75results about How to "Enough clearance" patented technology

A bark bleaching process; the steps are as follows that hydrogen peroxide, sodium hydroxide, sodium silicate and magnesium chloride are taken in I bleacher according to a certain proportion to make bleaching liquid: the bark is encased in a bark bleaching frame and the frame is soaked in the bleacher; a pump is adopted to continuously circulate the bleaching liquid in the bleacher; at the same time, steam is input for heating the bleaching liquid and the temperature is kept constant between 60 to 70 Celsius degrees; the constant temperature is kept for 4 to 6 hours; the bark bleaching frame is taken out of the in I bleacher and put into II bleacher filled with oxalic acid solution; a liquid compulsory circulation device is used to make the liquid in the bleacher continuously circulate; the bark bleaching frame is taken out after the frame is soaked for continuous 30 minutes; the bleaching frame is washed with pressed clean water and the drying treatment is implemented at last. The present invention also discloses a special bark bleaching frame and snakelike parting strip for angle steel welding. The present invention boasts of low investment on equipment, high production efficiency and excellent bleaching effect.

The invention relates to the technical field of hydrogen storage equipment, and particularly discloses a solid-state hydrogen storage device with high heat exchange characteristics. The solid-state hydrogen storage device comprises an outer tank, wherein an air inlet and outlet valve is arranged at the top of the outer tank, a plurality of hydrogen storage cylinders are fixed in the outer tank insequence, a gap of 0.5mm-3mm is formed between every two adjacent hydrogen storage cylinders, filter sheets are fixed at two ends of the hydrogen storage cylinders correspondingly, a plurality of heat-conducting partition plates are arranged in the hydrogen storage cylinders along the axial direction of the hydrogen storage cylinders, the plurality of heat-conducting partition plates divide the hydrogen storage cylinders into a plurality of hydrogen storage spaces, and the hydrogen storage spaces are filled with hydrogen storage materials. According to the solid-state hydrogen storage device,the multi-layer storage spaces are adopted, so that more rapid hydrogen absorption can be realized, and the problem of structural damage caused by uneven distribution of the hydrogen storage materialsin a hydrogen storage tank and stress concentration in the prior art is effectively solved; and in addition, the uniform distribution of the hydrogen storage materials enables the distribution of heat generated in a hydrogen absorption process to be more uniform, and the heat can be more rapidly conducted out of the hydrogen storage device.

The invention relates to a fixing construct of a fixed part and a clip, particularly, the invention relates to the fixing construct of the fixed part and a battle pin type clip: when withdraw force above the rated value acts, the fixed part which is installed on the fixed part can move away from the fixed part. And the construct is that, when the withdraw force above the rated valve acts, the pincomponent moves a regulated stroke relative to the ring component towards to the extracting direction, besides the ring component moves a regulated stroke relative to the component of the installationring component towards to the extracting direction.

The invention discloses a cavity radio frequency device and a fly rod thereof for capacitive cross coupling. The cavity radio frequency device adopts a pectinate line resonant cavity arrangement structure. The fly rod is used for realizing the capacitive cross coupling between two non-adjacent resonant cavities of the cavity radio frequency device. The two sides of the fly rod are provided with a coupling piece respectively; the two coupling pieces are connected through strip-lines; the coupling pieces and the strip-lines are all printed onto medium plates; the strip-lines are arranged in a disconnecting way to form an independent middle section and two side sections directly electrically connected with the coupling pieces on the two sides respectively to form a coupling surface; the middle section and the coupling surface are printed onto different medium plates respectively; and the two ends of the middle section are electrically connected with the two side sections respectively. In such a way, the fly rod can endow the cavity radio frequency device with relatively better capacitive cross coupling effect and simultaneously ensures high-power signals smoothly pass through.

