41results about How to "Give full play to flexibility" patented technology

The present invention provides an air spring which improves buffer performance in air discharging through effectively performing elasticity of a stopper component. The air spring (1) is provided with the following components: an outer cylinder (11), a lower panel (12), a diagram (13), a rubber lower board (15), a built-in stopper component (16), and a stopper component metal part (17). A second opposing surface (12a) of the lower panel (12), which opposes the outer cylinder (11), is provided with a guiding part (12b). The guiding part (12b) is projected in the main load direction and opposes the stopper component metal part (17) in a direction that is vertical to the main load direction. At least one surface in a stopper component outer surface (17a) of the stopper component metal part (17), which opposes the guiding part (12b), and a guiding part inner surface (12c) of the guiding part (12b), which opposes the stopper component metal part (17), has reduced dynamic friction coefficient.

The invention discloses a multi-dimensional adjustable automobile steering operation simulation and test system and a visual control method thereof. The system comprises a simulated driving stage, a data acquisition and control system and an upper computer system, wherein the simulated driving stage is used for providing a hardware platform with adjustable layout for simulating steering operation, and simulating an automobile driving road sense to provide a real-time adjustable force feedback for steering operation; the data acquisition and control system is used for acquiring the steering angle and torque signals of a steering wheel in real time, and outputting motor control signals; and the upper computer system communicates with the data acquisition and control system in real time, and provides a three-dimensional virtual scene for simulating steering operation via a display device. By integrating software and hardware systems, the road sense of the real automobile steering wheel and the visual scene of real driving are synchronously simulated, and adjustable multi-dimensional experimental conditions including hardware layout, force feedback, driving sight and the like influencing the steering operation feeling are realized, so that an experimental platform is provided for steering operation simulation experiment researches.

The invention discloses a preparation method of mild reaction type aldehyde ketone resin. The mild reaction type aldehyde ketone resin is prepared by adding a quantitative superbase catalyst into mixed liquid of aldehyde and ketone compounds under the condition of stirring at normal temperature, wherein the reaction process is mild and stable, so the defect that the traditional furfuraldehyde acetone system is easy to implode is overcome. The invention also discloses an application of the mild reaction type aldehyde ketone resin to preparation of an aldehyde ketone resin modified epoxy grouting material. The prepared grouting material can completely exert the flexibility of the aldehyde ketone resin, solves the problem that epoxy resin has high brittleness, can further improve excellent mechanical properties, adhesive property, ageing resistance and corrosion resistance of the epoxy resin, and also has the characteristics of low toxicity, environmental friendliness and the like. In addition, according to the preparation method, the aldehyde ketone resin is prepared in advance and has higher viscosity and thixotropism when being used together with fillers, so the construction process is simple and the aldehyde ketone resin can be applied to concrete surface corrosion of basic facilities such as bridges and ports, restoration of cultural relic, water and seepage prevention, reinforcement and strengthening of buildings and the like.

The invention discloses a composite structure sealing plug for a pipe. The composite structure sealing plug comprises a rubber sealing part and a rubber end cover part manufactured as a whole; and multiple annular flanges matched with pipe ports are arranged on the outer peripheral wall of the rubber sealing part. The composite structure sealing plug further comprises metal skeletons for supporting the rubber sealing part and the rubber end cover parts; the metal skeletons are positioned in the rubber sealing part and the rubber end cover part; the left end of the rubber sealing part and the right end of the rubber end cover part are both inwards recessed to form grooves; annular grooves are formed in the connected end surfaces of the rubber end cover part and the rubber sealing part; the rubber end cover part is connected with a metal chain connecting ring; multiple annular projections are arranged on the metal skeletons on the right sides of the annular flanges; annular mounting grooves for placing rubber sealing rings are formed between the adjacent annular projections; and the rubber sealing rings are in interference fit with the annular mounting grooves in the radial direction. Under the condition of satisfying the sealing performance, the composite structure sealing plug can effectively save the use level of materials to prevent wear and scratch of the inner wall of the pipe, and is convenient for installation and disassembly and longer in service life.

A hose having both excellent flexibility and shape retainability and advantageous in construction efficiency and cost efficiency. The hose comprises hard synthetic resin reinforcement material (2) spirally fed and having, on both sides of the top part (2D) thereof in the tube axial direction, receiving surfaces (2a) and (2b) positioned on the radial inner side toward the end part thereof and a soft synthetic resin hose body for covering the spirally fed reinforcement materials (2). The reinforcement materials (2) are spirally fed in the state of the top parts being positioned on the radial outer side thereof, a soft synthetic resin tape material (3) is fed to the fed reinforcement (2), and while covering parts (3A) projected in a generally arc shape to the center of the reinforcement materials (2) by melting the tape material or with an adhesive agent.

The invention provides a pile-net separating type large-scale shallow aquaculture purse net, which comprises a purse net, a floating ball and a pile. The top end of the purse net is connected with the pile; a floater is connected to the purse net; a fixed pile is arranged on the bottom part of the purse net; the floating ball is connected with the floater, and is connected with an anchor pile through an anchor line; an iron chain and a garbage collecting trough are connected to the bottom part of the purse net; an inclined hole is formed in the bottom part of the pile; an inclined inserting rod is arranged in the inclined hole; the top end of the purse net is connected with the pile through a pipe hoop, and the connecting part is higher than a high water level; a connecting pipe is arranged in the floating ball; a water quality monitor and a solar panel are arranged on the pile; a concentric eccentric hole is formed in the anchor pile; and a sandbag is further arranged on a connecting part of the purse net and a shoreside. An anchor pile structure is innovatively adopted on the bottom part of the purse net, and the iron chain tied on a netting on the bottom part of the purse net and the garbage collecting trough are tightly paved on a sea bed, so that the bottom part is ensured to be sealed, fishes are prevented from escaping, and part of marine litters can be collected. The pile-net separating type large-scale shallow aquaculture purse net provided by the invention can be used for monitoring culture water quality, is not easy to damage, can be used for collecting the marine litters, and is high in escape prevention.

