19results about How to "Avoid panning" patented technology

The invention provides a glass product manufacturing mold which comprises a bottom mold, a secondary mold, a base and an ejector rod, the bottom mold and the secondary mold jointly define a cavity used for containing molten glass, the bottom of the bottom mold is arranged on the base, and the ejector rod is arranged on the base in a penetrating mode and arranged at the bottom of the bottom mold. The ejector rod can move in the direction close to or away from the bottom of the bottom die, a sliding block and a sliding rail are arranged on the side, away from the cavity, of the secondary die, the sliding rail is arranged on the base, the sliding block is arranged on the sliding rail, the sliding block is fixedly connected with the secondary die, a connecting piece is arranged between the sliding block and the ejector rod, and the ejector rod can move in the direction close to or away from the bottom of the bottom die. The two ends of the connecting piece are connected with the sliding block and the ejector rod respectively. Die opening and die closing are achieved through driving of the ejector rod, and the problem that the die is stuck can be effectively solved.

The utility model relates to a structure for treating permeation stability of a double-layer embankment foundation, which comprises the embankment foundation, an embankment body is arranged above the embankment foundation, a clay inclined wall is arranged on the upstream side of the embankment body, the bottom of the clay inclined wall is connected with the top of a high-pressure-spraying anti-seepage wall, the bottom of the high-pressure-spraying anti-seepage wall extends into an impervious layer, and the bottom of the high-pressure-spraying anti-seepage wall is connected with the top of the high-pressure-spraying anti-seepage wall. The slope toe of the clay inclined wall is provided with a concrete interlocking block and a grouted rubble foot protection part, the top elevation of the concrete interlocking block protection part is higher than the embankment foot backfill ground line, a geomembrane is arranged at the top of the high-pressure-spraying anti-seepage wall and is laid in the geomembrane tooth groove laying direction, and one end of the geomembrane is fixed in the geomembrane tooth groove fixing direction. The embankment body adopts the clay inclined wall, so that the anti-seepage effect is good, and the embankment foundation deformation adaptability is high. The high-pressure spraying anti-seepage wall is adopted in the embankment foundation, seepage can be effectively blocked, the seepage path can be effectively prolonged, and seepage damage is prevented.

The interlocking wave-breaking slope protection structure of a dam belongs to the technical field of water conservancy engineering. The surface layer of the interlocking wave-breaking slope protection structure of the present invention is composed of wave-breaking interlocking slope protection structure components arranged in a horizontal or vertical interlocking manner. The main wave-breaking cavity and the interlocking wave-breaking cavity of the wave-breaking interlocking slope protection structure constitute a slope wave-breaking cavity group, and the horizontal water passages, vertical water passages and interlocking water passages interconnected therewith together constitute a dam slope wave-breaking and water-falling system. The present invention solves the wave-breaking problem of the dam slope protection structure. The slope wave-breaking cavity group can timely and effectively absorb waves and reduce the height of waves; the slope wave-falling water system can quickly discharge the wave-falling water and introduce it into the lower water body of the wave area of ​​the bank slope, and timely vacate the wave-breaking cavity to prevent the particles on the dam slope from being washed away. The present invention has good wave-breaking effect and is convenient for construction, and can be widely used in the field of slope protection of river embankments and earth-rock dam projects.

The application discloses a chuck assembly and a semiconductor device, relates to the technical field of semiconductor devices, and comprises a chuck and one or more shaft cylinders, wherein the last shaft cylinder of the plurality of shaft cylinders or one shaft cylinder is connected with the chuck, the inside of each shaft cylinder is provided with a central hole, the central hole is provided with a balance mass and an elastic damping piece, and the elastic damping piece is sleeved with the balance mass to form a balance mass-spring-damping system. The chuck assembly is sleeved with the balance mass through the elastic damping piece to form the balance mass-spring-damping system, the balance mass-spring-damping system generates reverse vibration matched with the vibration of the chuck, micro-vibration generated between the disc surface of the chuck and the contact surface of the substrate is inhibited, generation of friction particles is reduced, stability and cleanliness of a core area of a process environment are improved, process quality of a deposited film is improved, and the needs of high-end processes for extremely low defect rate and ultra-high uniformity of the deposited film are met.

