31results about How to "Strong adaptability to the working environment" patented technology

The invention discloses a rock nuclear magnetic resonance relaxation signal measuring device of formation rock matter property, which comprises the following parts: magnet, probe, preposition amplifier, power amplifier, nuclear magnetic resonance controller and control computer, wherein the nuclear magnetic resonance controller generates specific frequency and waveshape radio frequency actuation impulse, which is sent to the nuclear magnetic resonance probe in the magnet after magnified; the rock sample is set in the exciting probe, which generates nuclear magnetic resonance backward wave signal; the nuclear magnetic resonance probe receives the backward wave signal and sends to the nuclear magnetic resonance controller after magnified, which is sent to the computer finally. The invention can generate the parameter for usage directly, which can be applied in the oil field nuclear magnetic resonance well.

The invention belongs to a valve design technology, and particularly discloses a nitrogen type water-attack pressure release valve system. The nitrogen type water-attack pressure release valve system comprises a main valve, a pipeline meter, an electric control cabinet, a temperature difference stabilization bottle and a nitrogen source; a main valve inner chamber is connected with the nitrogen source and the temperature difference stabilization bottle through a valve group and pipelines; nitrogen of the main valve inner chamber is supplied by the nitrogen source; a pressure gauge for displaying setting pressure of a water-attack pressure release valve is arranged between the temperature difference stabilization bottle and the main valve inner chamber; and nitrogen pressure in the temperature difference stabilization bottle is the same as nitrogen setting pressure of the main valve inner chamber. The nitrogen type water-attack pressure release valve system is suitable for a conveying pipeline of a high-viscosity and poor-cleanliness medium; when the high-viscosity medium is conveyed, the main valve inner chamber can be filled with nitrogen rapidly, the nitrogen continuousness is good, the main valve acts and reacts sensitively, and the nitrogen type water-attack pressure release valve system is free from influence of the physical properties of the medium and is high in working environment adaptability; and the nitrogen type water-attack pressure release valve system is simple in structure and high in automation degree.

The invention relates to a test method for an FPSO upper module model under simulated extreme sea condition. An FPSO upper module integration model, an electric six-degree-of-freedom platform, a control system console, a test system workbench, a motion monitoring platform, a support platform, a protective fence, a resistive strain gauge, an acceleration sensor, a static strain test and analysis system, a dynamic signal test and analysis system and a computer software system. The resistive strain gauge and the acceleration sensor are arranged at key parts of an FPSO upper module model; the static strain test and analysis system and the dynamic signal test and analysis system are connected to the resistive strain gauge and the acceleration sensor respectively; a computer is provided with static strain and dynamic signal test and analysis system software and is connected with the static strain test and analysis system and the dynamic signal test and analysis system to collect and processtesting data. According to the invention, the overall dynamic mechanical test method for the FPSO upper module has advantages of wide application range, high efficiency, low cost, and high test accuracy.

The invention discloses a pipeline vibration-insulation antishock elastic supporting suspension rack comprising a vulcanization clamp, a supporting member and a power dynamic absorbing assembly. The vulcanization clamp is in a circular ring structure; the supporting member is in a 8-shaped structure and consists of an upper steel ring and a lower steel ring; the upper and lower steel rings are fixedly connected with each other; the power vibration absorbing assembly is formed by a quality block, an upper frequency modulation spring, a lower frequency modulation spring and an adjusting stud; the adjusting stud orderly passes through the upper frequency spring, the quality block and the lower frequency adjusting spring; the bottom of the lower steel ring of the supporting member is fixedly connected to a base seat; the top of the upper steel ring of the supporting member is connected with the vulcanization clamp via a bolt; the upper end of the adjusting stud of the power vibration absorbing assembly is fixedly connected to the middle of the supporting member; and the supporting suspension rack can effectively prevent pipeline vibration transmitting to a ship body structure. Upon external impact to a ship, impact stress to the system pipeline by the external impact and damage can be effectively reduced by elasticoplastic deformation of the elastic support, so system integrity and reliability can be guaranteed.

