38results about How to "To achieve safe production" patented technology

The invention discloses an aluminum armour tape winding method which comprises the following steps of enabling one end of an aluminum armour tape to penetrate through a hollow shaft, enabling one end, in the hollow shaft, of the aluminum armour tape to extend in the direction of the hollow shaft, wrenching a movable tooth section, rotating the hollow shaft to enable the hollow shaft to be aligned at a first opening, a second opening, a third opening and a fourth opening to form gaps, enabling a cable to penetrate into the hollow shaft through the gaps, closing the movable tooth section, using an auxiliary clamping rod to press and fix the aluminum armour tape and the cable in a hanging hook, then rotating an insulation crank to drive a first gear and a second gear to rotate through a rocker in an insulation barrel to further drive the hollow shaft to rotate along the axis of the hollow shaft, and tightly winding the aluminum armour tape on the periphery of the fixed cable. The aluminum armour tape winding method greatly improves applicability and safety of hot-line work, enables the hot-line work to be convenient and quick and achieves the purposes of improving power supply reliability and serving the society.

A tobacco leaves processing apparatus for removing free nicotine, odor and stimulating substance from tobacco leaves iscomposed of a cylindrical body with drum, supporting frame and spray tube in it. Said drum is supported by the rollers on said supporting frame and is rotating on the rollers under the action of external driver. The liquid additive is sprayed onto the tobacco leaves via said spray tube.

The invention provides a high-efficient stamping part flatness detecting device, which is used for detecting the flatness of stamping parts in the production process of automobile parts. The high-efficient stamping part flatness detecting device includes a base, a bracket device, a detecting device and a worktable device; the bracket device and the worktable device are connected to the base; the detecting device is connected to the bracket device, and the detecting device is located above the worktable device; the detecting device comprises a dial indicator, a contact block, a spring, a connecting support rod, a measuring needle, a lever and a rotating shaft; the dial gauge passes through and is connected to a through hole of the bracket device; a probe portion of the dial indicator is connected to one end of the lever through the contact block; two ends of the spring are connected to the bracket device and the lever respectively; one end of the connecting support rod is connected to the lever through the rotating shaft; the measuring needle is connected to the bracket device; and the dial indicator, the spring, the connecting support rod, and the measuring needle are sequentiallyarranged after connection. The high-efficient stamping part flatness detecting device has a simple structure, is convenient to operate, is practical and reliable, and can improve the market competitiveness of enterprises.

The invention discloses a networked presplitting technology for a high-position dirt band layer of an extra-thick coal seam based on hydraulic fracturing. The networked presplitting technology comprises the following steps that a top coal structure of a fully mechanized caving face is observed; top coal fracturing parameters of the fully mechanized caving face are determined; fracturing drilling construction and grooving are conducted on top coal of the fully mechanized caving face; the fully mechanized caving face fracturing drill hole is subjected to drill hole sealing; high-pressure hydraulic fracturing is performed on the top coal of the fully mechanized caving face; the hydraulic fracturing effect of the fully mechanized caving face is analyzed; the step of conducting fracturing drilling construction and slotting on the top coal of the fully mechanized caving face comprises the steps that a plurality of fracturing drilling holes perpendicular to the top face of the fully mechanized caving face are formed in the top coal of the fully mechanized caving face; a plurality of fracturing drill holes which deflect towards the working face by an angle are formed in the top face of the rail gate road and the top face of the transportation gate road; and a plurality of transverse cutting grooves are formed in the part, located in the high-position dirt band layer, of the fracturing drill hole. Therefore, the high-position thick and hard dirt band layer in the coal seam can be pre-split and crushed, effective mining of the coal seam above the dirt band layer is achieved, and waste of resources is reduced.

The invention belongs to the field of intelligent furniture manufacturing, and particularly relates to an intelligent furniture packaging production line. The intelligent furniture packaging production line comprises a furniture conveying device, a furniture quality inspection workbench, and a packaging conveying device which are sequentially arranged in the furniture moving direction. A monitoring code spraying device is arranged on one side of the packaging conveying device. The detection of whether parts in a box body are missed or not, a printed label, a number sign, delivery dates of thepackaging production line provided with a furniture box body, and the automatic conveying connection between the furniture box body and other devices entering a warehouse are effectively achieved. Andthe production personnel can remotely supervise and manage, or record images of the whole production process for backup and recheck, so that the purposes of safety production and reduction of the labor intensity of workers are achieved.

