413results about How to "Guaranteed flatness" patented technology

The invention discloses an assembly type building stair mold, and relates to the technical field of stair molds, the assembly type building stair mold comprises a mold mechanism, the side face of the mold mechanism is provided with a transverse steel bar limiting mechanism, and the transverse steel bar limiting mechanism is used for limiting and fixing transverse steel bars in a prefabricated stair. According to the longitudinal reinforcement limiting mechanism, the height of a clamping head is accurately adjusted through a third mounting bolt, the clamping head can be flexibly selected according to the diameter of a longitudinal reinforcement, the mounting height and position of the longitudinal reinforcement can be accurately controlled, the overall positioning accuracy of a reinforcement framework is guaranteed, and then the mechanical property of the prefabricated stair is improved; the sleeve plays a role in protecting the end, inserted into the mold mechanism, of the third mounting bolt, it is avoided that concrete adhesion affects bolt disassembly, meanwhile, due to the detachable design of the third mounting bolt and the modular structure of the steel bar limiting mechanism, the demolding difficulty is lowered, damage to stairs after a component is formed is reduced, and the demolding efficiency and the finished product quality are improved.

The invention provides a display backboard stamping process optimization method and system, and relates to the technical field of process optimization. According to the method, multi-area differential mesh division is carried out on a plate finite element model, fine meshes are adopted for a high-strain small-curvature area and a high-strain area, rough meshes are adopted for a trimming allowance area, and medium meshes are adopted for other areas. The deformation behavior of the key area is accurately captured, and the reliability of simulation prediction is remarkably improved under the same computing resource. And then, reverse compensation iterative correction and rapid convergence are performed on the initial molded surface based on a springback prediction result to obtain an optimized molded surface model, and source control is directly performed for springback errors, so that the number of times and period of mold testing which traditionally depends on experience are greatly reduced. According to the method, through linkage of simulation and real-time sensing data, dynamic optimization and closed-loop control of the process window are achieved, and the forming quality and production stability of the display backboard are effectively improved.

The utility model discloses a round rubber part flash cutting device which comprises a workbench, a fixing mechanism is arranged above the workbench, the fixing mechanism comprises a shell, and the fixing mechanism is used for fixing a round rubber part; a rotating mechanism is arranged below the shell, and the rotating mechanism is used for rotating the shell; a moving block is arranged at the position, corresponding to the shell, above the workbench, a connecting rod is connected to the side, close to the shell, of the moving block, and a cutter is connected to the lower portion of the end, close to the shell, of the connecting rod; after cutting is completed, a first motor and a third motor rotate reversely, a cutting knife and a positioning block are made to be far away from the circular rubber part, at the moment, the circular rubber part is taken down from the containing table, then the flash of the next circular rubber part can be cut, and after the flash of the circular rubber part is cut, the flatness of the circular rubber part can be guaranteed; and the use is convenient, and the working efficiency can be improved.

The invention relates to the field of LED display screen installation and splicing, and discloses an arc-shaped lock capable of adjusting an LED display screen box gap, the arc-shaped lock comprises a first lock seat and a second lock seat, the inner side of the first lock seat is in sliding connection with a first lock cylinder, the inner side of the second lock seat is in sliding connection with a second lock cylinder, the middle of the first lock cylinder is provided with a locking assembly, and the locking assembly is arranged on the inner side of the second lock seat. A fixing assembly is fixedly installed on the side face of the first lock cylinder, the locking assembly comprises a clamping column, the clamping column is arranged in the middle of the first lock cylinder and the middle of the second lock cylinder, a sliding groove is formed in the clamping column, and a pin is slidably connected into the sliding groove. The clamping blocks are opened to be clamped into the annular groove in the second lock cylinder, and internal buckling and axial limiting of the two lock cylinders are achieved. And in cooperation with a screwing structure of the nut and the external thread of the clamping column, continuous axial pressing force can be applied to the surface of the lock cylinder, and the flatness of the splicing face of the LED display screen and the stability of the overall structure are ensured.

