316 results about "Face structure" patented technology

The invention discloses a positioning fixture for fixing an end face structure of an optical fiber splice closure, comprising a fixed clamp, where a movable clamp is connected to the fixed clamp, a locking component is disposed between the fixed clamp and the movable clamp, the fixed clamp is provided with a first groove, the movable clamp is provided with a second groove, and the first groove and the second groove cooperate to form a circular annular slot, where a slot width of the circular annular slot is greater than a thickness of the circumferential flange, the first groove and the second groove are both provided with feature lug bosses that are distributed at intervals along their respective circumferential directions and used for clamping with the circumferential flange.

The embodiment of the invention provides an arc welding seam extraction method, electronic equipment and a storage medium, and relates to the field of welding seam recognized.The method comprises the steps that a to-be-detected workpiece point cloud is collected, a rotation matrix and a translation vector of the to-be-detected workpiece point cloud are determined, and a three-face structure list and a two-face-only structure list in the to-be-detected workpiece point cloud are determined, the three-face structure list comprises concavity and convexity of each three-face structure, the only-two-face structure list comprises concavity and convexity of each only-two-face structure, based on a cylindrical surface structure screening algorithm, based on a rotation matrix and a translation vector, an arc welding seam of a to-be-detected workpiece point cloud is extracted from the three-face structure list and / or the only-two-face structure list, and the arc welding seam of the to-be-detected workpiece point cloud is obtained. A specific arc welding seam can be extracted, and the accuracy of arc welding seam recognition is improved.

The utility model belongs to the technical field of casting dies, and particularly relates to a machining die for metal castings, which comprises a base, a radiating module is arranged above the base, two liftable lower die holders and an upper die holder are respectively arranged above the base, two sides of the upper die holder are provided with die cavities, and the die cavities are communicated with the radiating module. The upper die holder is fixed on the base, the upper die holder is matched with the two lower die holders through overturning, a mounting frame is fixed on the base, the heat dissipation modules are mounted on the mounting frame, the number of the heat dissipation modules is two, the heat dissipation modules directly face the lower die holders and the upper die holder, and a supporting plate is arranged on the base; firstly, the upper die base is arranged to be of a double-face structure to be matched with the two lower die bases, the pouring efficiency can be guaranteed, the temperature of a die plate which is not subjected to die casting can be lowered to the proper temperature, and therefore the die casting efficiency and efficiency of each time are guaranteed; and the lifting lower mold base is matched with the demolding plate, so that the demolding work of the part is facilitated, and the purpose of improving the working efficiency is achieved.

The invention discloses an aero-engine double-rotor complete machine simulation tester considering foundation impact, and belongs to the technical field of aero-engines, the aero-engine double-rotor complete machine simulation tester comprises a drop table, a foundation platform is arranged on the drop table, the foundation platform comprises a first platform and a second platform, a supporting assembly is installed on the foundation platform, and a force bearing structure is installed on the supporting assembly. The force bearing structure comprises a rear force bearing case, one side of the rear force bearing case is connected with a turbine case, one side of the turbine case is connected with a combustion chamber case, one side of the combustion chamber case is connected with an intermediate case, and one side of the intermediate case is connected with an air inlet force bearing case. According to the aero-engine double-rotor complete machine simulation tester considering the foundation impact, segmented design is adopted, the aero-engine double-rotor complete machine simulation tester has the thin-wall characteristic, circumferential bolt connection is adopted, a connecting face structure serves as a reinforcing rib, vibration loads can be effectively transmitted, and research and analysis of a transmission path are facilitated; and a mouse cage elastic support is adopted to reduce the supporting rigidity at the mass concentration turntable so as to adjust the critical rotating speed to reach a safe range.

