106results about How to "Small ups and downs" patented technology

The five-foot wall climbing robot as one small robot consists of frame, leg mechanism, driving mechanism and control system, and has five feet with adsorbing electromagnet. Its frame consists of front frame and back frame, the front frame is provided with straight motor and reducer combination and has on the output shaft two symmetric and synchronous sets of leg mechanisms and electromagnets, and the back frame is also provided with straight motor and reducer combination and has on the output shaft two symmetric and synchronous sets of leg mechanisms and electromagnets. The front frame and the back frame capable of rotating and floating are driven with a middle turning motor, and the leg mechanism is four-link rod mechanism. The robot is novel in structure, simple, small and smart, can crawl and turn on plane in any inclination and may be used in job in narrow space and dangerous area.

The method comprises: a) before infiltrating the tracer agent into the target layer, using a pulsed neutron dual-spectrum saturation logger to collect the well logging base value data; 2) infiltrating the tracer agent containing Gadolinium into stratum, and measuring the data after infiltration; 3) making the tracer to squeeze into the stratum, and measuring the data after squeezing; 4) processing and explaining the data.

A hole bottom energy gathering and dissipating device suitable for an inclined blast hole and capable of improving the blasting excavation flatness of a foundation surface. The hole bottom energy gathering and dissipating device comprises a polyvinyl chloride pipe (1). A gravel layer (7), an energy gathering and dissipating base (5), a kraft paper pad (4) and an energy gathering explosive layer (2) are arranged in the polyvinyl chloride pipe (1) in sequence from bottom to top. The pipe wall of the polyvinyl chloride pipe (1) is provided with energy gathering holes (3). A columnar groove (8) is formed in the center of the energy gathering explosive layer (2). The hole bottom energy gathering and dissipating device has the advantages that the device is arranged in the inclined blast hole, so that operation is fast and convenient, and a good blasting effect is guaranteed; since the advantages of energy gathering explosives and the advantages of the energy gathering and dissipating base are combined, the breaking effect on the bottom of the hole in the horizontal direction is better, damage to the bottom of the hole in the vertical direction is smaller, and the excavated foundation surface is smoother; all the structures are assembled into a whole through the polyvinyl chloride pipe with the energy gathering holes, so that transportation, arrangement during construction and batch production are facilitated, and the efficiency of blasting operation is improved; the excavated foundation surface is small in fluctuation, and the workload of manual excavation in a later period is reduced or even omitted.

The invention discloses an arc array of a transducer and a preparing method. The preparing method includes the following steps that a ceramic material is attached to a lining; the ceramic material is cut, and a ceramic particle array is obtained; the lining and the ceramic particle array are integrally bent; the bent ceramic particle array is poured; the lining is torn off; electrodes are laid on the ceramic particle array, and weighing control is conducted on the shape of the electrodes. The invention further discloses the arc array of the transducer. The arc array comprises the ceramic particle array with an arc section and the electrodes laid on the inner arc face and the outer arc face of the ceramic particle array. The ceramic particle array is composed of ceramic particles which are even in size and arranged side by side at equal intervals. The arc array of the transducer and the preparing method have the advantages that the preparing technology is simple, consistency is good, the impedance unimodality is good, fluctuations in wave beams are small, and the arc array is suitable for mass preparing.

Disclosed are a comb-shaped parking rack (1) for a parking garage and a suitable conveyance bogie (3), wherein the comb-shaped parking rack (1) comprises bases (1_1), rails (2) are provided on the ground between adjacent bases (1_1), longitudinal and transverse rails (2) intersect in a cross shape, a guide wheel channel (2_3) is provided at the intersection point of the longitudinal and transverse rails (2), an upper part of the bases (1_1) is provided with an overhanging comb beam (5_1), a side of the comb beam (5_1) is provided with comb teeth (6_1), and a space for the conveyance bogie (3) to travel and change direction is provided below the comb beam (5_1) and the comb teeth (6_1). A comb-shaped access frame (4) is provided on a vehicle frame (3_1) of the conveyance bogie (3) and the comb-shaped access frame (4) comprises a lifting column (4_1) and a comb beam (5_2) provided with comb teeth (6_2). The parking rack and the conveyance bogie can flexibly select a rational path to convey a vehicle so as to avoid obstacles, effectively reducing the time in accessing the vehicle, and increasing the vehicle storage density of a planar site.