This utility model discloses an antistatic polymer POF heat shrink film processing equipment. A cutting plate is clamped to the top of the processing frame, and several cutting hydraulic cylinders are equidistantly installed on the top of the processing frame. A punching blade is clamped to the bottom of each cutting hydraulic cylinder. Several fixing frames are welded equidistantly to the top of the processing frame, and several moving limit ropes are equidistantly clamped to the top of the punching blades. A positioning support frame is installed at the bottom of each moving limit rope. This utility model, through the flattening and guiding limit during movement and the separation and cooperation during punching, allows for steady flattening of the film during movement, while avoiding excessive stretching during punching, which could lead to film breakage. This ensures steady punching during continuous production, reducing the occurrence of punching position deviation and uneven punching due to wrinkles, greatly guaranteeing product quality.

The application relates to the technical field of machining, and particularly discloses a cutting method of a long-shaft part fixed-length cutting production line, the long-shaft part fixed-length cutting production line comprising a rack, a cutting machine, a first blocking mechanism and a conveying line, the first blocking mechanism comprising a mover, a first driver and a first baffle, the mover driving the first baffle to move, and the first driver driving the first baffle to move close to or away from the conveying line; the unloading mechanism comprising a turnover plate rotationally connected to the rack, and the conveying line comprising a roller conveying line, the roller conveying line comprising a plurality of rollers, the turnover plate being located between adjacent rollers and being capable of supporting the part; the method comprising the following steps: S1, end cutting of a base material; and S2, fixed-length cutting of the base material: the base material is conveyed to be blocked by the first baffle under the conveying of the conveying line, then the cutting machine is started, and the cutting machine cuts the base material to form a fixed-length part. The scheme is used to solve the problem of high labor cost in the prior art that manual transfer of the fixed-length cut part is needed.

The utility model discloses a battery car instrument panel housing installation structure, and relates to the technical field of battery car instrument panel housing installation, the battery car instrument panel housing installation structure comprises an installation rack, the top of the installation rack is provided with an instrument panel housing body, and both sides of the bottom of the installation rack are provided with shifting assemblies extending into the instrument panel housing body. A locking assembly is arranged in each shifting assembly, each shifting assembly comprises a shifting piece, a shifting sleeve is arranged at the top of each shifting piece, supporting columns are arranged on the two sides of the top of each shifting sleeve, and notches are formed in the tops of the adjacent sides of the two supporting columns. According to the electric bicycle instrument panel housing installation structure, the installation of the electric bicycle instrument panel housing installation structure can be positioned in advance, the electric bicycle instrument panel housing installation structure is firstly positioned to a proper position, and then the installation end of the electric bicycle instrument panel housing installation structure is independently locked through the locking assembly, so that the electric bicycle instrument panel housing installation structure has the function of rapid positioning and butt joint; and the hole position does not need to be repeatedly adjusted in the mounting process.

The utility model provides a foaming forming device for sponge production, including frame still including sponge bearing assembly, lifting drive component, forming limiting component, pressure roof subassembly, feeding assembly and blanking assembly, the utility model has realized after sponge foaming forming, does not need manual to dismantle to the limiting plate, bearing plate and roof, can realize the automation to sponge and carries out stripping, thereby effectively alleviate the work load of staff, still speeded up the efficiency of sponge production, still through setting up pressure roof subassembly, when to sponge carries out foaming setting, electric telescopic handle drives the pressure plate to move downward to the top of sponge to limit thereby, thereby guarantee the flatness of sponge top, thereby reduces the situation that the sponge middle protrudes, thereby reduces the cutting part that needs to sponge, thereby reduced the waste to sponge.