The utility model discloses an anti-blocking screening mesh surface structure for screening gravel. The anti-blocking screening mesh surface structure comprises a screening surface with screening holes; hole adjusting bulges are arranged on the axial outer surfaces of the rolling rods, and the rolling rods correspond to the sieve holes which are longitudinally distributed in the same row on the sieve surface; the vibrating screen further comprises a mounting frame with mounting grooves, and the left side and the right side of the screen face are mounted in the mounting grooves of the mounting frame through elastic pieces capable of generating elastic deformation. When the screen holes are blocked by blocking objects, the side edges, away from the screen face, of the electric telescopic rod A and the electric telescopic rod B do not clamp the screen face any more, the screen face is supported in the mounting frame through the elastic pieces, rolling rods rotate to drive hole adjusting protrusions to jack up the blocking objects, the screen face is buffered through the elastic pieces at the moment, and the situation that the blocking objects are jacked up by the hole adjusting protrusions excessively rigidly, and the screen face is damaged is avoided. The problem that in the jacking process of a fixing rod, excessive hard jacking is likely to be generated on a screen, and consequently damage is caused is solved.

The invention discloses a welding device for inhibiting welding deformation of a box body of an electric appliance switch cabinet, and belongs to the technical field of welding, the welding device comprises a rack, rotation driving parts are arranged on the two sides of the rack, a welding platform is rotatably connected between the rotation driving parts on the two sides, and the welding device further comprises at least two flexible limiting mechanisms arranged on the two sides of the welding platform, the flexible limiting mechanism comprises a containing frame rotationally arranged at the top of the welding platform, supporting frames are arranged on the two sides of the top of the containing frame, a plurality of limiting rods capable of being flexibly adjusted are arranged on the supporting frames in the length direction in an array mode, and the to-be-welded component is limited through avoiding of the limiting rods. According to the non-rigid supporting device, by arranging the flexible limiting mechanism, flexible abutting connection of the outer walls of the plates in different shapes can be achieved, the limiting rod can be attached to the special-shaped face structure in a self-adaptive mode after limiting of the pressing block is relieved, non-rigid supporting of the thin-wall part is completed, it is guaranteed that welding positioning is stable, and stress concentration caused by rigid clamping is avoided.

The utility model discloses a multipurpose diamond grinding disc which comprises a grinding disc base plate, a diamond grinding block is arranged on the surface of one side of the grinding disc base plate, a clamping hole is formed in the middle of the grinding disc base plate, a grinding disc base seat is arranged on the other side of the grinding disc base plate, an installation groove is formed in one side of the grinding disc base seat, and the grinding disc base plate is arranged in the installation groove. An assembling mechanism is arranged in the middle of the abrasive disc base, the clamping holes penetrate through the assembling mechanism, heat dissipation mechanisms are arranged among the abrasive disc base, the abrasive disc base plate and the diamond grinding blocks, the abrasive disc base is of a disc-shaped structure, and the outer circumference of the abrasive disc base on the outer side of the mounting groove is of a cutting face structure. By arranging a series of structures, the abrasive disc base plate and the abrasive disc base are convenient to disassemble and assemble, the damping performance of the abrasive disc is improved, the abrasive disc base is convenient to install, the heat dissipation fins are matched with the through holes and the heat dissipation clamping grooves in the abrasive disc base plate, the heat conduction performance of the heat dissipation fins is utilized, the heat transfer and heat dissipation speed of heat of the abrasive disc base plate and the diamond abrasive blocks is increased, and the service life of the abrasive disc is prolonged. And heat dissipation of the abrasive disc is facilitated.

The utility model relates to the technical field of easy-open lid production, and discloses a foaming drawing die and stamping equipment comprising the foaming drawing die. A foaming drawing die comprises an upper die core and a lower die core, the lower die core comprises a stamping column, and a stamping hole corresponding to the stamping column is formed in the upper die core; the stamping column is provided with a column side face and a column top face, a first connecting face structure is arranged between the column side face and the column top face, the stamping hole comprises a hole side face and a hole top face, and a second connecting face structure corresponding to the first connecting face structure is arranged between the hole side face and the hole top face. The side wall of the protruding part is smoothly connected with the top. The easy-to-pull lid has the beneficial effects that the material bending degree between the side wall and the top of the protruding part is reduced, so that the situation that paint falls off after stamping foaming is reduced or avoided, the easy-to-pull lid product still has high corrosion resistance and rust resistance, and the quality of the easy-to-pull lid is improved.

