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55results about How to "Easy to modify later" patented technology

Underground garbage classified collection system

An underground garbage classified collection system comprises an overground garbage collection device, underground garbage cans and lifting devices, wherein the overground garbage collection device comprises a collecting box, marking buttons which are arranged on the surface of the collecting box and inlet switches which are arranged at the bottom of the collecting box, and the overground garbage collection device is used for collecting overground garbage; the underground garbage cans are used for containing the overground garbage; and the lifting devices are used for raising the underground garbage cans to the ground, so that the garbage in the underground garbage cans can be cleaned away conveniently. According to the underground garbage classified collection system, an underground classified garbage collecting box system is used, and the classified garbage collecting cans are buried under the ground, so that the ground space is saved, and the environment is beautified. According to the underground garbage classified collection system, by the aid of the buttons indicating different kinds of garbage, people are forced objectively to select one button when discarding the garbage, so that a good influence is exerted on reinforcement of the garbage classification idea of the people, and the garbage classification effect can be greatly improved. Besides, according to the underground garbage classified collection system, only simple circuit designs and the lifting devices are used, so that the underground garbage classified collection system is low in cost, high in operability and easy to maintain and transform later.
Owner:SHENZHEN SMART SECURITY & SURVEILLANCE SERVICE ROBOT CO LTD

Underseal opening type full-bore cementing sliding sleeve

Provided is an underseal opening type full-bore cementing sliding sleeve. The underseal opening type full-bore cementing sliding sleeve comprises an upper joint, a lower joint, a central pipe, a rupture cylinder, a sliding sleeve, an inner cylinder, and an outer cylinder, the upper end and the lower end of the central pipe are respectively connected with the upper joint and the outer cylinder, the bottom end of the outer cylinder is connected with the lower joint, the central pipe is connected with the sliding sleeve via a shear pin, the upper end of the inner cylinder is connected with the sliding sleeve, the lower end of the inner cylinder is tangent to the lower joint and can slide along the lower joint, a sidewall of the central pipe is provided with a fracturing hole, the outside of the central pipe is provided with the rupture cylinder capable of sealing the fracturing hole, a containing cavity used for fixing a snap ring is formed between an inner side surface of the outer cylinder and the central pipe, the snap ring is embedded into the containing cavity, the outside of the inner cylinder is provided with a groove matched with the snap ring, and the distance from the groove to the snap ring is greater than the distance from the top end of the sliding sleeve to the lower edge of the fracturing hole. According to the underseal opening type full-bore cementing sliding sleeve, the sliding sleeve can be opened via lower falling of a packer string in a shaft, the sliding sleeve is communicated with an oil gas layer, the operation is convenient and reliable, full bore in the shaft is realized, and convenient conditions are provided for the subsequent construction operation.
Owner:CNPC BOHAI DRILLING ENG

Pre-fabricated assembled steel structured residential cable and electric wire laying system and construction method therefor

The invention provides a pre-fabricated assembled steel structured residential cable and electric wire laying system and a construction method therefor, and specific to the problem of inconvenient post modification caused by the fact that the existing cable through pipe is prefabricated in a wall, and the problem of difficulty in mounting space reduction caused by relatively large laying radius due to through pipe laying. The system comprises a plurality of hydroelectric wall boards and a plurality of cables; vertical branch wire slots used for laying the cables are formed in the hydroelectric wall boards; the cables are fixed in bunches through a plurality of clamps; the clamps are glued in the vertical branch wire slots, so that construction is convenient; the upper ends of the cables walk in a suspended ceiling along a top plate to an indoor power distribution box while the lower ends of the cables are connected with corresponding sockets or switches respectively; the cables are laid in the hydroelectric wall boards, so that post modification or maintenance can be convenient; the cables are fixed in bunches through a plurality of clamps without adopting a pipe through laying way, so that the laying radius can be reduced and the mounting space can be saved; in addition, a power distribution room is connected with each indoor power distribution box in a radiative power supply way, so that direct power supply can be realized after assembling in each layer is completed, and temporary power utilization application can be reduced.
Owner:上海市建工设计研究总院有限公司 +1

Wheelchair control method based on brain waves and wheelchair control system combined with voice

