59results about How to "Optimize location relationship" patented technology

A medical breast-image capturing apparatus includes an aperture member for exposing a breast of a test subject. To perform adequate breast cancer screening, the aperture member has a noncircular shape, is arranged to be replaceable with another aperture member, or has a variable opening. Another medical breast-image capturing apparatus includes a pressure-reducing device for reducing a pressure in a hollow section in which a breast is exposed.

The invention provides an inner and outer ring simultaneous rotation angular contact bearing testing method. A testing device applied to the inner and outer ring simultaneous rotation angular contact bearing testing method is composed of an inner ring rotor shaft, a first axial loading bearing, a first axial loading device, a radial loading bearing, a radial loading device, an outer ring rotor shaft, a second axial loading bearing, a second axial loading device, a testing accompanying bearing, a sensor mounting rack and a non-contact sensor group. During testing, the inner ring rotor shaft and the outer ring rotor shaft rotate in the same or different directions at the same or different speeds; the first axial loading device exerts axial load onto the inner ring of a tested bearing through the first axial loading bearing, and the second axial loading device exerts axial load onto the outer ring of the tested bearing through the second axial loading bearing; the radial loading device exerted radial load onto the test bearing through the radial loading bearing; the inner ring non-contact sensor group monitors the operational state of the tested bearing.

The invention provides a processing device for an air bag polishing tool surface polishing pad and relates to the processing device for an air bag polishing tool. The processing device comprises a base, a stand column, a guide rail, a slide block, a left limiting block, a right limiting block, a cutter, a pressing mould, a cutter return spring, a polishing pad forming base mould, a heating wire, a polishing pad gluing base mould, a height adjusting block and a height fixing latch. The stand column is fixed on the base. The guide rail is fixed on the stand column. The slide block is in sliding fit with the guide rail. The left limiting block and the right limiting block are respectively arranged on the left side and the right side of the guide rail. The cutter is fixedly connected with the slide block. The pressing mould is fixedly connected with the slide block. The pressing mould and the cutter are in sliding fit. The cutter return spring is arranged between the pressing mould and the cutter. The polishing pad forming base mould is fixed on the base and arranged below the cutter. The heating wire is electrically connected with the polishing pad forming base mould. The polishing pad gluing base mould is fixed on the base and arranged below the cutter. The processing device is simple and compact in structure, convenient to operate, high in processing precision, and capable of forming and cutting air bag polishing pads, and gluing and pressing air bags.

The invention relates to the technical field of automatic equipment, in particular to a vacuum absorption platform with a two-dimension angle adjustment function, which comprises a base, a fixed base, a vacuum sucker, a two-dimensional angle adjustment base, an exhaust tube, and a vacuum pump, wherein the vacuum pump is externally arranged, the base is in a structure with an upper step and a lower step, the center of the vacuum sucker is provided with an absorption air cavity, the outer end surface of the vacuum sucker is provided with an absorption air slot, the two-dimensional angle adjustment base comprises a first adjustment layer, a second adjustment layer, a third adjustment layer, a vertical flexible hinge and a horizontal flexible hinge, the vertical flexible hinge is arranged between the second adjustment layer and the third adjustment layer, and the horizontal flexible hinge is arranged between the first adjustment layer and the second adjustment layer. According to the demand of users, the platform can be horizontally or vertically conveniently mounted, can be flexibly applied in automatic equipment, and provides a better loading tooling jig for optical elements, wafers, precise workpieces, and the like in the field of automation.

A semiconductor storage apparatus having an SRAM memory cell of a low power consumption type which can reduce a wiring length of a bit line. NMOS transistors N1, N3 and N4 are formed in a P well region PW0, NMOS transistors N2, N5 and N6 are formed in a P well region PW1 and a wiring direction (a second direction) of bit lines BL1 and BL2 (bit lines BL12 and BL22) is set to be orthogonal to a direction of separation arrangement (a transverse direction in the drawing; a first direction) of the P well regions PW0 and PW1. The P well region PW0 and the P well region PW1 are formed opposite to each other with an N well region interposed therebetween.