The utility model discloses a packaging box for a channel in a front bottom plate in the technical field of packaging boxes, and aims to solve the technical problems that in the prior art, the utilization rate of packaging space of the channel in the front bottom plate of an automobile is low, and the channel is prone to being scratched and damaged in the storage and transportation process. The packaging box comprises a packaging box body, the top face of the packaging box body is concaved inwards to form a cavity matched with the bottom face structure of a channel in the front bottom plate, and at least two of a flanging supporting face, a longitudinal beam supporting face and a concave portion supporting face are arranged in the cavity. And the flanging supporting surface, the longitudinal beam supporting surface and the concave part supporting surface are respectively matched with the flanging, the longitudinal beam and the concave part bottom surface of the channel in the front bottom plate.

The utility model provides a camping hand buggy which comprises a frame structure capable of being gathered together, the frame structure comprises vertical rods, a bottom face structure, a wheel assembly and a telescopic cross connecting rod structure, and the telescopic cross connecting rod structure is suitable for being unfolded and supported between the two vertical rods to form a side face structure. Comprising a first connecting end suitable for being connected to the top end of the vertical rod through a first transmission structure, the first transmission structure comprises a first rotating part, a first sliding part and a limiting plane formed on the top of the first transmission structure, the first rotating part and the first sliding part are relatively and fixedly connected, and the limiting plane is perpendicular to the first sliding part; the first connecting end is suitable for driving the first sliding part to be in reciprocating sliding fit with the vertical rod in the vertical direction. The cross connecting rod structure is connected to the top ends of the vertical rods through the first transmission structure, the size of the frame structure in the vertical direction after gathering can be reduced, the first transmission structure comprises the limiting plane, a regular structure defined by the four vertical rods can be formed, and storage and carrying are convenient.

The utility model relates to the field of self-service, and discloses an outward-opening type service machine shell structure which comprises a shell body in the middle, and an outer door structure and an inner door structure are arranged on the shell body. The outer face structure comprises a first outer door on the upper portion and a second outer door on the lower portion, the first outer door and the second outer door are connected through a hinge structure, the hinge structure is a hinge structure, the first outer door and the second outer door are of outward opening type door structures, the door structure on the back face is a first inner door, the first inner door is closed on the back face of the shell body, and the first inner door is of an outward opening type structure. The shell is of a multi-door structure, and the multi-door structure can facilitate maintenance and overhaul of parts in an unrecognized area.

The invention relates to the technical field of cable plugging, in particular to a quick cable plugging mechanism of an electric chain hoist, which comprises a base, a first shell is symmetrically and fixedly mounted on the base, a plurality of male pins are mounted at one end of each shell, a second shell is arranged on one side of each first shell, a plurality of female pins are arranged in each second shell, and the male pins are connected with the female pins. A clamping groove is formed in a square block of the first shell, a clamping block of the second shell is designed to be of an inclined face structure, the clamping block can rapidly and automatically slide into the clamping groove in the inserting process, rapid positioning inserting can be achieved through an inclined face, a T-shaped block of the anti-disengaging mechanism can rapidly enter or be disengaged from a T-shaped groove, and therefore the clamping block can be rapidly inserted into the clamping groove. The quick and stable plugging between the first shell and the second shell is realized, the fixation between the first shell and the second shell is realized in the transverse direction and the longitudinal direction by utilizing the characteristics of the T-shaped block and the T-shaped groove, and the loosening of the plugging mechanism caused by vibration in the working process is avoided.

The utility model discloses a front face structure for a vehicle and a mining dump truck. The front face structure comprises a framework, a mesh panel, a hinge assembly and a lock assembly. The framework is formed by splicing and welding a plurality of steel pipes; the mesh panel covers the framework, the geometric outline of the mesh panel is the same as that of the framework, and the mesh panel and the framework form an integrated front face main body; the hinge assembly is installed at the bottom of the front face body and fixed to a frame through a connecting piece, on one hand, the front face body is supported by the hinge assembly, and the other face of the front face body can turn over up and down around a hinge point in the hinge assembly. The lock assembly is installed on the top of the front face body and used for opening and closing the front face body. The problems that the front face is inconvenient to disassemble and assemble and defects are caused by repeated disassembly and assembly are solved through a lock hinge fixing mode; the front face of the whole vehicle is designed into a whole, so that the problems of non-uniform and inconsistent gaps after the front face is spliced and the like are solved; a large-area mesh plate is adopted as a surface skin to solve the problem that heat dissipation of heating parts in a vehicle body is difficult.

