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224 results about "Hollow shape" patented technology

Automatic falling and cleaning structure for fragments on front AOI backlight plate

The utility model relates to the technical field of the photovoltaic industry, in particular to an automatic falling and cleaning structure for fragments on a front AOI backlight plate, which comprises a case, and a camera is fixedly connected to the inner wall of the case; the mesh belt is used for conveying the battery pieces; the mesh belt located on the upper portion is located between the machine case and the backlight plate body, and the section of the backlight plate body is in a conical hollow shape; the collecting frame is located below the backlight plate body and used for collecting fragments flowing down from the interior of the backlight plate body. The section of the backlight plate body is in the conical hollow shape, fragments falling into the backlight plate body downwards slide into the collecting frame under the action of gravity, the fragments falling at the upper end of the backlight plate body can automatically flow out, the use and maintenance cost is low, and the situation that in the prior art, generated fragments are left on the backlight plate and are not cleaned in time, and the service life of the backlight plate is prolonged is avoided. Therefore, the shooting area of the camera is shielded, AOI misrecognition is caused, and batch degradation is caused.
Owner:ANHUI SHIJING GUANGNENG TECH CO LTD

Grinding device for precision ceramic material processing

The invention discloses a grinding device for precise ceramic material processing, and relates to the technical field of ceramic material processing, and the grinding device is technically characterized by comprising a grinding box and a feed port formed in the center of the top of the grinding box, the bottom of the grinding box is hollow, and a cooling mechanism is arranged on the grinding box; the cooling mechanism comprises a cooling liquid containing box fixedly installed on one side of the grinding box, and a liquid drainage main pipe communicating with an inner cavity of the cooling liquid containing box is fixedly installed in the center of the bottom of the cooling liquid containing box. The problem of friction heat generation of a traditional device is solved; meanwhile, the cooling liquid cooling part is used for cooling the cooling liquid after absorbing heat, so that cooling resources are recycled, the cost is saved, and efficient and stable operation of the grinding process is guaranteed; in addition, the grinding efficiency and effect are improved through the multi-stage smashing and grinding design, equipment abrasion is reduced through cooperation with a cooling mechanism, and the service life of equipment is prolonged.
Owner:HANZHONG WEST GLASS TECH CO LTD

Vehicle-mounted structure of battery pack

The invention provides a vehicle-mounted structure of a battery pack, which can reduce the number of components, save space and mount a plurality of battery packs with high versatility on a vehicle. A center frame (120) extending in the vehicle width direction is provided between battery packs (10) disposed adjacent to each other in the front-rear direction of the vehicle, and side frames (110L, 110R) extending in the front-rear direction are provided on at least one side in the vehicle width direction. The central frame (120) has a hollow shape, and a bus bar unit (140) electrically connecting the battery pack (10) is housed inside the central frame (120). The battery pack (10) is fixed to the center frame (120) and the side frames (110L, 110R), and the center frame (120) and the side frames (110L, 110R) are fixed to the vehicle.
Owner:HONDA MOTOR CO LTD

Preparation method of inductor with high and excellent conductivity

The invention relates to the technical field of inductor manufacturing methods, in particular to a preparation method of an inductor with high and excellent conductivity, which comprises the following steps: S1, winding a coil, namely winding a wire coated with an insulating layer into a hollow shape, and arranging lead parts at two ends of the coil; s2, stripping an insulating layer: stripping the insulating layer of the lead part; and S3, carrying out mold pressing on the magnetic core, carrying out mold pressing on a mixture of a magnetic material around the coil, and exposing a lead end for connecting an external terminal. A wire coated with an insulating layer is wound into a hollow shape, the two ends of a coil are extended to be lead ends, then the insulating layer of the lead part is stripped, a paint film at the lead position of the coil is pre-stripped in advance, and then hot press molding is performed, so that the surface flatness of the lead and an electrode is high, the alternating current impedance is small, and an electroplated layer on the surface of the lead and the electrode is continuous; and the design is not limited to the thickness of the paint film, so that the paint film can be designed to be very thick, and the short circuit defect can reach 0 ppm.
Owner:COILTEC TECH (SUZHOU) CO LTD

