33results about How to "Fit fast" patented technology

The utility model relates to the field of rubber wallboard installation, more particularly, to a simple heavy wall surface elastic material installation frock, including support rod, first manual tight rope ware, the first support frame of being pasted on the wall surface and the second support frame of being set on the ground, the first support frame rotatable setting on the second support frame, both ends of support rod are connected with first support frame and second support frame respectively, the middle part of second support frame is equipped with the bracketing rod and is used to carry the slider of wall surface elastic material movement, first manual tight rope ware one end is connected with support rod, the other end is connected with bracketing rod, when slider moves to the position, the bracketing rod places in the bottom of wall surface elastic material, first manual tight rope ware carries out the lifting to wall surface elastic material simultaneously after, makes wall surface elastic material to press fit on the wall surface after passing through first support frame.

The present application relates to a kind of personalized orthodontic bite gum, the bite gum is used to cooperate with the use of invisible aligner, the bite gum is horseshoe structure in horizontal plane view, it is wedge structure of back thin front thick in sagittal plane view;The bite gum includes bite gum pad, buccal side, lingual side, the buccal side and the lingual side extend to dental arch buccal side and lingual side from the bite gum pad;The bite gum is provided with the avoidance of corresponding arrangement with the invisible aligner, the avoidance is used to avoid weak position on the invisible aligner.The bite gum provided by the present application is mainly aimed at the cases of tooth extraction, tooth defect, replacement tooth period, tooth occlusal surface design, etc.Special device case, by setting avoidance, the bite gum can avoid weak position on the invisible aligner, prevent the deformation of aligner due to the use of bite gum, affect the treatment effect, reduce the use requirement to patient, improve the use efficiency of bite gum, save time.

The present application discloses a telescopic charged foreign body cleaning device, which belongs to the technical field of electric power equipment. It includes a counterweight plate frame, which is used to increase the bottom counterweight; a support frame, which is installed on both sides of the top of the counterweight plate frame; a first adjustment frame, which is arranged between two groups of support frames; a first connecting frame, which is arranged on the top of the first adjustment frame; an adjustment component, which is arranged between the first connecting frame and the first adjustment frame and the support frame, and is used to control the first connecting frame to move up and down; a cleaning component, which is arranged on both sides of the outside of the first connecting frame, and is used to clean the residue outside the wire. The present application uses a telescopic adjustment structure to perform two-stage lifting and lowering adjustment, which is convenient for cleaning high-altitude cables, and the bottom center of gravity is increased by setting the bottom counterweight plate frame, so that it remains stable during operation, which is convenient for mobile cleaning, and does not require the operator to keep lifting up for a long time, which protects the operator's neck and improves work efficiency.

The utility model relates to the technical field of bus ducts, in particular to a bus duct with a waterproof structure, which comprises a first conducting bar and a second conducting bar, fixing plates are arranged at the upper ends and the lower ends of the first conducting bar and the second conducting bar, and radiating fins are arranged on the left surfaces and the right surfaces of the first conducting bar and the second conducting bar. A sealing assembly is installed on the outer surface of the front end of the first conducting bar, and a butt joint assembly is installed on the outer surface of one end of the back face of the second conducting bar. The sealing assembly comprises a groove, and the groove is formed in the sealing assembly. According to the utility model, the first sealing gasket and the second sealing gasket are attached more firmly, and water is prevented from entering between the first conducting bar and the second conducting bar due to subsequent loosening, so that the sealing gaskets are attached more tightly and cannot be loosened subsequently, and the service life of the sealing gaskets is prolonged. And subsequently, the threaded rod can be screwed and rotated for multiple times to adjust the attaching tightness of the sealing gasket again.

The application belongs to the technical field of motor core lamination and relates to an adjustable slot detection rod for a high-power motor core as well as an assembly method and application thereof. The slot detection rod comprises an adjustable slot assembly extending into the interior of a motor core slot, wherein the adjustable slot assembly comprises oppositely arranged first and second slot plates, and the two slot plates are respectively parallel to the side walls of the respective adjacent slots to be detected. The first and second slot plates are detachably connected through a limiting adjustment mechanism, and the limiting adjustment mechanism adjusts the distance between the first and second slot plates. A handle is arranged above the adjustable slot assembly. In addition, by replacing the shapes of the first and second slot plates, the motor core slot of different shapes can be adapted. The application can achieve the purposes of reducing the cost of tooling preparation and shortening the production and manufacturing cycle of electronic cores.

