81results about How to "Guaranteed rigidity" patented technology

An imaging device includes: an imaging section; a first metal side plate and a second metal side plate; an antenna; and a housing having an outlet thereon, wherein the housing includes a top cover disposed at a position higher than the first metal side plate in the vertical direction, wherein in a region downstream of the antenna along the discharge direction of recording material discharged from the outlet, the upper end of the first metal side plate is located at a position lower than the antenna in the vertical direction, and a resin support portion connected to the first metal side plate is disposed in the region such that the resin support portion supports the top cover, wherein the antenna and the resin support portion are disposed along the upper end of the first metal side plate.

The invention relates to a high-impact PC-elastomer composite battery shell and a preparation method thereof, and belongs to the technical field of battery shell manufacturing. The shell adopts a three-layer composite structure design and comprises an outer polycarbonate layer of which the end group is grafted with a hindered amine light stabilizer, a middle thermoplastic polyurethane layer containing a double-crosslinking network and an inner glass fiber reinforced polycarbonate layer. Through material modification, uniform distribution and dense combination of all layers of materials are realized, the impact resistance and the weather resistance of the battery shell are remarkably improved, and the excellent bonding property of an interface is ensured.

This utility model discloses an integrated transition yaw connection system for wind turbines, belonging to the technical field of wind power generation equipment. The system includes a wind turbine tower, a slewing bearing, a short-section cylinder, and a lower platform. The wind turbine tower has a truss-type hollow structure. The short-section cylinder is vertically arranged and its top is welded to the lower platform as a whole. Its bottom is connected to the top of the tower through the slewing bearing. This utility model uses a hierarchical structure of truss tower-slewing bearing-short-section cylinder-platform. It utilizes the short-section cylinder to distribute the nacelle load and compensate for installation errors. Combined with the slewing bearing, it achieves low-friction and stable yaw. This structure effectively solves the problems of heavy self-weight, obvious yaw vibration, complex assembly, and easy wear of connection parts of traditional wind turbine towers. It has the advantages of lightweight, stable yaw, convenient installation, and long service life.

The invention relates to the technical field of automobile body-in-white welding and manufacturing, and discloses a flexible positioning method of a middle and rear floor clamp and a hardware system thereof, and the hardware system comprises a clamp base, a flexible positioning mechanism switched through an electric cylinder and a flexible positioning mechanism switched through a gun changing disc. The flexible positioning method comprises the steps that firstly, the master control PLC unit analyzes a vehicle type code instruction, and the number of the target separable module, the left side target position and the right side target position are determined; the first servo electric cylinder and the second servo electric cylinder drive the movable positioning module to move independently. The carrying robot assembles the separable module on the clamp base, and the base butt joint structure achieves positioning through cooperation of a first base side positioning pin and a first module side positioning bush. The locking and maintaining system utilizes a pneumatic clamping unit to lock the separable module, and the robot side main disc and the tool side gun changing disc achieve automatic energy butt joint. According to the invention, the problems of low positioning switching efficiency and poor precision in multi-vehicle mixed-line production are solved.

The utility model discloses a kind of lining blanking machine for square tube lining plate welding, belong to welding auxiliary equipment technical field, the blanking machine mainly includes storage rack and push mechanism, storage rack is formed by first carriage, second carriage and the connecting end plate of both ends, form a slightly wider lining blanking passage, for horizontal stacking lining plate, push mechanism is fixed in storage rack bottom end side, its execution end is aligned with the lowermost lining plate of blanking passage, by cylinder driving connecting rod and L type poking piece mechanism, the lowermost lining plate is horizontally pushed out;Upper lining plate is automatically dropped to supplement under the action of gravity in succession, the utility model realizes the automatic, continuous, accurate blanking of lining plate, effectively improve the automation degree and production efficiency of square tube lining plate welding, reduce manual operation intensity and security risk.

