22results about How to "Easy transition" patented technology

This invention discloses a horizontal rotation device for a bridge erecting machine, comprising a main beam, two sets of intermediate support legs, and two sets of auxiliary devices. The main beam includes two beam bodies and a main beam transverse joint hinged to the two beam bodies. Each set of intermediate support legs includes two intermediate support leg units, a support leg crossbeam, and an adjustment mechanism. The two intermediate support leg units are respectively hinged to the two beam bodies and slidably mounted on the support leg crossbeam. The adjustment mechanism is used to adjust the distance between the two intermediate support leg units. Each set of auxiliary devices includes two auxiliary support legs, which are respectively installed on the two beam bodies. The two sets of auxiliary devices and the two sets of intermediate support legs are used to alternately support the bridge deck to lift the main beam. This invention also provides a method for horizontal rotation of the bridge erecting machine. The described horizontal rotation device and method for the bridge erecting machine achieve horizontal rotation of the bridge erecting machine by alternately rotating the main beam and intermediate support legs horizontally. Therefore, it facilitates site relocation and is applicable to conditions where precast beams and cap beams intersect at an angle.

This invention relates to the field of ultra-high strength steel welding technology, and more particularly to a laser welding method for the pickling and rolling process of 980MPa cold-rolled multiphase steel. The 980MPa cold-rolled multiphase steel is produced using a combined pickling and rolling unit. The tail end of the front coil and the head end of the rear coil are butt-welded using a laser welding machine, with 780MPa multiphase steel used as the transition material. By adjusting the welding process parameters, the welding difficulties encountered in the pickling and rolling process of 980MPa multiphase steel are solved, reducing the incidence of strip breakage along the weld seam during pickling and rolling, and effectively improving production efficiency.

The application belongs to the technical field of iodine-containing wastewater treatment, and specifically provides a method for treating iodine-containing wastewater, which comprises the following steps: mixing a metal-doped bismuth tungstate material for treating iodine-containing wastewater with a binder and a conductive agent to prepare a slurry, coating the slurry on a conductive substrate, and drying to obtain a membrane electrode, and using the obtained membrane electrode to treat iodine-containing wastewater; and a preparation method of the metal-doped bismuth tungstate material for treating iodine-containing wastewater, which comprises the following steps: 1) dissolving bismuth salt and iron salt in a solvent to prepare a mixed solution; 2) adding a tungstate solution to the mixed solution to form a suspension, and then performing a hydrothermal reaction, collecting the precipitate after cooling, and washing and drying to obtain the product. The metal-doped bismuth tungstate material prepared by the application has the advantages of high specific surface area and good photo-assisted electric adsorption performance.

The utility model discloses profile cutting equipment for building construction, and relates to the technical field of building profile processing, the profile cutting equipment for building construction comprises a cutting machine body, a base, support frames and a material guide roller, the cutting machine body is rotatably connected to the base, the support frames are vertically and rotatably connected to the two sides of the base, and the material guide roller is arranged on the base. The supporting frames are evenly and rotationally connected with a plurality of material guide rollers, the two supporting frames rotate to be horizontal and are in butt joint with the base to form a long supporting platform, and the upper sides of the material guide rollers are matched and flush with the upper side of the base. The supporting frames which can rotate to the horizontal state and are in butt joint with the base are arranged on the two sides, an extended rigid supporting platform is formed, the problems of overhanging and inclining in the long profile machining process are effectively solved, the perpendicularity and machining precision of a cutting face are guaranteed, after machining is completed, the supporting frames can rotate to be folded to the vertical state, and the supporting frames can be folded to the horizontal state. And the equipment size is greatly reduced, and transportation and transition are facilitated.

This application relates to the field of cold cathode field emission material preparation technology, and discloses a method for preparing a graphene-diamond composite structure to improve the field emission performance of diamond. The method involves first dispersing nanodiamonds and graphene oxide in a deep eutectic solvent; then adding boric acid to induce an in-situ sol-gel transformation under heating, forming a gel network that locks the dispersed phase; followed by microwave-assisted interface activation and gradient high-temperature carbonization, and finally cleaning and drying to obtain the product. This invention effectively suppresses phase separation and agglomeration during pyrolysis through a gel solidification mechanism, and utilizes the deep eutectic solvent and boric acid pyrolysis to achieve in-situ co-doping of nitrogen and boron, constructing a low-barrier continuous conductive channel on the diamond surface, and realizing tight electrical interconnection between components. This method is simple and controllable, and the resulting composite material possesses excellent conductivity, low turn-on electric field, and high emission stability, thus improving the electron emission efficiency of cold cathode devices.

