provided by the invention is not only simple in structural compositionbut also low in closed conduit maintenance cost; the construction method provided by the invention, which is enough in structural intensity, can collect solid waste and residues in the closed conduit,so as to prevent the closed conduit from getting blocked by the solid waste in discharge, and to enhance underwater and rainwater discharge functions of the closed conduit; and therefore, a risk of flood due to river blockage can be avoided.

The invention relates to drilling equipment, in particular to fixed type ceramic tile floor drilling equipment for construction engineering. According to the technical purposes of the fixed type ceramic tile floor drilling equipment for the construction engineering, the drilling process can be defined, the consumed time is short, and operation is easy and convenient. The fixed type ceramic tile floor drilling equipment for the construction engineering comprises supporting legs, a connecting plate, adjusting mechanisms, drilling mechanisms, an operating table, a guiding frame and the like; theconnecting plate is arranged on the tops of the left and right side supporting legs; the adjusting mechanisms are installed on the supporting legs; the drilling mechanisms are installed on moving parts of the adjusting mechanisms; the position, close to the middle lower portion, between the left and right side supporting legs is connected with the operating table; and the middle portion of the operating table is provided with a through hole. According to the fixed type ceramic tile floor drilling equipment for the construction engineering, due to mutual cooperation between the adjusting mechanisms and the drilling mechanisms, drilling is performed on ceramic tile floors placed on the operating table; and meanwhile due to optimization of a spraying mechanism and a fixed mechanism, the effects that the drilling process can be defined, the consumed time is short, and operation is easy and convenient are achieved.

The invention relates to a pyrography machine lower plate seat capable of automatically adjusting levelness, which comprises a horizontal bottom plate, two parallel sliding chutes are formed in the top end of the bottom plate, a supporting seat in sliding connection with the sliding chutes is arranged in the sliding chutes, and a drawing board in clamping connection with the supporting seat is arranged at the top end of the supporting seat; a plurality of roller grooves are formed in the bottom end of the supporting seat in the length direction of the sliding grooves, rollers are arranged in the roller grooves, and shaft sleeves connected with the roller grooves in an up-down sliding mode are arranged between the roller grooves and the rollers. According to the pyrography machine lower plate seat capable of automatically adjusting the levelness, the rollers moving up and down in the roller grooves are used for keeping parallel to an upper plate, the situation that the lower plate seat cannot be tightly attached to the upper plate after being heated and deformed is effectively prevented, and the pyrography effect is guaranteed; the base plate is supported by a base capable of automatically adjusting the horizontal position, the base corrects the height difference of the four corners of the base by recognizing the inclined direction, the adjusting mode is accurate and reliable, and the levelness of the base and the drawing board on the base is effectively guaranteed.

The invention discloses an adjustable mechanical equipment maintenance platform. The adjustable mechanical equipment maintenance platform comprises a base, a worktable, a first auxiliary plate and a second auxiliary plate; a tool box is arranged on the left side of the upper end of the base; a connecting plate is placed in the tool box; a vertical plate is arranged on the right side of the tool box and positioned on the base; a first chute is formed in the right side of the vertical plate; a first slide block is slidingly connected into the first chute; a first slide rail and a second slide rail are arranged at the lower end of the worktable in sequence from inside to outside; multiple sets of first hydraulic cylinders are arranged at the upper end of a flat plate; the upper ends of the first hydraulic cylinders are connected into the first slide rail through bearings; two sets of extension rods are arranged on two sides of the upper end of the base; and the shifting-up or the shifting-down of mechanical equipment from the worktable can be easily finished without needing manual hoisting of the mechanical equipment, so that the physical strength is saved, the maintenance use is convenient, and the defects of need of manual hoisting of the mechanical equipment in a traditional equipment maintenance platform is solved.

The invention provides a crimping connector. The crimping connector comprises a substrate, a press plate and two elastic parts, wherein the press plate is arranged on the substrate, the two elastic parts are arranged between the substrate and the press plate and are formed by continuously bending, the two elastic parts are arranged below the press plate at intervals, the two elastic parts has elasticity in a vertical direction so that the press plate elastically moves along the vertical direction, pressure borne by the press plate can be uniformly allocated to the two elastic parts, balanced elastic support can be given to the press plate by the two elastic parts, the press plate is enabled to stably move downwards, and longer service lifetime of the two elastic parts is also ensured; andsince the two elastic parts are not overlapped in the vertical direction, the two elastic parts cannot be intervened by each other during the vertical elastic deformation process, the bending step ofthe elastic parts is simple during manufacturing, and the crimping connector is easy to manufacture.

