18results about How to "Decrease stock" patented technology

The present application relates to copper electrolysis technical field, specifically relates to a kind of high arsenic anode copper electrolytic refining method and device;Sulfuric acid and copper sulfate aqueous solution are configured as electrolyte, and four-component complex additive is added to the electrolyte, and arsenic is controlled by four-component complex additive in cooperation;Electrolyte is circulated and dearsenicated in multistage settlement and filtration dearsenication device, electrolyte is treated in the process of circulation, and arsenic and arsenic compound in electrolyte are separated;The present application solves the technical problem of how to remove arsenic in the process of electrolytic refining.

The application discloses a multi-dimensional perception and self-adaptive tool changing method and system for a shield machine under low-speed pressure keeping, the tool changing system comprises a perception layer, a decision layer and a control layer; the tool changing method comprises the following steps: obtaining three-dimensional comprehensive data through a sensor; the three-dimensional comprehensive data is sent into a multi-modal space-time graph neural network MST-GNN through a sensor data fusion module, and a tool changing priority, a tool changing type label, a tool changing number and a tool changing number are output; the target tool is instantaneously positioned through the tool changing type label; angle error calculation is performed, a zero relative window is confirmed, and tool changing is realized. The application proposes the following method to cope with the long process that the traditional method must be completely stopped and depressurized, that is, under the micro-stop working condition of the low-speed cutter head and the pressure keeping of the soil bin, three-dimensional perception of defects-life-geology is fused, millisecond-level decision is made, RFID instantaneous positioning is performed, five times spline closed-loop tool changing is performed, and the tool changing time is reduced from hours to minutes.

The present invention relates to the technical field of aluminum alloy die-casting, and more particularly to a silicon nitride-bonded silicon carbide ceramic feed tube for aluminum alloy die-casting and a preparation method thereof. The silicon nitride-bonded silicon carbide ceramic feed tube for aluminum alloy die-casting has an annular structure with an open ring wall. The tube is made of silicon nitride-bonded silicon carbide ceramic and is prepared from 45 to 85 parts by weight of a mixed powder, 3 to 10 parts by weight of a reinforcing agent, and 15 to 40 parts by weight of a conditioning agent solution; the mixed powder comprises elemental silicon powder, silicon nitride powder, and silicon carbide powder. Due to the in-situ SiTi2N4 reinforcement phase, the feed tube exhibits excellent wear resistance, thermal shock resistance, and low thermal conductivity, making it adaptable to the service environment of ultra-high pressure casting machines and significantly improving the production efficiency of high-pressure casting machines. The reduced thermal conductivity of the ceramic material reduces heat loss, enhances the temperature control capability of the aluminum alloy fluid within the feed tube, and ensures the product's high performance and stability.

The utility model provides a kind of adjustable filter outer frame, including outer frame, outer frame includes a pair of left and right sides oppositely arranged frame body, connecting piece is arranged between two side frame bodies relative upper and lower sides, connecting piece is detachably connected with frame body and encloses outer frame;Each frame body includes the bottom plate extending along length direction, the two sides of bottom plate length direction are bent to form fixed plate respectively, fixed plate is equipped with first connecting hole, air hole and scale, connecting piece is used to connect the upper and lower sides of air filter medium relative;Through scale and the design of cuttable frame body, the size of air filter can be adjusted according to installation environment, improve versatility, avoid the installation difficulty or resource waste caused by size inconsistency, can be applicable to a variety of installation environments, reduce the idle and inventory of multi-size customization, and improve the efficiency of air filtration and outer frame practicality.

