9results about How to "Intuitive adjustment" patented technology

The utility model belongs to the field of marine diesel engine manufacturing, and particularly relates to a marine diesel engine rack head end alignment device. The marine diesel engine rack head end alignment device comprises first round steel and second round steel. The first round steel and the second round steel coincide in axis. The MD type top weight is connected between the first round steel and the second round steel; a flange plate is fixedly connected to the outer end of the first round steel and used for being connected with a rack plate at the head end of a rack through bolts. The outer end of the second round steel is fixedly connected with a square plate used for being welded to a fixing block of a rack. A telescopic control hole is formed in the MD type top weight, the length of the MD type top weight is adjusted through the telescopic control hole, and perpendicularity control over the head end and the bottom of the rack is achieved. The welding-free design is adopted, damage to the rack body is avoided, the assembling efficiency is improved, high universality is achieved, and the diesel engine rack assembly can adapt to diesel engine racks of various cylinder diameters.

This invention relates to the field of optical measurement equipment technology, specifically disclosing a mirror fixing device for optical measurement, comprising: a base, wherein a support rod is slidably connected to the base, and a fixing frame is fixedly connected to the support rod; a rotating shaft, rotatably connected to the fixing frame, a connecting frame being fixedly connected to the rotating shaft, and two support shafts being rotatably connected to the connecting frame, with a fixing shell fixedly connected between the two support shafts; two fixing columns, each fixedly connected to both sides of the fixing frame, each fixing column being slidably connected to a sliding rod, and a guide ring being fixedly connected between the two sliding rods; and a connecting shell, fixedly connected to one side of the fixing shell, with a ball-end rod slidably connected to the connecting shell. This invention eliminates the need for easily fatigued springs, employing a fully mechanical threaded sleeve and worm gear transmission mechanism to achieve angle and direction adjustment. This mechanical structure eliminates the problem of elasticity attenuation and has strong resistance to vibration interference.

This invention discloses an auxiliary device and method for grinding overhead pipelines. The auxiliary device includes a grinding machine and a mounting frame for fixing the grinding machine relatively on the overhead pipeline. The mounting frame is provided with a slip ring for mounting the grinding machine. The slip ring adopts a segmented structure, including a first slip ring segment and a second slip ring segment. One end of the second slip ring segment is hinged to the first slip ring segment, and the other end is detachably connected to the end of the first slip ring segment after passing around the overhead pipeline during grinding. An adjustment mechanism is provided on the mounting frame for adjusting the slip ring to be concentric with the overhead pipeline by moving the slip ring as a whole through the first slip ring segment. The segmented structure design of the slip ring for mounting the grinding machine allows the second slip ring segment to be installed around the overhead pipeline, and the adjustment mechanism keeps the slip ring in a concentric position with the overhead pipeline, which can effectively grind the weld of the overhead pipeline and ensure the grinding effect of each circumferential position of the weld.

A permanent magnet type stepless variable load vibration isolation platform based on lead screw synchronization comprises an upper top plate, a lower bottom plate, a stepless magnetic field adjusting mechanism, a positive stiffness vibration isolation mechanism and a negative stiffness vibration isolation mechanism, and the stepless magnetic field adjusting mechanism, the positive stiffness vibration isolation mechanism and the negative stiffness vibration isolation mechanism are arranged between the upper top plate and the lower bottom plate. One end of the positive-stiffness vibration isolation mechanism and one end of the negative-stiffness vibration isolation mechanism are connected with the upper top plate, the other end of the positive-stiffness vibration isolation mechanism and the other end of the negative-stiffness vibration isolation mechanism are coupled with the stepless magnetic field adjusting mechanism, and the stepless magnetic field adjusting mechanism achieves coefficient adjustment of the positive-stiffness vibration isolation mechanism and the negative-stiffness vibration isolation mechanism by synchronously adjusting magnetic fields in the x-axis direction and the y-axis direction. And therefore, stepless vibration isolation of the upper top plate to the lower bottom plate is realized. The distances between all the mutually-exclusive permanent magnets are continuously adjusted at the same time by rotating the lead screw, rigidity adjustment of the vibration isolation device under different loads is achieved, coupling adjustment of the positive rigidity and the negative rigidity is achieved by designing the slotting curve of the slotting disc, and the quasi-zero rigidity characteristic of the vibration isolation platform is guaranteed.

