42results about How to "Guaranteed Quality Inspection" patented technology

A paper conveying device comprises a framework, a paper conveying platform, a paper deviation correcting and limiting mechanism, a paper detecting mechanism, a paper absorbing and positioning mechanism and a batch type paper feeding mechanism. The paper deviation correcting and limiting mechanism, the paper detecting mechanism, the paper absorbing and positioning mechanism and the batch type paper feeding mechanism are arranged on the paper conveying platform, the paper deviation correcting and limiting mechanism forms a paper limiting area on the paper conveying platform, the paper detecting mechanism, the paper absorbing and positioning mechanism and the batch type paper feeding mechanism are respectively arranged in the paper limiting area, and the paper detecting mechanism is electrically connected with the paper absorbing and positioning mechanism. The paper conveying device is capable of preventing slanting or deviating of paper by deviation correcting and position limiting of the paper deviation correcting and limiting mechanism and absorbing and positioning of the paper absorbing and positioning mechanism, so that paper can be stably reliably conveyed, accuracy of printing and processing of paper printing and processing equipment and accuracy of printed matter quality detection and code spraying equipment detection are guaranteed.

The invention provides a single-sided bilateral multi-angle ultrasonic detection method for heterogeneous structure pattern pipe welds. The single-sided bilateral multi-angle ultrasonic detection method comprises the following steps: establishing a 3D model with two multi-angle ultrasonic probes and a to-be-tested pipeline having flange or elbow welds, and allowing two simulated ultrasonic probesto simulate sector scanning at two sides of the simulated welds; recording the positions of two simulated ultrasonic probes on the simulated to-be-tested pipeline; assembling the two multi-angle ultrasonic probes onto a multi-angle bilateral ultrasonic scanning device; carrying out equidistant linear scanning along the circumference of the to-be-tested pipeline, and collecting detection data of the weld at the same time; and analyzing the weld condition of the to-be-tested pipeline having the flange or elbow welds. According to the invention, through simultaneous transmission of multi-angle ultrasonic waves to welds, only equidistant linear scanning is carried out, so dependence on heterogeneous structure pattern and size is reduced, and the positions and sizes of defects in the welds arequickly identified and calculated; thus, higher detection rate and more visual results of weld defects are achieved, the quality detection of the flange and elbow welds are guaranteed, and work efficiency and defect detection capability are greatly improved.

The invention provides a defect position calculation method for detecting welding seam defects through ultrasounds. The defect position calculation method comprises the following steps: placing two multi-angle ultrasonic probes at two sides of a welding seam of a pipeline to be detected respectively, and carrying out linear scanning at an equal distance along the peripheral direction of the pipeline to be detected to acquire welding seam detection data of each path of sound ray; determining a null point of the defects and calculating a vertical distance and a horizontal distance of each pointof the defect respectively through each welding seam detection data to obtain defect positions. The position of each point of the defects is independently calculated through determining the null pointof the defects of an incident angle of the sound ray according to a linear equation of primary waves and a linear equation of secondary waves. According to the defect position calculation method provided by the invention, the problem that incident starting points and the incident angles of each path of the sound ray of the multi-angle ultrasonic probes are different is solved, and the positions and sizes of the defects in the welding beam are formed only if all the points are combined, so that the welding seam defect defection rate is higher and a result is more intuitive; the quality detection of flange and elbow welding seams is ensured, and the working efficiency and the defect detection capability are greatly improved.

The invention discloses a motor installation plate of a viscosity meter. The motor installation plate comprises a plate body and a middle through hole. The motor installation plate is characterized in that upper and lower surfaces of the plate body are horizontal surfaces; the middle through hole is dug backwards in the middle of a front surface of the plate body; an upper left installation hole is dug in the upper left part of the front surface of the plate body, a lower left installation hole is dug in the lower left part, an upper right installation hole is dug in the upper right part, and a lower right installation hole is dug in the lower right part; a first round hole is dug backwards on the left side of the upper left installation hole; a second round hole is dug backwards on the right side of the upper right installation hole; a third round hole is dug backwards in the lower left part of the front surface of the plate body; a fourth round hole is dug backwards in the lower right part of the front surface of the plate body; a fifth round hole, a sixth round hole, a seventh round hole and an eighth round hole are correspondingly dug backwards in rear round hole surfaces of the first round hole, the second round hole, the third round hole and the fourth round hole respectively; a left threaded hole is drilled backwards on the right side of the third round hole and in the lower part of the front surface of the plate body; and a right threaded hole is drilled backwards on the right side of the left threaded hole.