The application relates to a belt conveyor transition device which comprises inverted L-shaped mounting supports composed of mutually perpendicular first supporting plates and second supporting plates; further comprises a turnover plate arranged between the two inverted L-shaped mounting supports, one side of the turnover plate is respectively slidably connected with the two inverted L-shaped mounting supports, the other side of the turnover plate is respectively connected with the two inverted L-shaped mounting supports through connecting rods; one end of the connecting rod is rotationally connected with the turnover plate, the other end of the connecting rod is slidably connected with the second supporting plate; the first supporting plate is provided with a limiting block for limiting the rotation angle of the turnover plate and the connecting rod. The utility model overcomes the defects that the existing automobile parts are directly placed in the flowing belt, the service life of the belt is sharply reduced, and the parts are prone to deformation, improves and prolongs the service life of the belt, the parts are not easily deformed due to being pulled by the excessive speed difference of the belt, and the structural deformation and damage of the parts are reduced.

This utility model discloses a smoke exhaust pipe, a smoke exhaust assembly, and an integrated stove, belonging to the field of integrated stoves. It includes a pipe body with cross-sectional shapes on a plane perpendicular to its smoke exhaust direction. Each cross-sectional shape is parallel to a common direction, and the projected length of each cross-sectional shape along the common direction is less than or equal to the projected length of its corresponding plane in other directions. The smoke inlet of the pipe body is a first smoke inlet, and a connecting structure for connecting to the exhaust hood is also provided at the first smoke inlet of the pipe body. The technical advantage of this utility model is that the smoke exhaust pipe only occupies a small portion of the width used to conceal the cabinet, allowing for a larger remaining usable width in the cabinet, indirectly increasing the usable storage space of the cabinet.

The application relates to a preparation method of liquid bio-fermented feed, liquid bio-fermented feed and bio-fermented emulsion liquid feed, belonging to the technical field of feed preparation. The preparation method of the present application may overcome physiological problems of weaned piglets such as insufficient gastric acid secretion, low content and activity of digestive enzymes, incomplete development of immune system, disorder of intestinal microecosystem and the like. The prepared bio-fermented liquid feed has good palatability and high nutrition, easy digestion, low acidity and is a liquid feed similar to breast milk, which can both effectively alleviate the weaning stress syndrome of piglets, and realizes the perfect transition from breast milk to conventional solid feed.

The utility model provides a kind of automobile rearview mirror, including rearview mirror body, and the flow guide frame being located in the rim of rearview mirror body, flow guide frame includes the link portion being linked with rearview mirror body, the flow guide portion being arranged with link portion angle, and the transition portion between link portion and flow guide portion, link portion from rearview mirror body side towards transition portion, by rearview mirror body outwardly inclined arrangement, flow guide portion from transition portion side towards the side far from link portion, by outwardly inclined arrangement towards rearview mirror body, flow guide groove is recessed in flow guide portion, flow guide groove has straight section, inclined section located in the both sides of straight section, still have groove in straight section and inclined section. The utility model can make airflow better transition to flow guide groove by the design of inclined portion, avoid the obstruction of original flow guide frame to airflow, simultaneously make flow guide frame and have drainage function by the design of flow guide groove and groove, wind resistance can also be reduced on the basis of meeting aerodynamics.

The application belongs to the technical field of semiconductor processing and manufacturing, and provides a preparation method of SOI material and SOI wafer, which comprises sequentially preparing an aluminum nitride layer, an aluminum oxide layer and a top layer of silicon on a first substrate to obtain a first bonding body; providing a support substrate provided with a buried oxygen layer as a second bonding body, and bonding the first bonding body and the second bonding body to obtain a bonding structure; and then sequentially removing the first substrate, the aluminum nitride layer and the aluminum oxide layer in the bonding structure to expose the top layer of silicon and obtain the SOI material. The ion implantation process is replaced and omitted by the combination of epitaxial growth, bonding and removal processes, so that the performance problems caused by the introduction of various defects can be avoided, the accurate control of the thickness of the top layer of silicon and the quality of the buried oxygen layer can be facilitated, the complexity of the process and the process cost can be reduced, and the application is particularly suitable for the batch production of 300mm and above large-size SOI wafers.

The utility model relates to the technical field of pipe fitting, especially relates to a ring clamping double-sealing type several shape pipe fitting, including several shape pipe, the both ends of several shape pipe are fixed with ring clamping joint, ring clamping joint includes with the first annular portion of several shape pipe end portion is connected, the first annular portion is connected with first arc convex portion, first arc convex portion is connected with second annular portion, second annular portion is connected with third annular portion, the utility model discloses under the premise of not changing pipe fitting internal fluid flow can adapt to the construction environment of air pipe or crossbeam, and the installation and maintenance are convenient, and the sealing of connection is greatly improved.