The application relates to a supporting assembly and a display device, which can be switched between an unfolded state and a rolled state, comprising: a rotating shaft for driving the supporting assembly to be switched between the unfolded state and the rolled state; a supporting layer having a first end and a second end opposite in a first direction, the second end being connected with the rotating shaft; a supporting rod arranged on one side of the supporting layer close to the rotating shaft, comprising a plurality of supporting units arranged in sequence and connected in a head-to-tail mode, the angle between adjacent supporting units being adjustable, the supporting rod having a third end and a fourth end opposite in the first direction, the third end being connected with the first end, and the fourth end being connected with the rotating shaft; in the rolled state, the supporting layer and the supporting rod are wound on the rotating shaft; in the unfolded state, the supporting layer and the supporting rod are unfolded along the first direction, and the supporting rod abuts against the surface of the side of the supporting layer close to the supporting rod. The supporting assembly provided by the embodiment of the application can prevent the screen body from being warped and improve the flatness after the rolled screen is unfolded.

This utility model discloses an integrated transition yaw connection system for wind turbines, belonging to the technical field of wind power generation equipment. The system includes a wind turbine tower, a slewing bearing, a short-section cylinder, and a lower platform. The wind turbine tower has a truss-type hollow structure. The short-section cylinder is vertically arranged and its top is welded to the lower platform as a whole. Its bottom is connected to the top of the tower through the slewing bearing. This utility model uses a hierarchical structure of truss tower-slewing bearing-short-section cylinder-platform. It utilizes the short-section cylinder to distribute the nacelle load and compensate for installation errors. Combined with the slewing bearing, it achieves low-friction and stable yaw. This structure effectively solves the problems of heavy self-weight, obvious yaw vibration, complex assembly, and easy wear of connection parts of traditional wind turbine towers. It has the advantages of lightweight, stable yaw, convenient installation, and long service life.

The application discloses a non-Newtonian fluid elastic auxiliary support clamp and belongs to the technical field of machining clamps. The clamp comprises a bottom plate provided with arrayed stepped mounting holes, an elastic auxiliary support assembly, a fixed support assembly and a pressing assembly. The upper section of the mounting hole is a smooth hole, and the lower section is a threaded hole; the elastic auxiliary support assembly comprises a non-Newtonian fluid medium filled in the hole, a compression spring arranged at the bottom and an elastic support nail in the shape of a stepped shaft. The fixed support and the pressing assembly are fixed in the mounting hole through threads. The application utilizes the shear thickening characteristic of the non-Newtonian fluid, and under the action of a milling impact force, the medium is instantaneously solidified to generate rigid support, thereby effectively inhibiting machining vibration and tool relief deformation of the overhanging part of a thin-walled plate part. The application has the advantages of simple structure, low cost, good universality and adaptability to multi-variety and small-batch production.

This utility model relates to a snap-fit ​​structure, a car door, and a vehicle. The snap-fit ​​structure connects an assembly and a door panel body, forming a cavity between the assembly and the door panel body. The snap-fit ​​structure includes a first connector and a second connector, both disposed within the cavity. The first connector connects to the assembly, and the second connector connects to the door panel body, with the first and second connectors engaging and securing each other. Compared to existing technologies, this utility model's snap-fit ​​structure snaps the assembly to the door panel body. In this structure, the first connector connects to the assembly, and the second connector connects to the door panel body, forming a cavity between them. Within this cavity, the first and second connectors snap together, connecting the assembly and the door panel body. The fact that both connectors are disposed within the cavity avoids opening holes in the door panel, maintaining the flatness of the door panel body.

The utility model discloses a small turning plough with a leveling function, and belongs to the technical field of small turning ploughs. Comprising a rack, a soil crushing assembly, a leveling assembly and a plowing assembly are arranged below the rack, the leveling assembly is located between the soil crushing assembly and the plowing assembly, the plowing assembly comprises a third mounting frame, a plowing shaft is arranged in the third mounting frame, and the two ends of the plowing shaft are connected with the third mounting frame through bearings; coulters are arranged on the outer wall of the plowing shaft and are uniformly distributed in the circumferential direction of the plowing shaft in a herringbone shape. According to the small turning plough with the leveling function, by arranging the turning assembly and the herringbone coulter, bidirectional soil turning and loosening and soil cutting and turning can be achieved, so that the soil structure is effectively broken, the soil hardening problem can be avoided, the air permeability and drainage performance of soil are improved, the rotation direction of the turning shaft interacts with the soil structure, and the leveling effect is improved. Therefore, the loosening effect of soil is enhanced, and the tillage depth and quality are improved.

