48results about How to "Prevent springback" patented technology

The utility model discloses a kind of multi-pass solenoid valve with power connection plate, comprising: multiple valve bodies and power connection plate, each valve body has a pair of same direction projecting insert, the power connection plate includes: multiple metal sheets for the conductive connection of the insert and power supply, and plastic layer covering the metal sheet, the metal sheet has wiring end connected with power supply and insert connection plug-in end, the plastic layer exposes the wiring end and the plug-in end, characterized in that, between adjacent two metal sheets, there is the bending part formed by punching cutting, the plastic layer is provided with at least part recess of covering the bending part, to prevent the rebound of bending part, thereby avoid the short circuit problem that multi-pass solenoid valve appears when working.

This utility model discloses a bag-folding mechanism for a bag-opening machine, including a worktable with a positioning window. An upper folding knife assembly and a lower folding knife assembly are correspondingly arranged above and below the positioning window. The upper folding knife assembly includes a lifting and lowering fixed plate, upper left and upper right folding knives mounted on the fixed plate, and front and rear folding knives arranged horizontally. The lower folding knife assembly includes a lifting and lowering mounting plate and lower left and lower right folding knives arranged horizontally on the mounting plate. The upper folding knife assembly descends into the cut bag opening. The front and rear folding knives move back and forth to fold the front and rear edges of the bag opening. The upper left and upper right folding knives descend synchronously with the fixed plate to fold the left and right edges of the bag opening downwards. Then, the lower left and lower right folding knives of the lower folding knife assembly move horizontally left and right to further fold the downward-folded left and right edges and press and shape the folded edges, ensuring the quality of subsequent bag opening sewing.

The utility model relates to cable production technical field especially is a kind of cable straightening equipment, including mounting plate, mounting plate is provided with two and is symmetrically distributed before and after, the four corners of two mounting plates are all provided with mounting hole, the opposite end of two mounting plates is all fixedly connected with slide rail, straightening mechanism is slidably connected between two mounting plates, two stands are symmetrically fixedly installed in the upper end of the mounting plate located rear part, one end of a stand is fixedly installed with one positive and negative motor, the output of one positive and negative motor is fixedly connected with ball screw, ball screw is screw-connected with the rear part of straightening mechanism. The utility model discloses a kind of cable straightening equipment, reciprocating motion is driven by ball screw straightening mechanism, realize the stable feeding of cable and continuous straightening;While using the multiple straightening wheels of annular distribution, realize automatic adaptation different diameter cable with adjusting disc cooperation, improve straightening efficiency and versatility, applicable to the efficient processing and automatic production of multiple specifications cable.

This invention relates to the field of adhesive coating technology and discloses an adhesive coating device for an induction cooker panel, including a base, a linear guide rail on the base, a spray gun fixedly mounted on the linear guide rail, the spray gun including an adhesive supply pipe and a movable nozzle, a back suction valve on the adhesive supply pipe, a fixed pipe connecting the adhesive supply pipe and the movable nozzle, the fixed pipe being fixedly connected to the linear guide rail, a limit cylinder coaxially fixedly mounted on the fixed pipe, the movable nozzle coaxially mounted inside the limit cylinder and connected to the fixed pipe through a cylindrical elastic membrane, a magnet fixedly mounted on the movable nozzle, and a winding coaxially mounted on the limit cylinder; this application achieves rapid stretching and breaking of the adhesive by driving the movable nozzle to rotate circumferentially and causing the elastic membrane to undergo helical torsional deformation, forming an axial tensile force that drives the movable nozzle to move axially, thereby achieving rapid stretching of the adhesive and breaking it. At the same time, combined with the back suction effect of the back suction valve and the pressure-holding design of the elastic membrane, it effectively solves the problem of easy stringing of the adhesive at the end of the coating process.