The application provides a kind of medium voltage distribution network target network frame multi-stage transition planning method considering complex interconnection, first, the topological structure of actual medium voltage distribution network is abstracted and simplified, the interconnection distance between feeder lines is determined by Dijkstra shortest path method on this basis, and the interconnection candidate library matrix is obtained by further screening of interconnection distance threshold, second, considering the requirement of total length of feeder transfer in actual engineering, the interconnection safety distance is introduced, and the feasible interconnection in interconnection candidate library matrix is further screened and corrected to obtain the interconnection optimization matrix, then the feeder interconnection optimization matrix is constructed by comparing the original interconnection relationship matrix of planning area, whether the line interconnection in the matrix is constructed and the construction position is taken as the decision variable, the multi-stage planning model is established with the optimal total cost and benefit of the whole planning period as the optimization target, the decision variable is parallel coded, and the dynamic programming algorithm based on parallel state reduction is proposed to solve, and the multi-stage transition planning scheme is obtained, which effectively avoids the investment waste phenomenon such as line reconstruction and demolition in distribution network planning, the target network frame transition path is clear, and it is conducive to assisting planning personnel to make decisions.

The application discloses a butt joint structure of a ship bulb plate and a T-shaped section, which comprises a transition panel, wherein the transition panel is a variable-thickness plate, the transition panel connects the side of the T-shaped section panel and the side of the bulb plate panel, and the thickness of the transition panel gradually increases in the direction from the bulb plate to the T-shaped section; a triangular transition plate, wherein the triangular transition plate connects the side of the T-shaped section panel and the smooth surface of the bulb plate panel; a transition web, wherein the transition web connects the web of the T-shaped section and the web of the bulb plate, the length of the transition web along the length between the bulb plate and the T-shaped section is equal to the length of the transition panel; and transition welding filling is adopted between the transition panel and the bulb plate panel and between the triangular transition plate and the bulb plate panel. The structure of the application connects the panel and the web of the bulb plate and the panel and the web of the T-shaped section, forms a good transition, and can guarantee the structural strength and the transition panel and the web.

The spliced fence for livestock breeding comprises stand columns and further comprises a combination mechanism, the combination mechanism is arranged on the surfaces of the stand columns, the combination mechanism comprises sliding grooves, outer sliding seats, movable seats, grids, inner sliding seats, adjusting bolts and adjusting nuts, the sliding grooves are formed in the two sides of the surfaces of the stand columns in the vertical direction, and the outer sliding seats are arranged on the outer sliding seats. The stand columns are slidably connected with outer sliding seats located on the outer surfaces of the stand columns through sliding grooves, inner sliding seats are arranged on the portions, located in the sliding grooves, of the surfaces of the outer sliding seats, the grille is unfolded towards the two sides, and after the appropriate height and angle are achieved, adjusting bolts are tightened, so that the outer sliding seats and the inner sliding seats are matched to be clamped and fixed to the surfaces of the stand columns. Meanwhile, adjusting bolts are matched with the outer sliding seats to fix the angles of the grids, the fences can be assembled by fixing the stand columns according to proper intervals and butting the ends of the grids, the grids are reset to be stored on the two sides of the surfaces of the stand columns during disassembly, the overall occupied space of the device can be reduced, transportation and transition are facilitated, and the convenience of assembling, disassembling and transferring of the fences is improved.

This utility model discloses an ultraviolet (UV) photography auxiliary device for archaeological sites, including a support mechanism on a column bracket and an auxiliary mechanism on a telescopic fixing plate. The support mechanism on the column bracket allows for folding and telescopic operation. Compared to traditional fixed-length or non-foldable brackets, this significantly reduces the device's volume when not in use, facilitating transportation and relocation. The bracket can be quickly extended to the required length and erected, or folded away quickly after work, reducing the time and effort spent by archaeologists during equipment installation and disassembly. Furthermore, the auxiliary mechanism on the support mechanism effectively solves the problem of traditional UV photography auxiliary devices for archaeological sites lacking UV photography height adjustment functionality. It can precisely adjust the UV lamp cover to the appropriate height according to different target areas, ensuring accurate coverage of the target area.