The invention discloses a flexible reciprocating conveying mechanism, which relates to the technical field of automobile automated manufacturing, and comprises a vehicle body lifting and conveying unit, a servo motor transmission unit, a vehicle body laser detection unit, an NC fixture unit and a PLC control unit; a transmission gear of the servo motor transmission unit meshes and transmits with a transmission rack of the vehicle body lifting and conveying unit, the transmission rack is connected with a slide, and drives the slide on the vehicle body lifting and conveying unit to slide forward and backward; the vehicle body laser detection unit is used for scanning and detecting the data of an imported whole vehicle body; the PLC control unit retrieves the corresponding operation program according to the imported vehicle model data, controls the vehicle body lifting and conveying unit to lift the whole vehicle body through the lifting components on the slide, and transports the whole vehicle body to a corresponding work station, the NC fixture unit at the work station is used for lifting the whole vehicle body, and cooperates with the operation procedure at the corresponding work station to perform the operation, thereby solving the problems of large accuracy variation, low stability and low vehicle model import compatibility of existing conveying equipment.

The utility model relates to the technical field of light plate hot-pressing production feeding, and discloses a feeding device for light plate hot-pressing production. The device comprises a device main body frame, a plurality of rotating shafts are rotationally installed in the device main body frame, a first motor is fixedly connected to one side of the device main body frame and is in transmission connection with the rotating shafts, rotating sleeves are fixedly connected to the rotating shafts, a conveying belt is arranged on the rotating sleeves in a sleeving mode, and the conveying belt is fixedly connected with the first motor. A [-shaped frame is fixedly connected to the equipment main body frame, L-shaped connecting blocks are fixedly connected to the two sides of the [-shaped frame, and a plurality of electric telescopic rods are fixedly connected to the two L-shaped connecting blocks. When the device is used, light plates with different sizes can be clamped and fixed, the light plates are prevented from translating during conveying, the influence of translating of the light plates on operation of the device is avoided, and hidden dangers caused by translating of the light plates during working are avoided.

The present application relates to the field of ecological revetment in the field of hydraulic engineering, and particularly relates to a riprapping ecological revetment system suitable for water level drawdown. The system comprises an ecological soil base layer, a filter layer, a riprapping revetment, a simulated wood pile scour protection belt and a planting groove; the ecological soil base layer has a compaction degree of greater than or equal to 93%, providing a dense support; the filter layer ensures smooth seepage and prevents soil loss; the riprapping revetment is formed by stacking large-diameter block stones according to gradation, forming a rigid skeleton resistant to scour; the planting groove is fixed in the riprapping structure, providing space for vegetation and anchoring the surface riprapping. The present application forms a closed-loop protection system through the cooperation of the five, effectively solving the problems of traditional riprapping revetment, such as easy scouring and instability during water level drawdown, and high maintenance cost, and has the advantages of scour resistance, ecology and universality, and is suitable for water level rapid rise and fall scenes such as regulating and storing lakes, reservoir drawdown zones, tidal river shorelines and the like.

The invention belongs to the technical field of hydraulic machines, and discloses a high-speed forging and pressing vertical hydraulic machine which comprises a machine body and a placing table, a hydraulic arm is movably installed in the machine body, the outer surface of the hydraulic arm is fixedly sleeved with a sleeve plate, and a protection assembly and a pushing assembly are movably sleeved with the placing table. The pushing assembly controls the protection assembly to move up and down. Through cooperation of the pushing assembly, the protection assembly and the sleeve plate, in the forging descending period, the protection assembly is automatically pushed to move upwards, the outer side of a workpiece in a forging area is protected, the ejection risk caused by workpiece fragmentation is effectively avoided, ejected crushed materials are blocked and protected through the protection assembly, and the safety of the workpiece is improved. And meanwhile, the protection assembly actively extends out for protection only before the pressing block is forged, and automatically resets and hides after the forging process is finished, so that on one hand, the forging state of the workpiece is observed, on the other hand, active hiding of the protection assembly is achieved, space occupation is avoided, and the use effect is good.

The invention discloses a pasting type portable packaging box assembling device accurate in positioning, and belongs to the technical field of packaging boxes. The pasting type portable packaging box assembling device comprises a feeding positioning assembly; a clamping conveying assembly is arranged at the discharging end of the feeding positioning assembly; the clamping and conveying assembly comprises a conveying belt, a first supporting frame, a second transverse plate, a first inclined plate, a roller, an L-shaped plate, a first spring, a bottom plate, a first pressing plate, a stop block and supporting straight blocks, the supporting straight blocks are connected to the outer wall of the conveying belt of the conveying belt at equal intervals, the bottom plate is fixedly connected to the tops of the supporting straight blocks, and the stop block used for stopping materials is fixedly connected to the middle end of the top of the bottom plate; the bottom plate is in attached sliding connection with the vertical portion of the L-shaped plate through the straight sliding hole, a first spring is fixedly connected between the transverse portion of the L-shaped plate and the bottom of the bottom plate, and the first spring is arranged on the outer side of the vertical portion of the L-shaped plate in a sleeving mode. By means of the mode, the multiple sets of clamping and conveying assemblies clamp paperboards, the paperboards are prevented from horizontally moving when moving, the paperboards can be conveniently moved to the corresponding positions according to requirements, and actual use is facilitated.

