292results about How to "Simple laying" patented technology

The invention relates to an automatic guided vehicle based on magnetic-nail map navigation. The automatic guided vehicle is composed of a vehicle-mounted sensor, an actuator, and a controller. The vehicle-mounted sensor consists of a magnetic ruler, an inertial navigation module, a speedometer, and an RFID reader. The actuator includes a steering system, a braking system and a power system. The guided vehicle is driven on a lane with a magnetic nail; the coordinate of the magnetic nail on the road is known and is stored into the controller; the controller uses the magnetic ruler to measure relative positions of the magnetic nail and the vehicle body on the lane, thereby realizing high-precision positioning of the vehicle. With the inertial navigation module and the speedometer, data fusion is carried out by combining the magnetic nail coordinate information; the controller can calculate an absolute position of the vehicle precisely and continuously; and the actuator is used for realizing high-precision positioning and autonomous driving. According to the invention, the automatic guided vehicle is suitable for various automatic workshops and logistics warehouses. With the vehicle, the manpower can be reduced effectively; and the workshop operation efficiency is improved. The automatic guided vehicle has advantages of high positioning accuracy, excellent control performance, low cost, high reliability, and low maintenance cost.

This utility model is a new interlocking structure for floor panel. The new interlocking structure for floor panel in accordance with the invention comprising floor panels; one panel edge having an upwardly curved flange, having at least one tooth, formed at it end and at least one hump and depression along its one top surface; the adjacent panel has a generally correspondingly shaped recess to receive the flange, the sectional configuration of tooth is trapezia. The floor panel made in this way, just because there is the interlocked gear shaped tongue on the vertical section of the tongue and groove connection. This interlocking increased the bearing capacity of floor panel from vertical acting force. And the abutting joint of panels is also improved obviously. It is useful and helpful to processing panel in vertical direction and laying precision of panel, as well as preventing the breakage of joint and distortion of floor panel.

The invention discloses a cooperative vehicle infrastructure-based curve speed warning method, which comprises the following steps: putting a road side unit at a curve, broadcasting out curve information periodically, and judging whether a vehicle heads for the curve or not in advance by a vehicle terminal according to the information of the vehicle and the received curve information; giving out the distance to the curve and the speed-limit prompt of the curve in advance if the vehicle heads for the curve; giving out the speed-limit prompt of the curve and detecting whether the vehicle is overspeed or not in real time if the condition that the vehicle drives into the curve is detected, and giving out overspeed warning if the vehicle is overspeed to remind a driver of driving at a safety speed; relieving the warning when the condition that the vehicle puts off the curve is detected. According to the method, the limiting speed of the curve can be given out in advance, and the condition that the vehicle drives into the curve and puts off the curve can be efficiently and reliably judged; written or audio warning is given out when the vehicle is overspeed, and therefore, a selectable simple scheme is provided for the auxiliary driving safety application of Internet of vehicles.

Disclosed in the invention is a fluoroplastic insulation light cable for aerospace. The cable is formed by conductive cores, a circular conductor braiding shielding layer, a fluoroplastic insulation layer, and an outer sheath layer. Silver-plated copper wire stranded conductors are extruded by silicone rubber insulation layers to form the conductive cores; and the three conductive cores are stranded to form a cable core. The gap of the cable core is filled with a flame-retardant filling rope; the circular conductor braiding shielding layer is arranged outside the cable core; and the outer sheath layer and the fluoroplastic insulation layer successively cover the circular conductor braiding shielding layer from the outside to inside. According to the scheme, the provided cable has advantages of simple structure design, and stable performance; and the performance requirement of the cable for aerospace can be met. The provided cable has characteristics of high temperature resistance, inflaming retarding, radiation prevention, flexibility, light weight, and easy laying.

The two-step underground pipe-driving construction process includes setting working well and accepting well on the two ends, between which the pipe is laid, for pipe driving construction, driving one guide steel pipe between the working well and the accepting well with a miniature remote-controlled guide pipe driving machine based on designed axis requirement, and subsequent reaming to shape the hole with a capstan reamer or an extruding reamer while driving the pipe one section by one section, and pushing out guide steel pipe with the capstan reamer or the extruding reamer to the accepting well for recovery.