The utility model discloses a kind of lithium battery pole piece size measuring devices, it relates to lithium battery pole piece online measurement technical field, the lithium battery pole piece size measuring device, including table top and display, the table top is fixedly provided with support, the upper end of support is equipped with the measuring mechanism for carrying out size measurement to lithium battery pole piece, the lower end of support is provided with fixed base, fixed base inside is equipped with the object table for carrying the lithium battery pole piece to be measured, the upper end of fixed base is also provided with adjustable light source mechanism, adjustable light source mechanism adjusts illumination position according to different measurement needs.The utility model constructs multi-mode lighting system by integrating liftable rotating annular light source, adjustable arc-shaped light supplement unit and reversible locking side light source, realize all-around, self-adapting illumination adjustment to lithium battery pole piece, effectively eliminate reflection and shadow, significantly improve the accuracy and adaptability of size measurement.

The utility model discloses a miniaturized high moment has brush motor, this motor aims at solving the inductance element and carbon brush assembly and terminal of existing motor inside adopt direct welding mode, cannot keep reliable contact in the problem of vibration environment. The motor includes the shell, the stator subassembly of fixed mounting in the shell inside, the rotor subassembly of rotation installation in the shell inside and with the terminal subassembly of rotor subassembly electricity is connected, and the terminal subassembly includes the middle plate, installs the inductance in the middle plate, carbon brush assembly and conducting terminal, and one end of inductance is fixed after welding with the conducting terminal riveting, and the other end of inductance is fixed after welding with carbon brush assembly riveting. The utility model passes through independent riveting welding inductance both ends, realizes inductance and brush arm, inductance and the high strength mechanical locking and conducting connection of conducting terminal, and the anti -vibration performance is superior to direct welding mode, can keep reliable contact in the vibration environment.

The invention relates to the technical field of the building industry, and discloses a fabricated steel structure and an installation method, the fabricated steel structure comprises frame columns and frame beams, and the frame columns and the frame beams are connected in a matched mode; the modular node units are detachably connected with the frame columns and the frame beams respectively; the modularized joint unit comprises a first connecting plate and a second connecting plate, the sides, deviating from each other, of the first connecting plate and the second connecting plate are suitable for being connected with one ends of the adjacent frame columns correspondingly, and a box type steel column section is arranged between the first connecting plate and the second connecting plate; the two ends of the box type steel column section are connected with the first connecting plate and the second connecting plate correspondingly. The modularized joint units are further provided with I-shaped steel beam ends, and the two I-shaped steel beam ends are connected with the two ends of the box type steel column section respectively in the extending direction of the frame beam.

This invention provides a special disassembly tool and method for abrasive rollers in automotive clutch steel sheet grinding equipment. The tool includes: a first fixing component mounted on the rotating shaft of the abrasive roller; a first disassembly component mounted on a first fixing nut on the rotating shaft of the abrasive roller; a second fixing component mounted on the back plate of the grinding equipment; and a second disassembly component fitted onto a second fixing nut on the rotating shaft of the abrasive roller. Both the first and second fixing components have contour holes that mate with the rotating shaft of the abrasive roller. The first fixing component manually restricts the rotation of the rotating shaft, and the second fixing component restricts the rotation of the rotating shaft by being fixed to the back plate and engaging with the contour holes. Both the first and second disassembly components have disassembly teeth, allowing the first and second fixing nuts to be disassembled by rotating the disassembly teeth. This invention solves the problems of inability to circumferentially lock the rotating shaft of the abrasive roller during disassembly and installation, and the inability of commonly used tools to achieve effective rotation in confined spaces.

The utility model provides a hollow glass door body and a refrigerator. The hollow glass door body comprises a door frame and hollow glass, the hollow glass comprises inner glass and outer glass, and the door frame comprises a door body frame arranged on the periphery of the hollow glass and arranged in an L shape; the door body inner frame is connected between the door body frame and the hollow glass, the two ends of the door body inner frame are connected with the two ends of the door body frame in a clamped mode to form a containing space filled with a foaming agent, and the door body outer frame is connected with the door body inner frame in a buckled mode to define a mounting groove used for mounting the hollow glass. In the utility model, the door body inner frame and the door body outer frame simultaneously buckle and press the hollow glass to achieve a stable state. The foaming agent is filled between the door body frame and the door body inner frame, so that condensation of the door body frame is effectively reduced. Meanwhile, the foaming agent is not in contact with the hollow glass, different types of hollow glass can be replaced according to different use environments so as to meet specific use requirements, and higher compatibility is achieved.