The invention discloses an automatic adjustable production platform for dual-side synchronous cloth conveying, seam sewing and thread cutting. The platform comprises two adjustment platform bodies, two synchronous belt conveying motion structures and two thread cutting hot sticking mechanisms, each adjustment platform body is provided with one synchronous belt conveying motion structure and one thread cutting hot sticking mechanism, one adjustment platform body is fixed, an automatic size adjustment device is arranged below the other movable adjustment platform body, and through the automaticsize adjustment device, with the fixed adjustment platform body as a reference point, size adjustment is conducted. In this way, according to the automatic adjustable production platform for dual-sidesynchronous cloth conveying, seam sewing and thread cutting, the specification of the product produced according to the demands is randomly adjusted in the adjustment range, the demand of automated equipment is met, and complex manual adjustment is not needed.

The invention discloses a central shaft sleeve of a viscosity meter. The central shaft sleeve of the viscosity meter is formed by connection of left, middle and right shaft seats, a connection base and a cylinder, wherein the right shaft seat is cylindrical; the middle shaft seat is located on the left side of the right shaft seat and is cylindrical; a right round surface of the middle shaft seat is connected with a left round surface of the right shaft seat in a mixed manner; the left shaft seat is located on the left side of the middle shaft seat and is cylindrical; a right round surface of the left shaft seat is connected with a left round surface of the middle shaft seat in a mixed manner; the connection base is located on the left side of the left shaft seat and is cylindrical; a right round surface of the connection base is connected with a left round surface of the left shaft seat in a mixed manner; the cylinder is located on the left side of the connection base and is cylindrical; a right round surface of the cylinder is connected with a left round surface of the connection base in a mixed manner; and a transverse through hole is drilled rightwards in the middle of a left round surface of the cylinder.

The invention discloses a rotating shaft bracket of a viscosity meter. The rotating shaft bracket comprises a shaft body formed by connection of a square shaft seat and a round shaft seat, wherein the round shaft seat penetrates through the upper part of the square shaft seat, left and right cylinders are exposed, and a middle cylinder of the round shaft seat is connected with the upper part of the square shaft seat; a round through hole is drilled leftwards in the middle of a right round surface of the round shaft seat and is concentric with right and left round surfaces of the round shaft seat; an upper hole drilled backwards in the upper-middle part of a front surface of the square shaft seat is a through hole, and an upper surface of the upper hole is an arc-shaped surface; a lower surface of the square shaft seat is turned into an arc-shaped lower surface; a layer is cut down from each of lower parts of front and rear surfaces of the square shaft seat, a left-viewed profile of a middle thin layer is trapezoid, and a lower surface of the middle thin layer is connected with the arc-shaped lower surface of the square shaft seat in a matched manner; a left threaded hole drilled backwards in the left part of the front surface of the square shaft seat is a through hole; an upper threaded hole drilled downwards in the left part of an upper surface of the square shaft seat is communicated with the round through hole; a cover is cut transversely at the upper part of the square shaft seat; and the middle of the cover comprises a top hole of the upper hole.

The invention discloses an agate base of a viscosity meter. The agate base is formed by mixed connection of a base, a first supporting base, a second supporting base and a stand, wherein the base is cylindrical; the first supporting base is located above the base and is cylindrical; a lower round surface of the first supporting base is connected with an upper round surface of the base in a mixed manner; the second supporting base is cylindrical; a lower round surface of the second supporting base is connected with an upper round surface of the first supporting base in a mixed manner; the stand is located above the second supporting base and is cylindrical; a lower round surface of the stand is connected with an upper round surface of the second supporting base in a mixed manner; a circumferential edge of an upper round surface of the stand is turned to form a circle of chamfer angle of 45 degrees; an upper round hole is drilled downwards in the middle of the upper round surface of the stand; a lower round hole is drilled upwards in the middle of a lower round surface of the base; and the lower round hole is communicated with the upper round hole.

