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224 results about "Upper segment" patented technology

Partition processing method for preventing oversized-diameter shield tunnel segment from floating upwards

The invention discloses a zoning treatment method for preventing oversized-diameter shield tunnel segments from floating, which comprises the following steps: step 1, arranging an expansion film bag on the outer side of an upper segment, and pouring cement-water glass quick-setting slurry into the film bag through a sleeve to enable the cement-water glass quick-setting slurry to expand to form a pressure arch; 2, pre-stressed anchor rods are arranged on the lower segment, and pressure-bearing gaskets are arranged; 3, after construction in the step 1 and the step 2 is completed, grouting is conducted on the middle segment, cement-water glass double-liquid slurry is injected from the middle segment, the slurry diffuses from the middle to the vertical direction in a fan shape, and the space behind the segment wall is fully filled; the grouting body, a film bag pressure arch formed on the upper portion and an anchor rod anti-pulling system arranged on the lower portion jointly form a continuous bearing structure to cooperatively restrain overall floating of the duct piece.
Owner:JINAN URBAN CONSTRUCTION GROUP CO LTD +2

Prestress anti-floating anchor rod

The utility model relates to the technical field of anti-floating anchor rods, and discloses a prestress anti-floating anchor rod which comprises a bottom anchoring plate, three rod bodies and a first triangular plate, the number of the rod bodies is three, and the three rod bodies are fixed to the upper end face of the first triangular plate in an annular array mode. The bottom reinforcing piece is arranged on the lower end face of the bottom anchoring plate and used for reinforcing the bottom end of the bottom anchoring plate; the rod body reinforcing piece is telescopically arranged on the rod body and is used for reinforcing from the upper section of the rod body; the three rod bodies are fixed to the first triangular plate in the annular array mode and matched with the first triangular plate and the second triangular plate, by means of the stability of a triangle, the capacity of resisting building foundation buoyancy can be improved, and the overall stability of the structure is remarkably enhanced; the pressure promotes the connecting column to rise, the top block extrudes the movable block to move outwards to be inserted into a side soil layer, the bottom stability is improved, and the anti-floating capacity is improved.
Owner:CHINA CONSTR COMM ENG GRP UNITED

Cleaning accessory and cleaning equipment

PendingCN121943136AImprove operation inconveniencelow costSuction filtersSuction handlesMechanical engineeringVacuum cleaner
The invention provides a cleaning accessory and cleaning equipment, and belongs to the field of cleaning equipment. The cleaning accessory comprises an upper section assembly, a middle section assembly and a lower section assembly. The bottom end of the upper section assembly is provided with a driving surface which is obliquely arranged relative to the axis of the cleaning accessory; the middle section assembly and the upper section assembly are connected in a relatively rotating mode and provided with a movable first transmission piece. The lower section assembly is provided with a dust cabin used for collecting dust, a cabin door used for opening and closing the dust cabin and a second transmission part used for triggering the cabin door to be opened. When the upper section assembly rotates relative to the middle section assembly, the driving face acts on the first transmission part so that the first transmission part can drive the second transmission part to trigger the cabin door to be opened. According to the cleaning accessory and the cleaning equipment, the lower dust cabin door can be opened only by rotating the upper section assembly closer to the natural holding area, and the problem that the cover opening operation of the dust cabin door of an existing rod type dust collector is inconvenient can be solved.
Owner:ZHUIMIFENGXING TECHNOLOGY (SUZHOU) CO LTD

Main nozzle structure of sectional type flange

The utility model discloses a main nozzle structure of a sectional type flange, which comprises a main nozzle structure and a heater arranged on the side portion of the main nozzle structure, and the main nozzle structure comprises a lower section main nozzle and an upper section main nozzle detachably connected with the lower section main nozzle. And a runner is arranged between the upper-section main nozzle and the lower-section main nozzle. The utility model has the beneficial effects that the main nozzle structure is divided into two sections, the lower section main nozzle can be used as a standard part, the diameter of the maximum excircle of the main nozzle structure is shortened by 70mm, the loss of raw materials can be greatly reduced, the cost is saved, and the standardization degree is improved; and due to customized processing, the processing difficulty is greatly reduced, the process is optimized, and the cost is reduced.
Owner:INCOE INT TRADING SHANGHAI CO LTD