The utility model relates to the technical field of conductive bands, and solves the problem that the conductive band is inconvenient to adaptively adjust according to conductive band coils with different widths when being used by a user. The adjustable conductive band winding wheel comprises a disc body, the disc body comprises a left wheel disc and a right wheel disc, an inner disc is installed between the left wheel disc and the right wheel disc, the left wheel disc and the inner disc are detachably installed, and the inner disc is provided with a limiting clamping block set used for limiting a conductive band coil. The limiting clamping block set comprises a first clamping block and a second clamping block which are installed on the inner disc, the distance between the first clamping block and the second clamping block is elastically adjusted under the action of the left wheel disc, the first clamping block and the second clamping block are of the same structure and are symmetrically arranged front and back, and the end face structure of the first clamping block is flush with the disc face of the inner disc. The second clamping blocks protrude out of the disc face of the inner disc when no acting force exists, and each first clamping block comprises a block body, a first clamping groove formed in the block body and a second clamping groove formed in the first clamping groove.

The utility model provides a movable slide pushing mechanism which comprises a rack, a table plate installed in the middle of the rack and material placing frames arranged on the two sides of the rack and used for placing slides in a stacked mode, the rack is further provided with two sets of pushing mechanisms for sequentially guiding the slides on the material placing frames to the table plate, the two sets of pushing mechanisms correspond to the material placing frames on the two sides, and the two sets of pushing mechanisms correspond to the material placing frames on the two sides. The bottom, facing the platen, of the discharging frame is provided with an open groove for moving out a single slide. The movable push block is rotationally installed on the rotating block through a shaft rod, when materials are pushed, the movable push block abuts against a slide at the bottom of the discharging frame and pushes the slide to be transferred to the table plate, and when the movable push block resets, the movable push block can rotate under the action of pressure so as to reduce the height of the movable push block, and therefore the slide can be prevented from being scratched. The upper end face of the movable push block is of an inclined end face structure and can be in buffer contact with a slide at the bottom of the discharging frame in the reset process, so that the upper end of the movable push block is gradually extruded, and the movable push block can stably rotate.

The present application provides a kind of based on face structure keeps distillation network face image super-resolution method and system, belong to face image super-resolution field, including: acquisition low-resolution face image and carry out upsampling, obtain pseudo high-resolution image;Constitute shallow layer down-sampling residual module, obtain shallow layer feature;Constitute efficient face keeping distillation module, input shallow layer feature carries out depth extraction and feature refining, obtain depth feature;Constitute deep layer up-sampling residual module, to depth feature carries out step-by-step refining feature, obtain refined face feature;Constitute face image reconstruction module and carry out convolution operation, obtain high-resolution face image, and construct overall loss function, optimize network parameter and obtain training model, update high-resolution face image;Constitute face image super-resolution test module, according to training model test data is tested, obtain qualified model.The present application improves the quality of face image reconstruction while maintaining lower computational complexity.

The utility model discloses a face structure of pet toy belongs to pet toy technical field, including toy main part and the toy head of rotation setting in one side of toy main part, rotation setting has toy face on the toy head, and the toy head rotates through drive mechanism and drives toy face, both ends of toy face all have the plush layer positioning piece of integrated forming, and the inner wall fixed bonding of toy face has touch sensor, wherein the communication module is fixed in the toy face, the face structure of this pet toy rotates through the drive shaft and is installed axle and toy face through the steering wheel in the toy head, and the touch sensor is embedded in the toy face, and the motor is started through the touch sensor and makes the toy interesting, and the pet owner can actively interact with the pet and also can play alone, and the pet reaches the purpose of exercise in the playing process.