The application provides a landing gear support rod processing method. The landing gear support rod processing method comprises the following steps: providing a workpiece and a tooling for clamping the workpiece; clamping the workpiece by using the tooling; respectively rough machining an A-side surface of the workpiece in a Y direction, fine machining at least three reference surfaces on two process clamps, rough machining a B-side surface of the workpiece in the Y direction, fine machining the A-side surface of the workpiece, fine machining the B-side surface of the workpiece, fine finishing the reference surfaces parallel to an X direction, milling the reference surfaces parallel to the X direction into bevels, processing oil nozzles, positioning an ear of the workpiece, and removing the process clamps; polishing positions of the process clamps on the workpiece, and completing the processing. The application can realize concentrated processing of all processes by using the clamping positions reserved by the process clamps and cooperating with the tooling, all processes can be completed by the vertical machining center, the problem of process dispersion is solved, and the part transfer and auxiliary time are reduced.

The application discloses a kind of integrated flow process of continuous high-frequency welding, it is related to high-frequency welding field.The equipment of the present application adopts integrated rack structure, effectively suppresses vibration, guarantees running stability;High-frequency welding equipment includes three welding stations and two discharging stations, discharging station is located in the middle of welding station, forms discharging and welding station interval arrangement, control mechanism, equipment main base.High-frequency welding equipment carries welding program storage function and automatic current control system, can store, retrieve multiple groups of welding process parameters, and according to workpiece type, welding position intelligent adaptation welding current.The present application solves the problems of low production efficiency, single equipment action form, high labor cost, poor flexibility of station control, complex multi-process switching, large equipment vibration, complex parameter debugging, weak welding energy adaptability and other problems of traditional equipment, with high production efficiency, stable operation, high positioning accuracy, simple operation, low labor and time cost, strong process versatility and other characteristics.

The utility model relates to pipeline trench support field discloses a novel support structure for pipeline trench support, including maintenance board, the lateral wall fixedly connected with track of maintenance board, the inside of track is provided with slide, the surface of track is opened with positioning hole, the inner wall screw thread connection of positioning hole has the locating bolt, the surface fixedly connected with support shaft of slide, the outer wall fixedly connected with spherical seat of support shaft, the inner wall rotationally connected with the regulating steel ball of spherical seat. In the utility model, through being provided with track, slide, positioning hole, locating bolt and so on, when supporting pipeline trench, can adapt to the width of trench to carry out horizontal support while, maintenance board can carry out two -two splicing and enlarge the support area, and when the one end of trench changes too wide or too narrow, one end of maintenance board can be reduced or enlarged to carry out angle adjustment, improve the support effect while, improve the adaptability of support operation.

This utility model discloses a rotor for a rotary electric machine. The objective is to reduce the surface pressure acting on the mating surfaces while ensuring the strength of the rotor core when pressing the shaft into the rotor core. The rotor core of the rotary electric machine includes a plurality of elongated holes, which are spaced apart in the circumferential direction, extending along the shaft hole along the circumferential direction of the rotor core and along the central axis of the shaft hole along the axial direction of the rotor core. The inner circumferential surface of the elongated holes includes: a pair of first surfaces extending along the circumferential direction and radially opposite the rotor core; two second surfaces forming the circumferential ends of the elongated holes; and four third surfaces, each having a radius of curvature larger than that of the surface contained in the second surfaces and continuous with the corresponding first and second surfaces.

The utility model discloses a kind of rice herbicide spraying devices, belong to spraying device field, including rack, sliding block, guide light axis, fish eye bearing, the inside installation of rack has adjusting unit, spraying mechanism, the adjusting unit includes motor, two-way screw rod, bearing seat, adjusting sliding block, limiting nut, pin shaft, one side installation of motor has two-way screw rod, two-way screw rod is installed between two bearing seats, the surface of two-way screw rod is connected with adjusting sliding block and limiting nut, the inside installation of adjusting sliding block has pin shaft, the spraying mechanism includes main cross bar, nozzle, rectangular clamping groove, the surface of main cross bar is equidistant and has been opened with multiple groups of cylindrical groove, nozzle is installed in cylindrical groove, the surface of nozzle is connected with rectangular clamping groove;Through the cooperation between above each device, different rice varieties, different growth stages of row distance change can be quickly adapted, ensure that herbicide is accurately sprayed in rice row, reduce the drug damage to rice plant, improve weeding effect.

