78 results about "Middle segment" patented technology

The invention relates to a medical implant for treating a local lesion (100) in a vessel, in particular for aneurysm treatment, with a tubular support body (10) that is compressible and expandable, wherein the support body (10) in a resting state has a proximal section (11) and a distal section (12) which are connected to each other by a central segment (13), wherein the length of the central segment (13) is variable in the axial direction, wherein a cover (14) spans the central segment (13) and the length of the central segment (13) is variable upon release from a delivery device (50) such that the lesion (100) can be at least partially covered by the cover (14).

An article of footwear includes an upper coupled with a sole structure that defines a forefoot region, a midfoot region, and a heel region. The sole structure includes an upper midsole cushioning member, a lower midsole cushioning member, an outsole coupled to a bottom surface of the lower midsole cushioning member, and a plate positioned between the upper midsole cushioning member and the lower midsole cushioning member. The plate includes a toe segment that extends through the forefoot region, the toe segment defining a first concave curved portion that extends downward from a distal end to a first inflection point disposed within the midfoot region. The plate further includes a middle segment defining a second concave curved portion that extends upward from the first inflection point and toward the heel region before transitioning to a convex curved portion at a second inflection point in the midfoot or heel region.

The invention discloses a tiltable top drive guide rail, and relates to the technical field of drilling equipment, the tiltable top drive guide rail comprises an upper section guide rail, a middle section guide rail and a lower section guide rail which are arranged in sequence, an upper fixing device is fixed on the upper section guide rail, and the upper fixing device is fixedly connected with a derrick cross beam; the lower end of the upper section guide rail is rotationally connected with the upper end of the middle section guide rail through a guide rail pin shaft, the lower end of the middle section guide rail is connected with a lower fixing device through an inclined oil cylinder, and the lower fixing device is fixedly connected to the lower section guide rail and fixedly connected with a derrick cross beam. A reverse twisting device is further connected between the lower end of the middle section guide rail and the lower fixing device and is used for bearing the upper buckling torque of a top drive; the inclined oil cylinder can drive the middle-section guide rail to be in a vertical state or an inclined state, and when the middle-section guide rail is in the inclined state, the inclination angle of the middle-section guide rail is kept consistent with that of a drill rod in a mouse hole. The drilling operation time can be shortened, the drilling efficiency is improved, and the labor intensity of workers is relieved.

The invention discloses a ship wake flow infrared and wake characteristic test model, and belongs to the technical field of ship wake flow tests, the ship wake flow infrared and wake characteristic test model comprises a head section model block, a middle section model block and a tail section model block, a simulation module is installed in the middle section model block, the middle section model block is formed by sequentially connecting and splicing a plurality of shells, a truss is installed in each shell, and the tail section model block is connected with the truss. The adjacent trusses are movably connected through first connecting pieces, the adjacent shells are movably connected through second connecting pieces, mounting grooves are formed in the inner walls of the shells, mounting protrusions are arranged on the outer walls of the trusses, the mounting protrusions are matched with the mounting grooves, the mounting protrusions are of spiral structures wound on the outer walls of the trusses, and the mounting grooves are spiral grooves. And the mounting bulge is spirally mounted in the mounting groove. According to the invention, the whole middle-section model block is arranged to be mounted and dismounted in a segmented manner, so that when the simulation module distributed in the middle-section model block locally breaks down, a specified area can be conveniently overhauled and maintained.

The invention relates to the technical field of building construction, in particular to an adjacent underground structure foundation pit construction method which comprises the following steps that S1, a tunnel is pre-reinforced; s2, a pipe shed is built within the 180-degree range of the tunnel top arch; s3, according to the distance between the foundation pit and the tunnel, the foundation pit is partitioned from far to near in the transverse direction, the area, far away from the tunnel, of the foundation pit is constructed firstly, and then the area, close to the tunnel, of the foundation pit is constructed; and when the area, close to the tunnel, of the foundation pit is constructed, the area, close to the tunnel, of the foundation pit is segmented in the longitudinal direction, and the construction sequence is that the middle segment is firstly constructed in the longitudinal direction, and then the segments on the two sides are sequentially constructed. According to the foundation pit construction method, a comprehensive protection system is formed through tunnel pre-reinforcement, pipe shed building and partitioned and segmented construction, and the construction safety is greatly improved.