The utility model relates to a vehicle detection system which comprises a parking garage, an opening and closing door is arranged on one side of the parking garage, four limiting areas are arranged on the bottom wall of the parking garage in a matrix mode, each limiting area comprises a plurality of penetrating holes formed in the bottom wall of the parking garage in a matrix mode, and the vehicle detection system further comprises a machine box. In an initial state, four groups of multiple blocking rods do not protrude out of through holes, the opening and closing door is opened, a vehicle runs into the parking garage, four hubs of the vehicle are stopped on four limiting areas, the hubs and the limiting areas are in one-to-one correspondence, two driving mechanisms are driven to start working according to the size of the vehicle, and the driving mechanisms drive moving blocks to slide along sliding rails; the lifting mechanism drives a plurality of blocking rods on the lifting mechanism to penetrate out of the penetrating holes, and the four sets of blocking rods limit and block four hubs of a vehicle, so that the problems of unbalance loading and translation in the moving process of the parking garage are effectively prevented.

The application belongs to the technical field of wood processing tools and discloses a wood multidirectional cutting guide plate with a positioning scale, which comprises a guide plate main body, a mounting groove is formed in the side surface of the guide plate main body, and a ruler is inserted and mounted in the mounting groove. The positioning protrusion of the positioning column cooperates with the positioning gap in the convex column positioning groove, can be directly clamped into the gap corresponding to the preset angle, and mechanical positioning is realized. This structure does not need manual repeated measurement, controls the angle error in the mechanical tolerance range, can quickly switch various cutting angles, solves the problem of the traditional mode of "depending on experience and large error", cooperates with the length positioning of the ruler, can complete straight line cutting, can realize 45° bevel cutting, arbitrary angle mortise and tenon cutting and the like, covers the diversified needs of furniture manufacturing, decoration and the like scenes, breaks through the limitation of the traditional guide plate "single function", meanwhile, the plug-in connection of the positioning column and the positioning groove limits rotation, the magnet adsorption cutting platform prevents translation.

The utility model relates to the technical field of earth and rockfill dams, in particular to a protection structure for preventing overtopping and dam breaking of a valley type flexible landfill earth and rockfill dam, which comprises a dam body, a concrete pavement is arranged at the top end of the dam body, a wave wall is arranged on one side of an upstream area of the dam body, and a cushion layer is arranged on an upstream dam slope of the dam body. A face plate is laid on the outer wall of the cushion layer, an anti-scouring layer is arranged on the downstream dam slope of the dam body, the outer side of the wave wall is of an arc-shaped structure, and therefore water wave impact force can be effectively weakened, the face plate is conveniently laid on the cushion layer, the face plate is a concrete layer, the slope protection strength and the anti-scouring performance are improved, the anti-scouring layer comprises a base layer, and connecting ribs are conveniently fixed to the base layer. A plurality of concrete blocks and a plurality of connecting ribs are adhered and fixed, laying is convenient, a good anti-scouring effect is achieved, the anti-scouring edges are arranged at the bottom of the downstream dam slope of the dam body, flood flow is prevented from directly impacting a downstream foundation after flowing down from the dam slope, scouring is prevented, the resistance of the earth and rockfill dam to overtopping flood is improved, and dam break is prevented.

The present invention belongs to the field of control systems, and specifically relates to a nano-radian-level space gravitational wave detection beam pointing control system and method. The system includes a pointing mechanism controller, a pointing mechanism and an advance aiming beam monitoring unit; the input end of the pointing mechanism controller is respectively connected to an external host computer, a pointing mechanism and an advance aiming beam monitoring unit, and the output end is connected to the pointing mechanism. The pointing mechanism controller receives the pointing input signal sent by the host computer, the displacement feedback signal sent by the pointing mechanism and the pointing error signal sent by the advance aiming beam monitoring unit, obtains the pointing control signal according to the received signal and outputs it to the pointing mechanism; the pointing mechanism performs beam pointing control according to the pointing control signal and obtains the displacement feedback signal; the advance aiming beam monitoring unit detects the beam pointing and obtains the pointing error signal. The present invention adopts the advance aiming beam monitoring unit as the precision pointing control closed-loop feedback, which can realize the nano-radian-level angle deviation measurement.