Combined oil seal for adjusting screw

The combined oil seal comprises a hydraulic part and an oil seal body, the oil seal body comprises a supporting end cover and a sealing part, the supporting end cover is of a hard plate-shaped structure, a through hole is formed in the center of the supporting end cover, the sealing part is made of plastic nonmetal materials, a through hole is formed in the center of the sealing part, and the sealing part comprises an upper section and a lower section. The supporting end cover wraps the outer surface of the upper section of the sealing piece, the lower section of the supporting end cover is of a conical structure, the oil seal is arranged at the connecting position of the adjusting screw rod and the valve body in the hydraulic piece, and the adjusting screw rod and the valve body are assembled in an adjustable mode.
Owner:JIANGSU WODE HIGH TECH AGRICULTURAL EQUIPMENT CO LTD

Segmented staggered wind power lattice type tower

The invention discloses a segmented staggered wind power lattice type tower which comprises a steel tower drum, conversion nodes and a lattice type tower body, the lattice type tower body comprises a lattice type tower body upper section and a lattice type tower body lower section, the lattice type tower body upper section is located in the range above a blade tip, and the lattice type tower body lower section is located in the range below the blade tip; the lower end of the lattice type tower upper section is inserted into the lattice type tower lower section, the lattice type tower upper section and the lattice type tower lower section are connected through a conversion web member, and the lattice type tower upper section and the lattice type tower lower section are arranged in a rotating and staggered mode. The lattice type tower body is divided into the upper section and the lower section which are arranged in a staggered mode, so that the section of the tower body can be rapidly expanded below the blade tip, the bearing efficiency is improved, meanwhile, non-through tower columns provide conditions for applying prestress of different levels in a segmented mode, the section of the upper section of the tower body is small, large prestress is needed, and the section of the lower section of the tower body is large. Only small prestress is needed, the prestress is applied according to needs, and meanwhile the material consumption of the prestress cable and the tower column is saved.
Owner:CHINA INST OF BUILDING STANDARD DESIGN & RES

Lifting roller device applied to walking axle

The application discloses a lifting roller device applied to a walking shaft and used for supporting a drag chain, which comprises a plurality of roller mechanisms, the roller mechanisms are distributed at equal intervals along the upper end of the drag chain and used for supporting the bottom of the upper section of the drag chain, each roller mechanism comprises a support assembly, a rotating frame and two roller assemblies, the rotating frame is rotatably installed on the support assembly through a rotating piece, the two roller assemblies are installed on the rotating frame and are distributed at a 90-degree angle, when one roller assembly is arranged in the width direction of the drag chain and is used for supporting the bottom of the upper section of the drag chain, the other roller assembly is located on the side of the drag chain and is parallel to the upper section of the drag chain. The application effectively avoids the phenomenon that the drag chain is suspended and falls down, thereby avoiding the phenomena that the drag chain is rubbed, pulled and damaged, improving the stability and service life of the drag chain, and reducing the on-site maintenance cost.
Owner:SHANGHAI FANUC ROBOTICS

Auxiliary frame bushing

The utility model discloses an auxiliary frame bushing, and belongs to the technical field of automobile parts, the auxiliary frame bushing comprises an inner core, a rubber part and an outer sleeve, the inner core is provided with an inner hole formed along a central axis, the inner core comprises an upper section and a lower section which are coaxially connected up and down, the cross section of the upper section is of a rectangular frame structure, and a plurality of weight reduction grooves are formed in the top surface of the upper section; the cross section of the lower section is rectangular, the length of the upper section is larger than that of the lower section in the X-axis direction, the upper section and the lower section are in smooth transition, the outer sleeve is coaxially arranged on the periphery of the inner core in a sleeved mode, the inner wall face of the outer sleeve is matched with the outer surface of the inner core, and a gap exists between the inner wall face of the outer sleeve and the outer surface of the inner core. The rubber part partially wraps the outer surface of the inner core, the rubber part is partially lined on the inner wall face of the outer sleeve, and the inner core and the outer sleeve are connected through the rubber part in the X-axis direction. The hollow structure is designed to be in an asymmetric state, and a rigidity linear section is achieved.
Owner:JIANXIN ZHAO TECH CO LTD

