219results about How to "Suitable for field work" patented technology

The invention relates to a river deposit columnar sampling device. The river deposit columnar sampling device consists of a force-applying handle, a connecting rod, a top cover, a gland, a hinge, a sampling outer pipe, a sampling inner pipe, a sampling cutter, screws and a sealing device, wherein an elliptic connecting hole on the force-applying handle is sleeved at an elliptic solid end at one end of the connecting rod and is fixed by the screws; the other end of the connecting rod is connected with the top cover through a threaded connection hole; the top cover is fixedly connected with the sampling outer pipe; the sampling inner pipe is arranged inside the sampling outer pipe; the sampling cutter is connected with an internal thread arranged on the inner wall of the sampling outer pipe through an external thread arranged on the sampling cutter; the sealing device is arranged between the gland and a water outlet in the top cover; and the gland is arranged on the top cover through the hinge. The river deposit columnar sampling device has a simple structure, is easy to operate, is convenient to carry, realizes batch sampling by directly replacing the sampling inner pipe, has high sampling efficiency, is suitable for field operation, and has relatively high practical value and wide application prospects in the technical field of ecological environment protection.

A laser scanner for detecting spatial surroundings comprises a stator (21), a rotor (1), mounted on the stator (21) to be rotatable about a first rotational axis, and a rotary body (2), mounted on the rotor (1) to be rotatable about a second rotational axis. A laser source (6) and a detector (7) are arranged in the rotor (1). One optical link (9) each is configured on the second rotational axis on every side of the rotary body (2) between the rotor (1) and the rotary body (2) so that emission light can be introduced by the laser source into the rotary body (2) via the first optical link (8) and reception light can be discharge from the rotary body (2) via the second optical link (9). A first rotary drive (25) drives the rotor (21) and a second rotary drive (26) drives the rotary body (2). Two goniometers (4) and evaluation electronics (5) which are connected to the laser source (6) and the detector (7) allow association of a detected distance with a corresponding direction. The rotary body (2) can have a very compact design, is completely passive and therefore does not require any power supply or transmission of signals.

The invention discloses wire additive and reductive combination machining equipment. The wire additive and reductive combination machining equipment comprises an on-line metal arc welding wire additive manufacture device and a numerical control multi-axis linkage machining device, wherein the on-line metal arc welding wire additive manufacture device comprises a welding robot and a welder system; the welder system is arranged on the welding robot; the multi-axis linkage machining system comprises a three-dimensional measurement device and a multi-axis linkage precise machining system; the three-dimensional measurement device is used for measuring the outline information of a part and transmits the information to a computer; the computer is used for obtaining the real outline of the part through the received outline information, then compares the real outline with a theoretical three-dimensional model to obtain an error; and the multi-axis linkage precise machining system is used for performing wire reductive machining on the part, so that the error between the real outline and the theoretical three-dimensional model is controlled in a preset range. By adopting the wire additive and reductive combination machining equipment, the problem of a current precise machining method that a part with a complex shape can hardly be machined automatically is solved; and the advantages of arc welding wire additive manufacture of high efficiency, low energy consumption and high environment adaptability can be fully exerted.

The invention discloses method and system for determining the free precipitation speed of floccules / mud particles. The method comprises the following steps: continuously shooting the precipitating floccules / mud particles by a CCD camera installed with a microlens; and according to the precipitation distance and shooting time of the floccules / mud particles shown in pictures, calculating the free precipitation speed of the floccules / mud particles. The invention can shoot continuous pictures at different time points in the free precipitation process of the floccules / mud particles in a drinking water or waste water treatment system and a water environment to determine the precipitation speed of the floccules / mud particles, so as to research the physical hydraulic characteristics of the floccules / mud particles and provide a basis for environment pollution control.

This invention discloses a laser radar transmission total-focal length optical transceiver system. It is characterized by the optical emission module comprised by the concave mirror, and optical emission / receive lens, also by optical receive module comprised by optical emission / receive lens and mirrors with hole in the center. The central holed mirror is set up 45 degrees in the center of the tube. Receive and emitted mirrors are installed in front of the central holed mirror. The receive beam is redirected reflected of 90-degree beam to the detection systems.