The invention relates to the technical field of special cutters for helical hole milling, and discloses a composite hole-making milling cutter designed based on curved surface microstructure wear resistance-cooling fusion variable gradient characteristics. Wherein the main body structure comprises a cutter bar, a neck part and a cutter head which are coaxially connected in the axial direction; the tool bit comprises a front tool face and a combined type rear tool face structure, wherein the combined type rear tool face structure comprises a first rear tool face adjacent to the cutting edge and a second rear tool face located on the rear portion. Variable gradient curved surface microtextures are arranged on the surface of the first rear tool face, and the depths of the variable gradient curved surface microtextures are gradually increased in a gradient mode in the normal direction of the cutting edge to form a curved surface microtexture array; and inner-cooling round through holes are respectively formed in the two second rear cutter surfaces which are distributed at intervals in the circumferential direction. The surface micro-texture gradient design and internal cooling are combined, that is, the wear-resisting body and the cooling body are fused, function fusion of friction control and efficient cooling is achieved, and meanwhile structural interference is avoided.

The present invention relates to a connection sealing assembly for helium sealing test of a high-pressure oil rail, comprising a pressure measuring end joint, a vent hole is provided in the middle of the pressure measuring end joint, a mounting hole communicating with the vent hole is provided in the middle of the outside of the pressure measuring end joint, an airtight plug is provided in the mounting hole to seal it, the airtight plug is a large end face structure, and its inner end face is a flat end face, and the inner end face of the airtight plug is sealed with the outer end face of the pressure measuring end joint. The present invention changes the structure of the airtight plug and sets it as a large end face structure, changes the original bottom of the mounting hole as a sealing surface to the inner end face of the airtight plug and the outer end face of the pressure measuring end joint as the sealing surface, and guides the force to the outer end of the pressure measuring end joint, thereby avoiding excessive pressure from damaging the bottom conical surface of the pressure measuring end joint made of a softer material in the mounting hole.

The utility model relates to the technical field of installation structures, in particular to an installation face structure of a spray gun base and a spray gun support. The quick-change disc is mounted on the mounting groove, the lower end of the quick-change disc is rotationally connected with a spray gun base, and the size of the spray gun base is matched with that of the mounting groove; the supporting frame is fixedly installed on one side of the support, the inner wall of the installation groove is arranged to be an inclined face, the spray gun base is in an inverted circular truncated cone shape, and the outer wall of the lower end of the spray gun base is in sliding fit with the installation groove. By means of the sliding fit relation between the spray gun base of the inclined structure and the through groove, automatic guiding can be conducted in the installation process, the spray gun replacement efficiency is improved, and multi-angle spraying can be achieved by means of the rotating connection relation between the quick-change disc and the spray gun base in a matched mode.

The utility model relates to the technical field of medical instruments, in particular to a PEEK artificial bone material installation auxiliary instrument which comprises a face auxiliary limiting elastic cover used for conducting auxiliary limiting on PEEK artificial bone materials after face shaping and a nasal groove abutting device used for preventing nasal groove hyperplasia after nasal base filling. The face auxiliary limiting elastic cover comprises a cover body, a head circumference adjusting fastening belt and a top fixing belt, the cover body is matched with the human face structure, wearing ear through holes are reserved in the two sides of the cover body, a forehead through groove, an eyebrow bone eye through groove, a nose through groove and a lip through groove are sequentially formed in the cover body from top to bottom in a penetrating mode, and the forehead through groove is matched with the human forehead structure. The inner walls of the two sides of the forehead through groove are connected with forebone side face abutting plates with the postoperative forehead joint protruding. Through a plurality of fixing points and an adjusting mechanism, the stability and adaptability are improved, it can be ensured that the PEEK artificial bone material can be kept at an ideal position after an operation, the stability of an operation site is facilitated, the displacement risk is reduced, and the operation success rate is increased.

