221results about How to "Reduce width" patented technology

The utility model discloses a permanent and temporary combined assembly type underground structure plate wall connecting node which comprises an assembly type underground diaphragm wall, a full-length steel plate is installed on the side wall of the assembly type underground diaphragm wall, and a prefabricated structure plate is hoisted on the full-length steel plate. The gap between the prefabricated structural slab and the fabricated underground diaphragm wall is filled with ultra-high-performance concrete, and a steel bar structure is arranged in the ultra-high-performance concrete. According to the utility model, the rigid connection between the two prefabricated parts is realized, the integrity of the structure is improved, and the safety and durability of the underground structure are fully ensured; an underground diaphragm wall which is usually used as a temporary structure is changed into a permanent structure, so that the construction period is shortened, and the investment is saved; the ultra-high performance concrete poured in the joint can greatly shorten the anchoring length of the steel bars, enlarge the arrangement distance of the steel bars, obviously reduce the using amount of the steel bars on site and the binding workload, is convenient to install and simple in process, obviously improves the construction efficiency, and has high popularization and application value.

The purpose of this disclosure is to provide a semiconductor wafer that can suppress the shrinkage of the diameter of the convex shape portion by providing cutouts on the outer peripheral surface and the convex shape portion of the semiconductor wafer, and a method for manufacturing the semiconductor wafer. The semiconductor wafer involved in this disclosure has a first surface and a second surface opposite to the first surface. The first surface has a first main surface and a surrounding surface that surrounds the first main surface via a stepped surface and is recessed from the first main surface towards the second surface. A first cutout is provided in a circumferential portion of the stepped surface connecting the first main surface and the surrounding surface, and a second cutout is provided in a circumferential portion of the outer peripheral surface connecting the second surface and the surrounding surface. The first cutout is in the shape of a positioning edge, and the second cutout is in the shape of a notch.

The utility model belongs to the field of laminating machine, especially relate to a laminating mechanism and laminating machine, including clamp and laminating platform, be provided with the avoidance groove on the laminating platform, the avoidance groove extends along first direction, the avoidance groove has the open end and the closed end opposite in first direction, from open end to closed end, the avoidance groove includes the multiple sub -grooves that link in proper order and the cross section area decreases in proper order, clamp includes base and clamping jaw, the clamping jaw connects base, the shape of clamping jaw is with the shape of avoidance groove adaptation, the clamping jaw is when stretching into avoidance groove, with the clearance fit of avoidance groove. The utility model can reduce the bending deformation of pole piece when stacking.

This utility model discloses a car door assembly and a vehicle, relating to the field of vehicle component technology. The car door assembly of this utility model includes a sheet metal part, a mounting part, and a sealing part. The mounting part is connected to the sheet metal part and includes a first snap-fit ​​portion. The sealing part is used to abut against the door glass and includes a second snap-fit ​​portion connected to the first snap-fit ​​portion, allowing the sealing part to be detachably connected to the mounting part. By using the mounting part for connection, the sealing part is avoided from being directly connected to the sheet metal part, thus eliminating the need for a complex mounting structure on the sheet metal part, reducing the width requirements of the sheet metal part, effectively reducing the overall width of the sheet metal part, further promoting the narrowing design of the B-pillar of the car door, and improving the interior space and vehicle aesthetics.

This invention discloses a cutting device, comprising a support component and a cutting component. The support component includes a first support and a second support, which respectively support the left and right sides of a horizontally placed silicon rod to be processed. A cutting space exists between the first and second tables. The cutting component includes a feed assembly, a cutting frame, a cutting support, and a circular cutting wire. The cutting support is mounted on the feed assembly, and the cutting frame is mounted on the cutting support. The circular cutting wire is wound around an upper cutting wheel, a lower cutting wheel, an upper guide wheel, and a lower guide wheel on the cutting frame. With the aid of the feed assembly, the cutting segment can move along the cutting space to perform slicing operations on the silicon rod to be processed. During operation, the lower horizontal arm moves within the space between the first and second supports. This design makes the entire cutting device very compact, facilitating the parallel or side-by-side arrangement of two cutting devices on a single cutting and grinding machine to improve work efficiency. Furthermore, a cutting and grinding machine using this cutting device is also provided.