The stirring assembly comprises a bearing base and a quantifying assembly, a supporting column is installed at the upper end of the bearing base, an extruding barrel is installed at the upper end of the supporting column, a material mixing barrel is installed on the left side of the upper end of the extruding barrel, and meanwhile a feeding opening is additionally formed in the outer portion of the material mixing barrel; and a quantifying assembly is arranged in the extrusion barrel and comprises a servo motor, a movable rotating shaft, a threaded rotating rod, a material conveying cavity, a feeding pipe and a discharging pipe, the movable rotating shaft is connected to the front end of the servo motor, and the threaded rotating rod is connected to the outer portion of the movable rotating shaft. According to the stirring assembly capable of achieving quantitative discharging and the extruder, through the arrangement of the quantitative assembly, the problem that quantitative discharging is not convenient after materials are evenly mixed through most stirring assemblies, and consequently the use amount of the materials is not easy to adjust and control in subsequent processing is solved, and the overall practicability of the stirring assembly is conveniently improved.

The invention relates to a hot bending furnace for glass hot bending forming through a self-weight method and a glass hot bending forming method. The hot bending furnace comprises a hearth, a hot bending mold is arranged in the hearth, the upper portion of the hot bending mold is used for containing glass, and a lifting movable unit is arranged below the hot bending mold and used for controlling the height of one side of the hot bending mold. The invention also provides a glass hot bending forming method which comprises the following steps: placing glass on the hot bending grinding tool, feeding the hot bending grinding tool into the hearth through the trolley, enabling the glass to be positioned below the infrared heating pipe, starting the infrared heating pipe to heat the glass until the glass is softened, and according to the fitting condition of the glass and different positions of the hot bending mold, carrying out hot bending forming on the glass. And the height of the lifting movable unit is adjusted, so that the glass in an unattached area is quickly attached to the hot bending mold, and finally hot bending forming of the glass in a vertically downward state is completed. By adopting the hot bending furnace disclosed by the invention, the number of defects such as pits and indentations caused by hot bending of glass is reduced.

This invention discloses a urine collection and tubing fixation device specifically designed for pediatric urodynamic examinations, belonging to the field of medical devices. The device comprises a detachable catheter fixation section, a urine storage cover, and a fixing ring, connected from top to bottom via a first magnetic traction assembly. The catheter fixation section has a central tubing through-hole and an internal adjustable chuck clamping mechanism, with an elastic fixing band featuring a low-sensitivity adhesive on the outer wall. The urine storage cover has a split, multi-layered magnetic traction structure, with a removable inner absorbent layer and an outer waterproof fixing layer. The fixing ring features a Velcro elastic band with a soft buffer layer, forming double reinforcement from top to bottom. This invention provides stable fixation, reliable leak prevention, low sensitivity and comfort, convenient operation, and reusability of the main body. It effectively improves the accuracy and safety of pediatric urodynamic examinations, reduces clinical consumable costs, and is suitable for children of different ages and genders, as well as various examination scenarios.

The application provides a gas conveying pipeline fine water mist explosion-proof device, which comprises a long pipe, a plurality of atomizing nozzles, a communicating cavity arranged in the long pipe, a water pipe communicated with one end of the communicating cavity, and a drainage cleaning mechanism arranged on the arc surface of the long pipe. The drainage cleaning mechanism comprises a leakage hole, a cylinder and a fan blade assembly. The leakage hole is arranged on the arc surface of the long pipe, the cylinder is inserted into the leakage hole, and the fan blade assembly is arranged in the cylinder. The arc surface of the long pipe is provided with a square hole. The gas in the pipeline is sprayed by the atomizing nozzles, so that the concentration of the gas is reduced, and the gas explosion is prevented to a certain extent. The water in the pipeline is discharged through the cylinder and the leakage hole, so that the rusting of the pipeline caused by excessive water in the pipeline is avoided.

