21results about How to "Guaranteed width" patented technology

The invention relates to a high-voltage level shift circuit and a layout structure thereof, and the high-voltage level shift circuit comprises a pulse generation module which is used for receiving an input signal and generating a double-path low-voltage domain narrow pulse signal; the level shift module is used for receiving the low-voltage domain narrow pulse signal and converting the low-voltage domain narrow pulse signal into a corresponding double-path high-voltage domain narrow pulse signal; the voltage transient noise detection module is used for detecting voltage transient noise and generating a transient noise intensity signal; the voltage transient noise filtering module is used for filtering voltage transient noise based on the received transient noise intensity signal to generate a double-path high-voltage domain filtering signal; and the RS trigger is used for converting the received high-voltage domain filtering signal into a high-side power device driving signal. The common-mode noise filtering capability and the VS negative bias resisting capability of the voltage transient noise filtering module can be enhanced, the transmission delay of a chip is effectively reduced, and the width of a narrow pulse signal is free of loss in the transmission process, so that the dynamic power consumption is reduced.

The utility model discloses a straight knife grinding and polishing equipment, including the body and the sucking disc workstation who sets along the body length direction, sucking disc workstation can rotate left and right and adjust the work position, and the grinding head seat is swingly supported on the body through horizontal guide rail pair, and the grinding head is swingly supported on the grinding head seat through vertical guide rail pair and grinding head slide seat, and the grinding head is driven to run by grinding head motor, and the horizontal guide rail pair is also provided with horizontal shift slide table on one end of grinding head seat, and the polishing support is provided with on horizontal shift slide table through polishing wheel lifting guide rail pair, and the polishing motor is installed on the polishing support, and the motor shaft of polishing motor is vertically arranged, and the polishing wheel disc is installed on the motor shaft end of polishing motor, and the inclined polishing surface is arranged on the upper end face outer periphery of polishing wheel disc. The straight knife grinding and polishing equipment of the utility model not only can realize the grinding and polishing processing of the sheet straight knife, but also is simple in structure and convenient to use.

The utility model discloses a convenient fast-assembly retractable grading ring for a field test, which comprises an air bag, a plurality of groups of metal covers are uniformly arranged on the outer side of the air bag, the plurality of groups of metal covers are connected with each other through wires, an inflation and deflation port is arranged at the bottom of one side of the inner side of the air bag, and the inflation and deflation port is communicated with the air bag. Six sets of hook-and-loop fastener connecting assemblies are evenly arranged on the edge of the bottom of the air bag. According to the utility model, through mutual cooperation among the air bag, the metal cover, the lead and the hook-and-loop fastener connecting assembly, when the device is installed, the device can be covered on experimental equipment, the grading ring and the experimental equipment are rapidly and reliably connected through the hook-and-loop fastener A and the hook-and-loop fastener B, and the connection effect is enhanced through clamping of the clamping groove and the buckle; the installation and maintenance time is greatly shortened, and after the device is installed, the grading ring can inflate and expand the air bag when a product test is carried out in a use state, so that the diameter of the grading ring meets the voltage and anti-corona requirements.

The present invention provides a link plate and a chain which are highly versatile and easy to manufacture, can reduce friction resistance while maintaining the height of the guide side end surface at a low level, can suppress the surface pressure and ensure tensile strength. Specifically, the guide side end surface (120) of the link plate (101) is composed of a flat portion (121) and two side end surface portions (122), the flat portion (121) is composed of a flat surface parallel to a straight line connecting the center (C) of a front and rear connection hole (111), the two side end surface portions (122) are arranged on both sides of the flat portion (121) in the longitudinal direction of the chain, and the two side end surface portions (122) are formed so as to approach a straight line connecting the center of the front and rear connection holes (111) as they move away from the flat portion (121).

This invention discloses a semiconductor device, its manufacturing method, and an electronic device, relating to the field of semiconductor technology. It addresses the problem that etching a buffer layer during bit line etching reduces the area of ​​the contact portion of the subsequently formed memory node, resulting in a sidewall tail structure. The semiconductor device includes: a substrate having a cell region and a peripheral region; a buffer layer covering the cell region; a bit line contact structure located in the cell region, extending through the buffer layer; bit lines formed on the bit line contact structure; and a conductive layer formed between the bit line contact structure and the bit lines. The manufacturing method of the semiconductor device is used to manufacture semiconductor devices. The semiconductor device provided by this invention is used in electronic devices.