The invention discloses a self-balancing double-core reamer bit. The self-balancing double-core reamer bit comprises an upper pilot bit and a lower reamer wing group, wherein the upper pilot bit is provided with a first pilot blade, a second pilot blade, a third pilot blade and a fourth pilot blade, the reamer wing group is provided with two to four blades, and all blades are provided with cutting teeth for breaking rocks; an angle at 180 degrees is formed between the second pilot blade and the first pilot blade, the third pilot blade and the first pilot blade are arranged at an first angle [beta], and the fourth pilot blade and the third pilot blade are symmetrically arranged corresponding to the first pilot blade; the reamer wing group is fixed at a certain side of a lower body of a drill bit, and the reamer wing group and the pilot bit are arranged at a certain angle. The pilot drill bit of the double-core reamer bit and the force subjected by the reamer wing group in the working process are equal in force and opposite in direction in such a way that the force can be contradicted mutually so as to make the drill bit keep in a balanced and stable working state, ensure the reamer quality and improve the life of the drill bit.

The invention relates to the field of track detection, in particular to a high-speed rail track measuring device and method. The device disclosed by the invention comprises illuminating lamps, outline measuring instruments and cameras, of which the position relationship is optimized, so that the illuminating lamps can be in team work with the outline measuring instruments and the cameras. The high-speed rail track measuring device disclosed by the invention has the capacity for collecting processing data under the condition of insufficient lighting or dark conditions. Besides, track buckles are recognized, so that strokes are calculated, tracks are positioned, recognition and accurate positioning of problem tracks are realized, and the timely maintenance of the tracks is facilitated.

A transmission structure for the transmission teeth of a cylindrical sewing machine. The machine table of the sewing machine is composed of a rectangular box-shaped main part and a cylindrical part protruding sideways from the main part. A needle plate is arranged on the cylindrical part. , the cylindrical part is provided with a forward feed tooth and a rear feed tooth, the forward feed tooth and the rear feed tooth go in and out of the feed tooth grooves before and after the needle drop hole of the needle plate, through the transmission of the transmission mechanism, the The forward feeding gear and the rear feeding gear move circularly in an elliptical path; it also includes: the feeding gear assembly, the driving shaft, the motion conversion mechanism, the front and rear main shaft assembly of the transfer, the upper and lower transmission shaft assembly of the transfer, the fixed moving direction assembly, the first transfer Front and rear drive shaft assemblies and a second transfer front and rear drive shaft assembly.

The invention discloses a tool hammer for art. A hammer sleeve comprises an open end and a closed end, a spring washer is arranged on the lower edge of the open end of the hammer sleeve, one end of an elastic hammer is sleeved with the hammer sleeve, a hammering surface is arranged at the other end of the elastic hammer, a spring is arranged between the inner bottom surface of the closed end of the hammer sleeve and one end, sleeved with the hammer sleeve, of the elastic hammer, a staggered rod is arranged on the inner bottom surface of the closed end of the hammer sleeve, a staggered cone is arranged at one end, sleeved with the hammer sleeve, of the elastic hammer, two inclined positioning grooves are formed in the outer wall of the elastic hammer, the connecting line of two points, located in a cross section of the elastic hammer, of the positioning grooves passes through the circle center of the cross section, one end of each positioning rod is inserted in the positioning groove, the other end of each positioning rod is fixed on the hammer sleeve, an elastic piece and fixing rods are arranged at a middle section of a handle, middles of the fixing rods are disconnected, lantern rings are arranged in the middles of the fixing rods and are in threaded connection with the fixing rods, the tail end of the handle warps upwards, and a hook is arranged on the handle. The hammer is particularly applicable to three-dimensional art works such as clay sculptures and the like, is used for knocking out irregular pits on soft art materials, and is beneficial to presentation of disordered aesthetics.

Provided is a pneumatic tire comprising a side reinforcement layer in a side wall section, wherein the structure of a bead section is improved so as to make it possible to reduce tire weight while maintaining the durability of the tire. The width W0 of a layer with the greatest number of rows among a plurality of layers that make up a bead core 5, the width W1 on the innermost side in the tire radial direction, and the width W2 on the outermost side in the tire radial direction are set so as to fulfill the relationships W1 > W2 and W2 <= 0.5 * W0; the layer of the width W0 is positioned more inward in the tire radial direction from the center position of the bead core 5 in the tire radial direction; a carcass layer 4 is folded back while being curved along a peripheral edge of the bead core; a folded-back section 4B of the carcass layer 4 extends toward side wall sections 2 while maintaining contact with a main section 4A of the carcass layer 4; the proportion of rubber in a closed region formed by the main section 4A of the carcass layer 4 and the folded-back section 4B is 0.1-15%; and the cross-sectional area S2 and the hardness H2 of a filler layer 9 disposed on the outer side of the carcass layer 4 in the tire width direction and the cross-sectional area S1 and the hardness H1 of a side reinforcement layer 8 fulfill the relationship 0.12 <= (S2 * H2) / (S1 * H1) <= 0.50.