The utility model relates to the technical field of metal processing auxiliary equipment, and discloses an aligning and positioning tool for laminated processing of metal plates, which comprises a square guide rail, a sliding guide rail and a positioning component. A protruding block is arranged on the inner side of the square guide rail and connected with the two sliding guide rails in a sliding mode, a vertically-sliding positioning piece is arranged in each sliding guide rail, each positioning piece is composed of a sliding part and a rotating part, and the rotating parts are in rolling contact with the plate through the limiting holes. An elastic telescopic rod is arranged between the sliding guide rails to achieve self-adaptive adjustment, and the square guide rails drive the sliding guide rails to move oppositely through electric push rods. The working panel is provided with a guide groove and a slidable positioning sleeve, and plates are diagonally fixed through bolts. According to the tool, the electric push rod drives the positioning piece to conduct multi-direction linkage, the elastic telescopic rod and the rolling contact structure are combined, four-direction automatic positioning of the plate is achieved, the problems that a traditional tool is low in positioning efficiency and poor in precision are effectively solved, and the tool has the advantages of being capable of rapidly adapting to plates of different sizes, stable in multiple angles, capable of preventing deviation and capable of improving the machining precision.

This utility model discloses a self-adhesive material that reduces scratches, comprising a self-adhesive body. The self-adhesive body includes a face material layer, a first adhesive, and a first release paper. The first adhesive is disposed below the face material layer and adhered to the first release paper. A transparent film is adhered to the face material layer, and a second adhesive is disposed on both sides of the bottom of the transparent film. By using the second adhesive, this utility model can fix the transparent film, so that the transparent film can fully cover the face material layer of the self-adhesive body, effectively preventing external forces from directly contacting the self-adhesive body, thereby effectively reducing the generation of scratches, greatly improving the aesthetics of the self-adhesive body, avoiding damage to the patterns or text on the surface of the face material layer of the self-adhesive body, and the transparent film is directly adhered to the adhesive surface, making it convenient to quickly remove the transparent film if it is damaged in the future, without damaging the self-adhesive body.

The invention relates to the technical field of house construction, in particular to a modular integrated house and a construction method thereof.A foundation frame is rapidly printed and generated based on a preset printing path according to a designed foundation three-dimensional model and preset printing parameters, and placement frame lines of different sizes are arranged on the surface, away from the ground, of the foundation frame; according to the positions and sizes of placing frame lines, to-be-assembled wallboards are assembled in a classified mode, floors are assembled after foundation pouring is conducted, the floors and the wallboards are connected and fixed, wallboard gaps between every two adjacent wallboards are subjected to double-face crack pouring through a double-face crack pouring device, a rope is adjusted to be tensioned through movement of the telescopic moving end of an electric cylinder, and then the wallboards are assembled. The two crack pouring machines are started to conduct crack pouring through the grouting holes, the two crack pouring machines are in communication connection and synchronously discharge grout, the tightness of the rope is adjusted through stretching and retracting of the electric cylinder, the positions of the first crack pouring component and the second crack pouring component are adjusted till the crack pouring operation of the wall crack is completed, the construction cost can be reduced, and the construction efficiency is remarkably improved.

The utility model discloses a kind of clamping tool for various short material belt of chip mounter, it is related to clamping tool technical field, including bottom plate, the top of bottom plate is provided with cover plate, the band body of the device can accommodate various short material belt by being provided with several sink grooves on bottom plate, and the round hole of material belt side is accurately sleeved on the surface of positioning needle, realize the quick positioning and stable placement of material belt, effectively prevent material belt deviation in feeding process, the precise cooperation of cover plate with the aid of positioning hole and positioning pin, can realize the quick and accurate lamination with bottom plate, greatly improve clamping efficiency, utilize the mutual adsorption of first magnetic attraction piece on bottom plate and second magnetic attraction piece on cover plate, make cover plate tightly press fit on the top of bottom plate, make opening and closing convenient, it is convenient to frequently replace different kinds of material belt, the device is easy to operate, improve feeding reliability and production efficiency, especially suitable for short material belt quick clamping feeding demand in the scene of multi-variety, small batch production.