The utility model relates to a block type lifting workbench which comprises an installation part, a plurality of table top parts, a plurality of lifting parts and a plurality of control parts. The platform has the advantages that the modular split design is adopted, accurate partition leveling is achieved through a plurality of independently-controlled platform surface components, all stations can be independently lifted and do not interfere with one another, and the platform is particularly suitable for a multi-instrument collaborative operation scene; secondly, a worm gear and worm transmission system and a cross telescopic rod linkage mechanism are innovatively adopted, the rotating speed of a motor is accurately adjusted through a micro control unit (MCU), a four-connecting-rod structure composed of stainless steel transmission rods is matched, the lifting process meets the positioning precision, and meanwhile it is ensured that displacement drifting does not exist in the load state through the self-locking characteristic of a worm gear; in addition, in the structural design, the double-layer stainless steel installation base piece forms a stable supporting frame through the supporting foot pieces distributed in a matrix mode, the design of array type receding openings in the panel piece is matched, the overall rigidity is guaranteed, and physical isolation of the lifting units is achieved.

This invention discloses a method for preparing hard carbon materials for high-rate cycling sodium-ion battery anodes and their applications, relating to the field of energy storage materials technology. The invention uses phenolic resin prepolymer and melamine-formaldehyde prepolymer with a specific degree of polymerization as precursors, constructs a three-dimensional cross-linked network via a solvothermal method, and employs a stepped variable-temperature carbonization process including low-temperature polycondensation, medium-temperature pore-forming, and high-temperature reforming stages. This method utilizes a structure-directing agent to form a closed-pore structure through in-situ decomposition and precisely controls the carbon interlayer spacing. The prepared hard carbon material possesses short-range ordered pseudo-graphite microcrystals and a suitable interlayer spacing (0.38nm-0.42nm). When used as a sodium-ion battery anode, it exhibits a reversible specific capacity higher than 400mAh / g, an initial coulombic efficiency exceeding 92%, and a capacity retention rate greater than 90% after 1000 cycles at 5C high rate. This invention solves the problems of poor rate performance and low initial efficiency of existing hard carbon materials, making it suitable for high-power energy storage devices.

The utility model discloses a framework structure and motor, include: the lead wire side framework and the opposite lead wire side framework of configuration at the both ends of stator core, the lead wire side framework includes: first component, along the axial direction and axial extension, a plurality of second components, and the second component is spaced apart each other and is arranged in the radial inboard of first component and along the circumference direction of first component extension, through the mode of thinning the tooth wall thickness of second component, forms the winding area between first component and second component, and the first reinforcing part is arranged at the connecting place of winding area and second component. Through above -mentioned mode, the utility model can realize to winding slot full rate, and the strength of framework tooth wall is compensated to reinforcing part, guarantees the strength and stability of framework overall structure.

The utility model discloses a motorcycle engine crankcase belongs to motorcycle engine technical field, and one kind of motorcycle engine crankcase, including crankcase main part, the crankcase main part upper end surface center one side place is equipped with crankshaft accommodating cavity, the crankcase main part upper end surface center leans to the side and is equipped with the variable speed gear installation cavity, the inboard wall of crankshaft accommodating cavity is equipped with the protection structure, the crankcase main part lower end surface center place is equipped with the reinforcing structure, in addition, the utility model discloses, through the combination design of protective layer, T type sliding block and sliding slot, through the radial limit and prevent the deviation and fall of protective layer because of crankshaft high -frequency vibration, also keep the axial trace sliding space to adapt the thermal expansion and contraction when the engine works, solved the problem that rigid protection structure is easy to produce stress cracking because of temperature change, simultaneously, the direct contact of protective layer and crankshaft part realizes wear and tear isolation, and cooperates slidable type assembly structure, and the durability and adaptability of protection have been greatly improved.

This invention belongs to the field of optical lens technology, specifically relating to an optical lens mounting base, including a lens body and a flexible base connected and mounted to the lens body. The flexible base includes flexible connecting posts and a flexible disk connected to the flexible connecting posts, with flexible mounting ears provided on the edge of the flexible disk. The flexible connecting posts include an inner flexible connecting post and an outer flexible connecting post, which are fixedly connected to each other by a first reinforcing rib to form a whole. The flexible disk has an arc-shaped groove. This invention, by incorporating flexible connecting posts, a flexible disk, an arc-shaped groove, and reinforcing ribs, not only ensures the rigidity and stability of the mounting base but also provides good flexible buffering capacity, effectively avoiding lens deformation caused by assembly stress, temperature stress, environmental vibration, and other factors.