The application discloses a modular segmented injection molding machine, which comprises a cylinder and a screw, the cylinder is divided into a first section, a body section and a tail section, the screw is divided into a top section, a middle section and a tail section, the inside of the cylinder is an extrusion cavity, the top section, the middle section and the tail section of the screw are respectively rotatably installed in the first section, the body section and the tail section of the cylinder, the two ends of the middle section of the screw are respectively provided with a plug-in connector and a plug-in slot, the tail end of the first section of the screw is provided with a plug-in slot, and the tail section of the screw is provided with a plug-in connector, the cylinder and the screw are respectively divided into the first section, the body section, the tail section, the top section, the middle section and the tail section, each section structure can be independently designed according to specific functions, the splicing structures among the sections are same, and the production equipment required by specific products can be realized only by butt-jointing and splicing the sections with different required functions, so that the required equipment cost is greatly reduced.

The invention discloses a method and a device for moving a middle line segment of routing in a circuit layout, a medium and equipment. The method comprises the following steps: acquiring a target line segment in the middle of a target line adopting broken line wiring in a circuit layout and a guide point outside the target line segment; determining a moving direction and a moving distance on a normal of the target line segment according to the position of the guide point; translating the target line segment for a moving distance in the moving direction to obtain a mirror line segment; searching a first intersection point of a straight line where the mirror image line segment is located and a straight line where a front line segment of the target line segment is located, and a second intersection point of a straight line where a rear line segment of the target line segment is located; the first intersection point and the second intersection point are used for replacing the first end point, connected with the front line segment, of the target line segment and the second end point, connected with the rear line segment, of the target line segment respectively, and line connection adjustment is conducted on the target line. According to the invention, other line segments can be kept relatively unchanged when the middle line segment of the routing is moved.

The utility model relates to the technical field of television accessories, in particular to a television iron frame which comprises a frame body, and the frame body comprises a rectangular frame body. The rectangular frame body comprises a first frame and a second frame; the second frame comprises a [-shaped unit, and the [-shaped unit comprises a first section, a middle section and a second section; one end of the first frame is connected with the first section through a mortise structure, and a first corner connector is arranged at the connecting position; the other end of the first frame is connected with the second section through a mortise structure, and a second corner connector is arranged at the connecting position. The first corner brace and the second corner brace each comprise an L-shaped plane angle plate, and a clamping foot is fixed to each L-shaped plane angle plate. A clamping hole is formed in the second frame, the clamping pin is clamped with the clamping hole, and the L-shaped plane angle plate is locked on the first frame; after the technical scheme is adopted, all that is needed is to clamp the clamping feet with the corresponding clamping holes, and then the first corner connector and the second corner connector are respectively locked with the rectangular frame body through screws, so that the first corner connector and the second corner connector are relatively convenient to mount.

The utility model relates to a conveying device for steel wire technical field especially a conveying device for steel wire, including device body, device body is provided with connecting mechanism, connecting mechanism contains the connecting assembly of setting in device body top, the inside of connecting assembly is provided with conveying assembly, the middle segment of connecting assembly is provided with cleaning assembly. The guide roller one of fixed frame one inner wall and the guide roller two of fixed frame two inside, through the special profile design, can be closely combined with the irregular shape of special-shaped steel wire, ensure that the stress of steel wire cross section each part is even in the conveying process, effectively avoid the deviation, the overturn and the jamming phenomenon, the rotary guide roller of the inner wall of side frame both sides, its surface carries out the special treatment according to the special-shaped steel wire shape, can provide enough and even friction, make the special-shaped steel wire keep stable when moving, greatly improve the conveying efficiency, reduce the equipment failure risk, guarantee the accurate butt joint of subsequent machining procedure.

