31results about How to "Less prone to loss" patented technology

The invention discloses a data synchronization system and a method, and the system comprises a creation module which is used for creating an auditing database for synchronization, and the auditing database comprises an auditing table for auditing; an adding module which is used for adding a trigger in a service table of a production environment database, and the trigger inserts a unique identifierof data related to trigger of the trigger in the service table into the auditing table when being triggered; a calling module which is used for enabling the auditing table to call the API interface of the service front-end processor by taking the newly added unique identification data as parameters; and a storage and modification module which is used for enabling the service front-end processor to respond to the call; storing the unique identification data into a local transfer database; and taking data corresponding to the unique identifier from a service table of a production environment database through the unique identifier, sending the obtained data to corresponding service logic, and modifying the state of the unique identifier data corresponding to the obtained data in the local transfer database to be synchronized. According to the system and the method, efficient data synchronization can be realized, and the consistency of the data is ensured.

The invention discloses an FPGA-based PCM audio playing apparatus, system and method. The playing of an audio signal is mainly finished; and a playing signal is sent to a broadband data bus for playing after being logically processed through an FPGA from an audio server. The composition complexity of a recording system is lowered and a playing channel is reusable; the system cost is reduced; the system capacity is large; the data playing is stable; the phenomenon of voice data loss difficultly occurs; and an output side continuously extracts data from a dual-port RAM and transmits the data to the broadband bus for transmitting the data to a target user, so that the data subjected to high-speed buffer can be continuously transmitted to the user. The scheme can be widely applied to various PCM audio playing systems.

The invention belongs to the technical field of communication optical cables and relates to a symmetrical parallel flat drop optical cable. Each of two identical independent optical fiber units whichare arranged in parallel is formed by arranging two optical fibers in a loose tube and filling the loose tube with fiber paste; two non-metal reinforcing pieces are parallel to the optical fiber unitsand are symmetrically arranged on the left side and right side of the optical fiber units respectively; and the optical fiber units and the non-metal reinforcing pieces are wrapped together through aflat sheath. The optical cable is mainly characterized in that a pressure reduction air chamber is arranged at a central position in the sheath to separate the two optical fiber units contained in the optical cable; the pressure reduction air chamber not only reduces an extrusion force applied to the loose tubes by of the material of the sheath, but also facilitates the separation of the two optical fiber units during construction. According to the symmetrical parallel flat drop optical cable of the invention, the optical fibers are slightly bent under the action of the fiber paste to generate excess length, so that the optical fibers are protected from loss. The optical cable has a good flame-retardant effect and is unlikely to harm human bodies; the optical cable comprises the two independent optical fiber units, so that the material consumption of the optical cable is low, and cost can be saved; and the optical cable is suitable for office buildings, residential quarters and machine rooms, and serves for signal transmission more efficiently.

The invention discloses an adjustable steel girder support device and system; the support device comprises an upper beam, a lower beam, and a support adjusting bolt; the support adjusting bolt is threaded with a support nut; a support bar is rotatably connected on two ends of the upper beam; the distance between the support bar rotary point and the end portion is bigger than that between the support nut and the lower beam top surface; when the support nut height needs to be adjusted, the upper beam is pulled up, the support bars on two ends are rotated, so the long edge of the support bar is in a vertical state and can support the pulled upper beam, and the support nut is rotated and adjusted in positions; in operation, the upper beam does not need to be pulled at all time, so the adjusting operation can be easier and more convenient; the adjustable steel girder support devices can be connected via a shear-fork type structure so as to form the support system, thus ensuring the distanceuniformity between each adjustable steel girder support device; the adjustable steel girder support device is good and stable in support effect.

The invention discloses an integral ferrule joint. The integral ferrule joint comprises a ferrule (1) and a pressing cap (2), wherein the pressing cap (2) is partitioned into a threaded portion (2.1) and a spanner clamping portion (2.2); the ferrule (1) is connected to the threaded portion (2.1) and far away from the end of the spanner clamping portion (2.2); the axis of the ferrule (1) and the axis of the threaded portion (2.1) are on the same straight line, and the ferrule (1) is integrated with the threaded portion (2.1); the cross section of the ferrule (1) has a trapezoidal structure, and the inner surface of the ferrule (1) corresponds to the lower side of the trapezoidal structure. Compared with the prior art, the integral ferrule joint has the characteristics of prevention of losing since the pressing cap and the ferrule can be placed and carried as an integral structure, high mounting efficiency, high connecting reliability and prevention of leakage.