The invention provides a double resonance double-excitation longitudinal vibration transducer, comprising a radiation head (1), a front crystal stack (2), intermediate mass (3), a back crystal stack (6), a tail load (7), a first insulation spacer, a second insulation spacer, a third insulation spacer, a forth insulation spacer, a nut (8) and a prestressed screw (12). By adjusting the series/parallel condition between each piezoelectric ceramic element in the front crystal stack (2) and the back crystal stack (6) and adjusting the connection mode of positive and negative electrodes of the front crystal stack (2) with the positive and the negative electrodes of the back crystal stack (6), a broadband emission transducer or a narrow-band high sensitivity emission transducer can be obtained respectively. The double resonance double-excitation longitudinal vibration transducer provided by the invention is characterized by low mechanical quality factor Qm, wide frequency band, less fluctuation and high sensitivity, and can be used as a broadband or narrow-band sound source in various detecting sonars, unmanned underwater vehicles or underwater communicators.

The invention provides a system composed of a hydrocarbon transfer buoy (2, 82) and a vessel (3, 95), the buoy having a length (H1,H2,H3) of at least 50 m and a length-to-width ratio of at least 10: 1, and comprising a submerged buoyancy member (5,6,7,85) having a length of at least 30 m and being situated at a depth of at least 10 m below water level, a support frame (10,96) being connected to the top of the buoyancy member and projecting above water level, the support frame carrying a support deck (11,91) and a mooring buoy connector (36, 99,102) for attaching to a mooring arm connector (21,100) of the vessel, which mooring arm connector is situated on an arm (4,92) projecting outboard from the vessel's hull, the buoy being anchored to the sea bed via anchor lines (23,24,83,84) which extend at an angle to a vertical direction, at least one hydrocarbon riser (12,13,93,94) being attached to the buoy, the support frame (10, 96) is an open support frame, the buoyancy member being connected to the sea bed via at least one substantially vertical taut tendon (31,32,33).

The invention discloses a preparation method of a polyvinyl alcohol composite film with embedded silver-wrapped nanoparticles, comprising the following steps: (1) preparing a polyvinyl alcohol-silver nitrate solution; (2)preparing a polyvinyl alcohol-silver nitrate film by using spin coating method or casting film method; and (3) irradiating the polyvinyl alcohol-silver nitrate film with ultraviolet light. The prepared composite film has the characteristics of uniform metal nanoparticle size distribution, controllable dimension, uniform shape, and uniform dispersion.

The invention discloses a transparent electrode and a preparing method of the transparent electrode. The transparent electrode and the preparing method of the transparent electrode are characterized in that the transparent electrode is formed by attaching a silver nanowire and a zinc oxide nanowire to a transparent substrate through a monolayer structure in a mixing and assembling mode. The silver nanowire and the zinc oxide nanowire are effectively compounded to form the monolayer structure. With the compound structure, the nanowire and the zinc oxide nanowire are connected on the two-dimensional dimension, and the performance of a compound film is superior to any film under the synergistic effect of the nanowire and the zinc oxide nanowire. The structure is mainly achieved through self nano assembly, the means of high-temperature solidifying, high-pressure forming and the like are combined, and the transparent electrode can be widely applied to transparent substrates such as glass substrates and PET substrates. Compared with a zinc oxide film and a silver nanowire single-structure film, the transparent electrode with the structure has the excellent performance of being smooth and even in surface, high in electric conductivity, good in light permeating performance, low in haze and the like, and the obtained transparent electrode can be widely applied to various circuit devices.