The invention relates to a soft-bodied rigidity variable drive device. The soft-bodied rigidity variable drive device comprises a main body part, a tail end part and a rigidity variable structure. Themain body part comprises a first compressing face and a first bending face, the whole first compressing face is in a fold line shape, and the first bending face is straight in a natural state. A cavity structure is formed in the main body part, and the main body part can be driven by negative pressure to shrink so as to be integrally bent towards the first compressing face. The rigidity variablestructure comprises a plurality of hardboards obliquely fixed to the inner wall of the first bending face, and relative to the inner wall of the first bending face, the hardboards only have one degreeof freedom. The tail end part comprises a second compressing face, a second bending face and a connector. The tail end part is connected with one end of the main body part through the connector, thewhole tail end part is of a finger structure, and a cavity structure is formed in the tail end part. The soft-bodied rigidity variable drive device is relatively small in weight and relatively high inconveying speed and reaction sensitivity, the service life of the soft-bodied rigidity variable drive device is far longer than that of other transmission manners, and the rigidity variability of a soft-bodied drive device is creatively achieved through the negative pressure characteristic.

The invention discloses an anti-floating anchor rod pile test device and test method. The test device comprises an anti-floating anchor rod pile, a sensing assembly, a temperature and humidity sensingsystem, a data acquisition system, a data transmission system, a data processing and analysis system, a monitoring result display system and a loading system, wherein the sensing assembly comprises afirst strain sensing optical fiber, a second strain sensing optical fiber and a temperature sensing optical fiber. According to the test device, a groove is formed in the anchor rod pile to arrange the first strain sensing optical fiber, the second strain sensing optical fiber and the temperature sensing optical fiber are arranged on the periphery of a reinforcing steel bar, a vertical load applying system is used for carrying out a pull-out test on the anti-floating anchor rod pile, a BOTDA data acquisition system, a fiber bragg grating data acquisition system and a DTS data acquisition system are utilized, and the strain and temperature information of a pile body of the anti-floating anchor rod pile is measured with high precision and is displayed in a monitoring result display system in a chart form. The test device has the advantages of being simple in construction wiring, high in data measurement precision, small in drifting and good in waterproofness.

The embodiment of the invention relates to the field of fire extinguishing, and solves the existing problems of high personnel participating degree, low automatic operation level, slow responding, weak operation adaption capability and the like. The system comprises a controlling center and an unmanned-aerial vehicle detecting secondary system, a data processing secondary system and a fire extinguishing gun motion servo secondary system which are in communication connection with the controlling center, the unmanned aerial vehicle detecting secondary system is used for flying to the position where spotting is convenient in the periphery of the fire according to a received instruction sent by the controlling center or a re mote controller to collect data of the fire, the data processing secondary system is used for processing data collected by the unmanned aerial vehicle detecting secondary system, and the fire extinguishing gun motion servo secondary system is used for adjusting the attitude of the fire extinguishing gun and controlling the starting on and off of the fire extinguishing gun according to the collected data of the unmanned aerial vehicle detecting secondary system. Thesystem has the advantages that altitude operation is automated, artificial participation is not needed or greatly reduced, rapid responding capability is achieved, the efficiency of the personnel isimproved, the operation environmental adaptability is high, and the responding is rapid.

The invention relates to a complete set of equipment and a process for dual-effect physical and chemical treatment of domestic sewage. The treatment equipment and process mainly include: a domestic sewage source, a primary filtration regulation tank, a physical electric flocculation module group, a solid-liquid separator module group, a secondary filter, a high-efficiency strong oxidation module group, a purification storage tank, a tertiary filtration tank, a four-stage MBR membrane treatment device and a purification reuse water interface. The domestic sewage treatment complete equipment andprocess of the invention mainly adopt a multi-stage treatment process, wherein the working principle of the physical electric flocculation module group and the high-efficiency strong oxidation modulegroup is a double-effect physical-chemical pure physical method, and the process has high removal efficiency, low cost, no additive and no secondary chemical pollution. The invention aims at achieving the standard discharge and reuse of reclaimed water through the domestic sewage treated by the complete set of equipment and processes.