The utility model discloses a kind of positive and negative installation intelligent shop lock, including front lock body, rear lock body, shop lock cylinder and linkage rod;First control panel is provided on front lock body, second control panel is provided on rear lock body;Shop lock cylinder includes pedestal and knob, pedestal is installed in hole and is provided with rotation through slot and opposite pull through slot on it, knob rotation is set in rotation through slot and is connected with knob;One end of linkage rod is butt joint with front lock body, the other end is arranged on knob and is connected with rear lock body, threading through slot is provided on linkage rod;The connecting line between first control panel and second control panel is arranged in threading through slot;Through above-mentioned structure, not only can it be intelligent for mechanical shop lock, but also can realize threading between front lock body and rear lock body while not changing the hole of door body, reduce the complexity and artificial cost of door lock installation, simultaneously still can not distinguish positive installation and negative installation, reduce manufacturer inventory and improve the convenience of installation, satisfy use demand.

This invention discloses an automated procurement method for equipment spare parts, relating to the field of equipment spare parts procurement technology. This invention changes the original method of manual inventory checks by designated personnel, replacing it with a system that automatically generates spare parts procurement suggestions based on safety stock, timely stock, and quantities in transit. This invention also changes the original approval control node—the purchase requisition form—to approval of purchase suggestions. At a fixed time each month, the system automatically generates relevant procurement suggestions based on the safety stock configuration for equipment spare parts, then confirms and executes the procurement suggestions (submitting for approval). After approval, a purchase requisition form in the EAS (Equipment Assistance System) and a mall order in the SRM (Shopping Management System) mall are generated, both in an approved status. This process only requires the business department to operate within one system. After the safety stock is set, the department only needs to periodically check and confirm the application suggestions and submit them for approval when making monthly procurement plans, significantly reducing the procurement application time for the business department.

This utility model discloses a novel thermal insulation strip. A mounting groove is symmetrically provided on the top surface of the conversion frame. The novel thermal insulation strip is snapped into the mounting groove. One mounting groove contains a snap-fit ​​strip, and the other contains a snap-fit ​​tube. The snap-fit ​​strip and the snap-fit ​​tube are respectively connected to both sides of one side of the central tube. A window frame is connected to one side of the conversion frame, and a window sash is installed inside the conversion frame. A thermal insulation slot is provided on the side of the window sash near the conversion frame where the thermal insulation strip is located. A dustproof strip is snapped into the side of the window sash near the central tube. This utility model provides dustproof, windproof, and waterproof functions. Furthermore, the novel thermal insulation strip is composed of a central tube connected to a snap-fit ​​strip, a snap-fit ​​tube, and a sealing strip. Its larger size reduces the amount of aluminum used and inventory, resulting in cost reduction and efficiency improvement. Since the snap-fit ​​strip, snap-fit ​​tube, central tube, and sealing strip are all made of excellent thermal insulation materials, their thermal insulation performance is improved compared to aluminum alloy filling and support.

The present disclosure provides a screening assembly for a mobile bulk material processing plant (100) that is capable of adjusting its position relative to the base frame (102) of the mobile bulk material processing plant in order to facilitate the transfer of material from a screen (120) onto a processing unit, such as a crusher, by optimizing the height and operating angle of the screening assembly. The screening assembly disclosed thereby is also capable of folding into a compact arrangement that complies with transport regulations while being convenient and safe for the operator. The screening assembly comprises a base frame (102) and at least two link elements (107, 111) that are coupled at a pivotable joint such that when in an operating position, the two link elements are configured to adjust the height and the angle of inclination of a screen box (3) in order to facilitate the transfer of material from the screen to the crusher.

The utility model belongs to the packaging protection technical field discloses double -notch foldable U -shaped angle bead, this angle bead includes a U -shaped angle bead body, it is constituted by bottom plate and both sides integral connection's side plate, the first cut -out for fast cutting is evenly provided with a plurality of first cut -out for fast cutting along its length direction in angle bead body, has realized that the length of angle bead can be freely decided without tool, the outer surface of bottom plate can be along the center line of its length direction and is equipped with a second cut -out for bending or folding, makes angle bead can adapt to the object package of different angle, or inwardly folds to reduce the volume of warehousing and transportation, and angle bead body can adopt multilayer waste paper hot -pressing composite and can be inlayed honeycomb paper core buffer layer between layers to enhance the impact resistance. The utility model has the beneficial effect of length can be freely decided, can adapt to a variety of angle bending, excellent buffering performance, save storage space, environmental protection and low -cost.