The compound motion power tool apron for the lathe comprises a power shell and an installation assembly arranged on the outer wall of the power shell, the installation assembly comprises an accompanying shell, a tool apron body, a clamping table and a transmission assembly, and the accompanying shell is arranged on the outer wall of the center of one side of the outer wall of the tool apron body in a sleeving mode; the eight clamping tables are fixedly arranged at an opening of the outer wall of the tool apron body through bolts, and the transmission assembly is arranged in the power shell. The unique coaxial transmission structure enables the tool apron to be integrally rotated and positioned in an indexing mode, a single tool can be driven to conduct active cutting, the machining range is greatly expanded, the idle tool can be automatically adjusted to be in a horizontal maintenance posture through a built-in driving mechanism, the innovative sealing maintenance assembly can actively approach and adsorb the tool, and the machining efficiency is greatly improved. In-place sealing and rust prevention of the cutter are achieved, the service life is effectively prolonged, the overall structure is compact, transmission has the self-locking characteristic, and precision is ensured.

In this image irradiation device (10), a mirror (40) has: an effective reflection region (42) that controls the reflection of light emitted from an image generation unit (20); and an outer peripheral region (44) that surrounds the effective reflection region (42) over the entire circumference. The outer peripheral region (44) is formed thicker than the effective reflection region (42). As a result, the required rigidity is ensured without significantly increasing the weight of the mirror (40). Furthermore, deformation of the mirror (40) is suppressed, and the optical function of the mirror (40) is maintained. On this basis, the mirror (40) is supported by the first housing (52) or the like in the outer peripheral region (44). Thus, deformation of the effective reflection region (42) is prevented in advance.

The utility model provides a plastic framework filter which comprises a filter assembly, a plurality of positioning columns, a plurality of distance limiting columns and a plurality of line holes, the plurality of positioning columns are arranged on the filtering assembly at equal intervals, and a plurality of positioning holes are formed in the lower surface of the filtering assembly at equal intervals and are arranged opposite to the positioning columns; the distance limiting columns are arranged on the filtering assembly at equal intervals, and the height of the distance limiting columns is smaller than that of the positioning columns; the plurality of wire holes are formed in the filtering assembly at equal intervals. According to the plastic framework filter disclosed by the embodiment of the utility model, the integrity can be improved, the filtering effect is optimized, and the strength and rigidity of the ground invasion filter are ensured.

The utility model relates to a rudder blade mounting device with a rudder fin, which is characterized in that a left operating table and a right operating table are symmetrically arranged on a main platform, the left operating table is in sliding connection with the main platform through a left sliding table, the right operating table is in sliding connection with the main platform through a right sliding table, and a fine adjustment platform is arranged between the left sliding table and the right sliding table; a rudder blade is arranged on the fine adjustment platform, rudder fins are arranged on the two sides of the rudder blade respectively, notch grooves used for containing one ends of the rudder fins are formed in the left operation table and the right operation table, and a walking mechanism is arranged below the main platform. During use, the rudder blade with the rudder fin is effectively operated and mounted through the left and right operating tables which are symmetrically arranged and can slide, and the left and right operating tables are provided with notch grooves for placing the rudder fin, so that the left and right operating tables can be close to the rudder blade at a short distance, and operation and adjustment are facilitated. On the premise that the width of the main platform is not increased, the rudder blade with the rudder fin is effectively installed and operated, the working efficiency is improved, the cost is reduced, and the safety in the operation process is improved.

This application provides a working platform for demolishing concrete structural beams, belonging to the field of building construction technology. Addressing the problems of low efficiency, long cycle, and high cost in demolishing concrete structural beams, this application provides a working platform for demolishing concrete structural beams, comprising two detachably connected platforms, the length of which is the same as the demolition radius. Each platform includes a platform frame, a load-bearing plate, guardrails, and a limiting structure. The platform frame is composed of multiple welded square steel bars and is placed on the upper surface of the concrete structural beam. The load-bearing plate is positioned above the platform frame. The guardrails are welded to the sides of the platform frame and are parallel to the concrete structural beam. The limiting structure, composed of multiple square steel bars and welded to the lower part of the platform frame, is used to clamp and can move relative to the concrete structural beam. This application allows the beam to be demolished to serve as the load-bearing structure of the working platform, eliminating the need for scaffolding. Furthermore, the working platform can be moved while demolishing during construction until the structural beam is completely demolished, improving construction efficiency, shortening the construction cycle, and reducing construction costs.