The invention discloses a wheelchair control method based on brain waves and a wheelchair control system combined with voice. According to the wheelchair control method, filtering, feature extractionand signal classification are performed on the acquired brain waves and then the brain waves are converted into wheelchair control signals to control wheelchair movement. The wheelchair control systemcomprises a wheelchair movement motor, a processor module, a voice module, a motor driving module, an obstacle detection module, a road condition detection module and a first communication module group. The wheelchair control system also comprises a brain wave acquisition device and a terminal control device. The brain wave detection device comprises a brain wave acquisition and processing moduleand a second communication module. The terminal control device comprises a mobile phone and a server. The wheelchair user is enabled to control wheelchair movement through the brain waves, the voiceor the manual mode, the wheelchair control consciousness of the wheelchair user can be converted into the voice information and the obstacle and road condition detection and broadcasting can be performed in the wheelchair movement process so that the automation, the intellectualization, the safety and the reliability of wheelchair control can be enhanced.
Owner:SHANDONG AGRICULTURAL UNIVERSITY +2

Workflow system and business system integrated with specification implementation method

The invention relates to the field of workflow system fusion, and particularly discloses a workflow system and business system integrated with specification implementation method, which comprises thefollowing steps of: defining parameters of an operation interface as follows: a node ID, a business instance ID, an operation type, an operation name, an operation address and a callback address; in the development process of the process node, setting operation parameters corresponding to the operation of the process node; when the operation is executed, displaying the operation as a button markedwith an operation name, and when the operation is triggered, calling and exuecting the corresponding operation through the operation data. Through brand-new standard operation inetrgation specifications, a large amount of time and workload required by planning and defining are saved during fusion and targeted development of standard operation of the workflow system. Through a standardized operation definition and compiling mode, the service functions are directly registered, so that the integration efficiency of the workflow and the service functions is greatly improved, and the later modification, management and maintenance of a workflow system are easier and more convenient.
Owner:佛山市携简科技有限公司

Self-adaptive automobile shock absorber realizing stepless adjustment

The invention provides a self-adaptive automobile shock absorber realizing stepless adjustment, and belongs to the technical field of automobiles. The self-adaptive automobile shock absorber comprisesa damping cylinder and a damping spring which is arranged outside the damping cylinder in a sleeving mode; the damping spring is a hollow spring internally provided with a damping hole; a plurality of first wires penetrate through the damping hole; the first wires are connected in parallel and then connected with a second wire; the upper end of a liquid storage chamber is slidably connected witha pressure adjusting piston; an armature block located above the pressure adjusting piston is fixedly arranged on an upper mounting base; the second wire is wound on the armature block in the same direction; a first permanent magnet strip of which the magnetic pole direction is in the same straight line as the magnetic pole direction of an electromagnetic structure formed after the second wire onthe armature block is powered on is embedded in the pressure adjusting piston; a permanent magnet group comprises a plurality of second permanent magnet strips which are uniformly distributed in the circumferential direction and outside the axis of a cylinder body; the second wire is connected with a resistor in series; and the second wire is provided with a slide rheostat connected with the resistor and the second wire which is wound on the armature block in parallel. The self-adaptive automobile shock absorber provided by the invention has the advantages of manually intervening the rigidityof the automobile shock absorber and the like.
Owner:ADD IND ZHEJIANG CORP

Composite buffer mechanism

The invention provides a composite buffer mechanism, and belongs to the technical field of automobiles. The composite buffer mechanism comprises a damping cylinder and a damping spring arranged outside the damping cylinder in a sleeving mode. The damping spring is a hollow spring internally provided with a damping hole. A plurality of first wires penetrate through the damping hole, the first wiresare connected in parallel and then connected with a second wire. The upper end of a liquid storage cavity is slidably connected with a pressure regulating piston. An armature block located above thepressure regulating piston is fixedly arranged on an upper mounting base. The second wire is wound on the armature block in the same direction. A first permanent magnet strip with the magnetic pole direction located on the same straight line as the magnetic pole direction of an electromagnetic structure formed after the second wire on the armature block is powered on is embedded in the pressure regulating piston. A permanent magnet set comprises a plurality of second permanent magnet strips evenly distributed outside the axis of a cylinder body in the circumferential direction. The composite buffer mechanism has the advantage that the rigidity of an automobile shock absorber can be adjusted in a self-adaptive mode.
Owner:靖江市新易达机械配件制造有限公司