This utility model discloses a quick-fixing and connection mechanism for equipment inside an unmanned vessel cabin. It includes a deck with vertically upward-facing wall panels along its edge. A frame is located behind the wall panels. A connecting block capable of passing through the wall panels is installed on the side of the frame facing the wall panels. An equipment housing is located on the side of the wall panels away from the frame. A connecting plate is located on the side of the equipment housing facing the wall panels. The sidewalls of the connecting blocks are arrayed with toothed grooves. A quick-fixing component capable of engaging the toothed grooves is located on the side of the connecting plate facing the equipment housing. The quick-fixing component includes a spring-loaded element that springs to fit the toothed grooves. By using a connector and connecting block for transitional engagement, the equipment housing is positioned, reducing vibration relative to the frame. The spring-loaded element of the quick-fixing component presses against the toothed grooves for fixation. Moving the spring-loaded element away from the toothed grooves allows the connecting block to be inserted into the connector, enabling the equipment housing to quickly fit against the wall panels.

The utility model discloses a section difference thermocompression bonding sealing heat insulation sheet mold which comprises a fixing table, a pushing device, a mold table, a bottom mold, a hydraulic machine, a first heater, a second heater, an upper mold, a tightening structure and a pushing structure. According to the belt tensioning device, when the belt is stretched and loosened, and tensioning adjustment needs to be conducted, the worm is rotated to enable the rotating column to rotate, the pressing roller is pressed on the surface of the belt, under pressing of the pressing roller, the belt can be squeezed inwards to be tightened, the problem that tensioning adjustment of the belt is not convenient is solved, tensioning adjustment is conducted on the belt through the tightening structure, and the belt tensioning effect is improved. The steps are simple, the screw rod is rotated, then the push block is pushed, the pressing wheel is pressed on the belt and the rotating wheel, at the moment, the torsion spring is stressed to deform to generate elastic force, the pressing wheel can be better pressed on the surface of the belt, the belt and the rotating wheel are attached more firmly, the friction coefficient is higher, and the slipping risk can be greatly reduced.

The invention relates to the technical field of medicines, in particular to a flurbiprofen organic silicon pressure-sensitive adhesive patch and a preparation process thereof. The patch is composed of a backing layer, a medicine storage layer and a protective layer, and the medicine storage layer takes an organic silicon pressure-sensitive adhesive as a matrix and comprises the following components in percentage by weight: 1-15% of flurbiprofen, 85-99% of the organic silicon pressure-sensitive adhesive and 0.5-5% of a composite penetration enhancer. The organic silicon pressure-sensitive adhesive is prepared from vinyl silicone oil, hydrogen-containing silicone oil, MQ silicon resin, a catalyst, an inhibitor and a solvent through hydrosilylation. The preparation method comprises the following steps: dissolving flurbiprofen in a composite penetration enhancer in advance, then mixing with an organic silicon pressure-sensitive adhesive system, coating and curing to prepare the patch. The patch disclosed by the invention has the advantages of high solubility of medicines in a matrix, uniform dispersion, controllable release behavior, moderate adhesion performance and good skin compatibility, can realize stable transdermal release of flurbiprofen, and is suitable for analgesic and anti-inflammatory external treatment.

The application discloses a welding jig, which comprises a base and a carrier, wherein the base comprises a plurality of positioning members, the carrier and first and second PCBs to be welded are provided with a plurality of first positioning holes matched with the sizes of the positioning members, and the first PCB is printed with solder paste; the carrier is provided with a first groove for placing the first and second PCBs and at least one rotatable fixing member for fixing the first and second PCBs to the first groove; when the carrier is assembled with the base, the plurality of positioning members can pass through the first positioning holes of the carrier, the first PCB and the second PCB from bottom to top. Through the plurality of positioning members and the first positioning holes, the first and second PCBs can be quickly aligned and assembled, and through the first groove and the at least one fixing member, the first and second PCBs can be quickly attached, so that the performance and yield of MEMS devices can be improved, the production cost can be reduced, and the production efficiency can be improved.

