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

The invention provides a wind-resistant and sun-shading curtain, and belongs to the technical field of machinery. The wind-resistant and sun-shading curtain solves the problem that the available curtain is poor in wind resistance. The wind-resistant and sun-shading curtain comprises curtain rolling cloth, a window cover and a pipe rolling assembly, wherein the pipe rolling assembly is assembled in the window cover, and wound with the curtain rolling cloth; each of the two ends of the window cover is fixedly connected with an edge rail downwards; a longitudinal opening is formed on one side, facing toward the curtain rolling cloth, of each edge rail; two clamping strips arranged symmetrically are mounted in each edge rail longitudinally; a gap is formed between every two clamping strips; upper ports of the gaps are communicated with the window cover; the two side edges of the curtain rolling cloth extend into inner cavities of the edge rails, and are fixedly connected with flexible positioning pieces transversely after penetrating through the longitudinal openings of the edge rails and the gap between every two clamping strips respectively; two annular grooves formed symmetrically are formed in the pipe rolling assembly; when the curtain rolling cloth is wound on a rolling pipe, the two side edges of the curtain rolling cloth are wound and located at the corresponding annular grooves respectively; and the outer diameter of each positioning piece is greater than the width of the gap between every two clamping strips. The wind-resistant and sun-shading curtain has the advantages of stable and reliable structure, good guidance quality and high wind resistance.

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 stirring device applicable to liquid medicines and chemical feed liquids and solves the problem of tedious operation of a conventional stirring device. The stirring device applicable to liquid medicine and chemical feed liquid comprises a stirring shaft and a tank body provided with a liquid inlet opening; the stirring shaft is vertically arranged in the tank body, and the upper end of the stirring shaft extends out of the tank body; a plurality of stirring paddles are arranged on the outer edge of the lower end of the stirring shaft; a liquid outlet pipe is arranged at the bottom of the tank body; a motor is arranged at the top of the tank body and drives the stirring shaft to rotate through a transmission mechanism; a joint pin is arranged on the outer edge of the liquid outlet pipe; a cover plate is hinged to the joint pin, and a torsional spring having the tendency of enable the cover plate to seal the liquid outlet pipe is arranged between the joint pin and the cover plate; the stirring shaft is hollow, and a mandril is inserted in the stirring shaft; an air cylinder which can enable the lower end of the mandril to be propped against the cover plate and enable the cover plate to overcome the torsion of the torsional spring and to rotate around the hinge point is arranged at the top of the tank body; the piston rod of the air cylinder is connected with the upper end of the mandril. The stirring device applicable to liquid medicine and chemical feed liquid has the advantages that the operation is simple and time is saved.

The invention discloses an underwater tree cap feeding tool. The underwater tree cap feeding tool comprises a tool body, a drive connection mechanism and a connection and separation mechanism; an overall shape of the tool body is of a cylindrical structure, and the top of the tool body in the height direction is a connecting part for being connected with a drill rod; the drive connection mechanismis installed at the middle part of the tool body in the height direction in a sleeving mode, the drive connection mechanism is used for driving an actuation ring of an underwater tree cap, so that the underwater tree cap is connected with an underwater horizontal type Christmas tree in a locked mode; the drive connection mechanism includes an actuating piston, a piston driving structure and a temporary limiting structure before driving; the connection and separation mechanism is installed at the bottom part of the tool body in the height direction in a sleeving mode, and the connection and separation mechanism is used for connecting with or separating from the underwater tree cap; and the connection and separation mechanism includes a lower baffle ring, a locking ring, a drive ring, and adriving structure for the drive ring. The underwater tree cap feeding tool has the advantages of simple structure, reliable performance and convenient use, and is suitable for being popularized and used.

The invention discloses an automatic pipe cutting machine, belonging to the technical field of pipe cutting equipment and mainly solving the problem that the existing pipe cutting machine is not suitable for cutting square pipes. The automatic pipe cutting machine is mainly characterized by comprising a material storing and distributing frame, a material taking mechanism, a material feeding track, a material pulling system, a cutting system and a cut material blanking system, wherein a bearing is installed on the inclined track; the outside diameter of the bearing is higher than the surface of the inclined track; the material taking mechanism is an automatic material taking mechanism which is composed of a power source, a mounting base, an L-shaped plate, a material retention locating rod and an inclined panel; the power source is fixed on the mounting base; the L-shaped plate is fixed on a stretched rod of the power source; an upper folded adjusting plate of the L-shaped plate is provided with a horizontal adjusting groove; and the material retention locating rod and the inclined panel are fixed on the horizontal adjusting groove of the upper folded adjusting plate. The automatic pipe cutting machine disclosed by the invention is capable of discharging a material to an automatic material taking position smoothly and evenly, is aligned with the center of a material inlet track and a cutting center, can adapt to cutting characteristics of rectangular pipes in different specifications, and is mainly suitable for automatic cutting of rectangular pipes.

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 present invention provides a crimping connector, which includes a base plate, a press plate located above the base plate, and two elastic parts located between the base plate and the press plate and formed by continuous bending. The two elastic parts are arranged below the press plate at intervals. The part has elasticity in the up and down direction so that the pressure plate can move elastically in the up and down direction, so that the pressure on the pressure plate can be evenly distributed to the two elastic parts and the two elastic parts can give the pressure plate a balanced elastic support, ensuring the stable direction of the pressure plate The downward movement also ensures the longer service life of the two elastic parts; moreover, since the two elastic parts do not overlap in the up and down direction, they will not interfere with each other during the process of elastic deformation up and down. During manufacturing, the bending steps of the elastic parts Simple and easy to manufacture.

A measuring device for road and bridge construction, comprising L-shaped left side panels and right side panels placed symmetrically from left to right, the left side panels and right side panels are fixedly connected by the top panel and the rear panel; the left side of the right panel is set There is a push plate that can move left and right, a drive wheel is set on the left side of the push plate, a pull plate that can move back and forth is set on the top and back of the push plate, a reset plate is set on the left side of the back side of the pull plate, and a drive wheel is set on the front side of the reset plate that can rotate left and right. The reset wheel; the left and right positions of the top plate corresponding to the limit groove are provided with an initial block and a measuring plate that can move back and forth in sequence, an initial plate is set at the bottom of the initial block, and a lifting rod that can move up and down is set in the middle of the measuring plate. A marking pen is provided at the bottom of the lifting rod. The invention effectively solves the problems of difficult and non-standard marking of pipelines existing in the current road and bridge construction.

The invention relates to an assembly fixture for elastic ring installation and a push rod and a guide sleeve used by the assembly fixture. The push rod comprises a rod body of which the lower end is a pushing end; at least two pushing blocks of which the head ends extend to the direction of the inner side of the rod body and the tail ends extend to the direction of the outer side of the rod body are arranged at intervals along the circumferential direction of the pushing end of the rod body; the lower end of each pushing block is provided with an upper end face and a pushing end face, wherein the upper end face is used for crossing an elastic ring along the extension direction of the head end and the extension direction of the tail end of the corresponding pushing block when the assembly fixture is used, and the pushing end face is in pushing fit with the upper end face of the elastic ring through surface contact. The invention provides the push rod which is easy to manufacture and cannot scratch the inner hole wall of the guide sleeve.

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 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.