The invention discloses a portable high-precision three-dimensional anemoscope, which consists of a compass positioning device, a three-path micro-electromechanical system (MEMS) gas flow chip, a constant flow source circuit, a multi-channel analog / digital (A / D) acquisition circuit, a temperature and humidity measuring module, a singlechip, a liquid crystal display module and a standard communication module, wherein the compass positioning device is arranged on the surface of the anemoscope and is used for indicating a direction in which an instrument is positioned; the three-path MEMS gas flow chip has a three-dimensional vertical structure and is fixed on the surface of the anemoscope; the constant flow source circuit is connected with the three-path MEMS gas flow chip and is used for providing accurate and stable current for the chip; output of the three-path MEMS gas flow chip is transmitted to the multi-channel A / D acquisition circuit; output of the multi-channel A / D acquisition circuit is transmitted to the singlechip; output of the temperature and humidity measuring module is transmitted to the singlechip; and output of the singlechip is connected to the liquid crystal display module and the standard communication module. The anemoscope has small volume and light weight, wide-range high-precision wind speed measurement is realized, and the manufacturing cost is greatly saved.

The invention relates to a soil CO2, CH4 and N2O flux cooperative measuring device which mainly comprises a sampling system (19), a control system (20) and an analyzing system (21), and is characterized in that a plurality of gas chambers (1) are arranged in the sampling system (19), a main control board (15), a gas inlet electromagnetic valve (3) and a gas outlet electromagnetic valve (5) are arranged in the control system (20), and each gas chamber (1) is respectively connected with the gas inlet electromagnetic valve (3) and the gas outlet electromagnetic valve (5). The soil CO2, CH4 and N2O flux cooperative measuring device has the beneficial effects that data of soil CO2, CH4 and N2O fluxes can be simultaneously measured, and can be automatically observed and acquired in a measuring process, and thus the field work strength can be lightened.

The invention discloses a multifunctional portable earth station controller for an unmanned plane. The multifunctional portable earth station controller comprises a case body and an upper cover covered on the opening of the case body. An industrial control computer is installed in the case body, two display screens arranged side by side are arranged on the inner surface of the upper cover, and the industrial control computer is connected with the two display screens through a transmission cable. A panel is arranged in the case body, and a main keyboard capable of inputting a control instruction to the industrial control computer is arranged on the panel. A recessed chamber for containing a lithium battery is formed in the central section of the case body, a remote sensing rod installing bench is arranged on one side of the recessed chamber in the central section of the case body, and a remote sensing rod for controlling the unmanned plane and a remote sensing rod for video shooting are arranged on the remote sensing rod. A shackle capable of fixing the upper cover on the case body is arranged on the edges of the case body and the upper cover. In such a structure, an unmanned plane controlling earth station portion and an unmanned plane video acquisition and play portion are integrated. The multifunctional portable earth station controller is compact in overall structure and high in integration level. A battery can supply power for eight hours, and the multifunctional portable earth station controller is more suitable for field work.

The invention discloses an ocean oil spill detection laser radar system, which uses good transmission characteristics of laser wavebands in seawater to detect underwater submerged oil and perform high-precision detection on targets such as green tide, sea ice, seabed and the like. According to the system, 532 nm and 1064 nm dual-wavelength high-repetition-frequency laser emission is used for carrying out optical active detection on underwater and overwater targets; two-dimensional scanning of laser radar targets is realized by utilizing an optical scanning system, thereby acquiring three-dimensional positions of the targets; in a laser transceiving coaxial design form, the implementation difficulty of the optical scanning system is lowered; a large-caliber, large-view-field and multi-channel optical receiving system is adopted for enhancing the detection capability of underwater relatively weak targets; a signal processing system with a high sampling frequency is adopted for realizingthe target distance detection of the sub-meter precision; a polarization detection channel is adopted for measuring a target surface depolarization coefficient, so that target distinguishing is facilitated; and a laser radar is provided with an airborne mounting device and a shipborne mounting device, so that the use requirements of different carrying platforms can be met.