The invention discloses high-frequency anti-interference manganese zinc ferrite and a preparation method thereof. The high-frequency anti-interference manganese zinc ferrite comprises a main materialand an auxiliary material, wherein the auxiliary material comprises CaO, nano-grade BaTiO3, Bi2O3, Nb2O5, HfO2 and Co2O3. The preparation method comprises steps of material mixing, pre-sintering, auxiliary material mixing, molding and sintering, wherein material mixing is implemented in a mode of pulping raw materials, performing ball milling, grinding and mixing, and implementing a spray drying mode so as to obtain a powder material. By adopting the mode, the doping and mixing uniformity of raw materials and auxiliary materials can be improved, the Curie temperature of an original 12K material can be increased to 125 DEG C from 115 DEG C, the adaptability of a product to a working environment can be effectively improved, a good impedance characteristic can be achieved, EMC (Electro Magnetic Compatibility) safety requirements can be met, and the use demand of interference prevention at a high-frequency working section of 10-40MHz can be met.

The invention discloses a laser stepless scale-loaded permanently horizontal compass for SfM three-dimensional modeling and relates to the technical field of three-dimensional model correction. The laser stepless scale-loaded permanently horizontal compass comprises a telescopic rod and a permanently horizontal compass. The distance between the front end of the telescopic rod and a laser light source is measured by using laser light at the rear end of the telescopic rod; a base of the permanently horizontal compass is a container made of a lightweight pressure-resistant free-deformable material and contains liquid; the compass vertical to a sharp-bottomed upright rod is kept horizontal permanently by using the density greater than that of liquid and the sharp-bottomed upright rod; and theincluded angle between the compass and the telescopic rod is an azimuth angle of the telescopic rod. Compared with an RTK-GPS (real-time kinematic carrier-phase differential technology) coordinate correction method, the permanently horizontal compass disclosed by the invention has the advantages of being light in weight, pressure-resistant and free of a satellite signal, and the stepless scale indesign range is arranged; an SfM three-dimensional model correction method system which is lighter and high in operating environment adaptability and can be dropped is achieved; and the permanently horizontal compass is more suitable for field operations in different environments and can be applied to multiple fields, such as construction, hydraulic engineering, civil engineering, geology, geography and military.

The invention discloses a chain-driven belt conveyor. The chain-driven belt conveyor comprises a driving roller and a driven roller which are mounted at the two end parts of a conveyor frame respectively, wherein the driving roller is connected with a driving motor through an input shaft on one side edge and a speed reducer, a driving chain wheel and a driven chain wheel are fixed on at least one side edge of the driving roller and at least one side edge of the driven roller respectively, a rotary curved plate roller chain is connected between the driving chain wheel and the driven chain wheel in a winding manner, and a rotary belt connected with the curved plate roller chain is connected between the driving roller and the driven roller in the winding manner; driving chain wheels and driven chain wheels are fixed on the two side edges of the driving roller and the driven roller respectively, rotary curved plate roller chains are connected between the driving chain wheels and the driven chain wheels on the two side edges in the winding manner respectively, and the two side edges of the rotary belt are connected with the curved plate roller chains which synchronously rotate on the two sides respectively. The chain-driven belt conveyor has the characteristics of simple structure, and high convenience and reliability for use, high working stability, no strong impact, low deviation and sliding-down rate, no phenomena of material leakage and the like, high working environment adaptability and the like.

The invention discloses an integrated height-adjustable pipeline supporting device and an adjusting method. The supporting device comprises an upper hoop, a lower hoop, a fastener and a height-adjustable base; and the upper hoop and the lower hoop surround a pipeline and are fixedly connected through the fastener, and the lower hoop is fixedly connected with an external ship body through the height-adjustable base. According to the integrated height-adjustable pipeline supporting device and the adjusting method, the space occupation is small, the additional stress of the pipeline can be adaptively eliminated, and the supporting deformation state of the pipeline is improved.