The utility model discloses a wall tile leveling device for indoor decoration, which belongs to the technical field of indoor decoration, aims to solve the problem of high labor intensity caused by the fact that a rubber plate needs to be pressed all the time during use, and comprises a supporting plate, a convex frame is fixedly connected to the top of the supporting plate, and limiting blocks are slidably connected to the inner walls of the two sides of the convex frame. According to the wall tile leveling device, the two pressing plates are arranged, when the wall tile leveling device is used, the two pressing plates are pressed at the joint of two wall tiles, the threaded rod is rotated to drive the driving block to descend, the driving block descends to drive the two first connecting rods to rotate outwards at the same time, and therefore the two connecting blocks drive the two pressing plates to move outwards at the same time, and the wall tiles are leveled; according to the wall tile seam balancing device, wall tile seams are tidy and smooth, the situation that uneven tile seams affect the wall effect is avoided, meanwhile, the threaded rod rotates to drive the pressing plate to move and apply pressure, pressure balancing can be evenly conducted on the seam positions, wall tile springback is avoided, and the labor intensity of workers is relieved.

The utility model relates to the technical field of automobile engineering, in particular to a clamping jaw control parking structure which at least comprises a buckle valve sleeve part assembly and an electromagnetic part assembly, and the buckle valve sleeve part assembly and the electromagnetic part assembly are fixedly connected with a bent closing opening of a valve shell through the characteristics of a flange plate protruding out of the end of a valve sleeve. The electromagnetic part assembly comprises a valve shell, a gasket, a PIN protection cover, a dustproof cover, two PINs, a solenoid, a rear yoke sleeve and a magnetic core. The gasket is of an injection molding structure and is arranged between the valve shell and the valve sleeve. The clamping spring is mechanically buckled with the outer circle of the large valve element through a sectional structure, and the locking state can still be kept when the electromagnetic valve fails. Even if the electromagnetic force or the spring force disappears, the arc of the clamping spring can still tightly buckle the outer circle of the large valve element, the large valve element push rod is prevented from rebounding, the parking failure risk is completely eradicated from the mechanical structure, the gearbox safety is protected, and double safety guarantees are formed.

The utility model provides a tool-free buckle type hoop device for underground pipeline monitoring, which relates to the technical field of engineering monitoring and comprises an upper hoop, a hoop fixing component is arranged on the lower side of the upper hoop, a spring sleeve is welded to the center of the inner side of a slot, a telescopic spring is mounted on the inner side of the spring sleeve, and the telescopic spring is connected with the hoop fixing component through a bolt. Sleeve holes are formed in four corners of the spring sleeve; according to the hoop fixing assembly, the rack below the upper connecting plate is clamped into the inserting groove of the lower connecting plate along with the upper hoop, the rack can extrude the telescopic toothed plate to be meshed with the telescopic toothed plate, in the process, the telescopic spring is pressed to generate elastic force to push the telescopic toothed plate to be meshed tightly, firm connection is ensured, looseness is prevented, and the service life of the telescopic toothed plate is prolonged. And the two sets of racks are synchronously meshed with the telescopic toothed plate, a double-locking mechanism is formed, the tensile strength is enhanced, it is guaranteed that no displacement exists at the connecting position, and the durability of the whole structure is improved.

The utility model relates to a kind of battery protection plate pressure maintaining mechanism, including locating seat, holding component and pressure maintaining component;The locating seat is equipped with the locating part for placing battery protection plate, the holding component and pressure maintaining component are oppositely arranged on the both sides of the locating part, the holding component is configured to abut and fix the battery protection plate from one side, the locating seat is equipped with the first pressure maintaining inclined plane in the side towards the pressure maintaining component, the pressure maintaining component is configured to be close to the locating part from the other side, to clamp the part to be pressure maintained of the battery protection plate between the first pressure maintaining inclined plane and the pressure maintaining component. The utility model can realize the effective positioning and pressure maintaining of product, avoid rebound, improve the quality and reliability of product.