Detachable cutter and food processor

The detachable cutter comprises a driving shaft in transmission connection with an output shaft, a cutter body and a mounting seat, the cutter body and the bottom of the mounting seat are riveted and fixed, an annular fixing groove is formed in the position, close to the top face, of the upper section of the driving shaft, and a sealing ring is arranged in the annular fixing groove. A plurality of limiting convex ribs deflecting in the circumferential direction are arranged in the middle section of the driving shaft, a mounting groove allowing the driving shaft to be inserted is formed in the bottom face of the mounting base, the mounting groove comprises a first cavity wall and a second cavity wall which are communicated, and the driving shaft is mounted in the mounting groove, and the first cavity wall is in matched transmission with the limiting convex ribs; the top of the driving shaft elastically abuts against the second section cavity wall in the radial direction through a sealing ring. The cutter body is detachably connected with the driving shaft through the mounting seat, so that the cutter body can be conveniently taken out after being used, and the cutter body can be thoroughly cleaned. The sealing ring provides a close-fitting hand feeling for the driving shaft and the mounting base, and it is ensured that the mounting base and the driving shaft are mounted in place. The mounting groove wraps the sealing ring and is not exposed, so that the risk that the sealing ring falls off is avoided.
Owner:ZHONGSHAN CITY KUAIMEITE ELECTRIC APPLIANCE CO LTD

Plant-based milk maker and blender, especially for home use

A plant-based milk maker and blender for the production of the plant-based milk includes two or three interconnected segments. In one version, the bottom segment is a base with the drive engine and the upper segment is a pitcher container with a rotatable lid. The base has a cylindrical coupling element in the upper part with incisions corresponding to incisions in a rotating blending part of the pitcher container. The pitcher container is equipped with the blending element coupled with a drive shaft operable at two different rotational speeds. In another version, the base is provided with one or more switch buttons, and a central segment contains a cylindrical chamber with a drain opening and a draining funnel on its circumference and in a cylindrical chamber there is a rotatable perforated drum and the drive shaft of drive engine of the base passes through the central segment of the drum.
Owner:DZIADON ANNA

Detachable combined type inclined front support structure and construction method

The invention provides a detachable combined type inclined front support structure and a construction method. The detachable combined type inclined front support structure comprises an upper-section inclined front support, a lower-section inclined front support and a connecting section. The lower-section inclined front support is obliquely inserted below a bottom plate of a main body structure, the upper-section inclined front support is obliquely supported between the bottom plate of the main body structure and a coping beam of an enclosure structure, and the lower end of the lower-section inclined front support is coaxially and detachably connected with the upper-section inclined front support through a connecting section to form the detachable combined inclined front support. The invention relates to the technical field of civil engineering, and can solve the problems that in the prior art, an inclined front support is inconvenient to disassemble, low in efficiency, difficult to reuse and insufficient in bearing capacity.
Owner:SHANGHAI CONSTRUCTION GROUP CO LTD

Adjustable air spring shock absorber

The adjustable air spring shock absorber comprises an upper cover plate and a lower cover plate, a rubber spring is connected between the upper cover plate and the lower cover plate in a sealed mode, the upper end and the lower end of the outer surface of the rubber spring are each sleeved with a waist ring, and therefore the rubber spring forms an upper segment, a middle segment and a lower segment; a first sealing cover and a second sealing cover are fixedly installed on the inner ring wall of the middle section of the rubber spring and are both installed on the outer surface of the tension adjusting mechanism in a sliding mode, a first air nozzle, a second air nozzle and a third air nozzle are installed on the upper surface of the upper cover plate in a communicating mode, and the first air nozzle, the second air nozzle and the third air nozzle communicate with each other. And the lower surfaces of the second air nozzle and the third air nozzle are communicated with two-way mechanisms. Through the design of the two-way mechanism and the tensioning force adjusting mechanism, the air pressure of each section can be accurately adjusted to adapt to different load scenes, the initial tensioning degree of the rubber spring can be independently changed through air injection and deflation, and a double-adjustable mechanism is formed.
Owner:ZHEJIANG FULESI AUTOMOBILE TECH CO LTD