The invention discloses a double-purpose leg training device. The double-purpose leg training device comprises a ground-attaching frame, a balance weight device, a pedal, a vertical frame, a swing frame, an adjusting frame and a bearing frame. The weight balance device is located on one side of the ground-attaching frame, the pedal and the vertical frame are fixed to the ground-attaching frame, the bearing frame is connected to the upper portion of the vertical frame in a rotatable mode, the swing frame is connected to the bearing frame in a rotatable mode, one end of the adjusting frame is fixed to the swing frame, the other end of the adjusting frame is inserted into a through hole formed in the bearing frame, pin holes are formed in the side walls of the bearing frame and internally provided with a pin, a plurality of positioning holes are formed in the adjusting frame, the pin is inserted into the positioning holes, and the bearing frame is connected with a balance weight part in the balance weight device through a connecting rope. The double-purpose leg training device can meet the training requirements of the thighs and the shanks, so that purchase cost is reduced, and the occupied space of equipment is reduced.

The invention discloses an art tool hammer. A hammer sleeve of the art tool hammer is provided with an open end and a closed end, a spring washer is arranged at the lower edge of the open end of the hammer sleeve, one end of an elastic hammer is nested in the hammer sleeve, a hammering surface is arranged at the other end of the elastic hammer, a spring is arranged between the inner bottom surface of the closed end of the hammer sleeve and the end, which is nested into the hammer sleeve, of the elastic hammer, a staggered rod is arranged on the inner bottom surface of the closed end of the hammer sleeve, a staggered cone is arranged at the end, which is nested into the hammer sleeve, of the elastic hammer, two positioning grooves are formed in the outer wall of the elastic hammer and are provided with vertical upper sections and oblique lower sections, a connecting line of every two points, which are positioned on the cross section of the elastic hammer, of the positioning groove crosses the circle center of the cross section of the elastic hammer, one end of each positioning rod is inserted into the corresponding positioning groove, the other end of each positioning rod is fixed onto the hammer sleeve, the elastic hammer can move towards the inside of the hammer sleeve after the art tool hammer hammers onto an object, a clip is arranged in a middle section of a downwardly oblique handle, the tail end of the handle is curled up, and the handle is provided with a hook. The art tool hammer has the advantages that the art tool hammer is particularly applicable to stereoscopic artwork such as clay sculptures, can be used for forming irregular pits on soft art materials by means of knocking and is favorable for showing aesthetics of disorder.

To realize a manufacturing method for a wheel-supporting rolling bearing unit that can establish sufficient parallelism between a rotating side installation surface 14 for fastening to and supporting a disk of a disk brake and a stationary side installation surface 15 for fastening a caliper or support, in the present invention, while rotating a hub 2 comprising the rotating side installation surface 14 with respect to an outer race comprising the stationary side installation surface, a finishing process such as turning is performed on the rotating side installation surface 14 or both side surfaces in the axial direction of the disk which is fastened and supported to and by the rotating side installation surface 14, with the stationary side installation surface 15 as a reference surface.

The invention relates to a circuit PCB (printed circuit board). The LED (light-emitting diode) driving circuit PCB (printed circuit board) comprises a PCB substrate, a wire line for driving an LED to work is arranged on the PCB substrate, and an electronic component group for driving the LED to work is welded to the wire line and comprises a driving control chip. The circuit PCB is characterized in that the PCB substrate is two-sided. The two-sided PCB substrate is adopted by the circuit PCB, part of the line can be selectively distributed on the back of the two-sided PCB substrate, and the problem that a single-sided board is limited in area and wiring staggering occurs easily is solved.

The invention provides a double stage compressor cylinder and a double stage compressor possessing it. The cylinder is provided with N assembling holes used for assembling, a largest angle between adjacent assembling holes is alpha, a smallest angle between the adjacent assembling holes is beta, the largest angle alpha, the smallest angle beta and the total number N of the assembling holes meet formulas of alpha / (2phi / N)<2 and beta / (2phi / N)>0.4, and the total number N of the assembling holes is not lower than 4. The double stage compressor cylinder allowing the positions of the assembling holes distributed on the cylinder to be reasonably arranged guarantees the sealing and deformation of the compressor in a reliable range, optimizes the design of a medium pressure circulation channel and improves the performance of the double stage compressor.

