10results about How to "Achieve length" patented technology

The utility model discloses a cigar comprehensive test board. The test board comprises a feeding unit, a length circumference detection unit, a weight detection unit, a suction resistance detection unit and a sample conveying unit, the sample conveying unit comprises a vertically arranged transmission toothed belt, a servo motor for driving the transmission toothed belt to transmit up and down, and a tray horizontally fixed on the transmission toothed belt, and the tray is driven by the servo motor to move up and down; samples received from the feeding unit are conveyed to sampling ports of the length circumference detection unit, the weight detection unit and the suction resistance detection unit respectively, and the detection units are used for detecting the length, circumference, weight and suction resistance of the samples. According to the utility model, rapid and comprehensive detection of cigar length, circumference, weight and draw resistance indexes can be realized, integrated and automatic detection functions are achieved, cigar quality detection efficiency and precision are improved, cost is reduced, scientificity and objectivity of quality control are enhanced, and improvement of product quality and market competitiveness of cigar production enterprises is facilitated.

The invention provides an apex fixed-length winding forming method which comprises the steps that a conveying device for conveying apex in the linear direction and a forming drum device for winding and pasting the apex in the rotating direction are arranged, and the feeding end of the conveying device and the discharging end of the conveying device are oppositely arranged; a detection point is arranged between the discharging end of the conveying device and the feeding end of the forming drum device, and the correction distance between the detection point and the feeding end of the forming drum device is obtained; the conveying device is controlled to convey the apex to the forming drum device, and when the material head of the apex reaches the detection point, the conveying device is controlled to convey the material head of the apex to the feeding end of the forming drum device according to the correction distance; and controlling the forming drum device to wind and attach the apex. According to the apex fixed-length winding forming method, the length error is eliminated, the consistency and stability of apex fixed length are effectively improved, and therefore the high production quality and efficiency of apex tire beads are guaranteed.

The utility model provides a comprehensive synchronous measuring device for bamboo tubes, which comprises an operating platform, a strip-shaped groove is arranged at the left end of the upper surface of the operating platform, a first motor is arranged in the strip-shaped groove, the output end of the first motor is connected with a screw rod, the front half part of the screw rod is provided with a left-hand thread, and the rear half part of the screw rod is provided with a right-hand thread. Sliding blocks are spirally arranged at the front end and the rear end of the screw in a sleeving mode, first measuring plates are arranged on the upper surfaces of the sliding blocks, a first infrared transmitter is arranged on the first measuring plate at the front end, and a first infrared receiver corresponding to the first infrared transmitter is arranged on the first measuring plate at the rear end; a measuring piece used for measuring the diameter of the bamboo tube is arranged on the upper surface of the operation table, a screening discharging plate is hinged to the upper end of the right side face of the operation table, and a second motor used for driving the screening discharging plate to swing up and down is arranged at the right end of the rear surface of the operation table. According to the utility model, the length and the diameter of the bamboo tube can be measured.

The present invention discloses a control method for a four-point mooring model for multi-point mooring positioning, the method comprising: establishing a four-point mooring positive solution absolute motion model and a four-point mooring positive solution relative motion model; obtaining a four-point mooring inverse solution model according to the four-point mooring positive solution absolute motion model and the four-point mooring positive solution relative motion model; establishing a drive control model between a mooring motor and a mooring cable; establishing a four-point mooring multi-motor collaborative positioning control model according to the four-point mooring inverse solution model and the drive control model, and adjusting the position deviation of the working positioning point by adjusting the four mooring motor rotation angles in the four-point mooring multi-motor collaborative positioning control model to realize the four-point mooring multi-motor collaborative positioning control, and positioning the mooring platform within a preset area. The present invention decomposes the multi-point mooring positioning into a plurality of groups of four-point mooring controls with four-corner symmetry, and the stability, rapidity and accuracy of the mooring platform positioning can be effectively realized through the distributed collaborative control of the plurality of groups of four-point moorings.

This utility model relates to the field of landscape water decoration technology, and in particular to a non-splashing rainwater chain drainer, including a water guide cup, a support member at the top of the water guide cup, and a threaded rod at the top of the support member. The threaded rod passes through the support member and extends into the water guide cup, and is rotatably connected to the support member. The top of the threaded rod is threaded with a horn nut and a fixing nut, respectively. The horn nut is located at the top of the support member, and the fixing nut is located at the bottom of the support member. By using the threaded rod, horn nut, fixing nut, spherical structure, and connecting nut in combination, the distance between the drainer and the rainwater chain can be easily adjusted to reduce water splashing outward due to excessive distance between them and the influence of wind. The connecting nut is used to connect the rainwater chain structure, and its internal structure is threaded. The spherical structure is used to fix the connecting nut on the threaded rod. By adjusting the horn nut, the length of the entire rainwater chain can be adjusted, thereby achieving overall fixation of the rainwater chain.