The utility model provides a seat collision recovery energy-absorbing mechanism and a seat. The seat collision recovery energy-absorbing mechanism comprises a recovery energy-absorbing mechanism, a fixed plate and a movable plate, the moving plate is rotatably connected with the fixed plate, and the moving plate is connected with the seat angle adjuster; the return energy absorption mechanism comprises a lock hole, a spring bolt matched with the lock hole, an energy absorption groove, an energy absorption piece and an energy absorption bolt penetrating through the energy absorption groove and the energy absorption piece, a through hole is formed in the energy absorption piece, under the locking state that the spring bolt is inserted into the lock hole, the movable plate is fixed relative to the fixed plate, and the energy absorption bolt penetrates through the through hole to be connected with the energy absorption piece; in the unlocking state that the lock tongue is separated from the lock hole, the moving plate rotates relative to the fixed plate, and the energy absorption bolt is separated from the through hole and then moves relative to the energy absorption groove to absorb energy. The utility model relates to the technical field of automobile seats, and can solve the problems that an automobile seat return mechanism in the prior art is large in size, poor in static strength and stability, complex in structure and low in collision return speed.

This application provides an automated pneumatic drilling machine, comprising: a frame, horizontally placed on the ground with a base platform at the top; a sliding assembly, including a slide rail horizontally mounted on the base platform and a stamping table slidably mounted on the slide rail; a workpiece, horizontally placed on the stamping table; a pneumatic stamping assembly, suspended above the base, with a stamping plate at one end; and drill bits evenly arranged on the stamping plate. By densely arranging drill bits on the stamping plate and using the pneumatic stamping assembly to drive all drill bits to synchronously press down and drill holes, a single stamping operation can complete the hole positions that would require dozens or even hundreds of steps in traditional equipment. Compared to manual operation, it completely eliminates repetitive positioning time, significantly increasing productivity. The stamping table on the slide rail is driven by a servo motor, and the movement path is programmed and controlled by a PLC control terminal, resulting in high workpiece positioning accuracy and avoiding positional deviations during manual drilling operations.

The utility model discloses a flange inclined hole machining device which comprises a bottom plate, at least four lifting air cylinders are arranged above the bottom plate, output shafts of the four lifting air cylinders are sleeved with sleeves, the upper portions of the four sleeves are jointly and fixedly connected with a circular ring, and a fluted disc is arranged above the circular ring in a sliding fit mode. An electric cylinder is arranged above the fluted disc, a sliding rod is arranged below the fluted disc in a sliding fit mode, an output shaft of the electric cylinder penetrates through a through hole formed in the fluted disc to be connected with one end of the sliding rod, and a first connecting rod and a second connecting rod which are movably connected with each other are arranged between the other end of the sliding rod and the fluted disc. A driving gear and an auxiliary gear of a second motor are meshed with the outer edge tooth part of the fluted disc, so that accurate angle adjustment of the fluted disc is realized; the motor controls the rotation angle of the fluted disc, manual flange position adjustment is avoided, and angle consistency of inclined holes is ensured.

The utility model discloses a magnetic type welding fireproof device which comprises at least two magnetic strips and a connecting strip, the two ends of the connecting strip are connected with the ends of the two magnetic strips respectively, the connecting strip is hinged to a bearing strip, a fixing piece is arranged at the position of a hinge shaft of the bearing strip, and the fixing piece is used for fixing the position of the bearing strip. A bearing ring is fixedly installed on the fixed bearing strip, a fireproof cloth bag is installed on the bearing ring, and the opening end of the fireproof cloth bag is installed on the bearing ring. The magnetic strip is attracted near the welding position, the bearing ring is adjusted to a proper angle through the hinged bearing strip and then is fixed through the fixing piece, the bearing ring is located below the welding seam position, falling sparks are borne, and potential safety hazards are reduced.