This utility model discloses an automatic measuring instrument for eyeglass fitting, including a base, a lifting column mounted on the base, an operating screen mounted on the lifting column, a data acquisition device mounted above the operating screen, and a central controller located within the operating screen. The central controller is signal-connected to the data acquisition device, the operating screen, and the lifting column. The operating screen and the data acquisition device move up and down with the lifting column. A subject position area is provided facing the operating screen. The data acquisition device includes a mounting base and a camera component mounted on the mounting base. The operating screen has a front display area, a left display area, a right display area, and a front / back position adjustment display area. The front display area includes a front facial contour area and a frame contour area within the front facial contour area. The front / back position adjustment display area is used to indicate the front / back direction required for the subject's adjustment. This device uses the camera component to identify and acquire facial data from the subject in three directions, thereby automatically generating eyeglass fitting parameters.

The utility model relates to the technical field of sewage treatment, in particular to an accurate dosing device for sewage treatment. The chemical feeding mechanism comprises a chemical feeding mechanism and a chemical feeding mechanism; in the dosing mechanism, the position of an extrusion plate in a dosing tank is adjusted through a first electric push rod, so that the dosage of chemicals needing to be added can be controlled according to sewage with different concentrations, and a worker can better judge the filling condition of the chemicals in the dosing tank under the action of a transparent pipe; an extrusion plate is driven to move in the direction of a connecting frame in the sewage dosing process, so that chemicals in a dosing box can better flow into the sewage box from the connecting frame, and meanwhile, under the action of a driving assembly, chemicals retained on one side of the extrusion plate and in the dosing box can be scraped to downwards flow into the sewage box; the chemical dosage in the chemical adding box can fully enter the sewage box, so that the chemical dosage adding accuracy during sewage treatment is ensured, and the sewage treatment effect is improved.

The utility model belongs to the technical field of semiconductor cutting equipment, and discloses a scribing machine which comprises a working table and a cutting tool, the working table is a vacuum adsorption working table and is used for fixing materials to be cut, the top of the working table is provided with an operation groove used for placing the materials to be cut, the top of the working table is provided with scale marks which are integrally formed, and the cutting tool is arranged on the working table. The scale marks are located beside the operation groove. The top of the workbench is provided with moving parts, the moving parts are located on the two sides of the operation groove, a fixing plate is installed on the moving parts, a driving device used for driving the cutting tool to move is arranged on the fixing plate, a tool fixing clamp is installed on the driving device, and the cutting tool is detachably installed on the tool fixing clamp through a hand screwing bolt. First sliding grooves are formed in the top of the workbench and located in the two sides of the operation groove. According to the utility model, the position of the cutter can be conveniently and automatically adjusted, the adjusting precision is high, and the cutting efficiency of semiconductor cutting can be improved.

The utility model relates to the field of stamping equipment, in particular to a material supporting and positioning structure of a stamping die, which comprises a lower die holder, an eccentric block, a transmission mechanism, a material guide plate, a limiting mechanism and a positioning pin, guide columns are mounted at the diagonal positions of the top of the lower die holder, and a lower die plate is mounted at the top of the lower die holder. The stamping die supporting and positioning structure comprises a lower die plate, an upper die plate is arranged above the lower die plate, an upper die base is installed on the top of the upper die plate, eccentric blocks are symmetrically arranged at the two ends of the lower die base, and a transmission mechanism is installed in the lower die base. An operator can conveniently adjust the position of the eccentric block by rotating the crank, so that accurate positioning of plates of different sizes is achieved, the positioning process is simplified, the positioning accuracy and efficiency are remarkably improved, and the stamping die can meet more diversified production requirements.