A circuit breaker includes at least two parallel circuit breaker poles, each circuit breaker pole including a housing. The housings of all circuit breaker poles are assembled to form an outer casing. Each housing contains an operating mechanism and a contact system. The operating mechanism includes a lever, and the contact system includes a cooperating moving contact assembly and two stationary contacts. The lever and the moving contact assembly are rotatably mounted between a pair of mounting sidewalls of the housing. The circuit breaker also includes at least one linkage member, whose two ends are respectively linked to the lever and the moving contact assembly. When the operating mechanism is driven, the linkage member moves along a plane parallel to the mounting sidewalls on the outer surface of the mounting sidewalls. This invention simplifies the structure of the operating mechanism. Furthermore, each circuit breaker pole has a housing, and the linkage member between the lever and the moving contact assembly is located outside the housing, facilitating modular assembly. The linkage member's range of motion is located on the outer surface of the housing, which helps reduce the overall size.

A method for repairing crack defects in aluminum alloy specimens using a pointed thin-film acoustic electrode, belonging to the field of aluminum alloy specimen repair, includes: (1) determining the crack repair requirements based on the service environment of the aluminum alloy specimen, and determining the required solder according to the repair requirements; (2) ultrasonically cleaning the inside of the crack; (3) ultrasonically repairing the crack to be repaired; first, the specimen is placed on a heating platform for heating. After heating to the specified temperature, the solder is placed inside the crack. After the solder is completely melted, the pointed thin-film acoustic electrode is inserted into the solder, and the ultrasonic treatment is turned on for repair; (4) after the repair is completed, the microstructure and properties of the weld are tested. This repair method is highly operable. The repair process under ultrasonic action can be carried out directly in an atmospheric environment without the need for protective gas or special environment, reducing repair costs and adapting to various complex shapes, small widths, and large depths of cracks.

This invention provides a pump pit structure, an underground water-sealed cavern, and a construction method for the underground water-sealed cavern, belonging to the technical field of underground water-sealed caverns. The pump pit structure includes a top-opening water collection trough and an oil collection trough. The water collection trough includes a sloping trough and a main trough; the sloping trough is connected to the main trough along a downward slope. The oil collection trough is located within the main trough, with its top higher than the top of the water collection trough. By designing the pump pit as a sloping trough and a main trough, the effective volume of the pump pit is divided into two parts. The sloping trough gently slopes downwards along the cavern floor, reducing the vertical wall excavation height of the pump pit while providing most of the effective volume, ensuring efficient and normal operation of the underground water-sealed cavern throughout its entire operating cycle. The main trough is located at the bottom of the sloping trough, with a depth meeting the height requirements of submersible pumps and submersible oil pumps. Compared to traditional pump pits, this design reduces the width of the deepest vertical excavation, lowering the excavation workload and construction difficulty of vertical pump pits.

The utility model discloses a rotary adjustable carbon fiber stock solution spinning assembly, and belongs to the technical field of carbon fiber production equipment. Comprising a spinneret assembly mounting frame, a transverse frame is transversely arranged on the middle section of the spinneret assembly mounting frame, an auxiliary frame is arranged below the transverse frame, a plurality of top plates are arranged at the top of the transverse frame, a plurality of long gooseneck pipe frames are arranged at the top of each top plate, and a front placement plate is arranged on the front face of the auxiliary frame; a plurality of short gooseneck pipe frames are arranged on the front placement plate; by arranging the long gooseneck pipe frame and the short gooseneck pipe frame in an up-and-down crossed mode, more structures used for spinning are installed in a small space, meanwhile, the length of the coagulating bath tank is increased in a matched mode, containing of multiple sets of spinning nozzles is achieved, and therefore the whole working efficiency can be greatly improved; meanwhile, the long gooseneck pipe frame and the short gooseneck pipe frame are rotationally installed through a swing seat and a limiting sleeve, and the maximum rotation angle is limited through a limiting sliding groove and a butterfly bolt.