The invention discloses a creation hammer for disorder aesthetics. According to the creation hammer, a hammer sleeve is provided with an open end and a closed end; a spring washer is arranged on the lower edge of the open end of the hammer sleeve; one end of an elastic hammer sleeves in the hammer sleeve; a hammering surface is arranged at the other end of the elastic hammer; a spring is arranged between the inner bottom surface of the closed end of the hammer sleeve and one end sleeving in the hammer sleeve, of the elastic hammer; a staggered rod is arranged on the inner bottom surface of the closed end of the hammer sleeve; a staggered cone is arranged at one end sleeving in the hammer sleeve, of the elastic hammer; two inclined location grooves are arranged in the outer wall of the elastic hammer; one end of a location rod is inserted in each location groove, and the other end of the location rod is fixed on the hammer sleeve; the staggered cone and the staggered rod form a slide rheostat; one end of the staggered cone is sequentially connected with an indication lamp, a switch, a power supply and the staggered rod; the switch, the power supply and the indication lamp are arranged on a handle; an elastic sheet and fixing rods are arranged at the middle section of the handle; the middle of each fixing rod is broken and a sleeve ring is arranged at the middle of the fixing rod; and the handle is provided with a hook. The creation hammer disclosed by the invention is suitable for clay sculptures and other artwork, used for knocking irregular small pits on soft art materials, and beneficial to showing of disorder aesthetics.

The invention discloses a four-wafer LED display lamp bead structure comprising four LED wafers, a PCB substrate and a circuit arranged on the substrate. The PCB substrate is composed of a plurality of unit substrates with square structures; common-level bonding regions are arranged at the centers of the unit substrates; non-common-level die bonding regions are arranged at four corners of the unitsubstrates; and common-level bonding pads and non-common-level bonding pads are arranged at the backs of the unit substrates. The common-level bonding regions are connected with the common-level bonding pads by common-level conduction holes; and the non-common-level die bonding regions are connected with the non-common-level bonding pads through surface-copper-plated conduction holes in a one-to-one correspondence manner. LED wafers with four different kinds of colors are pasted to the non-common-level die bonding regions. According to the invention, color combination of four primary colors is realized; the color fidelity of the LED display screen is improved substantially; the connection line is optimized; and the heat conduction requirement of the LED is met.

The invention discloses a large-length-to-diameter-ratio bar material belt type sorting device. The sorting device comprises a stock bin, a feeding mechanism and a height limiting plate; the stock binis used for storing bar materials; one end of the feeding mechanism is located under a discharging opening of the stock bin and is used for outputting the bar materials outwards; the feeding mechanism is obliquely arranged and is used for enabling the bar materials to be tightly attached together under the action of gravity; the height limiting plate is mounted at the discharging opening in the bottom of the stock bin and is used for limiting the height of the bar materials on the feeding mechanism. The sorting device has the beneficial effects that through the arranged adjustable height limiting plate, different limiting heights can be adjusted according to different diameters of the bar materials, the device is applicable to the bar materials in different diameters, and the bar materials are arranged on the same plane; the device is simple in overall structure, small in occupied area, not prone to errors, high in stability, low in cost, easy and convenient to operate and easy to maintain.

The invention relates to a swing piece conveying support, which comprises a support body, rollers, a support plate, an adjusting bracket, a guard plate and a plurality of mounting plates, and is characterized in that the support body consists of two parallel symmetric side plates and a connecting part between the two side plates; the outer side of the support body is provided with the mounting plates; one side of the support body is connected with the adjusting bracket; the number of the rollers is multiple; the multiple rollers are separately arranged on the support body and the adjusting bracket; the guard plate is arranged on the side plates of the support body; and the support plate is arranged below the guard plates. In actual use, as the adjusting bracket and the support body are connected through bolts, a positional relation between the adjusting bracket and the support body can be conveniently adjusted through the bolts, and therefore, the angle requirement of swing piece conveying is met; moreover, each side plate of the support body is in a shape of T, so that the distance requirement of swing piece conveying can be met to the maximum limit.