The utility model relates to the technical field of safety air bag, concretely relates to a far end air bag air bag pull belt of composite structure, including air bag, the air bag is composed of two air bag main pieces, is provided with the composite pull belt mechanism between two air bag main pieces, the composite pull belt mechanism includes horizontal limiting pull belt mechanism and longitudinal limiting pull belt mechanism, horizontal limiting pull belt mechanism is used for limiting air bag horizontal expansion, longitudinal limiting pull belt mechanism is used for limiting air bag longitudinal expansion, and the composite pull belt mechanism is formed through C type pull belt and X type pull belt, and C type pull belt limits air bag longitudinal excessive expansion, and X type pull belt controls horizontal volume, makes air bag realize optimal protection coverage in limited space, improves air bag use effect.

The utility model discloses a positioning labeling mechanism for a plastic packaging bag labeling machine, and relates to the technical field of plastic packaging bag production, the positioning labeling mechanism comprises a support plate and a roller body, the top of the roller body is connected with a baffle block, the bottom of the baffle block is connected with a first non-slip mat, one side of the baffle block is connected with a baffle strip, and the inner ring of the baffle strip is connected with a second non-slip mat; a connecting piece is fixed to one side of the barrier strip, a plurality of clamping grooves are formed in the top of the connecting piece, a spring is connected into the stop block, and a clamping block is connected to the top of the spring. Through the arrangement of the stop block, the barrier strip, the connecting piece, the clamping groove, the clamping block and the spring, when the positions of the stop block and the barrier strip need to be adjusted, the clamping block is pressed down to displace the clamping block to compress the spring, and then the diameter of the barrier strip is increased by bending the barrier strip; compared with the mode that the wrench is held twice, the wrench is inserted into the bolt to rotate several circles, the check ring is operated and the wrench is taken out, operation is convenient and fast, and tools are not needed.

The utility model provides a pushing device capable of automatically clamping, unlocking and keeping a spring piece puller, and relates to the technical field of zipper puller assembly.The pushing device comprises a supporting module and a pushing module, the supporting module comprises a first rail, a first sliding block is connected to the first rail in a sliding mode, a pushing base is fixedly arranged on the first sliding block, the pushing module comprises a second expansion piece, and the second expansion piece is connected with the first sliding block in a sliding mode. The driving end of the second expansion piece is fixedly connected with the pushing seat to push the pushing seat to move along the first track, an overturning module and a pull piece opening module are installed on the pushing seat, a pull head clamping module is connected to the overturning end of the overturning module, the pull piece opening module is provided with a piece opening plate, the pull head clamping module comprises a clamping groove b matched with a pull head in appearance, and the clamping groove b is provided with a clamping groove b matched with the pull head in appearance. The clamping groove b is used for vertically inserting a pull head from the upper part, the slicing plate is located below the clamping groove and forms interference with a pull piece, the turnover module pulls the pull head clamping module to vertically turn over, the pull head and the pull piece are pulled to form 90 degrees and are kept in a state, and the problem that the pull piece falls down due to the fact that an air cylinder pushes the pull piece in the prior art is solved.

The utility model relates to the technical field of temperature sensors, in particular to a temperature sensor capable of realizing flexible installation, which comprises an NTC (Negative Temperature Coefficient) thermistor, the right part of the outer surface of the NTC thermistor is sleeved with a first heat shrink tube, the left end of the first heat shrink tube is fixedly connected with a second heat shrink tube in a penetrating manner, the left end of the NTC thermistor is fixedly connected with two leads, and the two leads are fixedly connected with the NTC thermistor. The left ends of the two leads are jointly and fixedly connected with a connector, the outer surface of the NTC thermistor is coated with a heat conduction silicone grease layer, the outer surface of the first heat shrink tube and the outer surface of the second heat shrink tube are both coated with insulation protection layers, two connecting ports are formed in the right end of the connector, and the outer surfaces of the two leads are both coated with protection layers. According to the temperature sensor capable of realizing flexible installation, the heat conduction silicone grease layer, the first heat shrink tube and the second heat shrink tube are arranged on the whole temperature sensor, so that the space utilization rate can be improved, and the response speed of the NTC probe is greatly shortened.