The utility model relates to a hollow plate hot mark pressing device which is suitable for the field of hollow plate processing. The device comprises a support, two hot-pressing rollers rotating relatively are arranged on the support, a plurality of protruding annular hot-pressing teeth are evenly distributed on the hot-pressing rollers in the radial direction, a hot-pressing mark channel is formed, a motor drives a chain to conduct transmission, continuous machining of the hollow plate is achieved, and efficiency is improved. The hot-pressing roller is hollow to form a heat-conducting oil cavity, the hollow rotating shaft serves as an oil inlet and outlet channel, heat-conducting oil is circularly heated under the action of the conveying pump, the temperature is maintained at 180-220 DEG C, and it is ensured that the indentation quality is stable. A protective shell is arranged at the top of the device, and a feeding port and a discharging port are provided with height-adjustable L-shaped pressing plates, so that the device is suitable for plates with different thicknesses. According to the device, by optimizing the structural design, efficient and accurate hot-pressing mark machining is achieved, the machining quality of the hollow plate is remarkably improved, the service life of the hollow plate is remarkably prolonged, the production cost is reduced, and good market application prospects are achieved.

This invention discloses an optimized method for stator and rotor welding processes in the field of motor manufacturing, comprising the following steps: improving welding quality through pretreatment, coating with modified composite materials, and optimizing laser welding parameters. During pretreatment, the stator and rotor areas to be welded are sanded with 800-1200 grit sandpaper, followed by ultrasonic cleaning with acetone or alcohol for 10-15 minutes to achieve a surface roughness Ra ≤ 1.6 μm; a 0.1-0.3 mm thick layer of modified composite material is coated onto one surface and dried at 80-120°C for 1-2 hours; laser welding is employed, with the molten pool temperature monitored at 1800-2200°C during welding; immediately after welding, the welded parts are placed in a holding furnace at 200-300°C for slow cooling for 2-4 hours, and then cooled to room temperature at a rate of 5-10°C / min. This method effectively improves the strength, toughness, and crack resistance of the welded joint, reduces the heat-affected zone, and minimizes deformation.

This application relates to the field of fastener technology, and more particularly to an anti-tamper screw. It includes: a screw shank, a screw head, and a central island and a groove surrounding the central island on the end face of the screw head away from the screw shank. At least one sidewall of the groove has a first protrusion, reducing the width of the groove at the first protrusion. The screw head is at least partially tapered in a conical shape along the direction away from the screw shank. The first protrusion on the sidewall of the groove reduces the width of the groove at the protrusion. Conventional screwdrivers, because their head width is greater than the width at the protrusion, cannot fully insert into the groove, causing slippage when force is applied and preventing effective screw rotation. The presence of the central island further reduces the effective operating space of the groove, allowing only specialized tools to be inserted and force applied, significantly increasing the anti-tamper threshold.

The utility model discloses an air conditioner indoor unit which comprises a shell. The air opening part comprises a top air opening assembly arranged at the upper end of the shell; the heat exchanger is arranged in the shell and located below the top air duct opening assembly, the heat exchanger comprises a first heat exchange part and a second heat exchange part, one ends of the first heat exchange part and the second heat exchange part are connected with each other, and the first heat exchange part and the second heat exchange part form a V-shaped structure with an opening facing the top air duct opening assembly; the fan component is arranged in the shell and is positioned below the heat exchanger; the water pan is used for receiving condensate water of a heat exchanger and is positioned below the end parts, connected with each other, of the first heat exchange part and the second heat exchange part; during air supply work, air flows through the top air duct opening assembly, the fan component drives the air to enter the shell, and the air exchanges heat with the heat exchanger when flowing in the shell.

