39results about How to "Manual labor intensity is high" patented technology

The invention discloses a method of continuously and automatically producing 16 magnesium-rare earth intermediate alloys such as a magnesium-neodymium intermediate alloy. The method comprises the following steps: after melting a magnesium ingot raw material by a finery, adding a rare earth metal material, manually deslagging, and automatically stirring and homogenizing by a system, and sampling and testing alloy components which are qualified; then pouring an alloy liquid to an ingot case of a pig moulding machine through a metering pump to form a continuous and automatic ingot casting; and cooling the alloy liquid to form standard magnesium-rare earth intermediate alloys. The key point of the invention is as follows: the method is applicable to continuous and automatic ingot casting production of 16 magnesium-rare earth intermediate alloys such as the magnesium-neodymium intermediate alloy, so that the labor intensity of production is reduced, and the production safety is greatly improved in anhydrous environment production. The produced product is consistent and high in yield. According to a crucible manufactured by a nickel-free high temperature alloy steel plate, carbon content is not introduced in the production process, the production efficiency is high, and the method is applicable to continuous production on a large scale, free from environmental pollution. Waste residues can be recycled, thereby truly realizing safe and efficient production of the magnesium-rare earth intermediate alloys on a large scale.

The invention belongs to the technical field of modern agricultural equipment, and discloses a potted seedling lifting and rotating device. The potted seedling lifting and rotating device comprises a seedling lifting and rotating device bracket (20), a seedling lifting driving motor (23), a seedling lifting driving crank (22), a first seedling lifting driving connecting rod (211), a second seedling lifting driving connecting rod (212), a first lifting rod supporting plate (181), a second lifting rod supporting plate (182), a lifting rod (19), a lifting rod rotating driving motor (26), a big gear (28), a small gear (31), a lifting rod rotating driving supporting base (27), a lifting rod sleeve (30) and a lifting rod driving pin (29). The device disclosed by the invention has the characteristics of simple and compact structure and high working efficiency, and is capable of realizing four actions: lifting towards left side, not lifting, lifting towards right side and rotating seedlings, in a process of selecting and transplanting the seedlings, so as to meet a demand of continuous selecting and transplanting operation. Components of the device are in modular design, so as to guarantee high maintenance and good reliability of entire machine. The device is low in manufacturing cost and is economically applicable.

The invention proposes a method for lowering energy consumption for drying inorganic ultrafine powder slurry by adding a rotary drum pressurizing type filtering machine. A pressurizing rotary drum filtering machine system is added in front of a conventional paddle dryer, and the inorganic ultrafine powder slurry moisture content is greatly reduced by pressure filtration. The method is characterized by continuous operation, saved energy, lowered consumption, reduced tail gas discharge quantity, and conformity with the national industrial policy of energy conservation and emission reduction.

The invention relates to the technical field of preparation of 2, 4-dinitroaniline, in particular to a method for preparing 2, 4-dinitroaniline by using a microreactor. The method comprises the following steps: (1) preparing equipment, namely preparing a preheater, the microreactor and two chromatographic pumps; (2) connecting reaction equipment, respectively connecting two chromatographic pumps with the preheater and the micro-reactor, then connecting the preheater with the micro-reactor, and putting the preheater and the microreactor into a constant-temperature oil bath after the connectionis completed; (3) conveying a reaction material, namely conveying ammonia water to the preheater at a preset flow rate, conveying the molten 2, 4-dinitrochlorobenzene to the microreactor at a preset flow rate, and mixing and reacting with the ammonia water to obtain 2, 4-dinitroaniline; and (4) after the reaction of the material in the step (3) is completed, preparing the redundant ammonia gas into ammonia water again for reuse through an ammonia gas recovery device, and continuing to reuse the ammonia generated by the reaction of ammonium chloride generated by the reaction and potassium hydroxide. Tthe method has the characteristics of high production efficiency, low energy consumption, economy, environmental protection, safety and reliability.

The invention provides a lead screw nut batch tapping device and tapping method. The lead screw nut batch tapping device comprises a mounting plate, a sliding fixing mechanism and a feeding tapping mechanism. The sliding fixing mechanism is mounted on the lower end surface of the mounting plate, and the feeding tapping mechanism is mounted on the upper end surface of the mounting plate. The invention provides the lead screw nut batch tapping device and tapping method, which can solve the following problems in the lead screw nut batch tapping process: a, most of the traditional lead screw nut tapping devices can only carry out thread tapping on a single nut at present, the lead screw nuts need to be mounted and fixed one by one and then tapped, then limiting and fixing of the lead screw nuts are relieved, the lead screw nuts are taken out, then the next lead screw nut is fixed and tapped, manual fixing is needed, the labor intensity of workers is high, and the working efficiency is low;and b, most lead screw nut tapping devices on the current market are high in price, single in function and low in working efficiency, so that the price value and the working benefit of the lead screwnut tapping devices cannot be equal.