An article of footwear includes an upper coupled with a sole structure that defines a forefoot region, a midfoot region, and a heel region. The sole structure includes an upper midsole cushioning member, a lower midsole cushioning member, an outsole coupled to a bottom surface of the lower midsole cushioning member, and a plate positioned between the upper midsole cushioning member and the lower midsole cushioning member. The plate includes a toe segment that extends through the forefoot region, the toe segment defining a first concave curved portion that extends downward from a distal end to a first inflection point disposed within the midfoot region. The plate further includes a middle segment defining a second concave curved portion that extends upward from the first inflection point and toward the heel region before transitioning to a convex curved portion at a second inflection point in the midfoot or heel region.

The grand piano linkage device convenient to adjust comprises a base, a staple bolt seat, a compound vibration rod, an ejector rod, a compound vibration torsion spring and an installation seat, the base comprises a base transverse rod and a base vertical rod, the middle section of the base vertical rod protrudes to form a base positioning part, the first end of the compound vibration rod is rotationally connected with the upper end of the base vertical rod through a pin shaft, and the second end of the compound vibration rod is rotationally connected with the upper end of the base vertical rod through a pin shaft. A torsion spring adjusting screw hole is formed in the position, close to the first end of the compound vibration rod, of the compound vibration rod, the torsion spring adjusting screw is installed in the torsion spring adjusting screw hole, the compound vibration rod adjusting screw penetrates through a compound vibration rod adjusting through hole in the compound vibration rod and then is connected with a corresponding screw hole in the base positioning part, and two torsion arms of the compound vibration torsion spring comprise the long torsion arm and the short torsion arm. The short torsion arm is arranged in a positioning groove in the compound vibration rod, and the suspended end of the short torsion arm makes contact with the end of the torsion spring adjusting screw. The size of the linkage device is reduced, normal work of other parts is facilitated, the swing resistance of the compound vibration rod and the resistance of pressing the keys are reduced, and the torsion of the compound vibration torsion spring can be adjusted.

The present invention relates to a heel iron capable of changing its curvature, a sole for heel-changing shoes, and a heel-changing shoe. The heel iron comprises a front section, a middle section, and a rear section of the heel iron, arranged sequentially from front to rear. The middle section of the heel iron is curved, and the two ends of the middle section are movably connected to the upper surfaces of the front and rear sections of the heel iron. A sliding member is slidably provided on the bottom surface of the middle section of the heel iron. The sliding member is an arc-shaped slider having the same curvature as the middle section of the heel iron and a length not less than that of the middle section of the heel iron. A locking mechanism is provided on the bottom surface of the sliding member. Also disclosed are a sole for heel-changing shoes and a heel-changing shoe using the heel iron. The invention can conveniently change the curvature of the heel iron according to the height of the heel, providing better wearing stability and comfort.

1. Name of the product in this design: Mid-section cover of motorcycle skid plate (YX150T-CZA). 2. Purpose of this design: As a motorcycle part. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: a top view.

This application provides a finger structure, a dexterous hand, and a robot, relating to the field of robotics. The finger structure, applied to a dexterous hand, includes a middle segment, a root segment and a fingertip segment rotatably connected to both ends of the middle segment, and the root segment is also rotatably connected to the palm. The finger structure further includes: a first buffer layer disposed between the fingertip segment and the middle segment; a second buffer layer disposed between the root segment and the middle segment; and a third buffer layer disposed between the root segment and the palm.

The utility model discloses an edge protection movable handrail in the field of steel structure buildings, which comprises stand columns arranged at intervals, a plurality of steel wire ropes horizontally connected between the stand columns, conical heads arranged at the bottoms of the stand columns, nuts fixed at the inner bottoms of the conical heads and matched with the upper ends of expansion bolts, and long hexagonal sleeves sleeved outside the middle sections of the expansion bolts. The long hexagonal sleeve is connected with the expansion bolt through a pin, the outer wall of the expansion bolt is provided with a longitudinal sliding groove matched with the inner end of the pin, and the lower end of the expansion bolt is connected with the ground. The edge protection movable handrail has the advantages of being fast to disassemble and assemble, time-saving, labor-saving, convenient to transport and store, high in repeated utilization rate and the like.