The utility model relates to the technical field of die casting production, and discloses a trimming die for an aluminum alloy die casting, which is characterized by comprising a trimming device, a conveying device, a collecting device, a power device and a die base, the edge cutting device comprises an upper base, a lower base and a middle sliding block, the mold base is detachably fixed to the lower base, the conveying device is arranged below the mold base, a collecting device is arranged at the end of the conveying device, the power device provides power for the conveying device, and the collecting device is arranged on the conveying device. The die base comprises a discharging base and a supporting piece, the discharging base is of an inclined face structure and inclines towards the conveying device, the supporting piece is arranged on the discharging base and used for supporting a piece to be trimmed, and the waste collecting device has the advantages that waste is collected comprehensively and easily, an additional power source does not need to be provided, stable trimming operation is not affected, and the waste collecting efficiency is improved. The collecting device is far away from the working area, and operators do not need to get close to clean the chippings in the working area.

The utility model discloses a waterproof grouting device, belongs to the technical field of grouting devices, and solves the problems that when an existing waterproof grouting device is used for grouting a crack or a joint of a side face structure or a top face structure, falling slurry cannot be recycled, and the falling slurry is likely to pollute a side face wall, the ground, constructors or equipment and the like. Therefore, the cleaning is difficult. The grouting device comprises a moving mechanism and a grouting mechanism arranged on the moving mechanism, the grouting mechanism comprises a grouting pump, a slurry barrel matched with the grouting pump and a grouting pipe which is connected with the grouting pump and provided with a spray head, and the moving mechanism is provided with a longitudinal telescopic mechanism and a slurry recycling cavity formed in an opening in the top of the longitudinal telescopic mechanism. The grouting pipe is movably and fixedly matched with the longitudinal telescopic mechanism and movably and hermetically matched with the grout recycling cavity, and a spray head of the grouting pipe is higher than a top opening of the grout recycling cavity. The waterproof grouting device is used for waterproof grouting.

The utility model discloses a veneer structure with an ultra-large plate width free curvature, and relates to the technical field of building decoration construction. The problems that an existing aluminum plate curtain wall structure cannot achieve free curvature exterior facing modeling, and the installation precision of the connection position of a special-shaped curved surface cannot be guaranteed are solved. The decorative plate comprises a supporting frame body, a plurality of decorative plates and a plurality of corner connector fixing pieces, each decorative plate comprises a curved decorative plate and a folded edge which is arranged along the edge of the curved decorative plate in a surrounding mode and connected with the curved decorative plate, and the curved decorative plates are formed by stamping a plurality of curved unit models obtained after a free-curvature decorative structure three-dimensional model is cut through an outer decorative surface dividing line. The corner connector fixing pieces are arranged along the folded edges at intervals, the corner connector fixing pieces are arranged between every two adjacent veneers, one sides of the corner connector fixing pieces are connected with the folded edges of the two adjacent veneers respectively, the other sides of the corner connector fixing pieces are detachably connected to the supporting frame body, and the supporting frame body is connected to a building main body structure.

The mosquito-repellent incense powder homogenizing device with high mixing efficiency comprises a vertical mixing bin, a tank body of the mixing bin is a square body, the bottom of the mixing bin is provided with a bottom face designed to be of a multi-section type inclined face structure, and a left transmission conveying mechanism and a right transmission conveying mechanism which are installed on the bottom face and are arranged in a left-low-right-high staggered mode. The bottom surface of the multi-section inclined surface structure design comprises a left inclined surface structure which is connected with the left side wall of the mixing bin and extends and inclines towards the left transmission conveying mechanism, a right inclined surface structure which is connected with the right side wall of the mixing bin and extends and inclines towards the right transmission conveying mechanism, and a middle inclined surface structure which is positioned between the left transmission conveying mechanism and the right transmission conveying mechanism; a feeding mechanism for returning materials to the top of the mixing bin is arranged at an output port of the left transmission conveying mechanism, and a communicating inclined groove communicating with the output port of the left transmission conveying mechanism is formed in an output port of the right transmission conveying mechanism. The efficient homogenizing effect can be achieved, the structure is simple, the occupied area is small, the utilization efficiency of the mixing bin is high, and electricity, time and labor are saved.

