62results about How to "Increase working depth" patented technology

Briefly stated, the operating depth of field for a bar code scanner, preferably a laser scanner, is increased by placing a cubic phase mask (CPM) in the scanning beam. The masked beam is then scanned and reflected off a bar code and received by a photodetector. The received signal is then processed to recover the original unperturbed representation of the bar code pattern. The processed signal has an increased depth of field over an unmasked scanner signal.

The invention discloses a splicing trussed type pile leg device which comprises trussed type pile legs connected with pile shoes. Each trussed type pile leg comprises three chord members, wherein the vertical section of each chord member is distributed in an equilateral triangle shape. The outer circumferential face of each chord member is symmetrically connected with eleven racks in the axial direction, and the three vertical faces, in the length direction, of the chord members are respectively provided with at least two horizontal supporting rods which are isolated in an up-and-down mode and connected with the chord members. The splicing trussed type pile leg device comprises at least two layers, connecting positioning joints used for the chord members are arranged between the trussed type pile legs, and each connecting positioning joint is composed of a positioning column, a clamping sleeve, an elastic cushion block and a bolt pair. According to the splicing trussed type pile leg device, through reasonable subsection, ingenious design and the scientific splicing structure, an integrated self-elevating trussed type pile leg is changed to be in a splicing structure form with multiple layers, and the splicing trussed type pile leg device is simple in structure, convenient to assemble and disassemble, safe, reliable and wide in application range.

The invention provides a new type intelligent deepwater responder which consists of: treatment of underwater sound unit 1, electrical source managing unit 2, outer interface 5, sound transducer 3, and arming mechanism 4. The treatment of underwater sound unit 1 includes: the sound part of the treatment of underwater sound processing 6 mounted on the bottom board 9, power amplifier part 7, and capacity part 8; the electrical source managing unit 2 includes: power panel 10 and battery 11, the power panel 10 connected with the battery 11 is connected with the power consumption units via the bottom board 9. The functions and characters of the invention are self-correction, self-check, self-emancipation, low-power consumption, withstanding high voltage, high reliability, easy-to-operate; it can be used to response the request signal of nautical transceiver, and receive, execute and answer some definite nautical remotely controlled commands and realize the locate and navigating function of the long-base-line system.

The invention provides an intelligent plugging device for repairing a seabed pipeline. The device comprises a pipe cleaner, a sealing locking mechanism, a connecting mechanism and a supporting movingmechanism, wherein the pipe cleaner is used for cleaning the pipe wall and impurities flowing in a pipe and supporting to push a plugging robot to move in and out of a pipeline; the supporting movingdevice is used for keeping uniform stressing and stable moving; the connecting mechanism is used for connecting through a ball hinge; the plugging device is adapted to corners with different curvaturein the pipeline based on the rotating property of a double-ball rod; the sealing locking mechanism is used for fixing , locking and sealing the position of the plugging device; the locking device cannot be designed into an integrally connected whole due to impurities, attaching matters, welding parts and various concave pits and bumps in the pipeline; a locking sliding block is composed of eightlocking claws which are uniformly distributed in the circumference. The device can accurately move to a broken part of the pipeline and remains extremely high sealing performance and can be used for performing cleaning, plugging, connecting and other projects on a broken oil conveying pipeline in the seabed.

The invention discloses a riser support device under ultra-deep sea water. The device comprises a riser support buoy, a tension mooring device and an umbilical cable, wherein a wellhead A is formed on the upper part of the riser support buoy; a channel which passes through the riser support buoy is formed on the lower part of the wellhead A; and the riser support buoy has a starfish structure, namely the edge of a central post structure buoy is connected with three rectangular section cantilever buoys which form included angles of 120 degrees on the plane. The tail end of each cantilever buoyhas a truss structure with neutral buoyancy, so that the buoyancy requirement of the riser support buoy can be met by reducing or increasing the length of the truss structure on each cantilever buoy,the construction process difficulty of each cantilever buoy can be greatly reduced, and construction cost is reduced. The riser support buoy provides tension for a top tension riser (TTR), so that a dynamic load supported by a water surface floating production device is reduced, and the requirement on the water surface floating production device is reduced; therefore, the construction cost of thewater surface floating production device is reduced.