The invention discloses an SCR system of a ship engine. The SCR system of the ship engine comprises an engine exhaust pipe, an adblue spraying system and a catalyst. An exhaust port of the engine exhaust pipe is communicated with a gas inlet of the catalyst. A nozzle of the adblue spraying system is arranged in the engine exhaust pipe. A mixer is arranged between the engine exhaust pipe and the catalyst. The mixer comprises a mixer pipe body of a cylindrical structure and a blade assembly fixedly installed in the mixer pipe body. The blade assembly comprises a central round boss and blade components which are evenly arranged along the outer edge of the central round boss in the circumferential direction. Each blade component comprises a straight blade and a bent blade, wherein one side edge of the straight blade is connected with one side edge of the bent blade to form the blade component, one end of the blade component is connected with the outer edge of the central round boss, the included angle between the plane where the straight blade is located and the plane where the central round boss is located is alpha, and the included angle between the plane where the bent blade is located and the plane where the straight blade is located is beta. The SCR system of the ship engine is suitable for a ship.

The invention relates to a built-in limiting device for an adjustable angle range of a slewing bearing and its application, and belongs to the technical field of automatic motor limiting. and the toggle gear with the central hole, the lower balance wheel and the upper balance wheel, the built-in limit device is arranged in the main casing, the main casing is fixed on the end cover of the slewing bearing, and the limit switch is fixed on the protrusion of the main casing In the middle, the input shaft core passes through the eccentric wheel, the toggle gear, the lower balance wheel and the upper balance wheel, and the end is exposed, and is fixed with a baffle plate and a shaft core screw. The sides of the upper balance wheel and the lower balance wheel are respectively provided with trapezoidal protrusions and the limit switch is provided with two trigger ends corresponding to the upper balance wheel and the lower balance wheel respectively toward the center side of the housing. The built-in limiting device designed in the present invention is arranged on the basis of the slewing bearing, and is integrally wrapped in the casing, and the angular range of the limiting is adjustable, and the structure is reasonable and practical.

The invention discloses a solid wireframe modeling device, and relates to the technical field of solid wireframe modeling. The solid wireframe modeling device comprises a heating feed device on the lower portion and a modeling mechanism on the upper portion. The modeling mechanism comprises two automatic positioning devices and multiple locating modeling devices arranged up and down. Each locating modeling device comprises a square frame. A modeling frame is arranged in the middle of each square frame. The structures of the two automatic positioning devices are the same, and the two automatic positioning devices are located in front of and on the right portion of the locating modeling devices correspondingly. The automatic positioning device on the right portion comprises a vertical mounting shell. A guide groove is formed in the bottom end in a guide shell. A U-shaped swing rod is in sliding connection in the guide groove. The front side and the rear side of the swing rod are fixedly connected with locating push plates. A heat radiation device comprises a heat radiation fan mounted on the guide shell. The solid wireframe modeling device has the beneficial effects that a raw material wire is subjected to modeling through computer control, the modeling speed is high, and the solid wireframe modeling device is suitable for being used for large solid wireframe modeling.

The invention discloses a portable pressing adjustment oil-gas separation atomizer. The portable pressing adjustment oil-gas separation atomizer comprises a first rotating part and a second rotating part which rotate relatively, the first rotating part comprises a cigarette holder and a rotating block which are connected with each other, and the second rotating part comprises a shell and a sliding block contained in the shell. An oil bin is arranged in the shell, an oil hole is formed in the sliding block, the cigarette holder is communicated with the oil hole, one end of the sliding block abuts against the rotating block, the other end of the sliding block abuts against the shell in an elastic mode, and when the rotating block elastically presses or abuts against the sliding block, the oil hole is communicated with or not communicated with the oil bin. The portable pressing adjustment oil-gas separation atomizer has the advantage of oil-gas separation.

The invention discloses an automatic dredging device for a chlorine spray gun of a molten salt chlorination furnace, and belongs to the technical field of chemical production. The problems that in the prior art, chlorine spray gun dredging wastes time and labor, is low in efficiency and has potential safety hazards are solved. The device comprises a base (1) and a chlorine spray gun poking needle (16), wherein a lifting platform is arranged on the base (1), a transmission mechanism and a driving mechanism are arranged on the lifting platform, the transmission mechanism is connected with a heavy hammer mechanism, and the driving mechanism drives the heavy hammer mechanism to do reciprocating motion through the transmission mechanism to hammer the chlorine spray gun poking needle (16). Manpower is replaced by mechanical force, so that the poking needle is efficiently driven in and taken out, the furnace outage time of the chlorination furnace is shortened, the production efficiency is improved, and meanwhile, the potential safety hazard of chlorine emission when the poking needle is driven manually is eliminated.