The invention relates to a geotechnical network frame, which comprises geotechnical network layers which are stacked and bundled by ropes to form a network frame body. The geotechnical network layer comprises a plurality of geotechnical strips, and adjacent geotechnical strips being bundled by ropes to form a geotechnical network layer on the same plane. The geotechnical network frame and the application thereof provided by the invention can solve the problems of poor mechanical performance and long manufacturing time after geobag connection in the prior art. The structure is stable, high bearing capacity and beneficial shock absorption effect on engineering are achieved, the bearing capacity of the foundation or the stability of a slope or a retaining wall is effectively improved, and engineering disasters such as foundation instability, landslide and the like are greatly reduced.

A cable fixing clamp for electric power engineering installation is disclosed in the invention, and comprises a U-shaped base, an upper pressing plate abutting against the U-shaped base is arranged on the U-shaped base, the upper pressing plate abuts against and is connected with the upper end of the U-shaped base through two connecting mechanisms, a plurality of first sliding grooves are formed in the U-shaped base, an adjustable supporting block is slidably connected into each first sliding groove, a first arc-shaped groove is formed in the upper end of each supporting block, a plurality of detachable upper pressing blocks are arranged on the upper pressing plate, a second arc-shaped groove opposite to the first arc-shaped groove is formed in the bottom of each upper pressing block, the upper pressing plate is composed of a plurality of connecting plates, and guide grooves are formed in the two sides of the connecting plates. According to the invention, the cable can be rapidly clamped, the operation is simple and rapid, convenience is provided for workers, the cable is not easy to lose, the damaged cable can be independently disassembled, the whole upper pressing plate does not need to be disassembled, and the labor amount of the workers is reduced.

The invention discloses a mine-used inspection vibrating screen, comprising a rack as well as a secondary linear vibrating screen and a tertiary linear vibrating screen which are respectively connected with the rack by virtue of elastic support elements, wherein the secondary linear vibrating screen and the tertiary linear vibrating screen are respectively provided with a vibration exciter, an oversize product discharge hole of an upper screen of the secondary linear vibrating screen, a screening discharge hole of a lower screen of the secondary linear vibrating screen and all of discharge holes of the tertiary linear vibrating screen are respectively provided with one material box, the oversize product discharge hole of the lower screen of the secondary linear vibrating screen is communicated with a feeding hole of the tertiary linear vibrating screen, and mesh sizes of screens in three layers of the tertiary linear vibrating screen are between the mesh size of the upper screen of the secondary linear vibrating screen and the mesh size of the lower screen of the secondary linear vibrating screen. In the invention, the two linear vibrating screens can be operated without mutual interferences, the material blocking on a screen surface and the material loss are difficult to happen, and the screening accuracy is high.

The invention discloses a production method of mint tea chewable tablets. The production method comprises the steps: adding mint and tea together into water and extracting volatile oil by a steam distillation method, filtering the slurry to obtain filter residue and filtrate after the volatile oil is extracted, concentrating the filtrate to obtain a concentrated extracting solution, performing treatment on the filter residue with a citric acid water solution under a heated and ultrasonic condition, performing filtering to obtain a concentrated solution, performing precipitation with absolute ethanol and drying on the concentrated solution to obtain water-soluble dietary fibers, mixing the concentrated extracting solution with the water-soluble dietary fibers, performing freeze drying and pulverization uniformly to obtain freeze-dried powder, then uniformly spraying the volatile oil at normal temperature into the freeze-dried powder to obtain mint tea powder, finally uniformly mixing the mint tea powder with microcrystalline cellulose and other raw materials and carrying out tabletting to obtain the mint tea chewable tablets. The mint tea chewable tablets produced by the productionmethod have high absorption efficiency of nutritional health-care components, good mouthfeel and stable quality, and the effective components are not likely to damage and lose.