The present invention discloses a magnetron coating device for producing coated glass, and relates to the technical field of coating. The magnetron coating device comprises a transmission platform, a working room and a bearing assembly. A conveying mechanism is arranged at the inner upper end of the transmission platform, and the working room is arranged at the middle position above the transmission platform. Compared with the current magnetron coating device, a linear motor and a sealing assembly are arranged. The linear motor drives the sputtering assembly to move horizontally in the working room to coat glasses of different specifications. On the one hand, the sealing performance of the working room during coating can be improved by the sealing assembly. On the other hand, compared with the magnetron coating equipment currently used in the production line, when the glass to be coated in the present invention enters and exits the feed port, the working room will not be polluted by the external environment, thereby ensuring the effect of glass coating. At the same time, the present invention can also reduce the time of evacuating the working room, thereby improving work efficiency.

This application provides a forming system, including a forming machine; two first platforms, respectively located on opposite sides of the forming machine; each first platform is equipped with an alignment mechanism and a side-pushing mechanism, the alignment mechanism including a side baffle, the side-pushing mechanism including a first push plate, the side baffle and the first push plate being configured to push against opposite sides of the sheet material to be pressed on the first platform; two second platforms, respectively located on the side of the two first platforms away from the forming machine, each second platform being equipped with a vision positioning component; along a second direction, a rear stop mechanism and a side-pushing device are respectively arranged on opposite sides of the lower mold, the rear stop mechanism including a rear stop member, the side-pushing device including a third platform and a second push plate; along a first direction, vision inspection components are respectively arranged on opposite sides of the forming machine; and a traverse component. The forming system reduces the labor intensity of workers, achieves high forming consistency, and avoids safety hazards by forming the sheet material to be pressed.

The utility model relates to the technical field of elevators, in particular to an elevator ladder stand which comprises a fixed frame connected with an elevator base, a lower pedal is connected in the fixed frame, one end of the lower pedal is connected with the fixed frame through a rotating shaft, a sliding frame is sleeved on the outer side of the fixed frame, and an upper pedal is connected in the sliding frame. The sliding frame slides upwards and is connected with the fixed frame through a pin shaft; the upper pedal is lapped at the upper end of the fixed frame; according to the ladder stand, the overall length of the ladder stand can be increased, the height which the ladder stand can reach can be increased, the distance between the ladder stand and a platform is shortened, the convenience and safety of a worker climbing to the platform are improved, when the ladder stand is not used, the upper pedal can be stored, the length of the ladder stand is shortened, space is saved, and advancing stability is ensured.

This invention discloses a sealing process, including pretreatment to clean impurities from the surface of the sealing element; pre-assembly to check for deformation of the pretreated sealing element; if no deformation is found, pre-assembly is performed; if deformation exists, the deformed surface of the sealing element is repaired to maintain consistent gaps between the sealing elements, followed by pre-assembly; adhesive application to apply adhesive to the gaps between the sealing elements using an adhesive application device; and evaluation to assess the uniformity, thickness, and curing degree of the coating. The adhesive application device includes a uniform coating component for smoothing the sealant. This application uses an adhesive application device to apply sealant to the gaps between the sealing elements, and the uniform coating component simultaneously smooths the sealant during the application process, completing both steps simultaneously, thus improving sealing efficiency. Furthermore, the immediate smoothing of the sealant after application ensures a uniform distribution of sealant around the weld, significantly reducing the probability of re-contamination around the weld and guaranteeing a tight seal.

The application discloses a vehicle re-identification method and system based on multi-scale feature learning and a storage medium, and the method comprises the following steps: acquiring a training set and a query library of vehicle images and performing pretreatment; training a re-identification network model by using the pretreated training set; inputting all vehicle images in the pretreated query library into the trained re-identification network model respectively to obtain a feature vector of each vehicle image; obtaining an average feature vector of each type of vehicle according to the feature vector; inputting a to-be-detected vehicle image into the trained re-identification network model to obtain a feature vector of the to-be-detected vehicle; calculating the Euclidean distance between the feature vector of the to-be-detected vehicle and the average feature vector of each type of vehicle, and selecting the vehicle type with the minimum distance as the recognition result. The re-identification network model can effectively identify vehicles with different resolutions, and the overall network parameter quantity is significantly reduced, thereby reducing the deployment cost.