The utility model discloses a kind of phosphogypsum interlocking module wall structure, belong to phosphogypsum wall body technical field, including locating frame, the locating frame is provided with two, two locating frames are set from top to bottom;The utility model sets scrape flat subassembly, operator inserts finger part into arc-shaped groove inside, then forces drives mounting plate to move up, mounting plate moves up and drives second magnetic ring to move up and separate from first magnetic ring, when mounting plate is away from placing groove, then it is extracted from the plug-in hole inside and is inserted into column, after subsequent first layer phosphogypsum mortar screed layer and second layer phosphogypsum mortar screed layer are poured and are completed, operator is again hand-held mounting plate and drives scraper to move and carries out scraping operation to first layer phosphogypsum mortar screed layer and second layer phosphogypsum mortar screed layer surface, guarantee the flatness of first layer phosphogypsum mortar screed layer and second layer phosphogypsum mortar screed layer surface, and then the quality of phosphogypsum composite wall after pouring can be guaranteed.

This utility model discloses a packaging mold for a suspended guide coil, relating to the field of mold packaging technology. The device includes a material carrier plate; the material carrier plate has a material-carrying cavity inside, and the top and bottom of the material-carrying cavity are respectively provided with a first mounting limiting groove and a second mounting limiting groove. The first and second mounting limiting grooves are respectively fitted with a first molding component and a second molding component, which support the top and bottom coils. A lead wire support assembly is provided below the bottom coil. The packaging mold for the suspended guide coil of this utility model, through the mutual cooperation of various structures / components in the lead wire support assembly, ensures the parallelism of the three lead wires during the packaging process, effectively avoiding deformation under external force and improving the packaging accuracy of the coil.

The utility model discloses a battery structure with a circuit board convenient for automatic production, which comprises a battery shell, a polymer battery cell and the circuit board, the circuit board is a double-sided board, a conductive bonding pad is arranged in the center of the bottom surface of the circuit board, a battery anode cap is arranged in the center of the top surface of the circuit board, and a battery charging and discharging management circuit is integrated on the top surface of the circuit board. The top surface of the circuit board is provided with an electroless copper hole communicated with the conductive pad, and a master control IC of the battery charging and discharging management circuit is electrically connected with the conductive pad through a pin connected with the electroless copper hole. An L-shaped conductive elastic sheet is welded on the edge of the circuit board and is connected with a negative electrode of the battery charging and discharging management circuit, a rubber cover covers the top of the circuit board, the rubber cover is correspondingly provided with a hole position penetrating out of a battery positive electrode cap, and the side wall of the rubber cover is tightly matched and connected with the upper end of the battery shell, so that the conductive pad is propped against a positive electrode end at the upper end of the polymer battery cell; the L-shaped conductive elastic sheet is tightly attached to the inner wall of the battery shell, and the negative electrode end of the bottom end of the polymer cell is connected with the L-shaped conductive elastic sheet through the battery shell.