The invention discloses a cuttage seedling method for honey suckles. The method mainly comprises the following steps: paving a black mulching film; performing rooting treatment on cuttage seedlings; after the cuttage seedlings treated by a rooting agent pass through the black mulching film, inserting the cuttage seedlings into soil; and covering a soil layer with the diameter of 50 to 60 cm and the thickness of 5 to 6 cm at the periphery of the cuttage seedlings. By the method, the survival rate of the cuttage seedlings of the honey suckles can be increased and can reach over 90 percent. According to the photosynthesis principle of crop growth, the black mulching film is paved, so growth of weeds can be inhibited and the weeding aim is fulfilled basically. Soil moisture can be maintained and the ground temperature can be increased, so that growth of the crops can be accelerated, the crops are ripe in advance and the economic benefit is increased. The mulching film is simple to pave; and the width of the mulching film is selected according to the distance between the field crops. After the mulching film is paved, soil covers the periphery of the cuttage seedlings, so that the cuttage seedlings are prevented from being burned due to overhigh reflecting temperature of the black film.

The invention discloses an aluminum alloy cable core and a method for preparing the aluminum alloy cable core. The cable core is composed of 0.06wt% of Si, 0.40-1.2wt% of Fe, 0.05wt% of Cu, 0.01-0.05wt% of Mg, 0.01-0.3wt% of RE, 0.05wt% of Zn, 0.04wt% of B and the rest of Al. According to the aluminum alloy cable core and the method for preparing the aluminum alloy cable core, rare earth resources in China are utilized; after rare earth elements are added to conductor materials, aluminum alloy conductors which are extremely competitive in conductivity, flexibility, bending property, tensile property, creep resistance and connecting stability and excellent in resistance to corrosion are prepared through the smelting process, the rod drawing process, the wire drawing process, the compressing process and the stranding process and special annealing treatment; after being detected and verified by authorities at home and abroad, the compensative performance of the aluminum alloy cable core is far beyond current industry standards at home and abroad; high-tech aluminum alloy cable products can be widely applied to fields like electric power, automobiles, traffics, mineral products, ships, chemical industries and military, and the advantages of the high-tech aluminum alloy cable products are more obvious when the high-tech aluminum alloy cable products are used in complex and severe engineering environments.

The invention relates to the field of transformer installation, in particular to a hydraulic ejecting, pushing and sliding installation method for a transformer. The hydraulic ejecting, pushing and sliding installation method is characterized by including the steps of firstly, conducting site acceptance on the transformer; secondly, leveling the site; thirdly, conducting initial alignment so that the center line of the transformer can correspond to the center line of a foundation; fourthly, arranging a jack below the transformer; fifthly, jacking up the transformer through the jack; sixthly, erecting a steel or wood framed bent; seventhly, laying two parallel steel rails; eighthly, arranging a hydraulic pushing and sliding machine and adjusting the hydraulic pushing and sliding machine in place; ninthly, enabling the whole transformer to slide; tenthly, detaching the hydraulic pushing and sliding machine, and jacking up the transformer through the jack; eleventhly, removing both the steel rails; twelfthly, installing the transformer, and completing the installation after the transformer is installed in place. Through the steps, auxiliary devices for the transformer can be easily laid, the overall operation is convenient and rapid, and meanwhile mechanical cost and organization cost can be saved.

The invention discloses a multi-function wireless access equipment and a wireless access method thereof, wherein the equipment comprises a voice gateway function unit, a data gateway and transmission interface unit, a power supply and equipment control unit and a multi-function wireless access unit. The voice gateway function unit is connected with the multi-function wireless access unit and the power supply and equipment control unit, and is connected with a remote PSTN switch by a transmission medium; the multi-function wireless access unit is connected with the voice gateway function unit, the power supply and equipment control unit and the data gateway and transmission interface unit; and the data gateway and transmission interface unit is connected with the multi-function wireless access unit and the power supply and equipment control unit and is connected with a broadband remote access server (BRAS), a macro network core-network and other wireless access networks through a transmission network. The multi-function wireless access equipment has the multi-function wireless access unit which can provide macro network wireless access network function, micro network function, wireless telephone function and wireless gateway function.