The invention discloses a self-locking type hinge and a cubic star battery array adopting the self-locking type hinge. The self-locking type hinge comprises a body inserting panel fixing part, unfolding array fixing parts, a positioning shaft, screws, locking pieces, a torsional spring, positioning pins, springs and limiting protrusions. Under drive of torsional spring force, the unfolding array fixing parts rotate around the body inserting panel fixing parts, and when the unfolding array fixing parts are unfolded to the set angle, the springs pop the positioning pins into blind holes from through holes so as to achieve the positioning effect; the cubic star battery array adopts the hinge of the type, and the battery array comprises 3P battery plates and a plurality of self-locking type hinges, wherein the P is equal to 1, 2, 3 and the like, the battery plates are equally divided into three rows, and the rows are connected through the hinges; the hinge connecting the first row of battery plates and the second row of battery plates and the hinge connecting the second row of battery plates and the third row of battery plates are located on the two faces of the battery plates, and the column of the second row and another columns are connected through the hinges; and the hinges on the adjacent columns are located on the two faces of the battery plates; and the self-locking type hinge and the cubic star battery array are small in size, small in mass, high in adaptation, good in transportability and large in unfolding area.

The invention relates to a power conversion device of a mechanical transmission system, more particularly to a shifting system of an automobile transfer case. In the shifting system, drive pinion external splines, input shaft shifting external splines, shifting engagement sleeve internal splines and drive gearwheel external splines all employ the splines with the same modulus and teeth number, tooth crests of the engagement sleeve internal splines, the drive pinion external splines and the drive gearwheel external splines shrink inwards, the end face line, from the tooth crest to tooth root, of each spline positioned on the end face is processed from a shape of minus sign into a shape of reversed V, and the shifting engagement sleeve internal splines, the drive pinion shifting external splines, the input shaft shifting external splines and the drive gearwheel shifting external splines are regulated in the thickness of tooth thereof in the direction of axis. The head of the spline is designed with particular angle and shape, which can ensure fast positioning during the bonding of the splines, without the phenomenon of 'gear sliding' and 'out of gear'.

An explosion-proof lamp comprises a transparent piece with a hanging flange at the open end, a metal pressing ring, a shell with inner explosive-proof threads arranged on the inner wall of the open end, and a sealing ring sleeved with a sealing groove. The metal pressing ring comprises a first open end and a second open end opposite to the first open end, outer explosive-proof threads and the sealing groove are arranged on outer wall of the metal pressing ring, the outer explosive-proof threads are close to the first open end, the thread forms of the outer explosive-proof threads are isosceles trapezoid, and the sealing groove is close to the second open end and surrounds the metal pressing ring by a circle. A blocking boss is arranged on the inner wall of the metal pressing ring, is close to the second open end, and surrounds the inner wall of the metal pressing ring by a circle. The hanging flange is accommodated in the metal pressing ring from the other end of the metal pressing ring, and the bottom face of the hanging flange abuts against the blocking boss. The thread forms of the inner explosive-proof threads are isosceles trapezoid, and the inner explosive-proof threads are meshed with the outer explosive-proof threads. The explosion-proof lamp is good in airtightness, and convenient to disassemble.

The subject-matter of the invention is a machining unit for a milling and drilling machine, comprising a spindle housing (1) which is supported on a machine part and can be moved in a longitudinal direction, a milling head (5) mounted on the face end of the spindle housing (1), a work spindle (6) supported in the milling head (5) and comprising an electric drive motor, and an energy and working stock supply to the milling head (5) formed of bunched lines and cables. The bunched lines and cables for the energy and working stock supply are disposed inside the spindle housing (1) in the shape of a string (25) and introduced into the milling head (5) via a rotary transmission leadthrough (8) on the face.