The invention provides an environment-friendly vacuum sweeper. The environment-friendly vacuum sweeper comprises a pure electric vehicle body, an air path system, a discharging dust suppression device, a power transmission system and a battery. The air path system comprises a dust suction device, an air pipe, a dust removal device, a conversion door and a fan, the dust suction device is arranged at the bottom of the vehicle body and communicated with the dust removal device through the air pipe, the dust removal device is communicated with the air suction port of the fan through an air duct, and the conversion door is arranged between the air duct and the dust removal device. The conversion door can selectively seal the air outlet of a dry dust flow channel or the air outlet of a wet dustflow channel, so that dust-carrying airflow from the dust collection device selectively passes through a dry dust removal space or a wet dust removal space to remove dust. The dust removal device canbe arranged above the vehicle body in a lifting mode along a turnover shaft, and the discharging dust suppression device can be arranged at the rear end of the dust removal device in an unfolding andfolding mode; and the power transmission system comprises an upper power transmission system and a chassis power transmission system. The operation process is simple in operation, energy-saving, environment-friendly, zero-emission and low in noise.

The invention discloses a hanging type straw bundling machine driven by a single chain. The straw bundling machine comprises a frame assembly, a transmission assembly, a grass feeding assembly, a grass blocking and grass discharging assembly, a rope storage assembly, a baffle assembly and a knotting and installing assembly. A hanging structure is adopted, the machine is hung on a harvester, only one chain is used for driving the grass feeding system and a knotting system to work, and the structure is simple. The bundling machine cooperates with the harvester to work simultaneously, the harvester runs by driving a belt wheel on the bundling machine through a belt, then the belt wheel on the bundling machine drives a first chain wheel on a belt wheel input shaft to move so as to drive the chain to move, the grass feeding assembly and the knotting and installing assembly can be driven to work through meshing of the chain wheel and the chain, single-side transmission is realized through single-chain driving, the structure of the bundling machine is simplified, the weight of the bundling machine is reduced, and the manufacturing, installation and maintenance cost is greatly reduced.

The invention discloses a power amplifier of a physiotherapeutic instrument. The power amplifier comprises a temperature compensated crystal oscillator and a fore pre-amplifying circuit connected with the temperature compensated crystal oscillator, wherein the output end of the fore pre-amplifying circuit is connected with a fore push amplifying circuit; the output end of the fore push amplifying circuit is connected with a final amplifying circuit; the output end of the final amplifying circuit is connected with an output matching circuit; both the fore push amplifying circuit and the final amplifying circuit are provided with a working point setting circuit respectively; a fore push amplifier is arranged in the fore push amplifying circuit; a final power amplifier is arranged in the final amplifying circuit; and both the fore push amplifier and the final power amplifier are high-power MOS (metal oxide semiconductor) field-effect tubes. Transistors are uses as a push stage and an output stage of the power amplifier so as to fill the blank of the power amplifier of the physiotherapeutic instrument in the absence of the high-power transistors. In order to ensure normal work of the transistors, a transistor high-power amplifier matching technique, a standing wave protection technique and an automatic detection technique for a directional coupler are adopted.

The invention relates to the field of petroleum operation cutting machinery, in particular to a novel electric downhole tool cutter. A rotary shell is connected to the lower end of a fixed shell, a fixed motor and a rotary motor are sequentially fixed in the fixed shell from top to bottom, the rotary motor is arranged at the bottom of the fixed shell, an output shaft of the rotary motor penetratesthrough the rotary shell and is arranged above the rotary shell, a transmission gear of the rotary motor is meshed with an input gear of a speed reducer in the rotary shell through an intermediate gear, a transmission screw shaft is arranged on the inner wall of the rotary shell and located below the speed reducer, a large direction changing wheel is fixed on the transmission screw shaft, and a small direction changing wheel on an output shaft of the speed reducer is meshed with the large direction changing wheel; and a cutter is mounted on the transmission screw shaft. The novel electric downhole tool cutter is driven by an electric control system to replace a complex hydraulic mechanical structure in traditional mechanical cutting, the electric control system achieves fine control on technical parameters such as the rotating speed, the cutting speed and resetting of a cutting cutter body, and smooth cutting operation is ensured.