The utility model relates to the technical field of plate bending machines, and provides an anti-springback plate bending machine which comprises a bottom frame, the surface of the bottom frame is detachably connected with a supporting frame, the inner side of the supporting frame is slidably connected with a movable block, the inner side of the movable block is rotatably connected with an upper rotating roller, and the inner side of the supporting frame is rotatably connected with a lower rotating roller. The outer surface of the supporting frame is connected with an anti-rebound structure, and an adjusting structure is connected between the movable block and the supporting frame. The anti-rebound structure comprises a sliding groove formed in the outer surface of the supporting frame, a sliding block is slidably connected to the inner side, corresponding to the sliding groove, of the supporting frame, an electric cylinder is fixedly connected to the position, corresponding to the sliding block, of the outer surface of the supporting frame, an extension rod is fixedly connected to the outer surface of one side of the sliding block, and a positioning column is rotationally connected to the outer surface of the extension rod. By means of the technical scheme, the problems that an existing plate rolling machine limits plates through limiting grooves, rebounding of the plates is mainly achieved at the positions of the two ends of the plates in actual use, and the existing plate rolling machine does not have a good positioning or limiting function at the positions are solved.

The invention discloses an illumination range adjustable type LED panel lamp, and belongs to the technical field of LED lamps, the illumination range adjustable type LED panel lamp comprises a lamp holder, an adjustable lamp bead assembly is arranged below the lamp holder, a lampshade is arranged below the adjustable lamp bead assembly, connecting rods are arranged at the two ends of the upper portion of the lamp holder, a mounting seat is arranged above the connecting rods, and mounting holes are formed in the two ends of the mounting seat; a heat dissipation assembly is arranged in the middle of the upper portion of the lamp holder, a convenient disassembly and assembly assembly is arranged at the connecting position of the lamp holder and the lampshade, and a connecting assembly is arranged at the connecting position of the connecting rod and the mounting base. The lamp cover can be quickly disassembled and assembled, the interior of the lamp is cleaned and maintained, the use convenience is high, and the connecting assembly is arranged, so that the lamp can be quickly disassembled, and screws do not need to be unscrewed.

This invention belongs to the field of aircraft separation structure design technology, specifically relating to an explosive bolt collection device and its design method suitable for compact axial space. The method includes: Step 1, determining the initial velocity and initial kinetic energy of the explosive bolt remnant; Step 2, selecting buffer structure connecting fasteners based on the initial kinetic energy of the explosive bolt remnant calculated in Step 1; Step 3, designing the collection structure based on the initial kinetic energy of the explosive bolt remnant calculated in Step 1 and the buffer structure connecting fasteners selected in Step 2; Step 4, conducting numerical simulation analysis and ground tests on the bolt collection device designed in Steps 2 and 3 to verify the feasibility of the design method for an explosive bolt collection device suitable for compact axial space. This invention can solve the problems of complex structure, high axial space requirements, and the risk of rebound in explosive bolt collection devices.

The utility model discloses an aramid fiber yarn two-for-one twisting mechanism with an automatic yarn clamping function, which belongs to the field of aramid fiber yarn two-for-one twisting mechanisms, and comprises a rack and an arranged automatic yarn clamping mechanism, when equipment breaks down to cause the springback phenomenon of yarns, an air cylinder drives an output end to drive an extrusion block to move backwards, and the automatic yarn clamping mechanism is used for clamping the yarns. The extrusion blocks no longer extrude the pressed blocks in the two side directions, after the compression springs on the fixing rods conduct stretching recovery operation, the connecting plates are pushed in the opposite directions, the connecting plates move along the fixing rods through the connecting holes in the side walls, and at the moment, the symmetrical wire clamping plates conduct synchronous relative movement operation and are matched with the wire clamping grooves formed in the opposite face walls, so that the wire clamping plates can be fixed. The yarn penetrating through the yarn guide holes formed in the top faces of the yarn guide plates which are symmetrical up and down is automatically clamped under the elastic acting force, so that the problem that the yarn rebounds is solved, and the aramid yarn two-for-one twisting mechanism has the automatic yarn clamping function.