The utility model discloses a mould guide pillar positioning structure with high positioning accuracy, which relates to the technical field of mould structures and comprises a guide sleeve structure and a guide pillar structure, the guide pillar structure is arranged at one end in the guide sleeve structure, and a buffer structure is mounted at the bottom end in the guide sleeve structure. And a fixing bolt is connected to the joint of the buffer structure and the guide sleeve structure. According to the mold guide pillar positioning structure with the high positioning precision, the guide balls are installed on the inner surface of the positioning cavity and matched with the positioning grooves formed in the surface of the guide pillar body, so that when the guide sleeve structure and the guide pillar structure are in mutual butt joint, the good high-precision butt joint positioning effect is achieved; the guide sleeve structure is matched with the positioning wedge block on the surface of the middle section of the guide column body, the structure limiting effect can be achieved while structure butt joint positioning is achieved, the buffering structure plays a role in buffering between the guide sleeve structure and the guide column structure when the guide sleeve structure and the guide column structure are in butt joint, and structural damage caused by excessive butt joint is avoided.

The utility model relates to a novel artificial fine soil preparation harrow which is mainly composed of a handle, a harrow head frame, a thorn cylinder and a rib cover, the harrow head frame is in a right-angle u shape, harrow head frame shaft holes are formed in two wings of the harrow head frame, harrow head frame lock holes are formed in the rear ends of the harrow head frame, and the handle is fixed to the center of the outer side of the middle section of the harrow head frame. The thorn cylinder is formed by fixedly arranging a plurality of rake teeth with a certain length on the surface of a cylinder and is provided with a through shaft, the rib cover is formed by fixing a plurality of arc-shaped ribs on the opposite side, parallel to the thorn cylinder, of a rectangular frame and serially connecting the rib cover shaft hole, the through shaft arranged on the thorn cylinder and the rake head frame shaft hole, and the rib cover lock hole and the rake head frame lock hole are fixed through a bolt. Due to the fact that the structure is simple, the effect is prominent, the cost is low, and the market space is wide.

This invention relates to a medical suture and a method for forming a loop at its tail. The suture includes a main body segment, a middle segment, and a tail segment connected sequentially along its length. The processing method includes the following steps: S1, fixing the middle segment; S2, driving the middle segment and the tail segment to rotate together around a rotation center line, during which the main body segment is driven to coil around the rotation center line, causing the main body segment and the middle segment to intersect each other; S3, driving the tail segment to bend towards the middle segment, so that the tail segment and the middle segment partially adhere to each other and form a loop between the tail segment and the middle segment, during the bending process, the main body segment is wrapped between the tail segment and the middle segment, so that the middle segment passes through the loop segment while the loop segment is formed; S4, fixing the part where the tail segment and the middle segment adhere to each other. This processing method is simpler to operate and produces a higher quality finished product.

The utility model relates to a cold heading device of an automobile hub adapter sleeve. The cold heading device comprises a cutting mechanism, an ejection mechanism, a conveying mechanism and six dies. The six dies comprise a first upsetting die used for conducting primary shaping on an initial blank and conducting rounding on the lower end, a second upsetting die used for conducting shaping and finishing on the upper end of the overturned first blank through rounding, and a third upsetting die used for conducting extruding and stretching on the upper end of the overturned second blank to form a small-diameter rod part. The four-upsetting die is used for pre-upsetting the lower end of the third blank overturned to the in-situ state to form an upper cylinder and a lower outer hexagonal cylinder; the five-upsetting die is used for upsetting the cylinder of the middle section of the fourth blank to form a large-diameter disc and forming a concave hole in the upper end of the small-diameter rod part of the upper section of the fourth blank; and the six-upsetting die is used for deepening the concave hole of the small-diameter rod part of the upper section of the fifth blank to form a hexagonal inner hole and extruding and stretching the whole small-diameter rod part. By adopting the technical scheme, the production efficiency is improved, materials are saved, and the cost is reduced.

The application relates to an energy-saving guide-type heat-dissipation fan shell in the technical field of fans, which comprises a frame, the frame is hollowed out to form a fan accommodating cavity, a plurality of ribs are arranged in the fan accommodating cavity, and the ribs are integrally connected with the frame; any rib is sequentially formed with an upper section, a middle section and a lower section along the axial direction, the upper section is integrally connected with the shell, the diameter of the upper section is larger than that of the lower section, the diameter of the lower section is larger than that of the middle section, the axial dimension of the upper section is larger than that of the middle section, the axial dimension of the middle section is larger than that of the lower section, and the upper section, the middle section and the lower section are smoothly connected; a plurality of air guide rings are arranged on any rib, and any air guide ring is an annular protrusion arranged on the surface of the rib.