Hub motor wiring structure of electric camping car

The utility model discloses a wheel hub motor wiring structure of an electric camping car, which comprises a wheel fork, a wheel hub motor is rotatably connected in the bottom end of the wheel fork, a rotating shaft is arranged in the middle of the top of the wheel fork, the interior of the rotating shaft is hollow, an electric wire penetrates through the middle of the rotating shaft to be connected with the wheel hub motor, the rotating shaft is provided with a first bearing, and the first bearing is connected with the wheel hub motor. The first bearing is used for being connected with a folding bicycle body, the wheel fork can rotate relative to the folding bicycle body through the first bearing, by the adoption of the method, the rotating shaft is arranged to be in the hollow shape, electric wires can be wired from the interior of the rotating shaft, the attractiveness of the bicycle body is improved, meanwhile, the electric wires can be prevented from being collided, and due to the fact that the electric wires are wired from the interior of the rotating shaft, the electric wires are prevented from being collided. And through the arrangement of the third bearing, the folding bicycle body is supported, the stability is improved, meanwhile, the rotation of the wheel fork is not influenced, the structure is reasonable, the service life of the bearing is prolonged, and the stability of the folding bicycle body is improved.
Owner:SHENZHEN YUNRUI IOT TECHNOLOGY CO LTD

Sheet metal part welding device

The utility model belongs to the technical field of sheet metal part production and machining, and particularly relates to a sheet metal part welding device which comprises a workbench and a welding robot which are vertically arranged at intervals, a driving mechanism and a sliding groove are arranged in the workbench at intervals, and a bracket bearing rod is installed in the sliding groove in a sliding mode. A hollow material carrying frame is connected to the exterior of the workbench through a driving mechanism and a bracket bearing rod, a triangular toothed plate is fixed to the top of the material carrying frame, a slag receiving water tank with an opening facing the material carrying frame is formed in the bottom of the workbench, and the length of the slag receiving water tank is larger than that of the material carrying frame. Rollers and flange supporting plates parallel to the material carrying frame are vertically and sequentially arranged in the sliding grooves, the two ends of each roller are rotationally installed at the tops of the adjacent flange supporting plates correspondingly, and concave bearing seats are fixed to the sides, located in the sliding grooves, of the bracket bearing rods. The welding slag collecting device can collect welding slag in the whole process, the welding slag adhering to the interior of the welding device can be reduced, follow-up cleaning is avoided, and the welding ending workload is reduced.
Owner:HUBEI BOYIYUE TECHNOLOGY DEVELOPMENT CO LTD

Light-proof centrifugal tube sleeve and light-proof centrifugal tube rack

The utility model discloses a light-proof centrifugal tube sleeve which comprises a centrifugal tube sleeve body, the centrifugal tube sleeve body is arranged in a hollow shape with an opening in the top, is used for accommodating and placing a centrifugal tube, and is made of a light-proof plastic material. A light-proof centrifugal tube rack comprises a centrifugal tube sleeve body and a centrifugal tube rack body used for placing the centrifugal tube sleeve body, a plurality of rows of centrifugal tube sleeve placing grooves with top openings are formed in the centrifugal tube rack body in the length direction of the centrifugal tube rack body, and the centrifugal tube sleeve placing grooves are matched with the centrifugal tube sleeve body in structure. The lower portions of every two adjacent centrifugal tube containing grooves in each row are connected through a connecting hole communicated with the interiors of the centrifugal tube containing grooves, and the lower portion of at least one centrifugal tube containing groove is provided with a vent hole extending out of the centrifugal tube rack body. According to the test tube, the condition of a coupling antibody can be observed in real time while reagents in the test tube are kept out of light, so that high efficiency of the test is promoted, and the test cost is reduced.
Owner:SUZHOU 4A BIOTECH CO LTD