The utility model relates to a touch screen processing limiting laminating machine which comprises a machine body, a laminating cavity is formed in the machine body, a pneumatic pressing plate is assembled on the upper side of the laminating cavity, a sealing door matched with the laminating cavity is assembled on the front side of the machine body, a laminating mechanism is arranged in the laminating cavity and comprises a bottom plate and a top plate, and the bottom plate is assembled in the laminating cavity; the top plate is assembled on the upper side of the bottom plate, a fitting groove is formed in the bottom plate, a planar silica gel pad is assembled in the fitting groove, a clamping groove matched with the fitting groove is formed in the upper end of the top plate, a silica gel block is fixedly arranged on the side edge in the clamping groove, a limiting rod is assembled at the upper end of the bottom plate, and a limiting groove matched with the limiting rod is formed in the lower end of the top plate; the plane silica gel pad can be limited through cooperation of the clamping ring and the base plate, so that a touch screen panel can be fixed, the touch screen can be fixed through the silica gel blocks in the clamping groove, the attaching process is stable, attaching positioning is accurate, attaching is complete, and the attaching effect on the curved touch screen is excellent through elastic wrapping of the plane silica gel pad.

The utility model discloses a heat-engine plant boiler deslagging device which comprises a boiler, and the bottom of the boiler is fixedly connected with a boiler net through bolts. A top seat; compared with the prior art, through the arrangement of the attaching mechanism and the mode that a piston is driven by air pressure to move, rapid attaching of the scraper to boilers of different sizes is achieved, the problem that an existing device cannot adapt to the boilers of different sizes is effectively solved through the self-adaptive adjusting mode, and therefore the device has the advantages of being high in adaptability, convenient to use and high in practicability. The applicability is obviously improved; through the arrangement of the deslagging mechanism, on the basis that the scraper moves up and down conventionally along with the follow-up seat in a reciprocating mode, short-distance up-and-down reciprocating motion of the scraper can be achieved, the scraper can generate higher scraping force in the deslagging process, stubborn slag can be effectively dealt with, and the deslagging effect is greatly improved.

The invention relates to a concrete tower tube segment splicing connecting structure which comprises a guide connecting assembly, the guide connecting assembly comprises a connecting rod and a guide groove, the connecting rod and the guide groove are arranged on the two opposite side walls of left and right adjacent segments respectively, the extending direction of the connecting rod is inclined downwards, and the opening direction of the guide groove is inclined upwards; the extension direction of the connecting rod is matched with the opening direction of the guide groove, the connecting rod is in sliding fit with the guide groove, and the connecting rod can automatically slide into the guide groove under the gravity action of the duct piece, so that the later hoisted duct piece is guided to move in the direction close to the previous hoisted duct piece while falling, and the hoisting efficiency is improved while hoisting is realized. Under the action of gravity, the guide grooves can limit movement of the connecting rods, relative displacement of the left and right adjacent pipe pieces in the horizontal direction is prevented, and rapid connection of the concrete pipe pieces is achieved.

The invention discloses a new energy highway-railway dual-purpose car puller, which relates to the technical field of car pulling equipment, and comprises a car pulling equipment body and a driving wheel assembly, an eight-in-one controller, a new energy battery, a high-voltage direct-current variable-frequency driving motor, a gearbox and two gearbox driving shafts are arranged on the traction equipment body, the input end of the eight-in-one controller is electrically connected with the output end of the new energy battery, and the input end of the eight-in-one controller is electrically connected with the input end of the high-voltage direct-current variable-frequency driving motor; the gearbox is connected with the high-voltage direct-current variable-frequency driving motor, the rear driving wheel assembly is installed at the rear end of the lower side of the vehicle pulling equipment body, the two corresponding height adjusting assemblies are installed on the front side and the rear side of the vehicle pulling equipment body, and the guiding assemblies are installed on the lower sides of the height adjusting assemblies. And the height adjusting assembly is matched with the guide assembly, so that steering can be performed very conveniently, and meanwhile, separation from a rail is avoided.