The utility model discloses a positioning assembly is cut to fixed length on cutting machine belongs to cutting machine accessories field, including positioning stand and cutting machine, the positioning stand is installed in the one end of cutting machine through the mounting plate bolt of one end, both sides of positioning stand all are equipped with scale board, the top sliding connection of positioning stand has the movable baffle, the movable baffle is equipped with the buffer structure for slowing down material impact force on the one side to cutting machine, both sides of movable baffle are equipped with the self -locking structure for self -locking, this positioning assembly is cut to fixed length on cutting machine, can buffer material in the process of material extension and prevent collision damage, when material moves and completed, the buffer structure resets, prevents material springback, through setting self -locking structure, can realize self -locking through the resistance board cooperation inclined groove after the baffle adjustment position, effectively prevent the problem that baffle displacement leads to collision for a long time.

The invention relates to a tower crane electrical emergency circuit fixing device, and belongs to the technical field of tower crane operation auxiliary facilities. Comprising a tower crane handrail body, an L-shaped mounting plate is arranged on one side of the tower crane handrail body, a vertical mounting plate is arranged on the other side of the tower crane handrail body, a plurality of limiting rods are arranged at the bottom end of the tower crane handrail body, the limiting rods are fixedly connected with the L-shaped mounting plate, and the limiting rods are connected with the vertical mounting plate in a clamped mode; a plurality of second dovetail grooves are formed in the bottom end of one side of the L-shaped mounting plate in a penetrating mode, second dovetail blocks are connected to the interiors of the second dovetail grooves in a clamped mode, and a mounting base is fixedly connected to the other ends of the second dovetail blocks. And a plurality of fixing assemblies are arranged at the other end of the L-shaped mounting plate. The combined design of the claw-type clamping blocks and the flexible iron sheets is adopted, the opening and closing amplitude can be adjusted according to the diameter of the cable, and emergency cables of various diameters can be adapted conveniently.

The utility model discloses a positioning device for an inner ring of a sealing element of a non-disc type end face spring plug seal, and relates to the technical field of spring plug seals. The sealing device comprises a bottom plate and a sealing piece, wherein a positioning mechanism is arranged on the bottom plate. Through the arrangement of the positioning mechanism, in the process that the two moving seats continuously move away from each other, the multiple springs can generate different deformation according to the radian of the inner side of the PEEK fixing ring, at the moment, the electric valve is closed to separate the sealing cavity from external air, the multiple springs are prevented from rebounding, and the sealing effect is improved. The positioning rods are arranged on the bottom plate, so that the PEEK fixing ring can be positioned at the center of the top of the bottom plate by the positioning grooves in the positioning rods, the sealing element can be accurately positioned and fixed during assembly, deviation in the subsequent use process is avoided, and after the PEEK fixing ring of the same model is positioned by the mechanism, the sealing element can be accurately positioned and fixed. And a plurality of PEEK fixing rings are sequentially positioned and assembled according to the adjusted piston rod, so that the efficiency of assembling a plurality of sealing elements with the same model is improved.