Latticed shell structure and wind-resistant truss column connection structure

The invention provides a latticed shell structure and wind-resistant truss column connection structure, comprising a horizontal steel beam, a latticed shell lower chord ball joint, a first connection component and a second connection component; the latticed shell lower chord ball joint is mounted on a latticed shell lower chord layer of a latticed shell structure and is connected with the horizontal steel beam through the first connection component, the horizontal steel beam is connected with the wind-resistant truss column through the second connection component, the first connection component comprises a first connector and a second connector connected with each other, the first connector is provided with a vertical elliptical hole, the second connector is provided with a round bolt hole, the second connection component comprises a third connector and a fourth connector connected with each other, the third connector is provided with a horizontal transverse elliptical hole, and the fourth connector is provided with a vertical elliptical hole. The connection structure of the invention has the advantages of simple form, clear force transmission path, good safety and reliability, reduced joint construction difficulty and facilitated late reformation and extension.
Owner:HUATIAN ENG & TECH CORP MCC

Vibration reduction device subjected to strong intervention

InactiveCN111963610AReduce oil leakage and other adverse phenomenaImprove cooling effectSpringsLiquid based dampersMagnetic polesCylinder block
The invention provides a vibration reduction device subjected to strong intervention, and belongs to the technical field of automobiles. The vibration reduction device subjected to strong interventioncomprises a damping cylinder and a vibration reduction spring. The vibration reduction spring sleeves the damping cylinder. The vibration reduction spring is a hollow spring, and a damping hole is formed inside the vibration reduction spring. Multiple first wires are arranged in the damping hole in a passing mode, and the first wires are connected in parallel and then connected with a second wire. A pressure adjusting piston is connected with the upper end of a liquid storage cavity in a sliding mode. An armature block which is located above the pressure adjusting piston is fixedly arranged on an upper installation base, and the second wire is wound around the armature block in the same direction. A first permanent magnet strip is embedded into the pressure adjusting piston, and the magnetic pole direction of the first permanent magnet strip and the magnetic pole direction of an electromagnetic structure which is formed after the second wire on the armature block is energized are located on the same straight line. A permanent magnet set comprises multiple second permanent magnet strips which are uniformly distributed outside the axis of a cylinder body in the circumferential direction. The damping hole and the liquid storage cavity communicate with each other through a liquid outlet channel, and the pressure adjusting piston partially covers the liquid outlet channel when thevibration reduction spring is located in the initial state. The vibration reduction device subjected to strong intervention has the advantage that the rigidity of the vibration reduction device can beadjusted in a self-adaptation and high-strength mode.
Owner:日照普拉沃夫机械制造有限公司

Upper shell and lower shell assembly machine

The invention discloses an upper shell and lower shell assembly machine. The upper shell and lower shell assembly machine comprises a machine base, a turntable device, a plurality of part mounting devices and a part supplying device corresponding thereto, an upper shell supply device, an upper shell assembling device, a screwing device, a first material moving device, a finished product conveyingdevice and a second material moving device, wherein the turntable device comprises a turntable body and a turntable drive mechanism, a plurality of lower shell stations are circumferentially distributed on the turntable body, the turntable body is connected with the turntable drive mechanism, and the turntable drive mechanism is arranged on the machine base and used for driving the turntable bodyto rotate; the upper shell assembling device is used for grabbing upper shells provided by the upper shell supplying device and assembling the upper shells to lower shells which complete the part assembling, the first material moving device is used for moving the lower shells which assembled the upper shells into a positioning table of the screwing device, the second material moving device is arranged on the machine base, and the second material moving device is used for conveying finished products which are screwed from the positioning table to the finished product conveying device. The concentration degree and the automation degree of the upper shell and lower shell assembly of the structure are higher.
Owner:中山华粹智能装备有限公司

Hydrophobic sponge loaded with carbon nanotubes, preparation method and application of hydrophobic sponge in oil-water separation

The invention provides hydrophobic sponge loaded with carbon nanotubes, a preparation method and application of the hydrophobic sponge, which belong to the technical field of oil-water separation. Firstly, polyurethane sponge isoxidized by using a H2O2 / H2SO4 mixed solution, so that the number of hydroxyl groups of the polyurethane sponge is increased, and the polyurethane sponge is convenient to modify; a silane coupling agent is utilized to realize combination of polyurethane sponge and hydroxylated carbon nanotubes, and specifically, hydroxyl groups of the polyurethane sponge and hydroxyl groups of the hydroxylated carbon nanotubes react with the silane coupling agent to obtain the hydrophobic sponge loaded with the carbon nanotubes. On one hand, the carbon nanotubes can increase the roughness of the surface of the polyurethane sponge and improve the hydrophobicity of the polyurethane sponge, so that the oil-water separation efficiency is improved; meanwhile, the carbon nanotubes can also improve the oil absorption rate of the polyurethane sponge, so that the oil absorption efficiency is improved; in addition, long-chain alkyl of the silane coupling agent is grafted to the polyurethane sponge, the hydrophobicity of the polyurethane sponge can be further improved, and then the oil-water separation efficiency is improved.
Owner:SHANDONG UNIV