Metal structure high-altitude assembling mechanism and method

The application relates to a metal structure high-altitude assembling mechanism and method, and relates to the technical field of building construction, which comprises an assembling lug plate, the assembling lug plate comprises upper assembling lug plates and lower assembling lug plates installed at two ends of a metal structure, the upper assembling lug plates and the lower assembling lug plates are both provided with two bolt holes for bolt fixing and are symmetrically distributed at two sides of the metal structure, the upper assembling lug plates and the lower assembling lug plates are both provided with bolt holes for bolt fixing; the assembling mechanism further comprises an assembling connecting plate used for connecting the upper assembling lug plate on a lower section metal structure and the lower assembling lug plate on an upper section metal structure, the lower end of the assembling connecting plate is provided with a circular assembling fixing hole, the assembling fixing hole is connected with the bolt hole on the upper assembling lug plate through a bolt, and the middle end is provided with a long strip-shaped assembling adjusting hole. The application can be used for high-altitude assembling, rapid assembly welding and the like of metal devices such as metal frames, pipelines and large segmented equipment, the construction efficiency is improved, and the assembling quality is relatively high.
Owner:CHINA NAT CHEM ENG THIRD CONSTR

Concrete pouring funnel

The utility model discloses a concrete pouring funnel, and relates to the technical field of concrete pouring. Comprising a feed hopper; the conveying pipe is arranged below the feeding hopper and is communicated with the discharging position of the feeding hopper; the guide frame is arranged on the outer wall of the conveying pipe in a sleeving mode, the guide frame comprises an upper section and a lower section, the upper section is of an upward conical structure, the lower section is of a downward conical structure, the upper section and the lower section are fixedly connected, air holes are formed in the guide frame, one end of each air hole communicates with the side face of the upper section from the side face of the lower section, and the multiple air holes are formed. According to the utility model, the guide frame is arranged at the bottom of the material conveying pipe, so that concrete can fall into the pipeline from the middle part of the pipeline, does not obliquely fall to a middle sealing partition plate, but vertically falls to the bottom of the steel pipe when the concrete is poured, and the high-throwing and vibration-free requirements are met; and meanwhile, the plurality of air holes are formed in the guide frame, so that accumulated air in the pipeline can be smoothly discharged.
Owner:HEBEI XIONGAN GUOWEI SECURITY TECHNOLOGY CO LTD

Cast-in-place pile foundation reinforcement cage segmented connecting structure and connecting method

The invention discloses a cast-in-place pile foundation reinforcement cage subsection connecting structure and method, the structure comprises an upper section reinforcement cage and a lower section reinforcement cage, the upper section reinforcement cage comprises upper section main reinforcements and upper section stirrups, and the lower section reinforcement cage comprises lower section main reinforcements and lower section stirrups; and the upper-section main reinforcement and the lower-section main reinforcement are lapped and fixed through the steel wire rope clamp. The connecting method comprises the following steps: 1) preparing tools and materials; 2) positioning and adjusting; (3) overlapping and fixing; and 4) completing connection. Compared with the prior art, the method has the advantages that the construction difficulty and the time cost are reduced; the overall construction quality is improved; a steel bar straight thread rolling machine, a sleeve, an electric welding machine, a welding rod and other material equipment do not need to be purchased, and cost investment is saved; pollution of a large amount of harmful gas and noise generated in the welding process to the environment is avoided; and injuries of machinery (such as mechanical injury of a reinforcing steel bar straight thread rolling machine), electric shock, occupational diseases (such as pneumoconiosis of welders and electric welding radiation) and the like in the operation process of workers are avoided.
Owner:朱道富