The present application relates to printed circuit board manufacturing technology field, specifically said is super conventional dry film plug hole device and method, including: upper die holder, the upper die holder inside is formed with upper chamber, the upper chamber is connected with vacuum / positive pressure switching system, the lower surface of the upper die holder is equipped with the capillary hole that communicates with the upper chamber;And lower die holder, the lower die holder inside is formed with glue injection cavity, the glue injection cavity is connected with glue injection system, the upper surface of the lower die holder is equipped with the glue injection pipe that communicates with the glue injection cavity.The present application is by printed board "inversion", plug hole face down, resin is injected from below, air is discharged from above;Make the hole bubble residual significantly reduce;At the same time, the capillary hole for intercepting resin is arranged in the upper die holder, so that the plug hole of different aperture on the same printed board is filled in turn under the unified negative pressure parameter and glue injection pressure according to the aperture from big to small, solve the problem of big hole in traditional scheme and small hole exhaust deficiency.

The invention relates to the technical field of photovoltaic supports, and particularly discloses an anti-seismic and anti-displacement photovoltaic support which comprises a base frame, a first anti-seismic rod is arranged at the upper end of the base frame, a second anti-seismic rod is arranged at the upper end of the base frame, an anti-seismic force unloading assembly is arranged at the upper end of the second anti-seismic rod, and connecting assemblies are arranged at the upper ends of the anti-seismic force unloading assembly and the first anti-seismic rod correspondingly. A third anti-seismic rod is arranged between the base frame and the second anti-seismic rod, and the base frame, the second anti-seismic rod and the third anti-seismic rod form a triangular structure; force is effectively unloaded, springback is prevented, the hidden crack risk of the photovoltaic equipment is reduced, the secondary damage risk of springback is reduced, cooperative shock resistance is achieved, the overall stability of the photovoltaic equipment is improved, one-way dissipation and controlled reset of vibration energy are achieved, and secondary impact damage caused by instantaneous springback of a traditional spring is reduced.

The invention discloses a rigid-flexible coupling soft hand with variable configuration, which comprises a plurality of rigid-flexible coupling soft fingers, a switching frame system and a superstructure energy absorption palm center, and the roots of the plurality of rigid-flexible coupling soft fingers are connected with the switching frame system; the super-structure energy absorption palm center is arranged on the switching frame system and located in a space defined by the rigid-flexible coupling soft fingers; the switching frame system is used for driving the rigid-flexible coupling soft fingers to be switched between a first configuration and a second configuration. The first configuration is formed in the mode that the rigid-flexible coupling soft fingers are parallel and opposite and is used for conducting flexible wrapping grabbing on a static target. And the second configuration is a cage configuration formed by converging a plurality of rigid-flexible coupling soft body fingers towards one another, and is used for capturing a dynamic target. The problem that smooth grabbing of static targets and efficient capturing of dynamic targets are difficult to achieve at the same time through a single gripper is solved.

The utility model discloses an anti-springback type precision stamping die which comprises a lower base and an upper base, a supporting frame is arranged on the lower base, the upper base is horizontally arranged on the supporting frame, a lower die base is arranged in the lower base, the upper base is provided with an upper die and a driving moving structure, the upper die is located on the driving moving structure, and the lower die is located on the driving moving structure. The driving moving structure can drive the position of the upper die to move downwards, and a springback preventing structure is arranged on the side of the lower die base. After a product is stamped, the springback of a stamped part after demolding can be effectively controlled through the springback prevention structure, so that the size of the stamped part is closer to a design value, and the size deviation is reduced; and shape distortion caused by springback of a stamping part can be avoided, for example, the bending angle of a bent part is more accurate, and a plane part is smoother.

This utility model discloses an anti-springback bending forming mold, belonging to the technical field of bending forming molds. It includes a mold base, a movable box fixedly connected to the top of the mold base, a beam through-hole provided on the top of the movable box, a lead screw rotatably connected to the inner cavity of the movable box, a movable seat threaded onto the outer side of the lead screw, and a laser mounted on the top of the movable seat. In this utility model, through the coordinated use of the movable box, lead screw, servo motor, movable seat, and laser, after the sheet metal is bent on two bending modules, a high-energy laser beam is emitted from the laser towards the bending point, thereby hardening the bent area of ​​the sheet metal. Simultaneously, the threaded engagement between the lead screw and the movable seat drives the laser to move, thus hardening all bending points of the sheet metal and effectively preventing springback after bending.