The invention provides an efficient automatic spot welding device for an upper longitudinal beam support. The efficient automatic spot welding device comprises an upper longitudinal beam support turnover device. The upper longitudinal beam support turnover device turns over the upper longitudinal beam support by 180 degrees. The upper longitudinal beam support turnover device comprises a limitingplate, a fixed rack, a turnover connecting block, a turnover sliding block, a turnover gear, a clamping block and a clamping air cylinder. The turnover connecting block is an L-shaped body. One end ofthe turnover connecting block is connected with a feeding air cylinder, and the other end of the turnover connecting block is arranged on one side of the limiting plate and connected with the turnover sliding block. The fixed rack is arranged on the other side of the limiting plate. The turnover gear is arranged above the fixed rack. A center shaft of the turnover gear penetrates a through hole of the turnover sliding block and then is fixedly connected with the clamping block. The clamping air cylinder is arranged on the clamping block. The efficient automatic spot welding device is reliablein structure, convenient to use, easy to maintain and high in universality, safety production is achieved, and the market competitiveness of enterprises is improved.

The invention discloses a plate press-fit two-in-one production process. The equipment adopted by the process comprises a plain panel feeding device, a hot press, a working platform, an edge removingmachine, a detection platform and an automatic classification device; the process comprises the following steps: firstly, manually paving the flip side of press-fit film reversely on the working platform to serve as lower-layer press-fit film; pressing a plain panel on the reversely paved press-fit film through the plain panel feeding device; then paving upper-layer press-fit film on the upper surface of the plain panel; sending the plain panel between hot pressing plates to carry out hot pressing through the conveying carriage of the hot press, and after the hot pressing is completed, sendingthe plain panel to a side removing machine for removing a side through a conveying device; enabling a side-removed press-fit plate to be manually detected on the detection platform, pasting a classification label according to a detection result, and then sending the press-fit plate to a press-fit plate classification device to be classified through a conveying roller; enabling the next plain panel, on which the press-fit film is paved, to be installed according to step 4 to step 6, operating repeatedly, repeating the cycle to perform continuous production. According to the furniture producedby the process disclosed by the invention, the product yield is high, the quality is stable, the cost is lowered, and the efficiency is improved.

The invention discloses a device for producing hydrogen peroxide by adopting an anthraquinone process. The device comprises a hydrogenation reaction unit, an oxidation reaction unit and an extraction separation unit. A loop reactor with a simple structure is used for replacing the current hydrogenation and oxidation reaction equipment with huge volume, and a static mixer and an oil and water separator which are very small in volume are used for replacing an extraction tower with huge volume and low efficiency, thus the production process is simple, the volume of the equipment is very small, the investment scale of the device is saved, and the investment is saved by about 80 percent in comparison with that of a device for producing hydrogen peroxide with the same capacity.

The invention relates to a preparation method of hydroxychloroquine, which comprises the following steps: protecting hydroxyl of 5-(N-ethyl-N-ethoxyl)-2-aminopentane through a silanization reagent, removing amino protons from tetrahydrofuran or toluene by using a bis(trimethylsilyl lithium amide) solution to form amino anions, and carrying out a substitution reaction with 4.7 dichloroquinoline to generate hydroxychloroquine. The hydroxychloroquine and sulfuric acid are salified in an alcoholic solution to generate hydroxychloroquine sulfate, and the hydroxychloroquine sulfate preparation method provided by the invention has the characteristics of low toxicity, low pollution, high purity, low reaction temperature, short reaction time, high yield and the like, and is suitable for industrialization.

The invention provides an automatic assembling and feeding device for a high-precision bolt and a bracket piece, which comprises a machine platform, a support sheet material taking device, a bolt material taking device, a final assembly material taking device, a vibration disc, a vibration absorber, a touch screen and an electric cabinet; wherein the connection relation is that the support sheet material taking device, the bolt material taking device, the final assembly material taking device, the vibration disc, the vibration absorber, the touch screen and the electric control box are connected with the machine platform; the support sheet material taking device, the bolt material taking device, the final assembly material taking device, the vibration disc, the vibration absorber and the touch screen are respectively electrically connected with the electric control box; the support sheet material taking device comprises a first cylinder, a stack block, a feeding position sensor and a stack block placing table. The device is automatically taken and assembled, replaces manual production, has the advantages of reliable structure, high performance, convenient use, and easy maintenance,and meets safe production and improves market competitiveness of the enterprise.

The invention discloses an automatic induction, voice broadcast and video monitoring system for an industrial dangerous area, and the system comprises a central comprehensive monitoring platform which is used for receiving sensor signals, geographical position information and area live videos of all sub-terminals which are in communication connection with the central comprehensive monitoring platform; the system comprises at least one sub-terminal, the sub-terminals are all in communication connection with the central comprehensive monitoring platform, are used for detecting danger signals and geographic positions of industrial dangerous areas and executing action instructions issued by the central comprehensive monitoring platform, and each sub-terminal comprises a sensor unit, a communication module, a position information module, an alarm device and a video monitoring unit. The sub-terminals can configure corresponding sensors according to different monitoring requirements and dangerous working conditions, monitoring of different industrial dangerous areas is achieved, the central comprehensive monitoring platform is in communication connection with the sub-terminals, and remote 'multi-point monitoring of one set of system and flexible coverage of multiple working conditions' is achieved.