The application provides a pressing cloth assembly of a dehydration device and a control method of the dehydration device. The pressing cloth assembly of the dehydration device comprises a pressing rod, and further comprises a support frame, a connecting rod and a driving member. The connecting rod is hingedly connected to the support frame and hingedly connected to a connecting link. The connecting link is arranged above or below the support frame and is slidable along the length direction of the pressing rod. The driving member is slidably connected to the pressing rod through a guide assembly. The extension direction of the guide assembly is parallel to the rotating surface of the connecting rod and is arranged at an angle with the connecting link. The moving path of the driving member is parallel to the connecting link. During the process that the driving member drives the pressing rod to slide along the connecting link, the connecting rod is driven to rotate, and the connecting link slides along the guide assembly. Through the above arrangement, one power source can drive the driving member to move towards the filter cylinder, so that the pressing rod is fed and pressed towards the filter cloth, the power source for driving the pressing rod is reduced, the cost of the equipment is reduced, and the control system of the pressing cloth assembly is simplified.

The utility model relates to a supporting device for building curtain wall construction, which belongs to the technical field of building curtain wall construction and comprises a fixed groove drum and a movable block slidably mounted on the inner wall of the fixed groove drum. Connecting grooves used for connection are formed in the peripheral sides of the surfaces of the connecting circular groove blocks, long-shaft screws used for threaded connection are rotatably mounted on the inner walls of the connecting circular groove blocks, unfolding assemblies used for unfolding and supporting are arranged on the inner walls of the multiple connecting grooves, and each unfolding assembly comprises a connecting bent plate slidably mounted on the inner wall of the corresponding connecting groove; according to the utility model, the problem of fixed arrangement of a traditional structure is solved, and the device has an adjusting effect on different positions, so that the fixing flatness of the mounting panel can be ensured, and the problems that the panel is possibly cracked, broken and even falls off to endanger the safety of pedestrians when the panel is not flatly or obliquely fixed are further avoided.

The utility model provides a kind of reciprocating bracket mechanism of deep well detection device, including two bearing seats, screw rod, guide shaft, guide sliding block, driving gear, rotating clutch seat and manual adjusting rod, screw rod and guide shaft are installed between two bearing seats in parallel, guide sliding block is equipped with guide sliding sleeve and translation sliding sleeve, guide sliding block upper end is further equipped with the guide roller assembly for cable multidirectional limit guide. The utility model is simple in structure, can ensure smoothness and neatness when paying off or taking up wire of deep well detection device, and can also manually adjust guide sliding block, ensure stable operation and neatness precision of the reciprocating bracket mechanism.

The application discloses a kind of FPC temperature acquisition structures, including the temperature acquisition component of connecting aluminum-based FPC, temperature acquisition component includes integrally injection-molded temperature acquisition shell and conductor structure, temperature acquisition shell includes temperature acquisition part with temperature sensor and positioning part with connecting window, conductor structure is formed by copper material connecting piece and aluminum material connecting piece composite Copper material connecting piece is extended to temperature acquisition part and connected with temperature sensor, and aluminum material connecting piece is welded with aluminum-based FPC at connecting window position, the combination of same metal is better, welding strength is high and contact area is large, improve electrical contact performance, so that temperature information collected by temperature sensor can be reliably transmitted to FPC product, this conductor structure is designed using copper-aluminum composite structure, with high bonding strength, excellent conductivity and thermal conductivity, easy to weld, low contact resistance characteristics, can meet the welding requirements of conductor structure and aluminum-based FPC, also can reduce production cost, improve product performance.

The application belongs to the technical field of textiles, and particularly relates to a textile equipment for embedding metal wires and a working method thereof, which comprises a machine body, a winding roller arranged at the middle part of the machine body, a cutting assembly arranged above the machine body, wherein the cutting assembly comprises an upper cutter and a lower cutter which are slidably arranged above the winding roller, the upper surface of the upper cutter is provided with a protective piece which is used for isolating the cutting edge of the upper cutter from the silver-plated wire, one side of the cutting assembly is provided with a clamping assembly, the clamping assembly comprises two positioning clamps which are slidably arranged at one side of the upper cutter, and the two positioning clamps are used for clamping one end of the silver-plated wire which is cut off at the same time, and the problem of rebound of the silver-plated wire after suddenly losing the tension is solved by arranging the cutting assembly and the clamping assembly.