The utility model relates to the technical field of window frame profiles, and discloses a variable mullion which comprises a mullion frame, the mullion frame comprises a heat insulation piece mounting plate, a heat insulation piece clamping piece is arranged on the outer surface of the heat insulation piece mounting plate, connecting plates are distributed and fixed at the two ends of the heat insulation piece mounting plate, and mullion panels are fixed at the ends of the connecting plates. A rubber strip clamping groove is formed in one end of the mullion panel, and a first clamping groove is formed in the outer surface, away from the rubber strip clamping groove, of the connecting plate. The problem that turning materials need to be added when an inward-opening window of an existing heat insulation casement window is used for manufacturing an outward-opening sash is solved, by changing the type of the mullion, the flexibility of the mullion is improved, use of the turning materials is reduced, the requirement for manufacturing the outward-opening sash by a client is met, stock and mold opening cost are reduced, and meanwhile stock and enterprise cost can be reduced.

The application discloses a slaughtering production line multipurpose conveying device, which comprises a conveying track, an upper track and a lower track arranged side by side in the up-down direction, a conveying chain arranged in the conveying track, the conveying chain being arranged in a closed loop in the upper track and the lower track, a driving sprocket and a driven sprocket arranged at two ends of the conveying track for driving the conveying chain to rotate in a certain direction, the driving sprocket and the driven sprocket being horizontal sprockets, the conveying track comprising straight conveying sections and curved track conveying sections connected between the straight conveying sections, wherein the curved track conveying sections comprise longitudinal curved track sections and transverse curved track sections, the longitudinal curved track sections extending in an arc shape in the vertical direction, and the transverse curved track sections extending in an arc shape in the horizontal direction. The slaughtering production line multipurpose conveying device provided by the application can be compatible with the lifting conveyor and the horizontal conveyor, and can simultaneously realize the lifting conveying operation and the horizontal conveying operation, so that the inventory can be effectively saved, and the maintenance cost can be reduced.

The utility model discloses a general electronic equipment protection shell, including installing on the sheath group of electronic equipment four corners, its characterized in that: the sheath group is equipped with the stretching mechanism in, the sheath group can be through the adjustment of stretching mechanism and adapt to the electronic equipment of different length width and thickness.

The utility model discloses a bending forming die for a lead, which belongs to the technical field of forming dies and comprises a side plate, a sliding block is slidably arranged on the side plate through a sliding hole, a first upper die is fixed on one side of the sliding block, and a first bolt and a second sliding rod are symmetrically arranged on two sides of an upper diagonal line of the first upper die. A second upper mold is installed on the outer side of the first bolt in a threaded mode, a connecting hole is formed in the connecting position of the second upper mold and the second sliding rod, and first inclined grooves which are symmetrical to each other are formed in the bottom of the first upper mold and the bottom of the second upper mold. According to the utility model, the distance between parts is adjusted by two hands, leads with different thicknesses can be flexibly adapted, the die does not need to be replaced, the universality is obviously improved, and the equipment cost and inventory are reduced; adjustment is fast, die changing time is shortened, and production efficiency is improved. And in addition, due to the interval design, dust and chippings can be discharged conveniently, accumulation of the dust and chippings is avoided, and the abrasion risk is reduced.