The invention discloses a defense method and device for a context injection attack of a large language model, and relates to the technical field of artificial intelligence network security protection. The method comprises the following steps of: performing non-uniform sampling on an input context, and extracting a head system instruction area, a tail user query area and a plurality of representative text fragments in the middle; by calculating a text compression ratio feature value and an N-gram repetition rate feature value of the middle fragment, capturing structural anomaly in a non-semantic understanding mode; calculating a semantic similarity characteristic value of the tail query and the middle segment, and carrying out intention corresponding detection; a total risk score is calculated, and hierarchical non-intrusive intervention from adding a security instruction at the end of the context to applying a dynamic Logit bias in a model decoding phase is performed according to different risk levels. According to the method, the safety detection and defense of the millisecond-level delay of the ultra-long context are realized, the internal weight of the model does not need to be modified, the universality is high, and the false alarm rate is low.

The present invention provides a heat pipe with multi-angle adjustment and variation, comprising a sealed housing. A working fluid is provided inside the sealed housing, and at least one capillary structure is disposed on its inner wall. The sealed housing has a front section, a rear section, and a deformable and flexible middle section. The middle section is located between the front section and the rear section and is connected to each other. The middle section is composed of a plurality of branches and a plurality of joint sections arranged alternately. Both sides of each joint section are respectively connected to adjacent branches, and the plurality of branches can obtain the same or different angle adjustments with the joint sections as the fulcrums, so that the heat pipe of the present invention can have multi-angle variation and positioning adjustment.

This invention discloses a self-floating bridge pier anti-icing impact device and its manufacturing method. The device includes a casing body, which is composed of ice-breaking and flow-guiding segments, a middle segment, and a tail segment arranged longitudinally. The ice-breaking and flow-guiding segments are connected to the middle segment by an elastic connecting element with a preset critical trigger threshold. When the impact force exceeds the threshold, the elastic connecting element compresses and absorbs energy, and drives the ice-breaking and flow-guiding segments to automatically reset after the impact force is removed. The casing body is filled with energy-absorbing material. The manufacturing method is used to manufacture this self-floating bridge pier anti-icing impact device. This invention achieves sequential active protection with a "rigid first, flexible later" approach through the elastic connecting reset element, balancing efficient ice breaking and strong impact buffering. It also has automatic reset and adaptive water level change capabilities, significantly improving the ice impact resistance safety and life-cycle economy of bridges in cold regions.

The invention discloses a long filter bag combined type keel for a bag-type dust collector. The long filter bag combined type keel comprises segmented keel modules, self-locking type connecting mechanisms and quick-mounting fixing clamping seats, each segmented keel module comprises an upper-segment keel, at least one middle-segment keel and a lower-segment keel; the self-locking type connecting mechanism is arranged at the joint of every two adjacent segmented keel modules. Comprising an outer conical surface and an inner conical surface which are matched with each other, the outer conical surface is located at the rear end of the previous segment keel module, the inner conical surface is located at the front end of the next segment keel module, at least two spring pins are arranged on the outer surface of the outer conical surface, and L-shaped clamping grooves matched with the spring pins are formed in the inner surface of the inner conical surface. The device is convenient to assemble and disassemble, anti-vibration and anti-loosening, and strengthens the middle section support.

The invention relates to an advanced boring process for a conventional rudder system of a ship. The advanced boring process comprises the following steps: modeling a ship body, and performing G111 finite element analysis on a stern total component segment; a stern total assembly segment G111 is assembled; preparing before boring the G111 rudder system of the stern assembly section: boring a rudder stock bearing seat and a rudder pintle bearing seat according to the condition of the center line of the rudder system, and reserving the boring amount for each boring hole; before a stern total assembly segment G111, a stern total assembly segment 101, a stern middle assembly segment G201 and a stern middle assembly segment G231P / S are subjected to large folding, matching personnel control the perpendicularity and the intersection degree of the center and the axis of a rudder hole by matching folding personnel according to a rough drawing shafting theoretical line, and welding is conducted after positioning is finished, so that the folding precision is controlled; after folding welding is completed, the intersection degree of the center line of the rudder system and the shaft system is checked again, micro fine boring is conducted on inner holes of the rudder stock bearing seat and the rudder pintle bearing seat, and the single-side machining amount of fine boring is the reserved hole boring amount in the fourth step; and pressing a rudder system bearing. The construction period can be shortened, and boring operation is completed in the total assembling stage in advance before a user goes on a slipway / enters a dock.