The utility model relates to the technical field of thin film processing, in particular to a thin film breaking device wide in application range, which comprises a working table, supporting legs, supports, a top plate, a lifter, an adjusting assembly and a cutting assembly, the supporting legs are arranged at four corners below the working table, the supports are arranged at four corners above the working table, and the top plate is arranged on the top plate. The top plate is arranged above the four sets of supports, the adjusting assembly comprises a sliding frame, a motor, a positive and negative tooth screw rod, sliding blocks and a mounting frame, the two sets of sliding blocks are driven by the positive and negative tooth screw rod in the adjusting assembly to move in the sliding grooves in the opposite directions or in the back-to-back directions, and the cutting assembly installed below the sliding blocks can achieve double-side simultaneous cutting. Compared with traditional single-side cutting, the double-side cutting mode has the advantages that the problem that cutting edges are not flush due to uneven single-side stress can be effectively solved, the flatness of the edges of the cut film is guaranteed, and the subsequent processing quality is improved; the cutting distance is convenient to adjust through double-side cutting, and the application range of the device is widened.

This utility model discloses a pressing device for circuit boards, relating to the field of circuit board technology. A movable component is fixedly installed inside the frame, and a cleaning component is fixedly installed on the inner wall of the frame. A pressing component for pressing the circuit board and aluminum sheet is installed on one side of the cleaning component. The pressing component includes a support frame fixedly installed on the inner wall of the frame, a drive cylinder fixedly installed on the top of the support frame, a pressing head fixedly installed at the output end of the drive cylinder, and a telescopic rod rotatably installed on one side of the pressing head. The circuit board and aluminum sheet are bonded together using 3M 9079 adhesive. The circuit board is an FR4 circuit board. This utility model solves the deformation problem caused by the inconsistent expansion coefficients of FR4 circuit boards and aluminum sheets after SMT high-temperature reflow soldering by using 3M 9079 adhesive to bond them together, ensuring the flatness and stability of the finished product, and improving the soldering quality of electronic components on the circuit board.

The present application relates to the technical field of external use patch, disclose a kind of neck shoulder waist leg pain health care patch and its preparation method, the health care patch includes backing layer, ointment layer and anti-adhesion release layer;Ointment layer raw material includes: traditional Chinese medicine extract flow leaching paste, L- (+) -tartaric acid, PVP K30, PEG-400, ternary eutectic solvent, polyacrylate pressure sensitive adhesive matrix and ultrafine medicinal powder.Preparation, after flow leaching paste, tartaric acid etc. are mixed, gel precursor is formed by vacuum dewatering and dealcoholization, swelling is added again with eutectic solvent, and then mixed with pressure sensitive adhesive matrix and medicinal powder high shear, finally coating solidification.The present application constructs physical crosslinking gel network in colloid interior and promotes effective component acid-base salt formation, effectively avoids polar component crystallization precipitation, reduces the skin irritation caused by drug burst release, simultaneously improves the cohesion of ointment, realizes long-acting smooth drug release.

The utility model discloses a food grade liquid cold storage tank, which relates to the technical field of food storage and specifically comprises a support and a Miller plate evaporator, a cold storage tank body is arranged at the top of the support, and a breather valve, a stirring structure, an inlet hole and a liquid inlet are arranged at the top of an inner cavity of the cold storage tank body. The inner cavity of the refrigeration tank body is provided with a pressurized automatic rotary cleaning CIP spray head, the stirring structure comprises a stirring rod movably connected with the top of the inner cavity of the refrigeration tank body, the top end of the stirring rod is provided with a stirring blade I, and the bottom end of the stirring rod is provided with a stirring blade II. According to the food-grade liquid refrigeration tank, manufacturing of the Miller plate evaporator and connection of the refrigeration plate and the liquid layer are achieved through the laser welding technology, the deformation probability of the inner wall of the refrigeration tank body is reduced, the smoothness and the use strength of the interior of the refrigeration tank body are guaranteed, and when the refrigeration tank is used, the refrigeration plate directly makes contact with liquid in the tank, so that the refrigeration effect is improved. The heat exchange efficiency is optimized, and the using effect is improved.