Shock absorption structure for vehicle

In a vehicle impact absorbing structure, an impact absorbing member (22) is disposed in a side sill formed in a hollow shape in a vehicle front-and-rear direction, as a configuration that absorbs energy during a collision on the side of a vehicle. The impact absorbing member (22) is formed and disposed in a corrugated shape in the vehicle front-and-rear direction. The corrugated-plate shape is provided, between ridge lines (24a) and (24b) and between ridge lines (24c) and (24d), the ridge lines (24a), (24b), (24c), and (24d) being arranged in the vehicle front-and-rear direction, with a reinforcing shape (a first bead (36)) that prevents or suppresses falling deformation of the ridge lines (24a), (24b), (24c), and (24d) in the vehicle front-and-rear direction.
Owner:TOYODA IRON WORKS CO LTD

Quick quilting cloth sticking mold

The utility model relates to a quick quilting cloth sticking mold. According to the structure, a bottom plate, a clamping plate and a buckle plate are rotationally connected, a plurality of buckle plate cloth-sticking quilting grooves are formed in the buckle plate and are hollow, the buckle plate cloth-sticking quilting grooves are equidistantly arranged, and buckle plate cloth-sticking contour reference lines and buckle plate trouser piece contour reference lines are arranged on the peripheries and the two ends of the buckle plate cloth-sticking quilting grooves respectively; the clamping plate is provided with a hollow clamping plate patch clamping groove, and the clamping plate is further provided with a clamping plate patch contour reference filler strip; the bottom plate is provided with a plurality of hollow bottom plate patch quilting slots, the bottom plate patch quilting slots are equidistantly arranged, and bottom plate patch contour reference lines and bottom plate trouser piece contour reference lines are respectively arranged at the peripheries and the two ends of the bottom plate patch quilting slots. According to the utility model, pollution caused in the line drawing process of a sewed object is overcome. According to the utility model, manpower is saved. The production process is simplified, and the production efficiency is improved.
Owner:NANJING JIHUA NO 3503 GARMENT

An artistic ceramic ornament with a hollowed-out shape

ActiveCN224545600UImprove visual effectsImprove artistic expressionScrew threadHollow shape
The utility model relates to the technical field of ceramic products, concretely relates to an artistic ceramic ornament with hollow shape. The artistic ceramic ornament with hollow shape of the present application, including ceramic base, the ceramic base is rotatoryly installed with ornament body, the ornament body includes the rotation subassembly installed on the ceramic base, the rotation subassembly is installed with light assembly, the light assembly periphery is equipped with the decorative body, the decorative body with the rotation subassembly passes through the detachable connection of joint or screw thread connection mode, thereby the maintenance and cleaning are convenient, when the rotation subassembly drives the ornament body rotates, the light of light assembly emits in proper order and passes through the hollow part of decorative body and the first hollow hole equipped with on the ceramic base, thereby projects the light and shadow pattern that changes ceaselessly, dynamic on the desktop, greatly enhances artistic appreciation and visual impact.
Owner:FUJIAN DEHUA COUNTY HUAYUE CERAMICS CO LTD

Petal-shaped elastic polishing wheel structure

The invention discloses a petal-shaped elastic polishing wheel structure, and relates to the technical field of elastic polishing wheels, the petal-shaped elastic polishing wheel structure comprises a polishing wheel main body which is arranged in a clamping device in a limiting manner and is used for polishing a workpiece; the ejector pin is elastically inserted into the polishing wheel main body to sense the abrasion condition; the deformation plates are coaxially and symmetrically arranged on the inner wall of the polishing wheel body and used for elastically expanding the polishing wheel body; the adjusting rod is movably inserted into the deformation plate to drive the deformation plate to elastically deform; the moving columns are symmetrically arranged on the surface of the special-shaped clamping block and elastically move along with the displacement of the special-shaped clamping block. The characteristics that the elastic petal polishing head is in an independent hollow shape and can elastically deform during machining, and elastic materials can be gradually abraded, reduced and irreversible are ingeniously utilized, the backward retraction distance of the ejector pin during machining is combined with a one-way limiting structure, gaps generated by loss of the polishing head can be automatically made up in real time, and the machining precision is improved. And the preset fitting pressure between the working surface and the workpiece is kept all the time.
Owner:SHENZHEN CHUAN LIN TECH CO LTD