The invention discloses a method for preparing finger spindle compact spinning knitted flannel. The method comprises the following steps of: dyeing fibers, mixing and opening the fibers, carding machine, gilling in two passes, combing machine, gilling in two passes, drawing, roving, finger spindle compact spinning fine complexing, two-for-one twisting and forming finished knitted flannel, wherein 1) a negative pressure device is additionally arranged at a front roller outlet, so that the fibers can move according to a specified motion track, and short fibers which influence smoothness of resultant yarns are adsorbed; and 2) the spinning spindle used in the process of twisting the fibers out of the front roller is a spindle with a spindle end finger, wherein the spindle comprises a spindle body, and is characterized in that the spindle end finger is arranged at the tail end of the spindle, and the other end of the spindle end finger is connected with a yarn guide hook. According to the technical scheme, due to the combination, the twist required by tight yarns with the specified smoothness is reduced, the production efficiency is correspondingly improved by 10 to 30 percent, the consumption is synchronously reduced, and the yarn breakage is reduced by 50 percent.

The invention discloses a clinical angiograpnic injection device for a cardiovascular medicine department, the clinical angiograpnic injection device for the cardiovascular medicine department comprises a bottom cavity and a connecting rod fixedly connected to the bottom cavity, wherein the top end of the connecting rod is fixedly connected with a displayer through a cross rod; and a walking part, wherein the walking part comprises a mounting cavity, a supporting rod and walking wheels; circular rings are arranged on the outer surface of the bottom cavity in an annular array mode, the multiple supporting rods are slidably connected into the circular rings respectively, the mounting cavity is fixedly connected to the lower ends of the supporting rods, the walking wheels are rotationally connected into the mounting cavity, and the walking part is used for moving the angiograpnic injection device. When a push rod and a sealing plug fixed to the push rod move downwards, liquid located on the lower side of the sealing plug flows upwards through the through hole in the sealing plug, so that the downward movement of the push rod is buffered, and the piston rod can stably and smoothly move downwards for injection.

The invention provides a fracturing nipple and a fracturing string comprising the fracturing nipple. The fracturing nipple comprises an outer barrel, an inner sliding sleeve, a fracturing sleeve, and a supporting body; a fracturing hole capable of communicating the inside and the outside is formed in the wall of the outer barrel; the inner sliding sleeve is arranged in the inner cavity of the outer barrel and can close the fracturing hole; the inner sliding sleeve can move relative to the outer barrel so as to release the closing of the fracturing hole; the fracturing sleeve is arranged on the outer wall of the outer barrel, can block the fracturing hole and can be damaged under the action of pressure; and the fracturing hole is filled with the supporting body which is used for supporting the fracturing sleeve and can fall off under the action of pressure. According to the fracturing nipple and the fracturing string comprising the fracturing nipple, impurities in a shaft are effectively prevented from entering the inner sliding sleeve, cement paste is effectively prevented from entering the inner sliding sleeve from the fracturing hole in the well cementation and paste replacement process, and then normal and smooth opening of the inner sliding sleeve is protected.

The invention discloses an anti-scale steam boiler convenient to clean and relates to the technical field of boiler equipment, the anti-scale steam boiler comprises a boiler, a threaded pipe is slidably connected to the center of the upper surface of the boiler in a penetrating mode, a first connecting pipe is fixedly connected to the lower end of the threaded pipe, and a first through hole is formed in the circumferential side face of the first connecting pipe in a penetrating mode; and the lower end of the first through hole is fixedly connected with a second connecting pipe, a first threaded groove is formed in the upper end of the inner wall of the second connecting pipe, scraping rods are fixedly connected to the front side face and the rear side face of the second connecting pipe, through grooves are formed in the side faces of the scraping rods, and second through holes are formed in the lower end of the inner wall of the second connecting pipe and the inner walls, close to the second connecting pipe, of the through grooves in a penetrating mode. The technical problems that an industrial boiler is generally large in size, the interior of a boiler shell cavity is deep, a long tool needs to be used when a filtering device is taken out, meanwhile, the problem that scale falls into a boiler shell due to the fact that the filtering device inclines laterally when the filtering device is taken out is solved, the operation of taking out the scale is tedious, errors are prone to occurring, labor is consumed, and the efficiency is low are solved.

The invention discloses a moving device of a roller. The moving device comprises a swing arm for driving the roller to swing and a transmission mechanism for driving the swing arm to swing. The problem that cloth feeding is inconvenient due to the fact that the roller cannot move is solved.