The invention provides a back door assembly and a vehicle, and relates to the field of vehicle engineering.The back door assembly comprises a back door outer plate and a back door inner plate, and the back door inner plate is connected with the back door outer plate; the back door inner plate is provided with an upper area, a lower area and a boundary beam arranged around the back door inner plate. The section of the upper area protrudes towards the direction close to the back door outer plate; the cross section of the lower area protrudes in the direction away from the back door outer plate, and at least the cross section of the transversely-arranged edge beam is in a step shape. Thus, the section of the upper area protrudes towards the direction close to the back door outer plate, the width of a window frame opening can be shortened on the premise that the view field is guaranteed, and the rigidity of the area is guaranteed; the section of the lower area protrudes in the direction away from the back door outer plate, so that the distance between the back door inner plate and the back door outer plate is increased, and a large storage space is formed in the back door. Meanwhile, the cross section of at least the transversely-arranged edge beam is in a step shape, and the torsional rigidity and the collision impact resistance of the back door assembly are further improved.

The utility model discloses an L-shaped tab and a soft package battery structure, which belong to the technical field of batteries, the L-shaped tab comprises a battery cell main body and an L-shaped tab, the battery cell main body comprises a side edge sealing area, a top edge sealing area and a naked battery cell, the side edge sealing area and the top edge sealing area are sealed to form a closed space, the naked battery cell is arranged in the closed space, and the L-shaped tab is arranged in the closed space. The side edge sealing area comprises a side seal inner unsealed area and a side seal sealing area, the top edge sealing area comprises a top seal inner unsealed area, a top seal sealing area and a top seal outer unsealed area, and a heat seal sealing area is formed at the joint of the side seal inner unsealed area and the top seal inner unsealed area through heat seal; a notch is cut at the intersection of the top sealing area and the side sealing area, PP glue covers the long tab handle, the PP glue comprises exposed PP glue, the exposed PP glue is arranged outside the outer unsealed area, and the long tab handle, the exposed PP glue and the top edge sealing area are bent to form a top edge L-shaped or top edge side U-shaped edge folding structure. Through the battery structure, the battery length is reduced, and the space utilization rate of the battery structure is improved.

This utility model relates to the field of wastewater treatment technology, specifically to an adjustable screening tank, including a tank body with an inlet pipe and an outlet pipe connected to it. Several sets of slide rails are installed inside the tank body, and water-blocking components are placed on the inner side of the slide rails, dividing the tank body into an inlet zone and an outlet zone. The water-blocking components include a first baffle plate and a second baffle plate distributed vertically, with identical structures. A sludge discharge pump and a ramp are installed at the bottom of the inlet zone, and a water distribution pipe is installed between the sludge discharge pump and the ramp, connected to the inlet pipe. This utility model achieves flexible adjustment of the effective volume of the inlet zone by pulling and engaging the water-blocking components with different sets of slide rails, thereby enabling graded adjustment of the sludge upward flow velocity and improving the adaptability and efficiency of wastewater treatment.

The invention discloses a test method for evaluating the crack repairing performance of self-repairing concrete, which comprises the following steps: placing an embedded steel wire mesh in concrete slurry in a pouring process to adjust the crack appearance position and crack depth, performing crack prefabrication on a concrete test piece by using the pressure of a press machine to obtain a non-penetrating crack, and then performing maintenance; a theoretical impedance model of an equivalent circuit is constructed, a complex error between theoretical calculation impedance and experimental actual measurement impedance is minimized, and an electrochemical impedance spectroscopy equivalent simulation circuit is determined by using a chi-square value smaller than 10 <-3 > order of magnitude. And finally, calculating the self-repairing rate of the concrete test piece at different ages through an impedance value of a component representing a crack part in the equivalent simulation circuit. According to the method, the universality of electrochemical equipment is improved, nondestructive testing can be carried out on the concrete crack repairing effect through different workstations, and technical support is provided for concrete crack self-repairing capacity evaluation.