The utility model discloses an automobile engine die casting anti-oxidation treatment device which comprises a base, the upper surface of the base is fixedly connected with a solution box, and the upper surface of the base is fixedly connected with two supporting cylinders. According to the device, through cooperation of the sliding grooves, the sliding blocks, the containing plate, the clamping grooves and the clamping blocks, firstly, under cooperation of the sliding blocks and the sliding grooves, the containing plate and the mounting plate can be rapidly attached, rapid clamping connection can be achieved without calibrating the positions of the clamping grooves and the clamping blocks after attachment, then the clamping blocks and the clamping grooves are matched, and the clamping blocks and the clamping grooves are matched to fix the containing plate and the mounting plate. Through cooperation of a threaded rod and a lifting rod, a motor is used for driving the threaded rod to rotate, the lifting rod is made to ascend and descend rapidly, the placing plate and the mounting plate drive the casting to change the horizontal position, and finally according to the L-shaped design of the lifting rod, the casting is placed on the casting. And the placing plate and the mounting plate can drive the casting to be completely soaked in a solution in the solution box, so that the effect of quickly carrying the soaked casting is achieved.

The utility model relates to a quick and convenient work fixture for a machining center, and aims to solve the problems that a plurality of clamping plates drive non-slip mats to be in contact with the periphery of a workpiece to clamp and fix the workpiece by rotating bolts, but a plurality of groups of bolts need to be screwed to consume certain manpower and time, so that the clamping efficiency is reduced, and the work efficiency is influenced. The device comprises a base, a set of clamping mechanisms are symmetrically arranged on the surface of the base, a set of fixing frames are symmetrically and fixedly connected to the tops of the set of clamping mechanisms, and abutting mechanisms are arranged on the inner sides of the fixing frames; the hydraulic cylinder effectively drives the limiting groove frame to move downwards, so that the first sliding rod and the second sliding rod in the limiting groove frame are driven to move downwards, then the pressing strip is driven to move downwards, the pressing strip can be rapidly attached to a machined object conveniently, the machined object is effectively abutted and limited, and the machining efficiency is improved. And the two ends of a machined object in one set of clamping frames on the same side can be conveniently limited at the same time through starting of the single hydraulic cylinder, and the limiting efficiency is improved.

The utility model relates to the technical field of display screens, in particular to display screen film pasting equipment which comprises a protective soft film, a film pushing mechanism located outside the protective soft film and a calibration mechanism installed outside the film pushing mechanism. The calibration mechanism comprises a supporting plate, a clamping seat fixedly installed in the middle of the inner side of the supporting plate, a positioning piece movably installed in the clamping seat, a clamping head located at the top end of the positioning piece and a reinforcing tension spring connected between the clamping seat and the clamping head, and the film pushing mechanism comprises a transverse rod movably installed in the supporting plate. The digital equipment is placed on the top of the supporting plate, the positioning piece pulled by the reinforcing tension spring can press one end of the protective soft film till the end of the protective soft film is pressed on one side of the screen, then the outer frame is pushed, and at the moment, the cleaning roller coated with alcohol can quickly clean the screen. And the protective soft film supported by the stable platform can be quickly attached to the screen, so that a large number of bubbles caused by non-uniform pasting amplitude of the protective soft film along the screen are avoided.

The utility model discloses a waterproof heat preservation bag, which belongs to the technical field of heat preservation bags and comprises a bag body and a bag bottom, the bag body comprises liner cloth, first outer surface cloth and second outer surface cloth, two sides of the liner cloth are connected after the liner cloth is wound, the lower end of the liner cloth is connected with the bag bottom, and a first accommodating space is formed between the liner cloth and the bag bottom. The first outer surface cloth is connected with a sealing assembly, the two sides of the lower end of the second outer surface cloth are connected after the wrapping bottom is wound, the lower end of the second outer surface cloth is connected with the wrapping bottom side edge, the lower end of the first outer surface cloth is connected with the upper end of the second outer surface cloth, and a second containing space is formed among the first outer surface cloth, the second outer surface cloth and the liner cloth. A first heat preservation body is arranged in the second containing space. According to the utility model, unnecessary connecting structures and materials are reduced; liquid in the first accommodating space does not enter the middle layer; the magnetic-attraction-strip-sealed first containing space is arranged on the first outer surface cloth, the structure is simple, sealing and opening are convenient, and the sealing effect is good.