Device for measuring dry slag rate of liquid reduced lead

ActiveCN224136953USolve the problem of dry slag rate measurement processSolve measurement problemsWithdrawing sample devicesColor/spectral properties measurementsIngot castingSlag
The utility model discloses a device for measuring the dry slag rate of liquid reduced lead. The device comprises a sampling mechanism for sampling reduced lead liquid from a liquid lead bag, and an ingot casting mold for preparing the reduced lead liquid taken by the sampling mechanism into a lead ingot for measuring the oxygen content and the sulfur content so as to calculate the dry slag rate of the reduced lead, the sampling mechanism comprises a sampling rod, a sealing plug matched with the sampling rod for sampling, and a handle connected to the outer wall of the sampling rod; the top end of an inner hole of the sampling rod is in a circular truncated cone shape facilitating installation of the sealing plug. The lower part of the sealing plug is in a big-end-up circular truncated cone shape matched with the top end of the inner hole of the sampling rod; the ingot casting mold is in a hollow cylinder shape with a bottom, and the interior of the ingot casting mold is in a big-end-up circular truncated cone shape so that a circular truncated cone-shaped lead ingot can be cast. The dry slag rate measuring device is simple in structure, rapid in dry slag rate measurement and high in accuracy, solves the problems that a conventional wet lead dry slag rate measurement period is long, measured data are easy to interfere, and measured values have deviation, and can better guide adjustment in the production process.
Owner:HUBEI CHUKAI METALLURGY

Label pickup module, label pickup device, and label pickup method using the same

According to some example embodiments, a label pickup module may include a pad part including cells and suction holes penetrating through each cell from one surface of each of the cells contacting labels to the other surface; an adsorption flow path part on an upper portion of the pad part and an air movement passage formed therein, communicating with the suction holes; a rod parts having one side fixed to each of the cells and independently movable up and down; a body part on the other side of the rod parts, including rooms having a hollow shape configured to move while accommodating each of the rod parts, and having air holes configured to move air through each of the rooms; and an air blocking unit configured to open and close the air holes.
Owner:SAMSUNG ELECTRONICS CO LTD

Shock absorbing structure for vehicle

PendingUS20260249918A1Side impactImpact
In a vehicle impact absorbing structure, an impact absorbing member (22) is disposed, as a configuration that absorbs energy during a collision on the side of a vehicle, in a side sill formed in a hollow shape in a vehicle front-and-rear direction.The impact absorbing member (22) is formed and disposed in a corrugated-plate shape in the vehicle front-and-rear direction. The corrugated-plate shape is formed in such a manner that a lineal length L1 of an edge portion (26) in a predetermined area in the vehicle front-and-rear direction and a lineal length L2 of a portion (28) other than the edge portion (26) are different, and is formed in such a manner that a direction of a ridge line (24) in the edge portion (26) of the corrugated-plate shape is a direction that is deviated from and is inclined with respect to a vehicle width direction.
Owner:TOYODA IRON WORKS CO LTD

Clamp device for punching metal plate

The utility model relates to the technical field of sectional material processing, in particular to a clamp device for punching a metal plate, which comprises a loading block, a through rectangular groove is arranged at the lower end of the loading block, a plate can be placed between the grooves, an anti-slip mat is mounted at the bottom of each groove, the through rectangular groove is arranged in the loading block and is hollow, and the plate can be placed in the through rectangular groove. A hollow groove is formed in the loading block, a sliding extrusion assembly is mounted in the hollow groove of the loading block and comprises an upper ladder block and a lower ladder block, a power assembly for pushing the sliding extrusion assembly to move is further mounted in the loading block, the power assembly comprises a supporting shaft and an extrusion rod, and a supporting frame is mounted at the upper end of the loading block; according to the clamp device for metal plate punching, the problem that plates with different material properties are damaged when clamped by a clamp is solved, and more labor is saved when a worker operates the clamp to clamp through the lever principle.
Owner:KUNSHAN JINDAYOU PRECISION MOULD CO LTD