The invention discloses a hinge for an expandable solar cell array of a cubesat. The hinge for the expandable solar cell array of the cubesat comprises a body installation plate fixing piece, an expendable array fixing piece, a positioning shaft and a torsional spring. The body installation plate fixing piece is of a three-side surrounding structure. The expandable array fixing piece is matched with the shaped defined by the body installation plate fixing piece. The positioning shaft is fixed in the body installation plate fixing piece and is in running fit with the expandable array fixing piece. The axis of the positioning shaft serves as the circle center around which the body installation plate fixing piece and the expandable array fixing piece rotate mutually. Limiting protrusions which are located on the same rotating surface are arranged on the opposite end faces of the body installation plate fixing piece and the expandable array fixing piece in a staggered mode. The body installation plate fixing piece and the expandable array fixing piece are in clearance fit through the limiting protrusions on the end faces of the body installation plate fixing piece and the expandable array fixing piece. The positioning shaft in the expandable array fixing piece is sleeved with the torsional spring and limited in the axial direction by the two inner end faces of the expandable array fixing piece. A straight torsional arm of the torsional spring makes contact with a body installation plate and the expandable array. The hinge is small in size, low in weight, high in adaptability and high in transportability.

The invention relates to a pollination method for radish breeding materials. The pollination method includes the steps of radish seed selection, radish planting, radish management after planting, mesh enclosure setup, thinning and supporting, manual powdering, pollination period management and seed harvesting. Radish management after planting includes watering, fertilization and pest elimination; thinning refers to cleaning radish branches in the early flowering stage of radishes and retaining 3-5 branches on each single plant; supporting refers to fixing each radish single plant and tightening the radish branches of a dispersed plant type; mesh enclosure setup refers to setting up a mesh enclosure according to the number of the materials after transplanting survival of the radishes, compacting the bottom of the mesh enclosure, fixing the outside of the mesh enclosure and mounting a wire drawing door on a narrow side of the mesh enclosure; and manual powdering refers to gradually powdering different flowers of the same plant or different single plants of the same material without pollution or damage. The pollination method is simple in process, insect pollination can be effectively prevented, mixed pollination is avoided, loss of beneficial genes of the radish materials can be avoided, and seed production cannot be affected by environmental factors.

The invention discloses a coating support for an automobile body. In the coating support, a body is a sheet metal component which is subjected to punch forming. The coating support is characterized in that: the bottom surface of the body is in a rectangular shape; a positioning hole is coated on the bottom surface; a first lateral surface, a second lateral surface and a third lateral surface which are vertical are connected to three edges of the bottom surface; flangings are arranged at free ends of the first lateral surface and the third lateral surface and are edges which are welded with a longitudinal beam; reinforcing ribs are arranged on the second lateral surface to enhance the strength of the coating support and play an exhausting role during coating; and the first lateral surface,the second lateral surface and the third lateral surface are connected with the longitudinal beam in a positioning mode. By the coating support, the problem that a process support cannot be arranged on the longitudinal beam due to reasons such as limitation of the positions of the longitudinal beams in different automobile types and the like is solved, the longitudinal beam is not needed to be changed, and a coating production line for different automobile types is easy to share. In addition, the coating support has a simple structure and is easy to manufacture, the weight of the finished automobile is relieved, and the cost is reduced.

The invention discloses a posterior chamber implanted phakic intraocular lens. The intraocular lensis made of an acrylic material with high index of refraction, and is composed of an optical part anda supporting part. The intraocular lensis implanted between a natural lens and an iris, andis supported in a ciliary groove by a loop matched with the size of the ciliary groove. The intraocular lenshas a roundedposterior surface and a biconcave shape,spherical aberration is small, and the optical part is large. The intraocular lens can ensure the safetygap betweeneye tissues and the intraocularlens after implantation, and has no glare and better imaging quality.

An embodiment of the invention discloses a technical scheme of determining a border line between road network partitions, in particular to a method and equipment for determining a road network partitioning border line. The method comprises the steps of: determining a border point based on road network data and partitioning information of road segments in the road network; determining a buffer zone between adjacent partitions based on the border point, the partitioning information of the road segments, and the road network data; and determining a border line between the adjacent partitions based on the buffer zone. Through adoption of the method and the equipment provided by the invention, the border lines for road network partitions can be accurately determined.