Aluminum veneer welding device and method

The invention relates to the technical field of welding equipment, in particular to an aluminum veneer welding device and method.When a bottom plate is conveyed to an automatic welding area along a roller type conveying belt, the bottom plate sequentially abuts against the upper sections of material supporting columns and drives the upper sections of the material supporting columns to rotate till the top ends of all the material supporting columns are moved away from edge folding strips, and then welding is completed; the bottommost edge folding strip is completely moved out of the discharging bin and vertically abuts against the edge of the bottom plate, a welding gun at the set position is aligned with the combination portions of the edge folding strips and the edge of the bottom plate for welding, meanwhile, the bottom plate drives the bottommost edge folding strip to move forwards synchronously, and the welded bottom plate is conveyed to another roller type conveying belt; and the other two side edges of the bottom plate are folded and welded, so that corner splicing welding of the folded edges on the peripheral edges of the bottom plate is completed, and the more efficient, simple and convenient automatic folding and welding process of the aluminum veneer is achieved.
Owner:ANHUI TONGXUN NEW MATERIALS CO LTD

Porous implant based on TPMS bionic structure and model construction method thereof

PendingCN121512722ADental implantsGeometric CADBone levelPorous implant
The invention belongs to the technical field of oral implant restoration, and particularly relates to a porous implant based on a TPMS bionic structure and a model construction method thereof.The porous implant comprises a base body, the base body is provided with an upper entity section, a porous section and a lower entity section, the surface of the upper entity section and the surface of the lower entity section are of threaded structures, and the porous section and the upper entity section are of threaded structures. The surface of the porous section is of a porous extremely-small curved surface structure, the interior of the porous section is of a solid structure, the porous structure and the solid structure are integrally formed, and the porous section is located below the bone level. The porous implant prepared by the method disclosed by the invention can effectively relieve the'stress shielding 'effect of a traditional compact implant so as to improve the interfacial osseointegration performance and the long-term stability of implantation of the implant.
Owner:FUJIAN CTRUE MATERIALS TECH

Adjustable force transmission structure for fabricated side wall and enclosure of foundation pit

The invention relates to the technical field of deep foundation pit supporting and fabricated underground structure construction, and discloses a foundation pit fabricated side wall and enclosure adjustable force transmission structure which comprises a lower section structure composed of a bottom sealing plate and a lower section sleeve and an upper section structure composed of an upper section sleeve, a limiting lead screw and a rotating handle. By means of the adjustable mechanical design, the defects of traditional concrete backfilling are overcome, wide-range stepless adjustment is achieved through the spiral transmission mechanism, the fertilizer groove width deviation is perfectly adapted, field cutting or filling is not needed, the middle plate can be synchronously installed along with the side wall as a prefabricated part, and rapid jacking can be achieved by rotating a wrench after the middle plate is completed; the concrete pouring and curing waiting time is thoroughly saved, and the construction efficiency is greatly improved; meanwhile, the rigid mechanical force transmission path ensures high bearing capacity and reliability, the test is free of damage and deformation, the whole device is simple in structure and is operated only by a common wrench, and the construction difficulty and cost are reduced.
Owner:CHINA RAILWAY NO 8 ENG GRP CO LTD

Steel reinforced concrete column connecting structure and construction method thereof

The invention discloses a steel reinforced concrete column connecting structure and a construction method thereof, and relates to the technical field of constructional engineering, the steel reinforced concrete column connecting structure comprises an upper layer steel reinforced concrete column, a lower layer steel reinforced concrete column and a transition section steel reinforced concrete column, and the section shapes of the upper layer steel reinforced concrete column and the lower layer steel reinforced concrete column are long rectangles and squares respectively; the upper-layer steel reinforced concrete columns and the lower-layer steel reinforced concrete columns are staggered in the vertical direction; the transition section steel reinforced concrete column comprises a lower section and an upper section which are connected, the lower section is connected with the lower-layer steel reinforced concrete column, and the upper section is connected with the upper-layer steel reinforced concrete column. The upper section is of a uniform-section hexahedron structure formed by stretching a long rectangular section S2, the lower section is of a hexahedron structure formed by gradually stretching a square section S1 to the long rectangular section S2, the square section S1 and the long rectangular section S2 are parallel to each other, and the length-width ratio is continuously transited from 1: 1 to n: 1, ngt; 1, the problem of eccentric transition of the upper and lower layers of columns is solved, so that the structure can keep good connection performance in an eccentric state;
Owner:CITIC GENERAL INST OF ARCHITECTURAL DESIGN & RES