The present invention discloses a device for adding medicament and a method of adding medicament, and the device comprises: an intake pump, a mixing tank, a solution tank and a sludge pump; the inlet tube of the intake pump is inserted in water and the outlet tube of the intake pump connects the bottom of ball valve and the bottom of mixing tank; the outlet of mixing tank is connected with the inlet of solution tank, the outlet of the solution tank is connected with the inlet of the sludge pump, the outlet of the sludge pump is connected with a flowmeter. The method of adding medicament comprises the following steps: (1) medicament feeding; (2) water filling; (3) mixing; (4) spraying. The present invention has the following advantages: the device for adding medicament and the method of adding medicament that are applicable to spraying medicament into lake or river. Device for adding medicament is put on a rack that is easily movable, medicament preparation, mixing, dissolving or dilution, metering and spraying can be finished in a whole closed rack, thus forming a multi-functional medicament spraying machine; the device is small in volume, is convenient to operate, and is applicable to field work.

The invention relates to a method for investigating lake benthophyte. The method comprises the steps of collecting and generating an image of the measuring area of a lake by using a double-frequency identification sonar, calculating the coverage degree of the benthophyte in the measuring area according to the image, conducting quadrat measurement for the measuring area to obtain the types of the benthophyte, the proportion of different types of benthophyte and the fresh weight density in the quadrat, obtaining the biomass of the benthophyte of a certain type in the measuring area by the totalarea of the measuring area * the coverage degree of the benthophyte in the measuring area * the fresh weight density in the quadrat * the proportion of the benthophyte of the type in the quadrat basedon the coverage degree of the benthophyte in the measuring area and the types of the benthophyte, the proportion of different types of benthophyte and the fresh weight density in the quadrat, and then obtaining the biomass of different types of benthophyte in the measuring area. The lake ecological investigation efficiency and the result accuracy can be improved. The method can be widely appliedto the investigation, treatment, and repair of the lake ecological environment.

The invention discloses a pineapple automatic grading and sorting method and device based on binocular vision and multispectral detection technology. The method includes the following steps: firstly adopting the binocular vision system to detect the size and color maturity of pineapples, and grading the outer quality of pineapple; then adopting the multispectral detection to detect whether the inside of the pineapples is damaged or not, and detecting and judging the inner quality of pineapples according to the spectral curve characters of inner water content and carbohydrate content of normalpineapples and bad pineapples, and then grading the inner quality of pineapples; finally performing automatic grading and sorting of pineapples according to the above detection results. According to the method provided by the invention, pineapples can be accurately, efficiently and automatically graded and sorted, the algorithm is high in speed and few in operand, the device can be applied to mainengine equipment with poor configuration, is low in cost, and very suitable for field operation; the device is simple in structure, smaller in component size and convenient to operate.

The related automatic finding-satellite method comprises: 1. pre-setting parameters on receive satellite and receive area longitude and latitude, or the horizontal and vertical angular parameters; 2. aligning the device direction indication mark toward south or other special direction, and putting the device horizontally; 3. adjusting satellite antenna to the polarized angle as table data, fixing the antenna; 4. turning on to rotate antenna to pre-set position; and 5. detecting satellite signal, if there is signal, fine adjusting antenna to the position with strongest signal; or else, searching more area till receiving signal. This invention can precise position satellite with simple structure and cost, and has wide application.

The invention provides an in-situ stratified sampling pipe for surface sediments and a method. The in-situ stratified sampling pipe comprises a water taking pipe, a mud taking pipe, a bottom cover, a cutting head and a plurality of stratification cutting slices, wherein the bottom of the water taking pipe is connected with the mud taking pipe, and the mud taking pipe comprises a plurality of mud taking pipe components; the cross section of the inner wall of each mud taking pipe component is in a square shape, and the bottoms of three sides of the square are provided with inward arc grooves; a sealing slot is formed in the fourth side, and the bottom cover and the cutting head are detachably connected with a base at the bottom of the mud taking pipe. The in-situ stratification of sediment samples collected by the sampling pipe and the method provided by the invention can be realized. The sampling pipe and the method provided by the invention have the advantages that the structure is simple, the operation is easy, and the carrying is convenient, the sediments can be directly stratified, the sequence fidelity of the sediment samples is realized, the sampling efficiency is high, and the sampling pipe is suitable for field operation. The sampling pipe has very good practical value and broad application prospect in the technical field of ecological environmental protection.