The invention discloses a spindle stacking robot. The spindle stacking robot comprises an X-axis ground rack, and a supporting board is mounted on the X-axis ground rack in a sliding mode. The supporting board is connected with a driving device, and the supporting board moves in the X direction along the X-axis ground rack under driving of the driving device. A vertical Z-axis module is fixed to the supporting board and provided with a cantilever, and the cantilever moves up and down under driving of the Z-axis module. A Y-axis module is fixed to the cantilever and provided with a vertical suspension board, and the suspension board moves in the Y direction along the Y-axis module under driving of the Y-axis module. A rotating device with an output shaft is fixed to the suspension board, the center line of the output shaft of the rotating device is parallel to the X axis, a grip is fixed to the output shaft of the rotating device, and the grip rotates in the plane perpendicular to the X axis under driving of the rotating device. Accordingly, the spindle stacking robot is simple in structure, fully automatic and convenient to use.

Covering element (10) for surfaces, comprising at least a support (11) made of synthetic material, which is at least partly covered by a finishing layer (12) of hide, leather, their by-products, fake hide, or fabric, natural or synthetic, attached on said support (11) by means of a glue (13).

The invention discloses a cable laying robot. The cable laying robot comprises a first top wall mechanism, a first fork shearing push mechanism, a passive type pseudo parallel steering mechanism, a second fork shearing push mechanism and a second top wall mechanism which are connected in sequence, wherein the first top wall mechanism and the second top wall mechanism comprise chuck bodies, top wall supports which are installed on the chuck bodies and can move in an extension mode relative to the radial directions of the chuck bodies and first driving mechanisms, a second driving mechanism used for driving the first fork shearing push mechanism to move in an extension mode relative to the first top wall mechanism is arranged on the first fork shearing push mechanism, the passive type pseudo parallel steering mechanism comprises two subdivision chassis which are arranged oppositely and a steering mechanism, the subdivision chassis are arranged outside a cable in a sleeved mode, and a third driving mechanism used for driving the second fork shearing push mechanism to move in an extension mode relative to the second top wall mechanism is arranged on the second fork shearing push mechanism. The cable laying robot can creep in various pipelines such as a horizontal pipeline, or a vertical pipeline or an inclined pipeline, laying of the cable is achieved, and the cable laying robot cannot be limited by the thickness and the length of the cable.

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 discloses a distributed fiber laying method, and the method comprises the steps: 1, determining the spatial resolution required by the monitoring; 2, calculating the side length of a network structure according to the spatial resolution determined at step 1; 3, carrying out the laying of lateral distributed fibers; 4, carrying out the laying of longitudinal distributed fibers; 5, enabling the ports of the lateral distributed fibers and longitudinal distributed fibers to be connected to an optical fiber sensing analyzer. The method provided by the invention is high in resolution.

The invention provides a device and a method for tuning echo wall micro-cavities. The device comprises an optical fiber. The echo wall micro-cavities which are positioned on a side of a fiber core are arranged in cladding of the optical fiber, graphene is laid at cavity openings of the echo wall micro-cavities and is connected with electrodes, and voltages are applied to the graphene by the electrodes, so that the echo wall micro-cavities can be tuned. The device and the method have the advantages that the echo wall micro-cavities are integrated in the optical fiber, the fiber core in the optical fiber is used as waveguide for exciting the echo wall micro-cavities, and accordingly the device is compact and stable in structure; distances between the echo wall micro-cavities and the waveguide for exciting the echo wall micro-cavities rarely change in tuning procedures, accordingly, the device and the method rarely affect quality factors of the echo wall micro-cavities, and the tuning accuracy of the echo wall micro-cavities can be improved; only input laser devices are required in the tuning procedures, extra laser devices can be omitted, and accordingly the device and the method are low in tuning cost; the graphene is extremely high in heat conductivity, heat generated by the graphene can be quickly transmitted to the echo wall micro-cavities, and accordingly the device and the method are high in tuning efficiency.