The utility model discloses a novel comb support bar coil structure's transformer, including three -phase coil and the iron core of parallel arrangement, the side wall of the insulating cylinder in three -phase coil is spaced apart and is provided with multiple long comb support bars around the central axis, and every long comb support bar extends along the length direction of insulating cylinder, and two ends extend to upper clamp piece and lower clamp piece respectively, the side wall of insulating cylinder is spaced apart and is provided with multiple short comb support bars around the central axis, and every short comb support bar extends along the length direction of insulating cylinder, and two ends extend to the two end faces of insulating cylinder respectively. The utility model on the basis of original comb support bar insulation and fixed wire cake function, through the extension comb support bar two end size, support between upper clamp piece and lower clamp piece, realized the coil axial positioning, replaced the function of upper yoke pad and lower yoke pad, through the auxiliary function of extension comb support bar, opened the product press -packs new structure, reduced product material and inventory, made product light weight, reduced production cost, improved enterprise competitive advantage.

The application relates to the technical field of transformer core manufacturing, and provides an optimization design method of a silicon steel three-dimensional wound core strip, which divides a core column section into eight trapezoidal levels. A maximum piece width A is determined first, then a first level piece width B is selected so that A+B is 0 or 5 at the end, and the start and tail are both B. C is selected based on B so that B+C is 0 or 5 at the end, and recursion is performed to eight levels, so that the end of each cutting width (the sum of the widths of adjacent pieces) is 0 or 5, and the number of different cutting widths in the longitudinal shearing process is not more than five. The method reduces the cutting specifications in the longitudinal shearing process, the tail width is standardized and can be directly used for manufacturing a laminated core, and material recycling is realized. The application also provides a core and a transformer.

The application discloses a kind of liquid pumping, scanning warehouse integrated operation method of submerged pump, it is in the inside of submerged pump again setting a with internal oil suction pipe inner pump formation pump-in-pump structure, utilize the submerged pump and the external liquid pumping passage A formed with its communication snorkel, utilize the inner pump and the internal liquid pumping passage B formed with its communication internal oil suction pipe, the internal liquid pumping passage B is located in the inside of external liquid pumping passage A;When pumping, utilize external liquid pumping passage A and internal liquid pumping passage B simultaneously pump out the oil liquid in oil tank, complete pumping work;When the oil liquid in oil tank is all pumped out, utilize internal liquid pumping passage B and pump out the oil liquid remaining in submerged pump and the part of snorkel communicated therewith, complete scanning warehouse work.The application can realize pumping and scanning warehouse function once, both reduce the residual oil liquid inventory in oil tank, thereby reduce the waste of resources can reduce the labor intensity of operator, improve the work efficiency of unloading.

The present application belongs to the field of rail transit conversion technology application, and particularly relates to a novel multi-topology conversion inverter and a control method thereof. The present application solves the technical problem that the basic main circuit topology structure of the three-phase inverter is determined in the design, and cannot be changed according to the actual situation or working condition. When a switching device in the power module is damaged, the three-phase inverter has to be stopped, resulting in power loss, and having a great influence on the reliability and operation efficiency of the locomotive. The present application optimizes the design of the three-phase inverter main topology, adopts modular design, reduces the types of power modules, reduces the inventory of spare parts, and the main topology structure of the three-phase inverter can be flexibly changed according to the demand. When a switching device is damaged, the normal operation of the three-phase inverter can still be realized through topology switching. The present application is redundantly designed for different application environments and application requirements, and improves the reliability and operation efficiency of the three-phase inverter.

The utility model discloses an oil -free screw compressor, including cylinder body, air inlet end seat, exhaust end seat, air inlet end cover, exhaust end cover, male rotor and female rotor, one end fixed connection air inlet end seat of cylinder body, the other end fixed connection air inlet end cover of air inlet end seat, the other end fixed connection exhaust end seat of cylinder body, the other end fixed connection exhaust end cover of exhaust end seat, male rotor and female rotor set up in cylinder body and with air inlet end seat, exhaust end seat form working chamber, male rotor and female rotor are variable pitch rotor, the utility model discloses through make cylinder body, air inlet end seat, exhaust end seat, air inlet end cover, exhaust end cover standardization design has reduced enterprise spare burden, realizes content volume ratio adjustment through the pitch of male rotor and female rotor adjustment, has improved the production efficiency of spare parts, is helpful to the improvement of enterprise management and economic benefit.