The invention belongs to the technical field of agricultural tillage whole machinery, particularly relating to a rotary-cutting and turning type ploughing in green device of green manure, which comprises a rotary soil-cutting unit and a soil discharging and green burying unit, wherein, the rotary soil-cutting unit and the soil discharging and green burying unit are mounted with a certain angle therebetween; the rotary soil-cutting unit comprises two side cutters and a transverse cutter which is Y-shaped and the included angle of which is not larger than 170 degrees; and the soil discharging and green burying unit comprises two lateral plates and a top roll. The device is suitable for the ploughing in green operation of milk vetch, hairy vetch, common vetch, white clover, red clover and other green manure crops. Particularly, the rotary soil-cutting unit can cut the soil on which green manure crops grow into rectangular furrow slices, the furrow slices are turned over by 180 degrees under the auxiliary action of the soil discharging and green burying unit, thereby the green manure crops are buried into the soil, the spreadability of ploughing in green of the green manure is good, thereby the use ratio of the green manure is greatly improved.

An optical information recording medium comprising a substrate and a phase-change recording layer including a crystal portion, which is brought into an unrecorded/erased state, and an amorphous portion, which is brought into a recorded state, for recording information by using recording marks whose shortest mark length is 0.5 mu m or less, is characterized in that erasure is effected by recrystalization substantially progressed by the growth of crystals from the boundary between the amorphous portion or a fusible portion and the peripheral crystal portion. The medium has a feature that high-speed overwrite is possible, the jitters at the mark edges are small, high-density variable mark-length recording is possible, and the stability of the marks with time is very good. An optical recording method suitable for such a medium is also disclosed.

In order to overcome the defect that the polarization of an input laser beam cannot be accurately adjusted and maintained by an existing beam expansion collimator, the invention provides a polarization-adjustable laser beam expansion collimator employing magnetic optical trap, optical trap and other structure cold atomic physical experiment systems. A polarization prism and a slide of which polarization axis can be independently and accurately adjusted are arranged in an optical path, the polarization state of a light beam input from a polarization-maintenance optical fiber can be accurately adjusted and maintained, the fluctuation of a laser power is reduced, the change of the polarization state of an emergent light beam caused by the polarization-maintenance optical fiber is eliminated,and the requirement of high-quality ultracold atom preparation is met.

The invention relates to a sidesway roller. The sidesway roller comprises a steel tube, two or more radial plates, idler wheels and spindle heads. The radial plates are sequentially welded to the steel tube side by side, and the distances between every two adjacent radial plates are equal, each radial plate is connected with two of the idler wheels, the idler wheels are welded to the two ends of the radial plates respectively, and the two spindle heads are welded to the two ends of the steel tube respectively. The sidesway roller for carrying an automobile has the advantages that loads are large and operation is stable, and the spindle heads at the two ends can be used for being connected with a bearing block or a transmission structure.

The invention belongs to the technical field of unmanned navigation equipment releasing and recovering devices, and provides an unmanned navigation equipment recovering and releasing system. The unmanned navigation equipment recovering and releasing system comprises a mother ship and a lifting platform, wherein a dock communicating with the water surface is formed on the side edge of the mother ship, and the lifting platform is arranged in the dock. The lifting platform can descend below the water surface and ascend above the water surface, the lifting platform is used for carrying unmanned navigation equipment and located in the dock, and therefore the lifting platform can be less influenced by stormy waves outside the mother ship, the shaking and fluctuating of the lifting platform can be reduced, and the collision risk between the unmanned navigation equipment and the lifting platform due to shaking is lower; and thus, the recovering and releasing of the unmanned navigation equipment can be effectively realized, and the unmanned navigation equipment recovering and releasing system is particularly suitable for terrible ocean environments, is simple in operation and low in labor dependence and can ensure the safety of the unmanned navigation equipment and prevent the unmanned navigation equipment from damage.

The invention provides a flight path tracking device and radar, and relates to the unmanned plane defense technical field; the flight path tracking device and radar comprises a position gatherer, a recursive filter and a controller; the position gatherer obtains the first unmanned plane position information and a first matching state between a radar plot and the flight path, sends the first unmanned plane position information to the recursive filter, and sends the first matching state to the controller; the recursive filter carries out burr filtering for the first unmanned plane position information so as to obtain the first filter information, and sends the first filter information to the controller; the controller predicts the second unmanned plane position information according to the first filter information, adjusts the first matching state so as to obtain a second matching state, and fuses the second unmanned plane position information with the second matching state, thus obtaining the third unmanned plane position information, reducing orientation fluctuations, and accurately measuring the unmanned plane azimuth angles without being affected by different filtering coefficients.