Steel pipe cone reversing tool

The steel pipe cone reversing tool comprises a cone cutting device, a cutter transmission mechanism, a knurled nut, a driving connector and a clamping chuck. The conical cutting device comprises a conical cutting mechanism and a cutting tool, the conical cutting mechanism is in a front-back through hollow shape, and a front threaded end and a rear threaded end are arranged at the front end and the rear end of the conical cutting mechanism correspondingly. The clamping chuck is arranged at the front thread end of the conical cutting mechanism in a sleeving mode, the cutting tool is fixed to the front end of the tool transmission mechanism, the rear end of the tool transmission mechanism is connected with the front end of the driving connector, and the knurled nut is provided with internal threads and arranged at the rear thread end of the conical cutting mechanism in a sleeving mode. The inner thread of the knurled nut is connected with the rear thread end of the conical cutting mechanism; an oil filling port is further formed in the middle of the conical cutting mechanism, and the oil filling port penetrates to the hollow position of the middle of the conical cutting mechanism from outside to inside on the conical cutting mechanism. The device is convenient to carry, small in size, convenient and fast to operate, high in machining precision and capable of being used for conical machining of the end of the steel pipe conveniently and quickly.
Owner:SUZHOU LITEHAI PRESSURIZATION TECH CO LTD

Unmanned aerial vehicle nest windproof stabilizing support suitable for iron tower

The invention relates to the field of unmanned aerial vehicle nest mounting brackets suitable for iron towers, and discloses an unmanned aerial vehicle nest windproof stabilizing bracket suitable for iron towers, which comprises a nest top plate and a bottom frame plate which are distributed up and down in parallel at intervals, and the bottom frame plate is used for being connected to the iron tower; the elastic buffering windproof structure is arranged between the machine nest top plate and the bottom frame plate; the bottom frame plate is in a hollow shape, two sets of parallel and spaced bidirectional threaded lead screws are rotationally installed in the bottom frame plate, each set of bidirectional threaded lead screw is sleeved with two sets of displacement blocks in a threaded mode, and the two sets of displacement blocks can transversely move in the opposite direction along transverse shafts of the bidirectional threaded lead screws; the hoop structures are arranged at the bottom ends of the displacement blocks; the unmanned aerial vehicle nest windproof stabilizing support suitable for the iron tower is provided.
Owner:SUIZHOU POWER SUPPLY COMPANY STATE GRID HUBEI ELECTRIC POWER

Machining process for high-precision high-strength durable bevel gear

PendingCN121491342AGear grindingHobbing
The invention discloses a high-precision high-strength durable bevel gear machining process which comprises the following steps: S1, putting raw materials for manufacturing a blank into a 260T forming press, performing compression molding by using the forming press to obtain a blank piece, and taking out the blank piece for later use; s2, the raw materials for manufacturing the copper infiltration block are subjected to compression molding through a molding press; s3, high-temperature sintering is conducted on the blank piece and the copper infiltrated block, and a copper infiltrated blank is sintered in a nitrogen-based atmosphere; s4, the copper infiltrated blank obtained in the S3 is soaked in anti-rust oil, and the outer diameter, the inner diameter and the height size are subjected to subsequent finish turning; and S5, the workpiece obtained in the S4 is machined, rough gear hobbing, deburring and gear grinding are conducted in sequence, and a final finished product is obtained. The novel powder metallurgy process is adopted, the efficiency is improved by 40%, the material utilization rate is 95%, the energy consumption is reduced by 50%, the density of the obtained product can reach 7.5 g / cm < 3 >, the precision is 0.004 mm, the product can bear large loads without cracking, the hardness can reach HRC15-30 without heat treatment, the precision is high, the noise is low, the strength is high, and durability is achieved, and meanwhile the running noise can be reduced through the middle clearance shape.
Owner:南通鸿明新材料有限公司