A Numerical Prediction Method for Flow-Induced Noise of Centrifugal Pumps

The invention discloses a numerical prediction method of the flow-induced noise of a centrifugal pump. The invention provides a numerical prediction method of the flow-induced noise of a centrifugal pump by calculating the sound source characteristics of the flow noise on the basis of the test results of the performance test of the centrifugal pump. Moreover, this method can better overcome the shortcomings of the traditional calculation method that does not consider the influence of the pump body structure on the sound propagation and ignores the broadband noise of the eddy current. Applying the analysis of the internal flow of the centrifugal pump and the calculation results of the far-field noise value to the low-noise hydraulic design of the centrifugal pump can reduce the number of tests, shorten the development cycle, save development costs, and effectively improve the design quality of the centrifugal pump; fluid grid and acoustics The interpolation method between the grids can preserve the sound source information of the flow field calculation to the greatest extent; the GREEN analysis can be used to obtain the contribution of different parts of the shell to the noise. Research on this can be used for the preliminary design or Post-modification for optimization.
Owner:JIANGSU UNIV

Low-temperature radiation air-conditioning module wall based on capillary network structure

The invention provides a low-temperature radiant air-conditioning module wall based on capillary network structure, which comprises organic glass veneer panels, connecting pillars, PE-RT pipes, welded steel wire mesh, aluminum foil reflective film, thermal insulation layer, and structure arranged in sequence from the surface to the inside. Layers and mounting brackets, the plexiglass veneer has several openings, the plexiglass veneer is supported by the connecting pillars to form a 1-3mm thick space, and the PE-RT tube is arranged in this space, and the PE-RT tube adopts the in-line type PE-RT Tube, PE-RT tube circulates heat medium, heat medium relies on circulation equipment to provide kinetic energy, aluminum foil reflective film is arranged under the welded steel mesh and the insulation layer controls the radiation direction of PE-RT tube to be unidirectional. The module wall has a high heat conversion rate, good indoor thermal comfort, and can be closely combined with the building wall without occupying the indoor space. It meets the requirements of the building modular system, and can be prefabricated and the number can be increased or decreased according to actual needs to control the indoor temperature rise. Effect.
Owner:NANJING INST OF TECH

A combination fixture for rail vehicle machining

ActiveCN103465064BSolve the trouble of lifting back and forthIncrease usagePositioning apparatusMetal-working holdersMachining processMachine tool
The invention provides a combined rail vehicle machining fixture, which includes a floor machining fixture, a roof welding overall machining fixture, a long and large material machining fixture and a beam platform. The whole tooling is composed of 20 unit modules. Units 1-4 are composed of 5 small modules at the beginning, and other unit modules are composed of three small modules. The small T-slot module in the middle is responsible for the support and clamping of long and large-scale machining. , and can meet the profile processing of different sections by changing the support module. The small fixture modules on both sides of the T-shaped slot are mainly used for the overall machining of the roof after welding. The invention is easy to operate and accurate in positioning, solves the trouble of lifting and transporting the tooling back and forth, improves the utilization rate of the machine tool, overcomes the problem of insufficient flexibility in the layout of the existing subway vehicle machining process, ensures the progress of the project, and the flexible design It makes the tooling convenient for later transformation, and only needs to modify the simple support and compression module to adapt to the production of different types of products.
Owner:NANJING ZHONGCHE PUZHEN URBAN RAIL VEHICLE CO LTD