The utility model provides an ultra-narrow semiconductor lead frame, which comprises a lead frame monomer having a length direction and a width direction, and the width direction of the lead frame monomer is smaller than the length direction of the lead frame monomer; each lead frame monomer comprises a base made of a conductor material and a cup body which is made of an insulating material and is combined with the base through a glue injection process; the cup body is of an open structure, the bottom of the cup body is provided with an insulating separation belt integrally formed with the cup body through glue injection, and the insulating separation belt is obliquely arranged in the width direction of the lead frame single body and forms a cup bottom structure of the cup body together with the base. And the area of the base on the inner side of the cup body is separated by the insulating separation strip to form a first bonding pad on one side of the insulating separation strip and a second bonding pad on the other side of the insulating separation strip. According to the structural design of the utility model, the structural stability of the whole lead frame monomer can be ensured, and the lead frame monomer can be narrower, so that the cost of the light guide plate is reduced by about 1 / 4, and the competitiveness of the product is greatly improved.

The invention provides a masonry slurry laying auxiliary tool and a construction method. The masonry slurry paving auxiliary tool is light in weight and convenient to carry, and can be made of materials such as PVC materials, formworks and aluminum alloy; the construction method is easy to operate, easy to operate and free of technical difficulty; the tool is easy to manufacture and can be made of various materials; the mortar waste phenomenon can be well solved through the adopted auxiliary tool, meanwhile, the width and compactness of mortar joints can be effectively guaranteed, the functional reliability of the masonry is improved, the service life of the masonry is prolonged, and the construction quality is better guaranteed; repair times can be effectively reduced, and working hours and construction cost are saved.

The utility model relates to the technical field of adhesive tapes, in particular to an edge sealing adhesive tape which comprises a base material layer, an adhesive layer and a connecting line, the base material layer comprises a first use part and a second use part, the side faces, close to each other, of the first use part and the second use part are provided with a plurality of first tooth parts and a plurality of second tooth parts respectively, and the first tooth parts and the second tooth parts are arranged in a staggered mode; a gap is formed between the first tooth part and the second tooth part; the adhesive layer is coated on the first use part and the second use part, the connecting line is arranged on the adhesive layer in a manner of being parallel to the unfolding direction of the adhesive tape, and the connecting line is arranged corresponding to the first tooth part and the second tooth part. The utility model discloses an edge sealing adhesive tape and aims to solve the problems of poor adhesion effect and hand tightening caused by deformation of the edge sealing adhesive tape in the prior art.

This invention relates to the field of environmentally friendly dragon dance yarn preparation technology, specifically a high-end intelligent control colored environmentally friendly dragon dance yarn false twist texturing machine. It includes a roller machine and a color-changing component uniformly distributed at the roller machine's inlet end for color modification. The color-changing component includes a second ring tube uniformly distributed on one side of the roller machine and connected to it. A central ring tube is sealed on the side of the second ring tube away from the roller machine, and a first ring tube is installed at the other end of the central ring tube. Both the first and second ring tubes are sealed at the ends away from the central ring tube. The inner cavity of the first ring tube is provided with an outwardly extending feeding module, and the inner cavity of the central ring tube is provided with a dyeing module for color modification. The beneficial effect of this invention is that by integrating the color-changing component at the roller machine's inlet end, the heating and melting of the masterbatch, quantitative conveying, and uniform coloring are integrated into the same process of yarn texturing and texturing, significantly shortening the production process and avoiding the wastewater pollution problems caused by traditional liquid dyes.

This utility model relates to the field of agricultural production technology and discloses a mechanized spraying device for agricultural production. It includes a support platform, a self-driving component mounted on the top of the support platform, a traveling plate fixed to the drive end of the self-driving component, and a pesticide cartridge fixed to the top of the traveling plate via a support column. A liquid pump is mounted on the top of the traveling plate and below the pesticide cartridge. The discharge end of the liquid pump is fixedly connected to the inlet end of a flow equalization chamber. Spraying components are detachably installed at the outlets at both ends of the flow equalization chamber. This mechanized spraying device for agricultural production drives the pesticide cartridge and nozzle to travel along the crop rows via the self-driving component, spraying the pesticide solution onto each row of crops. It achieves automated spraying of large areas of greenhouses without manual operation. Simultaneously, the uniform forward spraying effectively improves the uniformity and comprehensiveness of spraying, ensuring the control effect. Furthermore, it achieves separation of personnel and pesticides, avoiding direct contact between personnel and pesticides.