Laser cutting device for metal material machining

The invention relates to the technical field of laser cutting devices, in particular to a laser cutting device for metal material machining, which comprises a workbench, two groups of turn-over clamps arranged on the workbench in a right opposite manner, and two laser cutting frames arranged in a front-back symmetrical manner, the electric moving frame is used for driving the two laser cutting frames to ascend, descend, transversely move and get close to each other or get away from each other, the laser cutting heads are arranged at equal intervals, the width adjusting mechanisms are used for adjusting the distance between the adjacent laser cutting heads, and the width adjusting mechanisms are installed on the laser cutting frames. The laser cutting frame is installed on the workbench through an electric moving frame. A plurality of hollow shapes can be formed at a time, the energy consumption is lower, the punching efficiency is higher, the production cycle of the lamp pole is shortened, the lamp pole can be turned over automatically, more time and labor are saved in the turning-over process, the risk that workers are injured by a drill bit is avoided, and use is more convenient.
Owner:JIANGXI XIANGHENG PRECISION MASCH CO LTD

Implement

An implement includes a machine body and a work device attached to the machine body. The work device includes a swing member swingable about a shaft as a fulcrum. The swing member includes a main body and a coupling body coupled to an end portion of the main body and to which the shaft is attached. The coupling body has a hollow shape, and has an opening that opens an inside of the coupling body in the end surface on the main body side. The swing member further includes a lid body that closes the opening.
Owner:KUBOTA CORP

Logistics tray with protection function

The utility model relates to the technical field of logistics trays, in particular to a logistics tray with a protection function, which comprises a tray seat, a protection frame is fixedly arranged on the upper surface of the tray seat along the periphery of the edge, the peripheral side walls of the protection frame are hollow, a plurality of protection rods are arranged in the peripheral side walls of the protection frame, and the protection rods are connected with the tray seat. And the protective rod is in sliding fit with the protective frame. The protection frame with the hollowed-out periphery is arranged on the tray base, the multiple protection rods are arranged on the periphery of the protection frame, the effect of protecting cargoes on the tray is achieved, the cargoes are prevented from being stacked too high and collapsing, the cargoes are prevented from being damaged or workers are prevented from being hurt, and the working efficiency is improved. And meanwhile, expansion and contraction of the protection rods are achieved through the shear fork assemblies and the buckles, the state that the periphery of the protection frame can be freely opened and closed is achieved, and therefore workers can take goods at the bottom more conveniently.
Owner:GUANGZHOU JIACHENG LOGISTICS

Hollow oil cylinder for leveler

The utility model relates to the field of oil cylinders, in particular to a hollow oil cylinder for a leveler, which comprises a cylinder body assembly, a cylinder head and a cylinder tail are respectively arranged on two sides of the cylinder body assembly, a piston component is slidably arranged in the cylinder body assembly, a sleeve is arranged in the middle between the cylinder tail and the piston component, and a threaded sleeve is arranged in the middle of the other side in the piston component. And the middle parts of the screw sleeve and the sleeve are hollow. According to the utility model, through the arrangement of the Glyd ring, the dustproof ring, the first rod seal and the first O-shaped ring, the sealing performance after the cylinder body assembly, the cylinder head, the cylinder tail and the piston rod assembly are assembled is ensured, the oil leakage phenomenon is prevented, the piston is supported through the two second guide rings, the radial force is borne, the piston and the cylinder body assembly are prevented from being in direct metal contact and abraded, and the service life of the piston is prolonged. In addition, the piston rod is supported through the first guide ring, the radial load is borne, and the rod and a cylinder head hole are kept concentric.
Owner:JIANGSU LEILIMAN MASCH TECH CO LTD

Two-body flexible tether-connected oscillating water column

An oscillating water column (OWC) includes a top body and a bottom body. The top body includes a hollow shape, an open top end, an open bottom end, a chamber traversing between the open top and bottom ends, a power take-off system proximate to the open top end, and an air channel proximate to the open top end and the power take-off system. The bottom body includes a bottom heave plate and a plurality of flexible tethers coupling the top body and the bottom body.
Owner:E-WAVE TECH LLC