The invention discloses a diving-pump water-lubricated anti-thrust device, which comprises a bearing sleeve, a thrust bearing disk and a shaft sleeve, wherein the bearing sleeve is a cylinder body which is provided with a thrust flange at one end, the flange end surface of the thrust flange is provided with water-guiding slots which are radially, circumferentially and uniformly distributed and extend to all parts of the inner-hole wall of the thrust flange, the thrust bearing disk is a flat disk with a central hole, one end surface of the thrust bearing disk is provided with water-combing slots which are radially, circumferentially and uniformly distributed and extend to all parts of the inner wall of the central hole, the other end surface of the thrust bearing disk is smooth, the shaft sleeve is a cylinder body which is provided with a thrust flange at one end and can rotate along with a pump rotating shaft, the thrust bearing disk and the bearing sleeve are sequentially sleeved on the shaft sleeve in the mode of sliding fit, the end surface of the thrust bearing disk provided with the water-combing slots is stuck to the thrust flange of the shaft sleeve, and the end surface of the bearing sleeve provided with the water-guiding slots is stuck to the smooth surface of the thrust bearing disk. The diving-pump water-lubricated anti-thrust device has the beneficial effects that impact and friction damage generated at the end part of a pump shaft sleeve and the end part of the bearing sleeve is reduced, the smallest upward and downward running quantity of a pump vane is maintained for a long time, and the service life of a diving pump is prolonged.

The invention discloses a machining method for a plastic movable composite member. The machining method comprises the following steps of injection molding of a first movable piece, cooling of the first movable piece, demolding of the first movable piece, injection molding of a second movable piece, cooling of the second movable piece and demolding of the second movable piece. According to the machining method for the plastic movable composite member, the connected movable pieces in the formed composite member can relatively move, movement is smooth, no clamping sense is generated, the performance is stable, and the product quality is high.

The invention relates to a 5G communication terminal device which is flexible in structure and convenient to use. The device comprises a main body, a supporting mechanism, a display mechanism and twowiring mechanisms. A plurality of keys are arranged on one side of the main body. The display mechanism comprises an opening, a sliding plate, a display plate, a sealing plate, two sliding rails and two sealing assemblies. The sealing assembly comprises a vertical rod, a lantern ring and a supporting plate. The wiring mechanism comprises a top plate, a bottom plate, a fixing shaft, a sleeve, a wiring board and a fixing assembly. According to the 5G communication terminal device which is flexible in structure and convenient to use, the wiring board can be conveniently rotated to a position parallel to one side of the main body where the key is located through the wiring mechanism. Moreover, after the device is used, the display plate can be contained in the opening through the display mechanism, the display plate can be protected against damage. Meanwhile, the keys are separated from the display plate, enough gaps are formed between the keys, misoperation is avoided, the device is moreconvenient to use, and therefore the practicability of the device is improved.

The invention provides a positioning mechanism and a conveying line. A carrier, a jacking part and a side positioning part are arranged in the positioning mechanism, wherein the carrier is used for bearing and conveying products, a carrier base of the carrier is used for placing the products, and a carrier limiting part arranged on the carrier base can limit the products located on the carrier base; at least one part of the jacking part is arranged in a lifting manner so as to be in limited fit with the carrier base and jack and position the carrier to a fixed position at a preset height, at least one part of the side positioning part can be horizontally and movably arranged to push the products positioned on the carrier which is jacked to the preset height, and the products are positionedat the preset position matched with the carrier limiting part in a limit fit manner. When the products are placed on the carrier, the accurate position of the products on the carrier is not requiredto be limited, and accurate positioning of the products can be realized through cooperation of different parts. According to the scheme, the problem that product damage is easily caused during conveying and taking and placing of products is avoided while product positioning requirements are met.