The application provides a multi-frequency antenna and a communication device. The multi-frequency antenna comprises a reflecting plate, a first radiating unit and a second radiating unit, the first radiating unit and the second radiating unit are arranged on one side of the reflecting plate, and the first radiating unit is located between the reflecting plate and the second radiating unit. The first radiating unit comprises a first radiating part and a metal plate, and the metal plate is located between the first radiating part and the second radiating unit. The second radiating unit comprises a second radiating part and a metal ring, and the metal ring is located between the second radiating part and the metal plate. When the above structure is adopted, the size of the multi-frequency antenna as a whole can be reduced, and the first frequency band and the second frequency band have high isolation, so that the two frequency bands can work independently, the multi-frequency antenna can meet the miniaturization demand of the common antenna surface, the antenna works stably, and the efficiency is high.

The application provides a first-aid hemostasis robot and a control method thereof. The first-aid hemostasis robot comprises a robot main body capable of walking on the ground, a mechanical arm with multiple degrees of freedom arranged on the robot main body, a pressing head and a blocking piece arranged on the mechanical arm, the pressing head is used for pressing and hemostasis of a blood vessel of a bleeding port, the blocking piece is carried by a flexible continuum robot, a front end of the continuum robot is provided with a camera used for collecting information of a bleeding site, the blocking piece can be inserted into the inside of the bleeding port through the continuum robot and expanded after blocking the bleeding port to seal a large blood vessel of the bleeding port. The mechanical arm carries the pressing head and the blocking piece to perform hemostasis on different conditions of large bleeding respectively, if the bleeding is of a split type, the pressing head is used for pressing and hemostasis at a proximal end of an artery bleeding or a distal end of a vein bleeding, if the bleeding is of a broken type, the blocking piece is inserted into a wound through the continuum robot to seal a large blood vessel of the bleeding.

The application provides a rotating shaft device, which comprises a positioning seat and a rotating assembly. The rotating assembly comprises a first rotating mechanism and a second rotating mechanism. The first rotating mechanism and the second rotating mechanism each comprise a rotating piece and a driven piece. The rotating pieces of the two rotating mechanisms are rotatably connected with the positioning part respectively. The driven pieces of the two rotating mechanisms are rotatably connected with the positioning seat respectively. The driven piece and the rotating piece of the first rotating mechanism are slidably connected. The driven piece and the rotating piece of the second rotating mechanism are slidably connected. The linkage mechanism comprises a linkage piece arranged between the driven piece of the first rotating mechanism and the driven piece of the second rotating mechanism. The linkage piece is slidably connected with the driven piece of the first rotating mechanism and the driven piece of the second rotating mechanism through the cooperation of the eccentric shaft and the linkage groove. The application also relates to a folding shell and electronic equipment provided with the rotating shaft device.

The utility model discloses a DFN2510 anti-layering frame, which comprises a DFN2510 frame and connecting ribs formed at the edge of the DFN2510 frame, a step structure is formed at the edge of the long side of the DFN2510 frame, one end of the step structure is connected with the edge of the hollow part on the DFN2510 frame, and the other end of the step structure extends to a connecting rib opening in the middle of the long side of the DFN2510 frame; the pair of step structures is symmetrically arranged on the two sides of the rib connecting opening, so that the rib connecting opening forms a narrowed rib connecting opening through the pair of step structures. The utility model relates to the technical field of semiconductor packaging, and can solve the problem that in the prior art, a DFN2510 frame and an insulating medium layer may have a layering defect during forming and cutting.

The application relates to a method for controlling edge grain defect of oriented silicon steel, characterized in that the method comprises the following steps: coating a set amount of grain defect control slurry in a set range of the inner ring and / or the outer ring of the upper end face and / or the lower end face of an oriented silicon steel coil to reduce the edge grain defect occurrence rate of the oriented silicon steel; and covering the whole end face of the upper end of the steel coil with a metal cover plate on the upper end cover of the steel coil. The method coats the grain defect control slurry in a certain area of the upper and / or lower end face of the steel coil, so that the grain defect control slurry can increase the local interlayer oxidation of the strip steel at high temperature, and then increase the bottom layer reaction, so as to control the width and length of the edge grain defect.