Embodiments of submersible composite cables include a non-composite electrically conductive core cable, a multiplicity of composite cables, including a multiplicity of composite wires, around the core cable, and an insulative sheath surrounding the composite cables. Other embodiments include an electrically conductive core cable; a multiplicity of elements selected from fluid transport, electrical power transmission, electrical signal transmission, light transmission, weight elements, buoyancy elements, filler elements, or armor elements, arranged around the core cable in at least one cylindrical layer defined about a center longitudinal axis of the core cable when viewed in a radial cross section; a multiplicity of composite wires surrounding the elements in at least one cylindrical layer about the center longitudinal axis; and an insulative sheath surrounding the composite wires. The composite wires may be metal matrix or polymer composite wires. Methods of making and using submersible composite cables are also disclosed.

The invention relates to improvement of an aeration rotary brush for water treatment. The aeration rotary brush is characterized in that the section of the blade of the rotary brush is in a triangle or a triangle-like shape; the aeration rotary brush is installed on a hub shaft so that triangle sharp cone enters water firstly when the aeration rotary brush turns into water. When the rotary brush rapidly turns into water, the tip end of the blade rushes into water, thereby greatly reducing resistance when the blade enters into water and operates in water, further reducing operation energy consumption and improving oxygenation dynamic efficiency; and since the resistance generated when the blade enters in water and operates in water is small, the problem that the blade is easy to deform and break after long-term operation under large resistance when entering water is overcome, the long service life of the blade is ensured, oxygenation capability and plug flow velocity can be improved through improving rotation speed, the maximum work water depth of a one-meter aeration rotary brush is as high as 5 meters; and by pits and / or lugs on side surfaces of the blade, plug flow dynamics and oxygenation efficiency both can be improved. Compared with a traditional rotary brush blade with the same specification, the aeration rotary brush provided by the invention has the advantages that the oxygenation capability is improved by 35%, the length per meter reaches 11.1 kgO2 / h, the overall dynamic efficiency is improved by 25% under the same electricity consumption, and dynamic efficiency can reach 3.125 kgO2 / kw.h.

A strand-like material laying device for an appliance for laying any kind of strand-like material into the ground is disclosed. The strand-like material laying device is designed to lay a more rigid strand-like material such as steel pipes into the ground, and assures that the strand-like material to be laid can smoothly be fed into a trench formed in the ground without risking that a bending radius thereof falls below a minimum allowable bending radius which depends on the type of the strand-like material to be laid. The strand-like material laying device can also be immersed into the ground to form a subterranean trench while being moved in a longitudinal direction.

The invention relates to a subsea pipeline in-situ overhaul bin. A pressing resistant shell is formed by fixedly connecting a dry-wet bin and a manned bin. An opening-closing door used for communicating with the dry-wet bin and the manned bin is arranged between one side of the dry-wet bin and the manned bin. An automatic opening-closing bin opening cover is further arranged on the other side of the dry-wet bin. A cable grabbing manipulator and a workbench are located in the automatic opening-closing bin opening cover. An electric control system used for providing electric power and a life support system are arranged in the manned bin. A replacement water tank, a replacement water pump, overhaul equipment, an underwater hydraulic pump, a valve box, a workbench and a cable grabbing manipulator are arranged in the dry-wet bin. The subsea pipeline in-situ overhaul bin adopts single-shell structure design, thus the space utilization rate of the subsea pipeline in-situ overhaul bin is high, the whole bin size is reduced under the same compression strength requirements, the carrying capacity is high, and the working depth is large. Balance of the underwater posture in the dry-wet bin is achieved through a water replacement principle, and the advantages of high bottom resting stability and wide usage performance are achieved. Through the arrangement of a pipeline seal structure, partial sealing of a submarine cable is achieved, and the submarine cable can enter the subsea pipeline in-situ overhaul bin and can be taken out of the subsea pipeline in-situ overhaul bin after an overhaul conveniently.