The invention discloses a tempered glass support with a protective structure, and relates to the technical field of glass supports. The anti-breakage device comprises a bottom frame, the anti-breakage device comprises a spring rack, a springback box, a metal soft rope, a first round rod, elastic canvas, a T-shaped protruding block and a second round rod, the springback box is fixed to the front face of the bottom frame through a support, one end of the spring rack is fixed to the cylindrical outer wall of the center of the springback box, and the T-shaped protruding block is fixed to the other end of the spring rack; one end of the metal soft rope is fixed to the middle of the T-shaped protruding block, the other end of the metal soft rope is fixed to the middle of the outer wall of the first round rod through the protruding block, the end, close to the rebound box, of the first round rod is hinged to the side face of the bottom frame, one side of the elastic canvas is fixed to the outer wall of the first round rod, and the second round rod is fixed to the other side of the elastic canvas. When tempered glass is broken, the elastic canvas can instantly hold the broken glass, and people passing by are prevented from being injured by broken tempered glass.

This invention proposes an intelligent protection and monitoring device for pile foundation construction, relating to the field of pile foundation construction safety protection technology. It includes a test column, which is vertically placed inside the pile foundation hole via a support. At least one probe structure is rotatably mounted on the bottom of the test column, with one end of the probe structure inserted into the hole wall. A vibrating bell and a striking mechanism are installed on the test column; the striking mechanism reciprocates to strike the vibrating bell, causing it to vibrate and produce sound. This invention provides an intelligent protection and monitoring device for pile foundation construction. This device is a purely mechanical structure, suitable for the harsh environment of pile foundation construction sites, and unaffected by power outages, mud, or vibration. It can accurately detect minute deformations of the hole wall, amplifying them through transmission to achieve multiple warnings including sound, light, and visual indicators. A ratchet mechanism locks in dangerous states, ensuring uninterrupted warnings. The mechanism can automatically reset and be used repeatedly, requiring no dedicated personnel, balancing monitoring sensitivity and anti-interference capabilities, effectively preventing the risk of pile hole collapse.

This invention relates to the field of power distribution cabinet technology and discloses a multi-channel heat dissipation power distribution cabinet for smart grids. It includes a cabinet body with supporting legs at the bottom, a perforated grille top cover at the top of the cabinet body, symmetrically mounted frames on the inner walls of the cabinet, and several copper busbar partitions arranged sequentially from top to bottom on the rear inner walls of the two frames. Layered panels are also symmetrically mounted vertically on the inner walls of the two frames, and a base plate is also mounted on the inner walls of the two frames. This multi-channel heat dissipation power distribution cabinet for smart grids effectively solves the problems in existing technologies where the heat dissipation channels of power distribution cabinets are mostly fixed and normally open, unable to flexibly switch between open and closed states according to environmental conditions. In low-temperature and high-humidity environments, cold and humid air from the outside easily enters the power distribution cabinet, causing condensation, leading to corrosion and short circuits of electrical components, and the inability to effectively balance the contradiction between dust prevention, waterproofing, and heat dissipation.

The application provides a granulating device for preparing solid waste composite asphalt modifier, which comprises a solid waste feeding system, a binder feeding system and a mixing system, and the output end of the mixing system is arranged above a feeding transition part; a gas float cutting mechanism is arranged at the discharge end of an extrusion granulating mechanism, the gas float cutting mechanism comprises a rotating tool holder, blades are arranged on the tool holder, and spray holes are arranged between the blades; a dry cooling anti-sticking system is arranged below the blanking area of the gas float cutting mechanism; the dry cooling anti-sticking system replaces the water tank cooling, and the granule cooling and anti-sticking are completed under the condition of no water.