38results about How to "Solve the installation accuracy" patented technology

The invention discloses a calibration method, a calibrating device, and a calibration method of a calico printing machine sprayer head. A to-be-calibrated target is shot by using a shooting device; an image shot by the shooting device is outputted to a display device provided with a reference mark; the shooting device is moved, so that a location, displayed on display device, of a first reference point of the target is aligned at the reference mark; and the location of the target is adjusted, so that a location, displayed on display device, of a second reference point of the target is aligned at the reference mark. According to the invention, a location of a target can be adjusted precisely; an adjusting result can be watched from the display device at any time during the adjusting process; and the adjusting process becomes simple and fast. Adjustment is completed completely based on objective reference marks without being dependent on experience of the installing and debugging staff, so that calibration becomes precise and reliable and a problem of poor sprayer head installation precision due to human factors can be solved.

The invention discloses a construction method of an arc cable wire slot structure. The arc cable wire slot structure comprises a cable wire slot and a wire slot bearing part, wherein the cable wire slot comprises two segments of linear wire slots and an arc wire slot for connecting the two sections of linear wire slots; the arc segment wire slot is slot-shaped and comprises two connecting units with the same shape and size; two connecting units are in left-right mirroring butt joint, each connecting unit comprises a bottom plate, and a long ledge and a short ledge which are respectively vertical to the bottom plate. The construction method comprises the steps of computing the bend angle of the arc segment wire slot, counting the angle and the type of the arc segment wire slot, drawing a blank part detail drawing by using the 3D software, processing to produce the arc segment wire slot and numbering, paying off according to the mounting of a wire slot support by a design drawing, and mounting the wire slot. The construction method can satisfy the demand of the rigid cable wire slot mounting when the municipal integrated trench construction arc structure part is high in occupancy, the arc wire slot is multiple in specification and model, the cable laying quality requirement is high, and the mounting space arrangement difficulty is large.

The invention discloses an angle cutter realizing smooth cutting and preventing burrs of an end side and an implementation method of the angle cutter. The angle cutter comprises a bedplate; the bedplate is provided with a cutting slot; the cutting slot is used for a cutting knife wheel to pass through and is arranged along a rectilinear direction; inside the cutting slot, one end provided with no cutting knife wheel is filled with a fragile insert; and an exposed end face of the fragile insert is smooth and is flush with the upper end face of the bedplate. The main concept of the angle cutters still starts with elimination of a clearance between the cutting knife wheel and the cutting slot to make sure that a sawed material is always supported and burrs caused by inertial rupture in a cutting process can be prevented, so the first problem to be solved is installation precision; however, the angle cutter disclosed by the invention steers clear of the installation precision problem, the cutting slot and the cutting knife wheel still have the clearance, but the cutting slot is filled with the fragile insert, and the final actual movement direction of the cutting knife wheel is generated by cutting when being started for the first time, so the cutting knife wheel has no clearance with the clearance at the fragile insert.

The invention discloses a formation layout and installation system for a three-axis stabilization satellite. In order to meet the formation requirement for the satellite, formation thrusters need to be added to the satellite on the basis of a posture control thruster and a track control thruster; under a launching state, effective load and solar battery arrays of the satellite are drawn to the periphery of the satellite; when the satellite stays on the track, the effective load and the solar battery arrays are all spread in the Xa direction of the flight direction of the satellite to ensure that plumes of the formation thrusters do not intervene in the solar battery arrays and the effective load, and guarantee the maximization of the efficiency of the formation thrusters; according to theflight posture of the satellite, the formation thrusters are divided into two groups, the two groups are distributed at a +- Ya side of the satellite separately, the planes of the thrusters are perpendicular to the direction, pointing to the ground, of the satellite, and the formation thrusters cooperate with one another to pass through an average centroid of the satellite when the satellite staysat an on-track flight state. By adopting the formation layout and installation system, the satellite installation accuracy of the formation thrusters and the manufacturability of operation implementation are ensured; the demands of the formation thrusters for installation, accuracy measurement and formation control in the satellite can be effectively met.

