28 results about "Middle segment" patented technology

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 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.

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 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.

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 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.

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 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 utility model relates to the technical field of medicine packaging tools, in particular to a medicine packaging knocking exhaust rubber hammer which comprises a rubber hammer body, and the rubber hammer body comprises a hammer body and a hammer handle fixedly connected to the hammer body. The hammer body comprises a middle hammer body section, the upper end and the lower end of the middle hammer body section are connected with a hammer body upper section and a hammer body lower section respectively, and one side of the middle hammer body section is further connected with the hammer handle; and the hammer body middle section is made of a metal material. The hammer has the advantages that the structural design is simpler and more reasonable, the hammer has the advantage of being small in structural size and reliable in knocking force, the hammer handle and the hammer body can be better prevented from being broken and damaged, and the functions are more diversified.

The application provides a crotch structure and a robot. The crotch structure comprises a support frame, two middle segment connectors and two limb connectors. The two middle segment connectors are fixedly connected to the first fixed side and the second fixed side of the support frame respectively. The two limb connectors are fixedly installed on the two middle segment connectors one by one. Two first power assemblies are fixed to the two middle segment connectors respectively. Part of the first power assemblies are fixed to the first installation cavity of the support frame. Two second power assemblies are arranged in the third installation cavity of the two limb connectors one by one. The air supply module comprises a first fan. The first fan is connected to the second opening. The impeller area of the first fan is opposite to the second opening. The crotch structure solves the technical problem that the robot in the prior art is prone to cooling liquid leakage when water cooling is used for heat dissipation.

The application discloses a reduction device for long bone comminuted fracture operation, and relates to the technical field of medical devices. The device comprises a middle segment positioning mechanism and two groups of two-side segment positioning mechanisms symmetrically arranged. The middle segment positioning mechanism comprises a positioning tube provided with a wedge-shaped convex rib; the two-side segment positioning mechanism comprises a frame body, an inner movable block capable of adjusting the position in the axial direction and an outer flexible sheet, and realizes fine adjustment of the position through a lead screw and a bevel gear transmission group. The proximal ends of the two groups of frame bodies are designed in a step-shaped overlapping mode and are jointly sleeved outside the positioning tube. Through a one-way meshing structure formed by a rack in the mounting block and the wedge-shaped convex rib, and by using matched guide inclined surfaces and limiting stop surfaces, the two groups of frame bodies are realized to slide inwardly and be automatically locked. The application realizes the logic of central anchoring and two-side butt, ensures the tightness and in-operation stability of the joint between the side bone block and the middle bone block, supports vertical sliding and separation, and greatly facilitates post-operation removal.

The utility model relates to the field of rock breaking devices, in particular to a gas conversion air energy expansion rock breaking device which comprises a first fracturing pipe. An extension fracturing pipe is arranged below the first fracturing pipe, the extension connecting piece is connected between the first fracturing pipe and the extension fracturing pipe, the extension connecting piece is formed by combining a middle section structure and threaded connecting pipes fixedly connected to the upper side and the lower side of the middle section structure, and a first wire connecting hole penetrating through the middle section structure is formed in the middle section structure. The first fracturing pipe is in threaded connection with the outer side of the threaded connecting pipe at the upper end; according to the utility model, the extension fracturing pipe with the same structure as the existing first fracturing pipe is additionally arranged below the existing first fracturing pipe, and the first fracturing pipe is in threaded connection with the extension fracturing pipe through the extension connecting column, so that the length of the first fracturing pipe is increased, and the length of the first fracturing pipe can be changed according to the drilling depth; the rock breaking device is suitable for rock breaking work of more different depths, and the universality of the whole rock breaking device is improved.

The utility model discloses a transmission belt for bread processing relates to bread processing technical field, including transmission belt subassembly and support component, the left and right sides horizontal erection of transmission belt subassembly has adjusting assembly, the top of adjusting assembly is horizontally connected to support component, and the middle segment arrangement of support component is connected with the installation of limiting component. The transmission belt for bread processing, through the middle part arrangement of support component installs limiting component, utilizes the structure setting between both, can according to need with the structure adjustment of certain number on limiting component, to adapt to the need of trial, can also adjust the spacing between limiting component each other, provides structure limit for material, and also avoids the influence of the conveying of material, in addition, the structure setting of adjusting assembly cooperation support component can be to the proper lifting adjustment of limiting component, and horizontal movement, to improve structural flexibility.