This sewing machine is provided with a movable leg 2 disposed at the bottom of the sewing machine and turned after slidingly operated from a storage position when tilting the bed surface 11, a torsion coil spring (an elastic member) energizing the movable leg 2 from the storage position in the direction of being turned, a locking mechanism 8 releasably retaining the movable leg 2 in the storage position, and a stopper 5 restricting the movable leg 2 at a predetermined turning position and clamping the movable leg 2 between itself and the torsional coil spring 6. The invention provides a human-friendly sewing machine enabling sewing-machine work in an easy posture by easily tilting a bed surface of the sewing machine in a single operation and stably retaining the tilted state.

The invention provides an impeller rotation gap detection device, and belongs to the field of water jet propellers. The impeller rotation gap detection device comprises a screw rod assembly, an impeller connection assembly, a support base assembly and a loading assembly, wherein the screw rod assembly comprises a screw rod; the impeller connecting assembly comprises a transition flange, and the transition flange is coaxially and fixedly connected to one end of the screw rod; the supporting base assembly comprises a supporting base plate, a detection window, a through hole and an annular spigotare formed in the supporting base plate, the screw rod is coaxially located in the through hole, and the detection window is located between the through hole and the annular spigot; and the loading assembly comprises a threaded sleeve, and the threaded sleeve sleeves the screw rod. During detection, by rotating the threaded sleeve, a hub of an impeller is pulled in the axial direction by means ofthe screw rod, and the gap between the impeller and an impeller cover is measured through the detection window in the supporting base plate by means of a feeler gauge and other gap measuring tools; and the impeller rotation gap detection device is conductive to guiding the assembly of the impeller and the impeller cover, so that an enough gap can be formed between the impeller and the impeller cover during actual operation, and scraping is avoided.

The invention discloses a lock pin type three-conical-surface synchronizer which comprises a high-gear conical ring assembly, a synchronizer sliding gear sleeve, a low-gear conical ring assembly and three groups of conical surface friction pairs, wherein the high-gear conical ring assembly, the synchronizer sliding gear sleeve and the low-gear conical ring assembly are sequentially arranged; a high-gear lock pin of the high-gear conical ring assembly is connected with a high-gear lock hole of the synchronizer sliding gear sleeve; the three groups of conical surface friction pairs comprise a first friction pair formed by a friction internal ring assembly and a friction middle ring, a second friction pair formed by the friction middle ring and a friction external ring and a third friction pair formed by the friction external ring and a low-gear gear respectively; the friction internal ring assembly comprises a friction internal ring and a low-gear lock pin, and the low-gear lock pin of the friction internal ring assembly is connected with a low-gear lock hole in the synchronizer sliding gear sleeve; the friction external ring and the friction internal ring are both oppositely provided with snap spring slots, and are relatively positioned by snap springs arranged in the snap spring slots. According to the lock pin type three-conical-surface synchronizer, a novel mechanical structure is adopted, so that the problems of poor concentricity of the three conical surfaces and unreliable gear engagement locking of the three-conical-surface synchronizer are solved.

The invention relates to the field of stress corrosion testing, in particular to a flaky sample stress corrosion loading device and a using method. The loading device supporting plate is matched withthe notches in the lower edges of the two fixing plates and then is connected with the notches through fastening screws. Grooves are formed in the two studs, through holes with convex surfaces are formed in the two fixing plates, and the grooves of the two studs are matched with the convex surfaces of the through holes in the two fixing plates. One end of each of the two studs is in threaded connection with the sample chuck. The other end of the short stud is connected with the nut. The other end of the long stud is provided with a spring and a gasket and is finally connected with a nut, and two ends of the sheet sample are respectively clamped at the gaps of the two sample chucks and are fastened by two pins to form the loading device. The device is ingenious in design, simple and convenient to operate, low in cost and suitable for stress corrosion testing in a normal-temperature and normal-pressure corrosion environment, and can also be used for stress corrosion testing in a high-temperature and high-pressure environment when a special corrosion-resistant alloy is adopted for processing and preparation.