The invention discloses a column nail roller surface repairing method of a novel high-pressure roller mill, and belongs to the technical field of repairing of ore and rock crushing equipment. Firstly, a roller surface to be repaired, having a pit on the surface, of the high-pressure roller mill is selected; the pit is cleaned; then, a connecting layer with a thickness of 3 mm is overlay welded at the bottom of the pit; hard alloy column nails coated with stainless steel covers are prepared; connecting welding layers between all the stainless steel covers are covered by wear resistant welding layers; a series of procedure design guarantees firmer combination between the hard alloy column nails and the roller surface; and the method has the advantages of long service life of a roller sleeve, more wear resistance of roller sleeves, convenience for operation, cost saving, simple operation, reasonable design and easy repairing.

A method for carrying out atmosphere scattering communication of infrared laser can realize nonvisual light communication through amplification shaping and electric signal processing after infrared laser emitted by light emitter and infrared laser system then modulated by signal is atmosphere-scattered and after scattered infrared laser is received by infrared waveband light detector with large receiving angle on light receiver. The device for realizing said method is also disclosed.

The invention discloses a portable drawing board, which comprises a drawing board body, wherein one surface of the drawing board body is provided with a drawing board mechanism; the drawing board mechanism consists of a left groove, a right groove, an upper groove and a lower groove positioned on the surface of the drawing board; four corners on the other surface of the drawing board body are independently provided with a foldable telescopic supporting mechanism. The portable drawing board has the beneficial effects of simple structure and high practicality.

This invention provides a rail circuit one parameter measurement method, which is the following: to adopt twice short circuit method and to locate short circuit at the L and 2L distance to the measurement ends both sides and to measure three voltage value U#-[AB], U#-[CD], U#-[EF] and U#-[AB]', U#-[CD]', U#-[EF]'from the measurement ends; to calculate the input resistance Z#-[in1], Z#-[in2] and calculate the steel rail resistance of each unit Z#-[0] and the leakage admittance Y#-[0] of each unit length; then to calculate the rail circuit once parameter according to Z#-[0]=R#-[0]+jOmegaL#-[0]Y#-[0]=G#-[0]+jOmegaC#-[0].

The invention relates to a bulletproof backpack capable of being rapidly worn, which is provided with a bulletproof protection layer and a Beidou satellite positioning module, belonging to the field of safety protection. Aiming at the defects existing in the backpacks in daily use, the invention provides the bulletproof backpack which can be rapidly worn in emergency in various indoor and outdoor environments, so that the safety protection is formed on the critical parts of the body, meanwhile, satellite positioning information is rapidly provided in emergency situations, distress signals are sent out, moreover, the mobile electronic devices such as a mobile phone can be charged, a lighting indication function can be provided, and in addition, the hand-shaking charging and the solar self-charging can be realized.

The invention belongs to the technical field of water purification, in particular discloses a pen-shaped water purifier which comprises a pen-shaped shell with a hollow cavity. Both ends of the shell are respectively provided with a water inlet and a water outlet which is provided with a sucker which is convenient for a person to suck water with the mouth, filter films / filter cotton are respectively arranged in the cavity of the shell, which corresponds to the water inlet and the water outlet, and an activated carbon layer and a far-infrared functional ceramic ball layer formed by a far-infrared functional ceramic ball copying far-infrared and wave energy are filled between the two filter films / filter cotton. The pen-shaped water purifier is filtered and sterilized at a plurality of stages, can effectively filter substances in water harmful to human bodies, such as odor, turbid matter, colon bacillus, iodine and chlorine and can fully purify the water quality. In addition, the invention has simple structure, is convenient to carry and suitable for field operation and outgoing tourism and enables tap water, and water in deep wells, rivers and lakes to be directly drunk, thereby being convenient and practical.

The invention relates to a water sampler and a water sampling method used for sampling inland water. The water sampling method includes placing the water sampler into an appointed water sampling point, reading depth information via scales on a wire drawing sheath, pulling a metal drawing wire to open a sealing cover in the preset water sampling depth and starting sampling water; loosening the metal drawing wire, repressing the sealing cover onto a water sampling container under elasticity action of the spring; uplifting the wire drawing sheath to recover the water sampler, taking out of the water sampling container and completing the integral water sampling process. Accordingly, the water sampler has the advantages that the water sampling container can be directly replaced after water sampling each time, cross contamination of water samples during many water sampling processes is avoided, time opening the sealing cover and water inlet duration time can be controlled; depth of the water sampling container can be indicated, and layering water sampling is accurately controlled; the water sampler is simple in structure, low in cost, light, convenient to carry and applicable to field operation.