The invention provides a deepwater flexural disk transducer and belongs to the technical field of an underwater acoustic transmitting transducer. The transducer comprises structure elements such as ashell body, a piezoelectric ceramic disk, a radiation head, an acoustic reflection baffle plate and an inner shell. The flexural disk transducer provided by the invention is the underwater acoustic transmitting transducer designed through utilization of a principle of balancing inner and outer pressure based on an overflow type structure. When the transducer works, through joint flexural vibrationof the piezoelectric ceramic and a metal plate, due to the effect of the acoustic reflection baffle plate, inner cavity media and media at the outer side of the metal plate carry out in-phase vibration and energy is radiated to water. The underwater acoustic transducer is characterized by that the transducer can work in deepwater, is high in low frequency sending voltage response, light in weightand simple in preparation and can be applied to the field such as dipping sonar and underwater acoustic confrontation.

The invention discloses a bottom sitting type cylindrical deep off-lying sea pasture movable management platform, and relates to the technical field of marine platforms. The bottom sitting type cylindrical deep off-lying sea pasture movable management platform comprises a deck and an anchoring and mooring assembly, wherein an upper part platform is arranged on the deck, a cabin body for adjustingand controlling the spacing between the deck and a water surface is connected to the lower part of the deck through vertical columns which are uniformly distributed, and supporting rods are connectedbetween the vertical columns in a stagger manner; the anchoring and mooring assembly comprises anchor ropes arranged on the periphery of the deck, wherein each anchor rope is connected with a corresponding first anchoring and mooring member arranged on a seabed; scouring prevention plates are arranged on the outer side of the cabin body; the bottom ends of the scouring prevention plates are levelwith the bottom surface of the cabin body, and an inclined angle is formed in the scouring prevention plates and the side surface of the cabin body; and skidproof assemblies are uniformly distributedon the bottom surface of the cabin body. According to the bottom sitting type cylindrical deep off-lying sea pasture movable management platform disclosed by the invention, shore breeding is further developed to deep off lying sea breeding, so that the ecological environment bearing capacity of shore and land is alleviated, the platform is stable to ascend and descend, and in the using process, the platform is low in influence by waves.

The invention provides a two-stage rotary mechanism for a small electric manipulator, which comprises a manipulator, a wrist joint, a wrist joint driving motor, a paw driving motor, a first-stage rotary mechanism, a second-stage rotary mechanism, a paw support, a watertight socket and a watertight cable, wherein the watertight socket is installed at the rear part of the manipulator, the wrist joint driving motor is installed inside the manipulator; the first-stage rotary mechanism is installed at the front part of the mechanical arm; the paw driving motor is installed inside the first-stage rotary mechanism and a control cable of the paw driving motor passes through holes in the manipulator and the first-stage rotary mechanism; the wrist joint is connected with the first-stage rotary mechanism; the second-stage rotary mechanism is installed inside the wrist joint; and the paw support is installed at the end part of the wrist joint. In the two-stage rotary mechanism of the invention, wrist joint motion and paw motion are combined and two driving motors are packaged inside the manipulator in series, thereby reducing joint dimension, and the working depth of the manipulator is improved by means of the combination of Grameen circle sealing and angular contact bearing.

The invention relates to the technical field of agricultural machinery, in particular to a vibration digging shovel which is driven by a cam mechanism and suitable for harvesting long-rhizome crops. The vibration digging shovel comprises a frame and is characterized in that a vibration digging shovel body is hinged to the frame, a gearbox is mounted on the frame, the power of the gearbox is inputthrough a tractor gearbox power output shaft and then output through a power output crank shaft, the power output crank shaft transmits the power to a vibration screen swing rod and a chain transmission mechanism at the same time, the chain transmission mechanism transmits the power to the cam transmission mechanism, and the cam transmission mechanism transmits the power to the vibration digging shovel body to allow the vibration digging shovel body to move in a reciprocating manner. The vibration digging shovel has the advantages that the vibration digging shovel integrates multiple procedures such as vibration resistance reducing, vibration crushing, crop separation, soil loosening, soil screening and plowing; by the two-dimensional vibration with the advancing direction being 45 degreesand the travel being 10mm, the traction resistance of the vibration digging shovel is lowered effectively, and the operation depth and efficiency of the vibration digging shovel are increased.