Construction method for preventing deformation of superstructure

The present application relates to a kind of full-width type superstructure prevents deformation construction method, comprising: step 1, in the stage of sectional assembly, after assembly positioning is completed, set up auxiliary support between the lower opening of longitudinal bulkhead and the lower opening of peripheral wall of which superstructure is not provided with solid rib plate;Step 2, carry out the assembly welding of section, after assembly welding is completed, remove the support of auxiliary support;Step 3, after the stress release of superstructure is completed, the construction precision measurement and correction of superstructure are carried out;Step 4, auxiliary support resets support;Step 5, the superstructure is hoisted, and auxiliary support is removed before hoisting loose hook.The present application releases stress by removing auxiliary support, avoids that assembly stress cannot be released due to the existence of auxiliary support, and further avoids that the construction precision measurement of upper segment is influenced due to the existence of auxiliary support, so that upper segment is in natural state, and the accuracy of precision measurement correction is improved.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP

A drawing die material feeding device

The present application relates to a kind of drawing die material supporting device, it includes male die, lower bottom plate, upper segment assembly, lower segment assembly and binder ring;Male die has first through-hole that passes through up and down, and the upper end of male die has drawing male die surface;Lower bottom plate has second through-hole corresponding with first through-hole, and male die is fixed above lower bottom plate;Upper segment assembly is movably arranged in first through-hole and is limited to fall off from the upper end and lower end of male die, and the upper end of upper segment assembly has material supporting profile;Lower segment assembly is movably arranged in second through-hole and is limited to fall off from the upper end and lower end of lower bottom plate, and the upper end of lower segment assembly is in contact with the lower end of upper segment assembly;Binder ring is sleeved on the outside of male die, and the upper end of binder ring has binder profile, which can affect the deformation of sheet metal during sheet metal closing process, so that the drawing die material supporting device can be applied to drawing material supporting work of different inner surface parts and outer surface parts.
Owner:VOYAH AUTOMOBILE TECH CO LTD

A dual-mode frequency converter

The utility model provides a kind of dual-mode frequency converter, including front shell and radiator, the radiator includes side wall and back wall, the lower end of the back wall is close to front shell, its upper end is inclined to the rear surface of radiator direction extension and then vertically upward extension, so that the rear surface of radiator forms the air guide groove of lower end groove depth greater than upper end groove depth, the back wall is vertically set and is extended to the rear surface of radiator direction and is equipped with the heat dissipation fin of heat dissipation groove bottom position correspondence, the lower end of the air guide groove is equipped with heat dissipation fan;The upper end groove width of the air guide groove narrows to make the wall thickness of side wall upper segment position thickening to form the heat conduction plane that is level with the rear surface of radiator with the side wall surface to the rear surface of radiator;The surface of the back wall to front shell forms the inclined installation surface corresponding to inclined position and the vertical installation surface corresponding to vertical position, and the IGBT module is mounted on the inclined installation surface.The utility model has the advantages that the heat dissipation power redundancy is large, and active or passive heat dissipation can be carried out according to installation occasion.
Owner:ZHEJIANG LUOKA ELECTRIC CO LTD