The invention discloses a biodegradable environment-friendly packaging carton structure, and relates to the technical field of environment-friendly cartons, the biodegradable environment-friendly packaging carton structure comprises a bottom plate, an L-shaped supporting plate, an L-shaped movable plate and a degradable top plate, and further comprises an adjusting frame fixed at the upper end of the L-shaped movable plate; the degradable side plates are symmetrically arranged between the bottom plate and the adjusting frame in pairs, the degradable side plates are arranged to be of a wave-shaped structure, and the degradable side plates are used for improving the anti-extrusion strength of the side faces of the carton and adjusting the depth of the inner sides of the degradable side plates according to stored articles; the mounting parts are arranged at the top of the bottom plate and the bottom of the adjusting frame; the adaptive supporting parts are arranged in each group of degradable side plates; the degradable side plates of a wave-shaped structure are adopted as side face structures of the carton, the impact resistance is improved, the carton is not prone to sinking inwards, and the degradable side plates are convenient to disassemble and replace after being damaged and can be biodegraded after being discarded.

The utility model discloses a fermentation roller end face structure convenient for adjusting discharge and return quantity, relates to the field of fermentation rollers, solves the problem that the discharge position and the return quantity are difficult to adjust according to requirements in the conventional device, and adopts the following scheme that the fermentation roller end face structure comprises a fermentation roller and a sealing plate, a discharging hole is formed in the sealing plate; the discharging assembly comprises a mounting plate, a discharging pipe and a material returning pipe, the mounting plate is tightly attached to the outer wall of the sealing plate, a material guiding groove located on the outer side of the discharging hole is formed in the center of the mounting plate, and the discharging pipe located on the outer side of the material guiding groove is fixedly connected to the outer wall of the mounting plate. According to the fermentation roller end face structure convenient for adjusting the discharging and returning amount, through the arrangement of the upper discharging assembly at the outer end of the fermentation roller, the position of the outer end of the discharging pipe can be adjusted and the discharging position can be synchronously adjusted through the left-right slidable arrangement between the upper discharging assembly and the fermentation roller; and the material returning amount discharged from the material returning pipe can be adjusted by sliding the sliding plate left and right.

The utility model relates to the technical field of valves, in particular to a gate valve. The gate valve comprises a valve body, a medium inlet and a medium outlet are formed in the two ends of the valve body respectively, a gate plate is arranged in the valve body, and the sealing face, making contact with the valve body, of the gate plate is of an arc-shaped sealing face structure. According to the gate valve, the sealing face is easier to machine, sealing is easier, and the sealing effect is good.

The invention discloses a passenger car pretreatment model repairing method and system and electronic equipment, and relates to the field of model simulation, and the input step S1 comprises the steps of obtaining a car body model with topological structure errors; the data analysis and reading step S2 comprises the steps of modeling a vehicle body model by adopting a boundary representation structure, and analyzing and reading vertex, edge and surface elements in the model and a topological relation among the elements; the detection step S3 comprises the following steps: acquiring a geometric feature definition of a topological structure error; the step S4 of manual selection comprises the following steps: based on a detection result of the detection step S3, judging and frame-selecting to-be-repaired vertex, edge and surface structures according to a predefined problem type, and storing the selected vertex, edge and surface structures; the repairing step S5 comprises outputting the stored and selected vertex, edge and surface structures to a preset repairing module; and the output step S6 comprises the step of outputting the inspected and repaired vehicle body model.

The utility model belongs to the technical field of pipeline fans, and relates to a multipurpose pipeline fan which comprises a pipeline frame with a six-face structure, and a fan is arranged in the pipeline frame. One surface of the pipeline frame is a fixed mounting surface, the other surfaces of the pipeline frame are detachable mounting surfaces, the fixed mounting surface is provided with a flange type air outlet, and the detachable mounting surfaces are provided with detachable mounting structures; at least one detachable mounting surface is provided with a flange type air inlet, or one detachable mounting surface is provided with a shutter; and the other detachable mounting surfaces are provided with access doors. The multipurpose pipeline fan provided by the utility model can be adapted to more use environments.