The invention belongs to the field of sewage treatment, and relates to an improved aerating rotating brush device and method capable of improving aeration capacity and saving energy, in particular to an improved aerating device capable of treating sewage by carrying out aeration in a mechanical rotating mode and a method capable of improving aeration capacity and saving energy. The improved aerating device and method mainly solve the problem that the aeration capacity of an existing aerating rotating brush is not fully utilized and energy consumption is high. The improved aerating rotating brush device comprises a motor, a transmission device, couplings, a water baffle, a main shaft, rotating brush blades, bearing pedestals and a supporting structure. The method includes the steps of first, setting the rotation rate of the main shaft to be 40-70r / min and the immersion depth to be 15mm, and second, starting the motor. The improved aerating device and method are applied to the field of sewage treatment.

The invention belongs to the field of unmanned ocean robots and specifically relates to a steering gear of an unmanned ocean robot. The steering gear comprises a rudder bearing assembly, a rudder blade as well as a hydraulic cylinder support, a rear rotation shaft, a hydraulic cylinder, a front rotation shaft and a rudder handle located in a robot carrier, wherein the hydraulic cylinder support is installed in the robot carrier, and the hydraulic cylinder is connected to the hydraulic cylinder support by the rear rotation shaft; the rudder bearing assembly passes through a rudder bearing hole formed in the robot carrier and is installed on the robot carrier; and one end of the rudder handle is connected to a piston rod of the hydraulic cylinder by the front rotation shaft, the other end is connected to the end of a rudder shaft of the rudder bearing assembly, wherein the end is in the robot carrier, and the rudder blade is fixed and connected to the other end of the rudder shaft located outside the root carrier. The steering gear provided by the invention is designed according to motion theories of a planar second-level rod group; the structural design is compact, simple and highly reliable; and dual-way axial loads can be borne. According to the invention, the structure is simple and compact; overall installation and disassembly can be achieved; maintenance is easy; and the steering gear is applicable to unmanned ocean robots and other middle and large underwater robots.

The invention relates to the technical field of agricultural machinery, in particular to an intelligent harvesting system for long rhizome crops. The system reduces soil cutting resistance by enhancing two-dimensional vibration of a digging shovel; meanwhile, an intelligent control system is added to acquire a plurality of sensor signals in real time and adjust the vibration frequency of the digging shovel in real time so as to adapt to the tillage environment of different types of soil. The vibration digging shovel generates two-dimensional vibration under the pushing effect of a pneumatic excitation executor, the two-dimensional vibration effectively reduces the traction resistance of a harvester and simultaneously achieves a crushing effect on soil fed into the digging shovel, and thus convenience is provided for the subsequent separation of pesticide and the soil. The fed soil is separated from crops through vibration in a vibrating screen at the rear portion of the harvester.

The invention discloses a continuous oil pipe with a gradual changing wall thickness and a production method for the continuous oil pipe. The continuous oil pipe is provided with at least one section of pipe with the gradual changing wall thickness, a head part and a tail part of each pipe with the gradual changing wall thickness are respectively butted with a section of equal wall thickness pipe I and a section of equal wall thickness pipe II, outside diameters of the equal wall thickness pipe I, the pipe with the gradual changing wall thickness, and the equal wall thickness pipe II are same, the wall thickness of the pipe with the gradual changing wall thickness is gradually decreased from a head end to a tail end, an inside diameter of the head end of the pipe with the gradual changing wall thickness is same to that of the equal wall thickness pipe I, and the inside diameter of a tail end is same to that of the equal wall thickness pipe II. The continuous oil pipe is made of steel bands with a thickness gradually changing along a length direction, abutting joints of the steel bands are welded by two boards with equal wall thicknesses, and the mechanical property of each weld joint after a deformation heat treatment is matched with that of a base material, thus the wall thickness of the continuous oil pipe is enabled to be changed gradually in the length direction, a self-weight of the continuous oil pipe is decreased in the situation of a same length, the pulling force borne by the continuous oil pipe in a wellhead section is enabled to be reduced, and an operation depth and the operation safety of the continuous oil pipe are improved.