The invention discloses a longitudinal integrated dynamic bathing device suitable for a compact space, and relates to the technical field of nursing instruments, the longitudinal integrated dynamic bathing device comprises an upper section module, a middle section module and a lower section module, the upper section module, the middle section module and the lower section module are connected through a vertical segmented layout and are fixed on a wall through an integrated load-bearing back plate, and the upper section module, the middle section module and the lower section module are fixed on the wall through the integrated load-bearing back plate. The upper-section module comprises a lighting assembly and a heating assembly, the middle-section module comprises a bathing assembly and a storage assembly, the lower-section module comprises a sitting posture supporting assembly, the modules are connected in a sliding mode through embedded structures, and the vertical positions of the modules can be adjusted. According to the invention, the problems of poor adaptability, space limitation, loose layout, inconvenience in assembly and the like of an existing transformation mode suitable for aging to old residences in cities and towns are solved, and meanwhile, the defect that the dynamic requirements of old people on the size and function combination of bath facilities along with physiological changes cannot be met is overcome.

The utility model discloses a portable chopstick box, including lower cylinder, upper cylinder, link table, link sleeve, the lower cylinder is the casing that upper end opening, middle part is equipped with the cavity, and its upper end inner wall is equipped with internal thread, the upper cylinder is the casing that lower end opening, middle part is equipped with the cavity, and its lower end inner wall is equipped with internal thread, the link table is the columnar structure, and including the lower segment screw post that sets from below to above, the mid -segment ring, the upper segment screw post, the lower segment screw post is connected with lower cylinder thread, the upper segment screw post is connected with link sleeve thread, and link sleeve outer wall is connected with upper cylinder thread, the link table middle part is equipped with two chopstick insertion holes, and the cavity of upper cylinder, chopstick insertion hole, the cavity of lower cylinder communicates in proper order, the portable chopstick box of the utility model can effectively accomodate chopsticks, and limit chopsticks fixed, avoid the impact sound of the click of the tongs in the movement, guarantee chopsticks not to wear and tear, spray damage because of sliding in the box body simultaneously, influence chopstick use.

The utility model relates to a welding fixture for a lower reinforcing plate of a left C column of an automobile, which comprises a base structure, a workpiece positioning and clamping piece group and a welding auxiliary part, the workpiece positioning and clamping piece group comprises a middle section welding clamp assembly for clamping the middle part and the side surface end of the middle part of the workpiece, an inner end clamping and welding clamp assembly for clamping the inner side end of the workpiece and the upper end surface of the inner side end of the workpiece, and an outer side clamping and welding clamp assembly for clamping the outer side end of the workpiece and the upper end surface of the outer side end of the workpiece; the middle-section supporting piece welding clamp assembly comprises a middle-section supporting main machining body, a middle-section pneumatic clamping seat body, a middle-section control air cylinder and a middle-section lateral clamping block. The welding clamp tool is simple in structure, the to-be-welded sheet metal part is convenient to disassemble and assemble, and the clamping stability can be guaranteed. According to the automobile left C column lower reinforcing plate, the over-positioning phenomenon caused by using a welding clamp as a measuring bracket is avoided, and the real precision in a free state is objectively reflected; and the total development cost and the total development period of the clamp and the measuring bracket are reduced.

The utility model relates to a kind of pneumatic clamping jig for bearing installation, including sleeve, sleeve axis vertical arrangement, the inside bottom end axial of sleeve is uniformly provided with three rectangular blocks, the bottom end of sleeve is provided with the avoidance hole of one-to-one multiple rectangular blocks, the centrifugal end of rectangular block is all set as arc surface, rectangular block's middle segment is slidably installed in the inside of avoidance hole, the centripetal side of rectangular block is all set as inclined plane, the inner top of sleeve is fixedly installed with pneumatic cylinder, the telescopic rod of pneumatic cylinder is located at the bottom of pneumatic cylinder, the bottom end of telescopic rod of pneumatic cylinder is conical surface, conical surface and the inclined plane of rectangular frame are mutually matched, the bottom outside of sleeve is fixedly installed with boss, the bottom circumference of sleeve is provided with acute angle inverted blunt shape, how when using make bearing stable installation on workpiece, and it is more complex that spline groove of bearing and spline groove of part are aligned, the position of spline groove is simulated by boss in the device, so that the position of bearing is determined when clamping.

The application provides a bridge prefabricated component size deviation intelligent matching method based on BIM technology, and relates to the technical field of intelligent matching. The method comprises the following steps: obtaining BIM design models of each prefabricated component; in the BIM design model, three identification nodes are marked for each prefabricated component, and the three identification nodes are respectively defined in a top centroid area, a bottom centroid area and a normal projection extreme area of a middle segment lateral contour surface of the corresponding prefabricated component; according to the assembly correlation topological relationship of each prefabricated component and the three identification nodes on each prefabricated component, a first assembly base point and a second assembly base point are respectively calculated in two adjacent prefabricated components to be assembled, and a space positioning origin point is determined. The application can determine the component deviation and intelligently adjust the BIM model geometric contour, realize the matching of the size deviation of the bridge prefabricated component before assembly, improve the assembly efficiency and precision, and reduce the on-site construction adjustment cost.