The invention discloses a composites profile. Upper and lower sides of an outer frame and an inner frame are fixedly connected through an upper frame and a lower frame; and the end parts of the upper frame and the lower frame are bent to form bending parts. An adhesive is stored in an adhesive storage tank of the composite profile, and a gap in the surface of the profile is supplemented, so that the adhesive effect of the composite board is improved. According to the composite board, two end parts of a sandwich panel are bonded to the inner frame of the composite profile; the upper surfaces of the sandwich panel and the upper frame are bonded with an upper cover board of the sandwich panel and the lower surfaces are bonded with a lower cover board of the sandwich panel. According to the composite board, the adhesive effect of the composite board is improved. A manufacturing method of the composite board comprises the steps of bonding the sandwich panel and the side surface of the inner frame; bonding the upper cover board of the sandwich panel on the upper surfaces of the composite profile and the sandwich panel; and bonding the lower cover board of the sandwich panel on the lower surfaces of the sandwich panel, the composite profile and an auxiliary connection plate. According to the manufacturing method of the composite board, the requirements of the operation process of a worker are reduced, thereby reducing the labor intensity of the worker.

The invention discloses a method and equipment for automatically separating solid-phase products of whole waste tire industrial continuous cracking. The equipment comprises a special-shaped double-cone continuous feeding system, a cracking reactor main body system, a cracking solid-phase product separation system, a steel wire conveying system, a cracking carbon black continuous output system, a cracking oil product grade automatic collection system, a modular distributed intelligent tail gas comprehensive treatment system, a cracking non-condensable combustible gas recycling system, a combustion heat supply system and a catalytic cracking intelligent control system which are connected through connecting parts; the cracking solid-phase product separation system comprises a solid-phase product separation blade and a steel wire conveying blade structure, and a baffle is arranged between the solid-phase product separation blade and the steel wire conveying blade, so that a cracking steel wire must cross the middle baffle in the conveying process; and in the conveying process of the solid-phase product separation blades, cracked steel wire balls are always in the rolling process, AND carbon black mixed in the cracked steel wires is gradually leaked out. The problem that in the prior art, efficiency is low is solved, and reliability is high.

The electrified railway compensation balance weight factory digital intelligent counterweight device comprises a bearing base, a vertical slide way and a lifting table, the vertical slide way is vertically arranged at the upper end of the bearing base, a sliding frame is slidably connected in the vertical slide way, and a lead screw is arranged in the vertical slide way and is perpendicular to the bearing base; a threaded hole matched with the lead screw is formed in the sliding frame, the lead screw is in threaded connection with the sliding frame through the threaded hole, a low-speed motor rotationally connected with the lead screw is arranged at the upper end of the vertical sliding way, one side of the lifting table is fixedly connected with the sliding frame, a weight sensor is arranged on the lifting table, and a controller is arranged on the side, away from the lifting table, of the vertical sliding way. The controller is electrically connected with the weight sensor and the low-speed motor. Weight can be monitored in real time when the balance weights are bunched, a worker can directly carry the bunched balance weights, the problem that pre-assembling of an existing overhead line system compensation balance weight cannot meet the pre-assembling requirement is effectively solved, and working efficiency is improved.

The invention discloses a pneumatic circulating type pipe drift diameter detecting device, which comprises a base. A detecting unit is respectively fixedly connected at the two ends of the base; eachdetecting unit comprises a drift diameter detecting mechanism assembly; each of the drift diameter detecting mechanism assemblies is connected with a drift diameter gauge; at least two pipe string positioning frames are arranged on the base between the two detecting units; the base is also provided with a pneumatic control valve group and a controller, which are interconnected with each other; thedetecting unit is respectively connected with the pneumatic control valve group and the controller; and the pneumatic control valve group is also connected with an air source port. The device in theinvention realizes automatic circulating drift diameter operation of the two ends of the pipe string; an unfreezing method when the drift diameter is unqualified is also increased; the controller canbe also used for operation; the automatic degree is high; the labor intensity is greatly reduced; the device is simple and practical; and the equipment investment cost is low.

The invention provides a cosmetic matrix raw material preparation and treatment process, which uses a cosmetic matrix raw material preparation and treatment device, and the device comprises a support frame, a base, a honey scraping mechanism, a reciprocating motion mechanism and a slitting mechanism. The invention provides a cosmetic matrix raw material preparation and treatment process, which can solve the following problems in the cosmetic matrix raw material preparation and treatment process: a, during beewax extraction, honey in honeycombs needs to be scraped firstly, then beewax is cut into small pieces, and then centrifugal filtration and sterilization are performed to obtain pure beewax; according to traditional honey scraping, honey in honeycombs is shaken out by manually shaking a honey extractor, the extraction mode is low in efficiency, and the manual work intensity is relatively high; b, the honey extractor extracts the honey in the honeycombs to obtain beeswax, and the beeswax is manually cut into small pieces by means of tools in a traditional mode, so that the working efficiency is low, the automation degree of the device is low, and a large amount of manpower is needed.

The invention provides a connecting structure of a plunger and a crosshead of a grouting pump. The connecting structure comprises the plunger and the crosshead, the plunger is connected with the crosshead through a connecting body, and the connecting body is of a detachable structure. In the construction site, a three-cylinder grouting pump is generally used, when one plunger is replaced every time, the heavy hydraulic end needs to be disassembled, so that the labor intensity of workers is additionally increased; and in order to better accelerate the efficiency, the plunger and the crosshead are designed into a detachable mechanism, so that the effects that the heavy hydraulic end is not disassembled, the plunger is rapidly replaced, the labor intensity of the workers is reduced, and the construction efficiency is improved are achieved.