The invention relates to a continuous oil tube with a gradually changed wall thickness and a manufacturing method thereof; the continuous oil tube at least comprises a section of pipe I with the gradually changed wall thickness and a section of pipe II with the gradually changed wall thickness which are connected end to end; the first end of the pipe I with the gradually changed wall thickness is a connector section I with equal wall thickness, the middle part of the pipe I is a section I with the changed wall thickness, and the tail end of the pipe I is a connector section II with equal wall thickness; the first end of the pipe II with the gradually changed wall thickness is a connector section III with equal wall thickness, the middle part of the pipe II is a section II with the changed wall thickness, and the tail end of the pipe II is a connector section IV with equal wall thickness; the connector section II with equal wall thickness is butted with the connector section III with equal wall thickness, and the wall thickness of the connector section II with equal wall thickness is the same with that of the connector section III with equal wall thickness; and the wall thicknesses of the section I with the changed wall thickness and the section II with the changed wall thickness from the first ends to the tail ends are gradually reduced. According to the invention, the oil tube is made of a steel strip with the gradually changed thickness along a length direction, so that the wall thickness of the continuous oil tube is gradually changed continuously in the length direction, the self-weight of the continuous oil tube is reduced under equal length, the pulling force on the continuous oil tube in a wellhead section is reduced, and the operation depth of the continuous oil tube and the operation safety are improved.

The invention discloses a seabed multi-point static sounding device. The seabed multi-point static sounding device comprises an underwater heaving moving unit, a CPTu feeler lever assembly and a hydraulic propelling system, wherein the underwater heaving moving unit comprises a supporting frame, a guide frame and boat-type buoys, the guide frame is vertically fixed to the supporting frame, and the boat-type buoys are symmetrically arranged on the guide frame and used for providing heaving force; the CPTu feeler lever assembly is installed on the supporting frame and guided by the guide frame; and the hydraulic propelling system is used for providing penetration force for the CPTu feeler lever assembly. The CPTu sounding device can work at the seabed depth of 100m, the static penetration depth of a feeler lever can reach 30m, a detection station is autonomously and flexibly selected through an underwater heaving moving platform and in cooperation with a small floating tugboat on water, and testing of the soil mechanical property of seabed surface sediments of the station is completed.

A bicycle hub apparatus may include a hub body and a freewheel body, and a first driving ring, a second driving ring, and third driving ring are sequentially located between the hub body and the freewheel body. The second driving ring is coupled inside the first driving ring to rotate around a shaft of the hub body simultaneously. A second lateral surface of the second driving ring facing to the third driving ring has a plurality of first engaging teeth, and a plurality of second engaging teeth protruding from a first surface of the third driving ring which faces to the second driving ring is configured to engage with the first engaging teeth of the second driving ring. The number of the second engaging teeth is a multiple of the first engaging teeth, to improve the engagement between the first engaging teeth and the second engaging teeth.

The invention discloses a self-elevating pinion-and-rack offshore oil-and-gas exploitation structure device, and belongs to the technical field of ocean energy resources. The device comprises piles, alower platform and an upper platform. The lower platform comprises a multi-space three-trim cavity base plate and arc-shaped plates which are annularly and fixedly connected. The upper platform comprises a flat plate, guard railings, a wind power generation device, a solar power device, a life module, an operation platform, a plane take-off and landing platform and a signal tower. A pile foundation of each pile can move upwards or downwards relative to a cylindrical chamber. A two-way screw self-locking device is installed on the lower surface of an inner chamber of the lower platform. With the self-elevating pinion-and-rack offshore oil-and-gas exploitation structure device, the problem that the load is over high during transportation and installation, the platforms can be adjusted horizontally, the phenomenon that the pinion-and-rack mechanism and motors thereof are damaged because the load of the platforms is applied to a pinion-and-rack mechanism for a long time is avoided, the number of the motor is lessened, the cost of the motors is reduced, the requirements on model selection and the installation space of the motors are reduced, the space utilization ratio is high, the floor space is small, the operating depth is large, movement is flexible and stable to carry out, the safety is high, the device can adapt to different marine geologies, and the construction cost is low.