Certain aspects of the present disclosure generally relate to ophthalmic surgery, and more particularly to methods and apparatus for controlling intraocular pressure (IOP). An example apparatus generally includes: a proximal section including a first inner diameter (ID); an intermediate section coupled to the proximal section, the intermediate section including a second ID less than the first ID; and a distal section coupled to the intermediate section, the distal section including a third ID less than the second ID.

The utility model relates to a kind of clamping fixture for shell, including base, the top left side of base is equipped with first mounting hole, the top right side of base is equipped with second mounting hole, first round stick, first round stick bottom end is fixedly installed in first mounting hole, the middle segment of first round stick is equipped with first spring;Second round stick, the bottom end of multiple second round stick is fixedly installed in base top;First mounting block, first mounting block top is equipped with first avoiding hole, the top of first round stick passes through first avoiding hole;And fixed module, fixed module is fixedly installed in second mounting hole, first round stick is positioned installation with first mounting hole cooperation, first spring can form elastic support to first mounting block, multiple second round stick can carry out multi-point location to shell bottom, fixed module can be cooperated with first mounting block and the component, realize the reliable fixing to shell, satisfy shell clamping requirement, and can be limited by fixed module and first spring, to different shell.

The patent relates to a tubular steel plate connector, in particular to a middle drum type tubular steel plate connector and a combined structure thereof. The tubular steel plate connector comprises a cylindrical body (1), the cylindrical body (1) comprises an upper column body section (12), a middle column body section (11) and a lower column body section (13), the cross-sectional area of the middle column body section (11) is greater than that of the upper column body section (12), and the cross-sectional area of the middle column body section (11) is greater than that of the lower column body section (13). The patent adopts a middle drum type structure, so that the middle part of the cylindrical body is outwardly drum-shaped, and the cylindrical body is not easy to be folded inward when being pressed, and the structure is more stable and reliable when being connected with a top plate and a bottom plate.

This invention provides a spoke-based wind resistance reduction structure, comprising a head, a neck, a middle section, and a threaded connection. The neck is integrally connected to the bottom surface of the head, and the cross-section of the neck is smaller than that of the head. The middle section is integrally connected to the bottom surface of the neck, and includes a first plane and a second plane, which flatten the middle section, and its cross-section is smaller than that of the neck. The threaded connection is integrally connected to the bottom surface of the middle section, and its cross-section is smaller than that of the threaded connection. This allows the spoke-based wind resistance reduction structure to be installed between the hub and the rim. The flat, streamlined middle section, combined with a short spoke cap, ensures that its exposed length is lower than or equal to the rim surface. Furthermore, the first and second planes of the middle section enable the flat, streamlined middle section to achieve the effect of minimizing wind resistance.

The present application relates to a kind of general automation assembly line, including the front section assembly line, middle section assembly line and rear section assembly line in the conveying direction of product are sequentially arranged;The front section assembly line, middle section assembly line and rear section assembly line are equipped with several material transfer devices, and the material transfer device includes multi-axis robot, gripper for taking material arranged in the output end of the multi-axis robot, and gripper library;Wherein, the gripper for taking material of first product series is stored in the gripper library of the front section assembly line, the gripper for taking material of full product series is stored in the gripper library of the middle section assembly line, the gripper for taking material of second product series is stored in the gripper library of the rear section assembly line.The present application is configured by different series of gripper for taking material library in the front section assembly line, middle section assembly line and rear section assembly line respectively, so that the assembly line can quickly adapt to the assembly demand of different product series, and different models of products can be produced according to the collocation combination between different section assembly line.