The invention discloses a nut tightener control system, and the system consists of an industrial control computer and four single-chip microcomputer shaft control units. The industrial control computer is a monitoring operation station, and can achieve the setting of technological parameters and the displaying of the technological parameters. The shaft control units take the single-chip microcomputers as the core controller. The control system employs a torque closed loop control and intelligent control algorithm, achieves the high-precision control of torque, and improves the production efficiency and assembly precision.

The invention discloses a wall climbing crawler belt travelling module with the variable camber adaptive ability. The wall climbing crawler belt travelling module with the variable camber adaptive ability comprises a drive wheel, a driven wheel and a pair of swinging support wheel assemblies arranged between the drive wheel and the driven wheel, and a crawler belt is used for connection and transmission; swinging shafts parallel to the axes of the drive wheel and the driven wheel are arranged on the swinging support wheel assemblies, the swinging shafts are connected with permanent magnet adsorption plates, and a pair of travelling support wheels parallel to the swinging shafts are mounted at the two ends of the permanent magnet adsorption plates; and the permanent magnet adsorption platesand the travelling support wheels have rotational freedom around the axis directions of the swinging shafts, and thus the crawler belt is tightly attached to a magnetic conductive wall surface through the permanent magnet adsorption plates and the travelling support wheels. According to the wall climbing crawler belt travelling module with the variable camber adaptive ability, the travelling support wheels have a rotational freedom degree in the axis directions of the swinging shafts, thus magnetic adsorption force is constant, it is guaranteed that a wall climbing robot cannot slide down andfall down due to the magnetic adsorption force become smaller suddenly, meanwhile necessary friction force is provided for travelling of the wall climbing crawler belt travelling module, and the situations that the crawler belt slides and cannot travel are avoided.

The invention discloses a straw baler applicable to a thresher. The baler cooperates with the thresher to operate simultaneously and is installed on the rear portion of the rice thresher, operation iseasy, the working state of all mechanisms is table, a grass inlet double fork is connected with a crankshaft assembly through welding, damage is not likely to occur, and the total service life of thegrass inlet double fork is prolonged; two support rods on a frame of the baler are arranged on the upper portion of the frame and located on the same horizontal plane, deformation is not likely to occur, the position of a messenger needle support can be stable, the messenger position is stable and does not deviate, the baling efficiency is improved, a grass position control panel can flexibly adjusting grass root positions by connecting different mounting holes, and then the knot tying position is adjusted; installation and disassembling are conducted conveniently, a rope storing and feedingmechanism is detachably connected with the frame, the space is saved in the transportation process, and transportation is facilitated. The baler has the advantages of being simple in structure, flexible in transmission, good in work coordination, high in working stability, few in fault and high in adaptability to the working environment.

The invention discloses a device for a pneumatic emergency switch valve. The device comprises a high-pressure-resistant gas cylinder, a pressure reducing valve, a rapid joint group, a pneumatic jackhammer and a pneumatic rapid switch chuck, wherein the pneumatic rapid switch chuck is pneumatically clamped with a hand wheel; one end of the high-pressure-resistant gas cylinder is connected with one end of the pressure reducing valve through a high-pressure-resistant gas tube; the other end of the pressure reducing valve is connected with one end of the rapid joint group through a high-pressure-resistant gas tube; the other end of the rapid joint group is connected with one end of the pneumatic jackhammer through a high-pressure-resistant gas tube; and the other end of the pneumatic jackhammer is connected with a pneumatic gun joint of the pneumatic rapid switch chuck. Compared with the prior art, the device has the advantages that the device can be operated by a single person, has low requirements on matched equipment, is easy to operate, and has high working environment adaptability; and meanwhile, the valve switch-on / off efficiency is high, high safety can be realized, and the device is convenient to carry.