The invention provides a walking-semi-submersible amphibious engineering ship which comprises a ship body. A ship body slideway is formed below the ship body. A sliding mechanism is disposed between the ship body and the ship body slideway. The sliding mechanism controls the ship body to slide on the slideway. A ship body semi-submersible lower body is disposed below the ship body. The lower surface of the ship body is connected with the ship body semi-submersible lower body through a plurality of un-down telescoping mechanisms. A slideway semi-submersible lower body is disposed below the slideway, The lower surface of the slideway is connected with the slideway semi-submersible lower body through a plurality of un-down telescoping mechanisms. A depth measuring system is further disposed on the ship body. The walking-semi-submersible amphibious engineering ship can be used as a semi-submersible engineering ship in deep water and as a walking engineering ship which can walk on seabed mud surface in shallow water areas or beach areas, and accordingly working water depth of the ship is expanded, work range and purpose of the ship are expanded, the amphibious engineering ship is more suitable for developing oceanographic engineering, effective technical support is provided for offshore construction, and promising application prospect is achieved.

The invention discloses a buoyancy adjusting plunger pump device for a full-sea-depth submersible. The buoyancy adjusting plunger pump device comprises an input valve set, an output valve set, a compression-resistant cylinder body and a reciprocating driving piston mechanism. The compression-resistant cylinder body comprises an input insert-mounting hole, an output insert-mounting hole and a driving insert-mounting hole; the input insert-mounting hole and the output insert-mounting hole are located on the same axis, and the driving insert-mounting hole and the axis intersect vertically to forma T-shaped channel; inner threads are arranged in the three insert-mounting holes correspondingly; and the input valve set, the output valve set and the reciprocating driving piston mechanism are located in the input insert-mounting hole, the output insert-mounting hole and the driving insert-mounting hole of the compression-resistant cylinder body correspondingly and all fixed through the threads. The buoyancy adjusting plunger pump device can work at the full sea depth, a main movement structure bears external huge seawater pressure through a pressure-bearing part, reliable working of a system can be ensured, the device is simple, and the mechanical efficiency and volume efficiency are high.

The invention discloses an electric hand drill with a drill bit cooling function. The electric hand drill comprises a bottom cover. A battery is installed on the lower end face of the bottom cover. Abattery limiting plate is installed above the battery. A switch is installed above the battery limiting plate. A reverse rotation button is installed on the front end face of the switch. A shell is installed outside the switch. Cooling openings are formed in the front end face of the shell. A connection box is installed inside the cooling openings. A water tank is installed at one end of the connection box, and a motor shaft is installed at the other end of the connection box. A motor is installed outside the motor shaft. A buffer cushion is installed outside the motor. According to the electric hand drill, by arranging circulating water flow and blades outside a drill bit to conduct cooling, it is ensured that the temperature of the drill bit cannot be too high, and the temperature of water is controlled by the blades to a certain extent; and by additionally arranging the buffer cushion, the vibration feeling caused to the whole electric hand drill when the motor works is reduced, andthe use comfort degree is increased.

The invention discloses a crawling robot for offshore floating platform mooring chain detection and an offshore operation method of the crawling robot. The device is composed of a plurality of modules; each module frame mechanism is of an octagonal prism structure capable of being opened and closed, four faces in eight side faces are main faces, each main face is composed of a main frame, each main frame comprises two unit frames, the main frames are connected through a connecting frame, and the connecting frame with a twisting function is adopted at the position of a twisting structure; each main frame is provided with a moving wheel, the moving wheels on the opposite main frames are at the same height, the heights of the moving wheels on the adjacent main frames are different, and the two unit frames in the main frames can be telescopically adjusted; two opposite moving wheels form a moving module, a distance between the two wheels is adjusted through a clamping mechanism, and the robot is suitable for in-situ detection of mooring chains of various ocean floating platforms, can carry various sensors, functional equipment and the like, and has wide scientific application significance and commercial prospects.