The utility model provides a lithium battery substrate positioning structure, which relates to the technical field of battery substrate positioning and comprises an adjustable positioning frame. The adjustable positioning frame body is of a square frame-shaped structure, and the lithium battery substrate is positioned in the adjustable positioning frame body; four adjusting screw rods are mounted in the adjustable positioning frame body; two positioning movable clamping plates are connected into the top of the adjustable positioning frame body, and four fastening nuts are connected to the top of the adjustable positioning frame body. According to the utility model, the connection part of the four L-shaped movable frame strips can be adjusted in a sliding manner according to the length and width specifications of the lithium battery substrate, so that the four L-shaped movable frame strips can be contacted with the edge of the lithium battery substrate at the same time to play a role in limiting the lithium battery substrate, and the length and width of the lithium battery substrate can be adjusted according to different thicknesses of the lithium battery substrate. And the positioning movable clamping plate connected with the adjustable positioning frame body is adjusted to move up and down, so that the bottom side of the positioning movable clamping plate can be in contact with the top side of the edge of the lithium battery substrate, and the effect of clamping and fixing the lithium battery substrate is achieved.

The application discloses a roller shutter type filter and a use method, and relates to the technical field of air filtration. The filter comprises a rack, upper and lower winding boxes, upper and lower winding shafts, two driving modules, a flexible belt wound around the upper winding shaft and a filter core clamp head. The lower winding shaft is detachably arranged in the lower winding box. An electromagnetic clutch is arranged between each driving module and the corresponding winding shaft. When new material is added, the filter core clamp head clamps a filter core material head, and the upper winding shaft winds the flexible belt to pull the filter material upward to form a roll. When the material is replaced, the lower winding shaft actively winds, and the upper winding shaft follows to unwind. When the clutch is separated, the rigid connection between the driven end and the driving module is cut off, the unwinding resistance is greatly reduced, and the filter material is prevented from being deformed due to excessive tension. When the clutch is attracted, the inertia of the unwinding end is inhibited by using the structural resistance of the driving module, and the filter material is prevented from being excessively released to cause relaxation. The application concentrates all the material replacement operations at a low place, eliminates the climbing operation, avoids secondary dust pollution, and realizes stable and reliable material replacement.

The utility model relates to the technical field of optical adjusting platforms, and discloses a full-flexible attitude high-precision adjusting two-dimensional platform, which comprises a base and an adjusting table parallel to the base. The nuts are located on the two sides of the adjusting table, a double-screw adjusting assembly is connected between the nuts and the base in a threaded mode, and the deformation degree of an opening between the base and the adjusting table is adjusted; the first flexible connecting piece is connected between the adjusting table and the nut so as to eliminate the friction influence generated when the deformation size of the opening is adjusted and the gap between the nut and the double-screw adjusting assembly, and meanwhile the length and angle of the first flexible connecting piece are adjusted when the deformation size of the opening is adjusted. According to the utility model, the purposes of full-flexible adjustment and adaptation to different-angle adjustment of an optical lens / lens are realized, the friction influence during the adjustment movement of the double-screw adjustment assembly is eliminated, the adjustment in two angle directions can be realized in one plane, and the size is small.

The invention discloses a test mold of a cement-based pouring building material model, which comprises an outer mold composed of two side plates, two end plates and a bottom plate, the inner sides of the two side plates in the outer mold are respectively and detachably connected with two inner mold plates, and the two ends of the inner mold plates are respectively connected with the two side plates of the outer mold through triangular prism-shaped buttresses. The two ends of the inner formwork are provided with grooves, and the triangular-prism-shaped buttress is provided with a tooth opening which enables the triangular-prism-shaped buttress to be inserted into the grooves of the inner formwork.

The utility model relates to the field of municipal construction, in particular to a protective fence for municipal construction, which comprises two support column components, two cross rod components with an angle adjusting function are connected between the support column components, and a plurality of support rods are connected between two adjacent cross rod components. The transverse rod assembly comprises a connecting base and movable openings formed in the two ends of the connecting base respectively, telescopic adjusting rod pieces are rotationally connected into the movable openings respectively, through holes are formed in the ends, close to the connecting base, of the telescopic adjusting rod pieces respectively, limiting shafts penetrate through the two ends of the connecting base respectively, and the limiting shafts are located in the through holes and rotationally connected with the through holes. The telescopic adjusting rod piece is adjusted to be proper in length and rotates around the circle center of the through hole, so that the protection angle of the protective fence is adjusted, then the first butterfly bolt is rotated to be limited into the corresponding limiting groove, the protection angle needed by the protective fence is fixed, the length and angle adjustment of the protective fence is achieved, and the protective fence is suitable for being used in different terrains; and the application range of the protective fence is widened.