This invention relates to an experimental puppy food, comprising: 10-30 parts puffed corn, 1-5 parts puffed soybean meal, 15-30 parts puffed rice flour, 25-40 parts chicken meal, 3-10 parts olive oil, 3-10 parts duck fat, 0.5-1 part limestone powder, 0.02-0.05 parts choline chloride, 0.1-0.3 parts sodium chloride, 1-4 parts chicken liver powder, 4-8 parts beef flavoring agent, 4-8 parts milk powder, and 3-4 parts multivitamin and mineral premix; it also includes inactivated probiotics, with 1-6g of inactivated probiotics added per kg of puppy food, the inactivated probiotics including Pediococcus lactis CGMCC No. 23551; and it also includes Eucommia ulmoides leaf extract, with 4-12g of Eucommia ulmoides leaf extract added per kg of puppy food. The experimental puppy food mentioned above was fortified with inactivated probiotics and plant extracts to improve the intestinal microecological balance of the experimental dogs, increase the digestibility and utilization of the dog food, and enhance the stress resistance of the puppies. The prepared dog food has low hardness, making it easy for puppies to eat during the weaning transition period and reducing stress. The milk powder uses an external spray coating process to enhance the immune function of the experimental puppies, and nitrogen packaging helps to preserve the feed.

This invention belongs to the field of cleaning equipment technology, and specifically relates to a novel cleaning patrol vehicle, including a vehicle body assembly. A rack is installed on the rear side of the vehicle body assembly, and a trash can is placed inside the rack. Side brushes are installed on the sides of the vehicle body assembly, and a roller brush housing is installed on the rear side of the side brushes. The roller brush housing is fixed to the vehicle body assembly via a housing connecting rod and a push rod connecting rod. An electric push rod is also fixedly installed on the vehicle body assembly, and a rotating shaft B is rotatably connected to it. The rotating shaft B is rotatably sleeved with the push rod connecting rod, and the output end of the electric push rod is hinged to one end of the push rod connecting rod. This invention reduces the vehicle height by using a foldable headrest and backrest, thereby saving transportation space and reducing transportation costs. By raising the roller brush housing, the lifespan of sweeping consumables is increased, reducing operating costs. Furthermore, the switching between operating modes and patrol / transfer modes ensures safety while improving work efficiency.

A construction method of building external wall insulation board gap insulation cold bridge system, including the following steps: step 1 preparation before construction; Step 2 pretreatment of base layer, remove floating dust, oil stains, loose ash layer, blow with high pressure air; Step 3 BIM layout defense line; Step 4 board processing; Step 5 slurry brushing; Step 6 bonding and paving, full gap; Step 7 exhaust compaction; Step 8 male and female angle closing; Male and female angle slurry full filling, slurry thickening full coating; Step 9 maintenance quality control; Step 10 product protection. The present application is simple in field construction, without too many complex procedures, strengthens bonding and system integrity, blocks gaps, improves sealing and insulation effect, optimizes insulation layer transition, reduces stress concentration, improves construction adaptability and reduces installation difficulty.

The invention discloses a lifting appliance for steel structure construction and a lifting method, and relates to the technical field of steel structure lifting. Comprising two mounting plates which are symmetrically arranged and fixedly connected through bolts, a rotating wheel set rotationally connected between the two mounting plates through a rotating wheel shaft and a connecting block rotationally connected between the two mounting plates through a connecting shaft and located above the rotating wheel set, an upper lifting lug assembly is mounted on the connecting block, and the upper lifting lug assembly comprises a main lifting lug and a lower lifting lug; a reinforcing lifting lug; the reinforced lifting lugs are additionally arranged on the two sides of the main lifting lug, so that a reinforced lifting lug structure is formed, on one hand, the load performance of the lifting lugs can be enhanced, the deformation and cracking probability of the lifting lug structure is reduced, and on the other hand, after a single lifting lug is damaged, the other two lifting lugs can also play a load role together; the overall reliability and safety of the lifting lug structure are improved; in addition, the improved lifting lug structure is changed, stress concentration of the main lifting lug can be weakened, and therefore the lifting lug structure has higher load performance.

This invention discloses a truss-mounted mobile robot and its operating method, comprising: a head-mounted drive unit, a vertical truss, a horizontal truss, a truss rolling connection mechanism, a tail support wheel assembly, a lifting unit, and a working unit. The robot's head-mounted drive unit is mounted on a wind-resistant ring on the outer wall of a storage tank, which serves as the walking track for the head-mounted drive unit. The robot's tail support wheel assembly provides rolling support on the outer wall of the storage tank. During operation, the lifting unit drives the horizontal truss to move vertically along the vertical truss, the working unit moves horizontally on the horizontal truss, and the head-mounted drive unit drives the vertical truss to move along the walking track of the wall to be constructed, enabling the working unit to fully cover the working area of ​​the wall to be constructed.