The invention discloses a method for reducing the number of array elements of a large-scale spherical surface array, and aims to provide a method capable of obtaining electrical performance equivalentto that of a full array and remarkably reducing the total number of the array elements of a spherical surface antenna array. According to the technical scheme, the method comprises: establishing a coordinate system, and constructing an antenna subarray according to the rule of half-wavelength uniform arrangement of antenna units in the antenna subarray; dividing sub-arrays along the pitching direction and the azimuth direction of the coordinate system, and constructing an initial full array; establishing a spherical cylindrical array antenna array model based on large-spacing array element arrangement, and constructing a new antenna subarray with large-spacing array element arrangement; and then, setting an activation angle domain and different incoming wave directions according to the array element spacing, and calculating the synthetic gain of the antenna array under each array element interval. The total array synthetic gain of the antenna is compensated by reasonably reducing thecurvature of the spherical surface and increasing the diameter of the spherical surface to a proper value, and the gain value and the sidelobe characteristic similar to those of a full-array array areobtained while the number of the array elements is reduced.

The invention discloses a system and a method of recognizing a tunnel entrance vehicle type based on an ARM. The system comprises a camera arranged at the tunnel entrance; a ground pressure sensor is buried on the ground in front of a camera vision field center; the ground pressure sensor and the camera are both connected with a processing unit; the processing unit comprises a processor; the processor is connected with the camera and the ground pressure sensor; the processor is also connected with an image recognition system, a wheelbase calculation system, a database, a sensor recognition system and a data input and output interface. A vehicle picture, the sensor compression time and the compression times are acquired through the camera and the ground pressure sensor; the vehicle axle number, the wheelbase and the vehicle dimension are calculated and obtained; in comparison with database regulation data, the tunnel entrance passing vehicle type information is recognized accurately; the vehicle type is recognized when two recognition methods are combined; the recognition rate is improved; the laying is simple and easy to execute; and all-weather vehicle recognition can be ensured to be continued.

The invention relates to a linear floor drain which can distinguish dry and wet areas of a washroom and can be interchanged between a same layer and a cross layer according to the application environment, and an installation method thereof. The linear floor drain provided by the invention comprises an elongated cover cap (1), a floor drain main body (2) and a height-adjustable fixed supporting structure, wherein the height-adjustable fixed supporting structure is used for fixedly supporting the floor drain main body (2), the floor drain main body (2) extends downwards so as to form a lower flanging (9), and the outside of the lower flanging (9) is detachably connected with a horizontal water draining adaptor for realizing same-layer water draining or a lower water draining adaptor for realizing cross-layer water draining. Because of adopting the structure above, the linear floor drain solves the problem of generality of floor drains in buildings with different water draining types, avoids the occurrence of dryout phenomenon of water seals, and has the advantage of large water discharge.

The invention discloses a seawater sucking method and a seawater conveying device and relates to the field of seawater utilization. The seawater conveying device comprises a total seawater pipe (10), wherein one end of the total seawater pipe extends downwards to a deep part of the sea, at least one atmosphere communicating pipe (5) directly communicated with the atmosphere is arranged on a near-coast part of the total seawater pipe (10), a communication port of the atmosphere communicating pipe is lower than the lowest water level (2), an upper port of the atmosphere communicating pipe (5) is higher than the highest water level (3), a port (in a low level impounding reservoir (15)) of the total seawater pipe (10) is lower than the lowest water level (2), and a breathable cover (4) is installed on the upper port of the atmosphere communicating pipe (5); a gate valve (6), exhaust valves (14), a water injection valve (7), a gate valve (11), a coarse cleaner (1) and a fine cleaner (9) are installed on the total seawater pipe (10); the gate valve (6) and the gate valve (11) on the total seawater pipe (10) are both positioned below the lowest water level (2); and when the total seawater pipe (10) is filled with the seawater, the gate valve (11) is opened after the gate valve (6) is firstly opened in the process of high tide to realize that a large amount of low-temperature deep seawater with high quality can be introduced to the lands without energy consumption.