The utility model relates to the technical field of building templates and discloses a building template fixing mechanism which comprises a first template, a second template, a third template and a fourth template, and the upper ends and the lower ends of the right side walls of the first template, the second template, the third template and the fourth template are all fixedly connected with head-tail connecting blocks. And connection reinforcing ground pricking cones are clamped in the head-tail connecting blocks in a penetrating mode, and middle-section connecting blocks are fixedly connected to the middles of the left side walls of the first formwork, the second formwork, the third formwork and the fourth formwork correspondingly. According to the building template fixing mechanism, through the cooperative arrangement of the first template, the second template, the third template, the fourth template, the head-tail connecting block, the connection reinforcing ground binding cone, the middle section connecting block and the covering smooth isolation layer, the effects of quickly connecting, fixing, binding and reinforcing the building template are achieved; and meanwhile, personnel can conveniently adjust the scale of the building formwork according to needs and fix the building formwork, and the personnel can conveniently fix, mount and dismount the building formwork in an anti-sticking mode.

The utility model relates to a sectional type automobile stabilizer bar, which relates to the technical field of automobile stabilizer bars, and comprises a middle section adjusting rod body, polyurethane bushings are arranged on both sides of the middle section adjusting rod body, threaded connection column heads are arranged at the centers of both sides of the middle section adjusting rod body, splines are arranged on both sides of the middle section adjusting rod body, and the splines are connected with the polyurethane bushings. The multiple splines are arranged on the two sides of the middle-section adjusting rod body and are arranged in a circular equal-distance array mode. The automobile stabilizer bar has the beneficial effects that the two connecting section bars can be connected to the two sides of the middle section adjusting bar body through the connecting assemblies, connecting and fixing can be enhanced through the mounting hoop pieces, an integrated structure is replaced, the automobile stabilizer bar can be disassembled and replaced in a segmented mode, and therefore when local deformation or breakage occurs, the automobile stabilizer bar can be replaced in a regional position, and the replacement efficiency is improved. And serious material waste can be prevented as much as possible.

The utility model relates to the technical field of bridge engineering construction, in particular to a steel bridge anchor pulling plate positioning device which comprises a rotating rod, a sleeve is sleeved on the upper middle section of the rotating rod, external threads are carved on the surface of the rotating rod and located in the area below the sleeve, and internal thread sliding sleeves are rotatably connected to the upper section and the lower section of the rotating rod through threads. Three sets of hinge seats are fixedly arranged on the annular face of the sleeve and the annular face of the internal thread sliding sleeve at equal angles, the hinge seats on the sleeve are connected with first fixing arms through fixing pins, the hinge seats on the internal thread sliding sleeve are connected with second fixing arms through fixing pins, and the outer ends of the first fixing arms and the outer ends of the second fixing arms are connected with hinge heads through fixing pins. The outer side of the hinge joint is connected with a fixing chuck through a fixing pin. The positioning device is used for directly positioning the axis of the anchor pipe of the anchor pulling plate, accumulated errors caused by indirect positioning are reduced, the positioning precision is improved, meanwhile, the adjusting range of the fixing arm in the circumferential direction is large, and the positioning device is suitable for anchor pipes of anchor pulling plates of various diameter specifications.

This utility model discloses a segmented vehicle rear longitudinal beam, comprising a front section, a middle section, and a rear section of the rear longitudinal beam that are sequentially spliced ​​and fixed. The middle section includes a connecting assembly, an outer plate and an inner plate of the middle section arranged opposite to each other, with the connecting assembly positioned between the outer and inner plates to connect them as a whole. This segmented vehicle rear longitudinal beam structure effectively reduces material costs and significantly improves product molding quality and yield while meeting the requirements for high strength and high Z-axis height difference in the middle section area, and also facilitates localized repair and replacement.

The present application relates to a kind of aircraft, including fuselage, and the left and right sides of fuselage are each provided with wing;Wing includes wing support, wing cloth and winding roller;Wing support includes the heel segment, middle segment and tail segment sequentially distributed from near to far along the left and right direction distance fuselage;One end of heel segment is rotatably connected with fuselage;One end of middle segment is rotatably connected with the other end of heel segment, and the other end of middle segment is rotatably connected with one end of tail segment;Driving mechanism for driving the relative rotation between heel segment and fuselage, between heel segment and middle segment and between middle segment and tail segment is respectively arranged between heel segment and fuselage, between heel segment and middle segment and between middle segment and tail segment, so that wing support can be switched between unfolded state and folded state;Wing cloth is respectively arranged on heel segment and middle segment and passes through gap;Winding roller is rotatably installed on fuselage;One side of wing cloth is connected with winding roller, and the other side of wing cloth is connected with tail segment after passing through gap after wing cloth passes through gap.The present application has the characteristics that wing cloth can be wound when wing support is folded, so that wing cloth will not produce wrinkle.