A folding arm support relates to the technical field of engineering machinery and comprises a slewing bearing, a rotary table is fixed at the top of the slewing bearing, a first-stage pitching arm and a first connecting rod are respectively hinged to the rotary table, a second connecting rod is hinged to the position, close to the rotary table, of the first-stage pitching arm, and a first-stage pitching oil cylinder is jointly hinged to the end of the first connecting rod and the end of the second connecting rod. The folding arm frame comprises a first-stage pitching oil cylinder, a first-stage pitching arm and a second-stage pitching oil cylinder, the lever end of the first-stage pitching oil cylinder is hinged to the first-stage pitching arm, a telescopic arm assembly is installed at the end of the first-stage pitching arm in a hinged mode, the telescopic arm assembly is connected with the first-stage pitching arm through a second-stage pitching oil cylinder, and the end of the second-stage pitching oil cylinder is hinged to the telescopic arm assembly and the first-stage pitching arm. The structural layout is more compact, the transverse occupied space is small, and the interference risk generated when a four-connecting-rod mechanism is adopted is avoided.

The utility model relates to battery pack technical field discloses a kind of battery pack and electrical equipment, battery pack includes: border beam, including the first plate part and second plate part arranged along second direction, and the other end of first plate part and the other end of second plate part are interval arranged to form opening;First plate part and second plate part between have cavity with opening communication;Baffle, extend along second direction and connect in the one end of first plate part close to opening;Guard plate, with the one end of second plate part close to opening is connected, and baffle and guard plate form collection cavity between;And sealing element, have avoidance groove;Second plate part has shielding part and the projection along second direction at least part is located in avoidance groove.The battery pack and electrical equipment of the utility model, opening and sealing element overlap arrangement reduce the space required by border beam end face, and by the setting of shielding part, even if size is smaller still can keep sealing effect after sealing element opens avoidance groove and avoids opening.

The utility model relates to the technical field of wiring terminal production, and discloses an automatic drawing die for wiring terminals, which comprises a die set, a drawing die set and a drawing die set, the die set comprises a male die unit and a female die unit, the male die unit comprises a main male die body, and a male die piece is arranged on the main male die body; the female die unit comprises a main female die body, and a female die piece is arranged on the main female die body. An auxiliary male die body is connected to the main male die body in a sliding mode, and a male die side cutting edge is arranged on the auxiliary male die body. An auxiliary female die body is connected to the main female die body in a sliding mode, and a female die side cutting edge is arranged on the auxiliary female die body. And the male die side cutting edge is matched with the female die side cutting edge so as to cut and discharge the wiring terminal which is formed by stretching. According to the utility model, the wiring terminal can be separated from the plate immediately after being stretched and formed, and one-time forming and separation of the wiring terminal are realized, so that additional cutting stations for separating the wiring terminal are not needed, the stations are reduced, the occupied arrangement space is reduced, the processing rhythm is slowed down, and the production efficiency of the wiring terminal is greatly improved.

The application discloses a high-precision quick-switching continuous sandwich plate production line, which comprises a lower plate uncoiling and profiling system, an upper plate uncoiling and profiling system, an upper steel plate transition roller way, a double-track pressure curing machine, a lower roller way, a tracking cutting saw, a cooling bed, a stacking machine, a packing machine, a first mineral wool supply system and a second mineral wool supply system, and the core of the application is that the lower plate uncoiling and profiling system and the upper plate uncoiling and profiling system are installed by exchanging positions, the lower plate uncoiling and profiling system is arranged at the front end of the upper plate uncoiling and profiling system, and part of the upper steel plate transition roller way and the lower profiling machine transverse moving system are cancelled, so that the lower plate uncoiling and profiling system is not interfered by the upper steel plate transition roller way, the plate type can be directly switched by using a crown block to hoist and switch the roller frame assembly of the lower profiling machine, the step of moving the lower profiling machine out of the line to switch the specifications is omitted, the investment cost of the production line is greatly reduced, the use area of the workshop is saved, and the switching of the specifications is more accurate and quick.