The invention discloses a pipeline detection and on-line identification system which comprises a pressure detection device, a wireless detection and location device, a high-frequency wireless transmission device, a management system and a mobile terminal; the pressure detection device detects pressure information in a pipeline; the wireless detection and location device is arranged on the pressure detection device, and is used for determining a position of the pressure detection device and judging a leakage position of the pipeline; the high-frequency wireless transmission device transmits pressure data detected by the pressure detection device and position information of the wireless detection and location device to the management system; and the management system judges whether leakage exists according to the received pressure information detected by the pressure detection device, if the leakage exists, information is transmitted to the mobile terminal, and the mobile terminal transmits the information to the management system through the high-frequency wireless transmission device. The pipeline detection and on-line identification system is high in patrol efficiency.

The invention discloses a hand-lift portable aerial operation platform, which comprises a base, idler wheels, an operation platform, a support rack group and an elevating mechanism, wherein idler wheels are respectively arranged at four corners of the bottom of the base; the support rack group is composed of a bottom support rack, a middle support rack and a top support rack, which are vertically arranged in parallel and are arranged from outside to inside; the operation platform is fixedly arranged at the top of the support rack group; the elevating mechanism is composed of a jacking mechanism and a middle elevating mechanism; and the base is composed of two base sleeve pipe shafts, four lock sleeves, two base beams and four idler wheel brackets. According to the hand-lift portable aerial operation platform, the support rack group can be rapidly and synchronously elevated only by hand cranking without other power; the hand-lift portable aerial operation platform can be rapidly disassembled and assembled on the scene, and can be rapidly evacuated in emergency circumstances; and the hand-lift portable aerial operation platform has the advantages of being convenient to carry, light in weight, flexible and convenient, is a novel railway and common pavement operation platform, and is especially suitable for field operation in electric circuits of railways.

The invention relates to a method and a device for detecting a high-voltage cable fault point. The device comprises a low-voltage adjustable DC power connected with one end of the cable, a polarity convertor, a DC ammeter and a high internal resistance voltmeter, wherein, another high internal resistance voltmeter is connected with the other end of the cable. In the detecting process, the voltage value at two ends of the high internal resistance voltmeter is recorded by adjusting the DC current and the match of the polarity convertor with the DC ammeter, and the position of the cable fault point is calculated by related formula. The method adopts the low-voltage DC power supply detection and solves the problems of the prior cable that the high-resistor fault detection needs to adopt the high-voltage detection and various harms are caused. In addition, the device is convenient to carry and has low cost, stability and high accuracy.

The invention discloses a flooding-type varnished wire cable for a high-power handheld transformer winding. Two ends of a minuteness varnished wire harness cable are respectively stretched into two copper pipe center holes to achieve connection, and the sections of joints of two copper pipes and the minuteness varnished wire harness cable are in a semicircular shape in mould-pressing mode; a polytetrafluoroethylene sleeve is sleeved outside the two copper pipes and the minuteness varnished wire harness cable, and a cooling water channel used for passing of ion cooling water is formed between the minuteness varnished wire harness cable and the polytetrafluoroethylene sleeve; the wall of the first copper pipe of a section of gap between the left end of the minuteness varnished wire harness cable and the right end of a water inlet joint inside the first copper pipe center hole is provided with a water inlet; and the wall of the second copper pipe of a section of gap between the right end of the minuteness varnished wire harness cable and the left end of the water inlet joint inside the second copper pipe center hole is provided with a water outlet. The minuteness varnished wire harness cable is soaked in deion cooling water, and a large amount of work heat can be taken away.