The invention discloses a western medicine tablet centralized collection and drying device. The device comprises a shell, wherein a control switch and a first fan are installed on the outer side of the left side surface of the shell, the input end of the control switch is electrically connected to the output end of an external power supply, a shunting plate is installed on the inner side of the left side surface of the shell, and an air outlet of the first fan is connected to an inlet of the shunting plate through a pipeline. According to the western medicine tablet centralized collection anddrying device, the structure is simple, the use is convenient, the western medicine tablets are driven to ascend vertically by spiral plates, so that the western medicine tablets are distributed in aspacial mode, and thus mutual extrusion between the tablets is avoided, breakage or crushing of the western medicine tablets is prevented, and meanwhile, enough gaps are formed between the tablets, hot air is convenient to enter, so that the hot flow can uniformly dry the western medicine tablets, the rapid evaporation of the moisture is guaranteed, the uniformity of the original internal stress of the western medicine tablet is guaranteed, the later stage fragmentation and deterioration of the western medicine tablets are avoided, the storage life and the shelf life of the western medicine tablets are prolonged, and the drying effect is good.

The invention relates to a short-span thin coal seam coal mining machine. The coal mining machine comprises a cutting system, a machine body, a guide sliding shoe, a dragging connecting device and a supporting sliding shoe; the root of a motor-free rocker arm of the cutting system is rotationally supported in a standing shell of a non-swing transmission part, and large and medium size parts such as a cutting motor, a large gear and a planetary mechanism of the cutting system do not change positions along with swing of the rocker arm; the standing shell is fixed to the machine body and locatedin front of the machine body, and the standing shell and the machine body form a basic frame of the coal mining machine; and the guide sliding shoe and the supporting sliding shoe are both installed on the basic frame, the guide sliding shoe and the supporting sliding shoe support the rear portion and the middle portion of the basic frame from the lower portion respectively, and the machine body is in floating connection with a dragging chain of a scraper conveyor through the dragging connecting device. According to the short-span thin coal seam coal mining machine, the structural arrangementproblem of the short-machine-body high-power thin coal seam coal mining machine for the ultra-thin or thin coal seam working face with the complex conditions of low mining height, high coal rock hardness and the like can be solved.

The invention discloses a water-retention and fertilizer-conservation organic fertilizer supplying method for promoting early growth, quick tillering and robust growth of tobacco seedlings. In the day when tobacco seedlings are transplanted or one day before tobacco seedlings are transplanted, a biological liquid fertilizer, a fish protein organic liquid fertilizer and water are mixed in the volume ratio of 6:(0.2-1):(250-350), and a nutrient solution is obtained for use; dry coco coir and the nutrient solution are mixed at the mass ratio of 1:(5-7), and soaking is conducted for 2-12 hours, and coco coir substrate is obtained for use; before transplanting, the coco coir substrate is embedded in a tobacco pond, and in each pond, the application amount of the dry coco coir is 20-40 g; the tobacco seedlings are planted in the coco coir substrate in the tobacco pond, after transplanting, no water is needed to be sprayed, and a layer of fine dry soil is used for covering the surface layer; topdressing applying, watering, film mulching, seedling pulling-up and pest and disease damage control are conducted according to a conventional young seedling transplanting process. The fertilizer supplying method makes full use of the characteristics, such as loose texture, large porosity, low water content, low volume-weight and high moisture absorbability and moisture retentivity, of the coco coir substrate, the nutrient solution is adopted for supplying fertilizers, and therefore the coco coir substrate can provide sufficient water and fertilizers, can ensure sufficient air gaps and promote early growth, quick tillering and robust growth of the tobacco seedlings.

The invention relates to an end effector suitable for helical hole milling. A servo motor and a helical milling unit assembly of the end effector are connected through a clutch conversion mechanism assembly, and the helical milling unit assembly is provided with a presser foot unit assembly. The single servo motor of the invention controls eccentric adjusting and revolution at the same time. The engagement state of gears by controlling an air cylinder, switching between eccentric distance adjusting and helical hole milling state adjusting is achieved, finally, it is achieved that the single servo motor simultaneously controls eccentric adjusting and revolution, and meanwhile, the self weight of the end effector is lowered.