The utility model relates to the technical field of new energy, and provides a power supply flat cable embossing forming jig, which comprises a supporting seat, the rolling mechanism is arranged on the supporting seat and is used for embossing the power line; the output assembly is used for driving rotation of the rolling mechanism and enables the rolling mechanism and the power line to move synchronously. When the power line is embossed, the heated power line penetrates through the rolling mechanism, and then the rolling mechanism is driven by the output assembly to rotate, so that the moving speed of the power line is kept consistent with the embossing speed, the embossing width can be ensured to be consistent, and the quality of the power line is further ensured.

The present invention discloses a candy production device and a production process thereof, and relates to the technical field of candy production, including a mounting frame, a second fixing frame is fixedly connected to the other side of the mounting frame, a threaded rod is rotatably connected to one side of the second fixing frame, a pre-processing box is fixedly connected to the top of the mounting frame, a lifting plate is threadedly connected to the top of the threaded rod, a plurality of fixing rods are fixedly connected to the bottom of the lifting plate, and an extrusion block is fixedly connected to the bottom end of the fixing rod. The candy production device and a production process disclosed by the present invention, through the movable pressing block rotating to completely fit the outer wall of one side of the limit block, the remaining candy raw materials are forced to converge downward, and the extrusion block continues to slide downward to extrude the remaining raw materials, so that the raw materials are completely squeezed out from the gap between the control blocks, eliminating the processing step of manually pressing the original mixed candy raw materials into a sugar cake with a certain width, and having the effect of improving the processing efficiency of candy tablet raw materials.

This invention discloses an aluminum panel curtain wall system, comprising vertical keels, horizontal keels, and several aluminum panels. Each aluminum panel has vertically bent connecting edges on all four sides. A disassembly frame connects the aluminum panels to the vertical keels. The disassembly frame includes a positioning frame, an inner support frame, and two intersecting hinge rods. Steel swivel screws connect the connecting edges to the side walls of the inner support frame. The disassembly frame also includes a locking mechanism, comprising a horizontal beam guide rail, a sliding locking bar, a positioning locking rod, and a drive assembly. The sliding locking bar has a locking slot. A positioning locking rod is fixed in the middle of the inner support frame. A locking ring groove is formed in the middle of the side of the positioning locking rod facing the locking slot, and the positioning locking rod engages within the locking slot. This invention, by setting up a disassembly frame, allows the aluminum panels to be laterally fixed to the inner support frame, enabling the disassembly of individual aluminum panels. This ensures the width of the panel joints while maintaining the maintainability of the curtain wall.

The invention discloses a novel arrangement device for a plate radiator of a vehicle-mounted transformer, and relates to the technical field, the novel arrangement device comprises a vehicle-mounted transformer main body, a plurality of plate-type heat dissipation assemblies are arranged on the two sides of the vehicle-mounted transformer main body, and stop levers are arranged at the upper ends and the lower ends of the plate-type heat dissipation assemblies; and a disc is fixedly mounted on one side of each of the plurality of groups of stop levers. In order to guarantee the temperature rise and the product width of the vehicle-mounted transformer main body, detailed planning is carried out when the multiple sets of sheet type heat dissipation assemblies are arranged, the sheet type heat dissipation assemblies of various specifications are adopted to be directly inserted into the high-voltage side and the low-voltage side of the oil tank in the vehicle-mounted transformer main body, and meanwhile part of the sheet type heat dissipation assemblies are arranged in the long axis direction in a split mode; therefore, the width of the vehicle-mounted transformer body is guaranteed, the heat dissipation problem is perfectly solved, the multiple sets of fin type heat dissipation assemblies can be supported, meanwhile, the fixing effect is achieved, and the firmness and stability of the multiple sets of fin type heat dissipation assemblies are improved.

The utility model relates to a defoaming and feeding system and a lithium battery production line. The defoaming and feeding system comprises a transfer tank, a storage trolley, a defoaming machine, a loading trolley, a first driving valve, a second driving valve, a third driving valve and a cooling unit, according to the defoaming and feeding system, automatic conveying of slurry can be achieved, the defoaming machine is arranged to conduct defoaming treatment on the slurry, bubbles are prevented from appearing on the surface of a lithium battery negative electrode roll, and the qualified rate of products is increased; and meanwhile, the cooling unit is arranged for controlling the temperature of the defoamed slurry, so that the flowing activity of the slurry can be always kept in a preset range, the width of the lithium battery negative electrode roll coating can reach the standard, the qualification rate of products is further improved, the productivity is further improved, and the production cost is reduced.