The invention discloses a counter shaft of a viscosity meter. The counter shaft comprises a shaft body, wherein the shaft body is formed by connection of a right end first shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft, a sixth shaft and a left end seventh shaft sequentially from right to left; the right end first shaft, the second shaft, the third shaft, the fourth shaft, the fifth shaft, the sixth shaft and the left end seventh shaft are concentric, cylindrical and arranged transversely; circumferential edges of right round surfaces of the fifth shaft, the fourth shaft and the third shaft are turned into circles of chamfer angles of 45 degrees respectively; an outer circumferential edge of the first shaft is turned into a circle of outer thread, and a circumferential edge of a right round surface of the first shaft is turned into a circle of chamfer angle of 45 degrees; a first round hole, a first conical hole, a second round hole, a second conical hole, a third round hole, a third conical hole and a fourth round hole are drilled rightwards in the middle of a left round surface of the left end seventh shaft of the shaft body sequentially, are concentric and form a through hole penetrating through the right round surface of the right end first shaft of the shaft body from the left round surface of the left end seventh shaft of the shaft body; and the counter shaft of the viscosity meter is made of a steel material for shafts.

The invention relates to the technical field of synthesis of drug related substances, and particularly discloses a preparation method of E-type cefditoren sodium. The preparation method of the E-type cefditoren sodium comprises the following steps: cooling a mixed solution composed of water and acetone to 0-5 DEG C, adding E-type 7-ATCA and AE active ester, adjusting the pH value to 8-8.5 by using organic alkali, heating to 15-25 DEG C, reacting, and maintaining the pH value of the reaction solution at 8-8.5 in the reaction process; and after the reaction is finished, adding an acetone solution of sodium isooctoate, growing crystals, carrying out suction filtration, and drying to obtain the E-type cefditoren sodium. According to the preparation method of the E-type cefditoren sodium provided by the invention, the E-type cefditoren sodium with high purity and high yield can be obtained, the whole preparation method is simple to operate, the reaction condition is mild, and the finally obtained E-type cefditoren sodium completely meets the requirement of serving as a cefditoren pivoxil reference substance and has good application prospects. Important data support is provided for ensuring the quality detection of the cefditoren pivoxil.

The invention relates to the technical field of medical instrument detection, in particular to a closed sterile barrier system microorganism integrity test device and method, the test device is provided with a microorganism integrity detection system, and the microorganism integrity detection system comprises a test environment detection device and a medical instrument package detection device. The test environment detection device is used for determining whether an aerosol environment in the test box meets test requirements or not, and the package detection device is used for detecting the integrity of a to-be-detected package sample, namely, the barrier performance of the whole medical instrument package to microorganisms, so that the quantitative test on the integrity of the medical instrument package is realized; quality detection of medical instrument packaging is achieved, and safety of medical instruments in the transportation process is guaranteed. And test support is provided for the overall sealing design of the package, so that the manufacturing cost of the medical instrument package is favorably controlled, and the excessive design of the package sealing is avoided.

The invention discloses a connecting rod head of a viscometer. A connecting rod seat is cylindrical; a circle of right fillet is cut at the circumferential edge of the right round surface of the connecting rod seat; a circle of left fillet is cut at the circumferential edge of the left round surface of the connecting rod seat; a cylindrical thread rod head is connected to the middle part of the right round surface of the connecting rod seat, a circle of 45-degree right bevel is cut at the circumferential edge of the right round surface of the thread rod head, the left round surface of the thread rod head is in overlapped connection with the right round surface of the connecting rod seat, and the center of the thread rod head and the center of the connecting rod seat are on the same axis; a middle notch is transversely cut in the middle of the left round surface of the connecting rod seat from left to right; the center of the middle notch and the center of the connecting rod seat are on the same axis; an upper through hole is cut in the upper groove surface of the middle notch from bottom to top; a lower through hole is cut in the lower groove surface of the middle notch from top to bottom.

The invention discloses a light harvesting tube insertion base of a micro-balance. The light harvesting tube insertion base of the micro-balance is composed of a first round metal base and a second round metal base in a mixed connection mode. The rear round face of the first round metal base is connected with the front round face of the second round metal face in a mixed mode. A round insertion hole is drilled backwards in the middle of the front round face of the first round metal base. Three round through holes are evenly formed in the front round face of the first round metal base. A circle of 45-degree upper inner chamfers are turned backwards on the circumference of the upper round through hole formed in the front round face of the first round metal base. A circle of 45-degree left inner chamfers are turned backwards on the circumference of the left round through hole formed in the front round face of the first round metal base. A circle of 45-degree right inner chamfers are turned backwards on the circumference of the right round through hole formed in the front round face of the first round metal base. A threaded hole is drilled downwards in the upper round face of the second round metal base. A circle of 45-degree front outer chambers are turned on the circumference of the front round face of the first round metal base. A circle of 45-degree rear outer chambers are turned on the circumference of the rear round face of the second round metal base.