The invention provides a field fertilizing pesticide spraying work belt driving snake-shaped robot, and relates to an agricultural pesticide spraying system which has the adjustable angle of a nozzle, an adjustable spraying amount, is controlled by a plant approximation detector and achieves multiple functions efficiently automatically with one control. The agricultural pesticide spraying system is composed of a belt type motor tractor, the plant approximation detector, a control unit, an energy supply unit, a second section wheel type carriage, medicine solution (liquid fertilizer) delivering units, the nozzle and other parts; all sections of carriages are connected through traction pins, and a liquid absorption pump and multiple sections of the medicine solution (liquid fertilizer) delivering units deliver medicine solutions through soft tubes. The pesticide spraying system has the advantages that driving through the belt is suitable for furrow climbing work; the plant approximation detector controls a switch of the nozzle through a detection signal, which makes spraying more reasonable and more efficient, and reduces pollution; an outer cavity of a 2 / 3 symmetric spherical cavity is matched by in tangent with a spherical inner cavity sphere, and the adjustable angle of the is big; one controller controls multiple snake-shaped robots, the automatic work degree is improved, and resources are saved.

The invention relates to a method for layering, stage multi-level blasting, hole expanding and crack expanding of an oil-gas-bearing rock. A drilling machine drills a vertical hole to the oil-gas-bearing rock, multilayer horizontal build-up is conducted in the oil-gas-bearing rock, and a casing pipe is contacted and fixed with an outer shale body and extends into a curve section; a light pipe is contacted and fixed with the outer shale body in a horizontal section, a packer is used for sealing the staggered position of the light pipe and the casing pipe, the light pipe with the preset length is arranged inside the horizontal section, and except the light pipe section, the residual horizontal section is an uncased hole; and a hydraulic expansion device is used for sending explosives to different positions of the horizontal uncased hole section, the explosive quantities increase gradually at the same position, stage blasting hole expanding and high-pressure gas explosion cracking at the position of the uncased hole are completed, and backwashing is conducted for different-stage blasting broken rocks to clear the uncased hole. Step-by-step blasting is conducted in a direction from the remote end of the uncased hole to the light pipe during blasting cracking, different levels of explosive quantities are adopted, the quantity at the remote end of the uncased hole is the most and the quantities are reduced gradually towards the curve section, so that the light pipe is protected, the backwashing of blasting broken rocks is facilitated, and big hole collapse and cracking are achieved.

The longitudinal a transverse moving apparatus for switch and rail row includes elevating system, walking system and hydraulic driving control system. There may be several pieces of longitudinal a transverse moving apparatus to cooperate, the elevating system is used to hoist switch and rail row together with sleepers to certain height and set them on the walking system for moving to required site. The present invention is automatic, safe, and high in work efficiency. In addition, the apparatus is detachable and suitable for field use.

The invention provides an electrostatic spraying device and a method thereof, and belongs to the field of agriculture assembly. According to the method, water and original liquid pesticide are stored in a separated mode, the flow of the liquid pesticide is changed through a frequency conversion motor so as to achieve needed concentration of the liquid pesticide, meanwhile, before mixing, the water is charged so as to mix the water and the original liquid pesticide more evenly to achieve electrostatic spraying at the same time, and the evenness of sprayed drips is improved. The method is convenient and reliable to implement, and the electrostatic spraying device is easy to overhaul, suitable for fieldwork and capable of improving the prevention and treatment effect.

The invention discloses a rebar straightening and cutting device used for construction of an outdoor electric transmission line iron tower. The rebar straightening and cutting device comprises a back board. A guiding block and a fixing table are arranged on the side wall of the back board. The guiding block is provided with a first movable rod. The first movable rod is inserted into the guiding block and can move in the axial direction of the guiding block. A connecting plate is arranged at the bottom end of the first movable rod. A pressing rod is arranged on the connecting plate. A pressing plate is arranged on the pressing rod and can rotate around the pressing rod. The fixing table is located right below the connecting plate. A spring is arranged between the connecting plate and the fixing table. One end of the spring is connected with the connecting plate, and the other end of the spring is connected with the fixing table. A second movable rod is further arranged on the fixing table. One end of the connecting rod is connected with the connecting plate, and the other end of the connecting rod is provided with a tool bit. The rebar straightening and cutting device is simple in structure, convenient to operate and carry and capable of straightening bent rebars and cutting the rebars off when the rebars are straightened, and thus the working efficiency is improved.