The invention provides a mounting method for a door-type steel frame structure of a C-type closed material field. The method comprises the following steps of sectioning, assembling, mounting, hoistingand fixing, and accessory member mounting, wherein in the step of sectioning, sectioning is conducted on any combined steel frame in the door-type steel frame structure in advance; in the step of assembling, assembling is conducted on each section structure on the ground; in the step of mounting, a safety device is mounted on each section structure on the ground in advance; in the step of hoisting and fixing, each section structure with the corresponding safety device mounted is sequentially hoisted to the pres-set mounting position, fixing is conducted on each section according to the presetsequence so as to achieve mounting of each assembled steel frame, and mounting is conducted on the rest of assembled steel frames by repeating the above steps; and in the step of accessory member mounting, after every two adjacent assembled steel frames are mounted, mounting is conducted on an accessory member between the two adjacent assembled steel frames. By means of the method, the transportation of various components and the assembly on the ground are facilitated, the controllability of each safety device during mounting is effectively guaranteed, the mounting time is shortened, the quality and accuracy after mounting are ensured, and the consumption of resources is further reduced.

The invention discloses a detachable cutter wheel rack. The cutter wheel rack is applied to imperforate cutter wheels. The cutter wheel rack comprises a first substrate and a second substrate, the second substrate is detachably installed on the first substrate, and the first substrate comprises a first supporting arm and a stepped first supporting base; the second substrate comprises a second supporting base and a second supporting arm which are oppositely arranged, inner walls of the first supporting arm and the second supporting arm are separately and coaxially provided with a locating shaft, a cross section of the locating shaft is in circular shape, and a locating slot of an imperforate cutter wheel is clamped on the locating shaft; the first supporting arm and the second supporting arm are respectively and coaxially opened with first through holes, the cutter wheel rack also comprises a fastener, and the fastener passes through the first through holes in order and is fastened to the first supporting arm and the second supporting arm. The cutter wheel rack has a simple structure, and can be matched with the imperforate cutter wheel for usage.

The invention discloses a method for testing side lamps of ships on shores. The method particularly includes steps of mounting the side lamps in side lamp boxes on the shores; detecting the mounting precision of the side lamps; transporting the side lamp boxes to specified locations on the ships by cranes; adjusting the locations of the side lamp boxes to allow the longitudinal center lines of theside lamp boxes to be parallel to the center lines of hulls; fixedly welding the side lamp boxes with the hulls. The method has the advantages that the method is simple and speedy and is high in reliability; the side lamps are mounted in the side lamp boxes on the shores, the mounting precision of the side lamps is detected, the side lamp boxes are transported onto the ships by the cranes after the precision of the side lamps is detected, accordingly, the problem of incapability of directly checking out the mounting precision of the side lamps on the ships can be effectively solved, the tugboat expense in later periods can be saved, the mooring test time can be saved, and the shipbuilding efficiency can be improved.

The invention provides a speed measurement Doppler radar damping device, which mainly comprises a signal processing and receiving combination and an antenna shell, and is characterized by comprising amain shell and a damping system, wherein the upper end and the lower end of the main shell are open, the conformal radome is fixed on the projectile body through a flange frame on the main shell, andthe radian of the conformal radome is conformal with the projectile body; and a vibration reduction system is additionally arranged on the signal processing and receiving combination. The method improves the anti-interference capability, measurement precision and reliability of the Doppler radar, and meets the requirements of the Doppler radar on a high-speed aircraft.