A post insulator

A kind of support insulator, including insulator body upper section and insulator body lower section, upper installation top plate is provided with upper installation slot, upper installation slot groove wall is provided with upper sliding slot along its longitudinal direction, upper installation slot groove wall is provided with upper clamping slot along its circumferential direction, upper sliding slot and upper clamping slot are communicated with each other;Insulator body upper section is rotated and clamped in upper clamping slot after passing through upper sliding slot by upper clamping block;Lower installation base is provided with lower installation slot, lower installation slot groove wall is provided with lower sliding slot along its longitudinal direction, lower installation slot groove wall is provided with lower clamping slot along its circumferential direction, lower sliding slot and lower clamping slot are communicated with each other;Insulator core rod lower section is rotated and clamped in lower clamping slot after passing through lower sliding slot by lower clamping block to be fixed on lower installation base;The bottom of insulator body upper section is coaxially provided with inserting column, the upper end of insulator body lower section is coaxially provided with inserting buffer groove, and buffering spring is connected between inserting column and inserting buffer groove.The utility model is convenient for overhaul, disassembly and replacement, installation.
Owner:国网西藏电力有限公司电力科学研究院

An artificial intelligence-based digital integrated pump station

The utility model belongs to pump station technical field, concretely relates to a digital integrated pump station based on artificial intelligence, including cylinder, the inside fixed connection of cylinder has a plurality of pump body, it further includes: subsection ladder, subsection ladder sets up in the inside of cylinder, subsection ladder includes the upper section ladder of fixed connection in the top of cylinder, the lower end of upper section ladder is connected with the lower section ladder along the vertical direction sliding, the lower end of lower section ladder is fixedly connected with a plurality of floating block, the upper section ladder is rotatably installed with cleaning roller, and cleaning roller is rolling fit with lower section ladder. The utility model can drive the lower section ladder to move up and down along with the water level to rise and fall under the action of the buoyancy through the floating block, reduces the condition that water and lower section ladder contact, improves the reliability, and can clean the stain remaining on the lower section ladder through the cleaning roller in the process that the upper section ladder moves up and down along the lower section ladder, improves the convenience of overhaul maintenance.
Owner:WUHAN XIANLONG TECH CO LTD

Offshore booster station sectional closure docking device and method

This invention relates to the field of marine engineering equipment technology, specifically disclosing a segmented docking device and method for an offshore booster station, comprising: an upper section and a lower section. The lower section has an adjustment mechanism at its top, which includes a vertical adjustment structure and a horizontal adjustment structure. The vertical adjustment structure includes a mounting plate, a hydraulic jack, and a feedback plate. The mounting plate is connected to the top of the lower section by positioning bolts, and the hydraulic jack is connected to the top of the mounting plate by positioning bolts. The feedback plate is located above the hydraulic jack and on one side of the upper section. The horizontal adjustment structure includes a vertical plate, a drive motor, and a second feedback plate. The vertical plate is located on top of the mounting plate, and the drive motor is located on the side of the vertical plate opposite to the hydraulic jack. This device can improve the segmented docking accuracy, accelerate the construction progress, effectively control welding deformation, and ensure construction safety.
Owner:NANTONG BLUE ISLAND OFFSHORE CO LTD +3

Segmented filling rapid mining method

The invention discloses a subsection filling rapid mining method, which belongs to the technical field of mine engineering, and comprises the following steps: synchronously tunneling all subsections of rock drilling mine receiving roadways; a buffer zone is reserved between the drilling and blasting ranges of the downward shallow holes and the upward medium-length holes of the upper and lower sections; the downward shallow hole of the upper segment is detonated for shallow hole presplitting blasting, and a presplitting weak face is formed; primary filling is conducted through a stope connection gateway, roof contact is avoided during primary filling, and a reserved space is formed in the upper portion of a filling body; and after the filling body is initially set, the filling body enters the upper-section rock drilling mine roadway to lay a filling pipeline, and secondary filling is carried out until the filling body is full of a bottom plate of the upper-section rock drilling mine roadway. According to the method, the problem that the pre-excavated roadway is prone to being disturbed and damaged by blasting is solved by synchronously tunneling all the segmented rock drilling mine roadways and combining with the design of reserving the buffer strip, then the mining preparation project is allowed to be propelled in parallel, the mining preparation period is shortened, and the production capacity of a stope is improved; and through a graded filling process, the problem of roof support failure caused by insufficient roof contact rate of the filling body is solved.
Owner:CHINA MINMETALS CHANGSHA MINING RES INST