The utility model belongs to the non - woven fabric production technical field especially is a kind of non - woven fabric production is with the feeding leveling anti - wrinkle device, including the feeding frame of non - woven fabric feeding use, two guide rollers are rotatably connected on the front and rear side inner wall of feeding frame, the support plate is fixedly connected on the front and rear side inner wall of feeding frame, the tensioning mechanism is provided on the support plate, the front side fixed connection of feeding frame has the cover, dust suction heating mechanism is arranged between cover and feeding frame. The utility model structure design is reasonable, can first non - woven fabric upper and lower surface dust and lint and other impurities are cleaned, avoid under hot pressing dust and lint to be pressed into non - woven fabric and reduce non - woven fabric quality, through hot pressing and two spin direction opposite open width, non - woven fabric can be pulled left and right and pulled before and after, avoid non - woven fabric to wrinkle, guarantee the flatness when non - woven fabric feeding, make anti - wrinkle effect better.

The utility model discloses a kind of SMC sheet double-roller calendering devices, including base, the left end of base is equipped with motor, and the output shaft of motor is connected with the shaft of calendering roller by transmission gear, the calendering roller is provided with two, and calendering roller rotation is installed in the inside of support;Further include: movable shaft, fixed to the one end of calendering roller away from transmission gear, the movable shaft is engaged transmission by bevel gear set and transmission shaft, and the outside of transmission shaft is provided with suction assembly, the suction assembly is connected with fixed box, and fixed box is installed in the side of calendering roller, and the upper edge of fixed box is pasted with cleaning strip.The SMC sheet double-roller calendering device, in calendering working process, part of material or dust adhered to calendering roller surface can be cleaned in time, avoid affecting the flatness of subsequent calendering product surface, and then improve product quality.

The application discloses a kind of copolymer organic semiconductor devices based on isolation and interconnection and preparation method, including substrate, photoetching blocking layer, insulating isolation layer, N organic field effect transistor and N-1 interconnection line;Photoetching blocking layer includes isolation layer and inorganic dielectric layer;Isolation layer is opened with N longitudinal through isolation groove along length direction;Inorganic dielectric layer includes lower dielectric layer and upper dielectric layer;Lower dielectric layer is located in N isolation, and upper dielectric layer is laid on the top of isolation layer and lower dielectric layer;Each organic field effect transistor includes semiconductor layer, source, drain and gate;Semiconductor layer is laid in the isolation groove at the bottom of corresponding lower dielectric layer section, and its material is organic copolymer.The application effectively utilizes isolation groove and photoetching blocking layer, and the semiconductor layer of different semiconductor materials is wrapped and isolated, so as to realize the integration of different organic field effect transistors on the same substrate, and the organic field effect transistor can realize effective interconnection.

This utility model discloses a limiting manhole ring for anti-settlement manhole covers, including a base layer, a ground layer, and a limiting mechanism. The ground layer is laid on top of the base layer, and the limiting mechanism is set inside the base layer and the ground layer. The limiting mechanism includes a well hole, an insertion hole, a support ring, a reinforcing bar, a concrete manhole ring, and a ring-shaped reinforcing bar. The well hole is opened inside the base layer, and the top of the well hole penetrates the ground layer. The insertion hole is opened vertically on the outer periphery of the well hole inside the ground layer, and the bottom of the insertion hole extends into the base layer. When the manhole ring and the manhole cover are under pressure, the pressure at the pressure point can be dispersed and transmitted to the interior of the base layer because the position of the support ring is fixed. At the same time, because the reinforcing bar is embedded in the concrete, its position is fixed, and the support ring will not tilt or settle, thereby improving the stability of the concrete manhole ring. It can still avoid settlement problems after long-term pressure and maintain the smoothness of the road surface.