The invention belongs to the technical field of fans, and discloses a fan shell, an air blower assembly and a vehicle air conditioning system, and the fan shell comprises a mounting shell, a heat dissipation piece and a damping assembly. The mounting shell is provided with a plurality of limiting grooves and is provided with a mounting space for mounting the stator and rotor assembly; the heat dissipation piece comprises a heat dissipation plate located in the installation shell, and the edge of the heat dissipation plate is provided with a plurality of fixing parts. The damping assembly comprises a plurality of damping parts which are arranged at intervals in the first direction, the damping parts are correspondingly arranged in the limiting grooves, and the ends of the damping parts in the first direction, the ends of the damping parts in the second direction and the ends, away from the axis of the mounting shell, of the damping parts abut against the groove walls of the limiting grooves. Pocket grooves are formed in the ends, facing the central axis of the mounting shell, of the damping pieces, the pocket grooves of the damping pieces correspond to the fixing parts one to one, and each fixing part is limited in the corresponding pocket groove. The fan shell, the air blower assembly and the vehicle air conditioning system can have low noise.

The utility model belongs to the technical field of automobile welding fixture, concretely, the utility model relates to a quick overturning step platform of automobile welding fixture, a quick overturning step platform of automobile welding fixture, including the fixture main body, be provided with overturning structure on the fixture main body, be provided with support platform on the overturning structure, when needing to use support platform to carry out the welding operation, the operator will be in the vertical state support platform and turn down around the pivot, until support platform presents the horizontal state first support plate and second support plate respectively with support platform bottom abut, provide firm support for support platform. Subsequently, the first bolt is inserted into the first connecting hole and the second connecting hole, realizes the fixation of support platform and second support base, and the operator can stand on the support platform safely and weld the top of the car body.

The utility model belongs to the field of quality inspection equipment, specifically is a kind of quality inspection equipment for optical lens processing, including base;The upper end of the base is connected with air float clamp, the outside of air float clamp is connected with adjusting assembly, the upper end of the base is connected with quality inspection assembly;The air float clamp includes disc, the disc is fixedly connected at the upper end of base, the outside of disc is fixedly connected with ring one;By setting air float clamp, when carrying out quality inspection to optical lens, open air pump, air pump will compressed air pass through gas pipe, main pipe, communicating pipe, finally respectively input each annular pipeline, finally from jet pipe spouts, the airflow formed air film can be placed on its optical lens suspended support, to optical lens play the role of supporting positioning, it is convenient to carry out quality inspection to optical lens, and will not directly form contact with optical lens, prevent because mechanical clamping easily scratch mirror surface coating.

A blade assembly for securing a blade to a slicer, a slicer equipped with the blade assembly, and a method for operating the blade assembly to secure the blade to and release it from the slicer. The blade assembly includes a blade holder with a blade support surface, a blade supported on the blade support surface, and a clamp having a base portion adjacent to the rear edge of the clamp and a blade engagement portion adjacent to the front edge of the clamp. The blade assembly applies a clamping force to the clamp to secure the blade to the blade holder. The clamp is prevented from translating relative to the forming blade in the forward direction of the blade assembly when the clamping force is applied, and / or allows the clamp to be removed by translation in the forward direction.

A cylinder cover locking mechanism of a wet type granulator comprises a material cylinder and a cylinder cover, a cylinder cover supporting rod is arranged on the cylinder cover, a cylinder cover circumferential rotating shaft is arranged on one side of the cylinder cover supporting rod, a first air cylinder support used for installing a first air cylinder is arranged at the upper end of the cylinder cover circumferential rotating shaft, and a second air cylinder support used for installing a second air cylinder is arranged at the lower end of the cylinder cover circumferential rotating shaft. A connecting unit arranged on the cylinder cover circumferential rotating shaft is hinged to an output shaft of the second air cylinder so as to drive the cylinder cover circumferential rotating shaft to rotate under execution of the second air cylinder, a third air cylinder is arranged on the second air cylinder support, and a locking inserting rod is arranged on an output shaft of the third air cylinder. And a locking insertion hole combined with the locking insertion rod is formed in the connecting unit, so that the cylinder cover circumferential rotating shaft is prevented from rotating when the locking insertion rod and the locking insertion rod are combined. The utility model has the beneficial effects that the complete covering of the cylinder cover is ensured, that is, the interior of the material cylinder is always kept in a closed state, so that the vacuum requirement of some high-molecular raw materials can be met, and the raw materials can be prevented from permeating out of the material cylinder.