Segmented folding and docking device and method for offshore booster station

The invention relates to the technical field of ocean engineering equipment, and particularly discloses an offshore booster station subsection folding butt joint device and method.The offshore booster station subsection folding butt joint device comprises an upper section and a lower section, and an adjusting mechanism is arranged at the top of the lower section and comprises a vertical adjusting structure and a horizontal adjusting structure; the vertical adjusting structure comprises a mounting plate, a hydraulic jack and a first feedback plate, the mounting plate is connected to the top of the lower section through a positioning bolt, the hydraulic jack is connected to the top of the mounting plate through a positioning bolt, and the first feedback plate is arranged above the hydraulic jack and on one side of the upper section. The horizontal adjusting structure comprises a vertical plate, a driving motor and a second feedback plate, the vertical plate is arranged on the top of the mounting plate, the driving motor is arranged on the side, opposite to the hydraulic jack, of the vertical plate, and the device can improve the segmented butt joint precision, accelerate the construction progress, effectively control welding deformation and guarantee construction safety.
Owner:NANTONG BLUE ISLAND OFFSHORE CO LTD +3

Resist dispensing system and method of use

In a method, a resist material is dispensed through a tube of a nozzle of a resist pump system on a wafer. The tube extends from a top to a bottom of the nozzle and has upper, lower, and middle segments. When not dispensing, the resist material is retracted from the lower and the middle segments, and maintained in the upper segment of the tube. When retracting, a first solvent is flown through a tip of the nozzle at the bottom of the nozzle to fill the lower segment of the tube with the first solvent and to produce a gap in the middle segment of the tube between the resist material and the first solvent. The middle segment includes resist material residues on an inner surface wall of the tube and vapor of the first solvent. The vapor of the first solvent prevents the resist material residues from drying.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Driving supporting rod, landing gear and unmanned aerial vehicle

The driving supporting rod comprises a driving assembly, a nut wheel, a supporting rod and a support, the support is provided with an upper section and a lower section, the support is provided with a limiting hole vertically penetrating through the upper section and the lower section, the limiting hole is axially connected with the supporting rod in a sliding mode, a rotating groove is formed between the upper section and the lower section, and the nut wheel is arranged in the rotating groove. And the nut wheel is rotatably connected to the supporting rod, is in transmission connection with the driving assembly, and can rotate under the action of the driving assembly to push the supporting rod to move up and down in the axial direction. The upper section and the lower section of the support form a limiting structure limited at the two ends of the nut wheel, the supporting rod is axially connected to limiting holes of the upper section and the lower section in a sliding mode, the nut wheel is rotatably connected to the supporting rod, and the nut wheel can rotate under the action of the driving assembly so as to push the supporting rod to move downwards from the lower section protrusion or move upwards from the upper section protrusion in the axial direction. And extension or contraction is realized.
Owner:GUANGXI HUMPBACK WHALE UAV TECH CO LTD

Construction method of floating body type offshore wind power generation facility

To provide a construction method of a floating type offshore wind power generation facility which enables safe construction of a large floating type offshore wind power generation facility without using a large self-elevation barge suitable for the large wind power generation facility.SOLUTION: A self-elevation barge 20 is stopped near a floating body 2 lying on a sea bottom SB, and a crane 23 is used to provide lower portion split members 4c, 4d forming a lower part of a tower 4 on a column 2a of the floating body 2 in a standing state. Upper split members 4a, 4b forming an upper part of the tower 4 are held in a standing state by a holding part 31 of a tower holding device 30 mounted on a barge body 21. The crane 23 is used to install a nacelle hub 5 on an upper part of the upper portion split members 4a, 4b. The barge body 21 is elevated to a next step work height L2 higher than an initial step work height L1 and the holding part 31 is moved by a moving mechanism 32 of the tower holding device 30 to move an integrated object of the upper portion split members 4a, 4b and the nacelle hub 5 onto the lower portion split members 4c, 4d.SELECTED DRAWING: Figure 12
Owner:TOA KENSETSU KK