The invention discloses a teaching display device for foreign language training. The device comprises a display device body, a storage box body is arranged on the inner side of the front face of the display device body, a box body switching device is arranged in the center of the right side of the front face of the storage box body, a movable display board is movably installed at the top end of the front face of the storage box body, a movable cross beam and a movable stand column are movably installed on the inner side of the front face of the storage box, and a V-shaped supporting frame is movably installed at the intersection position of the two ends of the front face of the display device body and the movable display board. According to the teaching display device for foreign languagetraining, through the storage box body arranged on the inner side of the front face of the display device body and the movable cross beam and the movable stand column which are movably installed on the inner side of the front face of the storage box body, multiple teaching supplies can be effectively placed, and field training teaching and carrying are facilitated. Besides, sliding blocks are slidably connected to the inner sides of the front faces of the movable cross beam and the movable stand column and the inner wall of the storage box body, disassembly and assembly can be effectively conducted, large training teaching facilities are convenient to place and carry, use is easy, operation is convenient, and the phenomenon of losing is not likely to happen.

The invention relates to laser lossless cutting equipment and process for a photovoltaic cell. The equipment comprises a rack, the rack is provided with a first material conveying mechanism used for feeding, a cutting mechanism used for cutting the photovoltaic cell, a conveying mechanism used for conveying the photovoltaic cell and a second material conveying mechanism used for discharging, and the conveying mechanism is located between the first material conveying mechanism and the second material conveying mechanism; the cutting mechanism comprises a cutting laser used for cutting the photovoltaic cell, a heating laser used for heating the photovoltaic cell and a cooling assembly used for cooling the photovoltaic cell, all of which are sequentially arranged in the conveying direction ofthe photovoltaic cell. The two sides of the photovoltaic cell piece are cut by the cutting laser device, and the heating laser device heats a connecting line area between two cutting marks, so that the photovoltaic cell piece is cut. The equipment and the process have the effects of being high in automation degree, convenient and fast to feed and discharge, high in photovoltaic cell cutting quality and high in machining efficiency.

The invention discloses a chest X-ray display device with an adjusting mechanism. The chest X-ray display device comprises a bed board, a perspective body, a main body and a groove, wherein a liftingrod is arranged on the right side of the bed board, a flexible rod is arranged at the top of the lifting rod, the perspective body is fixed to the top end of the flexible rod, a pillow is arranged atthe top of the bed board, a clamping groove is formed in the inner side of the pillow, the left end of the bed board is connected with a wood plate, a transverse plate is arranged on the outer wall ofthe wood plate, a fixing plate is arranged at the bottom of the transverse plate, a supporting body is installed at the top end of the transverse plate, the main body is fixed to the top of the supporting body, a display screen is arranged on the inner side of the main body, and supporting columns are arranged at the bottom of the bed board. Through arrangement of the bed board, the lifting rod,the flexible rod and the perspective body, the central axis of the lifting rod coincides with the central axis of the bed board, and through the lifting effect of the lifting rod, the height of the perspective body can be adjusted, so that the device works more smoothly.

The invention relates to a dustproof ionic polymer, a preparation method of the dustproof ionic polymer and a dustproof greenhouse film, the dustproof ionic polymer comprises an ionic polymer and dustproof molecules fixed on the ionic polymer through chemical bonds, the ionic polymer is applied to an agricultural greenhouse film, molecules with a dustproof effect are fixed on the ionic polymer in a chemical grafting reaction form, so that the dustproof effect of the prepared greenhouse film can be kept for a long time, and meanwhile, the greenhouse film has relatively high light transmittance. The good technical effect is achieved, and the existing technical problem is well solved.

The invention discloses a stiffening plate supporting type outer-frame-free construction platform used for a residential building and a method, and belongs to the technical field of structural engineering. The structure is composed of stress triangular frames, a protection system, connecting pieces, reinforcing pieces and bolts. Compared with the prior art, the outer-frame-free construction protection platform is reasonable in structure, clear in force transmission path, high in bearing capacity, high in assembly rate, green, environmentally friendly and low in economic cost. The steel pipe connecting pieces are adopted as a connecting manner of the protection system and a stress system, so that the construction efficiency is improved. The reinforcing pieces are arranged at stress bolts, so that it is guaranteed that the stress state of a framework is not changed, and the structural stability is guaranteed. A lower support is separated from the stress system, so that the bearing capacity reserve is provided while mounting is convenient. The platform is a novel fabricated outer-frame-free construction protection platform suitable for low-rise and multi-storey residential buildings.