The invention relates to the technical field of fire-fighting robots, and discloses a fire rescue robot anti-collision structure based on visual feedback. High-pressure water flushing protection mechanisms are arranged on the two sides of the fire-fighting robot. The high-pressure water flushing protection mechanism comprises a U-shaped pipe, control equipment and a plurality of high-pressure nozzles; the fire-fighting robot is further provided with induction equipment. The sensing device monitors the surrounding environment in real time, when obstacles in the advancing direction are detected, high-pressure water flow is sprayed out in advance through the high-pressure spray head for buffering, and surrounding residual fire is extinguished. The high-pressure water flushing protection mechanism can be rotatably stored, a U-shaped pipe of the high-pressure water flushing protection mechanism is composed of a curved pipe and a rotatable straight pipe, and the conversion between a buffering mode and a fire extinguishing mode is achieved by switching a high-pressure spray head and a diffusion spray head. And an anti-collision fence structure is arranged on the periphery and is linked with the spray head to form a water cushion effect to enhance buffering. According to the robot, collision is actively prevented through visual feedback, multi-mode water spraying and anti-collision fence linkage are combined, and the anti-collision capacity and the fire extinguishing efficiency of the robot are remarkably improved.

The utility model relates to door board transportation storage technical field, concretely relates to a door board transportation storage device. Including frame, the side vertical array fixed setting of frame has a plurality of horizontal arrangement's locating rod. The utility model discloses, respectively inserting the longitudinal beam both ends in corresponding insertion gap, ensure that the baffle and the crossbeam far from the side contact of locating rod, then rotate threaded rod drive slider drive movable frame to move down, make movable support strip under the action of gravity rotate downward around the hinge shaft, until its lower side wall and corresponding locating rod contact, with the upper side wall of fixed support strip jointly constitute an inclined placement plane, movable frame lower end moves to the longitudinal beam below simultaneously, with the baffle cooperation fixes the longitudinal beam on the frame, realized as the quick installation of prefabricated integrated structure's support assembly, through the installation support assembly, can reduce the interval of all placement planes on the adjacent movable support strip simultaneously, make the device suitable for a variety of size's door board.

The application discloses a kind of synergic circulation pressure relief sintering regulation tungsten nickel iron binder phase distribution method, comprising the following steps: taking raw material and mixing according to mass percentage;Mixed raw material is loaded into mould, is placed in discharge plasma sintering equipment, and is sintered under vacuum or inert atmosphere condition;5~20MPa pre-pressure is applied in room temperature to first temperature interval heating process;When mould temperature rises to 1000~1280 DEG C, implement low-frequency stage formula circulation pressure relief-recompression procedure;Subsequently, the pressure is adjusted to 30~65MPa, and is kept at 1300~1500 DEG C for 2~12 min, then cooling, to get fine-grained tungsten nickel iron alloy.The application uses stage formula circulation pressure relief-recompression sintering method, promotes Ni-Fe binder phase repeated redistribution;Reduce the probability of local Ni-Fe binder phase over-wide enrichment and continuous binder phase pool formation;Increase the uniformity of Ni-Fe binder phase width distribution, improve organization consistency;It is favorable to simultaneously improve strength and plastic toughness matching.

The utility model relates to electronic product assembly technical field discloses a kind of electrically-conductive parts mounting equipment, comprising: bearing, including insertion section and exposed section, insertion section is connected with exposed section and is equipped with via, bearing is equipped with cavity and bearing surface, bearing surface is at least partially located insertion section, for bearing electrically-conductive parts, via is through bearing surface, cavity is communicated with via and is through the surface of exposed section;Limit protrusion, be located at the outer circumferential surface of exposed section;Jacking part, insert in cavity, and from exposed section, jacking part has jacking protrusion, jacking protrusion is movably inserted in via.The electrically-conductive parts mounting equipment of the utility model has the advantages of simple operation, electrically-conductive parts is not easy to deviate, yield and production efficiency is high.