Metal composite sintered body

The present invention provides a metal composite sintered body that can ensure sufficient bonding strength and can be manufactured in complex shapes, including hollow shapes and shapes with extremely small gaps. [Solution] A metal composite sintered body is formed by injection molding a mixture of metal powder and a binder, and then joining a first member and a second member, each made of a sintered body formed by injection molding, wherein the tensile strength of the joint surface between the first member and the second member is 80% or more of the tensile strength of the first member or the second member.
Owner:NIPPON PISTONRING CO LTD

Battery pack mounting structure

To provide a battery pack mounting structure that enables multiple highly versatile battery packs to be mounted on a vehicle while reducing the number of components and saving space.SOLUTION: A central frame 120 extending in the vehicle width direction is provided between battery packs 10 arranged adjacent to each other in the front-rear direction of a vehicle, and side frames 110L, 110R extending in the front-rear direction are provided on at least one side in the vehicle width direction. A central frame 120 has a hollow shape, and a bus bar unit 140 that electrically connects the battery packs 10 is housed inside the central frame 120. The battery pack 10 is fixed to the central frame 120 and the side frames 110L, 110R, and the central frame 120 and the side frames 110L, 110R are fixed to the vehicle.SELECTED DRAWING: Figure 5
Owner:HONDA MOTOR CO LTD

Tendon-sheath driving apparatus

Disclosed is a tendon-sheath driving apparatus. A tendon-sheath driving apparatus according to an embodiment of the disclosure includes: a sheath having a predetermined length, being flexible and having a hollow shape; a tendon placed inside a hollow of the sheath; a rod coupled to an outer surface of a first side of the tendon, and having higher rigidity than the sheath; and a pipe coupled to an outer surface of a first side of the sheath, and having higher rigidity than the sheath, wherein the tendon is moved through the sheath and the pipe as the rod is moved being guided by the pipe while a portion of the rod is placed inside the pipe.
Owner:ENDO ROBOTICS CO LTD

A steel-concrete composite hollow T-beam bridge structure and its manufacturing method

The present invention proposes a steel-concrete composite hollow T-beam bridge structure and a manufacturing method thereof, comprising a prefabricated steel-concrete composite T-beam unit, wherein the prefabricated steel-concrete composite T-beam unit is provided with multiple pieces, the middle section of the bottom of the prefabricated steel-concrete composite T-beam unit is an arched structure, and a steel tie rod is provided at the arched structure to form a hollow shape. The beam ends of adjacent prefabricated steel-concrete composite T-beam units are connected by cast-in-place wet joints, the ends of adjacent prefabricated steel-concrete composite T-beam units are connected by a diaphragm, the middle sections are connected by a mid-span diaphragm, and the prefabricated steel-concrete composite T-beam unit is provided with a cast-in-place concrete bridge deck. T-shaped steel is embedded in the bottom of the concrete beam, and a composite joint tenon is formed by cutting the steel teeth of the cross section and reinforcing steel bars, which has high fatigue resistance. Compared with traditional large prestressed concrete structures, it can achieve a slender structure type, reduce the height of the concrete part of the beam in the mid-span, save concrete, reduce the hoisting weight, and increase the bearing capacity of the mid-span section by adding steel tie rods.
Owner:ANHUI TRANSPORT CONSULTING & DESIGN INST +1

A bubble-driven micro-nanomotor and a preparation method and application thereof

This invention provides a bubble-driven micro / nano motor, its fabrication method, and its applications, belonging to the technical field of micro / nano motors. The micro / nano motor comprises a host material and noble metal nanoparticles, wherein the host material constitutes the host of the micro / nano motor; the host of the micro / nano motor has a hollow shape with a single opening and inner and outer surfaces; wherein one of the inner or outer surfaces of the host is modified with the noble metal nanoparticles. Because the micro / nano motor host is hollow with inner and outer surfaces, and one of its surfaces is directionally modified with catalytically functional noble metal nanoparticles, the noble metal nanoparticles can react with substrates in the environment to generate bubbles, thereby achieving controllable movement of the micro / nano motor. This micro / nano motor has a highly flexible structural design, a simple fabrication method, strong operability, and is easy to adjust, showing broad application prospects in environmental remediation and biomedicine.
Owner:HUAZHONG UNIV OF SCI & TECH