The invention discloses a pair of slippers. The slippers comprise a left slipper and a right slipper. The left slipper and the right slipper respectively comprise a shoe sole. A clamping strip is arranged at the right side of the shoe sole of the left slipper, an opening of the clamping strip faces the right side of the shoe sole of the left sipper, and the clamping strip is through in the front and back direction of the shoe sole. A clamping groove is formed in the left side of the shoe sole of the right slipper, and the clamping strip and the clamping groove are matched. The slippers ensure that the two slippers are together all the time when a user takes off the slippers, easily prevent the situation that one is lost, are simple in structure, are convenient to use, and can save storage space when being stored.

The invention discloses an anti-drop waterproof USB flash disk with an anti-loss structure, and belongs to the technical field of USB flash disks. The anti-drop waterproof USB flash disk comprises a protective shell, movable plates, a mounting plate and a lower shell, and a disc body is mounted on the inner side of the protective shell; a plug is mounted at the top of the disc body; the outer sideof the plug is connected with a limiting plate; an upper shell is mounted at the top of the limiting plate; the movable plates are located below the two sides of the upper shell, bearings are installed on the inner sides of the movable plates, first sliding blocks are installed on the inner sides of the bearings, chutes are reserved in the inner sides of the first sliding blocks, the mounting plate is located below the disc body, second sliding blocks are fixed to the outer wall of the mounting plate, and threaded rods are installed below the mounting plate. The plug can be protected, most ofhumid air is prevented from entering the plug, the upper shell is not prone to being lost, anti-falling and waterproof protection can be conducted on the disc body, and the anti-falling and waterproof protection device can be suitable for disc bodies of different types and lengths.

The invention relates to a speed bump power generation device and a working method. The speed bump power generation device comprises a housing buried below the ground, wherein the top of the housing is open, and a speed bump is arranged at the opening; the speed bump is elastically connected with the housing; a transmission element is connected to the bottom surface of the speed bump; the transmission element is elastically connected with the housing; the side surface of the transmission element makes contact with one end of each of a plurality of transmission rods; the other end of each transmission rod penetrates through a guide element and then is connected with a linear power generator fixed into the housing; and each transmission rod is fixedly connected with one end of an elastic element, and the other end of the elastic element is fixedly connected with the guide element. The lifting movement of the transmission element is capable of co-acting with the elastic element to drive the transmission rods to move, and the movement of the transmission rods is capable of driving the linear power generator to generate power; and by using the speed bump power generation device, energywaste is avoided.

The invention relates to a suction type material receiving device, a main shaft side material receiving system and an auxiliary shaft side material receiving system. The suction type material receiving device comprises a conveying pipe, a material receiving bin and a negative pressure pipe, wherein the conveying pipe is arranged on a machine tool, close to workpieces and used for conveying the machined workpieces, the material receiving bin communicates with the end, away from the workpieces, of the conveying pipe and used for storing the machined workpiece, the negative pressure pipe communicates with the material receiving bin and enables the interior of the material receiving bin to be in a negative pressure state. The suction type material receiving device, the main shaft side material receiving system and the auxiliary shaft side material receiving system have the effects that the thin and small workpieces can be sucked in after the workpieces are machined, the thin and small workpieces are fed into the material receiving bin to be stacked, the stability of the thin and small workpieces during discharging is improved, and the thin and small workpieces are not prone to being lost during the discharging.

The invention discloses a recovery process of heavy metal ions in lead-acid storage battery sewage, and relates to the technical field of sewage treatment.The specific process comprises the following steps that sewage is guided into a treatment pond containing a heavy metal adsorbent for multi-stage sedimentation, and then sediment at the bottom of the pond is dried and ground into powder; and the wastewater is conveyed into a recovery tank of a high-voltage power supply through an air blower and can be settled in different areas under an electric field, so that the heavy metal ions in the wastewater are recovered. According to the invention, sewage is introduced into a treatment pool containing a heavy metal adsorbent for multistage sedimentation, then sediments at the bottom of the pool are dried and ground into powder, the powder is sent to a recovery tank of a high-voltage power supply through an air blower, and sedimentation in different areas is generated by utilizing the fact that charged substances and uncharged substances can move in different tracks under an electric field. Therefore, the heavy metal adsorbent adsorbing the heavy metal in the precipitate can be separated from other impurities, and the purpose of recycling the heavy metal is achieved.