The utility model relates to the technical field of earphones, in particular to a self-adaptive springback earphone and an earphone module. The self-adaptive springback earphone comprises an earphone body, an air bag and an adjusting assembly, the air bag is connected with the earphone body, the side, away from the earphone body, of the air bag is used for being attached to the ear contour, an air bag cavity is formed in the side, close to the earphone body, of the air bag, and the adjusting assembly comprises a main exhaust groove which is formed in the side, close to the earphone body, of the air bag. The first end of the main exhaust groove is located in the air bag cavity, and the second end of the main exhaust groove communicates with the outside so that the air bag cavity can communicate with the outside. By applying the technical scheme of the invention, the air bag can realize rapid self-adaptive rebound, so that the air bag can be stably attached to the ear contour in various use scenes, and the wearing comfort and stability of the earphone are further improved.

The utility model provides a furnace door opening and closing device and a reaction furnace system, relates to the field of semiconductor or photovoltaic processing equipment, and solves the technical problem that vibration is generated when a furnace door is closed or a furnace opening is exposed. The furnace door opening and closing device comprises a rotary driving source, a lead screw, a lead screw nut, a spline shaft assembly, a supporting assembly, a cantilever assembly and a guide assembly. The furnace door assembly is driven to move through the lead screw and the rotary driving source, compared with a mode that the furnace door assembly is driven to move through an air cylinder, an additional compressed air source does not need to be arranged, cost is saved, stability is high due to the fact that an air pressure source is not needed to drive the furnace door assembly to move, and the vibration degree of the furnace door assembly is reduced. Therefore, the firm damage degree of the contact face of the furnace door assembly and the furnace mouth is reduced, the furnace door assembly can be tightly attached to the furnace mouth more quickly, and heat overflow is reduced. In addition, the guide assembly is matched with the guide groove, the cantilever assembly can drive the furnace door assembly to rotate, and flexibility is improved.

The utility model relates to the technical field of hydraulic systems, in particular to a two-way stop reversing valve and a pressure relief structure thereof. The pressure relief structure comprises a first valve sleeve and a second valve sleeve, wherein a first valve port, a second valve port and a liquid drainage port are formed in the first valve sleeve; the main valve element and the pilot valve element are movably arranged in the first valve sleeve, and a first liquid channel connected with the first valve port and the second valve port is formed in the main valve element; a pressure relief channel communicated with the first liquid channel is formed in the second valve sleeve, the pilot valve element is in sliding connection with the second valve sleeve, and the pilot valve element slides along the second valve sleeve to achieve communication or cut-off of the liquid drainage opening and the pressure relief channel. The two-way cut-off reversing valve comprises the pressure relief structure and a driving part used for driving the pilot valve element to move in the second valve sleeve. The technical problems that in the prior art, a pilot valve element is closed in the moving space between a valve sleeve and a main valve element, hydraulic impact in a two-way stop reversing valve is difficult to effectively buffer or release, and switching is stuck or response is slow are solved.

The invention discloses supercritical fluid bead foaming shoe material film pasting equipment, and relates to the technical field of shoe material film pasting, the supercritical fluid bead foaming shoe material film pasting equipment comprises a table body, the top of the table body is provided with two hot pressing assemblies; the power assembly is arranged at the top of the table body, and the power assembly is connected with the two hot pressing assemblies; and the heating assembly is arranged on the side wall of the table body. According to the device, descending power can be provided for the first heating bases through work of the power assembly, the descending speeds of the two first heating bases are different through work of the control assembly, and therefore the first heating base with the high descending speed can be rapidly attached to the corresponding second heating base; according to the hot melt adhesive film laminating device, the laminating work of the supercritical fluid bead foaming shoe material and the hot melt adhesive film is achieved, the first heating base which descends slowly can slowly get close to the supercritical fluid bead foaming shoe material, the supercritical fluid bead foaming shoe material is gradually heated, and preheating treatment of the supercritical fluid bead foaming shoe material is achieved.