The invention relates to a plastic green house booth which is formed by two layers of plastic film bubbles. Wherein, first preparing bubbles into four parts as suspension ceiling, side wall, ventilating window and door curtain; the ceiling is formed by sheet bubbles with bubble clamping tooth; the side wall has upper, left and right bubble clamping tooth, flat bottom, water groove at inner side to contain sand and water; the ventilating window is a brick smaller than ceiling; the door curtain is narrow side wall. The whole booth is supported by itself pressure and air and fixed by sand and water in water groove; the tooth can be meshed, to beam and skeleton. When suing, first aerating the bubble, then meshing the tooth, and making the side wall upright, and putting some sand and water into water groove. The invention also can be fixed by auxiliary cable when in windy day.

The invention provides a bus-type AGV photoelectric guide controller which comprises a control unit. The control unit is connected with a switch control unit, a photoelectric sensor unit, a RS232 interface unit and a RS485 serial port bus unit, the controller further comprises a power source unit which powers the control unit, the switch control unit, the photoelectric sensor unit, the RS232 interface unit and the RS485 serial port bus unit, the switch control unit is used for selecting navigation mode, the RS232 interface unit is used for communicating with an upper computer, and the RS485 serial port bus unit is used for be connected with a driving unit of an AGV. Photoelectric guiding is adopted, and feedback guiding is realized through a light-reflecting guide strip on the ground, so that compared with AGV guide modes available on the market, the bus-type AGV photoelectric guide controller is low in cost, convenient in wiring and high in openness; the controller can be connected with other field bus driving unit interfaces compatible with a RS485 bus, the controller can cooperate with the upper computer for distributed control through a RS232 interface and can perform independent autonomous control, and accurate path following guide is realized.

The invention relates to a directional hard-core wooden compounding floor. It is laminated of garnish panel, base plate and garnish backboard. The base plate is laminated of middle core plate and chipboard formed by heat pressing of quick-growing forest chip. Open connecting slot and/or connecting tongue on the lateral of middle core plate. The base plate is two or more chipboards with middle core plates between every tow of them. The chipboards are laminated of quick-growing forest chip at 80-90 kg/cm and 2 pressure. Their thickness are 8-18mm and direction of external fiber is parallel with that of garnish panel. The invention has high strength, favorable wooden flexibility, stable structure, uneasy distortion, good sound insulation, upper freedom for selecting materials, high-usage of wood, low producing cost, novelty mould and comfort foot feeling, which fills up the market blank and is the ideal materials and structures to replace the existing wooden floor and compounding floor.

The invention discloses an adjustable and controllable capability evaluation method for an integrated energy service provider under the background of an electricity market. The method builds, under the background of the electricity market, the comprehensive energy service provider model considering the thermal inertia of the flexible load and the heating load, and provides the regulation domain ofthe comprehensive energy service provider to describe the adjustable resource providing capability of the comprehensive energy service provider, so that the adjustable capability of the IESP is quantitatively evaluated, and the response capability of the IESP is brought into full play. And moreover, the regulation domain of the IESP is expanded by utilizing the thermal inertia of the flexible load and the building heating load, so that the operation flexibility of the IESP is improved.

The invention provides a power distribution network flexible resource optimization site selection method based on a three-phase power flow model. The method is characterized in that the method comprises the following steps: 1, building a three-phase coupling imbalance power flow model of a power distribution network through considering a multi-phase star connection mode and a triangular connectionmode of electrical equipment; 2, based on the three-phase coupling unbalanced power flow model, in combination with an optimal power flow problem, expressing an optimization site selection problem offlexible resources with a predetermined scale as a two-stage random mixed integer nonlinear programming problem; and 3, deducing a strict analysis boundary of the optimal power flow problem through monotonicity analysis of an optimal value of the optimal power flow problem, constructing a closed objective function for optimizing the site selection problem by utilizing the closed boundary, furtherconverting the optimized site selection problem into a deterministic integer problem, and solving the deterministic integer problem by matching a particle swarm algorithm with a meta-heuristic methodto obtain an optimal site selection.

The invention discloses a bending-resistant and anti-faking cable. The bending-resistant and anti-faking cable comprises a conductor which is spirally twisted by bare copper single wires, and an insulating layer, a braiding layer braided by the bare copper wires and a sheath which are arranged on the conductor in a coating manner from inside to outside in sequence, wherein the conductor is spirally twisted by seven bare copper single wires; the cable is provided with a bending section; and a bending-resistant thickened layer is arranged on the sheath on the exterior of the bending section. By adoption of the scheme of the invention, the flexibility of the copper material can be brought into full play while the various electrical performances are kept unchanged, so that the bending fatigue resistance is improved by multiple times; and by setting the bending-resistant thickened layer at the bending position (bending section) of the cable, the bending radius when the cable is bent can be improved, and damage to the wire caused by an overlarge bending angle can be lowered.