Modeling method for modular splicing type complex terrain

The invention discloses a modeling method for a modular splicing type complex terrain. The modeling method comprises the following steps that S1, firstly, modular modeling single bodies are manufactured for later use; S2, according to the specifications of the modular modeling single bodies, high-precision grid interpolation is carried out on the complex terrain; S3, elevation coordinates of the modular modeling single bodies are locked, and numbering is carried out on each modular single body; S4, sand filling is conducted; S5, plastering is conducted; S6, after the construction of the original terrain is completed, simulating is carried out on the building, and lofting and construction of the building are carried out according to the mark points which are embedded in advance; and S7, after the building is completed, model manufacturing is basically finished. The modularized modeling single body is used so that accurate simulating can be carried out on the complex terrain, the height of the terrain can be accurately simulated through telescopic scales, and therefore the model manufacturing precision can be greatly improved, and the model manufacturing speed can be greatly improved; and a modular splicing mode is adopted, and after numbering is carried out on each module, the modules can be assembled at any place and are not limited by places.
Owner:TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG +2

Thread break preventing device for textile machinery

The invention discloses a thread break preventing device for textile machinery, which structurally comprises an upper thread column, a main frame, a bottom thread column, a thread grinder and a threadoutlet frame, wherein the upper thread column is mounted on and connected with the bottom thread column, the main frame is locked with the thread outlet frame, and the thread grinder is mounted on the main frame; the main frame is composed of a main frame body, frame holes and an outlet plate, the main frame body is welded with the outlet plate, and the frame holes are formed in the main frame body; the thread outlet frame comprises a thread outlet frame body, a thread frame hole and a thread frame port, and the thread frame port and the thread frame hole are formed in the thread outlet framebody; and the upper thread column comprises an upper thread-feeding head, an upper thread-feeding cover and an upper thread-feeding rod, and the upper thread-feeding head and the upper thread-feedingrod are embedded in the upper thread-feeding cover. According to the invention, the conveying stability is improved due to multi-position winding and conveying of spun threads, the spun threads are combed when being conveyed by the upper thread-feeding rod, and an upper trajectory and the thread grinder are capable of adjusting the opening size according to the thread thickness, thereby avoidingthread knots and thread accumulation, and meanwhile, the diameter of a thread knot is reduced by grinding, so that the conveying smoothness of the spun threads is improved.
Owner:河南世贤纺织科技有限公司

Detection method for high-precision detection of volatile organic compounds

The invention discloses a detection method for high-precision detection of volatile organic compounds, which comprises the following steps of preparing a cerium-doped mesoporous molecular sieve, sequentially carrying out aminopropyl modification, perylene-3, 4, 9, 10-tetracarboxylic dianhydride grafting and octadecyl mercaptan modification on the cerium-doped mesoporous molecular sieve, and packaging to obtain a volatile organic compound detection film, and establishing a standard curve between the concentration of the volatile organic compounds and the fluorescence intensity of the detectionfilm by utilizing the fluorescence intensity difference of the detection film to the volatile organic compounds with different concentrations, so that the high-precision detection of the volatile organic compounds is realized. In the way, the rich pore structure in the molecular sieve can be used to efficiently adsorb and desorb the volatile organic compound, the perylene-3, 4, 9, 10-tetracarboxylic dianhydride is taken as a substrate, quantitative detection of the volatile organic compounds is realized by utilizing the fluorescence effect of the perylene-3, 4, 9, 10-tetracarboxylic dianhydride, and the sensitivity, accuracy and stability of detection are effectively improved by combining the synergistic effect of all groups, so that the application range is relatively wide.
Owner:HUNAN UNIV OF SCI & TECH

Production process and equipment for corner window glass edge covering assembly

The invention discloses a production process and equipment of a corner window glass edge covering assembly, relates to the field of automobile corner window glass production processes, and provides the following scheme aiming at the problems that the existing injection molding synthesis equipment used for automobile corner window glass is large in size, complex in structure and high in use and maintenance cost: the corner window glass edge covering assembly comprises triangular glass and edge strips, the mold mechanism is used for synthesizing the triangular glass and the edgings, the mold mechanism comprises a rack, an upper mold and a lower mold, the rack is installed at the top end of the equipment cabinet, and the upper mold and the lower mold are connected into the rack in a sleeved mode; a die cavity is formed in the top end of the lower die, a base plate is connected into the die cavity in a sleeved mode, round holes are evenly formed in the base plate, and an air channel is formed in the lower die. The automobile corner window edge covering production process and the mold equipment are novel in structure, the production efficiency and the product quality are optimized, meanwhile, the equipment structure is simple, operation is convenient and fast, and the production cost is low.
Owner:GUANGZHOU XINQIANG AUTOMOTIVE COMPONENTS CO LTD
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