The invention discloses a novel pillow packaging machine transverse heat sealing mechanism and a processing technology thereof. Aiming at the problems that a heat sealing mechanism of existing pillowpackaging machines moves up and down to press and heat-seal a packaging bag, a bag opening of the packaging bag is liable to be damaged on one side, and the heat sealing effect is bad, by installing two sets of the same heat-sealing mechanism up and down side by side, a side plate base of the heat-sealing mechanism is provided with mounting grooves and mounting holes to cooperate with a bearing and a screw to be provided with a heat sealer, one end of the screw is provided with a meshing transmission gear and externally connected with a drive motor for rotation, heat sealing strips of the heatsealer simultaneously heat-seal both sides of a bag opening by synchronous and reverse rotation, the transmission gear rotates by a full turn, and the heat sealing strips can complete heat-sealing ofthe bag opening of the packaging bag. Through double-sided heat-sealing, the heat-sealing efficiency of the packaging bag is improved, the heat-sealing effect is also improved, the effect that the bag opening is heat-sealed firmly, does not separate easily and let packaged objects fall out, and the heat sealing mechanism is convenient and practical.

The invention provides a pull screw reinforcing mechanism and a reinforcing mechanism construction method, and belongs to the field of buildings. The pull screw reinforcing mechanism comprises a pullscrew whose one end penetrates through a wall, a mountainous clamp mounted at the end, penetrating through the wall, of the pull screw and tightly bonded on the outer wall of the wall, and a combinedpiece comprising an U type sleeve and a T type sleeve; one end of the pull screw penetrates through the wall, the mountainous clamp, the U type sleeve and the T type sleeve in sequence; one end of theU type sleeve is ejected against the mountainous clamp, and the other end is sleeved on a T type end of the T type sleeve through a screw buckle; a conical hole is formed in the end, far from the U type sleeve, of the T type sleeve; a fixture for clamping the pull screw is mounted in the conical hole; and the mountainous clamp is ejected through rotation of the U type sleeve, so that the pull screw is clamped by the fixture in the T type sleeve under the effect of pressure. The U type sleeve of the device and the T type sleeve with the fixture are connected by adopting the screw buckle, so that the installation is firm, and the installation and disassembly speed is high.

The invention discloses a hydraulic expansion type hob edge grinding cutter rod and a use method thereof. The hydraulic expansion type hob edge grinding cutter rod comprises a cutter rod body and a hob installed on the cutter rod body, wherein the tail end of the hob is clamped by a nut and a gasket; the cutter rod body is filled with liquid; a pressurizing screw is arranged at the front end of the cutter rod body; and the cutter rod body expands by extruding the liquid through the pressurizing screw so as to clamp the hob. The hydraulic expansion type hob edge grinding cutter rod is adopted,so that the tool table run-out requirement during edge grinding can be guaranteed only through one-time clamping, and the problem about installation accuracy caused by abrasion of the cutter rod bodyis avoided. The situation that the run-out value of the parts, at the two ends of the hob, of the tool table is within 0.01 mm can be guaranteed through one-time clamping. About 2800 hobs are subjected to edge grinding totally at present, and the situation that the edge grinding is unqualified does not appear.

The invention relates to an exhaust tube mounting construction method for building an industrial fresh air system, an exhaust tube mounting construction device for building the industrial fresh air system is used. The exhaust tube mounting construction device for building the industrial fresh air system comprises a bottom plate, a lifting butt joint mechanism and a clamping mechanism, wherein the lifting butt joint mechanism is mounted on the bottom plate; and a clamping mechanism is mounted on the lifting butt joint mechanism in a sliding fit mode. The exhaust tube mounting construction device can solve the problems that an existing exhaust tube mounting construction device cannot stably clamp an exhaust tube before the exhaust tube is installed, so that the exhaust tube is unstable and prone to deviation during lifting mounting, and the mounting precision of the exhaust tube is affected, and further can solve the problems that an existing exhaust tube mounting construction device cannot stably lift the exhaust tube to be flush with the exhaust tube to be subjected to butt joint mounting, so that the exhaust tube is prone to inclination during butt joint mounting, the butt joint precision of the connector is poor, and air leakage is prone to occurring to the connector.